Compare commits
1
Commits
| Author | SHA1 | Date | |
|---|---|---|---|
 jschoubben
|
970652f1b9 |
@@ -1,161 +0,0 @@
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package main
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import (
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"context"
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"sort"
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"strings"
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"sync"
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"time"
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"git.novox.be/novox/mesh-sdk/go/buildstep"
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"git.novox.be/novox/mesh-sdk/go/delivery"
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"git.novox.be/novox/mesh-sdk/go/delivery/buildrun"
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"mesh-delivery-assigner/internal/assign"
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)
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// AssignerModule is the asker the assigner's compose asks name.
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const AssignerModule = "mesh-delivery-assigner"
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// composeAsks are the compose asks the assigner put on the Go build seat's check stream (novox/hq ADR 0482 clause 4,
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// issues 1622 and 1623), by what each composes: one ask per key, put once and followed by a watch of its step key until
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// it ends, which wakes a pass. No timer: an ask that waits in the stream waits (its backlog is the view's and the
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// watchman's to show). A restart forgets them and asks again; the build module keeps a composer built for a commit, so a
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// second ask builds nothing.
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type composeAsks struct {
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ctx context.Context
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asker buildrun.Asker
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wake func()
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logf func(string, ...any)
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now func() time.Time
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mu sync.Mutex
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asks map[string]*composeAsk
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}
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type composeAsk struct {
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id string
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cancel context.CancelFunc
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ran *assign.Ran
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}
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func newComposeAsks(ctx context.Context, asker buildrun.Asker, wake func(), logf func(string, ...any)) *composeAsks {
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return &composeAsks{ctx: ctx, asker: asker, wake: wake, logf: logf, now: time.Now, asks: map[string]*composeAsk{}}
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}
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// get is the end of the ask that composes key, or nil and its id while it runs. The first get of a key puts the ask.
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// A job its layout refuses ends at once, failed with why: never silent.
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func (a *composeAsks) get(key string, job delivery.ComposeJob) (*assign.Ran, string) {
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a.mu.Lock()
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defer a.mu.Unlock()
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if k, ok := a.asks[key]; ok {
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return k.ran, k.id
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}
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ask := delivery.StepAsk{ID: buildstep.NewID(), Kind: delivery.AskCheck, Language: delivery.AskGo, Asker: AssignerModule,
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At: a.now(), Compose: &job}
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ctx, cancel := context.WithCancel(a.ctx)
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k := &composeAsk{id: ask.ID, cancel: cancel}
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a.asks[key] = k
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if err := a.asker.Put(ctx, ask); err != nil {
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a.logf("the compose ask %s for %s could not be put: %v", ask.ID, key, err)
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k.ran = &assign.Ran{State: delivery.StepFailed, Reason: "the compose ask could not be put on the Go build seat: " + err.Error()}
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cancel()
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return k.ran, k.id
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}
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go func() {
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step, err := a.asker.Wait(ctx, ask)
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if ctx.Err() != nil {
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return
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}
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ran := assign.RanOf(step)
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if err != nil {
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ran = assign.Ran{State: delivery.StepFailed, Reason: "the compose ask's step could not be followed: " + err.Error()}
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}
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a.mu.Lock()
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k.ran = &ran
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a.mu.Unlock()
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a.wake()
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}()
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return nil, k.id
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}
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// sweep forgets, and stops following, every ask whose key no pass asked for this time: a candidate gone or moved on.
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func (a *composeAsks) sweep(seen map[string]bool) {
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a.mu.Lock()
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defer a.mu.Unlock()
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for key, k := range a.asks {
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if !seen[key] {
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k.cancel()
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delete(a.asks, key)
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}
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}
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}
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// composeAtHead is the composition of a group with a mesh-sdk member: the composer at its head and at each reader's
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// mesh-sdk, asked of the Go build seat, and the verdict once every ask ended; until then the verdict waits, naming the
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// asks. The keys it used are marked in seen.
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func (p *passer) composeAtHead(ctx context.Context, m assign.Mesh, ch assign.Change, seen map[string]bool, began time.Time) delivery.CompositionVerdict {
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waiting := func(words string) delivery.CompositionVerdict {
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return delivery.CompositionVerdict{Group: ch.Group, Heads: ch.Heads, State: delivery.CompositionWaits, Words: words}
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}
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head, err := assign.HeadJob(m, ch)
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if err != nil {
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return delivery.CompositionVerdict{Group: ch.Group, Heads: ch.Heads, State: delivery.CompositionFail, SDK: "mesh-sdk " + ch.SDKHead,
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Words: "the compose ask at the group's mesh-sdk head cannot be made: " + err.Error()}
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}
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var pending []string
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key := "head." + ch.Group + "." + ch.Heads + "." + ch.SDKHead
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seen[key] = true
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headRan, id := p.asks.get(key, head)
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if headRan == nil {
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pending = append(pending, "mesh-sdk "+ch.SDKHead+" (ask "+id+")")
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}
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var readers []assign.Reader
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var notJudged []string
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for _, module := range sortedNames(assign.ReaderModules) {
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repository := assign.ReaderModules[module]
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var commits []string
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member := false
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if h := ch.Members[repository]; h != "" {
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commits, member = []string{h}, true
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} else {
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commits = p.w.runningCommits(ctx, kvGetter(p.kvs[delivery.BuildsBucket]), module)
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}
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if len(commits) == 0 {
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notJudged = append(notJudged, "not judged whether "+module+" reads the group's manifests: no build of it is assigned with a "+
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"commit on record, and the group holds no member of "+repository)
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continue
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}
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for _, commit := range commits {
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job, err := assign.ReaderJob(ch, module, repository, commit)
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if err != nil {
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readers = append(readers, assign.Reader{Module: module, Commit: commit, Member: member,
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Ran: assign.Ran{State: delivery.StepFailed, Reason: err.Error()}})
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continue
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}
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rkey := "reader." + ch.Group + "." + ch.Heads + "." + module + "." + commit
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seen[rkey] = true
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ran, rid := p.asks.get(rkey, job)
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if ran == nil {
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pending = append(pending, module+" at "+commit+" (ask "+rid+")")
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continue
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}
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readers = append(readers, assign.Reader{Module: module, Commit: commit, Member: member, Ran: *ran})
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}
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}
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if len(pending) > 0 {
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return waiting("composing on the Go build seat with the mesh-sdk of " + strings.Join(pending, ", "))
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}
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v := assign.FromComposer(m, ch, *headRan, readers, time.Since(began))
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v.Warnings = append(v.Warnings, notJudged...)
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return v
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}
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func sortedNames(m map[string]string) []string {
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out := make([]string, 0, len(m))
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for k := range m {
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out = append(out, k)
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}
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sort.Strings(out)
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return out
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}
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-180
@@ -1,180 +0,0 @@
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//go:build integration
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package main
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import (
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"encoding/json"
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"errors"
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"strings"
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"sync"
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"testing"
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"time"
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"github.com/nats-io/nats.go/jetstream"
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"git.novox.be/novox/mesh-sdk/go/composer"
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"git.novox.be/novox/mesh-sdk/go/delivery"
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"git.novox.be/novox/mesh-sdk/go/provider"
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)
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// holder is a test holder of the Go build seat: it takes every ask from the seat's check worker, as mesh-build-go does,
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// and answers a compose ask by running mesh-sdk's composer over the request filled from the indexer's manifests (the
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// linked composer standing for the one the build module builds at the asked commit), writing its step on its node's key.
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type holder struct {
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mu sync.Mutex
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asks []delivery.StepAsk
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}
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func (h *holder) taken() []delivery.StepAsk {
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h.mu.Lock()
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defer h.mu.Unlock()
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return append([]delivery.StepAsk(nil), h.asks...)
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}
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func (b *bed) hold(t *testing.T) *holder {
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t.Helper()
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seat, _ := delivery.AskStream(delivery.AskGo)
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worker, _ := delivery.AskWorker(delivery.AskGo, delivery.AskCheck)
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subject, _ := delivery.AskSubject(delivery.AskGo, delivery.AskCheck)
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cons, err := b.js.CreateOrUpdateConsumer(b.ctx, seat, jetstream.ConsumerConfig{Durable: worker, FilterSubject: subject, AckPolicy: jetstream.AckExplicitPolicy})
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if err != nil {
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t.Fatal(err)
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}
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steps := b.buckets[delivery.StepsBucket(goBuildModule)]
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h := &holder{}
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cc, err := cons.Consume(func(m jetstream.Msg) {
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a, err := delivery.DecodeStepAsk(m.Data())
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if err != nil || a.Compose == nil {
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t.Errorf("the seat was put an ask that is not a compose: %v %s", err, m.Data())
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m.Ack()
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return
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}
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h.mu.Lock()
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h.asks = append(h.asks, a)
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h.mu.Unlock()
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req, err := composer.Decode(a.Compose.Request)
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if err == nil {
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err = composer.Fill(&req, func(digest string) ([]byte, error) {
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key, _ := delivery.ManifestsKey(digest)
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e, err := b.buckets[delivery.ManifestsBucket].Get(b.ctx, key)
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if err != nil {
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return nil, err
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}
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man, err := delivery.DecodeManifest(e.Value())
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return []byte(man.JSON), err
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})
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}
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step := delivery.Step{ID: a.ID, Tool: "compose", Node: "ace", State: delivery.StepPassed, Started: time.Now().UTC(), Ended: time.Now().UTC()}
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if err != nil {
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step.State, step.Reason = delivery.StepFailed, err.Error()
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} else if v, err := composer.Run(req); err != nil {
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step.State, step.Reason = delivery.StepFailed, err.Error()
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} else {
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vr, _ := json.Marshal(v)
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step.Result, _ = json.Marshal(delivery.ComposeAnswer{Built: true, Key: "composer-0123456789abcdef", Verdict: vr})
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}
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raw, err := delivery.EncodeStep(step)
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if err != nil {
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t.Errorf("the step cannot be written: %v", err)
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}
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key, _ := delivery.AskStepKey("ace", a.ID)
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if _, err := steps.Put(b.ctx, key, raw); err != nil {
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t.Errorf("the step %s: %v", key, err)
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}
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m.Ack()
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})
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if err != nil {
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t.Fatal(err)
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}
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t.Cleanup(cc.Stop)
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return h
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}
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// 1622/AC1-AC3 and 1623 on the bus: started whole, the assigner composes a group holding a mesh-sdk pull request by
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// asking the Go build seat for the composer at the member's head, and for the composer at the mesh-sdk the running
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// controller pins; it waits naming the asks while they run, writes the verdict from their answers naming the mesh-sdk the
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// head's composer was built with, and asks nothing more on a later pass of the same heads.
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func TestAGroupWithAnSDKMemberIsComposedByTheComposerAtItsHead(t *testing.T) {
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b := startBed(t, "")
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trunk := b.manifest(t, "web", `{"module":"web","version":"1"}`)
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changed := b.manifest(t, "web", `{"module":"web","version":"2"}`)
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mod, err := delivery.EncodeModule(delivery.Module{FP2: delivery.SourcePrefix2 + strings.Repeat("a", 64), Manifest: trunk, Repository: "novox/web", Commit: strings.Repeat("1", 40), Path: delivery.RootPath})
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if err != nil {
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t.Fatal(err)
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}
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b.putJSON(t, delivery.ModulesBucket, "web", mod)
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b.putJSON(t, provider.AssignmentsBucket, "g14.web", []byte(`{"node":"g14","module":"web","build":"build-1"}`))
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running := strings.Repeat("3", 40)
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b.putJSON(t, provider.AssignmentsBucket, "novox.mesh-controller", []byte(`{"node":"novox","module":"mesh-controller","build":"c-1"}`))
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b.putJSON(t, delivery.BuildsBucket, delivery.BuildKey("mesh-controller", "c-1"), []byte(`{"id":"c-1","repository":"novox/mesh-controller","commit":"`+running+`"}`))
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sdkHead := strings.Repeat("4", 40)
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heads := []delivery.Head{{Repository: "novox/mesh-sdk", Number: 80, Head: sdkHead}, {Repository: "novox/web", Number: 7, Head: strings.Repeat("2", 40)}}
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hash, _ := delivery.HeadsHash(heads)
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pulls := []delivery.CandidatePull{{Head: heads[0]}, {Head: heads[1],
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Modules: []string{"web"}, Fps: map[string]delivery.CandidateModule{"web": {FP2: delivery.SourcePrefix2 + strings.Repeat("b", 64), Manifest: changed}}}}
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cand, err := delivery.EncodeCandidate(delivery.Candidate{Group: "feat/x", HeadsHash: hash, Pulls: pulls, FPSet: delivery.FingerprintSet(pulls)})
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if err != nil {
|
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t.Fatal(err)
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}
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ckey, _ := delivery.CandidatesKey("feat/x")
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b.putJSON(t, delivery.CandidatesBucket, ckey, cand)
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b.start(t)
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key, _ := delivery.CompositionKey("feat/x", hash)
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// No holder takes the asks yet: the composition waits, naming them.
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waits := b.verdict(t, key, func(v delivery.CompositionVerdict) bool { return v.State == delivery.CompositionWaits })
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if !strings.Contains(waits.Words, "mesh-sdk "+sdkHead) || !strings.Contains(waits.Words, "mesh-controller at "+running) {
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t.Fatalf("the waiting composition says %q, want the head's and the running controller's asks", waits.Words)
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}
|
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h := b.hold(t)
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v := b.verdict(t, key, func(v delivery.CompositionVerdict) bool { return v.State != delivery.CompositionWaits })
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if v.State != delivery.CompositionPass || len(v.Machines) != 1 || v.Machines[0] != "g14" || v.SDK == "" {
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t.Fatalf("composition = %+v, want a pass on g14", v)
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}
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asks := h.taken()
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if len(asks) != 2 {
|
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t.Fatalf("the seat was asked %d composes, want two (the head, the running controller)", len(asks))
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}
|
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byRepo := map[string]delivery.StepAsk{}
|
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for _, a := range asks {
|
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byRepo[a.Compose.Fetch["repository"].(string)] = a
|
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if a.Asker != AssignerModule || a.Kind != delivery.AskCheck || a.Language != delivery.AskGo {
|
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t.Errorf("ask = %+v", a)
|
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}
|
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}
|
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if a := byRepo["novox/mesh-sdk"]; a.Compose == nil || a.Compose.Fetch["commit"] != sdkHead || a.Compose.Dir != "go" {
|
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t.Errorf("the head's ask = %+v", a.Compose)
|
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}
|
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if a := byRepo["novox/mesh-controller"]; a.Compose == nil || a.Compose.Fetch["commit"] != running || a.Compose.Dir != delivery.RootPath {
|
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t.Errorf("the running controller's ask = %+v", a.Compose)
|
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}
|
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// A later pass of the same heads (woken by any change) asks nothing more.
|
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on, _ := delivery.EncodePresence(delivery.Presence{Online: true})
|
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b.putJSON(t, delivery.PresenceBucket, "ace", on)
|
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time.Sleep(500 * time.Millisecond)
|
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if n := len(h.taken()); n != 2 {
|
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t.Errorf("a later pass of the same heads asked again: %d asks", n)
|
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}
|
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}
|
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|
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// verdict waits for the composition under key to satisfy ok, and answers it.
|
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func (b *bed) verdict(t *testing.T, key string, ok func(delivery.CompositionVerdict) bool) delivery.CompositionVerdict {
|
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t.Helper()
|
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var last delivery.CompositionVerdict
|
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for deadline := time.Now().Add(10 * time.Second); time.Now().Before(deadline); time.Sleep(50 * time.Millisecond) {
|
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e, err := b.buckets[delivery.AssignerCompositionsBucket].Get(b.ctx, key)
|
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if errors.Is(err, jetstream.ErrKeyNotFound) {
|
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continue
|
||||
}
|
||||
if err != nil {
|
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t.Fatal(err)
|
||||
}
|
||||
if last, err = delivery.DecodeCompositionVerdict(e.Value()); err != nil {
|
||||
t.Fatal(err)
|
||||
}
|
||||
if ok(last) {
|
||||
return last
|
||||
}
|
||||
}
|
||||
t.Fatalf("no composition under %s as wanted after 10 s; last %+v", key, last)
|
||||
return last
|
||||
}
|
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@@ -5,7 +5,6 @@ package main
|
||||
import (
|
||||
"context"
|
||||
"encoding/json"
|
||||
"fmt"
|
||||
"io"
|
||||
"os"
|
||||
"path/filepath"
|
||||
@@ -18,13 +17,9 @@ import (
|
||||
"github.com/nats-io/nats.go/jetstream"
|
||||
|
||||
"git.novox.be/novox/mesh-sdk/go/announce"
|
||||
"git.novox.be/novox/mesh-sdk/go/asks"
|
||||
"git.novox.be/novox/mesh-sdk/go/catalogue"
|
||||
"git.novox.be/novox/mesh-sdk/go/delivery"
|
||||
"git.novox.be/novox/mesh-sdk/go/process"
|
||||
"git.novox.be/novox/mesh-sdk/go/provider"
|
||||
|
||||
"mesh-delivery-assigner/internal/assign"
|
||||
)
|
||||
|
||||
// bed is an embedded bus with JetStream, every bucket the assigner reads and keeps, and the stream the mesh's events
|
||||
@@ -78,30 +73,12 @@ func startBed(t *testing.T, leaveOut string) *bed {
|
||||
if _, err := js.CreateStream(ctx, jetstream.StreamConfig{Name: "EVENTS", Subjects: []string{"mesh.mod.*.event.>"}}); err != nil {
|
||||
t.Fatal(err)
|
||||
}
|
||||
// The operator-channel seat's stream of conditions, which the assigner says its conditions on.
|
||||
if _, err := js.CreateStream(ctx, jetstream.StreamConfig{Name: "CONDITIONS", Subjects: []string{"mesh.seat.operator-channel.accept.condition.>"}}); err != nil {
|
||||
t.Fatal(err)
|
||||
}
|
||||
// The Go build seat's work queue, as the broker derives it from the seat's accepted kinds (delivery.AskStream).
|
||||
seat, _ := delivery.AskStream(delivery.AskGo)
|
||||
if _, err := js.CreateStream(ctx, jetstream.StreamConfig{Name: seat, Subjects: []string{"mesh.seat.node-build-go.accept.>"},
|
||||
Retention: jetstream.WorkQueuePolicy}); err != nil {
|
||||
t.Fatal(err)
|
||||
}
|
||||
return b
|
||||
}
|
||||
|
||||
// start runs the program as the node does, through run with its environment and a broker file; it answers the
|
||||
// channel run's error arrives on.
|
||||
func (b *bed) start(t *testing.T) <-chan error {
|
||||
t.Helper()
|
||||
done, _ := b.startStoppable(t)
|
||||
return done
|
||||
}
|
||||
|
||||
// startStoppable is start, and answers the function that stops this one program (a replaced assigner is stopped, then
|
||||
// another started).
|
||||
func (b *bed) startStoppable(t *testing.T) (<-chan error, func()) {
|
||||
t.Helper()
|
||||
broker := filepath.Join(b.dir, "broker")
|
||||
cred, _ := json.Marshal(process.Account{URL: b.srv.ClientURL(), Node: "n1", Module: "mesh-delivery-assigner", User: "n1.mesh-delivery-assigner", Password: "pw"})
|
||||
@@ -111,23 +88,19 @@ func (b *bed) startStoppable(t *testing.T) (<-chan error, func()) {
|
||||
env := map[string]string{"MESH_BROKER_FILE": broker}
|
||||
ctx, stop := context.WithCancel(b.ctx)
|
||||
done := make(chan error, 1)
|
||||
go func() {
|
||||
done <- run(ctx, func(k string) string { return env[k] }, io.Discard)
|
||||
close(done) // a program that ended on its own (a refused start) is not waited for again at the cleanup
|
||||
}()
|
||||
stopped := func() {
|
||||
go func() { done <- run(ctx, func(k string) string { return env[k] }, io.Discard) }()
|
||||
t.Cleanup(func() {
|
||||
stop()
|
||||
select {
|
||||
case <-done:
|
||||
case <-time.After(10 * time.Second):
|
||||
}
|
||||
}
|
||||
t.Cleanup(stopped)
|
||||
return done, stopped
|
||||
})
|
||||
return done
|
||||
}
|
||||
|
||||
// 1297/B2b: started whole on its credential, the assigner says on the bus every state its manifest declares, each readable,
|
||||
// having opened every bucket it names. The states are read from module.json, so a state added there is expected here too.
|
||||
// 1297/B2b: started whole on its credential, the assigner says on the bus the four states it keeps, each readable,
|
||||
// having opened every bucket it names.
|
||||
func TestTheAssignerStartsAndSaysWhatItKeeps(t *testing.T) {
|
||||
b := startBed(t, "")
|
||||
done := b.start(t)
|
||||
@@ -151,21 +124,9 @@ func TestTheAssignerStartsAndSaysWhatItKeeps(t *testing.T) {
|
||||
}
|
||||
break
|
||||
}
|
||||
raw, err := os.ReadFile(filepath.Join("..", "..", "module.json"))
|
||||
if err != nil {
|
||||
t.Fatal(err)
|
||||
}
|
||||
m, err := catalogue.ParseManifest(raw)
|
||||
if err != nil {
|
||||
t.Fatal(err)
|
||||
}
|
||||
if said.Module != "mesh-delivery-assigner" || said.Node != "n1" || len(said.States) != len(m.State) {
|
||||
t.Fatalf("the assigner said %+v, want the %d states its manifest declares", said, len(m.State))
|
||||
}
|
||||
for _, s := range m.State {
|
||||
if !said.Readable(s.Name) {
|
||||
t.Errorf("the assigner said %+v: its state %s is not readable", said, s.Name)
|
||||
}
|
||||
if said.Module != "mesh-delivery-assigner" || said.Node != "n1" || len(said.States) != 4 || !said.Readable("asks") ||
|
||||
!said.Readable("wants") || !said.Readable("differences") || !said.Readable("compositions") {
|
||||
t.Fatalf("the assigner said %+v, want its four states, each readable", said)
|
||||
}
|
||||
}
|
||||
|
||||
@@ -182,42 +143,6 @@ func TestTheAssignerDoesNotStartWithoutABucketItReads(t *testing.T) {
|
||||
t.Errorf("without %s the assigner started", missing)
|
||||
}
|
||||
}
|
||||
// ADR 0546: without the puts' bucket it starts all the same, and once the bucket is made (by the controller at its start,
|
||||
// ADR 0201) a pass opens it, so a put is taken further without a restart.
|
||||
was := PutsReopenEvery
|
||||
PutsReopenEvery = 0
|
||||
defer func() { PutsReopenEvery = was }()
|
||||
b := startBed(t, delivery.AssignerPutsBucket)
|
||||
done := b.start(t)
|
||||
select {
|
||||
case err := <-done:
|
||||
t.Fatalf("without %s the assigner stopped: %v", delivery.AssignerPutsBucket, err)
|
||||
case <-time.After(2 * time.Second):
|
||||
}
|
||||
puts, err := b.js.CreateKeyValue(b.ctx, jetstream.KeyValueConfig{Bucket: delivery.AssignerPutsBucket, History: 5})
|
||||
if err != nil {
|
||||
t.Fatal(err)
|
||||
}
|
||||
pkey, _ := delivery.PutKey("n1", "web")
|
||||
asked := delivery.Put{FP: delivery.SourcePrefix2 + strings.Repeat("b", 64), Why: "a try", At: time.Now()}.Said(time.Now(), delivery.PutAsked, "asked")
|
||||
raw, _ := delivery.EncodePut(asked)
|
||||
if _, err := puts.Put(b.ctx, pkey, raw); err != nil {
|
||||
t.Fatal(err)
|
||||
}
|
||||
for deadline := time.Now().Add(15 * time.Second); ; time.Sleep(200 * time.Millisecond) {
|
||||
// A change of a bucket it watches starts a pass, which opens the puts' bucket.
|
||||
if _, err := b.buckets[delivery.PresenceBucket].Put(b.ctx, "n1", []byte(time.Now().String())); err != nil {
|
||||
t.Fatal(err)
|
||||
}
|
||||
if e, err := puts.Get(b.ctx, pkey); err == nil {
|
||||
if got, err := delivery.DecodePut(e.Value()); err == nil && got.Step == delivery.PutRefused && strings.Contains(got.Words, "not assigned") {
|
||||
break
|
||||
}
|
||||
}
|
||||
if time.Now().After(deadline) {
|
||||
t.Fatal("the put was not taken further once its bucket was made")
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
// putJSON writes a value into one of the bed's buckets.
|
||||
@@ -228,27 +153,6 @@ func (b *bed) putJSON(t *testing.T, bucket, key string, value []byte) {
|
||||
}
|
||||
}
|
||||
|
||||
// compose says the controller composed module for node at fp, with the digest d (a letter repeated) and the judgement of the
|
||||
// move to it, in mesh-controller_composed.
|
||||
func (b *bed) compose(t *testing.T, node, module, fp string, d byte, judgement delivery.Judgement) string {
|
||||
t.Helper()
|
||||
key, err := delivery.ComposedKey(node, module, fp)
|
||||
if err != nil {
|
||||
t.Fatal(err)
|
||||
}
|
||||
digest := "sha256:" + strings.Repeat(string(d), 64)
|
||||
cd := delivery.ComposedDigest{Digest: digest, Judgement: judgement}
|
||||
if judgement != delivery.JudgedNeither {
|
||||
cd.Against, cd.Words = "sha256:"+strings.Repeat("0", 64), "cannot be told"
|
||||
}
|
||||
v, err := delivery.EncodeComposedDigest(cd)
|
||||
if err != nil {
|
||||
t.Fatal(err)
|
||||
}
|
||||
b.putJSON(t, delivery.ControllerComposedBucket, key, v)
|
||||
return digest
|
||||
}
|
||||
|
||||
// manifest keeps a manifest in the indexer's bucket by its digest and answers the digest.
|
||||
func (b *bed) manifest(t *testing.T, module, body string) string {
|
||||
t.Helper()
|
||||
@@ -277,10 +181,8 @@ func TestAChangeIsComposedOnTheBus(t *testing.T) {
|
||||
b.putJSON(t, provider.AssignmentsBucket, "ace.other", []byte(`{"node":"ace","module":"other","build":"build-2"}`))
|
||||
heads := []delivery.Head{{Repository: "novox/web", Number: 7, Head: strings.Repeat("2", 40)}}
|
||||
hash, _ := delivery.HeadsHash(heads)
|
||||
// 1927/AC1: the candidate carries the fingerprint set the SDK computes, as the indexer writes it.
|
||||
pulls := []delivery.CandidatePull{{Head: heads[0],
|
||||
Modules: []string{"web"}, Fps: map[string]delivery.CandidateModule{"web": {FP2: delivery.SourcePrefix2 + strings.Repeat("b", 64), Manifest: changed}}}}
|
||||
cand, err := delivery.EncodeCandidate(delivery.Candidate{Group: "feat/x", HeadsHash: hash, Pulls: pulls, FPSet: delivery.FingerprintSet(pulls)})
|
||||
cand, err := delivery.EncodeCandidate(delivery.Candidate{Group: "feat/x", HeadsHash: hash, Pulls: []delivery.CandidatePull{{Head: heads[0],
|
||||
Modules: []string{"web"}, Fps: map[string]delivery.CandidateModule{"web": {FP2: delivery.SourcePrefix2 + strings.Repeat("b", 64), Manifest: changed}}}}})
|
||||
if err != nil {
|
||||
t.Fatal(err)
|
||||
}
|
||||
@@ -309,13 +211,6 @@ func TestAChangeIsComposedOnTheBus(t *testing.T) {
|
||||
if took := time.Since(began); took > 5*time.Second {
|
||||
t.Errorf("the composition took %s", took)
|
||||
}
|
||||
// 1622/AC3: a group without a mesh-sdk member builds no composer: no ask is put on the Go build seat.
|
||||
seat, _ := delivery.AskStream(delivery.AskGo)
|
||||
if st, err := b.js.Stream(b.ctx, seat); err != nil {
|
||||
t.Fatal(err)
|
||||
} else if info, err := st.Info(b.ctx); err != nil || info.State.Msgs != 0 {
|
||||
t.Errorf("a group without a mesh-sdk member put %d asks on the Go build seat (%v)", info.State.Msgs, err)
|
||||
}
|
||||
}
|
||||
|
||||
// get waits for a key of one of the bed's buckets and answers its value.
|
||||
@@ -330,13 +225,10 @@ func (b *bed) get(t *testing.T, bucket, key string) []byte {
|
||||
return nil
|
||||
}
|
||||
|
||||
// 1297/B4 on the bus, 1906/D5: the controller sends ace, g14 and shanks builds while the canary ace does not run F healthy yet.
|
||||
// Started whole, the assigner wants F on the canary and writes no difference at all: there is no send to compare with (ADR 0539
|
||||
// §8). 1945/AC19, AC21: shanks, which runs the older fingerprint (composed and granted) with no want, gets its first want at that
|
||||
// fingerprint, never at F; g14, which runs a build of the old form, gets none, so web is on neither list there and the assigner
|
||||
// raises the condition naming g14, web and the canary rule; once ace runs F healthy, g14's first want names F and the condition is
|
||||
// cleared.
|
||||
func TestWantsAreWrittenAndNoDifferenceIs(t *testing.T) {
|
||||
// 1297/B4, B5 on the bus: the controller sent F to g14 while the canary ace does not run F healthy yet. Started whole,
|
||||
// the assigner wants F on the canary, writes the difference on g14 explained by rule 3, and on ace one unexplained (the
|
||||
// controller sends ace the older fingerprint while ace wants F).
|
||||
func TestWantsAndTheirDifferencesOnTheBus(t *testing.T) {
|
||||
b := startBed(t, "")
|
||||
fNew, fOld := delivery.SourcePrefix2+strings.Repeat("b", 64), delivery.SourcePrefix2+strings.Repeat("a", 64)
|
||||
digest := b.manifest(t, "web", `{"module":"web","version":"1"}`)
|
||||
@@ -348,21 +240,19 @@ func TestWantsAreWrittenAndNoDifferenceIs(t *testing.T) {
|
||||
}
|
||||
bkey, _ := delivery.BuilderBuildKey("web", fNew)
|
||||
b.putJSON(t, delivery.BuilderBuildsBucket, bkey, built)
|
||||
for _, fp := range []string{fNew, fOld} {
|
||||
gkey, _ := delivery.ControllerGrantKey("web", fp)
|
||||
grant, _ := delivery.EncodeControllerGrant(delivery.ControllerGrant{})
|
||||
b.putJSON(t, delivery.ControllerGrantsBucket, gkey, grant)
|
||||
}
|
||||
runs := map[string]string{"ace": fOld, "g14": "build-9", "shanks": fOld}
|
||||
for _, node := range []string{"ace", "g14", "shanks"} {
|
||||
b.compose(t, node, "web", fNew, 'c', delivery.JudgedNeither)
|
||||
gkey, _ := delivery.ControllerGrantKey("web", fNew)
|
||||
grant, _ := delivery.EncodeControllerGrant(delivery.ControllerGrant{})
|
||||
b.putJSON(t, delivery.ControllerGrantsBucket, gkey, grant)
|
||||
for _, node := range []string{"ace", "g14"} {
|
||||
on, _ := delivery.EncodePresence(delivery.Presence{Online: true})
|
||||
b.putJSON(t, delivery.PresenceBucket, node, on)
|
||||
have, _ := delivery.EncodeHave(delivery.Have{FP: runs[node], Phase: delivery.PhaseRunning, Health: delivery.HealthOK})
|
||||
have, _ := delivery.EncodeHave(delivery.Have{FP: fOld, Phase: delivery.PhaseRunning, Health: delivery.HealthOK})
|
||||
b.putJSON(t, delivery.HaveBucket, node+".web", have)
|
||||
b.putJSON(t, provider.AssignmentsBucket, node+".web", []byte(`{"node":"`+node+`","module":"web","build":"b-`+node+`"}`))
|
||||
}
|
||||
b.compose(t, "shanks", "web", fOld, 'a', delivery.JudgedNeither)
|
||||
b.putJSON(t, provider.AssignmentsBucket, "ace.web", []byte(`{"node":"ace","module":"web","build":"b-8"}`))
|
||||
b.putJSON(t, provider.AssignmentsBucket, "g14.web", []byte(`{"node":"g14","module":"web","build":"b-9"}`))
|
||||
b.putJSON(t, delivery.BuildsBucket, delivery.BuildKey("web", "b-8"), []byte(`{"id":"b-8","repository":"novox/web","source-fingerprint":"`+fOld+`"}`))
|
||||
b.putJSON(t, delivery.BuildsBucket, delivery.BuildKey("web", "b-9"), []byte(`{"id":"b-9","repository":"novox/web","source-fingerprint":"`+fNew+`"}`))
|
||||
b.start(t)
|
||||
|
||||
wkey, _ := delivery.WantKey("ace", "web")
|
||||
@@ -370,41 +260,18 @@ func TestWantsAreWrittenAndNoDifferenceIs(t *testing.T) {
|
||||
if err != nil || want.FP != fNew {
|
||||
t.Fatalf("the canary ace's want = %+v, %v", want, err)
|
||||
}
|
||||
if w := b.wantNow(t, "shanks", "web", "shanks' first want at what it runs", func(w delivery.Want) bool { return w.FP != "" }); w.FP != fOld || w.Composed != "sha256:"+strings.Repeat("a", 64) || w.Newest != fNew {
|
||||
t.Errorf("shanks' want = %+v, want the fingerprint it runs naming its composition, held back from F", w)
|
||||
dkey, _ := delivery.DifferenceKey("g14", "web")
|
||||
d, err := delivery.DecodeDifference(b.get(t, delivery.AssignerDifferencesBucket, dkey))
|
||||
if err != nil || d.Rule != delivery.RuleCanary || d.Sent != fNew {
|
||||
t.Fatalf("g14's difference = %+v, %v; want rule 3", d, err)
|
||||
}
|
||||
var neither asks.Condition
|
||||
for deadline := time.Now().Add(10 * time.Second); time.Now().Before(deadline) && neither.Key == ""; time.Sleep(100 * time.Millisecond) {
|
||||
for k, c := range b.conditionsSaid(t) {
|
||||
if strings.Contains(k, ".neither.") && c.State == asks.StateRaised {
|
||||
neither = c
|
||||
}
|
||||
}
|
||||
}
|
||||
if neither.Subject.Machine != "g14" || neither.Subject.ID != "web" || neither.Severity != asks.SeverityUrgent || !strings.Contains(neither.Explanation, "canary") {
|
||||
t.Errorf("the condition of web on neither list on g14 = %+v", neither)
|
||||
}
|
||||
if keys, err := b.buckets[delivery.AssignerDifferencesBucket].Keys(b.ctx); err == nil && len(keys) != 0 {
|
||||
t.Errorf("differences were written: %v", keys)
|
||||
akey, _ := delivery.DifferenceKey("ace", "web")
|
||||
a, err := delivery.DecodeDifference(b.get(t, delivery.AssignerDifferencesBucket, akey))
|
||||
if err != nil || !a.Unexplained || a.Want != fNew || a.Sent != fOld {
|
||||
t.Fatalf("ace's difference = %+v, %v; want it unexplained", a, err)
|
||||
}
|
||||
if e, err := b.buckets[delivery.AssignerWantsBucket].Get(b.ctx, "want.g14.web"); err == nil {
|
||||
t.Errorf("g14, which runs an old-form build and is held back by the canary, was given a want: %s", e.Value())
|
||||
}
|
||||
|
||||
// 1945/AC21: once the canary ace runs F healthy, g14's first want names F by the rules as usual, and web leaves neither list
|
||||
// there by itself: the condition is cleared.
|
||||
healthyF, _ := delivery.EncodeHave(delivery.Have{FP: fNew, Phase: delivery.PhaseRunning, Health: delivery.HealthOK})
|
||||
b.putJSON(t, delivery.HaveBucket, "ace.web", healthyF)
|
||||
if w := b.wantNow(t, "g14", "web", "g14's first want at F once the canary runs it healthy", func(w delivery.Want) bool { return w.FP != "" }); w.FP != fNew || w.Composed != "sha256:"+strings.Repeat("c", 64) || w.Newest != "" {
|
||||
t.Errorf("g14's want = %+v, want F with its composition", w)
|
||||
}
|
||||
cleared := false
|
||||
for deadline := time.Now().Add(10 * time.Second); time.Now().Before(deadline) && !cleared; time.Sleep(100 * time.Millisecond) {
|
||||
c, ok := b.conditionsSaid(t)[neither.Key]
|
||||
cleared = ok && c.State == asks.StateCleared
|
||||
}
|
||||
if !cleared {
|
||||
t.Errorf("the condition of web on neither list on g14 was not cleared once g14 got its want")
|
||||
t.Errorf("g14, held back by the canary with no want before, was given one: %s", e.Value())
|
||||
}
|
||||
}
|
||||
|
||||
@@ -424,522 +291,12 @@ func TestAHeldFingerprintIsAskedAbout(t *testing.T) {
|
||||
b.putJSON(t, provider.AssignmentsBucket, "ace.web", []byte(`{"node":"ace","module":"web","build":"b-1"}`))
|
||||
b.start(t)
|
||||
hkey, _ := delivery.HeldKey("web", fNew)
|
||||
// 1906/H3: the held record names the machine and keeps the health, when and the node's words.
|
||||
if h, err := delivery.DecodeHeld(b.get(t, delivery.AssignerWantsBucket, hkey)); err != nil || h.Node != "ace" ||
|
||||
!strings.HasPrefix(h.Words, "health failed, phase running, seen at ") || !strings.HasSuffix(h.Words, ": connection refused") {
|
||||
if h, err := delivery.DecodeHeld(b.get(t, delivery.AssignerWantsBucket, hkey)); err != nil || h.Node != "ace" {
|
||||
t.Fatalf("held = %+v, %v", h, err)
|
||||
}
|
||||
akey, _ := delivery.HoldAskKey("web", fNew)
|
||||
a, err := delivery.DecodeAssignerAsk(akey, b.get(t, delivery.AssignerAsksBucket, akey))
|
||||
if err != nil || a.Asking <= 0 || a.Ask.ID != delivery.AskingID(akey, a.Asking) || len(a.Ask.Options) != 2 {
|
||||
if err != nil || a.Ask.ID != delivery.AskingID(akey, 0) || len(a.Ask.Options) != 2 {
|
||||
t.Fatalf("the ask = %+v, %v", a, err)
|
||||
}
|
||||
}
|
||||
|
||||
// conditionsSaid reads what the assigner said on the operator channel's subject for conditions, by condition key.
|
||||
func (b *bed) conditionsSaid(t *testing.T) map[string]asks.Condition {
|
||||
t.Helper()
|
||||
stream, err := b.js.Stream(b.ctx, "CONDITIONS")
|
||||
if err != nil {
|
||||
t.Fatal(err)
|
||||
}
|
||||
out := map[string]asks.Condition{}
|
||||
cons, err := stream.CreateOrUpdateConsumer(b.ctx, jetstream.ConsumerConfig{AckPolicy: jetstream.AckNonePolicy})
|
||||
if err != nil {
|
||||
t.Fatal(err)
|
||||
}
|
||||
for {
|
||||
batch, err := cons.FetchNoWait(100)
|
||||
if err != nil {
|
||||
t.Fatal(err)
|
||||
}
|
||||
n := 0
|
||||
for m := range batch.Messages() {
|
||||
n++
|
||||
c, err := asks.DecodeCondition(m.Data())
|
||||
if err != nil {
|
||||
t.Fatal(err)
|
||||
}
|
||||
out[c.Key] = c
|
||||
}
|
||||
if n == 0 {
|
||||
return out
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
// 1906/D3 (ADR 0539 §19), whole on the bus: a module holding data whose new fingerprint failed its health check on the
|
||||
// canary is held, not set back, and asked about (restore it, or leave it stopped); the condition names the module, the node
|
||||
// and the check's words.
|
||||
func TestAFailedDataModuleIsAskedToRestore(t *testing.T) {
|
||||
b := startBed(t, "")
|
||||
fNew := delivery.SourcePrefix2 + strings.Repeat("d", 64)
|
||||
digest := b.manifest(t, "mail", `{"module":"mail","version":"1","resources":[{"id":"data","type":"directory","path":"/var/lib/mail"}],"data":{"own":[{"id":"mail","path":"${dir:data}","class":"irreplaceable","backup":"copy"}]}}`)
|
||||
mod, _ := delivery.EncodeModule(delivery.Module{FP2: fNew, Manifest: digest, Repository: "novox/mail", Commit: strings.Repeat("1", 40), Path: delivery.RootPath})
|
||||
b.putJSON(t, delivery.ModulesBucket, "mail", mod)
|
||||
on, _ := delivery.EncodePresence(delivery.Presence{Online: true})
|
||||
b.putJSON(t, delivery.PresenceBucket, "ace", on)
|
||||
failed, _ := delivery.EncodeHave(delivery.Have{FP: fNew, Phase: delivery.PhaseRunning, Health: delivery.HealthFailed, Detail: "connection refused"})
|
||||
b.putJSON(t, delivery.HaveBucket, "ace.mail", failed)
|
||||
wantKey, _ := delivery.WantKey("ace", "mail")
|
||||
want, _ := delivery.EncodeWant(delivery.Want{FP: fNew, Composed: "sha256:" + strings.Repeat("c", 64)})
|
||||
b.putJSON(t, delivery.AssignerWantsBucket, wantKey, want)
|
||||
b.putJSON(t, provider.AssignmentsBucket, "ace.mail", []byte(`{"node":"ace","module":"mail","build":"b-1"}`))
|
||||
b.start(t)
|
||||
|
||||
akey, _ := delivery.RestoreAskKey("ace", "mail", fNew)
|
||||
a, err := delivery.DecodeAssignerAsk(akey, b.get(t, delivery.AssignerAsksBucket, akey))
|
||||
if err != nil || len(a.Ask.Options) != 2 || a.Ask.Options[0].ID != "restore" || a.Ask.Options[1].ID != "leave-stopped" {
|
||||
t.Fatalf("the restore ask = %+v, %v", a, err)
|
||||
}
|
||||
if w, err := delivery.DecodeWant(b.get(t, delivery.AssignerWantsBucket, wantKey)); err != nil || w.FP != fNew {
|
||||
t.Errorf("the data module was set back: want = %+v, %v", w, err)
|
||||
}
|
||||
key := ""
|
||||
for deadline := time.Now().Add(10 * time.Second); time.Now().Before(deadline) && key == ""; time.Sleep(100 * time.Millisecond) {
|
||||
for k, c := range b.conditionsSaid(t) {
|
||||
if c.State == asks.StateRaised && c.Subject.ID == "mail" && strings.Contains(k, ".held.") {
|
||||
if c.Subject.Machine != "ace" || !strings.Contains(c.Explanation, "connection refused") {
|
||||
t.Fatalf("the condition = %+v, want it to name ace and the check's words", c)
|
||||
}
|
||||
key = k
|
||||
}
|
||||
}
|
||||
}
|
||||
if key == "" {
|
||||
t.Fatal("no condition for the held fingerprint was said")
|
||||
}
|
||||
}
|
||||
|
||||
// 1906/D8 (scenario D of acceptance test 18, ADR 0539 §19), whole on the bus: the assigner is stopped while it writes the wants
|
||||
// of forty modules and another is started; every module's want is written, and each exactly once, by revision: nothing lost
|
||||
// and nothing written again.
|
||||
func TestTheAssignerReplacedResumesWithNothingLostOrRepeated(t *testing.T) {
|
||||
b := startBed(t, "")
|
||||
const modules = 40
|
||||
on, _ := delivery.EncodePresence(delivery.Presence{Online: true})
|
||||
b.putJSON(t, delivery.PresenceBucket, "ace", on)
|
||||
names := make([]string, modules)
|
||||
for i := range names {
|
||||
name := fmt.Sprintf("mod%02d", i)
|
||||
names[i] = name
|
||||
fp := delivery.SourcePrefix2 + strings.Repeat(string(rune('a'+i%6)), 63) + fmt.Sprintf("%x", i%16)
|
||||
digest := b.manifest(t, name, fmt.Sprintf(`{"module":%q,"version":"1"}`, name))
|
||||
mod, _ := delivery.EncodeModule(delivery.Module{FP2: fp, Manifest: digest, Repository: "novox/" + name, Commit: strings.Repeat("1", 40), Path: delivery.RootPath})
|
||||
b.putJSON(t, delivery.ModulesBucket, name, mod)
|
||||
built, err := delivery.EncodeBuilderBuild(delivery.BuilderBuild{State: delivery.BuildDone, By: "builder.novox.1", Step: "pushed", Manifest: digest})
|
||||
if err != nil {
|
||||
t.Fatal(err)
|
||||
}
|
||||
bkey, _ := delivery.BuilderBuildKey(name, fp)
|
||||
b.putJSON(t, delivery.BuilderBuildsBucket, bkey, built)
|
||||
gkey, _ := delivery.ControllerGrantKey(name, fp)
|
||||
grant, _ := delivery.EncodeControllerGrant(delivery.ControllerGrant{})
|
||||
b.putJSON(t, delivery.ControllerGrantsBucket, gkey, grant)
|
||||
b.compose(t, "ace", name, fp, 'c', delivery.JudgedNeither)
|
||||
b.putJSON(t, provider.AssignmentsBucket, "ace."+name, []byte(fmt.Sprintf(`{"node":"ace","module":%q,"build":"b-%d"}`, name, i)))
|
||||
}
|
||||
count := func() int {
|
||||
keys, err := b.buckets[delivery.AssignerWantsBucket].Keys(b.ctx)
|
||||
if err != nil {
|
||||
return 0
|
||||
}
|
||||
return len(keys)
|
||||
}
|
||||
_, stop := b.startStoppable(t)
|
||||
for deadline := time.Now().Add(20 * time.Second); count() == 0 && time.Now().Before(deadline); time.Sleep(time.Millisecond) {
|
||||
}
|
||||
stop() // replaced, wherever its pass had got to
|
||||
b.start(t)
|
||||
for deadline := time.Now().Add(30 * time.Second); count() < modules && time.Now().Before(deadline); time.Sleep(100 * time.Millisecond) {
|
||||
}
|
||||
time.Sleep(time.Second) // and no pass of the second writes any again
|
||||
for _, name := range names {
|
||||
key, _ := delivery.WantKey("ace", name)
|
||||
history, err := b.buckets[delivery.AssignerWantsBucket].History(b.ctx, key)
|
||||
if err != nil {
|
||||
t.Errorf("the want of %s was never written: %v", name, err)
|
||||
continue
|
||||
}
|
||||
if len(history) != 1 {
|
||||
t.Errorf("the want of %s was written %d times, want once", name, len(history))
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
// 1906/D2 (ADR 0539 §6), whole on the bus: a want waits for the composition of its module for the node, names its digest once it
|
||||
// appears, and a new revision of the composition at the same fingerprint is written as a new want; the node's own want
|
||||
// `want.<node>.node` is written once the node's composition exists, and again when its digest changes.
|
||||
func TestAWantWaitsForItsComposition(t *testing.T) {
|
||||
b := startBed(t, "")
|
||||
fNew := delivery.SourcePrefix2 + strings.Repeat("e", 64)
|
||||
digest := b.manifest(t, "web", `{"module":"web","version":"1"}`)
|
||||
mod, _ := delivery.EncodeModule(delivery.Module{FP2: fNew, Manifest: digest, Repository: "novox/web", Commit: strings.Repeat("1", 40), Path: delivery.RootPath})
|
||||
b.putJSON(t, delivery.ModulesBucket, "web", mod)
|
||||
built, _ := delivery.EncodeBuilderBuild(delivery.BuilderBuild{State: delivery.BuildDone, By: "builder.novox.1", Step: "pushed", Manifest: digest})
|
||||
bkey, _ := delivery.BuilderBuildKey("web", fNew)
|
||||
b.putJSON(t, delivery.BuilderBuildsBucket, bkey, built)
|
||||
gkey, _ := delivery.ControllerGrantKey("web", fNew)
|
||||
grant, _ := delivery.EncodeControllerGrant(delivery.ControllerGrant{})
|
||||
b.putJSON(t, delivery.ControllerGrantsBucket, gkey, grant)
|
||||
on, _ := delivery.EncodePresence(delivery.Presence{Online: true})
|
||||
b.putJSON(t, delivery.PresenceBucket, "ace", on)
|
||||
b.putJSON(t, provider.AssignmentsBucket, "ace.web", []byte(`{"node":"ace","module":"web","build":"b-1"}`))
|
||||
b.start(t)
|
||||
wkey, _ := delivery.WantKey("ace", "web")
|
||||
time.Sleep(time.Second)
|
||||
if e, err := b.buckets[delivery.AssignerWantsBucket].Get(b.ctx, wkey); err == nil {
|
||||
t.Fatalf("a want was written before the composition existed: %s", e.Value())
|
||||
}
|
||||
first := b.compose(t, "ace", "web", fNew, 'c', delivery.JudgedNeither)
|
||||
if w, err := delivery.DecodeWant(b.get(t, delivery.AssignerWantsBucket, wkey)); err != nil || w.FP != fNew || w.Composed != first {
|
||||
t.Fatalf("the want = %+v, %v; want F naming %s", w, err, first)
|
||||
}
|
||||
second := b.compose(t, "ace", "web", fNew, 'd', delivery.JudgedNeither)
|
||||
for deadline := time.Now().Add(10 * time.Second); time.Now().Before(deadline); time.Sleep(50 * time.Millisecond) {
|
||||
if e, err := b.buckets[delivery.AssignerWantsBucket].Get(b.ctx, wkey); err == nil {
|
||||
if w, err := delivery.DecodeWant(e.Value()); err == nil && w.Composed == second {
|
||||
break
|
||||
}
|
||||
}
|
||||
}
|
||||
if w, err := delivery.DecodeWant(b.get(t, delivery.AssignerWantsBucket, wkey)); err != nil || w.Composed != second {
|
||||
t.Fatalf("after a new revision at the same fingerprint the want = %+v, %v; want it naming %s", w, err, second)
|
||||
}
|
||||
// the node's own want
|
||||
nkey, _ := delivery.WantNodeKey("ace")
|
||||
if e, err := b.buckets[delivery.AssignerWantsBucket].Get(b.ctx, nkey); err == nil {
|
||||
t.Fatalf("the node's own want was written before its composition: %s", e.Value())
|
||||
}
|
||||
ownKey, _ := delivery.ComposedNodeKey("ace")
|
||||
own, _ := delivery.EncodeComposedDigest(delivery.ComposedDigest{Digest: "sha256:" + strings.Repeat("a", 64), Judgement: delivery.JudgedNeither})
|
||||
b.putJSON(t, delivery.ControllerComposedBucket, ownKey, own)
|
||||
if w, err := delivery.DecodeNodeWant(b.get(t, delivery.AssignerWantsBucket, nkey)); err != nil || w.Composed != "sha256:"+strings.Repeat("a", 64) {
|
||||
t.Fatalf("the node's own want = %+v, %v", w, err)
|
||||
}
|
||||
}
|
||||
|
||||
// fixture is a module web (or the manifest given) at fp on the node ace, which is online: built, granted and assigned.
|
||||
func (b *bed) fixture(t *testing.T, name, fp, manifest string) {
|
||||
t.Helper()
|
||||
digest := b.manifest(t, name, manifest)
|
||||
mod, _ := delivery.EncodeModule(delivery.Module{FP2: fp, Manifest: digest, Repository: "novox/" + name, Commit: strings.Repeat("1", 40), Path: delivery.RootPath})
|
||||
b.putJSON(t, delivery.ModulesBucket, name, mod)
|
||||
built, _ := delivery.EncodeBuilderBuild(delivery.BuilderBuild{State: delivery.BuildDone, By: "builder.novox.1", Step: "pushed", Manifest: digest})
|
||||
bkey, _ := delivery.BuilderBuildKey(name, fp)
|
||||
b.putJSON(t, delivery.BuilderBuildsBucket, bkey, built)
|
||||
gkey, _ := delivery.ControllerGrantKey(name, fp)
|
||||
grant, _ := delivery.EncodeControllerGrant(delivery.ControllerGrant{})
|
||||
b.putJSON(t, delivery.ControllerGrantsBucket, gkey, grant)
|
||||
on, _ := delivery.EncodePresence(delivery.Presence{Online: true})
|
||||
b.putJSON(t, delivery.PresenceBucket, "ace", on)
|
||||
b.putJSON(t, provider.AssignmentsBucket, "ace."+name, []byte(`{"node":"ace","module":"`+name+`","build":"b-1"}`))
|
||||
}
|
||||
|
||||
func (b *bed) putWant(t *testing.T, node, module string, w delivery.Want) {
|
||||
t.Helper()
|
||||
key, _ := delivery.WantKey(node, module)
|
||||
v, err := delivery.EncodeWant(w)
|
||||
if err != nil {
|
||||
t.Fatal(err)
|
||||
}
|
||||
b.putJSON(t, delivery.AssignerWantsBucket, key, v)
|
||||
}
|
||||
|
||||
// wantNow waits until the want of module on node satisfies ok and answers it.
|
||||
func (b *bed) wantNow(t *testing.T, node, module, what string, ok func(delivery.Want) bool) delivery.Want {
|
||||
t.Helper()
|
||||
key, _ := delivery.WantKey(node, module)
|
||||
var last delivery.Want
|
||||
for deadline := time.Now().Add(15 * time.Second); time.Now().Before(deadline); time.Sleep(50 * time.Millisecond) {
|
||||
if e, err := b.buckets[delivery.AssignerWantsBucket].Get(b.ctx, key); err == nil {
|
||||
if w, err := delivery.DecodeWant(e.Value()); err == nil {
|
||||
last = w
|
||||
if ok(w) {
|
||||
return w
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
t.Fatalf("never saw: %s; the want is %+v", what, last)
|
||||
return last
|
||||
}
|
||||
|
||||
// answer says the teller wrote the operator's answer to the ask that stands at key (its warrant names that asking's id).
|
||||
func (b *bed) answer(t *testing.T, key, option string) {
|
||||
t.Helper()
|
||||
a, err := delivery.DecodeAssignerAsk(key, b.get(t, delivery.AssignerAsksBucket, key))
|
||||
if err != nil {
|
||||
t.Fatal(err)
|
||||
}
|
||||
b.answerTo(t, key, option, a.Ask.ID)
|
||||
}
|
||||
|
||||
// answerTo is answer to the ask with this id (the router's warrant names it).
|
||||
func (b *bed) answerTo(t *testing.T, key, option, askID string) {
|
||||
t.Helper()
|
||||
v, err := delivery.EncodeAnswer(delivery.Answer{Option: option, Warrant: askID + "@2026-10-24T12:00:00Z", Words: "the operator"})
|
||||
if err != nil {
|
||||
t.Fatal(err)
|
||||
}
|
||||
b.putJSON(t, delivery.AnswersBucket, key, v)
|
||||
}
|
||||
|
||||
func (b *bed) hasKey(bucket, key string) bool {
|
||||
_, err := b.buckets[bucket].Get(b.ctx, key)
|
||||
return err == nil
|
||||
}
|
||||
|
||||
// 1906/D4 (ADR 0539 §19), whole on the bus: the operator's release of a held fingerprint writes its want again, by the rules,
|
||||
// and clears the condition.
|
||||
func TestAReleaseAnswerWritesTheWantAgain(t *testing.T) {
|
||||
b := startBed(t, "")
|
||||
fNew, fOld := delivery.SourcePrefix2+strings.Repeat("b", 64), delivery.SourcePrefix2+strings.Repeat("a", 64)
|
||||
b.fixture(t, "web", fNew, `{"module":"web","version":"1"}`)
|
||||
b.compose(t, "ace", "web", fNew, 'b', delivery.JudgedNeither)
|
||||
b.compose(t, "ace", "web", fOld, 'a', delivery.JudgedNeither)
|
||||
healthy, _ := delivery.EncodeHave(delivery.Have{FP: fOld, Phase: delivery.PhaseRunning, Health: delivery.HealthOK})
|
||||
b.putJSON(t, delivery.HaveBucket, "ace.web", healthy) // it ran the older fingerprint healthy before
|
||||
failed, _ := delivery.EncodeHave(delivery.Have{FP: fNew, Phase: delivery.PhaseRunning, Health: delivery.HealthFailed, Detail: "connection refused"})
|
||||
b.putJSON(t, delivery.HaveBucket, "ace.web", failed)
|
||||
b.putWant(t, "ace", "web", delivery.Want{FP: fNew, Composed: "sha256:" + strings.Repeat("b", 64)})
|
||||
b.start(t)
|
||||
w := b.wantNow(t, "ace", "web", "set back to the older fingerprint", func(w delivery.Want) bool { return w.FP == fOld })
|
||||
if w.Newest != fNew {
|
||||
t.Fatalf("the set-back want = %+v", w)
|
||||
}
|
||||
hold, _ := delivery.HoldAskKey("web", fNew)
|
||||
b.get(t, delivery.AssignerAsksBucket, hold)
|
||||
b.answer(t, hold, "release")
|
||||
w = b.wantNow(t, "ace", "web", "the held fingerprint's want written again", func(w delivery.Want) bool { return w.FP == fNew })
|
||||
if w.Composed != "sha256:"+strings.Repeat("b", 64) || w.Rule != 0 {
|
||||
t.Errorf("the want = %+v", w)
|
||||
}
|
||||
for deadline := time.Now().Add(10 * time.Second); time.Now().Before(deadline); time.Sleep(100 * time.Millisecond) {
|
||||
cleared := false
|
||||
for k, c := range b.conditionsSaid(t) {
|
||||
cleared = cleared || (c.Subject.ID == "web" && c.State == asks.StateCleared && strings.Contains(k, ".held."))
|
||||
}
|
||||
if cleared {
|
||||
return
|
||||
}
|
||||
}
|
||||
t.Error("the condition of the held fingerprint was not cleared")
|
||||
}
|
||||
|
||||
// askNow waits for the backup ask at key to be the one numbered asking and answers it.
|
||||
func (b *bed) askNow(t *testing.T, key string, asking int) delivery.AssignerAsk {
|
||||
t.Helper()
|
||||
for deadline := time.Now().Add(15 * time.Second); time.Now().Before(deadline); time.Sleep(50 * time.Millisecond) {
|
||||
if e, err := b.buckets[delivery.AssignerAsksBucket].Get(b.ctx, key); err == nil {
|
||||
if a, err := delivery.DecodeAssignerAsk(key, e.Value()); err == nil && a.Asking == asking {
|
||||
return a
|
||||
}
|
||||
}
|
||||
}
|
||||
t.Fatalf("the ask at %s never became asking %d", key, asking)
|
||||
return delivery.AssignerAsk{}
|
||||
}
|
||||
|
||||
// 1906/D4 (ADR 0539 §16), whole on the bus: a module held on a node because its backup failed is asked about, and the answer
|
||||
// is written into the node's want; an answer "again" followed by another failure is asked again, and its answer is another want
|
||||
// value, so the node retries; an old answer is never taken for a new revision at the same fingerprint.
|
||||
func TestABackupAnswerIsWrittenIntoTheNodesWant(t *testing.T) {
|
||||
b := startBed(t, "")
|
||||
fNew := delivery.SourcePrefix2 + strings.Repeat("b", 64)
|
||||
b.fixture(t, "web", fNew, `{"module":"web","version":"1"}`)
|
||||
first := b.compose(t, "ace", "web", fNew, 'b', delivery.JudgedNeither)
|
||||
b.putWant(t, "ace", "web", delivery.Want{FP: fNew, Composed: first})
|
||||
held, _ := delivery.EncodeHave(delivery.Have{FP: fNew, Phase: delivery.PhaseHeld, Health: delivery.HealthWaits, Detail: "no space left"})
|
||||
b.putJSON(t, delivery.HaveBucket, "ace.web", held)
|
||||
b.start(t)
|
||||
akey, _ := delivery.BackupAskKey("ace", "web", fNew)
|
||||
a := b.askNow(t, akey, 0)
|
||||
if !strings.Contains(a.Ask.Explanation, "no space left") || !strings.Contains(a.Ask.Explanation, first) {
|
||||
t.Fatalf("the backup ask = %+v", a)
|
||||
}
|
||||
// an answer to another ask is no answer to this one
|
||||
b.answerTo(t, akey, delivery.BackupSkip, "someone-else")
|
||||
time.Sleep(time.Second)
|
||||
if w := b.wantNow(t, "ace", "web", "the want", func(delivery.Want) bool { return true }); w.Backup != "" {
|
||||
t.Fatalf("an answer to another ask was taken: %+v", w)
|
||||
}
|
||||
b.answerTo(t, akey, delivery.BackupAgain, a.Ask.ID)
|
||||
w1 := b.wantNow(t, "ace", "web", "the answer in the want", func(w delivery.Want) bool { return w.Backup == delivery.BackupAgain })
|
||||
if w1.FP != fNew || w1.Composed != first {
|
||||
t.Errorf("the want = %+v", w1)
|
||||
}
|
||||
// the node retries and the backup fails again: a new have value, asked again under the next number
|
||||
again, _ := delivery.EncodeHave(delivery.Have{FP: fNew, Phase: delivery.PhaseHeld, Health: delivery.HealthWaits, Detail: "no space left, again"})
|
||||
b.putJSON(t, delivery.HaveBucket, "ace.web", again)
|
||||
a2 := b.askNow(t, akey, 2)
|
||||
if a2.Ask.ID == a.Ask.ID {
|
||||
t.Fatalf("asked again under the same id")
|
||||
}
|
||||
b.answerTo(t, akey, delivery.BackupAgain, a2.Ask.ID)
|
||||
w2 := b.wantNow(t, "ace", "web", "the second answer another want value", func(w delivery.Want) bool { return w.Backup == delivery.BackupAgain && w.Words != w1.Words })
|
||||
if w2.Words == w1.Words {
|
||||
t.Errorf("the second answer left the want as it was: %+v", w2)
|
||||
}
|
||||
// a new revision at the same fingerprint, whose backup fails as well, is asked, and the old answer is not taken for it
|
||||
second := b.compose(t, "ace", "web", fNew, 'c', delivery.JudgedNeither)
|
||||
b.putWant(t, "ace", "web", delivery.Want{FP: fNew, Composed: second})
|
||||
a3 := b.askNow(t, akey, 3)
|
||||
if !strings.Contains(a3.Ask.Explanation, second) {
|
||||
t.Errorf("the ask for the new revision = %+v", a3)
|
||||
}
|
||||
time.Sleep(time.Second)
|
||||
if w := b.wantNow(t, "ace", "web", "the want", func(delivery.Want) bool { return true }); w.Backup != "" {
|
||||
t.Errorf("the old answer was taken for the new revision: %+v", w)
|
||||
}
|
||||
}
|
||||
|
||||
const recorded = `{"module":"web","version":"1","upgrade":{"policy":"record","why":"a person takes each build"}}`
|
||||
|
||||
// 1906/D4 (ADR 0539 §14), whole on the bus: a move of a module of policy record waits for its ask's yes when judged to recreate
|
||||
// a container, to move data or not to be judgeable, at a new fingerprint and at a new revision of the same alike; one judged
|
||||
// neither is written at once.
|
||||
func TestARecordMoveWaitsForTheYesAndANeitherMoveDoesNot(t *testing.T) {
|
||||
b := startBed(t, "")
|
||||
fNew, fOld := delivery.SourcePrefix2+strings.Repeat("b", 64), delivery.SourcePrefix2+strings.Repeat("a", 64)
|
||||
b.fixture(t, "web", fNew, recorded)
|
||||
old := "sha256:" + strings.Repeat("a", 64)
|
||||
b.putWant(t, "ace", "web", delivery.Want{FP: fOld, Composed: old})
|
||||
nw := b.compose(t, "ace", "web", fNew, 'b', delivery.JudgedRecreates)
|
||||
b.start(t)
|
||||
akey, _ := delivery.RecordAskKey("ace", "web", nw)
|
||||
a, err := delivery.DecodeAssignerAsk(akey, b.get(t, delivery.AssignerAsksBucket, akey))
|
||||
if err != nil || !strings.Contains(a.Ask.Explanation, "recreates a container") {
|
||||
t.Fatalf("the record ask = %+v, %v", a, err)
|
||||
}
|
||||
time.Sleep(time.Second)
|
||||
if w := b.wantNow(t, "ace", "web", "the old want", func(delivery.Want) bool { return true }); w.FP != fOld {
|
||||
t.Fatalf("the move was written before the yes: %+v", w)
|
||||
}
|
||||
b.answer(t, akey, assign.OptionYes)
|
||||
b.wantNow(t, "ace", "web", "the move after the yes", func(w delivery.Want) bool { return w.FP == fNew && w.Composed == nw })
|
||||
// a new revision at the same fingerprint, judged to move data, waits as well
|
||||
rev := b.compose(t, "ace", "web", fNew, 'c', delivery.JudgedMovesData)
|
||||
rkey, _ := delivery.RecordAskKey("ace", "web", rev)
|
||||
b.get(t, delivery.AssignerAsksBucket, rkey)
|
||||
time.Sleep(time.Second)
|
||||
if w := b.wantNow(t, "ace", "web", "the want", func(delivery.Want) bool { return true }); w.Composed != nw {
|
||||
t.Fatalf("the revision was written before the yes: %+v", w)
|
||||
}
|
||||
// and a revision judged neither is written at once
|
||||
free := b.compose(t, "ace", "web", fNew, 'd', delivery.JudgedNeither)
|
||||
b.wantNow(t, "ace", "web", "a move judged neither written at once", func(w delivery.Want) bool { return w.Composed == free })
|
||||
}
|
||||
|
||||
// 1906/D4 (ADR 0539 §7, §15), whole on the bus: the bus's new fingerprint is not written, and a revision of its composition at the
|
||||
// fingerprint it runs that differs only in its user list is written at once, with the shape the controller gives it: judged
|
||||
// recreates (the file is mounted), policy record from the bus, user-list-only; no record ask is made.
|
||||
func TestAUserListRevisionOfTheBusIsWrittenAtOnce(t *testing.T) {
|
||||
b := startBed(t, "")
|
||||
fNew, fOld := delivery.SourcePrefix2+strings.Repeat("b", 64), delivery.SourcePrefix2+strings.Repeat("a", 64)
|
||||
b.fixture(t, "bus", fNew, `{"module":"bus","version":"1","provides":[{"name":"mesh-bus"}]}`)
|
||||
running, _ := delivery.EncodeHave(delivery.Have{FP: fOld, Phase: delivery.PhaseRunning, Health: delivery.HealthOK})
|
||||
b.putJSON(t, delivery.HaveBucket, "ace.bus", running)
|
||||
b.putWant(t, "ace", "bus", delivery.Want{FP: fOld, Composed: "sha256:" + strings.Repeat("a", 64)})
|
||||
b.compose(t, "ace", "bus", fNew, 'b', delivery.JudgedNeither)
|
||||
b.start(t)
|
||||
time.Sleep(time.Second)
|
||||
if w := b.wantNow(t, "ace", "bus", "the want", func(delivery.Want) bool { return true }); w.FP != fOld {
|
||||
t.Fatalf("the assigner moved the bus to a new fingerprint: %+v", w)
|
||||
}
|
||||
// the controller composes the bus at the fingerprint it runs with a new user list
|
||||
key, _ := delivery.ComposedKey("ace", "bus", fOld)
|
||||
free := "sha256:" + strings.Repeat("e", 64)
|
||||
v, err := delivery.EncodeComposedDigest(delivery.ComposedDigest{Digest: free, Judgement: delivery.JudgedRecreates, Against: "sha256:" + strings.Repeat("a", 64),
|
||||
Words: "the user list file is mounted", UserListOnly: true, Policy: delivery.PolicyRecord, PolicyFrom: "the bus"})
|
||||
if err != nil {
|
||||
t.Fatal(err)
|
||||
}
|
||||
b.putJSON(t, delivery.ControllerComposedBucket, key, v)
|
||||
w := b.wantNow(t, "ace", "bus", "the user-list revision written at once", func(w delivery.Want) bool { return w.Composed == free })
|
||||
if w.FP != fOld {
|
||||
t.Errorf("the want = %+v, want it at the fingerprint the bus runs", w)
|
||||
}
|
||||
rkey, _ := delivery.RecordAskKey("ace", "bus", free)
|
||||
if b.hasKey(delivery.AssignerAsksBucket, rkey) {
|
||||
t.Errorf("the user-list revision was asked")
|
||||
}
|
||||
}
|
||||
|
||||
// 1906/H2, whole on the bus: given a fingerprint held after one failed check, when every node that runs the module then runs
|
||||
// it healthy, the assigner lifts the hold by itself: the held record and its ask are taken away, the held condition is
|
||||
// cleared saying why, and the want stays at the fingerprint.
|
||||
func TestAHoldIsLiftedOnceEveryNodeRunsItHealthy(t *testing.T) {
|
||||
b := startBed(t, "")
|
||||
fNew := delivery.SourcePrefix2 + strings.Repeat("b", 64)
|
||||
b.fixture(t, "web", fNew, `{"module":"web","version":"1"}`)
|
||||
b.compose(t, "ace", "web", fNew, 'b', delivery.JudgedNeither)
|
||||
failed, _ := delivery.EncodeHave(delivery.Have{FP: fNew, Phase: delivery.PhaseRunning, Health: delivery.HealthFailed, Detail: "connection refused"})
|
||||
b.putJSON(t, delivery.HaveBucket, "ace.web", failed)
|
||||
b.putWant(t, "ace", "web", delivery.Want{FP: fNew, Composed: "sha256:" + strings.Repeat("b", 64)})
|
||||
b.start(t)
|
||||
hkey, _ := delivery.HeldKey("web", fNew)
|
||||
akey, _ := delivery.HoldAskKey("web", fNew)
|
||||
b.get(t, delivery.AssignerWantsBucket, hkey)
|
||||
b.get(t, delivery.AssignerAsksBucket, akey)
|
||||
healthy, _ := delivery.EncodeHave(delivery.Have{FP: fNew, Phase: delivery.PhaseRunning, Health: delivery.HealthOK})
|
||||
b.putJSON(t, delivery.HaveBucket, "ace.web", healthy)
|
||||
for deadline := time.Now().Add(15 * time.Second); time.Now().Before(deadline); time.Sleep(100 * time.Millisecond) {
|
||||
if b.hasKey(delivery.AssignerWantsBucket, hkey) || b.hasKey(delivery.AssignerAsksBucket, akey) {
|
||||
continue
|
||||
}
|
||||
for k, c := range b.conditionsSaid(t) {
|
||||
if c.Subject.ID == "web" && c.State == asks.StateCleared && strings.Contains(k, ".held.") && strings.Contains(c.Resolved, "lifted its hold by itself") {
|
||||
if w := b.wantNow(t, "ace", "web", "the want at the lifted fingerprint", func(w delivery.Want) bool { return w.FP == fNew }); w.Rule != 0 {
|
||||
t.Errorf("the want = %+v", w)
|
||||
}
|
||||
return
|
||||
}
|
||||
}
|
||||
}
|
||||
t.Fatalf("the hold was not lifted: held %v, ask %v", b.hasKey(delivery.AssignerWantsBucket, hkey), b.hasKey(delivery.AssignerAsksBucket, akey))
|
||||
}
|
||||
|
||||
// 1906/H2, whole on the bus: a hold lifted by itself and written again after the assigner was started again is asked under a
|
||||
// new id, so the teller raises it; the answer to the first hold does not carry over (1906/H4).
|
||||
func TestAHoldWrittenAgainAfterALiftAndARestartIsAskedAgain(t *testing.T) {
|
||||
b := startBed(t, "")
|
||||
fNew := delivery.SourcePrefix2 + strings.Repeat("b", 64)
|
||||
b.fixture(t, "web", fNew, `{"module":"web","version":"1"}`)
|
||||
b.compose(t, "ace", "web", fNew, 'b', delivery.JudgedNeither)
|
||||
failed, _ := delivery.EncodeHave(delivery.Have{FP: fNew, Phase: delivery.PhaseRunning, Health: delivery.HealthFailed, Detail: "connection refused"})
|
||||
healthy, _ := delivery.EncodeHave(delivery.Have{FP: fNew, Phase: delivery.PhaseRunning, Health: delivery.HealthOK})
|
||||
b.putJSON(t, delivery.HaveBucket, "ace.web", failed)
|
||||
b.putWant(t, "ace", "web", delivery.Want{FP: fNew, Composed: "sha256:" + strings.Repeat("b", 64)})
|
||||
_, stop := b.startStoppable(t)
|
||||
hkey, _ := delivery.HeldKey("web", fNew)
|
||||
akey, _ := delivery.HoldAskKey("web", fNew)
|
||||
first, err := delivery.DecodeAssignerAsk(akey, b.get(t, delivery.AssignerAsksBucket, akey))
|
||||
if err != nil {
|
||||
t.Fatal(err)
|
||||
}
|
||||
b.putJSON(t, delivery.HaveBucket, "ace.web", healthy)
|
||||
for deadline := time.Now().Add(15 * time.Second); b.hasKey(delivery.AssignerWantsBucket, hkey); time.Sleep(100 * time.Millisecond) {
|
||||
if time.Now().After(deadline) {
|
||||
t.Fatal("the hold was not lifted")
|
||||
}
|
||||
}
|
||||
stop()
|
||||
time.Sleep(1100 * time.Millisecond) // the next hold is written in another second
|
||||
b.answerTo(t, akey, "keep", first.Ask.ID) // an answer to the first hold, which the later hold must not take
|
||||
b.putJSON(t, delivery.HaveBucket, "ace.web", failed)
|
||||
b.start(t)
|
||||
again, err := delivery.DecodeAssignerAsk(akey, b.get(t, delivery.AssignerAsksBucket, akey))
|
||||
if err != nil {
|
||||
t.Fatal(err)
|
||||
}
|
||||
if again.Ask.ID == first.Ask.ID {
|
||||
t.Fatalf("the hold written again is asked under the first id %s", first.Ask.ID)
|
||||
}
|
||||
b.putJSON(t, delivery.HaveBucket, "ace.web", healthy)
|
||||
for deadline := time.Now().Add(15 * time.Second); b.hasKey(delivery.AssignerWantsBucket, hkey); time.Sleep(100 * time.Millisecond) {
|
||||
if time.Now().After(deadline) {
|
||||
t.Fatal("the stale \"keep\" of the first hold kept the second one held")
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
@@ -16,29 +16,17 @@ import (
|
||||
"os/signal"
|
||||
"strings"
|
||||
"syscall"
|
||||
"time"
|
||||
|
||||
"github.com/nats-io/nats.go"
|
||||
"github.com/nats-io/nats.go/jetstream"
|
||||
|
||||
"git.novox.be/novox/mesh-sdk/go/announce"
|
||||
"git.novox.be/novox/mesh-sdk/go/asks"
|
||||
"git.novox.be/novox/mesh-sdk/go/delivery"
|
||||
"git.novox.be/novox/mesh-sdk/go/delivery/buildrun"
|
||||
"git.novox.be/novox/mesh-sdk/go/process"
|
||||
"git.novox.be/novox/mesh-sdk/go/provider"
|
||||
)
|
||||
|
||||
func main() {
|
||||
if os.Getenv("MESH_BROKER_FILE") == "" {
|
||||
// Started by the tool runner, with no credential of its own: the put's tools (ADR 0546), served through the runtime,
|
||||
// since a process never serves (ADR 0436). The process the manifest runs names its credential.
|
||||
if err := serveTools(); err != nil {
|
||||
fmt.Fprintln(os.Stderr, "mesh-delivery-assigner:", err)
|
||||
os.Exit(1)
|
||||
}
|
||||
return
|
||||
}
|
||||
ctx, stop := signal.NotifyContext(context.Background(), os.Interrupt, syscall.SIGTERM)
|
||||
defer stop()
|
||||
if err := run(ctx, os.Getenv, os.Stderr); err != nil {
|
||||
@@ -53,53 +41,38 @@ var readBuckets = []string{
|
||||
provider.AssignmentsBucket,
|
||||
delivery.BuildsBucket,
|
||||
delivery.ControllerGrantsBucket,
|
||||
delivery.ControllerComposedBucket,
|
||||
delivery.AnswersBucket,
|
||||
delivery.BuilderBuildsBucket,
|
||||
delivery.CandidatesBucket,
|
||||
delivery.ManifestsBucket,
|
||||
delivery.ModulesBucket,
|
||||
delivery.PresenceBucket,
|
||||
delivery.HaveBucket,
|
||||
delivery.StepsBucket(goBuildModule),
|
||||
}
|
||||
|
||||
// goBuildModule is the Go build module, which takes the assigner's compose asks on its seat's check stream and writes
|
||||
// their steps in its steps state (novox/hq ADR 0482 clause 4).
|
||||
const goBuildModule = "mesh-build-go"
|
||||
|
||||
// ownBuckets are the assigner's own states, as its manifest declares them.
|
||||
var ownBuckets = []string{delivery.AssignerAsksBucket, delivery.AssignerCompositionsBucket, delivery.AssignerDifferencesBucket,
|
||||
delivery.AssignerPutsBucket, delivery.AssignerWantsBucket}
|
||||
var ownBuckets = []string{delivery.AssignerAsksBucket, delivery.AssignerCompositionsBucket, delivery.AssignerDifferencesBucket, delivery.AssignerWantsBucket}
|
||||
|
||||
// keptStates is what the assigner keeps and who may read it (ADR 0495 §2-§3): its wants by the watchman and the view
|
||||
// (and the node agent from release 6), its differences by the view, its compositions by the checker, its asks by the view
|
||||
// and the teller, its puts by whoever follows one (ADR 0546).
|
||||
// and the teller.
|
||||
var keptStates = []announce.State{
|
||||
{Name: "asks", Readable: true},
|
||||
{Name: "compositions", Readable: true},
|
||||
{Name: "differences", Readable: true},
|
||||
{Name: "puts", Readable: true},
|
||||
{Name: "wants", Readable: true},
|
||||
}
|
||||
|
||||
// buckets is every bucket the assigner opened, by name.
|
||||
type buckets map[string]jetstream.KeyValue
|
||||
|
||||
// open opens every bucket the assigner reads and writes; a bucket it cannot open stops the start, named with its grant (issue 1945),
|
||||
// since a pass without it would write wants from half the mesh. The puts' bucket is the exception: whatever keeps it from opening (it
|
||||
// does not exist yet, the credential is not granted it yet, the bus does not answer in time), the assigner writes wants
|
||||
// without it and takes no put further until it starts again (ADR 0546).
|
||||
func open(ctx context.Context, js process.BucketOpener, logf func(string, ...any)) (buckets, error) {
|
||||
// open opens every bucket the assigner reads and writes; a bucket it cannot open stops the start, named, since a pass
|
||||
// without it would write wants from half the mesh.
|
||||
func open(ctx context.Context, js jetstream.JetStream) (buckets, error) {
|
||||
out := buckets{}
|
||||
for _, name := range append(append([]string{}, readBuckets...), ownBuckets...) {
|
||||
kv, err := js.KeyValue(ctx, name)
|
||||
if name == delivery.AssignerPutsBucket && err != nil {
|
||||
logf("the bucket %s cannot be opened (%v): no put is taken further until the assigner starts again", name, err)
|
||||
continue
|
||||
}
|
||||
if err != nil {
|
||||
return nil, process.EssentialErr("assigner", name, "write a want from the whole mesh", err)
|
||||
return nil, fmt.Errorf("the bucket %s cannot be opened: %w", name, err)
|
||||
}
|
||||
out[name] = kv
|
||||
}
|
||||
@@ -136,7 +109,7 @@ func run(ctx context.Context, getenv func(string) string, logOut io.Writer) erro
|
||||
if err != nil {
|
||||
return err
|
||||
}
|
||||
kvs, err := open(ctx, js, logger.Printf)
|
||||
kvs, err := open(ctx, js)
|
||||
if err != nil {
|
||||
return err
|
||||
}
|
||||
@@ -151,21 +124,14 @@ func run(ctx context.Context, getenv func(string) string, logOut io.Writer) erro
|
||||
logger.Printf("what the assigner keeps could not be said on the bus, so its readers are not granted until it is: %v", err)
|
||||
}
|
||||
logger.Printf("started on the account %s, reading %d buckets", account.User, len(kvs))
|
||||
return follow(ctx, js, kvs, sayVia(ctx, js), emitting{said}, logger)
|
||||
return follow(ctx, kvs, logger)
|
||||
}
|
||||
|
||||
// emitting is the process connection as the puts' caller: its calls, and its events with no options.
|
||||
type emitting struct{ *process.Conn }
|
||||
|
||||
func (e emitting) Emit(eventType string, body any) error { return e.Conn.Emit(eventType, body) }
|
||||
|
||||
// watched are the buckets whose every value a pass reads; the manifests are read by digest when a pass needs one, and
|
||||
// watched only for keys, so a manifest that arrives wakes a composition that waits for it.
|
||||
var watched = []string{
|
||||
provider.AssignmentsBucket,
|
||||
delivery.ControllerGrantsBucket,
|
||||
delivery.ControllerComposedBucket,
|
||||
delivery.AnswersBucket,
|
||||
delivery.BuilderBuildsBucket,
|
||||
delivery.CandidatesBucket,
|
||||
delivery.ModulesBucket,
|
||||
@@ -179,7 +145,7 @@ var watched = []string{
|
||||
|
||||
// follow watches every bucket a pass reads and makes a pass at start, once every watch handed what stands, and after
|
||||
// each change; changes that come during a pass make one more. It returns when ctx ends or a watch ends.
|
||||
func follow(ctx context.Context, js jetstream.JetStream, kvs buckets, say func(asks.Condition) error, bus caller, logger *log.Logger) error {
|
||||
func follow(ctx context.Context, kvs buckets, logger *log.Logger) error {
|
||||
w := newWorld()
|
||||
dirty := make(chan struct{}, 1)
|
||||
wake := func() {
|
||||
@@ -188,15 +154,13 @@ func follow(ctx context.Context, js jetstream.JetStream, kvs buckets, say func(a
|
||||
default:
|
||||
}
|
||||
}
|
||||
errs := make(chan error, len(watched)+2)
|
||||
settled := make(chan struct{}, len(watched)+2)
|
||||
errs := make(chan error, len(watched)+1)
|
||||
settled := make(chan struct{}, len(watched)+1)
|
||||
watch := func(name string, opts ...jetstream.WatchOpt) error {
|
||||
kw, err := kvs[name].WatchAll(ctx, opts...)
|
||||
if err != nil {
|
||||
return fmt.Errorf("the bucket %s cannot be watched: %w", name, err)
|
||||
}
|
||||
// The puts' watch never stops the wants (ADR 0546): when it ends, the puts are no longer heard, said in the journal.
|
||||
optional := name == delivery.AssignerPutsBucket
|
||||
go func() {
|
||||
defer kw.Stop()
|
||||
for {
|
||||
@@ -206,17 +170,11 @@ func follow(ctx context.Context, js jetstream.JetStream, kvs buckets, say func(a
|
||||
return
|
||||
case e, ok := <-kw.Updates():
|
||||
if !ok {
|
||||
if optional {
|
||||
logger.Printf("the watch of %s ended: no put is taken further until the assigner starts again", name)
|
||||
return
|
||||
}
|
||||
errs <- fmt.Errorf("the watch of %s ended", name)
|
||||
return
|
||||
}
|
||||
if e == nil {
|
||||
if !optional { // the puts never gate the first pass, so never the wants (ADR 0546)
|
||||
settled <- struct{}{}
|
||||
}
|
||||
settled <- struct{}{}
|
||||
continue
|
||||
}
|
||||
var value []byte
|
||||
@@ -230,39 +188,6 @@ func follow(ctx context.Context, js jetstream.JetStream, kvs buckets, say func(a
|
||||
}()
|
||||
return nil
|
||||
}
|
||||
// The puts' watch is not waited for before the first pass: a watch of them that ends before it handed what stands only
|
||||
// stops the puts, never the wants.
|
||||
if kvs[delivery.AssignerPutsBucket] != nil {
|
||||
if err := watch(delivery.AssignerPutsBucket); err != nil {
|
||||
logger.Printf("%v: no put is taken further until it is opened again", err)
|
||||
delete(kvs, delivery.AssignerPutsBucket)
|
||||
}
|
||||
}
|
||||
// The puts' bucket is made by the controller from the manifest's states at its start (ADR 0201), and the assigner's
|
||||
// credential reads it once the bus's user list carries the grant: neither waits for the assigner. So while it is not open,
|
||||
// a pass started by a change opens it again, at most once a minute, and from then on the puts are watched and taken
|
||||
// further, without a restart.
|
||||
var triedPuts time.Time
|
||||
reopenPuts := func(p *passer) {
|
||||
if kvs[delivery.AssignerPutsBucket] != nil || time.Since(triedPuts) < PutsReopenEvery {
|
||||
return
|
||||
}
|
||||
triedPuts = time.Now()
|
||||
kv, err := js.KeyValue(ctx, delivery.AssignerPutsBucket)
|
||||
if err != nil {
|
||||
return
|
||||
}
|
||||
kvs[delivery.AssignerPutsBucket] = kv
|
||||
if err := watch(delivery.AssignerPutsBucket); err != nil {
|
||||
logger.Printf("%v: no put is taken further until it is opened again", err)
|
||||
delete(kvs, delivery.AssignerPutsBucket)
|
||||
return
|
||||
}
|
||||
if bus != nil {
|
||||
p.acts = newPutActs(bus, wake, logger.Printf)
|
||||
}
|
||||
logger.Printf("the bucket %s is open: puts are taken further", delivery.AssignerPutsBucket)
|
||||
}
|
||||
for _, name := range watched {
|
||||
var opts []jetstream.WatchOpt
|
||||
if name == delivery.HaveBucket {
|
||||
@@ -284,11 +209,7 @@ func follow(ctx context.Context, js jetstream.JetStream, kvs buckets, say func(a
|
||||
case <-settled:
|
||||
}
|
||||
}
|
||||
p := &passer{kvs: kvs, w: w, logf: logger.Printf, say: say, said: map[string]bool{}, answeredAt: map[string]uint64{}}
|
||||
p.asks = newComposeAsks(ctx, buildrun.Asker{Publisher: buildrun.JetStreamAsks{JS: js}, Waiter: buildrun.JetStreamAsks{JS: js}}, wake, logger.Printf)
|
||||
if bus != nil && kvs[delivery.AssignerPutsBucket] != nil {
|
||||
p.acts = newPutActs(bus, wake, logger.Printf)
|
||||
}
|
||||
p := &passer{kvs: kvs, w: w, logf: logger.Printf}
|
||||
wake()
|
||||
for {
|
||||
select {
|
||||
@@ -298,28 +219,7 @@ func follow(ctx context.Context, js jetstream.JetStream, kvs buckets, say func(a
|
||||
return err
|
||||
case <-settled:
|
||||
case <-dirty:
|
||||
reopenPuts(p)
|
||||
p.pass(ctx)
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
// PutsReopenEvery is how often, at most, a pass opens the puts' bucket again while it is not open.
|
||||
var PutsReopenEvery = time.Minute
|
||||
|
||||
// sayVia publishes a condition on the operator-channel seat's one subject for conditions, under the assigner's own name
|
||||
// (ADR 0437 clause 9).
|
||||
func sayVia(ctx context.Context, js jetstream.JetStream) func(asks.Condition) error {
|
||||
return func(c asks.Condition) error {
|
||||
subject, err := asks.ConditionSubject(delivery.AssignerModule)
|
||||
if err != nil {
|
||||
return err
|
||||
}
|
||||
data, err := asks.EncodeCondition(c)
|
||||
if err != nil {
|
||||
return err
|
||||
}
|
||||
_, err = js.Publish(ctx, subject, data)
|
||||
return err
|
||||
}
|
||||
}
|
||||
|
||||
@@ -2,23 +2,15 @@ package main
|
||||
|
||||
import (
|
||||
"context"
|
||||
"errors"
|
||||
"fmt"
|
||||
"io"
|
||||
"log"
|
||||
"os"
|
||||
"path/filepath"
|
||||
"reflect"
|
||||
"slices"
|
||||
"strings"
|
||||
"testing"
|
||||
"time"
|
||||
|
||||
"github.com/nats-io/nats.go/jetstream"
|
||||
|
||||
"git.novox.be/novox/mesh-sdk/go/asks"
|
||||
"git.novox.be/novox/mesh-sdk/go/catalogue"
|
||||
"git.novox.be/novox/mesh-sdk/go/delivery"
|
||||
)
|
||||
|
||||
// 1297/B2a: the buckets the program opens are exactly the manifest's reads and states, as the broker names them
|
||||
@@ -56,53 +48,6 @@ func TestOpensWhatItsManifestNames(t *testing.T) {
|
||||
if got, want := slices.Sorted(slices.Values(kept)), slices.Sorted(slices.Values(ownBuckets)); !reflect.DeepEqual(got, want) {
|
||||
t.Errorf("the program announces %v, keeps %v", got, want)
|
||||
}
|
||||
// ADR 0546: whatever keeps the puts' bucket from opening (not there, not granted, no answer in time), the assigner opens
|
||||
// the rest and starts, writing wants; any other bucket it cannot open stops the start, named.
|
||||
for _, c := range []struct {
|
||||
missing string
|
||||
err error
|
||||
starts bool
|
||||
}{
|
||||
{delivery.AssignerPutsBucket, jetstream.ErrBucketNotFound, true},
|
||||
{delivery.AssignerPutsBucket, errors.New("nats: permissions violation for subscription to \"$JS.API.STREAM.INFO.KV_mesh-delivery-assigner_puts\""), true},
|
||||
{delivery.AssignerPutsBucket, context.DeadlineExceeded, true},
|
||||
{delivery.AssignerWantsBucket, errors.New("nats: permissions violation"), false},
|
||||
} {
|
||||
var logged string
|
||||
kvs, err := open(context.Background(), refusingJS{missing: c.missing, err: c.err}, func(f string, a ...any) { logged = fmt.Sprintf(f, a...) })
|
||||
switch {
|
||||
case c.starts && (err != nil || kvs[c.missing] != nil || len(kvs) != len(readBuckets)+len(ownBuckets)-1 || !strings.Contains(logged, "no put is taken further")):
|
||||
t.Errorf("%s refused with %v: the start answered %v, %d buckets, logged %q", c.missing, c.err, err, len(kvs), logged)
|
||||
case !c.starts && (err == nil || !strings.Contains(err.Error(), "grant of "+c.missing)): // 1945: named with its grant
|
||||
t.Errorf("%s refused with %v: the start answered %v", c.missing, c.err, err)
|
||||
}
|
||||
}
|
||||
// And a watch of the puts that ends before it handed what stands (its subscription closed, its grant withdrawn) does not
|
||||
// keep the first pass from being made: the wants are written all the same.
|
||||
ctx, cancel := context.WithTimeout(context.Background(), 10*time.Second)
|
||||
defer cancel()
|
||||
wrote := make(chan string, 8)
|
||||
kvs := buckets{}
|
||||
for _, name := range append(append([]string{}, readBuckets...), ownBuckets...) {
|
||||
kvs[name] = &watchKV{memKV: &memKV{values: map[string][]byte{}}}
|
||||
}
|
||||
ckey, _ := delivery.ComposedNodeKey("ace")
|
||||
cd, err := delivery.EncodeComposedDigest(delivery.ComposedDigest{Digest: "sha256:" + strings.Repeat("d", 64), Judgement: delivery.JudgedUnchanged})
|
||||
if err != nil {
|
||||
t.Fatal(err)
|
||||
}
|
||||
kvs[delivery.ControllerComposedBucket].(*watchKV).entries = []kvEntry{{key: ckey, value: cd}}
|
||||
kvs[delivery.AssignerPutsBucket].(*watchKV).closed = true
|
||||
kvs[delivery.AssignerWantsBucket].(*watchKV).wrote = wrote
|
||||
go follow(ctx, nil, kvs, func(asks.Condition) error { return nil }, nil, log.New(io.Discard, "", 0))
|
||||
select {
|
||||
case key := <-wrote:
|
||||
if key != "want.ace.node" {
|
||||
t.Errorf("the first pass wrote %s", key)
|
||||
}
|
||||
case <-ctx.Done():
|
||||
t.Error("a puts watch that ended before its first marker kept the first pass from being made: no want was written")
|
||||
}
|
||||
}
|
||||
|
||||
// 1297/B2a: without a credential the program does not start, and says why.
|
||||
@@ -112,61 +57,3 @@ func TestNoCredential(t *testing.T) {
|
||||
t.Errorf("run without a credential = %v", err)
|
||||
}
|
||||
}
|
||||
|
||||
// refusingJS opens every bucket but one, which it refuses with err.
|
||||
type refusingJS struct {
|
||||
jetstream.JetStream
|
||||
missing string
|
||||
err error
|
||||
}
|
||||
|
||||
func (r refusingJS) KeyValue(_ context.Context, name string) (jetstream.KeyValue, error) {
|
||||
if name == r.missing {
|
||||
return nil, r.err
|
||||
}
|
||||
return &memKV{values: map[string][]byte{}}, nil
|
||||
}
|
||||
|
||||
// watchKV is a memKV whose watch hands its entries and then the marker that all stands was handed, or ends at once when
|
||||
// closed; a put on it is said on wrote.
|
||||
type watchKV struct {
|
||||
*memKV
|
||||
entries []kvEntry
|
||||
closed bool
|
||||
wrote chan string
|
||||
}
|
||||
|
||||
func (w *watchKV) WatchAll(context.Context, ...jetstream.WatchOpt) (jetstream.KeyWatcher, error) {
|
||||
ch := make(chan jetstream.KeyValueEntry, len(w.entries)+1)
|
||||
if w.closed {
|
||||
close(ch)
|
||||
return keyWatcher{ch}, nil
|
||||
}
|
||||
for _, e := range w.entries {
|
||||
ch <- e
|
||||
}
|
||||
ch <- nil
|
||||
return keyWatcher{ch}, nil
|
||||
}
|
||||
|
||||
func (w *watchKV) Put(ctx context.Context, key string, value []byte) (uint64, error) {
|
||||
if w.wrote != nil {
|
||||
w.wrote <- key
|
||||
}
|
||||
return 1, nil
|
||||
}
|
||||
|
||||
type keyWatcher struct{ ch chan jetstream.KeyValueEntry }
|
||||
|
||||
func (k keyWatcher) Updates() <-chan jetstream.KeyValueEntry { return k.ch }
|
||||
func (k keyWatcher) Stop() error { return nil }
|
||||
|
||||
type kvEntry struct {
|
||||
jetstream.KeyValueEntry
|
||||
key string
|
||||
value []byte
|
||||
}
|
||||
|
||||
func (e kvEntry) Key() string { return e.key }
|
||||
func (e kvEntry) Value() []byte { return e.value }
|
||||
func (e kvEntry) Operation() jetstream.KeyValueOp { return jetstream.KeyValuePut }
|
||||
|
||||
@@ -3,12 +3,8 @@ package main
|
||||
import (
|
||||
"context"
|
||||
"errors"
|
||||
"fmt"
|
||||
"slices"
|
||||
"strings"
|
||||
"time"
|
||||
|
||||
"git.novox.be/novox/mesh-sdk/go/asks"
|
||||
"git.novox.be/novox/mesh-sdk/go/catalogue"
|
||||
"git.novox.be/novox/mesh-sdk/go/delivery"
|
||||
"git.novox.be/novox/mesh-sdk/go/sdkversion"
|
||||
@@ -23,61 +19,75 @@ type passer struct {
|
||||
w *world
|
||||
logf func(string, ...any)
|
||||
sdk string
|
||||
// say publishes a condition to the operator; said is, by condition key and state, what this process has said, so a
|
||||
// pass says a condition once and a restart says it again (the router keeps one per key).
|
||||
say func(asks.Condition) error
|
||||
said map[string]bool
|
||||
// answeredAt is, by the id of a backup ask, how many values the have had when its answer was written into the want.
|
||||
answeredAt map[string]uint64
|
||||
asks *composeAsks
|
||||
// now is the clock; nil is time.Now.
|
||||
now func() time.Time
|
||||
// neither is, by node and module, each module on neither list whose condition this process raised (issue 1945). Nil until the
|
||||
// first pass after a start, which clears what a previous process may have raised (startClears).
|
||||
neither map[string]neitherOne
|
||||
// acts are the puts' acts (ADR 0546); nil: the puts are not taken further (no bus to call, or no puts bucket).
|
||||
acts *putActs
|
||||
// noWant is, by node and module, the reason last said why the node gets no want for the module (issue 1945): a reason is
|
||||
// said in the journal when it appears or changes, and its clearing when the node has a want again; one line per change.
|
||||
noWant map[string]string
|
||||
}
|
||||
|
||||
func (p *passer) clock() time.Time {
|
||||
if p.now != nil {
|
||||
return p.now()
|
||||
}
|
||||
return time.Now()
|
||||
}
|
||||
|
||||
func (p *passer) pass(ctx context.Context) {
|
||||
p.compositions(ctx)
|
||||
p.wants(ctx)
|
||||
p.puts(ctx)
|
||||
p.nodeWants(ctx)
|
||||
p.backups(ctx)
|
||||
rules := p.wants(ctx)
|
||||
p.differences(ctx, rules)
|
||||
}
|
||||
|
||||
// nodeWants writes each node's own want, `want.<node>.node`, naming the digest of the node's own composition, once the
|
||||
// controller has composed it and again whenever that digest changes (ADR 0539 §6).
|
||||
func (p *passer) nodeWants(ctx context.Context) {
|
||||
written := p.w.read(delivery.AssignerWantsBucket)
|
||||
for node, d := range p.w.nodeComposed() {
|
||||
key, err := delivery.WantNodeKey(node)
|
||||
// differences writes, for each node and module the assigner wants or the controller sends, the difference between the
|
||||
// two with the rule that explains it or unexplained (ADR 0528 clause 4), and deletes the key of a difference that
|
||||
// ended; its history keeps what it was.
|
||||
func (p *passer) differences(ctx context.Context, rules map[string]map[string]assign.Holding) {
|
||||
_, assignments := p.w.assigned()
|
||||
wanted := p.w.wantsOf()
|
||||
trunk := p.w.trunk()
|
||||
pairs := map[[2]string]bool{}
|
||||
for _, a := range assignments {
|
||||
pairs[[2]string{a.Node, a.Module}] = true
|
||||
}
|
||||
for module, byNode := range wanted {
|
||||
for node := range byNode {
|
||||
pairs[[2]string{node, module}] = true
|
||||
}
|
||||
}
|
||||
written := p.w.read(delivery.AssignerDifferencesBucket)
|
||||
keep := map[string]bool{}
|
||||
for pair := range pairs {
|
||||
node, module := pair[0], pair[1]
|
||||
key, err := delivery.DifferenceKey(node, module)
|
||||
if err != nil {
|
||||
continue
|
||||
}
|
||||
if before, err := delivery.DecodeNodeWant(written[key]); err == nil && before.Composed == d.Digest {
|
||||
var want *delivery.Want
|
||||
if w, ok := wanted[module][node]; ok {
|
||||
want = &w
|
||||
}
|
||||
var sent assign.Sent
|
||||
if a, ok := assignments[node+"."+module]; ok {
|
||||
sent = assign.Sent{Sends: true, Build: a.Build, FP: p.w.sentFP(ctx, kvGetter(p.kvs[delivery.BuildsBucket]), module, a.Build)}
|
||||
}
|
||||
d, ok := assign.Compare(want, sent, trunk[module].FP2, rules[module][node])
|
||||
if !ok {
|
||||
continue
|
||||
}
|
||||
want := delivery.NodeWant{Composed: d.Digest, Words: "the node's own composition"}
|
||||
p.put(ctx, delivery.AssignerWantsBucket, key, func() ([]byte, error) { return delivery.EncodeNodeWant(want) })
|
||||
keep[key] = true
|
||||
if before, err := delivery.DecodeDifference(written[key]); err == nil {
|
||||
before.V = 0
|
||||
if delivery.SameDifference(before, d) {
|
||||
continue
|
||||
}
|
||||
}
|
||||
p.put(ctx, delivery.AssignerDifferencesBucket, key, func() ([]byte, error) { return delivery.EncodeDifference(d) })
|
||||
}
|
||||
for key := range written {
|
||||
if keep[key] {
|
||||
continue
|
||||
}
|
||||
if err := p.kvs[delivery.AssignerDifferencesBucket].Delete(ctx, key); err != nil {
|
||||
p.logf("the difference %s that ended could not be deleted: %v", key, err)
|
||||
continue
|
||||
}
|
||||
p.w.put(delivery.AssignerDifferencesBucket, key, nil)
|
||||
}
|
||||
}
|
||||
|
||||
// wants writes, for every module the trunk holds a fingerprint of, each node's want by the six rules (ADR 0429 §6), and
|
||||
// the hold of a fingerprint whose health check failed. The assigner compares its wants with nothing the controller
|
||||
// sends: the differences bucket is kept read-only with its history (ADR 0539 §8).
|
||||
func (p *passer) wants(ctx context.Context) {
|
||||
// the hold of a fingerprint whose health check failed. It returns, by module then node, the rule that holds a node
|
||||
// back, for the comparison.
|
||||
func (p *passer) wants(ctx context.Context) map[string]map[string]assign.Holding {
|
||||
get := kvGetter(p.kvs[delivery.ManifestsBucket])
|
||||
assigned, _ := p.w.assigned()
|
||||
trunk := p.w.trunk()
|
||||
@@ -98,8 +108,7 @@ func (p *passer) wants(ctx context.Context) {
|
||||
}
|
||||
}
|
||||
wanted := p.w.wantsOf()
|
||||
puts := p.putsByModule()
|
||||
p.staleAsks(ctx, trunk)
|
||||
rules := map[string]map[string]assign.Holding{}
|
||||
names := map[string]bool{}
|
||||
for name := range trunk {
|
||||
names[name] = true
|
||||
@@ -107,60 +116,20 @@ func (p *passer) wants(ctx context.Context) {
|
||||
for name := range wanted {
|
||||
names[name] = true
|
||||
}
|
||||
neither := map[string]neitherOne{}
|
||||
// The first pass after a start remembers nothing a previous process said: a neither or held condition it raised would stay
|
||||
// raised for ever once the module has its want or is no longer held. That pass clears, once, the neither condition of every
|
||||
// assigned module not on neither list and the held condition of every module not held; a clear of a condition that is not open is
|
||||
// quiet at the router.
|
||||
first := p.neither == nil
|
||||
stale := map[string]neitherOne{}
|
||||
defer func() { p.sayNeither(neither, stale) }()
|
||||
for name := range names {
|
||||
fp := trunk[name].FP2
|
||||
name := name
|
||||
m := assign.Module{Name: name, FP: fp, Manifest: manifests[name], Nodes: nodesOf[name], Now: time.Now(), Puts: puts[name],
|
||||
Composed: func(node, fp string) (delivery.ComposedDigest, bool) { return p.w.composed(node, name, fp) },
|
||||
GrantedAt: func(fp string) bool {
|
||||
key, err := delivery.ControllerGrantKey(name, fp)
|
||||
return err == nil && p.w.has(delivery.ControllerGrantsBucket, key)
|
||||
},
|
||||
Restored: func(node string) bool {
|
||||
key, err := delivery.RestoreAskKey(node, name, fp)
|
||||
return err == nil && p.answeredWith(key, assign.OptionRestore)
|
||||
},
|
||||
Allowed: func(node, digest string) bool {
|
||||
key, err := delivery.RecordAskKey(node, name, digest)
|
||||
return err == nil && p.answeredWith(key, assign.OptionYes)
|
||||
}}
|
||||
m := assign.Module{Name: name, FP: fp, Manifest: manifests[name], Nodes: nodesOf[name]}
|
||||
if fp != "" {
|
||||
held, _ := delivery.HeldKey(name, fp)
|
||||
grant, _ := delivery.ControllerGrantKey(name, fp)
|
||||
hold, _ := delivery.HoldAskKey(name, fp)
|
||||
m.Released = p.answeredWith(hold, "release")
|
||||
m.Kept = p.answeredWith(hold, "keep")
|
||||
m.Built, m.Held, m.Granted = p.w.built(name, fp), p.w.has(delivery.AssignerWantsBucket, held) && !m.Released, p.w.has(delivery.ControllerGrantsBucket, grant)
|
||||
if raw := p.w.value(delivery.ControllerGrantsBucket, grant); raw != nil {
|
||||
if g, err := delivery.DecodeControllerGrant(raw); err == nil {
|
||||
m.GrantedOn = func(node string) bool { return assign.GrantNamesNode(g, node, name) }
|
||||
}
|
||||
}
|
||||
if m.Released {
|
||||
p.clearHeld(name, fp)
|
||||
}
|
||||
m.Built, m.Held, m.Granted = p.w.built(name, fp), p.w.has(delivery.AssignerWantsBucket, held), p.w.has(delivery.ControllerGrantsBucket, grant)
|
||||
}
|
||||
last := map[string]string{}
|
||||
for _, node := range m.Nodes {
|
||||
last[node] = p.w.lastHealthy(node, name, fp)
|
||||
}
|
||||
out := assign.Wants(m, nodes, wanted[name], last)
|
||||
gatherNeither(neither, name, out)
|
||||
p.sayNoWant(name, m.Nodes, wanted[name], out)
|
||||
if first {
|
||||
startClears(stale, m, out)
|
||||
if fp != "" && !m.Held && out.Held == nil && !out.Lifted {
|
||||
p.clearHeld(name, fp)
|
||||
}
|
||||
}
|
||||
rules[name] = out.Rules
|
||||
if out.Held != nil {
|
||||
key, err := delivery.HeldKey(name, fp)
|
||||
if err == nil {
|
||||
@@ -168,18 +137,8 @@ func (p *passer) wants(ctx context.Context) {
|
||||
p.put(ctx, delivery.AssignerWantsBucket, key, func() ([]byte, error) { return delivery.EncodeHeld(held) })
|
||||
}
|
||||
}
|
||||
if out.Lifted {
|
||||
p.lift(ctx, name, fp)
|
||||
}
|
||||
if out.Held != nil || (m.Held && !out.Lifted) {
|
||||
p.holdAsk(ctx, name, fp, out.Held)
|
||||
p.heldCondition(ctx, name, fp, out.Held, len(out.Restore) > 0)
|
||||
}
|
||||
for _, node := range out.Restore {
|
||||
p.restoreAsk(ctx, name, node, fp)
|
||||
}
|
||||
for _, need := range out.Record {
|
||||
p.recordAsk(ctx, name, fp, need)
|
||||
if out.Held != nil || m.Held {
|
||||
p.holdAsk(ctx, name, fp)
|
||||
}
|
||||
for node, want := range out.Wants {
|
||||
key, err := delivery.WantKey(node, name)
|
||||
@@ -191,110 +150,7 @@ func (p *passer) wants(ctx context.Context) {
|
||||
p.put(ctx, delivery.AssignerWantsBucket, key, func() ([]byte, error) { return delivery.EncodeWant(want) })
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
// sayNoWant says in the journal why a node of module gets no want after this pass, from the rule the outcome names for it
|
||||
// (issue 1945: a new assignment whose trunk build was not done was held back with nothing said), once per reason, and says
|
||||
// when the node has a want again. A node with a live want, written before and kept or written in this pass, has one.
|
||||
func (p *passer) sayNoWant(module string, nodes []string, before map[string]delivery.Want, out assign.Outcome) {
|
||||
if p.noWant == nil {
|
||||
p.noWant = map[string]string{}
|
||||
}
|
||||
assigned := map[string]bool{}
|
||||
for _, node := range nodes {
|
||||
assigned[node] = true
|
||||
key := node + "." + module
|
||||
w, written := out.Wants[node]
|
||||
if !written {
|
||||
w, written = before[node]
|
||||
}
|
||||
reason := ""
|
||||
if h, held := out.Rules[node]; held && (!written || w.Removed) {
|
||||
reason = fmt.Sprintf("rule %d: %s", h.Rule, h.Words)
|
||||
}
|
||||
last, said := p.noWant[key]
|
||||
switch {
|
||||
case reason != "" && reason != last:
|
||||
p.logf("%s on %s gets no want: %s", module, node, reason)
|
||||
p.noWant[key] = reason
|
||||
case reason == "" && said && written && !w.Removed:
|
||||
p.logf("%s on %s has a want", module, node)
|
||||
delete(p.noWant, key)
|
||||
}
|
||||
}
|
||||
for key := range p.noWant {
|
||||
if node, m, _ := strings.Cut(key, "."); m == module && !assigned[node] {
|
||||
delete(p.noWant, key) // no longer assigned there: its removed want says so
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
// neitherOne is a module assigned to a node that holds no want for it after a pass, and the rule holding its first want back.
|
||||
type neitherOne struct {
|
||||
node, module string
|
||||
holding assign.Holding
|
||||
}
|
||||
|
||||
// gatherNeither adds the nodes on which module is on neither list in its outcome, keyed by node and module.
|
||||
func gatherNeither(into map[string]neitherOne, module string, out assign.Outcome) {
|
||||
for node, h := range out.Neither {
|
||||
into[node+"."+module] = neitherOne{node: node, module: module, holding: h}
|
||||
}
|
||||
}
|
||||
|
||||
// startClears adds, for the first pass after a start, every node of m that is not on neither list after the pass: a neither
|
||||
// condition a previous process raised for it is cleared. That covers a node with a want and one with none that is not on neither
|
||||
// list, such as a held module (issue 1945: the hold is said on its own, so a neither raised for it before the restart would stay up
|
||||
// for ever) or a move waiting for its record ask. Clearing a condition that is not open is quiet at the router.
|
||||
func startClears(into map[string]neitherOne, m assign.Module, out assign.Outcome) {
|
||||
for _, node := range m.Nodes {
|
||||
if _, on := out.Neither[node]; !on {
|
||||
into[node+"."+m.Name] = neitherOne{node: node, module: m.Name}
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
// sayNeither raises, once, the condition of every module on neither list in this pass and writes it to the journal, and clears,
|
||||
// once, the condition of each one said before that has a want again (issue 1945). A say that fails is made again at the next pass.
|
||||
// stale is, on the first pass after a start, the modules whose condition a previous process may have raised and that have a want:
|
||||
// each is cleared once.
|
||||
func (p *passer) sayNeither(now, stale map[string]neitherOne) {
|
||||
if p.neither == nil {
|
||||
p.neither = map[string]neitherOne{}
|
||||
for key, one := range stale {
|
||||
if _, on := now[key]; !on {
|
||||
p.neither[key] = one
|
||||
}
|
||||
}
|
||||
}
|
||||
for key, one := range now {
|
||||
if _, said := p.neither[key]; said {
|
||||
continue
|
||||
}
|
||||
c := assign.NeitherCondition(one.node, one.module, one.holding, true)
|
||||
if p.say != nil {
|
||||
if err := p.say(c); err != nil {
|
||||
p.logf("the condition of %s on neither list on %s could not be said, and is said at the next pass: %v", one.module, one.node, err)
|
||||
continue
|
||||
}
|
||||
}
|
||||
p.logf("%s is assigned to %s and on neither list: no want, and not in the node's own composition; rule %d holds its first want back: %s",
|
||||
one.module, one.node, one.holding.Rule, one.holding.Words)
|
||||
p.neither[key] = one
|
||||
}
|
||||
for key, one := range p.neither {
|
||||
if _, still := now[key]; still {
|
||||
continue
|
||||
}
|
||||
if p.say != nil {
|
||||
if err := p.say(assign.NeitherCondition(one.node, one.module, assign.Holding{}, false)); err != nil {
|
||||
p.logf("the condition of %s on neither list on %s could not be cleared, and is cleared at the next pass: %v", one.module, one.node, err)
|
||||
continue
|
||||
}
|
||||
}
|
||||
p.logf("%s on %s has a want again", one.module, one.node)
|
||||
delete(p.neither, key)
|
||||
}
|
||||
return rules
|
||||
}
|
||||
|
||||
// compositions writes the composition check's verdict of every group the indexer holds a candidate for, under the
|
||||
@@ -306,10 +162,6 @@ func (p *passer) compositions(ctx context.Context) {
|
||||
written := p.w.read(delivery.AssignerCompositionsBucket)
|
||||
trunk := p.w.trunk()
|
||||
var mesh *assign.Mesh
|
||||
seen := map[string]bool{}
|
||||
if p.asks != nil {
|
||||
defer p.asks.sweep(seen)
|
||||
}
|
||||
for key, value := range p.w.read(delivery.CandidatesBucket) {
|
||||
c, err := delivery.DecodeCandidate(value)
|
||||
if err != nil {
|
||||
@@ -331,12 +183,7 @@ func (p *passer) compositions(ctx context.Context) {
|
||||
m := p.w.mesh(ctx, kvGetter(p.kvs[delivery.ManifestsBucket]))
|
||||
mesh = &m
|
||||
}
|
||||
if ch.SDKHead != "" && p.asks != nil {
|
||||
// A group with a mesh-sdk member is composed by the composer built at its head (ADR 0482 clauses 3 to 5).
|
||||
v = p.composeAtHead(ctx, *mesh, ch, seen, began)
|
||||
} else {
|
||||
v = assign.Compose(*mesh, ch, p.sdk, time.Since(began))
|
||||
}
|
||||
v = assign.Compose(*mesh, ch, p.sdk, time.Since(began))
|
||||
}
|
||||
if before, err := delivery.DecodeCompositionVerdict(written[out]); err == nil {
|
||||
before.Took, before.V = v.Took, 0
|
||||
@@ -365,305 +212,11 @@ func (p *passer) put(ctx context.Context, bucket, key string, encode func() ([]b
|
||||
// holdAsk writes, once, the ask about a held fingerprint (ADR 0528 clause 6, ADR 0437 clause 10): the first ask that needs
|
||||
// no proof of who answered, which the view may answer and the teller fills. In release 5 an answer changes nothing on a
|
||||
// node (wants are only compared, ADR 0429 §7), and the options say so.
|
||||
func (p *passer) holdAsk(ctx context.Context, module, fp string, fresh *delivery.Held) {
|
||||
func (p *passer) holdAsk(ctx context.Context, module, fp string) {
|
||||
key, err := delivery.HoldAskKey(module, fp)
|
||||
if err != nil || p.w.has(delivery.AssignerAsksBucket, key) {
|
||||
return
|
||||
}
|
||||
// The asking is the hold's time in seconds: a hold of the same fingerprint written again after a lift is another asking, under
|
||||
// an id of its own, also after a restart, since the router drops a second ask under an id it keeps (issue 1906).
|
||||
now := p.clock()
|
||||
asking := int(now.Unix())
|
||||
h := p.heldHold(module, fp, fresh)
|
||||
a := assign.HoldAsk(key, module, fp, h.Node, h.Words, asking, now)
|
||||
a := assign.HoldAsk(key, module, fp, time.Now())
|
||||
p.put(ctx, delivery.AssignerAsksBucket, key, func() ([]byte, error) { return delivery.EncodeAssignerAsk(key, a) })
|
||||
}
|
||||
|
||||
// lift takes away a hold the assigner lifted by itself, since every node that runs the module runs the held fingerprint healthy
|
||||
// (issue 1906): the held record and its ask (the teller then takes the ask back from the operator), and the held condition is
|
||||
// cleared saying why, once. A hold of the same fingerprint written later is said and asked again.
|
||||
func (p *passer) lift(ctx context.Context, module, fp string) {
|
||||
held, err := delivery.HeldKey(module, fp)
|
||||
if err != nil {
|
||||
return
|
||||
}
|
||||
ask, err := delivery.HoldAskKey(module, fp)
|
||||
if err != nil {
|
||||
return
|
||||
}
|
||||
c := assign.LiftedCondition(module, fp)
|
||||
if !p.said[c.Key+".lifted"] {
|
||||
if p.say != nil {
|
||||
if err := p.say(c); err != nil {
|
||||
// The hold stays written, so the next pass lifts it again and says so then.
|
||||
p.logf("the condition of the lifted hold of %s could not be cleared, and is cleared at the next pass: %v", module, err)
|
||||
return
|
||||
}
|
||||
}
|
||||
p.logf("%s", assign.LiftedWords(module, fp))
|
||||
p.said[c.Key+".lifted"] = true
|
||||
delete(p.said, c.Key+".raised") // a hold written again is said again
|
||||
}
|
||||
p.remove(ctx, delivery.AssignerWantsBucket, held)
|
||||
p.remove(ctx, delivery.AssignerAsksBucket, ask)
|
||||
// The restore asks of that fingerprint, on every node, go with the hold: every node runs it healthy, so no node waits to be
|
||||
// set back from it (issue 1906, note 28).
|
||||
for key := range p.w.read(delivery.AssignerAsksBucket) {
|
||||
if k, err := delivery.ParseAnyAskKey(key); err == nil && k.Kind == delivery.AskKindRestore && k.Module == module && k.FP == fp {
|
||||
p.remove(ctx, delivery.AssignerAsksBucket, key)
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
// staleAsk says whether the hold, restore or record ask at key (read as the SDK reads it) is about something the trunk has left
|
||||
// behind: a module no longer on the trunk, a fingerprint that is no longer the module's trunk fingerprint, or a composition the
|
||||
// controller no longer composes for the node at that fingerprint. A backup ask and an ask of another kind are never stale here.
|
||||
// A module of the trunk whose fingerprint is not read yet, and a composition not read yet, are not stale: nothing known is
|
||||
// nothing taken away.
|
||||
func (p *passer) staleAsk(key string, trunk map[string]delivery.Module) bool {
|
||||
k, err := delivery.ParseAnyAskKey(key)
|
||||
if err != nil {
|
||||
return false
|
||||
}
|
||||
switch k.Kind {
|
||||
case delivery.AskKindHold, delivery.AskKindRestore:
|
||||
m, on := trunk[k.Module]
|
||||
return !on || (m.FP2 != "" && m.FP2 != k.FP)
|
||||
case delivery.AskKindRecord:
|
||||
m, on := trunk[k.Module]
|
||||
if !on {
|
||||
return true
|
||||
}
|
||||
// The assigner asks about a composition at more than the trunk fingerprint: a node held back by the rules is asked about the
|
||||
// revised composition of the fingerprint it runs (ADR 0545), and a node's first want at the older fingerprint it runs. So a
|
||||
// record ask is stale only when its digest is the composition of none of the fingerprints the node can still want (the
|
||||
// trunk's, its want's, its have's), and only when every one of them is read.
|
||||
for _, fp := range p.fingerprintsOf(k.Node, k.Module, m.FP2) {
|
||||
d, ok := p.w.composed(k.Node, k.Module, fp)
|
||||
if !ok || d.Digest == k.Composed {
|
||||
return false
|
||||
}
|
||||
}
|
||||
return len(p.fingerprintsOf(k.Node, k.Module, m.FP2)) > 0
|
||||
}
|
||||
return false
|
||||
}
|
||||
|
||||
// fingerprintsOf are the fingerprints a node may still want of module: the trunk's, the one its want names and the one its have
|
||||
// names, each once.
|
||||
func (p *passer) fingerprintsOf(node, module, trunkFP string) []string {
|
||||
var out []string
|
||||
add := func(fp string) {
|
||||
if fp != "" && !slices.Contains(out, fp) {
|
||||
out = append(out, fp)
|
||||
}
|
||||
}
|
||||
add(trunkFP)
|
||||
if key, err := delivery.WantKey(node, module); err == nil {
|
||||
if w, err := delivery.DecodeWant(p.w.value(delivery.AssignerWantsBucket, key)); err == nil {
|
||||
add(w.FP)
|
||||
}
|
||||
}
|
||||
if key, err := delivery.HaveKey(node, module); err == nil {
|
||||
if h, err := delivery.DecodeHave(p.w.value(delivery.HaveBucket, key)); err == nil {
|
||||
add(h.FP)
|
||||
}
|
||||
}
|
||||
return out
|
||||
}
|
||||
|
||||
// staleAsks takes away, at every pass, each hold, restore and record ask that staleAsk names (issue 1906, note 28): an ask
|
||||
// outlived its fingerprint, and the teller takes its router ask back from the operator when the key goes. With the trunk not
|
||||
// read at all (no module), nothing is taken away.
|
||||
func (p *passer) staleAsks(ctx context.Context, trunk map[string]delivery.Module) {
|
||||
if len(trunk) == 0 {
|
||||
return
|
||||
}
|
||||
for key := range p.w.read(delivery.AssignerAsksBucket) {
|
||||
if p.staleAsk(key, trunk) {
|
||||
p.logf("the ask %s is about a fingerprint or composition the trunk has left behind and is taken away", key)
|
||||
p.remove(ctx, delivery.AssignerAsksBucket, key)
|
||||
// The held record stays: it is the memory that this fingerprint failed (ADR 0408 §4), and a revert returns the trunk to
|
||||
// exactly it. Only the condition, which would else ask for an answer that can no longer be given, is cleared, and it is
|
||||
// raised again if the trunk returns to the fingerprint.
|
||||
if k, err := delivery.ParseAnyAskKey(key); err == nil && (k.Kind == delivery.AskKindHold || k.Kind == delivery.AskKindRestore) {
|
||||
p.clearHeld(k.Module, k.FP)
|
||||
delete(p.said, assign.HeldCondition(k.Module, k.FP, "", "", false, false).Key+".raised")
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
// remove deletes one key of the assigner's own bucket when it holds it; a delete that fails is said and made again at the next
|
||||
// pass.
|
||||
func (p *passer) remove(ctx context.Context, bucket, key string) {
|
||||
if !p.w.has(bucket, key) {
|
||||
return
|
||||
}
|
||||
if err := p.kvs[bucket].Delete(ctx, key); err != nil && !errors.Is(err, context.Canceled) {
|
||||
p.logf("%s %s could not be taken away: %v", bucket, key, err)
|
||||
return
|
||||
}
|
||||
p.w.put(bucket, key, nil)
|
||||
}
|
||||
|
||||
// heldHold is the hold of fp as written: the node whose health check failed and its words.
|
||||
func (p *passer) heldHold(module, fp string, fresh *delivery.Held) delivery.Held {
|
||||
if fresh != nil {
|
||||
return *fresh
|
||||
}
|
||||
key, err := delivery.HeldKey(module, fp)
|
||||
if err != nil {
|
||||
return delivery.Held{}
|
||||
}
|
||||
h, _ := delivery.DecodeHeld(p.w.read(delivery.AssignerWantsBucket)[key])
|
||||
return h
|
||||
}
|
||||
|
||||
// heldCondition raises, once, the condition for a fingerprint the assigner holds (ADR 0429 §6, ADR 0539 §19): the module, the
|
||||
// node whose health check failed and the check's words. A module holding data needs the operator's answer to its restore ask.
|
||||
func (p *passer) heldCondition(ctx context.Context, module, fp string, fresh *delivery.Held, data bool) {
|
||||
h := p.heldHold(module, fp, fresh)
|
||||
c := assign.HeldCondition(module, fp, h.Node, h.Words, true, data)
|
||||
if p.say == nil || p.said[c.Key+".raised"] {
|
||||
return
|
||||
}
|
||||
if err := p.say(c); err != nil {
|
||||
p.logf("the condition of the held %s could not be said, and is said at the next pass: %v", module, err)
|
||||
return
|
||||
}
|
||||
p.said[c.Key+".raised"] = true
|
||||
delete(p.said, c.Key+".lifted") // a hold raised again and lifted again is said lifted again
|
||||
delete(p.said, c.Key+".cleared") // and released again is cleared again
|
||||
}
|
||||
|
||||
// restoreAsk writes, once, the ask about a module holding data whose held fingerprint failed its health check on node.
|
||||
func (p *passer) restoreAsk(ctx context.Context, module, node, fp string) {
|
||||
key, err := delivery.RestoreAskKey(node, module, fp)
|
||||
if err != nil || p.w.has(delivery.AssignerAsksBucket, key) {
|
||||
return
|
||||
}
|
||||
words := p.heldHold(module, fp, nil).Words
|
||||
a := assign.RestoreAsk(key, node, module, fp, words, time.Now())
|
||||
p.put(ctx, delivery.AssignerAsksBucket, key, func() ([]byte, error) { return delivery.EncodeAssignerAsk(key, a) })
|
||||
}
|
||||
|
||||
// answeredWith says whether the teller wrote an answer to the ask at key as it stands now and the option chosen is option. The
|
||||
// answer is the operator's, given in the view or on the phone, and stays under its key (ADR 0539 §14, §16, §19); it counts only
|
||||
// for the asking it answered (its warrant names that asking's id), so an answer to an ask taken away, or to an earlier hold of
|
||||
// the same fingerprint, does not carry over to a later one (issue 1906).
|
||||
func (p *passer) answeredWith(key, option string) bool {
|
||||
a, ok := p.w.answer(key)
|
||||
if !ok || a.Option != option {
|
||||
return false
|
||||
}
|
||||
ask, err := delivery.DecodeAssignerAsk(key, p.w.value(delivery.AssignerAsksBucket, key))
|
||||
if err != nil {
|
||||
return false
|
||||
}
|
||||
id, _, _ := strings.Cut(a.Warrant, "@")
|
||||
return id == ask.Ask.ID
|
||||
}
|
||||
|
||||
// clearHeld clears, once, the condition of a hold the operator released.
|
||||
func (p *passer) clearHeld(module, fp string) {
|
||||
c := assign.HeldCondition(module, fp, "", "", false, false)
|
||||
if p.say == nil || p.said[c.Key+".cleared"] {
|
||||
return
|
||||
}
|
||||
if err := p.say(c); err != nil {
|
||||
p.logf("the condition of the released %s could not be cleared, and is cleared at the next pass: %v", module, err)
|
||||
return
|
||||
}
|
||||
p.said[c.Key+".cleared"] = true
|
||||
}
|
||||
|
||||
// recordAsk writes, once, the ask about a move of a module of policy record that waits for the operator's yes.
|
||||
func (p *passer) recordAsk(ctx context.Context, module, fp string, need assign.RecordNeed) {
|
||||
key, err := delivery.RecordAskKey(need.Node, module, need.Digest)
|
||||
if err != nil || p.w.has(delivery.AssignerAsksBucket, key) {
|
||||
return
|
||||
}
|
||||
a := assign.RecordAsk(key, need.Node, module, fp, need, time.Now())
|
||||
p.put(ctx, delivery.AssignerAsksBucket, key, func() ([]byte, error) { return delivery.EncodeAssignerAsk(key, a) })
|
||||
}
|
||||
|
||||
// backups sees to the modules held on a node because the backup before an apply failed (the have's phase held, ADR 0539 §16):
|
||||
// it asks whether to back up again or go on without a backup, raises the condition naming node, module and the backup's words,
|
||||
// and writes the answer into the node's want for the module, which the node agent reads from it and from nothing else.
|
||||
//
|
||||
// The ask is bound to the composition (it names the digest, and a new revision at the same fingerprint is asked again under a
|
||||
// new number) and an answer counts only if the router's warrant names the id of the ask now at the key (the warrant's first part,
|
||||
// before the `@`). Each answer is another want value (the asking's number is in the want's words), so a backup that fails again
|
||||
// after "back up again" and is answered "again" again changes the key and the node retries. That the backup failed again is seen
|
||||
// in a new have value after the answer was written.
|
||||
func (p *passer) backups(ctx context.Context) {
|
||||
wanted := p.w.wantsOf()
|
||||
for key, value := range p.w.read(delivery.HaveBucket) {
|
||||
node, module, isNode, err := delivery.ParseHaveKey(key)
|
||||
if err != nil || isNode {
|
||||
continue
|
||||
}
|
||||
have, err := delivery.DecodeHave(value)
|
||||
if err != nil || have.Phase != delivery.PhaseHeld {
|
||||
continue
|
||||
}
|
||||
want, ok := wanted[module][node]
|
||||
if !ok || want.Removed {
|
||||
continue
|
||||
}
|
||||
akey, err := delivery.BackupAskKey(node, module, want.FP)
|
||||
if err != nil {
|
||||
continue
|
||||
}
|
||||
current, there := delivery.DecodeAssignerAsk(akey, p.w.read(delivery.AssignerAsksBucket)[akey])
|
||||
if there != nil || assign.BackupAskDigest(current) != want.Composed {
|
||||
after := -1
|
||||
if there == nil {
|
||||
after = current.Asking
|
||||
}
|
||||
p.backupAsk(ctx, akey, node, module, want, have.Detail, assign.NextBackupAsking(after))
|
||||
continue
|
||||
}
|
||||
answer, answered := p.w.answer(akey)
|
||||
if router, _, _ := strings.Cut(answer.Warrant, "@"); !answered || router != current.Ask.ID ||
|
||||
(answer.Option != delivery.BackupAgain && answer.Option != delivery.BackupSkip) {
|
||||
continue // not answered yet: the ask stands
|
||||
}
|
||||
words := assign.BackupAnswerWords(answer.Option, current.Asking)
|
||||
haveChanges := p.w.changed(delivery.HaveBucket, key)
|
||||
if want.Backup != answer.Option || want.Words != words {
|
||||
want.Backup, want.Words = answer.Option, words
|
||||
if wkey, err := delivery.WantKey(node, module); err == nil {
|
||||
w := want
|
||||
p.put(ctx, delivery.AssignerWantsBucket, wkey, func() ([]byte, error) { return delivery.EncodeWant(w) })
|
||||
p.answeredAt[current.Ask.ID] = haveChanges
|
||||
}
|
||||
continue
|
||||
}
|
||||
if answer.Option != delivery.BackupAgain {
|
||||
continue
|
||||
}
|
||||
// The answer is in the want. The node retried and the backup failed again when the have took another value since.
|
||||
if seen, known := p.answeredAt[current.Ask.ID]; !known {
|
||||
p.answeredAt[current.Ask.ID] = haveChanges // after a restart: wait for the next failure
|
||||
} else if haveChanges > seen {
|
||||
p.backupAsk(ctx, akey, node, module, want, have.Detail, assign.NextBackupAsking(current.Asking))
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
// backupAsk writes the backup ask at its asking and raises the condition of the failed backup, once.
|
||||
func (p *passer) backupAsk(ctx context.Context, key, node, module string, want delivery.Want, words string, asking int) {
|
||||
a := assign.BackupAsk(key, node, module, want.FP, want.Composed, words, asking, time.Now())
|
||||
p.put(ctx, delivery.AssignerAsksBucket, key, func() ([]byte, error) { return delivery.EncodeAssignerAsk(key, a) })
|
||||
c := assign.BackupCondition(node, module, want.FP, words, true)
|
||||
if p.say == nil || p.said[c.Key] {
|
||||
return
|
||||
}
|
||||
if err := p.say(c); err != nil {
|
||||
p.logf("the condition of the failed backup of %s on %s could not be said: %v", module, node, err)
|
||||
return
|
||||
}
|
||||
p.said[c.Key] = true
|
||||
}
|
||||
|
||||
@@ -1,685 +0,0 @@
|
||||
package main
|
||||
|
||||
import (
|
||||
"context"
|
||||
"encoding/json"
|
||||
"errors"
|
||||
"fmt"
|
||||
"slices"
|
||||
"strings"
|
||||
"testing"
|
||||
"time"
|
||||
|
||||
"github.com/nats-io/nats.go/jetstream"
|
||||
|
||||
"git.novox.be/novox/mesh-sdk/go/asks"
|
||||
"git.novox.be/novox/mesh-sdk/go/catalogue"
|
||||
"git.novox.be/novox/mesh-sdk/go/delivery"
|
||||
"git.novox.be/novox/mesh-sdk/go/provider"
|
||||
|
||||
"mesh-delivery-assigner/internal/assign"
|
||||
)
|
||||
|
||||
// memKV is the part of a bucket a pass writes: puts and deletes.
|
||||
type memKV struct {
|
||||
jetstream.KeyValue
|
||||
values map[string][]byte
|
||||
}
|
||||
|
||||
func (m *memKV) Put(_ context.Context, key string, value []byte) (uint64, error) {
|
||||
m.values[key] = value
|
||||
return uint64(len(m.values)), nil
|
||||
}
|
||||
|
||||
func (m *memKV) Delete(_ context.Context, key string, _ ...jetstream.KVDeleteOpt) error {
|
||||
delete(m.values, key)
|
||||
return nil
|
||||
}
|
||||
|
||||
// newPasser is a pass on a fresh world, as after a start, writing to the buckets given, at the clock given.
|
||||
func newPasser(kvs buckets, at time.Time) *passer {
|
||||
return &passer{kvs: kvs, w: newWorld(), logf: func(string, ...any) {}, said: map[string]bool{}, answeredAt: map[string]uint64{},
|
||||
now: func() time.Time { return at }}
|
||||
}
|
||||
|
||||
var fpTest = delivery.SourcePrefix2 + strings.Repeat("b", 64)
|
||||
|
||||
// 1906/H2: given a hold lifted by itself, when the assigner is started again and the same fingerprint is held again, then the
|
||||
// hold ask is written under another asking, with an id of its own, so the teller raises it (the router drops a second ask under
|
||||
// an id it keeps).
|
||||
func TestAHoldAskedAgainAfterALiftAndARestartHasANewID(t *testing.T) {
|
||||
asksKV, wantsKV := &memKV{values: map[string][]byte{}}, &memKV{values: map[string][]byte{}}
|
||||
kvs := buckets{delivery.AssignerAsksBucket: asksKV, delivery.AssignerWantsBucket: wantsKV}
|
||||
key, _ := delivery.HoldAskKey("web", fpTest)
|
||||
held := &delivery.Held{Node: "ace", Words: "health failed"}
|
||||
first := newPasser(kvs, time.Date(2026, 10, 25, 1, 0, 0, 0, time.UTC))
|
||||
first.holdAsk(context.Background(), "web", fpTest, held)
|
||||
a1, err := delivery.DecodeAssignerAsk(key, asksKV.values[key])
|
||||
if err != nil {
|
||||
t.Fatal(err)
|
||||
}
|
||||
first.lift(context.Background(), "web", fpTest)
|
||||
if _, there := asksKV.values[key]; there {
|
||||
t.Fatal("the lift left the hold ask")
|
||||
}
|
||||
again := newPasser(kvs, time.Date(2026, 10, 25, 2, 0, 0, 0, time.UTC)) // started again: it remembers nothing
|
||||
again.holdAsk(context.Background(), "web", fpTest, held)
|
||||
a2, err := delivery.DecodeAssignerAsk(key, asksKV.values[key])
|
||||
if err != nil {
|
||||
t.Fatal(err)
|
||||
}
|
||||
if a2.Ask.ID == a1.Ask.ID {
|
||||
t.Errorf("the ask written again after a lift and a restart has the id %s of the first", a1.Ask.ID)
|
||||
}
|
||||
}
|
||||
|
||||
// 1906/H4: an answer counts only for the asking it answered: an answer to an earlier hold of the same fingerprint, or to an ask
|
||||
// taken away, is not taken for the hold that stands now.
|
||||
func TestAnAnswerCountsOnlyForTheAskingItAnswered(t *testing.T) {
|
||||
key, _ := delivery.HoldAskKey("web", fpTest)
|
||||
p := newPasser(buckets{}, time.Now())
|
||||
put := func(asking int) string {
|
||||
a := assign.HoldAsk(key, "web", fpTest, "ace", "health failed", asking, time.Now())
|
||||
v, err := delivery.EncodeAssignerAsk(key, a)
|
||||
if err != nil {
|
||||
t.Fatal(err)
|
||||
}
|
||||
p.w.put(delivery.AssignerAsksBucket, key, v)
|
||||
return a.Ask.ID
|
||||
}
|
||||
first := put(100)
|
||||
v, _ := delivery.EncodeAnswer(delivery.Answer{Option: "release", Warrant: first + "@2026-10-25T01:00:00Z", Words: "the operator"})
|
||||
p.w.put(delivery.AnswersBucket, key, v)
|
||||
if !p.answeredWith(key, "release") {
|
||||
t.Fatal("the answer to the ask that stands is not taken")
|
||||
}
|
||||
if p.answeredWith(key, "keep") {
|
||||
t.Error("an answer was taken for an option not chosen")
|
||||
}
|
||||
put(200) // the same fingerprint held again, after a lift
|
||||
if p.answeredWith(key, "release") {
|
||||
t.Error("the answer to an earlier hold carried over to a later one")
|
||||
}
|
||||
p.w.put(delivery.AssignerAsksBucket, key, nil) // the ask taken away
|
||||
if p.answeredWith(key, "release") {
|
||||
t.Error("an answer to an ask taken away was taken")
|
||||
}
|
||||
t.Run("a put of the bus acts on the operator's warrant alone", putOfTheBus)
|
||||
}
|
||||
|
||||
// memEntry is a value a memKV holds, as a bucket's Get answers it.
|
||||
type memEntry struct {
|
||||
jetstream.KeyValueEntry
|
||||
value []byte
|
||||
revision uint64
|
||||
}
|
||||
|
||||
func (e memEntry) Value() []byte { return e.value }
|
||||
func (e memEntry) Revision() uint64 { return e.revision }
|
||||
func (m *memKV) Get(_ context.Context, key string) (jetstream.KeyValueEntry, error) {
|
||||
v, ok := m.values[key]
|
||||
if !ok {
|
||||
return nil, jetstream.ErrKeyNotFound
|
||||
}
|
||||
return memEntry{value: v, revision: uint64(len(v))}, nil
|
||||
}
|
||||
func (m *memKV) Update(_ context.Context, key string, value []byte, revision uint64) (uint64, error) {
|
||||
if uint64(len(m.values[key])) != revision {
|
||||
return 0, errors.New("wrong last sequence")
|
||||
}
|
||||
m.values[key] = value
|
||||
return uint64(len(value)), nil
|
||||
}
|
||||
|
||||
// memStore is the runtime's states for the put's tools, over the same memKVs a pass writes.
|
||||
type memStore map[string]*memKV
|
||||
|
||||
func (s memStore) get(state, key string) ([]byte, uint64, bool, error) {
|
||||
v, ok := s[state].values[key]
|
||||
return v, uint64(len(v)), ok, nil
|
||||
}
|
||||
func (s memStore) put(state, key string, value []byte) error {
|
||||
s[state].values[key] = value
|
||||
return nil
|
||||
}
|
||||
func (s memStore) keys(state string) ([]string, error) {
|
||||
var out []string
|
||||
for k := range s[state].values {
|
||||
out = append(out, k)
|
||||
}
|
||||
return out, nil
|
||||
}
|
||||
|
||||
// fakeBus is the assigner's process account in a test: every call recorded, each answered at once.
|
||||
type fakeBus struct {
|
||||
calls chan string
|
||||
events []string
|
||||
}
|
||||
|
||||
func (b *fakeBus) Call(key string, body any) (json.RawMessage, error) {
|
||||
b.calls <- fmt.Sprintf("%s %v", key, body)
|
||||
return json.RawMessage(`{"ok":true,"output":""}`), nil
|
||||
}
|
||||
func (b *fakeBus) CallOn(node, key string, body any) (json.RawMessage, error) {
|
||||
return b.Call(node+"/"+key, body)
|
||||
}
|
||||
func (b *fakeBus) Emit(eventType string, body any) error {
|
||||
b.events = append(b.events, fmt.Sprintf("%s %+v", eventType, body))
|
||||
return nil
|
||||
}
|
||||
|
||||
// ADR 0546, the first put (2026-10-25, want.novox.nats): the tool writes the put; a pass waits for the composition and grant
|
||||
// the controller's take-in writes; once they are there it asks the operator with a yes that approves; only on that warrant does it have
|
||||
// the streams snapshotted, then writes the want held and records the warrant; the have running it healthy holds it; a release
|
||||
// gives the want back to the rules. Each step is said as the event put.
|
||||
func putOfTheBus(t *testing.T) {
|
||||
ctx := context.Background()
|
||||
now := time.Date(2026, 10, 25, 22, 0, 0, 0, time.UTC)
|
||||
fp := delivery.SourcePrefix2 + "fd497ab8" + strings.Repeat("0", 56)
|
||||
digest := "sha256:" + strings.Repeat("d", 64)
|
||||
mem := func() *memKV { return &memKV{values: map[string][]byte{}} }
|
||||
puts, asksKV, wantsKV := mem(), mem(), mem()
|
||||
kvs := buckets{delivery.AssignerPutsBucket: puts, delivery.AssignerAsksBucket: asksKV, delivery.AssignerWantsBucket: wantsKV}
|
||||
p := newPasser(kvs, now)
|
||||
bus := &fakeBus{calls: make(chan string, 8)}
|
||||
woke := make(chan struct{}, 8) // each act's goroutine wakes a pass once it is done
|
||||
p.acts = newPutActs(bus, func() { woke <- struct{}{} }, func(string, ...any) {})
|
||||
p.acts.snapshot = func(context.Context, string, string) (string, error) {
|
||||
return "novox's restore point of nats (streams) taken 22:01", nil
|
||||
}
|
||||
// The world: nats assigned to novox, built at fp, the bus by its manifest, novox running it from before the switch.
|
||||
world := func(bucket, key string, v any) {
|
||||
var data []byte
|
||||
switch x := v.(type) {
|
||||
case []byte:
|
||||
data = x
|
||||
default:
|
||||
data, _ = json.Marshal(x)
|
||||
}
|
||||
p.w.put(bucket, key, data)
|
||||
}
|
||||
world(provider.AssignmentsBucket, "novox.nats", map[string]string{"node": "novox", "module": "nats"})
|
||||
mdigest := strings.Repeat("e", 64)
|
||||
mod, _ := delivery.EncodeModule(delivery.Module{FP2: fp, Manifest: mdigest, Repository: "novox/mesh-catalog", Commit: strings.Repeat("c", 40)})
|
||||
world(delivery.ModulesBucket, "nats", mod)
|
||||
p.w.manifests[mdigest] = parsed{module: "nats", manifest: catalogue.Manifest{Module: "nats", Provides: []catalogue.Offer{{Name: "mesh-bus"}}}}
|
||||
bkey, _ := delivery.BuilderBuildKey("nats", fp)
|
||||
built, _ := delivery.EncodeBuilderBuild(delivery.BuilderBuild{State: delivery.BuildDone, Manifest: mdigest})
|
||||
world(delivery.BuilderBuildsBucket, bkey, built)
|
||||
hkey, _ := delivery.HaveKey("novox", "nats")
|
||||
before, _ := delivery.EncodeHave(delivery.Have{FP: delivery.SourcePrefix2 + strings.Repeat("a", 64), Phase: delivery.PhaseRunning, Health: delivery.HealthOK})
|
||||
world(delivery.HaveBucket, hkey, before)
|
||||
|
||||
builds := mem()
|
||||
builds.values[bkey] = built
|
||||
modules := mem()
|
||||
modules.values["nats"] = mod
|
||||
s := newPutTools(memStore{putsState: puts, delivery.BuilderModule + ".builds": builds, delivery.IndexerModule + ".modules": modules})
|
||||
s.now = func() time.Time { return now }
|
||||
was := answerWithin
|
||||
answerWithin = 0
|
||||
defer func() { answerWithin = was }()
|
||||
if _, err := s.doPut(map[string]any{"node": "novox", "module": "nats", "version": "fd497ab8ffff", "why": "x"}, "shanks.node-tools"); err == nil {
|
||||
t.Error("a prefix of a fingerprint the builder never built was taken")
|
||||
}
|
||||
if got, err := s.version("nats", "fd497ab80000"); err != nil || got != fp {
|
||||
t.Errorf("the prefix of the fingerprint built reads %q, %v", got, err)
|
||||
}
|
||||
if got, err := s.version("nats", "newest"); err != nil || got != fp {
|
||||
t.Errorf("newest reads %q, %v", got, err)
|
||||
}
|
||||
ans, err := s.doPut(map[string]any{"node": "novox", "module": "nats", "version": fp, "hold": "true", "why": "the bus's user list"}, "shanks.node-tools")
|
||||
if err != nil {
|
||||
t.Fatal(err)
|
||||
}
|
||||
if a := ans.(putAnswer); a.Step != delivery.PutAsked || !a.Hold || !strings.Contains(a.Follow, "mesh_wait") {
|
||||
t.Fatalf("put answered %+v", a)
|
||||
}
|
||||
pkey, _ := delivery.PutKey("novox", "nats")
|
||||
step := func() delivery.Put {
|
||||
t.Helper()
|
||||
world(delivery.AssignerPutsBucket, pkey, puts.values[pkey])
|
||||
p.pass(ctx)
|
||||
got, err := delivery.DecodePut(puts.values[pkey])
|
||||
if err != nil {
|
||||
t.Fatal(err)
|
||||
}
|
||||
return got
|
||||
}
|
||||
if got := step(); got.Step != delivery.PutCompose || !strings.Contains(got.Words, "no composition") {
|
||||
t.Fatalf("the first pass left the put at %s: %s", got.Step, got.Words)
|
||||
}
|
||||
select {
|
||||
case call := <-bus.calls:
|
||||
t.Errorf("a put asked %q: it reads the compositions and asks nobody for one", call)
|
||||
default:
|
||||
}
|
||||
ckey, _ := delivery.ComposedKey("novox", "nats", fp)
|
||||
cd, _ := delivery.EncodeComposedDigest(delivery.ComposedDigest{Digest: digest, Judgement: delivery.JudgedCannot, Words: "the have names no composition"})
|
||||
world(delivery.ControllerComposedBucket, ckey, cd)
|
||||
gkey, _ := delivery.ControllerGrantKey("nats", fp)
|
||||
g, _ := delivery.EncodeControllerGrant(delivery.ControllerGrant{})
|
||||
world(delivery.ControllerGrantsBucket, gkey, g)
|
||||
got := step()
|
||||
akey, _ := delivery.RecordAskKey("novox", "nats", digest)
|
||||
if got.Step != delivery.PutPerson || got.Ask != akey {
|
||||
t.Fatalf("composed, the put stands at %s (%s), ask %q", got.Step, got.Words, got.Ask)
|
||||
}
|
||||
a, err := delivery.DecodeAssignerAsk(akey, asksKV.values[akey])
|
||||
if err != nil || a.Ask.Options[0].Level != asks.Approve {
|
||||
t.Fatalf("the ask is %+v, %v; want a yes that approves", a, err)
|
||||
}
|
||||
if _, there := wantsKV.values["want.novox.nats"]; there {
|
||||
t.Fatal("the bus's want was written before the operator's warrant")
|
||||
}
|
||||
world(delivery.AssignerAsksBucket, akey, asksKV.values[akey])
|
||||
yes, _ := delivery.EncodeAnswer(delivery.Answer{Option: assign.OptionYes, Warrant: a.Ask.ID + "@2026-10-25T22:01:00Z", Words: "the operator, verified"})
|
||||
world(delivery.AnswersBucket, akey, yes)
|
||||
if got := step(); got.Step != delivery.PutSnapshot {
|
||||
t.Fatalf("on the warrant the put stands at %s: %s", got.Step, got.Words)
|
||||
}
|
||||
<-woke
|
||||
got = step()
|
||||
w, err := delivery.DecodeWant(wantsKV.values["want.novox.nats"])
|
||||
if got.Step != delivery.PutWanted || err != nil || w.FP != fp || w.Composed != digest || !w.Put || !w.Hold {
|
||||
t.Fatalf("snapshotted, the put stands at %s (%s); the want %+v, %v", got.Step, got.Words, w, err)
|
||||
}
|
||||
if call := <-bus.calls; !strings.Contains(call, "warranted") || !strings.Contains(call, a.Ask.ID) {
|
||||
t.Errorf("the warrant was recorded as %q", call)
|
||||
}
|
||||
world(delivery.AssignerWantsBucket, "want.novox.nats", wantsKV.values["want.novox.nats"])
|
||||
running, _ := delivery.EncodeHave(delivery.Have{FP: fp, Composed: digest, Phase: delivery.PhaseRunning, Health: delivery.HealthOK})
|
||||
world(delivery.HaveBucket, hkey, running)
|
||||
if got := step(); got.Step != delivery.PutHolding {
|
||||
t.Fatalf("running healthy, the put stands at %s: %s", got.Step, got.Words)
|
||||
}
|
||||
if _, err := s.doRelease(map[string]any{"node": "novox", "module": "nats", "why": "done"}, "shanks.node-tools"); err != nil {
|
||||
t.Fatal(err)
|
||||
}
|
||||
if got := step(); got.Step != delivery.PutReleased {
|
||||
t.Fatalf("released, the put stands at %s", got.Step)
|
||||
}
|
||||
listed, _ := s.doPuts(map[string]any{"module": "nats"})
|
||||
if l := listed.(map[string]any)["puts"].([]putAnswer); len(l) != 1 || l[0].Step != delivery.PutReleased || len(l[0].Steps) < 6 {
|
||||
t.Errorf("puts lists %+v", l)
|
||||
}
|
||||
if len(bus.events) < 5 || !strings.Contains(strings.Join(bus.events, "\n"), "holding") {
|
||||
t.Errorf("the steps said as events: %v", bus.events)
|
||||
}
|
||||
// The same bus put again at the same composition after the release is its own asking: its ask is written again under an
|
||||
// id of its own, and the earlier yes, still at the answers' key, does not count for it (ADR 0546 clause 8).
|
||||
world(delivery.HaveBucket, hkey, before)
|
||||
s.now = func() time.Time { return now.Add(time.Minute) }
|
||||
if _, err := s.doPut(map[string]any{"node": "novox", "module": "nats", "version": fp, "hold": "true", "why": "again"}, "shanks.node-tools"); err != nil {
|
||||
t.Fatal(err)
|
||||
}
|
||||
again := step()
|
||||
a2, err := delivery.DecodeAssignerAsk(akey, asksKV.values[akey])
|
||||
if again.Step != delivery.PutPerson || err != nil || a2.Ask.ID == a.Ask.ID {
|
||||
t.Fatalf("put again, it stands at %s (%s); its ask %q, %v; the first ask was %q", again.Step, again.Words, a2.Ask.ID, err, a.Ask.ID)
|
||||
}
|
||||
world(delivery.AssignerAsksBucket, akey, asksKV.values[akey])
|
||||
yes2, _ := delivery.EncodeAnswer(delivery.Answer{Option: assign.OptionYes, Warrant: a2.Ask.ID + "@2026-10-25T22:03:00Z", Words: "the operator, verified"})
|
||||
world(delivery.AnswersBucket, akey, yes2)
|
||||
if got := step(); got.Step != delivery.PutSnapshot {
|
||||
t.Fatalf("on the second warrant the put stands at %s: %s", got.Step, got.Words)
|
||||
}
|
||||
<-woke
|
||||
// Released between the pass's read and its write: the pass writes no want for the put that no longer stands.
|
||||
oldWant, _ := delivery.EncodeWant(delivery.Want{FP: delivery.SourcePrefix2 + strings.Repeat("a", 64)})
|
||||
wantsKV.values["want.novox.nats"] = oldWant
|
||||
world(delivery.AssignerWantsBucket, "want.novox.nats", oldWant)
|
||||
if _, err := s.doRelease(map[string]any{"node": "novox", "module": "nats", "why": "changed my mind"}, "shanks.node-tools"); err != nil {
|
||||
t.Fatal(err)
|
||||
}
|
||||
p.pass(ctx)
|
||||
if string(wantsKV.values["want.novox.nats"]) != string(oldWant) {
|
||||
t.Errorf("a want was written for a put released meanwhile: %s", wantsKV.values["want.novox.nats"])
|
||||
}
|
||||
}
|
||||
|
||||
// 1945/AC21: given a module on neither list on a node, when passes follow, then the assigner raises its condition once, says it
|
||||
// again after a say that failed, and clears it once when the module has a want again; a module on neither list is also written to
|
||||
// the journal, so it is loud with no operator channel.
|
||||
func TestAModuleOnNeitherListIsRaisedOnceAndClearedOnce(t *testing.T) {
|
||||
p := newPasser(buckets{}, time.Date(2026, 10, 25, 15, 0, 0, 0, time.UTC))
|
||||
var said []asks.Condition
|
||||
failing := true
|
||||
p.say = func(c asks.Condition) error {
|
||||
if failing {
|
||||
failing = false
|
||||
return errors.New("the channel is away")
|
||||
}
|
||||
said = append(said, c)
|
||||
return nil
|
||||
}
|
||||
var logged []string
|
||||
p.logf = func(f string, a ...any) { logged = append(logged, fmt.Sprintf(f, a...)) }
|
||||
one := map[string]neitherOne{"g14.screen-lock": {node: "g14", module: "screen-lock",
|
||||
holding: assign.Holding{Rule: delivery.RuleProviders, Words: "no provider of x11-display runs healthy on g14 or at its canary"}}}
|
||||
p.sayNeither(one, nil) // the say fails
|
||||
p.sayNeither(one, nil)
|
||||
p.sayNeither(one, nil)
|
||||
if len(said) != 1 || said[0].State != asks.StateRaised || said[0].Subject.Machine != "g14" || said[0].Subject.ID != "screen-lock" {
|
||||
t.Fatalf("said = %+v, want one raised condition of screen-lock on g14", said)
|
||||
}
|
||||
if !strings.Contains(strings.Join(logged, "\n"), "screen-lock") {
|
||||
t.Errorf("the journal does not name the module on neither list: %q", logged)
|
||||
}
|
||||
p.sayNeither(map[string]neitherOne{}, nil)
|
||||
p.sayNeither(map[string]neitherOne{}, nil)
|
||||
if len(said) != 2 || said[1].State != asks.StateCleared || said[1].Key != said[0].Key {
|
||||
t.Errorf("said = %+v, want the condition cleared once under its key", said)
|
||||
}
|
||||
}
|
||||
|
||||
// 1945/AC21: the pass gathers the modules on neither list of every module's outcome, keyed by node and module.
|
||||
func TestThePassGathersTheModulesOnNeitherList(t *testing.T) {
|
||||
got := map[string]neitherOne{}
|
||||
gatherNeither(got, "screen-lock", assign.Outcome{Neither: map[string]assign.Holding{"g14": {Rule: delivery.RuleGrant, Words: "w"}}})
|
||||
gatherNeither(got, "rofi", assign.Outcome{})
|
||||
if len(got) != 1 || got["g14.screen-lock"].node != "g14" || got["g14.screen-lock"].module != "screen-lock" || got["g14.screen-lock"].holding.Rule != delivery.RuleGrant {
|
||||
t.Errorf("gathered = %+v", got)
|
||||
}
|
||||
// 1945 (a first want held back silently): the journal says why a node gets no want when the reason appears or changes, and
|
||||
// when it has a want again: one line per change, not per pass.
|
||||
p := newPasser(buckets{}, time.Date(2026, 10, 25, 21, 30, 0, 0, time.UTC))
|
||||
var logged []string
|
||||
p.logf = func(f string, a ...any) { logged = append(logged, fmt.Sprintf(f, a...)) }
|
||||
notDone := assign.Outcome{Rules: map[string]assign.Holding{"shanks": {Rule: delivery.RuleBuildDone, Words: "the build of rofi at 4e7b118e is not done"}}}
|
||||
wanted := assign.Outcome{Wants: map[string]delivery.Want{"shanks": {FP: fpTest, Composed: "sha256:" + strings.Repeat("c", 64)}}}
|
||||
for i, c := range []struct {
|
||||
before map[string]delivery.Want
|
||||
out assign.Outcome
|
||||
line string // the line said in this pass, "" for none
|
||||
}{
|
||||
{nil, notDone, "rofi on shanks gets no want: rule 1: the build of rofi at 4e7b118e is not done"},
|
||||
{nil, notDone, ""},
|
||||
{map[string]delivery.Want{"shanks": {Removed: true}}, notDone, ""},
|
||||
{nil, assign.Outcome{Rules: map[string]assign.Holding{"shanks": {Rule: delivery.RuleGrant, Words: "no credential"}}}, "rofi on shanks gets no want: rule 6: no credential"},
|
||||
{nil, wanted, "rofi on shanks has a want"},
|
||||
{map[string]delivery.Want{"shanks": wanted.Wants["shanks"]}, assign.Outcome{}, ""},
|
||||
} {
|
||||
logged = nil
|
||||
p.sayNoWant("rofi", []string{"shanks"}, c.before, c.out)
|
||||
if got := strings.Join(logged, "\n"); got != c.line {
|
||||
t.Errorf("pass %d said %q, want %q", i, got, c.line)
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
// A neither or held condition a previous process raised is cleared by the first pass after a start: a fresh pass remembers
|
||||
// nothing it said, so it clears, once, the neither condition of every assigned module not on neither list and the held condition of
|
||||
// every module that is not held. Clearing a condition that is not open is quiet at the router.
|
||||
func TestTheFirstPassAfterAStartClearsWhatAPreviousProcessRaised(t *testing.T) {
|
||||
wantsKV := &memKV{values: map[string][]byte{}}
|
||||
p := newPasser(buckets{delivery.AssignerWantsBucket: wantsKV, delivery.AssignerAsksBucket: &memKV{values: map[string][]byte{}}}, time.Now())
|
||||
var said []asks.Condition
|
||||
p.say = func(c asks.Condition) error { said = append(said, c); return nil }
|
||||
mod, _ := delivery.EncodeModule(delivery.Module{FP2: fpTest, Repository: "novox/web", Commit: strings.Repeat("1", 40), Path: delivery.RootPath})
|
||||
p.w.put(delivery.ModulesBucket, "web", mod)
|
||||
p.w.put(provider.AssignmentsBucket, "g14.web", []byte(`{"node":"g14","module":"web","build":"b-1"}`))
|
||||
on, _ := delivery.EncodePresence(delivery.Presence{Online: true})
|
||||
p.w.put(delivery.PresenceBucket, "g14", on)
|
||||
have, _ := delivery.EncodeHave(delivery.Have{FP: fpTest, Phase: delivery.PhaseRunning, Health: delivery.HealthOK})
|
||||
p.w.put(delivery.HaveBucket, "g14.web", have)
|
||||
key, _ := delivery.WantKey("g14", "web")
|
||||
want, _ := delivery.EncodeWant(delivery.Want{FP: fpTest, Composed: "sha256:" + strings.Repeat("c", 64)})
|
||||
p.w.put(delivery.AssignerWantsBucket, key, want)
|
||||
p.wants(context.Background())
|
||||
cleared := map[string]bool{}
|
||||
for _, c := range said {
|
||||
if c.State != asks.StateCleared {
|
||||
t.Errorf("the first pass raised %+v", c)
|
||||
}
|
||||
cleared[c.Key] = true
|
||||
}
|
||||
neither := assign.NeitherCondition("g14", "web", assign.Holding{}, false).Key
|
||||
held := assign.HeldCondition("web", fpTest, "", "", false, false).Key
|
||||
if !cleared[neither] || !cleared[held] {
|
||||
t.Errorf("cleared = %v, want %s and %s", cleared, neither, held)
|
||||
}
|
||||
n := len(said)
|
||||
p.wants(context.Background())
|
||||
if len(said) != n {
|
||||
t.Errorf("a second pass said again: %+v", said[n:])
|
||||
}
|
||||
}
|
||||
|
||||
// 1945/AC24: given a module held at F under rule 2 on a node that runs it with no want, when the assigner passes, then it raises no
|
||||
// neither condition for it, a neither condition this process raised for it before is cleared, and so is one a previous process
|
||||
// raised (the first pass after a start), each once.
|
||||
func TestAHeldModuleRaisesNoNeitherAndClearsAStandingOne(t *testing.T) {
|
||||
setup := func() (*passer, *[]asks.Condition) {
|
||||
p := newPasser(buckets{delivery.AssignerWantsBucket: &memKV{values: map[string][]byte{}}, delivery.AssignerAsksBucket: &memKV{values: map[string][]byte{}}}, time.Now())
|
||||
said := &[]asks.Condition{}
|
||||
p.say = func(c asks.Condition) error { *said = append(*said, c); return nil }
|
||||
mod, _ := delivery.EncodeModule(delivery.Module{FP2: fpTest, Repository: "novox/resolved", Commit: strings.Repeat("1", 40), Path: delivery.RootPath})
|
||||
p.w.put(delivery.ModulesBucket, "systemd-resolved", mod)
|
||||
p.w.put(provider.AssignmentsBucket, "shanks.systemd-resolved", []byte(`{"node":"shanks","module":"systemd-resolved","build":"b-1"}`))
|
||||
on, _ := delivery.EncodePresence(delivery.Presence{Online: true})
|
||||
p.w.put(delivery.PresenceBucket, "shanks", on)
|
||||
have, _ := delivery.EncodeHave(delivery.Have{FP: fpTest, Phase: delivery.PhaseRunning, Health: delivery.HealthFailed})
|
||||
p.w.put(delivery.HaveBucket, "shanks.systemd-resolved", have)
|
||||
hkey, _ := delivery.HeldKey("systemd-resolved", fpTest)
|
||||
held, _ := delivery.EncodeHeld(delivery.Held{Node: "shanks", Words: "health failed"})
|
||||
p.w.put(delivery.AssignerWantsBucket, hkey, held)
|
||||
return p, said
|
||||
}
|
||||
key := assign.NeitherCondition("shanks", "systemd-resolved", assign.Holding{}, false).Key
|
||||
neithers := func(said []asks.Condition) (raised, cleared int) {
|
||||
for _, c := range said {
|
||||
if c.Key != key {
|
||||
continue
|
||||
}
|
||||
if c.State == asks.StateRaised {
|
||||
raised++
|
||||
} else {
|
||||
cleared++
|
||||
}
|
||||
}
|
||||
return
|
||||
}
|
||||
// a standing neither this process raised
|
||||
p, said := setup()
|
||||
p.neither = map[string]neitherOne{"shanks.systemd-resolved": {node: "shanks", module: "systemd-resolved", holding: assign.Holding{Rule: delivery.RuleNotHeld}}}
|
||||
p.wants(context.Background())
|
||||
p.wants(context.Background())
|
||||
if r, c := neithers(*said); r != 0 || c != 1 {
|
||||
t.Errorf("standing in this process: %d raised, %d cleared, want 0 and 1: %+v", r, c, *said)
|
||||
}
|
||||
// one a previous process raised: the first pass after a start clears it
|
||||
p, said = setup()
|
||||
p.wants(context.Background())
|
||||
p.wants(context.Background())
|
||||
if r, c := neithers(*said); r != 0 || c != 1 {
|
||||
t.Errorf("after a start: %d raised, %d cleared, want 0 and 1: %+v", r, c, *said)
|
||||
}
|
||||
}
|
||||
|
||||
// 1906 note 28: an ask outlives its fingerprint. Each pass takes away the hold, restore and record asks of a module whose
|
||||
// fingerprint (or composition) is not the trunk's now, or whose module left the trunk; a trunk not read takes nothing away; a
|
||||
// backup ask is left; and a lift takes the restore asks of its fingerprint on every node.
|
||||
func TestAsksOfAFingerprintTheTrunkLeftBehindAreTakenAway(t *testing.T) {
|
||||
fpOld, fpNew := delivery.SourcePrefix2+strings.Repeat("a", 64), delivery.SourcePrefix2+strings.Repeat("c", 64)
|
||||
digOld, digNew := "sha256:"+strings.Repeat("d", 64), "sha256:"+strings.Repeat("e", 64)
|
||||
trunkOf := func(fp string) map[string]delivery.Module {
|
||||
return map[string]delivery.Module{"web": {FP2: fp, Manifest: "sha256:" + strings.Repeat("1", 64), Repository: "novox/web", Commit: strings.Repeat("1", 40), Path: delivery.RootPath}}
|
||||
}
|
||||
type ask struct{ name, key string }
|
||||
holdOld, _ := delivery.HoldAskKey("web", fpOld)
|
||||
holdNew, _ := delivery.HoldAskKey("web", fpNew)
|
||||
holdGone, _ := delivery.HoldAskKey("gone", fpOld)
|
||||
restOld, _ := delivery.RestoreAskKey("novox", "web", fpOld)
|
||||
restNew, _ := delivery.RestoreAskKey("novox", "web", fpNew)
|
||||
recOld, _ := delivery.RecordAskKey("novox", "web", digOld)
|
||||
recNew, _ := delivery.RecordAskKey("novox", "web", digNew)
|
||||
backOld, _ := delivery.BackupAskKey("novox", "web", fpOld)
|
||||
all := []string{holdOld, holdNew, holdGone, restOld, restNew, recOld, recNew, backOld}
|
||||
for _, c := range []struct {
|
||||
name string
|
||||
trunk map[string]delivery.Module
|
||||
gone []string // the keys taken away
|
||||
noDigit bool // the controller's composition is not read
|
||||
heldAt string // the node's want is at this fingerprint, whose composition is digOld
|
||||
}{
|
||||
{"the trunk moved on", trunkOf(fpNew), []string{holdOld, holdGone, restOld, recOld}, false, ""},
|
||||
{"the trunk is at the old fingerprint", trunkOf(fpOld), []string{holdNew, holdGone, restNew, recOld}, false, ""},
|
||||
{"the trunk's fingerprint is not read yet", trunkOf(""), []string{holdGone}, false, ""},
|
||||
{"the composition is not read yet", trunkOf(fpNew), []string{holdOld, holdGone, restOld}, true, ""},
|
||||
{"a node held back at the old fingerprint is still asked about its composition", trunkOf(fpNew), []string{holdOld, holdGone, restOld}, false, fpOld},
|
||||
{"the trunk is not read at all", nil, nil, false, ""},
|
||||
} {
|
||||
t.Run(c.name, func(t *testing.T) {
|
||||
asksKV, wantsKV := &memKV{values: map[string][]byte{}}, &memKV{values: map[string][]byte{}}
|
||||
p := newPasser(buckets{delivery.AssignerAsksBucket: asksKV, delivery.AssignerWantsBucket: wantsKV}, time.Now())
|
||||
var said []asks.Condition
|
||||
p.say = func(c asks.Condition) error { said = append(said, c); return nil }
|
||||
for _, key := range all {
|
||||
k, _ := delivery.ParseAnyAskKey(key)
|
||||
var a delivery.AssignerAsk
|
||||
switch k.Kind {
|
||||
case delivery.AskKindHold:
|
||||
a = assign.HoldAsk(key, k.Module, k.FP, "novox", "w", 1, time.Now())
|
||||
case delivery.AskKindRestore:
|
||||
a = assign.RestoreAsk(key, k.Node, k.Module, k.FP, "w", time.Now())
|
||||
case delivery.AskKindRecord:
|
||||
a = assign.RecordAsk(key, k.Node, k.Module, fpNew, assign.RecordNeed{Node: k.Node, Digest: k.Composed}, time.Now())
|
||||
default:
|
||||
a = assign.BackupAsk(key, k.Node, k.Module, k.FP, digOld, "w", 2, time.Now())
|
||||
}
|
||||
v, err := delivery.EncodeAssignerAsk(key, a)
|
||||
if err != nil {
|
||||
t.Fatal(err)
|
||||
}
|
||||
asksKV.values[key] = v
|
||||
p.w.put(delivery.AssignerAsksBucket, key, v)
|
||||
}
|
||||
if !c.noDigit {
|
||||
ckey, _ := delivery.ComposedKey("novox", "web", fpNew)
|
||||
v, _ := delivery.EncodeComposedDigest(delivery.ComposedDigest{Digest: digNew, Judgement: delivery.JudgedUnchanged})
|
||||
p.w.put(delivery.ControllerComposedBucket, ckey, v)
|
||||
okey, _ := delivery.ComposedKey("novox", "web", fpOld)
|
||||
old, _ := delivery.EncodeComposedDigest(delivery.ComposedDigest{Digest: digNew, Judgement: delivery.JudgedUnchanged})
|
||||
if c.heldAt != "" {
|
||||
old, _ = delivery.EncodeComposedDigest(delivery.ComposedDigest{Digest: digOld, Judgement: delivery.JudgedUnchanged})
|
||||
}
|
||||
p.w.put(delivery.ControllerComposedBucket, okey, old)
|
||||
}
|
||||
if c.heldAt != "" {
|
||||
wkey, _ := delivery.WantKey("novox", "web")
|
||||
w, _ := delivery.EncodeWant(delivery.Want{FP: c.heldAt, Composed: digOld})
|
||||
p.w.put(delivery.AssignerWantsBucket, wkey, w)
|
||||
}
|
||||
heldOld, _ := delivery.HeldKey("web", fpOld)
|
||||
wantsKV.values[heldOld] = []byte("x")
|
||||
p.w.put(delivery.AssignerWantsBucket, heldOld, []byte("x"))
|
||||
firstAsk, _ := delivery.DecodeAssignerAsk(holdOld, asksKV.values[holdOld])
|
||||
p.staleAsks(context.Background(), c.trunk)
|
||||
// the held record and condition of a fingerprint whose hold ask went are taken away with it
|
||||
heldOld, _ = delivery.HeldKey("web", fpOld)
|
||||
_, heldThere := wantsKV.values[heldOld]
|
||||
cleared := slices.ContainsFunc(said, func(c asks.Condition) bool {
|
||||
return c.Key == assign.HeldCondition("web", fpOld, "", "", false, false).Key && c.State == asks.StateCleared
|
||||
})
|
||||
if gone := slices.Contains(c.gone, holdOld); !heldThere || cleared != gone {
|
||||
t.Errorf("hold ask of the old fingerprint gone = %v: its held record stays = %v (must), its condition cleared = %v", gone, heldThere, cleared)
|
||||
}
|
||||
for _, key := range all {
|
||||
_, there := asksKV.values[key]
|
||||
want := !slices.Contains(c.gone, key)
|
||||
if there != want {
|
||||
t.Errorf("%s: left in the bucket = %v, want %v", key, there, want)
|
||||
}
|
||||
}
|
||||
if slices.Contains(c.gone, holdOld) {
|
||||
// the trunk returns to the fingerprint (a revert): the held record still holds it, and it is asked and said again
|
||||
p.now = func() time.Time { return time.Now().Add(time.Hour) }
|
||||
p.holdAsk(context.Background(), "web", fpOld, nil)
|
||||
p.heldCondition(context.Background(), "web", fpOld, nil, false)
|
||||
again, err := delivery.DecodeAssignerAsk(holdOld, asksKV.values[holdOld])
|
||||
raised := slices.ContainsFunc(said, func(c asks.Condition) bool { return c.State == asks.StateRaised })
|
||||
if err != nil || again.Ask.ID == firstAsk.Ask.ID || !raised {
|
||||
t.Errorf("the trunk returned to the held fingerprint: ask %q (first %q, %v), condition raised again = %v", again.Ask.ID, firstAsk.Ask.ID, err, raised)
|
||||
}
|
||||
}
|
||||
})
|
||||
}
|
||||
|
||||
t.Run("a lift takes the restore asks of its fingerprint on every node", func(t *testing.T) {
|
||||
asksKV, wantsKV := &memKV{values: map[string][]byte{}}, &memKV{values: map[string][]byte{}}
|
||||
p := newPasser(buckets{delivery.AssignerAsksBucket: asksKV, delivery.AssignerWantsBucket: wantsKV}, time.Now())
|
||||
keep, _ := delivery.RestoreAskKey("ace", "web", fpNew)
|
||||
keepOther, _ := delivery.RestoreAskKey("ace", "other", fpOld)
|
||||
for _, key := range []string{restOld, mustKey(delivery.RestoreAskKey("ace", "web", fpOld)), keep, keepOther} {
|
||||
asksKV.values[key] = []byte("x")
|
||||
p.w.put(delivery.AssignerAsksBucket, key, []byte("x"))
|
||||
}
|
||||
p.lift(context.Background(), "web", fpOld)
|
||||
for key, gone := range map[string]bool{restOld: true, mustKey(delivery.RestoreAskKey("ace", "web", fpOld)): true, keep: false, keepOther: false} {
|
||||
if _, there := asksKV.values[key]; there == gone {
|
||||
t.Errorf("%s: left in the bucket = %v after the lift", key, there)
|
||||
}
|
||||
}
|
||||
})
|
||||
}
|
||||
|
||||
func mustKey(key string, err error) string {
|
||||
if err != nil {
|
||||
panic(err)
|
||||
}
|
||||
return key
|
||||
}
|
||||
|
||||
// 1906 note 28, review: a node held back at an earlier fingerprint is asked about the revised composition of that fingerprint
|
||||
// (ADR 0545). That record ask is not about the trunk's fingerprint: it survives every pass, so the operator is asked, and on a
|
||||
// yes the want names the revised digest.
|
||||
func TestARecordAskOfAHeldBackNodeSurvivesPassesAndItsYesMovesTheWant(t *testing.T) {
|
||||
fpOld := delivery.SourcePrefix2 + strings.Repeat("a", 64)
|
||||
revised, was := "sha256:"+strings.Repeat("e", 64), "sha256:"+strings.Repeat("d", 64)
|
||||
asksKV, wantsKV := &memKV{values: map[string][]byte{}}, &memKV{values: map[string][]byte{}}
|
||||
p := newPasser(buckets{delivery.AssignerAsksBucket: asksKV, delivery.AssignerWantsBucket: wantsKV}, time.Now())
|
||||
p.logf = t.Logf
|
||||
put := func(bucket, key string, v []byte) { p.w.put(bucket, key, v) }
|
||||
mod, _ := delivery.EncodeModule(delivery.Module{FP2: fpTest, Repository: "novox/web", Commit: strings.Repeat("1", 40), Path: delivery.RootPath})
|
||||
put(delivery.ModulesBucket, "web", mod) // the trunk's build is not done: rule 1 holds g14 back at fpOld
|
||||
put(provider.AssignmentsBucket, "g14.web", []byte(`{"node":"g14","module":"web","build":"b-1"}`))
|
||||
on, _ := delivery.EncodePresence(delivery.Presence{Online: true})
|
||||
put(delivery.PresenceBucket, "g14", on)
|
||||
have, _ := delivery.EncodeHave(delivery.Have{FP: fpOld, Phase: delivery.PhaseRunning, Health: delivery.HealthOK})
|
||||
put(delivery.HaveBucket, "g14.web", have)
|
||||
wkey, _ := delivery.WantKey("g14", "web")
|
||||
want, _ := delivery.EncodeWant(delivery.Want{FP: fpOld, Composed: was})
|
||||
wantsKV.values[wkey] = want
|
||||
put(delivery.AssignerWantsBucket, wkey, want)
|
||||
ckey, _ := delivery.ComposedKey("g14", "web", fpOld)
|
||||
cd, cerr := delivery.EncodeComposedDigest(delivery.ComposedDigest{Digest: revised, Judgement: delivery.JudgedRecreates, Policy: delivery.PolicyRecord, PolicyFrom: "default", Against: was, Words: "recreates"})
|
||||
if cerr != nil {
|
||||
t.Fatal(cerr)
|
||||
}
|
||||
put(delivery.ControllerComposedBucket, ckey, cd)
|
||||
tkey, _ := delivery.ComposedKey("g14", "web", fpTest) // the trunk's own composition, another digest than the revised one
|
||||
tcd, _ := delivery.EncodeComposedDigest(delivery.ComposedDigest{Digest: "sha256:" + strings.Repeat("f", 64), Judgement: delivery.JudgedUnchanged})
|
||||
put(delivery.ControllerComposedBucket, tkey, tcd)
|
||||
akey, _ := delivery.RecordAskKey("g14", "web", revised)
|
||||
for i := 0; i < 2; i++ {
|
||||
p.wants(context.Background())
|
||||
if _, there := asksKV.values[akey]; !there {
|
||||
t.Fatalf("pass %d: the record ask of the held-back node is not there", i+1)
|
||||
}
|
||||
}
|
||||
a, err := delivery.DecodeAssignerAsk(akey, asksKV.values[akey])
|
||||
if err != nil {
|
||||
t.Fatal(err)
|
||||
}
|
||||
yes, _ := delivery.EncodeAnswer(delivery.Answer{Option: assign.OptionYes, Warrant: a.Ask.ID + "@2026-10-26T01:00:00Z", Words: "the operator"})
|
||||
put(delivery.AnswersBucket, akey, yes)
|
||||
p.wants(context.Background())
|
||||
got, err := delivery.DecodeWant(wantsKV.values[wkey])
|
||||
if err != nil || got.FP != fpOld || got.Composed != revised {
|
||||
t.Errorf("after the yes the want is %+v (%v), want it at %s naming %s", got, err, fpOld, revised)
|
||||
}
|
||||
if _, there := asksKV.values[akey]; !there {
|
||||
t.Error("the answered record ask was taken away")
|
||||
}
|
||||
}
|
||||
@@ -1,449 +0,0 @@
|
||||
package main
|
||||
|
||||
import (
|
||||
"context"
|
||||
"encoding/json"
|
||||
"errors"
|
||||
"fmt"
|
||||
"sort"
|
||||
"strings"
|
||||
"sync"
|
||||
"time"
|
||||
|
||||
"git.novox.be/novox/mesh-sdk/go/asks"
|
||||
"git.novox.be/novox/mesh-sdk/go/catalogue"
|
||||
"git.novox.be/novox/mesh-sdk/go/delivery"
|
||||
|
||||
"mesh-delivery-assigner/internal/assign"
|
||||
)
|
||||
|
||||
// The puts (novox/hq ADR 0546): the tool `assigner_put` writes the key `<node>.<module>` of the assigner's puts, and each pass
|
||||
// takes every put that has not ended one step further (assign.StepPut), doing the acts the step asks for: the put's ask, the
|
||||
// bus's snapshot, the warranted record. Each act's outcome is heard back as a change of the world (the composition, the grant,
|
||||
// the answer) or, for the calls, as a wake once they answer; nothing polls but the snapshot's read-back of the backup holder,
|
||||
// as the controller's bus step reads it (ADR 0235), bounded. Every step is said as the event mesh-delivery-assigner.put, so a
|
||||
// caller waits on it.
|
||||
|
||||
// PutEvent is the event a put's every step is said as: mesh.mod.mesh-delivery-assigner.event.put.
|
||||
const PutEvent = "put"
|
||||
|
||||
// caller is what the puts need of the bus as the assigner's own process account: a call of a seat's verb, on one node or on
|
||||
// the seat held once, and an event said. process.Conn, or a test's.
|
||||
type caller interface {
|
||||
Call(key string, body any) (json.RawMessage, error)
|
||||
CallOn(node, key string, body any) (json.RawMessage, error)
|
||||
Emit(eventType string, body any) error
|
||||
}
|
||||
|
||||
// putActs keeps, by put (its key and when it was asked), what the acts of a put came to while this process runs: a restart
|
||||
// takes the snapshot again, without harm.
|
||||
type putActs struct {
|
||||
mu sync.Mutex
|
||||
bus caller
|
||||
wake func()
|
||||
logf func(string, ...any)
|
||||
snapping map[string]bool
|
||||
snapped map[string]string
|
||||
snapNo map[string]string
|
||||
warranted map[string]bool
|
||||
warrantNo map[string]string
|
||||
said map[string]string
|
||||
// snapshot takes the bus's snapshot on node; a variable so a test takes none.
|
||||
snapshot func(ctx context.Context, node, module string) (string, error)
|
||||
}
|
||||
|
||||
func newPutActs(bus caller, wake func(), logf func(string, ...any)) *putActs {
|
||||
a := &putActs{bus: bus, wake: wake, logf: logf, snapping: map[string]bool{}, snapped: map[string]string{}, snapNo: map[string]string{}, warranted: map[string]bool{}, warrantNo: map[string]string{},
|
||||
said: map[string]string{}}
|
||||
a.snapshot = a.snapshotTheBus
|
||||
return a
|
||||
}
|
||||
|
||||
// identity names one put: its key and when it was asked, so a put asked again under the key is another.
|
||||
func identity(key string, p delivery.Put) string {
|
||||
return key + "@" + p.At.UTC().Format(time.RFC3339Nano)
|
||||
}
|
||||
|
||||
// putsByModule is every put the assigner holds, by module then node.
|
||||
func (p *passer) putsByModule() map[string]map[string]delivery.Put {
|
||||
out := map[string]map[string]delivery.Put{}
|
||||
for key, value := range p.w.read(delivery.AssignerPutsBucket) {
|
||||
node, module, err := delivery.ParsePutKey(key)
|
||||
if err != nil {
|
||||
continue
|
||||
}
|
||||
put, err := delivery.DecodePut(value)
|
||||
if err != nil {
|
||||
p.logf("the put %s cannot be read, and is left: %v", key, err)
|
||||
continue
|
||||
}
|
||||
if out[module] == nil {
|
||||
out[module] = map[string]delivery.Put{}
|
||||
}
|
||||
out[module][node] = put
|
||||
}
|
||||
return out
|
||||
}
|
||||
|
||||
// puts takes every put that has not ended one step further.
|
||||
func (p *passer) puts(ctx context.Context) {
|
||||
if p.acts == nil {
|
||||
return
|
||||
}
|
||||
all := p.putsByModule()
|
||||
if len(all) == 0 {
|
||||
return
|
||||
}
|
||||
assigned, _ := p.w.assigned()
|
||||
trunk := p.w.trunk()
|
||||
get := kvGetter(p.kvs[delivery.ManifestsBucket])
|
||||
wanted := p.w.wantsOf()
|
||||
modules := make([]string, 0, len(all))
|
||||
for m := range all {
|
||||
modules = append(modules, m)
|
||||
}
|
||||
sort.Strings(modules)
|
||||
for _, module := range modules {
|
||||
var manifest catalogue.Manifest
|
||||
if mod, ok := trunk[module]; ok && mod.Manifest != "" {
|
||||
if got := p.w.manifest(ctx, get, mod.Manifest); got.err == "" {
|
||||
manifest = got.manifest
|
||||
}
|
||||
}
|
||||
for node, put := range all[module] {
|
||||
if delivery.PutEnded(put.Step) {
|
||||
continue
|
||||
}
|
||||
key, _ := delivery.PutKey(node, module)
|
||||
id := identity(key, put)
|
||||
world := p.putWorld(node, module, put, manifest, assigned[node])
|
||||
world.Snapshot, world.Snapshotting, world.SnapshotFailed = p.acts.state(id)
|
||||
next := assign.StepPut(world)
|
||||
// A held bus whose user list the rules moved on (ADR 0539 §7): the put follows the composition its want names.
|
||||
if w, ok := wanted[module][node]; ok && w.Put && w.FP == next.Put.FP && w.Composed != "" && w.Composed != next.Put.Composed &&
|
||||
(next.Put.Step == delivery.PutWanted || next.Put.Step == delivery.PutHolding) {
|
||||
if d, _ := p.composedFor(node, module, w.FP); d != nil && d.UserListOnly && d.Digest == w.Composed {
|
||||
next.Put = next.Put.Said(world.Now, next.Put.Step, fmt.Sprintf("the bus's user list changed: the want names composition %s", shortHex(w.Composed)))
|
||||
next.Put.Composed = w.Composed
|
||||
}
|
||||
}
|
||||
// The bus's want is written only for the act the operator's yes bound (ADR 0546 clause 8).
|
||||
if next.Put.Step == delivery.PutWanted && put.Step != delivery.PutWanted && world.Bus && next.Put.Ask != "" {
|
||||
if err := p.performs(next.Put.Ask, assign.PutAct(node, module, next.Put.FP, next.Put.Composed)); err != nil {
|
||||
next = assign.PutNext{Put: next.Put.Said(world.Now, delivery.PutRefused, "the bus's want is not written: "+err.Error())}
|
||||
}
|
||||
}
|
||||
if failed := p.acts.warrantFailed(id); failed != "" && (next.Put.Step == delivery.PutWanted || next.Put.Step == delivery.PutHolding) &&
|
||||
!strings.Contains(next.Put.Words, failed) {
|
||||
next.Put = next.Put.Said(world.Now, next.Put.Step, next.Put.Words+"; "+failed)
|
||||
}
|
||||
p.actOn(ctx, node, module, id, world, next)
|
||||
written := samePut(put, next.Put) || p.writePut(ctx, key, put, next.Put)
|
||||
if !written {
|
||||
continue // released or put again meanwhile: nothing is done for the put that no longer stands
|
||||
}
|
||||
if next.Put.Step == delivery.PutWanted && put.Step != delivery.PutWanted {
|
||||
// The want is written in this pass too, before the next one would: Module.Puts writes the same.
|
||||
if wkey, err := delivery.WantKey(node, module); err == nil {
|
||||
want := assign.PutWant(next.Put)
|
||||
if before, ok := wanted[module][node]; !ok || !delivery.SameWant(normalWant(before), normalWant(want)) {
|
||||
p.put(ctx, delivery.AssignerWantsBucket, wkey, func() ([]byte, error) { return delivery.EncodeWant(want) })
|
||||
}
|
||||
}
|
||||
if next.Warranted {
|
||||
p.acts.warrant(id, delivery.AskingID(next.Put.Ask, assign.PutAsking(next.Put)))
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
func normalWant(w delivery.Want) delivery.Want {
|
||||
w.V = 0
|
||||
return w
|
||||
}
|
||||
|
||||
// putWorld is what one step of a put reads from the world.
|
||||
func (p *passer) putWorld(node, module string, put delivery.Put, manifest catalogue.Manifest, assignedHere []string) assign.PutWorld {
|
||||
w := assign.PutWorld{Node: node, Module: module, Put: put, Now: p.clock(), Bus: catalogue.ProvidesBus(manifest), Newest: p.w.trunk()[module].FP2}
|
||||
for _, m := range assignedHere {
|
||||
if m == module {
|
||||
w.Assigned = true
|
||||
}
|
||||
}
|
||||
if bkey, err := delivery.BuilderBuildKey(module, put.FP); err == nil {
|
||||
if raw := p.w.value(delivery.BuilderBuildsBucket, bkey); raw != nil {
|
||||
if b, err := delivery.DecodeBuilderBuild(raw); err == nil {
|
||||
w.Build, w.BuildWords = b.State, b.Error
|
||||
} else {
|
||||
w.Build = "unreadable: " + err.Error()
|
||||
}
|
||||
}
|
||||
}
|
||||
w.Composed, w.Granted = p.composedFor(node, module, put.FP)
|
||||
if d := w.Composed; d != nil {
|
||||
policy := d.Policy
|
||||
if policy == "" {
|
||||
policy, _, _ = catalogue.DerivedUpgrade(manifest)
|
||||
}
|
||||
w.Recorded = policy == catalogue.PolicyRecord
|
||||
if akey, err := delivery.RecordAskKey(node, module, d.Digest); err == nil && put.Ask == akey {
|
||||
// Only this put's own ask counts: an ask (and its answer) of an earlier put under the same key is another asking.
|
||||
if a, err := delivery.DecodeAssignerAsk(akey, p.w.value(delivery.AssignerAsksBucket, akey)); err == nil && a.Asking == assign.PutAsking(put) {
|
||||
switch {
|
||||
case p.answeredWith(akey, assign.OptionYes):
|
||||
w.Answer = assign.OptionYes
|
||||
case p.answeredWith(akey, assign.OptionNo):
|
||||
w.Answer = assign.OptionNo
|
||||
default:
|
||||
w.AskExpired = !a.Ask.Expires.IsZero() && w.Now.After(a.Ask.Expires)
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
if hkey, err := delivery.HaveKey(node, module); err == nil {
|
||||
if raw := p.w.value(delivery.HaveBucket, hkey); raw != nil {
|
||||
if h, err := delivery.DecodeHave(raw); err == nil {
|
||||
w.Have = &h
|
||||
}
|
||||
}
|
||||
}
|
||||
return w
|
||||
}
|
||||
|
||||
// composedFor is the composition of module for node at fp and whether the grant at fp names the node's accounts: the one
|
||||
// place a put reads them (ADR 0546 clause 4). Today their writer is the controller (mesh-controller_composed and
|
||||
// mesh-controller_grants); when composing and grants move out of the controller into delivery's own parts, this reads them
|
||||
// from their new owner and nothing else changes.
|
||||
func (p *passer) composedFor(node, module, fp string) (*delivery.ComposedDigest, bool) {
|
||||
var out *delivery.ComposedDigest
|
||||
if d, ok := p.w.composed(node, module, fp); ok {
|
||||
out = &d
|
||||
}
|
||||
granted := false
|
||||
if gkey, err := delivery.ControllerGrantKey(module, fp); err == nil {
|
||||
if raw := p.w.value(delivery.ControllerGrantsBucket, gkey); raw != nil {
|
||||
if g, err := delivery.DecodeControllerGrant(raw); err == nil {
|
||||
granted = g.NamesNode(node, module)
|
||||
}
|
||||
}
|
||||
}
|
||||
return out, granted
|
||||
}
|
||||
|
||||
// actOn does the acts a step asks for.
|
||||
func (p *passer) actOn(ctx context.Context, node, module, id string, w assign.PutWorld, next assign.PutNext) {
|
||||
if next.Put.Step == delivery.PutPerson && next.Put.Ask != "" && w.Composed != nil {
|
||||
// The put's own ask, written again over one an earlier put left under the key (its asking differs), so the teller
|
||||
// raises it anew under its own id.
|
||||
akey := next.Put.Ask
|
||||
current, err := delivery.DecodeAssignerAsk(akey, p.w.value(delivery.AssignerAsksBucket, akey))
|
||||
if err != nil || current.Asking != assign.PutAsking(next.Put) {
|
||||
a, err := assign.PutAsk(akey, node, module, next.Put, *w.Composed, w.Bus, w.Now)
|
||||
if err != nil {
|
||||
p.logf("the ask about putting %s on %s is not written: %v", module, node, err)
|
||||
} else {
|
||||
p.put(ctx, delivery.AssignerAsksBucket, akey, func() ([]byte, error) { return delivery.EncodeAssignerAsk(akey, a) })
|
||||
}
|
||||
}
|
||||
}
|
||||
if next.Snapshot {
|
||||
p.acts.snap(ctx, id, node, module)
|
||||
}
|
||||
}
|
||||
|
||||
// performs checks that the act about to be performed is the one the yes of the ask at key bound (asks.Option.Performs).
|
||||
func (p *passer) performs(key string, act asks.Act) error {
|
||||
a, err := delivery.DecodeAssignerAsk(key, p.w.value(delivery.AssignerAsksBucket, key))
|
||||
if err != nil {
|
||||
return fmt.Errorf("the ask %s cannot be read: %w", key, err)
|
||||
}
|
||||
for _, o := range a.Ask.Options {
|
||||
if o.ID == assign.OptionYes {
|
||||
return o.Performs(act)
|
||||
}
|
||||
}
|
||||
return fmt.Errorf("the ask %s offers no yes", key)
|
||||
}
|
||||
|
||||
// samePut says two puts say the same: their step, words and what they found.
|
||||
func samePut(a, b delivery.Put) bool {
|
||||
return a.Step == b.Step && a.Words == b.Words && a.Composed == b.Composed && a.Ask == b.Ask && a.Snapshot == b.Snapshot
|
||||
}
|
||||
|
||||
// writePut writes a put's next value over the one the pass read, by compare-and-set, unless the tool has put again or
|
||||
// released it since; and says it as the event put. It says whether it wrote.
|
||||
func (p *passer) writePut(ctx context.Context, key string, read, next delivery.Put) bool {
|
||||
kv := p.kvs[delivery.AssignerPutsBucket]
|
||||
if kv == nil {
|
||||
return false
|
||||
}
|
||||
e, err := kv.Get(ctx, key)
|
||||
if err != nil {
|
||||
p.logf("the put %s cannot be read again, and is taken further at the next pass: %v", key, err)
|
||||
return false
|
||||
}
|
||||
now, err := delivery.DecodePut(e.Value())
|
||||
if err != nil || !now.At.Equal(read.At) || now.Step != read.Step {
|
||||
return false // asked again or released meanwhile: the next pass reads that
|
||||
}
|
||||
data, err := delivery.EncodePut(next)
|
||||
if err != nil {
|
||||
p.logf("the put %s is not written: %v", key, err)
|
||||
return false
|
||||
}
|
||||
if _, err := kv.Update(ctx, key, data, e.Revision()); err != nil {
|
||||
if !errors.Is(err, context.Canceled) {
|
||||
p.logf("the put %s could not be written, and is taken further at the next pass: %v", key, err)
|
||||
}
|
||||
return false
|
||||
}
|
||||
p.w.put(delivery.AssignerPutsBucket, key, data)
|
||||
p.logf("put %s: %s: %s", key, next.Step, next.Words)
|
||||
p.acts.say(key, next)
|
||||
return true
|
||||
}
|
||||
|
||||
// state is what this process knows of a put's acts.
|
||||
func (a *putActs) state(id string) (snapshot string, snapping bool, snapNo string) {
|
||||
a.mu.Lock()
|
||||
defer a.mu.Unlock()
|
||||
return a.snapped[id], a.snapping[id], a.snapNo[id]
|
||||
}
|
||||
|
||||
// snap has the bus's snapshot taken once for a put, in the background.
|
||||
func (a *putActs) snap(ctx context.Context, id, node, module string) {
|
||||
a.mu.Lock()
|
||||
if a.snapping[id] || a.snapped[id] != "" || a.snapNo[id] != "" {
|
||||
a.mu.Unlock()
|
||||
return
|
||||
}
|
||||
a.snapping[id] = true
|
||||
a.mu.Unlock()
|
||||
go func() {
|
||||
defer a.wake()
|
||||
where, err := a.snapshot(ctx, node, module)
|
||||
a.mu.Lock()
|
||||
defer a.mu.Unlock()
|
||||
a.snapping[id] = false
|
||||
if err != nil {
|
||||
a.snapNo[id] = err.Error()
|
||||
return
|
||||
}
|
||||
a.snapped[id] = where
|
||||
}()
|
||||
}
|
||||
|
||||
// SnapshotWithin is how long the bus node's backup holder is given to take the bus's snapshot (as the controller's bus step).
|
||||
var SnapshotWithin = 15 * time.Minute
|
||||
|
||||
// snapshotLook is how often the backup holder's record is read back while the snapshot is taken.
|
||||
var snapshotLook = 10 * time.Second
|
||||
|
||||
// backedUp is one module as the backup holder's `backed-up` answers it.
|
||||
type backedUp struct {
|
||||
Module string `json:"module"`
|
||||
Data []struct {
|
||||
Item string `json:"item"`
|
||||
LastBackup *time.Time `json:"last_backup"`
|
||||
Error string `json:"error"`
|
||||
} `json:"data"`
|
||||
}
|
||||
|
||||
// snapshotTheBus asks the bus node's backup holder to back the bus module up now, whose dump is the streams' snapshot
|
||||
// (ADR 0235), and reads its record back until it names a backup newer than the ask: where the snapshot is.
|
||||
func (a *putActs) snapshotTheBus(ctx context.Context, node, module string) (string, error) {
|
||||
asked := time.Now()
|
||||
if _, err := a.bus.CallOn(node, "seat:"+catalogue.BackupSeat+".now", map[string]any{"module": module}); err != nil {
|
||||
return "", fmt.Errorf("%s's backup holder was not asked to take the bus's snapshot: %w", node, err)
|
||||
}
|
||||
deadline := asked.Add(SnapshotWithin)
|
||||
for {
|
||||
if raw, err := a.bus.CallOn(node, "seat:"+catalogue.BackupSeat+".backed-up", map[string]any{}); err == nil {
|
||||
var modules []backedUp
|
||||
if json.Unmarshal(raw, &modules) == nil {
|
||||
for _, m := range modules {
|
||||
for _, it := range m.Data {
|
||||
if m.Module == module && it.LastBackup != nil && it.LastBackup.After(asked) && it.Error == "" {
|
||||
return fmt.Sprintf("%s's restore point of %s (%s) taken %s", node, module, it.Item, it.LastBackup.UTC().Format(time.RFC3339)), nil
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
if time.Now().After(deadline) {
|
||||
return "", fmt.Errorf("%s's backup holder did not say the bus's snapshot was taken within %s", node, SnapshotWithin)
|
||||
}
|
||||
select {
|
||||
case <-ctx.Done():
|
||||
return "", ctx.Err()
|
||||
case <-time.After(snapshotLook):
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
// warrant records once, in the controller's hand-act log, that the bus's want was written on the operator's warrant: the
|
||||
// router's record of the teller's ask says who chose and how (ADR 0274).
|
||||
func (a *putActs) warrant(id, ask string) {
|
||||
a.mu.Lock()
|
||||
if a.warranted[id] {
|
||||
a.mu.Unlock()
|
||||
return
|
||||
}
|
||||
a.warranted[id] = true
|
||||
a.mu.Unlock()
|
||||
go func() {
|
||||
if _, err := a.bus.Call("seat:"+catalogue.ControllerSeatName+".warranted", map[string]any{"asker": delivery.TellerModule, "ask": ask}); err != nil {
|
||||
a.logf("the put's warrant %s is not recorded in the hand-act log: %v", ask, err)
|
||||
a.mu.Lock()
|
||||
a.warrantNo[id] = fmt.Sprintf("the warrant %s is not recorded in the controller's hand-act log: %v", ask, err)
|
||||
a.mu.Unlock()
|
||||
a.wake()
|
||||
}
|
||||
}()
|
||||
}
|
||||
|
||||
// warrantFailed says why the put's warrant was not recorded, "" when it was or is not yet known.
|
||||
func (a *putActs) warrantFailed(id string) string {
|
||||
a.mu.Lock()
|
||||
defer a.mu.Unlock()
|
||||
return a.warrantNo[id]
|
||||
}
|
||||
|
||||
// putSaid is the body of the event put.
|
||||
type putSaid struct {
|
||||
Node string `json:"node"`
|
||||
Module string `json:"module"`
|
||||
FP string `json:"fp"`
|
||||
Hold bool `json:"hold"`
|
||||
Step string `json:"step"`
|
||||
Words string `json:"words"`
|
||||
Composed string `json:"composed,omitempty"`
|
||||
}
|
||||
|
||||
// say says a put's step as the event put, once per step and words.
|
||||
func (a *putActs) say(key string, p delivery.Put) {
|
||||
node, module, err := delivery.ParsePutKey(key)
|
||||
if err != nil || a.bus == nil {
|
||||
return
|
||||
}
|
||||
a.mu.Lock()
|
||||
if a.said[key] == p.Step+p.Words {
|
||||
a.mu.Unlock()
|
||||
return
|
||||
}
|
||||
a.said[key] = p.Step + p.Words
|
||||
a.mu.Unlock()
|
||||
if err := a.bus.Emit(PutEvent, putSaid{Node: node, Module: module, FP: p.FP, Hold: p.Hold, Step: p.Step, Words: p.Words, Composed: p.Composed}); err != nil {
|
||||
a.logf("the put %s's step %s is not said as an event: %v", key, p.Step, err)
|
||||
}
|
||||
}
|
||||
|
||||
// shortHex is a digest's first twelve hex digits.
|
||||
func shortHex(digest string) string {
|
||||
h := strings.TrimPrefix(digest, "sha256:")
|
||||
if len(h) > 12 {
|
||||
return h[:12]
|
||||
}
|
||||
return h
|
||||
}
|
||||
-236
@@ -1,236 +0,0 @@
|
||||
{
|
||||
"module": "xterm",
|
||||
"version": "1",
|
||||
"moved": true,
|
||||
"capabilities": [
|
||||
"package-manager"
|
||||
],
|
||||
"requires": [
|
||||
"x11-display"
|
||||
],
|
||||
"claims": [
|
||||
{
|
||||
"name": "node-terminal-emulator",
|
||||
"scope": "node",
|
||||
"serves": [
|
||||
"open"
|
||||
]
|
||||
}
|
||||
],
|
||||
"tools": [
|
||||
"xterm_font",
|
||||
"xterm_colours"
|
||||
],
|
||||
"config": {
|
||||
"face": {
|
||||
"type": "string",
|
||||
"description": "The font family xterm draws with, as fc-list names it: JetBrainsMono Nerd Font, because research 026/04 chose it for its glyphs the prompt uses. A family the machine does not have falls back to the nearest installed face (xterm_font says which).",
|
||||
"pattern": "[A-Za-z0-9 ._-]{1,64}",
|
||||
"default": "JetBrainsMono Nerd Font"
|
||||
},
|
||||
"size": {
|
||||
"type": "number",
|
||||
"description": "The size of xterm's text, in points: 12 reads well on a screen of about 100 DPI, and a denser screen needs a larger size.",
|
||||
"minimum": 6,
|
||||
"maximum": 72,
|
||||
"predefined": "font-size",
|
||||
"default": 12
|
||||
},
|
||||
"save-lines": {
|
||||
"type": "number",
|
||||
"description": "How many lines of scrollback xterm keeps per terminal: 10000 holds a long build log, and each line costs memory in every open terminal.",
|
||||
"minimum": 0,
|
||||
"maximum": 1000000,
|
||||
"default": 10000
|
||||
},
|
||||
"term-name": {
|
||||
"type": "string",
|
||||
"description": "The TERM value xterm sets for the programs it runs: xterm-256color, because the palette has 256 colours and every program knows the name.",
|
||||
"pattern": "[A-Za-z0-9._-]{1,64}",
|
||||
"default": "xterm-256color"
|
||||
},
|
||||
"render-font": {
|
||||
"type": "boolean",
|
||||
"description": "Whether xterm draws with fontconfig faces (true) or the old X core fonts (false): true, because the face is a fontconfig family and core fonts cannot show it.",
|
||||
"default": true
|
||||
},
|
||||
"bold-mode": {
|
||||
"type": "boolean",
|
||||
"description": "Whether xterm draws bold text by overstriking the normal face (true): false, because the face has a real bold style and overstriking blurs it.",
|
||||
"default": false
|
||||
},
|
||||
"always-bold-mode": {
|
||||
"type": "boolean",
|
||||
"description": "Whether xterm overstrikes bold even where the face has a bold style (true): false, for the same reason as bold-mode.",
|
||||
"default": false
|
||||
},
|
||||
"allow-bold-fonts": {
|
||||
"type": "boolean",
|
||||
"description": "Whether xterm may use the face's bold style for bold text (true): true, so bold text is drawn with the real bold weight.",
|
||||
"default": true
|
||||
},
|
||||
"background": {
|
||||
"type": "string",
|
||||
"description": "The terminal's background colour, as #rrggbb: black, as both workstations ran it.",
|
||||
"pattern": "#[0-9a-fA-F]{6}",
|
||||
"default": "#000000"
|
||||
},
|
||||
"foreground": {
|
||||
"type": "string",
|
||||
"description": "The terminal's text colour, as #rrggbb: a light grey, easier on the eyes than white on black.",
|
||||
"pattern": "#[0-9a-fA-F]{6}",
|
||||
"default": "#a8a8a8"
|
||||
},
|
||||
"color0": {
|
||||
"type": "string",
|
||||
"description": "Palette entry 0, the normal black, as #rrggbb: #000000, as both workstations ran it.",
|
||||
"pattern": "#[0-9a-fA-F]{6}",
|
||||
"default": "#000000"
|
||||
},
|
||||
"color1": {
|
||||
"type": "string",
|
||||
"description": "Palette entry 1, the normal red, as #rrggbb: #9e1828, as both workstations ran it.",
|
||||
"pattern": "#[0-9a-fA-F]{6}",
|
||||
"default": "#9e1828"
|
||||
},
|
||||
"color2": {
|
||||
"type": "string",
|
||||
"description": "Palette entry 2, the normal green, as #rrggbb: #008800, as both workstations ran it.",
|
||||
"pattern": "#[0-9a-fA-F]{6}",
|
||||
"default": "#008800"
|
||||
},
|
||||
"color3": {
|
||||
"type": "string",
|
||||
"description": "Palette entry 3, the normal yellow, as #rrggbb: #d2bb4b, as both workstations ran it.",
|
||||
"pattern": "#[0-9a-fA-F]{6}",
|
||||
"default": "#d2bb4b"
|
||||
},
|
||||
"color4": {
|
||||
"type": "string",
|
||||
"description": "Palette entry 4, the normal blue, as #rrggbb: #414171, as both workstations ran it.",
|
||||
"pattern": "#[0-9a-fA-F]{6}",
|
||||
"default": "#414171"
|
||||
},
|
||||
"color5": {
|
||||
"type": "string",
|
||||
"description": "Palette entry 5, the normal magenta, as #rrggbb: #963c59, as both workstations ran it.",
|
||||
"pattern": "#[0-9a-fA-F]{6}",
|
||||
"default": "#963c59"
|
||||
},
|
||||
"color6": {
|
||||
"type": "string",
|
||||
"description": "Palette entry 6, the normal cyan, as #rrggbb: #418179, as both workstations ran it.",
|
||||
"pattern": "#[0-9a-fA-F]{6}",
|
||||
"default": "#418179"
|
||||
},
|
||||
"color7": {
|
||||
"type": "string",
|
||||
"description": "Palette entry 7, the normal white, as #rrggbb: #bebebe, as both workstations ran it.",
|
||||
"pattern": "#[0-9a-fA-F]{6}",
|
||||
"default": "#bebebe"
|
||||
},
|
||||
"color8": {
|
||||
"type": "string",
|
||||
"description": "Palette entry 8, the bright black, as #rrggbb: #666666, as both workstations ran it.",
|
||||
"pattern": "#[0-9a-fA-F]{6}",
|
||||
"default": "#666666"
|
||||
},
|
||||
"color9": {
|
||||
"type": "string",
|
||||
"description": "Palette entry 9, the bright red, as #rrggbb: #bc5766, as both workstations ran it.",
|
||||
"pattern": "#[0-9a-fA-F]{6}",
|
||||
"default": "#bc5766"
|
||||
},
|
||||
"color10": {
|
||||
"type": "string",
|
||||
"description": "Palette entry 10, the bright green, as #rrggbb: #61a171, as both workstations ran it.",
|
||||
"pattern": "#[0-9a-fA-F]{6}",
|
||||
"default": "#61a171"
|
||||
},
|
||||
"color11": {
|
||||
"type": "string",
|
||||
"description": "Palette entry 11, the bright yellow, as #rrggbb: #e7db52, as both workstations ran it.",
|
||||
"pattern": "#[0-9a-fA-F]{6}",
|
||||
"default": "#e7db52"
|
||||
},
|
||||
"color12": {
|
||||
"type": "string",
|
||||
"description": "Palette entry 12, the bright blue, as #rrggbb: #5085af, as both workstations ran it.",
|
||||
"pattern": "#[0-9a-fA-F]{6}",
|
||||
"default": "#5085af"
|
||||
},
|
||||
"color13": {
|
||||
"type": "string",
|
||||
"description": "Palette entry 13, the bright magenta, as #rrggbb: #a97a99, as both workstations ran it.",
|
||||
"pattern": "#[0-9a-fA-F]{6}",
|
||||
"default": "#a97a99"
|
||||
},
|
||||
"color14": {
|
||||
"type": "string",
|
||||
"description": "Palette entry 14, the bright cyan, as #rrggbb: #6ba4a4, as both workstations ran it.",
|
||||
"pattern": "#[0-9a-fA-F]{6}",
|
||||
"default": "#6ba4a4"
|
||||
},
|
||||
"color15": {
|
||||
"type": "string",
|
||||
"description": "Palette entry 15, the bright white, as #rrggbb: #ffffff, as both workstations ran it.",
|
||||
"pattern": "#[0-9a-fA-F]{6}",
|
||||
"default": "#ffffff"
|
||||
},
|
||||
"copy-binding": {
|
||||
"type": "string",
|
||||
"description": "The key combination that copies the selection to the clipboard, in X translation syntax: Ctrl Shift ~Alt <Key> C, so a plain Ctrl+C still interrupts the program. It holds no colon, backslash or line break, which would end the resource.",
|
||||
"pattern": "[^:\\\\\\n]+",
|
||||
"default": "Ctrl Shift ~Alt <Key> C"
|
||||
},
|
||||
"paste-binding": {
|
||||
"type": "string",
|
||||
"description": "The key combination that pastes the clipboard, in X translation syntax: Ctrl Shift ~Alt <Key> V, the pair of copy-binding. It holds no colon, backslash or line break, which would end the resource.",
|
||||
"pattern": "[^:\\\\\\n]+",
|
||||
"default": "Ctrl Shift ~Alt <Key> V"
|
||||
}
|
||||
},
|
||||
"items": [
|
||||
{
|
||||
"collection": "environment",
|
||||
"name": "terminal",
|
||||
"attributes": {
|
||||
"kind": "variable",
|
||||
"name": "TERMINAL"
|
||||
},
|
||||
"template": "files/env-terminal"
|
||||
},
|
||||
{
|
||||
"collection": "shell:xresources:normal",
|
||||
"name": "xresources-normal",
|
||||
"template": "files/xresources-normal"
|
||||
}
|
||||
],
|
||||
"resources": [
|
||||
{
|
||||
"id": "package",
|
||||
"type": "package",
|
||||
"package": "xterm"
|
||||
}
|
||||
],
|
||||
"build": {
|
||||
"artifacts": [
|
||||
{
|
||||
"name": "tools",
|
||||
"kind": "bundle",
|
||||
"language": "go",
|
||||
"system": "arch",
|
||||
"from": "cmd/xterm-tools",
|
||||
"binary": "xterm-tools",
|
||||
"loads": [
|
||||
"xterm-tools"
|
||||
]
|
||||
},
|
||||
{
|
||||
"name": "files",
|
||||
"kind": "archive",
|
||||
"from": "files"
|
||||
}
|
||||
]
|
||||
}
|
||||
}
|
||||
@@ -1,364 +0,0 @@
|
||||
package main
|
||||
|
||||
import (
|
||||
"encoding/json"
|
||||
"errors"
|
||||
"fmt"
|
||||
"os"
|
||||
"regexp"
|
||||
"slices"
|
||||
"sort"
|
||||
"strings"
|
||||
"sync"
|
||||
"time"
|
||||
|
||||
stdio "git.novox.be/novox/mesh-sdk/go"
|
||||
"git.novox.be/novox/mesh-sdk/go/delivery"
|
||||
)
|
||||
|
||||
// The assigner's tools (novox/hq ADR 0546), served through the tool runner from its bundle: a process never serves (ADR
|
||||
// 0436, mesh-sdk process). They write and read the puts; the assigner's process takes each put further (puts.go) and says
|
||||
// every step as the event put. They are the module's own tools, not a seat's verbs: a new seat needs a change of the
|
||||
// controller, which takes none; they become the verbs of a seat once composing leaves the controller.
|
||||
|
||||
// putsState is the assigner's state of puts, as the runtime names a module's own state.
|
||||
const putsState = "puts"
|
||||
|
||||
// answerWithin is how long assigner_put waits for the assigner's process to take the put up before it answers what stands.
|
||||
var answerWithin = 20 * time.Second
|
||||
|
||||
// store is what the tools need of the states: the runtime's (stdio.State), or a test's.
|
||||
type store interface {
|
||||
get(state, key string) ([]byte, uint64, bool, error)
|
||||
put(state, key string, value []byte) error
|
||||
keys(state string) ([]string, error)
|
||||
}
|
||||
|
||||
// putTools serves the tools over a store, and keeps the newest value of every put it heard, to wait on.
|
||||
type putTools struct {
|
||||
st store
|
||||
now func() time.Time
|
||||
mu sync.Mutex
|
||||
// heard is every put the watch handed, by key; changed is closed and replaced at each.
|
||||
heard map[string][]byte
|
||||
changed chan struct{}
|
||||
}
|
||||
|
||||
func newPutTools(st store) *putTools {
|
||||
return &putTools{st: st, now: time.Now, heard: map[string][]byte{}, changed: make(chan struct{})}
|
||||
}
|
||||
|
||||
// hear takes a put's change in from the watch.
|
||||
func (s *putTools) hear(key string, value []byte) {
|
||||
s.mu.Lock()
|
||||
s.heard[key] = value
|
||||
close(s.changed)
|
||||
s.changed = make(chan struct{})
|
||||
s.mu.Unlock()
|
||||
}
|
||||
|
||||
// fullFP is a fingerprint of the new form, whole; prefix at least its first twelve hex digits.
|
||||
var (
|
||||
fullFP = regexp.MustCompile(`^src2:[0-9a-f]{64}$`)
|
||||
prefix = regexp.MustCompile(`^(src2:)?[0-9a-f]{12,63}$`)
|
||||
)
|
||||
|
||||
// version reads the version a put names: newest (the indexer's fingerprint at the trunk), a whole fingerprint, or the start
|
||||
// of one the builder built, which must name one build alone.
|
||||
func (s *putTools) version(module, version string) (string, error) {
|
||||
v := strings.ToLower(strings.TrimSpace(version))
|
||||
switch {
|
||||
case v == "newest":
|
||||
raw, _, found, err := s.st.get(delivery.IndexerModule+".modules", module)
|
||||
if err != nil {
|
||||
return "", fmt.Errorf("the indexer's modules cannot be read: %w", err)
|
||||
}
|
||||
if !found {
|
||||
return "", fmt.Errorf("the indexer holds no module %s at the trunk", module)
|
||||
}
|
||||
m, err := delivery.DecodeModule(raw)
|
||||
if err != nil {
|
||||
return "", fmt.Errorf("the indexer's %s cannot be read: %w", module, err)
|
||||
}
|
||||
if m.FP2 == "" {
|
||||
return "", fmt.Errorf("the indexer holds no fingerprint of the new form for %s: %s", module, m.None2)
|
||||
}
|
||||
return m.FP2, nil
|
||||
case fullFP.MatchString(v):
|
||||
return v, nil
|
||||
case prefix.MatchString(v):
|
||||
start := strings.TrimPrefix(v, delivery.SourcePrefix2)
|
||||
keys, err := s.st.keys(delivery.BuilderModule + ".builds")
|
||||
if err != nil {
|
||||
return "", fmt.Errorf("the builder's builds cannot be listed: %w", err)
|
||||
}
|
||||
var found []string
|
||||
for _, k := range keys {
|
||||
m, fp, err := delivery.ParseBuilderBuildKey(k)
|
||||
if err == nil && m == module && strings.HasPrefix(strings.TrimPrefix(fp, delivery.SourcePrefix2), start) {
|
||||
found = append(found, fp)
|
||||
}
|
||||
}
|
||||
switch len(found) {
|
||||
case 0:
|
||||
return "", fmt.Errorf("the builder built no %s whose fingerprint starts %s: give it whole", module, start)
|
||||
case 1:
|
||||
return found[0], nil
|
||||
}
|
||||
sort.Strings(found)
|
||||
return "", fmt.Errorf("%s starts %d fingerprints of %s the builder built (%s): give more of it", start, len(found), module, strings.Join(found, ", "))
|
||||
}
|
||||
return "", fmt.Errorf("%q is no version: newest, a fingerprint (src2: and 64 hex digits) or at least its first 12 hex digits", version)
|
||||
}
|
||||
|
||||
// putAnswer is what assigner_put and assigner_puts answer of one put.
|
||||
type putAnswer struct {
|
||||
Node string `json:"node"`
|
||||
Module string `json:"module"`
|
||||
delivery.Put
|
||||
Follow string `json:"follow,omitempty"`
|
||||
}
|
||||
|
||||
// doPut is the tool assigner_put.
|
||||
func (s *putTools) doPut(args map[string]any, by string) (any, error) {
|
||||
node, module, why := arg(args, "node"), arg(args, "module"), arg(args, "why")
|
||||
key, err := delivery.PutKey(node, module)
|
||||
if err != nil {
|
||||
return nil, err
|
||||
}
|
||||
if why == "" {
|
||||
return nil, errors.New("put says why: it is kept with the put and said in any ask")
|
||||
}
|
||||
hold := false
|
||||
switch arg(args, "hold") {
|
||||
case "true":
|
||||
hold = true
|
||||
case "", "false":
|
||||
default:
|
||||
return nil, fmt.Errorf("hold is true or false, not %q", arg(args, "hold"))
|
||||
}
|
||||
fp, err := s.version(module, arg(args, "version"))
|
||||
if err != nil {
|
||||
return nil, err
|
||||
}
|
||||
now := s.now().UTC()
|
||||
words := fmt.Sprintf("asked by %s: %s", by, why)
|
||||
if raw, _, found, err := s.st.get(putsState, key); err != nil {
|
||||
return nil, fmt.Errorf("the put of %s on %s cannot be read: %w", module, node, err)
|
||||
} else if found {
|
||||
if before, err := delivery.DecodePut(raw); err == nil && !delivery.PutEnded(before.Step) {
|
||||
if before.FP == fp && before.Hold == hold {
|
||||
return putAnswer{Node: node, Module: module, Put: before, Follow: followPut(node, module)}, nil
|
||||
}
|
||||
words += fmt.Sprintf("; it replaces the put of %s at %s, which stood at %s", module, shortFP(before.FP), before.Step)
|
||||
}
|
||||
}
|
||||
p := delivery.Put{FP: fp, Hold: hold, Why: why, By: by, At: now}.Said(now, delivery.PutAsked, words)
|
||||
data, err := delivery.EncodePut(p)
|
||||
if err != nil {
|
||||
return nil, err
|
||||
}
|
||||
if err := s.st.put(putsState, key, data); err != nil {
|
||||
return nil, fmt.Errorf("the put of %s on %s is not written: %w", module, node, err)
|
||||
}
|
||||
s.hear(key, data)
|
||||
return putAnswer{Node: node, Module: module, Put: s.await(key, p), Follow: followPut(node, module)}, nil
|
||||
}
|
||||
|
||||
// await is the put at key once the assigner's process took it up past its asking, or as it stands after answerWithin.
|
||||
func (s *putTools) await(key string, p delivery.Put) delivery.Put {
|
||||
deadline := time.After(answerWithin)
|
||||
for {
|
||||
s.mu.Lock()
|
||||
raw, changed := s.heard[key], s.changed
|
||||
s.mu.Unlock()
|
||||
if now, err := delivery.DecodePut(raw); err == nil && now.At.Equal(p.At) {
|
||||
p = now
|
||||
if now.Step != delivery.PutAsked && now.Step != delivery.PutBuild && now.Step != delivery.PutCompose {
|
||||
return p // it waits on a person or the node, or ended
|
||||
}
|
||||
}
|
||||
select {
|
||||
case <-changed:
|
||||
case <-deadline:
|
||||
return p
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
// followPut says how a caller follows a put after the answer.
|
||||
func followPut(node, module string) string {
|
||||
return fmt.Sprintf("the put goes on: mesh_wait on mesh-delivery-assigner.put with filter {\"node\": %q, \"module\": %q}, then "+
|
||||
"mesh-delivery-assigner.assigner_puts for where it stands", node, module)
|
||||
}
|
||||
|
||||
// doRelease is the tool assigner_release.
|
||||
func (s *putTools) doRelease(args map[string]any, by string) (any, error) {
|
||||
node, module, why := arg(args, "node"), arg(args, "module"), arg(args, "why")
|
||||
key, err := delivery.PutKey(node, module)
|
||||
if err != nil {
|
||||
return nil, err
|
||||
}
|
||||
if why == "" {
|
||||
return nil, errors.New("release says why: it is kept with the put")
|
||||
}
|
||||
raw, _, found, err := s.st.get(putsState, key)
|
||||
if err != nil {
|
||||
return nil, fmt.Errorf("the put of %s on %s cannot be read: %w", module, node, err)
|
||||
}
|
||||
if !found {
|
||||
return nil, fmt.Errorf("%s holds no put of %s: nothing to release", node, module)
|
||||
}
|
||||
p, err := delivery.DecodePut(raw)
|
||||
if err != nil {
|
||||
return nil, fmt.Errorf("the put of %s on %s cannot be read: %w", module, node, err)
|
||||
}
|
||||
if delivery.PutEnded(p.Step) {
|
||||
return nil, fmt.Errorf("the put of %s on %s ended already (%s: %s): nothing to release", module, node, p.Step, p.Words)
|
||||
}
|
||||
p = p.Said(s.now(), delivery.PutReleased, fmt.Sprintf("released by %s: %s; the assigner's rules write the want again", by, why))
|
||||
data, err := delivery.EncodePut(p)
|
||||
if err != nil {
|
||||
return nil, err
|
||||
}
|
||||
if err := s.st.put(putsState, key, data); err != nil {
|
||||
return nil, fmt.Errorf("the release of %s on %s is not written: %w", module, node, err)
|
||||
}
|
||||
s.hear(key, data)
|
||||
return putAnswer{Node: node, Module: module, Put: p}, nil
|
||||
}
|
||||
|
||||
// doPuts is the tool assigner_puts.
|
||||
func (s *putTools) doPuts(args map[string]any) (any, error) {
|
||||
keys, err := s.st.keys(putsState)
|
||||
if err != nil {
|
||||
return nil, fmt.Errorf("the puts cannot be listed: %w", err)
|
||||
}
|
||||
sort.Strings(keys)
|
||||
out := []putAnswer{}
|
||||
for _, key := range keys {
|
||||
node, module, err := delivery.ParsePutKey(key)
|
||||
if err != nil || (arg(args, "node") != "" && node != arg(args, "node")) || (arg(args, "module") != "" && module != arg(args, "module")) {
|
||||
continue
|
||||
}
|
||||
raw, _, found, err := s.st.get(putsState, key)
|
||||
if err != nil || !found {
|
||||
continue
|
||||
}
|
||||
p, err := delivery.DecodePut(raw)
|
||||
if err != nil {
|
||||
continue
|
||||
}
|
||||
out = append(out, putAnswer{Node: node, Module: module, Put: p})
|
||||
}
|
||||
return map[string]any{"puts": out}, nil
|
||||
}
|
||||
|
||||
func arg(args map[string]any, name string) string {
|
||||
switch v := args[name].(type) {
|
||||
case string:
|
||||
return strings.TrimSpace(v)
|
||||
case bool:
|
||||
return fmt.Sprint(v)
|
||||
}
|
||||
return ""
|
||||
}
|
||||
|
||||
// The tools' names, as the manifest lists them.
|
||||
const (
|
||||
toolPut = "assigner_put"
|
||||
toolRelease = "assigner_release"
|
||||
toolPuts = "assigner_puts"
|
||||
)
|
||||
|
||||
// schema is a tool's arguments, each a string: required ones first named, and switches true or false.
|
||||
func schema(properties map[string]string, required []string, switches ...string) map[string]any {
|
||||
props := map[string]any{}
|
||||
for name, description := range properties {
|
||||
p := map[string]any{"type": "string", "description": description}
|
||||
if slices.Contains(switches, name) {
|
||||
p["enum"] = []string{"true", "false"}
|
||||
}
|
||||
props[name] = p
|
||||
}
|
||||
out := map[string]any{"type": "object", "properties": props}
|
||||
if len(required) > 0 {
|
||||
out["required"] = required
|
||||
}
|
||||
return out
|
||||
}
|
||||
|
||||
// tools are the assigner's tools as the runtime serves them (ADR 0546 clause 1).
|
||||
func (s *putTools) tools() []stdio.Tool {
|
||||
return []stdio.Tool{
|
||||
{Name: toolPut, Description: "Put one version of a module on one machine (novox/hq ADR 0546): the build at that fingerprint, " +
|
||||
"the composition and grant the controller wrote for that machine, then the machine's want naming it, held there until " +
|
||||
"released when hold is true. A module whose moves a person takes (the bus, a module of policy record) is asked of the " +
|
||||
"operator first, and the bus has its streams snapshotted after the yes. Answers what was done or what it waits on; the " +
|
||||
"put goes on after the answer, each step said as the event mesh-delivery-assigner.put, and assigner_puts says where it stands.",
|
||||
Input: schema(map[string]string{
|
||||
"node": "the machine, where the module is assigned",
|
||||
"module": "the module",
|
||||
"version": "newest, a fingerprint (src2: and 64 hex digits), or at least its first 12 hex digits",
|
||||
"hold": "\"true\": the want stays at this version until released; \"false\" (the default): the rules move it again once it runs",
|
||||
"why": "why, kept with the put and said in any ask",
|
||||
}, []string{"node", "module", "version", "why"}, "hold"),
|
||||
Run: func(a map[string]any) (any, error) { return s.doPut(a, stdio.CallerOf(a)) }},
|
||||
{Name: toolRelease, Description: "End a put on one machine (novox/hq ADR 0546): its hold is taken away and the assigner's " +
|
||||
"rules write the machine's want again from their next pass. Nothing changes on the machine until they move it.",
|
||||
Input: schema(map[string]string{"node": "the machine", "module": "the module", "why": "why, kept with the put"},
|
||||
[]string{"node", "module", "why"}),
|
||||
Run: func(a map[string]any) (any, error) { return s.doRelease(a, stdio.CallerOf(a)) }},
|
||||
{Name: toolPuts, Description: "Every put and where it stands (novox/hq ADR 0546): its version, hold, why, each step with " +
|
||||
"its time and words. Narrowed by machine or module. Read-only.",
|
||||
Input: schema(map[string]string{"node": "one machine", "module": "one module"}, nil),
|
||||
Run: s.doPuts},
|
||||
}
|
||||
}
|
||||
|
||||
// runtimeStore is the runtime's states.
|
||||
type runtimeStore struct{}
|
||||
|
||||
func (runtimeStore) get(state, key string) ([]byte, uint64, bool, error) {
|
||||
e, err := stdio.State(state).Get(key)
|
||||
if err != nil || e == nil {
|
||||
return nil, 0, false, err
|
||||
}
|
||||
return e.Value, e.Revision, true, nil
|
||||
}
|
||||
|
||||
func (runtimeStore) put(state, key string, value []byte) error {
|
||||
_, err := stdio.State(state).Put(key, json.RawMessage(value))
|
||||
return err
|
||||
}
|
||||
|
||||
func (runtimeStore) keys(state string) ([]string, error) { return stdio.State(state).Keys() }
|
||||
|
||||
// serveTools serves the tools to the runtime until it stops, hearing every put to answer assigner_put with its first steps.
|
||||
func serveTools() error {
|
||||
s := newPutTools(runtimeStore{})
|
||||
go func() {
|
||||
<-stdio.Served()
|
||||
for wait := 2 * time.Second; ; wait = min(wait*2, time.Minute) {
|
||||
err := stdio.State(putsState).Watch("", func(c stdio.StateChange) error {
|
||||
s.hear(c.Key, c.Value)
|
||||
return nil
|
||||
})
|
||||
if err == nil {
|
||||
return
|
||||
}
|
||||
fmt.Fprintf(os.Stderr, "mesh-delivery-assigner: the puts are not heard yet (%v); asked again in %s\n", err, wait)
|
||||
time.Sleep(wait)
|
||||
}
|
||||
}()
|
||||
return stdio.Serve("", s.tools())
|
||||
}
|
||||
|
||||
// shortFP is a fingerprint's first twelve hex digits.
|
||||
func shortFP(fp string) string {
|
||||
part, err := delivery.FingerprintKeyPart(fp)
|
||||
if err != nil || len(part) < 12 {
|
||||
return fp
|
||||
}
|
||||
return part[:12]
|
||||
}
|
||||
@@ -44,8 +44,8 @@ type world struct {
|
||||
manifests map[string]parsed
|
||||
// healthy is, by have key, every fingerprint the node ran healthy, oldest first, each once: what a set-back goes to.
|
||||
healthy map[string][]string
|
||||
// changes counts, by bucket and key, the values this process has seen the key take: a value written again is another.
|
||||
changes map[string]uint64
|
||||
// sent is, by build id, the fingerprint of the new form the controller's build record names, once it names one.
|
||||
sent map[string]string
|
||||
}
|
||||
|
||||
// parsed is a manifest read by digest: its module and its manifest, or why it cannot be read.
|
||||
@@ -56,7 +56,7 @@ type parsed struct {
|
||||
}
|
||||
|
||||
func newWorld() *world {
|
||||
return &world{values: map[string]map[string][]byte{}, manifests: map[string]parsed{}, healthy: map[string][]string{}, changes: map[string]uint64{}}
|
||||
return &world{values: map[string]map[string][]byte{}, manifests: map[string]parsed{}, healthy: map[string][]string{}, sent: map[string]string{}}
|
||||
}
|
||||
|
||||
// put takes a change of a watched bucket in: a value, or nil for a key deleted or purged.
|
||||
@@ -71,7 +71,6 @@ func (w *world) put(bucket, key string, value []byte) {
|
||||
return
|
||||
}
|
||||
w.values[bucket][key] = value
|
||||
w.changes[bucket+"|"+key]++
|
||||
if bucket == delivery.HaveBucket {
|
||||
if h, err := delivery.DecodeHave(value); err == nil && h.FP != "" && h.Phase == delivery.PhaseRunning && h.Health == delivery.HealthOK {
|
||||
list := slices.DeleteFunc(w.healthy[key], func(fp string) bool { return fp == h.FP })
|
||||
@@ -149,9 +148,7 @@ func (w *world) manifest(ctx context.Context, get getter, digest string) parsed
|
||||
m, err := delivery.DecodeManifest(value)
|
||||
if err != nil {
|
||||
p = parsed{err: err.Error()}
|
||||
} else if man, err := catalogue.ParseManifestForInputs([]byte(m.JSON)); err != nil {
|
||||
// Read as the indexer reads it (issue 1751): a value falling back to a predefined key is judged by the merge gate
|
||||
// in the catalogue, against the predefined.json at its root that this process never holds (ADR 0348 §7).
|
||||
} else if man, err := catalogue.ParseManifest([]byte(m.JSON)); err != nil {
|
||||
p = parsed{module: m.Module, err: err.Error()}
|
||||
} else {
|
||||
p = parsed{module: m.Module, manifest: man}
|
||||
@@ -196,13 +193,12 @@ func (w *world) trunk() map[string]delivery.Module {
|
||||
|
||||
// mesh is the mesh as the trunk holds it, for the composition check.
|
||||
func (w *world) mesh(ctx context.Context, manifests getter) assign.Mesh {
|
||||
m := assign.Mesh{Manifests: map[string]catalogue.Manifest{}, Unreadable: map[string]string{}, Digests: map[string]string{}}
|
||||
m := assign.Mesh{Manifests: map[string]catalogue.Manifest{}, Unreadable: map[string]string{}}
|
||||
m.Assigned, _ = w.assigned()
|
||||
for name, mod := range w.trunk() {
|
||||
if mod.Manifest == "" {
|
||||
continue
|
||||
}
|
||||
m.Digests[name] = mod.Manifest
|
||||
p := w.manifest(ctx, manifests, mod.Manifest)
|
||||
if p.err != "" {
|
||||
m.Unreadable[name] = p.err
|
||||
@@ -215,14 +211,12 @@ func (w *world) mesh(ctx context.Context, manifests getter) assign.Mesh {
|
||||
|
||||
// change is a candidate's change for the composition check, or why the composition waits for it.
|
||||
func (w *world) change(ctx context.Context, manifests getter, c delivery.Candidate, trunk map[string]delivery.Module) (assign.Change, string) {
|
||||
ch := assign.Change{Group: c.Group, Heads: c.HeadsHash, Manifests: map[string]catalogue.Manifest{}, Unreadable: map[string]string{},
|
||||
Twice: map[string][]string{}, Digests: map[string]string{}, Members: map[string]string{}}
|
||||
ch := assign.Change{Group: c.Group, Heads: c.HeadsHash, Manifests: map[string]catalogue.Manifest{}, Unreadable: map[string]string{}, Twice: map[string][]string{}}
|
||||
definedIn := map[string]map[string]bool{}
|
||||
for _, p := range c.Pulls {
|
||||
if p.Repository == assign.SDKRepository {
|
||||
ch.SDKHead = p.Head.Head
|
||||
}
|
||||
ch.Members[p.Repository] = p.Head.Head
|
||||
for _, name := range p.Modules {
|
||||
fp, ok := p.Fps[name]
|
||||
if !ok || fp.Manifest == "" {
|
||||
@@ -239,7 +233,6 @@ func (w *world) change(ctx context.Context, manifests getter, c delivery.Candida
|
||||
if strings.HasPrefix(got.err, "the indexer holds no manifest") {
|
||||
return ch, got.err
|
||||
}
|
||||
ch.Digests[name] = fp.Manifest
|
||||
if got.err != "" {
|
||||
ch.Unreadable[name] = got.err
|
||||
continue
|
||||
@@ -326,13 +319,6 @@ func (w *world) nodes(manifests map[string]catalogue.Manifest, assigned map[stri
|
||||
return n
|
||||
}
|
||||
|
||||
// value is what a bucket holds at a key now, nil when nothing.
|
||||
func (w *world) value(bucket, key string) []byte {
|
||||
w.mu.Lock()
|
||||
defer w.mu.Unlock()
|
||||
return w.values[bucket][key]
|
||||
}
|
||||
|
||||
// has says whether a bucket holds a key now.
|
||||
func (w *world) has(bucket, key string) bool {
|
||||
w.mu.Lock()
|
||||
@@ -357,81 +343,28 @@ func (w *world) built(module, fp string) bool {
|
||||
return err == nil && b.State == delivery.BuildDone
|
||||
}
|
||||
|
||||
// composed is the controller's composition of module for node at fp: its digest and the judgement of the move to it
|
||||
// (mesh-controller_composed `<node>.<module>.<hex>`), and whether it exists and can be read.
|
||||
func (w *world) composed(node, module, fp string) (delivery.ComposedDigest, bool) {
|
||||
key, err := delivery.ComposedKey(node, module, fp)
|
||||
// sentFP is the fingerprint of the new form of the build the controller's assignment names, read from its build record
|
||||
// (mesh-controller_builds `<module>.build.<id>`) once and kept; empty when the record names none.
|
||||
func (w *world) sentFP(ctx context.Context, get getter, module, build string) string {
|
||||
if build == "" {
|
||||
return ""
|
||||
}
|
||||
w.mu.Lock()
|
||||
fp, ok := w.sent[build]
|
||||
w.mu.Unlock()
|
||||
if ok {
|
||||
return fp
|
||||
}
|
||||
value, err := get(ctx, delivery.BuildKey(module, build))
|
||||
if err != nil {
|
||||
return delivery.ComposedDigest{}, false
|
||||
return ""
|
||||
}
|
||||
var rec delivery.BuildRecord
|
||||
if json.Unmarshal(value, &rec) != nil || !strings.HasPrefix(rec.SourceFingerprint, delivery.SourcePrefix2) {
|
||||
return ""
|
||||
}
|
||||
w.mu.Lock()
|
||||
value, ok := w.values[delivery.ControllerComposedBucket][key]
|
||||
w.sent[build] = rec.SourceFingerprint
|
||||
w.mu.Unlock()
|
||||
if !ok {
|
||||
return delivery.ComposedDigest{}, false
|
||||
}
|
||||
d, err := delivery.DecodeComposedDigest(value)
|
||||
return d, err == nil
|
||||
}
|
||||
|
||||
// nodeComposed is, by node, the digest of the node's own composition (mesh-controller_composed `<node>.node`).
|
||||
func (w *world) nodeComposed() map[string]delivery.ComposedDigest {
|
||||
out := map[string]delivery.ComposedDigest{}
|
||||
for key, value := range w.read(delivery.ControllerComposedBucket) {
|
||||
node, _, _, isNode, err := delivery.ParseComposedKey(key)
|
||||
if err != nil || !isNode {
|
||||
continue
|
||||
}
|
||||
if d, err := delivery.DecodeComposedDigest(value); err == nil {
|
||||
out[node] = d
|
||||
}
|
||||
}
|
||||
return out
|
||||
}
|
||||
|
||||
// answer is the teller's answer to the ask at key (mesh-delivery-teller_answers, the same key), and whether there is one.
|
||||
func (w *world) answer(key string) (delivery.Answer, bool) {
|
||||
w.mu.Lock()
|
||||
value, ok := w.values[delivery.AnswersBucket][key]
|
||||
w.mu.Unlock()
|
||||
if !ok {
|
||||
return delivery.Answer{}, false
|
||||
}
|
||||
a, err := delivery.DecodeAnswer(value)
|
||||
return a, err == nil
|
||||
}
|
||||
|
||||
// changed is how many values the key has taken in this process (see world.changes).
|
||||
func (w *world) changed(bucket, key string) uint64 {
|
||||
w.mu.Lock()
|
||||
defer w.mu.Unlock()
|
||||
return w.changes[bucket+"|"+key]
|
||||
}
|
||||
|
||||
// runningCommits is, of every open assignment of module, the commit of the build it names, read from the controller's
|
||||
// build record (`mesh-controller_builds` `<module>.build.<id>`), distinct and sorted: the commits a reader of the
|
||||
// manifests runs at (novox/hq ADR 0482 clause 5, issue 1623). A build whose record names no full commit is left out.
|
||||
func (w *world) runningCommits(ctx context.Context, get getter, module string) []string {
|
||||
_, all := w.assigned()
|
||||
seen := map[string]bool{}
|
||||
for _, a := range all {
|
||||
if a.Module != module || a.Build == "" {
|
||||
continue
|
||||
}
|
||||
value, err := get(ctx, delivery.BuildKey(module, a.Build))
|
||||
if err != nil {
|
||||
continue
|
||||
}
|
||||
var rec delivery.BuildRecord
|
||||
if json.Unmarshal(value, &rec) != nil || len(rec.Commit) != 40 {
|
||||
continue
|
||||
}
|
||||
seen[rec.Commit] = true
|
||||
}
|
||||
out := make([]string, 0, len(seen))
|
||||
for c := range seen {
|
||||
out = append(out, c)
|
||||
}
|
||||
sort.Strings(out)
|
||||
return out
|
||||
return rec.SourceFingerprint
|
||||
}
|
||||
|
||||
@@ -2,7 +2,6 @@ package main
|
||||
|
||||
import (
|
||||
"context"
|
||||
"os"
|
||||
"slices"
|
||||
"strings"
|
||||
"testing"
|
||||
@@ -89,39 +88,3 @@ func TestAChangeWaitsForItsManifests(t *testing.T) {
|
||||
t.Errorf("an unreadable manifest: waits %q, change %+v", waits, ch)
|
||||
}
|
||||
}
|
||||
|
||||
// A manifest of the change whose config value falls back to a predefined key (novox/hq ADR 0348 §7) is read, not
|
||||
// unreadable for the catalogue's predefined.json the assigner never holds: the merge gate judges the fallback in the
|
||||
// catalogue, and the indexer reads it the same way (catalogue.ParseManifestForInputs, issue 1751). A group whose
|
||||
// mesh-catalog member touched pacman and xterm failed its composition on this (group check 18df81380db3). The manifest is
|
||||
// xterm's module.json from mesh-catalog at 835bf22b.
|
||||
func TestAManifestFallingBackToAPredefinedKeyIsReadable(t *testing.T) {
|
||||
raw, err := os.ReadFile("testdata/catalogue-835bf22b-xterm.module.json")
|
||||
if err != nil {
|
||||
t.Fatal(err)
|
||||
}
|
||||
if !strings.Contains(string(raw), `"predefined"`) {
|
||||
t.Fatal("the fixture names no predefined key")
|
||||
}
|
||||
f := fakeManifests{}
|
||||
xterm := f.add(t, "xterm", string(raw))
|
||||
ch, waits := newWorld().change(context.Background(), f.get, delivery.Candidate{Group: "g", HeadsHash: "0123456789ab",
|
||||
Pulls: []delivery.CandidatePull{pull("novox/mesh-catalog", 1, map[string]delivery.CandidateModule{"xterm": {FP2: fp('b'), Manifest: xterm}})}}, nil)
|
||||
if waits != "" || ch.Unreadable["xterm"] != "" || ch.Manifests["xterm"].Module != "xterm" {
|
||||
t.Errorf("xterm: waits %q, unreadable %q, want read", waits, ch.Unreadable["xterm"])
|
||||
}
|
||||
}
|
||||
|
||||
// Review round 1 (items 3 and 4): the world counts the values a key takes, so a have written again after an answer is seen.
|
||||
func TestTheWorldCountsTheValuesAKeyTakes(t *testing.T) {
|
||||
w := newWorld()
|
||||
w.put(delivery.HaveBucket, "ace.web", []byte(`{"v":1}`))
|
||||
w.put(delivery.HaveBucket, "ace.web", []byte(`{"v":1}`))
|
||||
w.put(delivery.HaveBucket, "ace.mail", []byte(`{"v":1}`))
|
||||
if got := w.changed(delivery.HaveBucket, "ace.web"); got != 2 {
|
||||
t.Errorf("changed = %d, want 2", got)
|
||||
}
|
||||
if got := w.changed(delivery.HaveBucket, "gone"); got != 0 {
|
||||
t.Errorf("changed = %d for a key never seen", got)
|
||||
}
|
||||
}
|
||||
|
||||
@@ -3,7 +3,7 @@ module mesh-delivery-assigner
|
||||
go 1.26.0
|
||||
|
||||
require (
|
||||
git.novox.be/novox/mesh-sdk/go v0.1.14-0.20261025211220-e0d1de047585
|
||||
git.novox.be/novox/mesh-sdk/go v0.1.14-0.20261023150321-a2c813a6b468
|
||||
github.com/nats-io/nats-server/v2 v2.11.17
|
||||
github.com/nats-io/nats.go v1.54.0
|
||||
)
|
||||
|
||||
@@ -1,13 +1,5 @@
|
||||
git.novox.be/novox/mesh-sdk/go v0.1.14-0.20261024210118-748c564cdf7c h1:pY2YpHSSsfDPBrOEiWTNSIPn0zdnAayRmtmmyQ3hCHY=
|
||||
git.novox.be/novox/mesh-sdk/go v0.1.14-0.20261024210118-748c564cdf7c/go.mod h1:ouERNpZizzwZ0HLEtAypsY9FR20FyUgUYRni6J7kVCY=
|
||||
git.novox.be/novox/mesh-sdk/go v0.1.14-0.20261025195051-20a6dc4920f8 h1:jA7V7hlfJAigVUvJDpKwfgd9ylQ9bqppg3rK9XgLWoA=
|
||||
git.novox.be/novox/mesh-sdk/go v0.1.14-0.20261025195051-20a6dc4920f8/go.mod h1:ouERNpZizzwZ0HLEtAypsY9FR20FyUgUYRni6J7kVCY=
|
||||
git.novox.be/novox/mesh-sdk/go v0.1.14-0.20261025200810-d4ae4b6790b8 h1:vhYk/iv43u2WGSTrFyQGDvGBxLaRITgMAiiI9DjuA10=
|
||||
git.novox.be/novox/mesh-sdk/go v0.1.14-0.20261025200810-d4ae4b6790b8/go.mod h1:ouERNpZizzwZ0HLEtAypsY9FR20FyUgUYRni6J7kVCY=
|
||||
git.novox.be/novox/mesh-sdk/go v0.1.14-0.20261025203528-db26f7e8b6f5 h1:gE80bR0tPME7MTMBLcdP62v+F/9soVXmdcBYNMOye44=
|
||||
git.novox.be/novox/mesh-sdk/go v0.1.14-0.20261025203528-db26f7e8b6f5/go.mod h1:ouERNpZizzwZ0HLEtAypsY9FR20FyUgUYRni6J7kVCY=
|
||||
git.novox.be/novox/mesh-sdk/go v0.1.14-0.20261025211220-e0d1de047585 h1:7QoFH5qjXRpx5M4uPdYsVJ5qKl2082gq8n0lFxhoNIg=
|
||||
git.novox.be/novox/mesh-sdk/go v0.1.14-0.20261025211220-e0d1de047585/go.mod h1:ouERNpZizzwZ0HLEtAypsY9FR20FyUgUYRni6J7kVCY=
|
||||
git.novox.be/novox/mesh-sdk/go v0.1.14-0.20261023150321-a2c813a6b468 h1:UcMee+IV2ii5E4dRZdQUaSaeh9IedTFYumuQbBiB0k0=
|
||||
git.novox.be/novox/mesh-sdk/go v0.1.14-0.20261023150321-a2c813a6b468/go.mod h1:ouERNpZizzwZ0HLEtAypsY9FR20FyUgUYRni6J7kVCY=
|
||||
github.com/antithesishq/antithesis-sdk-go v0.7.0-default-no-op h1:Z/MZK75wC/NSrkgqeNIa7jexam9uWzhLmFTSCPI/kn0=
|
||||
github.com/antithesishq/antithesis-sdk-go v0.7.0-default-no-op/go.mod h1:FQyySiasQQM8735Ddel3MRojmy4dA1IqCeyJ5jmPMbI=
|
||||
github.com/google/go-tpm v0.9.8 h1:slArAR9Ft+1ybZu0lBwpSmpwhRXaa85hWtMinMyRAWo=
|
||||
|
||||
@@ -2,28 +2,24 @@ package assign
|
||||
|
||||
import (
|
||||
"fmt"
|
||||
"regexp"
|
||||
"strings"
|
||||
"time"
|
||||
|
||||
"git.novox.be/novox/mesh-sdk/go/asks"
|
||||
"git.novox.be/novox/mesh-sdk/go/delivery"
|
||||
)
|
||||
|
||||
// HoldAsk is the ask about a module's fingerprint the assigner holds, at its key (delivery.HoldAskKey): keep it held or
|
||||
// release it. Releasing writes the held fingerprint's want again by the rules (ADR 0539 §19). node and words are the held
|
||||
// record's: the machine whose health check failed and the hold's words (issue 1906). asking numbers the writing: 0 the first, a
|
||||
// larger number an ask written again after a hold lifted by itself, so the router takes it as new.
|
||||
func HoldAsk(key, module, fp, node, words string, asking int, now time.Time) delivery.AssignerAsk {
|
||||
return delivery.AssignerAsk{Asking: asking, Ask: asks.Ask{
|
||||
ID: delivery.AskingID(key, asking),
|
||||
// HoldAsk is the ask about a module's fingerprint the assigner holds, at its key (delivery.HoldAskKey), first asking: keep
|
||||
// it held or release it. Both options acknowledge and bind nothing: in release 5 the wants are only compared, so no answer
|
||||
// changes what a node runs (ADR 0429 §7); the node agent acts on the hold from release 6.
|
||||
func HoldAsk(key, module, fp string, now time.Time) delivery.AssignerAsk {
|
||||
return delivery.AssignerAsk{Ask: asks.Ask{
|
||||
ID: delivery.AskingID(key, 0),
|
||||
Headline: fmt.Sprintf("%s is held at %s", module, short(fp)),
|
||||
Explanation: fmt.Sprintf("The health check of %s failed on %s at %s (%s), so the assigner holds that version and wants "+
|
||||
"no node to move to it. It lifts the hold by itself once every node that runs %s runs it healthy; releasing it "+
|
||||
"lets the wants move to it now.", module, node, short(fp), words, module),
|
||||
Explanation: fmt.Sprintf("A node's health check of %s failed at %s, so the assigner holds that version and wants "+
|
||||
"no node to move to it. Until release 6 this changes nothing a node runs: the controller still sends.", module, short(fp)),
|
||||
Options: []asks.Option{
|
||||
{ID: "keep", Label: "Keep it held", Does: "the version stays held", Level: asks.Acknowledge},
|
||||
{ID: "release", Label: "Release it", Does: "the version is released and the wants move to it by the rules again", Level: asks.Acknowledge},
|
||||
{ID: "release", Label: "Release it", Does: "the version is released when wants are applied, from release 6", Level: asks.Acknowledge},
|
||||
},
|
||||
Who: asks.Operator,
|
||||
Expires: now.Add(7 * 24 * time.Hour),
|
||||
@@ -31,176 +27,3 @@ func HoldAsk(key, module, fp, node, words string, asking int, now time.Time) del
|
||||
About: key,
|
||||
}}
|
||||
}
|
||||
|
||||
// The options of the restore ask (ADR 0537 §3, ADR 0539 §19), and what each does on the node.
|
||||
const (
|
||||
OptionRestore = "restore"
|
||||
OptionLeaveStopped = "leave-stopped"
|
||||
)
|
||||
|
||||
// RestoreAsk is the ask about a module holding data whose fingerprint failed its health check on a node (ADR 0429 §6): it is
|
||||
// not set back by itself, since a set-back would lose the writes made since. words is the check's words. Restore sets the
|
||||
// node back to the last healthy fingerprint and loses the newer writes; leaving it stopped keeps the data as it is.
|
||||
func RestoreAsk(key, node, module, fp, words string, now time.Time) delivery.AssignerAsk {
|
||||
return delivery.AssignerAsk{Ask: asks.Ask{
|
||||
ID: delivery.AskingID(key, 0),
|
||||
Headline: fmt.Sprintf("%s failed its health check on %s", module, node),
|
||||
Explanation: fmt.Sprintf("%s holds data, and its health check failed on %s at %s: %s. Setting it back to the version that ran healthy "+
|
||||
"would lose the writes made since; leaving it stopped keeps the data as it is.", module, node, short(fp), words),
|
||||
Options: []asks.Option{
|
||||
{ID: OptionRestore, Label: "Restore it", Does: "the node is set back to the last healthy version and the newer writes are lost", Level: asks.Acknowledge},
|
||||
{ID: OptionLeaveStopped, Label: "Leave it stopped", Does: "the module stays as it is on the node and the data is kept", Level: asks.Acknowledge},
|
||||
},
|
||||
Who: asks.Operator,
|
||||
Expires: now.Add(7 * 24 * time.Hour),
|
||||
OnExpiry: "the module stays as it is on the node",
|
||||
About: key,
|
||||
}}
|
||||
}
|
||||
|
||||
// HeldCondition is the condition the assigner raises when it holds a fingerprint of a module (ADR 0429 §6, ADR 0539 §19), or
|
||||
// clears (raised false) when the hold is released. It names the module, the node whose health check failed and the check's
|
||||
// words, under the assigner's own name (ADR 0437 clause 9), keyed by the held fingerprint. needsYou is true for a module holding
|
||||
// data, whose restore ask waits for the operator.
|
||||
func HeldCondition(module, fp, node, words string, raised, needsYou bool) asks.Condition {
|
||||
key := delivery.AssignerModule + ".held." + module + "." + strings.TrimPrefix(fp, delivery.SourcePrefix2)
|
||||
subject := asks.Scope{Scope: "module", ID: module, Machine: node}
|
||||
if !raised {
|
||||
return asks.Condition{Key: key, Subject: subject, State: asks.StateCleared}
|
||||
}
|
||||
c := asks.Condition{Key: key, Severity: asks.SeverityWarning, Subject: subject, State: asks.StateRaised,
|
||||
Summary: fmt.Sprintf("%s is held at %s", module, short(fp)),
|
||||
Headline: fmt.Sprintf("%s is held at %s", module, short(fp))}
|
||||
what := fmt.Sprintf("The health check of %s failed on %s at %s: %s. The assigner holds that version and wants no node to move to it.", module, node, short(fp), words)
|
||||
if needsYou {
|
||||
c.Needs = "answer whether to restore " + module + " on " + node
|
||||
c.Explanation = asks.NeedsYou + c.Needs + ". " + what
|
||||
} else {
|
||||
c.Explanation = asks.NothingToDo + " " + what + " Nodes that wanted it are set back to the version that ran healthy."
|
||||
}
|
||||
return c
|
||||
}
|
||||
|
||||
// NeitherCondition is the condition of a module assigned to node that holds no want for it (issue 1945): the node's own composition
|
||||
// gives up every module with a fingerprint of the new form, so nothing applies it there and its files are gone. It is raised (urgent)
|
||||
// naming the module, the node and the rule holding its first want back with the rule's words, under the assigner's own name keyed by
|
||||
// node and module, and cleared (raised false) when the node has a want for it again.
|
||||
func NeitherCondition(node, module string, h Holding, raised bool) asks.Condition {
|
||||
key := delivery.AssignerModule + ".neither." + node + "." + module
|
||||
subject := asks.Scope{Scope: "module", ID: module, Machine: node}
|
||||
if !raised {
|
||||
return asks.Condition{Key: key, Subject: subject, State: asks.StateCleared,
|
||||
Resolved: fmt.Sprintf("%s on %s has a want again, so its own composition is applied there.", module, node)}
|
||||
}
|
||||
headline := fmt.Sprintf("%s on %s is on no list", module, node)
|
||||
if n := len([]rune(headline)); n > asks.HeadlineLength {
|
||||
headline = string([]rune(headline)[:asks.HeadlineLength])
|
||||
}
|
||||
return asks.Condition{Key: key, Severity: asks.SeverityUrgent, Subject: subject, State: asks.StateRaised,
|
||||
Summary: headline, Headline: headline,
|
||||
Explanation: fmt.Sprintf("%s %s is assigned to %s, but the node holds no want for it and the node's own composition does not "+
|
||||
"hold it either, so nothing applies it there. The assigner's rule %d holds its first want back: %s. The assigner writes the want once the "+
|
||||
"rule holds, and clears this.", asks.NothingToDo, module, node, h.Rule, h.Words)}
|
||||
}
|
||||
|
||||
// LiftedCondition clears the condition of a held fingerprint the assigner lifted by itself, saying why (issue 1906).
|
||||
func LiftedCondition(module, fp string) asks.Condition {
|
||||
c := HeldCondition(module, fp, "", "", false, false)
|
||||
c.Resolved = LiftedWords(module, fp) + "."
|
||||
return c
|
||||
}
|
||||
|
||||
// The options of the record ask (ADR 0539 §14) and of the backup ask (§16).
|
||||
const (
|
||||
OptionYes = "yes"
|
||||
OptionNo = "no"
|
||||
OptionBackupAgain = delivery.BackupAgain
|
||||
OptionBackupSkip = delivery.BackupSkip
|
||||
)
|
||||
|
||||
// RecordAsk is the ask about a move of a module of policy record on node to the composition with the digest, judged by the
|
||||
// controller to recreate a container, to move data, or not to be judgeable (ADR 0539 §14). The want names the composition only
|
||||
// after the answer yes. The way the move was judged is in the ask.
|
||||
func RecordAsk(key, node, module, fp string, need RecordNeed, now time.Time) delivery.AssignerAsk {
|
||||
what := map[delivery.Judgement]string{
|
||||
delivery.JudgedRecreates: "recreates a container",
|
||||
delivery.JudgedMovesData: "moves the module's data",
|
||||
delivery.JudgedCannot: "cannot be judged: " + need.Words,
|
||||
}[need.Judgement]
|
||||
return delivery.AssignerAsk{Ask: asks.Ask{
|
||||
ID: delivery.AskingID(key, 0),
|
||||
Headline: fmt.Sprintf("%s waits for your yes on %s", module, node),
|
||||
Explanation: fmt.Sprintf("%s is recorded: a person takes each of its moves. The next one on %s (version %s) %s. "+
|
||||
"The node is told to apply it only after you say yes.", module, node, short(fp), what),
|
||||
Options: []asks.Option{
|
||||
{ID: OptionYes, Label: "Yes, move it", Does: "the node is told to apply the new composition of " + module, Level: asks.Acknowledge},
|
||||
{ID: OptionNo, Label: "No, not now", Does: "the node keeps what it runs", Level: asks.Acknowledge},
|
||||
},
|
||||
Who: asks.Operator,
|
||||
Expires: now.Add(7 * 24 * time.Hour),
|
||||
OnExpiry: "the node keeps what it runs",
|
||||
About: key,
|
||||
}}
|
||||
}
|
||||
|
||||
// NextBackupAsking is the number of the asking that follows the one numbered after (a negative number: none yet). Numbers 0 and 1
|
||||
// give one id (delivery.AskingID), so the first asking is 0 and the next 2.
|
||||
func NextBackupAsking(after int) int {
|
||||
if after < 0 {
|
||||
return 0
|
||||
}
|
||||
return max(after+1, 2)
|
||||
}
|
||||
|
||||
var backupDigest = regexp.MustCompile(`\(composition (sha256:[0-9a-f]{64})\)`)
|
||||
|
||||
// BackupAskDigest is the digest of the composition a backup ask was made about, from its explanation; empty for an ask that names
|
||||
// none. An answer is taken for the composition of the ask it answers, and a new revision at the same fingerprint is asked again
|
||||
// under a new number (ADR 0539 §16).
|
||||
func BackupAskDigest(a delivery.AssignerAsk) string {
|
||||
if m := backupDigest.FindStringSubmatch(a.Ask.Explanation); m != nil {
|
||||
return m[1]
|
||||
}
|
||||
return ""
|
||||
}
|
||||
|
||||
// BackupAnswerWords are the words of a want carrying the answer to the asking-th ask: each asking's answer is another want
|
||||
// value, so a backup that fails again after "back up again" and is answered "again" again changes the key and the node retries.
|
||||
func BackupAnswerWords(option string, asking int) string {
|
||||
return fmt.Sprintf("the operator answered %q to the backup ask (asking %d)", option, asking+1)
|
||||
}
|
||||
|
||||
// BackupAsk is the ask about a backup of a module on node that failed before an apply (ADR 0539 §16): back up again, or go on
|
||||
// without a backup. digest is the composition about to be applied and asking the number of the asking, 0 the first; words are the
|
||||
// backup's own words, from the node's have.
|
||||
func BackupAsk(key, node, module, fp, digest, words string, asking int, now time.Time) delivery.AssignerAsk {
|
||||
return delivery.AssignerAsk{Asking: asking, Ask: asks.Ask{
|
||||
ID: delivery.AskingID(key, asking),
|
||||
Headline: fmt.Sprintf("The backup of %s failed on %s", module, node),
|
||||
Explanation: fmt.Sprintf("The backup before applying %s at %s on %s failed: %s. %s keeps running what it has until you answer. (composition %s)",
|
||||
module, short(fp), node, words, module, digest),
|
||||
Options: []asks.Option{
|
||||
{ID: OptionBackupAgain, Label: "Back up again", Does: "the node tries the backup again before it applies", Level: asks.Acknowledge},
|
||||
{ID: OptionBackupSkip, Label: "Go on without a backup", Does: "the node applies the new version without a backup", Level: asks.Acknowledge},
|
||||
},
|
||||
Who: asks.Operator,
|
||||
Expires: now.Add(7 * 24 * time.Hour),
|
||||
OnExpiry: "the module keeps running what it has",
|
||||
About: key,
|
||||
}}
|
||||
}
|
||||
|
||||
// BackupCondition is the condition raised when a backup before an apply fails and the module is held on the node (ADR 0539 §16),
|
||||
// naming the node, the module and the backup's words; cleared under the same key.
|
||||
func BackupCondition(node, module, fp, words string, raised bool) asks.Condition {
|
||||
key := delivery.AssignerModule + ".backup." + node + "." + module + "." + strings.TrimPrefix(fp, delivery.SourcePrefix2)
|
||||
subject := asks.Scope{Scope: "module", ID: module, Machine: node}
|
||||
if !raised {
|
||||
return asks.Condition{Key: key, Subject: subject, State: asks.StateCleared}
|
||||
}
|
||||
headline := fmt.Sprintf("The backup of %s failed on %s", module, node)
|
||||
needs := "answer whether to back up again or go on without a backup"
|
||||
return asks.Condition{Key: key, Severity: asks.SeverityWarning, Subject: subject, State: asks.StateRaised,
|
||||
Summary: headline, Headline: headline, Needs: needs,
|
||||
Explanation: asks.NeedsYou + needs + ". The backup before applying " + module + " at " + short(fp) + " on " + node + " failed: " + words + "."}
|
||||
}
|
||||
|
||||
@@ -1,11 +1,9 @@
|
||||
package assign
|
||||
|
||||
import (
|
||||
"strings"
|
||||
"testing"
|
||||
"time"
|
||||
|
||||
"git.novox.be/novox/mesh-sdk/go/asks"
|
||||
"git.novox.be/novox/mesh-sdk/go/delivery"
|
||||
)
|
||||
|
||||
@@ -17,39 +15,7 @@ func TestTheHoldAskIsValid(t *testing.T) {
|
||||
t.Fatal(err)
|
||||
}
|
||||
now := time.Now()
|
||||
a := HoldAsk(key, "mail", fNew, "ace", "health failed, phase running: connection refused", 0, now)
|
||||
if err := a.Ask.Check(now); err != nil {
|
||||
t.Errorf("the router refuses the ask: %v", err)
|
||||
}
|
||||
if _, err := delivery.EncodeAssignerAsk(key, a); err != nil {
|
||||
t.Errorf("the ask cannot be written: %v", err)
|
||||
}
|
||||
// 1906/H3: the ask names the machine whose check failed and the hold's words.
|
||||
if !strings.Contains(a.Ask.Explanation, "on ace") || !strings.Contains(a.Ask.Explanation, "connection refused") {
|
||||
t.Errorf("the ask does not name the node and the hold's words: %q", a.Ask.Explanation)
|
||||
}
|
||||
// 1906/H2: an ask written again after a lift is another asking, under an id of its own.
|
||||
again := HoldAsk(key, "mail", fNew, "ace", "x", 7, now)
|
||||
if again.Asking != 7 || again.Ask.ID != delivery.AskingID(key, 7) || again.Ask.ID == a.Ask.ID {
|
||||
t.Errorf("the asking after a lift = %d %s", again.Asking, again.Ask.ID)
|
||||
}
|
||||
if _, err := delivery.EncodeAssignerAsk(key, again); err != nil {
|
||||
t.Errorf("the ask asked again cannot be written: %v", err)
|
||||
}
|
||||
if _, err := delivery.ViewAnswerKey(key); err != nil {
|
||||
t.Errorf("the view may not answer it: %v", err)
|
||||
}
|
||||
}
|
||||
|
||||
// 1906/D3 (ADR 0539 §19): the ask about a data module held on a node is a valid ask of the router and of mesh-sdk's layout at
|
||||
// its restore key, of a kind the view may answer; it offers restoring (losing the newer writes) and leaving it stopped.
|
||||
func TestTheRestoreAskIsValid(t *testing.T) {
|
||||
key, err := delivery.RestoreAskKey("ace", "mail", fNew)
|
||||
if err != nil {
|
||||
t.Fatal(err)
|
||||
}
|
||||
now := time.Now()
|
||||
a := RestoreAsk(key, "ace", "mail", fNew, "connection refused", now)
|
||||
a := HoldAsk(key, "mail", fNew, now)
|
||||
if err := a.Ask.Check(now); err != nil {
|
||||
t.Errorf("the router refuses the ask: %v", err)
|
||||
}
|
||||
@@ -59,145 +25,4 @@ func TestTheRestoreAskIsValid(t *testing.T) {
|
||||
if _, err := delivery.ViewAnswerKey(key); err != nil {
|
||||
t.Errorf("the view may not answer it: %v", err)
|
||||
}
|
||||
var ids []string
|
||||
for _, o := range a.Ask.Options {
|
||||
ids = append(ids, o.ID)
|
||||
}
|
||||
if len(ids) != 2 || ids[0] != OptionRestore || ids[1] != OptionLeaveStopped {
|
||||
t.Errorf("options = %v", ids)
|
||||
}
|
||||
if !strings.Contains(a.Ask.Explanation, "connection refused") || !strings.Contains(a.Ask.Explanation, "ace") {
|
||||
t.Errorf("the ask does not name the node and the check's words: %q", a.Ask.Explanation)
|
||||
}
|
||||
}
|
||||
|
||||
// 1906/D3: the condition for a held fingerprint names the module, the node and the check's words, under the assigner's own
|
||||
// name (ADR 0437 clause 9), and is cleared under the same key.
|
||||
func TestTheHeldConditionNamesModuleNodeAndWords(t *testing.T) {
|
||||
c := HeldCondition("mail", fNew, "ace", "connection refused", true, true)
|
||||
if _, err := asks.EncodeCondition(c); err != nil {
|
||||
t.Fatalf("the condition is refused: %v", err)
|
||||
}
|
||||
if c.State != asks.StateRaised || c.Subject.ID != "mail" || c.Subject.Machine != "ace" || !strings.Contains(c.Explanation, "connection refused") || !strings.Contains(c.Key, "mail") {
|
||||
t.Errorf("condition = %+v", c)
|
||||
}
|
||||
if got := HeldCondition("mail", fNew, "", "", false, false); got.State != asks.StateCleared || got.Key != c.Key {
|
||||
t.Errorf("cleared = %+v", got)
|
||||
}
|
||||
}
|
||||
|
||||
// 1906/H2: a hold lifted by itself clears the held condition under its key, saying why.
|
||||
func TestALiftedHoldClearsItsConditionSayingWhy(t *testing.T) {
|
||||
c := LiftedCondition("mail", fNew)
|
||||
if _, err := asks.EncodeCondition(c); err != nil {
|
||||
t.Fatalf("the condition is refused: %v", err)
|
||||
}
|
||||
if c.State != asks.StateCleared || c.Key != HeldCondition("mail", fNew, "ace", "x", true, false).Key || !strings.Contains(c.Resolved, "lifted its hold by itself") {
|
||||
t.Errorf("condition = %+v", c)
|
||||
}
|
||||
}
|
||||
|
||||
// 1906/D4: the record ask and the backup ask are valid asks of the router and of mesh-sdk's layout at their keys, answerable in
|
||||
// the view, and name the move and the node.
|
||||
func TestTheRecordAndBackupAsksAreValid(t *testing.T) {
|
||||
now := time.Now()
|
||||
rkey, err := delivery.RecordAskKey("ace", "mail", "sha256:"+strings.Repeat("b", 64))
|
||||
if err != nil {
|
||||
t.Fatal(err)
|
||||
}
|
||||
r := RecordAsk(rkey, "ace", "mail", fNew, RecordNeed{Node: "ace", Digest: "sha256:" + strings.Repeat("b", 64), Judgement: delivery.JudgedCannot, Words: "the composition it runs is gone"}, now)
|
||||
bkey, err := delivery.BackupAskKey("ace", "mail", fNew)
|
||||
if err != nil {
|
||||
t.Fatal(err)
|
||||
}
|
||||
dgst := "sha256:" + strings.Repeat("b", 64)
|
||||
b := BackupAsk(bkey, "ace", "mail", fNew, dgst, "no space left", 0, now)
|
||||
for key, a := range map[string]delivery.AssignerAsk{rkey: r, bkey: b} {
|
||||
if err := a.Ask.Check(now); err != nil {
|
||||
t.Errorf("%s: the router refuses the ask: %v", key, err)
|
||||
}
|
||||
if _, err := delivery.EncodeAssignerAsk(key, a); err != nil {
|
||||
t.Errorf("%s: cannot be written: %v", key, err)
|
||||
}
|
||||
if _, err := delivery.ViewAnswerKey(key); err != nil {
|
||||
t.Errorf("%s: the view may not answer it: %v", key, err)
|
||||
}
|
||||
}
|
||||
if !strings.Contains(r.Ask.Explanation, "gone") || r.Ask.Options[0].ID != OptionYes {
|
||||
t.Errorf("the record ask = %+v", r.Ask)
|
||||
}
|
||||
if !strings.Contains(b.Ask.Explanation, "no space left") || b.Ask.Options[0].ID != delivery.BackupAgain || b.Ask.Options[1].ID != delivery.BackupSkip {
|
||||
t.Errorf("the backup ask = %+v", b.Ask)
|
||||
}
|
||||
// the id binds the ask to the composition and to its number (review round 1, items 3 and 4)
|
||||
if again := BackupAsk(bkey, "ace", "mail", fNew, dgst, "x", NextBackupAsking(0), now); again.Ask.ID == b.Ask.ID {
|
||||
t.Errorf("asked again under the same id")
|
||||
}
|
||||
if NextBackupAsking(-1) != 0 || NextBackupAsking(0) != 2 || NextBackupAsking(2) != 3 {
|
||||
t.Errorf("the numbers of the askings: %d %d %d", NextBackupAsking(-1), NextBackupAsking(0), NextBackupAsking(2))
|
||||
}
|
||||
if BackupAskDigest(b) != dgst {
|
||||
t.Errorf("the ask names composition %q, want %q", BackupAskDigest(b), dgst)
|
||||
}
|
||||
if BackupAnswerWords("again", 0) == BackupAnswerWords("again", 1) {
|
||||
t.Errorf("two answers of the same option are one want value")
|
||||
}
|
||||
c := BackupCondition("ace", "mail", fNew, "no space left", true)
|
||||
if _, err := asks.EncodeCondition(c); err != nil {
|
||||
t.Errorf("the backup condition is refused: %v", err)
|
||||
}
|
||||
// ADR 0546 clauses 7 and 8: a put's ask is valid at the record ask's key; for the bus its yes approves and binds the act,
|
||||
// so the view cannot answer it, and it lasts no longer than an approving ask may.
|
||||
put := delivery.Put{FP: fNew, Why: "the bus's user list", Hold: true}
|
||||
d := delivery.ComposedDigest{Digest: dgst, Judgement: delivery.JudgedCannot, Words: "the have names no composition"}
|
||||
for _, bus := range []bool{false, true} {
|
||||
a, err := PutAsk(rkey, "ace", "mail", put, d, bus, now)
|
||||
if err != nil {
|
||||
t.Fatalf("bus %v: %v", bus, err)
|
||||
}
|
||||
if err := a.Ask.Check(now); err != nil {
|
||||
t.Errorf("bus %v: the router refuses the put's ask: %v", bus, err)
|
||||
}
|
||||
if _, err := delivery.EncodeAssignerAsk(rkey, a); err != nil {
|
||||
t.Errorf("bus %v: the put's ask cannot be written: %v", bus, err)
|
||||
}
|
||||
viewed := delivery.ViewAnswerFits(delivery.ViewAnswer{Asking: a.Ask.ID, Option: OptionYes}, a)
|
||||
yes := a.Ask.Options[0]
|
||||
switch {
|
||||
case !strings.Contains(a.Ask.Explanation, "the bus's user list"):
|
||||
t.Errorf("bus %v: the put's ask does not say why: %s", bus, a.Ask.Explanation)
|
||||
case bus && (yes.Level != asks.Approve || yes.Binds == "" || viewed == nil || a.Ask.Expires.After(now.Add(asks.ApproveLasts))):
|
||||
t.Errorf("bus: the yes is %+v, the view's answer %v, expiring %s", yes, viewed, a.Ask.Expires)
|
||||
case !bus && (yes.Level != asks.Acknowledge || viewed != nil):
|
||||
t.Errorf("a recorded module: the yes is %+v, the view's answer %v", yes, viewed)
|
||||
}
|
||||
later := put
|
||||
later.At = now.Add(time.Minute)
|
||||
b, _ := PutAsk(rkey, "ace", "mail", later, d, bus, now)
|
||||
if b.Ask.ID == a.Ask.ID || b.Asking != PutAsking(later) {
|
||||
t.Errorf("bus %v: a later put's ask is asking %d under id %q, the earlier's %q", bus, b.Asking, b.Ask.ID, a.Ask.ID)
|
||||
}
|
||||
if err := yes.Performs(PutAct("ace", "mail", fNew, dgst)); err != nil {
|
||||
t.Errorf("bus %v: the yes does not perform the act it bound: %v", bus, err)
|
||||
}
|
||||
if err := yes.Performs(PutAct("ace", "mail", fNew, dig(fOld))); bus && err == nil {
|
||||
t.Errorf("bus: the yes performs another composition's act")
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
// 1945/AC21: the condition of a module on neither list is urgent, names the module, the node and the rule holding its want back,
|
||||
// under the assigner's own name keyed by node and module, and is cleared under the same key.
|
||||
func TestTheNeitherConditionNamesModuleNodeAndRule(t *testing.T) {
|
||||
c := NeitherCondition("g14", "i3status-rust", Holding{Rule: delivery.RuleProviders, Words: "no provider of x11-display runs healthy on g14 or at its canary"}, true)
|
||||
if _, err := asks.EncodeCondition(c); err != nil {
|
||||
t.Fatalf("the condition is refused: %v", err)
|
||||
}
|
||||
if c.State != asks.StateRaised || c.Severity != asks.SeverityUrgent || c.Subject.ID != "i3status-rust" || c.Subject.Machine != "g14" ||
|
||||
!strings.Contains(c.Explanation, "x11-display") || !strings.Contains(c.Explanation, "rule 5") || c.Key != "mesh-delivery-assigner.neither.g14.i3status-rust" {
|
||||
t.Errorf("condition = %+v", c)
|
||||
}
|
||||
if got := NeitherCondition("g14", "i3status-rust", Holding{}, false); got.State != asks.StateCleared || got.Key != c.Key {
|
||||
t.Errorf("cleared = %+v", got)
|
||||
}
|
||||
}
|
||||
|
||||
@@ -0,0 +1,52 @@
|
||||
package assign
|
||||
|
||||
import (
|
||||
"fmt"
|
||||
|
||||
"git.novox.be/novox/mesh-sdk/go/delivery"
|
||||
)
|
||||
|
||||
// Sent is what the controller sends a node of a module: whether it sends it at all (an open assignment), the build its
|
||||
// assignment names, and that build's fingerprint of the new form (empty when its record names none).
|
||||
type Sent struct {
|
||||
Sends bool
|
||||
Build string
|
||||
FP string
|
||||
}
|
||||
|
||||
// Compare is the difference between a node's want for a module and what the controller sends it (ADR 0528 clause 4),
|
||||
// and whether there is one. want is nil when the assigner wrote none; newest is the module's newest fingerprint and
|
||||
// hold the rule that holds the node back from it (Rule 0 when none does). A difference is explained by a rule when the
|
||||
// controller sent the newest fingerprint while that rule holds the node's want back; every other is unexplained, said
|
||||
// in words, for acceptance test 17 of design 47 to read.
|
||||
func Compare(want *delivery.Want, sent Sent, newest string, hold Holding) (delivery.Difference, bool) {
|
||||
var d delivery.Difference
|
||||
removed := want != nil && want.Removed
|
||||
if want != nil && !removed {
|
||||
d.Want = want.FP
|
||||
}
|
||||
d.WantRemoved = removed
|
||||
if !sent.Sends {
|
||||
if want == nil || removed {
|
||||
return delivery.Difference{}, false
|
||||
}
|
||||
d.Unexplained, d.Words = true, "the node wants "+short(want.FP)+" and the controller sends it nothing"
|
||||
return d, true
|
||||
}
|
||||
d.Sent, d.SentBuild = sent.FP, sent.Build
|
||||
switch {
|
||||
case sent.FP == "":
|
||||
d.Unexplained, d.Words = true, fmt.Sprintf("the build %s the controller sends names no fingerprint of the new form", sent.Build)
|
||||
case removed:
|
||||
d.Unexplained, d.Words = true, fmt.Sprintf("the want is removed and the controller still sends %s", short(sent.FP))
|
||||
case sent.FP == d.Want:
|
||||
return delivery.Difference{}, false
|
||||
case hold.Rule != 0 && sent.FP == newest:
|
||||
d.Rule, d.Words = hold.Rule, fmt.Sprintf("the controller sent %s while %s", short(sent.FP), hold.Words)
|
||||
case d.Want == "":
|
||||
d.Unexplained, d.Words = true, fmt.Sprintf("the controller sends %s and the node has no want", short(sent.FP))
|
||||
default:
|
||||
d.Unexplained, d.Words = true, fmt.Sprintf("the controller sends %s and the node wants %s", short(sent.FP), short(d.Want))
|
||||
}
|
||||
return d, true
|
||||
}
|
||||
@@ -0,0 +1,59 @@
|
||||
package assign
|
||||
|
||||
import (
|
||||
"testing"
|
||||
|
||||
"git.novox.be/novox/mesh-sdk/go/delivery"
|
||||
)
|
||||
|
||||
// 1297/B5: given the controller sent F to a node while the canary is not yet healthy on F, the difference names rule 3.
|
||||
func TestADifferenceExplainedByTheCanary(t *testing.T) {
|
||||
m, n := ready()
|
||||
n.Haves["ace"]["mail"] = delivery.Have{FP: fOld, Phase: delivery.PhaseRunning, Health: delivery.HealthOK}
|
||||
out := Wants(m, n, wantedOld(), nil)
|
||||
want := delivery.Want{FP: fOld, Newest: fNew, Rule: delivery.RuleCanary}
|
||||
d, ok := Compare(&want, Sent{Sends: true, Build: "b-9", FP: fNew}, fNew, out.Rules["g14"])
|
||||
if !ok || d.Rule != delivery.RuleCanary || d.Unexplained || d.Want != fOld || d.Sent != fNew {
|
||||
t.Fatalf("difference = %+v, %v; want rule 3", d, ok)
|
||||
}
|
||||
if _, err := delivery.EncodeDifference(d); err != nil {
|
||||
t.Errorf("the difference cannot be written: %v", err)
|
||||
}
|
||||
}
|
||||
|
||||
// 1297/B5: a want equal to what is sent is no difference; nothing sent and no want is none; every other is written
|
||||
// unexplained, with words, and is writable.
|
||||
func TestCompare(t *testing.T) {
|
||||
w := delivery.Want{FP: fNew}
|
||||
if _, ok := Compare(&w, Sent{Sends: true, Build: "b", FP: fNew}, fNew, Holding{}); ok {
|
||||
t.Errorf("an equal want and send is a difference")
|
||||
}
|
||||
if _, ok := Compare(nil, Sent{}, fNew, Holding{}); ok {
|
||||
t.Errorf("no want and nothing sent is a difference")
|
||||
}
|
||||
removed := delivery.Want{Removed: true}
|
||||
if _, ok := Compare(&removed, Sent{}, fNew, Holding{}); ok {
|
||||
t.Errorf("a removed want and nothing sent is a difference")
|
||||
}
|
||||
old := delivery.Want{FP: fOld}
|
||||
for name, c := range map[string]struct {
|
||||
want *delivery.Want
|
||||
sent Sent
|
||||
}{
|
||||
"sends an older one": {&w, Sent{Sends: true, Build: "b", FP: fOld}},
|
||||
"names no fingerprint": {&w, Sent{Sends: true, Build: "b"}},
|
||||
"sends a removed module": {&removed, Sent{Sends: true, Build: "b", FP: fNew}},
|
||||
"sends nothing": {&w, Sent{}},
|
||||
"no want": {nil, Sent{Sends: true, Build: "b", FP: fNew}},
|
||||
"no rule holds it back": {&old, Sent{Sends: true, Build: "b", FP: fNew}},
|
||||
} {
|
||||
d, ok := Compare(c.want, c.sent, fNew, Holding{})
|
||||
if !ok || !d.Unexplained || d.Words == "" {
|
||||
t.Errorf("%s: difference = %+v, %v; want it unexplained, with words", name, d, ok)
|
||||
continue
|
||||
}
|
||||
if _, err := delivery.EncodeDifference(d); err != nil {
|
||||
t.Errorf("%s: the difference cannot be written: %v", name, err)
|
||||
}
|
||||
}
|
||||
}
|
||||
@@ -32,9 +32,6 @@ type Mesh struct {
|
||||
Manifests map[string]catalogue.Manifest
|
||||
Unreadable map[string]string
|
||||
Assigned map[string][]string
|
||||
// Digests is every trunk module's manifest digest in the indexer's manifests bucket, readable or not: what a
|
||||
// composer at another mesh-sdk reads (issue 1622).
|
||||
Digests map[string]string
|
||||
}
|
||||
|
||||
// Change is a group's change as the indexer's candidate holds it: the manifest of every module it moves or adds, those
|
||||
@@ -48,10 +45,6 @@ type Change struct {
|
||||
Twice map[string][]string
|
||||
SDKHead string
|
||||
Rebuilt int
|
||||
// Digests is the manifest digest of every module the change moves or adds, readable by the assigner or not, and
|
||||
// Members the head of each member by repository: what a composer at the group's mesh-sdk reads (issues 1622, 1623).
|
||||
Digests map[string]string
|
||||
Members map[string]string
|
||||
}
|
||||
|
||||
// Touched is the machines a change touches (ADR 0446 clause 3): those running a module the change moves, adds or
|
||||
@@ -174,19 +167,13 @@ func Compose(m Mesh, c Change, sdk string, took time.Duration) delivery.Composit
|
||||
failAt(node, fmt.Sprintf("%s composes on the trunk and not with the change: %v", node, now))
|
||||
}
|
||||
}
|
||||
if c.Rebuilt > delivery.CompositionRebuildWarning {
|
||||
v.Warnings = append(v.Warnings, fmt.Sprintf("the merge rebuilds %d modules, more than %d", c.Rebuilt, delivery.CompositionRebuildWarning))
|
||||
}
|
||||
if c.SDKHead != "" {
|
||||
v.Warnings = append(v.Warnings, fmt.Sprintf("composed with the assigner's own mesh-sdk %s, not the group's mesh-sdk head %s, "+
|
||||
"and a field the running controller cannot read is not judged (issues 1621, 1622, 1623)", sdk, c.SDKHead))
|
||||
}
|
||||
return finish(v, m, c, machines, fails)
|
||||
}
|
||||
|
||||
// finish adds what every composition says beside its own judgement (more modules rebuilt than CompositionRebuildWarning,
|
||||
// what is not judged, the machines not composed, a change that touches none) and its state from fails.
|
||||
func finish(v delivery.CompositionVerdict, m Mesh, c Change, machines []string, fails []string) delivery.CompositionVerdict {
|
||||
if c.Rebuilt > delivery.CompositionRebuildWarning {
|
||||
v.Warnings = append(v.Warnings, fmt.Sprintf("the merge rebuilds %d modules, more than %d", c.Rebuilt, delivery.CompositionRebuildWarning))
|
||||
}
|
||||
v.Warnings = append(v.Warnings, NotJudged)
|
||||
if could := CouldRun(m, c, machines); len(could) > 0 {
|
||||
v.Warnings = append(v.Warnings, "not judged until the facts snapshot is on the bus (issue 1461, ADR 0537 clause 1): "+
|
||||
|
||||
@@ -1,241 +0,0 @@
|
||||
package assign
|
||||
|
||||
import (
|
||||
"encoding/json"
|
||||
"fmt"
|
||||
"slices"
|
||||
"sort"
|
||||
"strings"
|
||||
"time"
|
||||
|
||||
"git.novox.be/novox/mesh-sdk/go/compose"
|
||||
"git.novox.be/novox/mesh-sdk/go/composer"
|
||||
"git.novox.be/novox/mesh-sdk/go/delivery"
|
||||
)
|
||||
|
||||
// The cases of a group's composition at its mesh-sdk head: the trunk as it is, and the trunk with the change.
|
||||
const (
|
||||
CaseTrunk = "trunk"
|
||||
CaseChange = "change"
|
||||
)
|
||||
|
||||
// SDKDir is the directory of mesh-sdk's Go module in its repository, where the composer is built at a head; a reader's
|
||||
// composer is built at its repository's root, at the mesh-sdk its go.mod pins.
|
||||
const SDKDir = "go"
|
||||
|
||||
// The modules whose mesh-sdk reads the manifests a plan sends (ADR 0482 clause 5): the controller composes and sends
|
||||
// them, the node-engine applies them. Each is judged at its repository.
|
||||
var ReaderModules = map[string]string{"mesh-controller": "novox/mesh-controller", "mesh-host": "novox/mesh-host"}
|
||||
|
||||
// HeadJob is the compose job of a group with a mesh-sdk member (ADR 0482 clauses 3 and 4, issue 1622): the composer
|
||||
// built at the member's head composes the machines the change touches, as the trunk holds them and as the change leaves
|
||||
// them, every manifest named by its digest in the indexer's bucket, the seats held from the claims (the assigner's input).
|
||||
func HeadJob(m Mesh, c Change) (delivery.ComposeJob, error) {
|
||||
trunk, change := map[string]composer.Manifest{}, map[string]composer.Manifest{}
|
||||
for name, digest := range m.Digests {
|
||||
trunk[name] = composer.Manifest{Digest: digest}
|
||||
change[name] = composer.Manifest{Digest: digest}
|
||||
}
|
||||
for name, digest := range c.Digests {
|
||||
change[name] = composer.Manifest{Digest: digest}
|
||||
}
|
||||
for _, name := range c.Removed {
|
||||
delete(change, name)
|
||||
}
|
||||
req := composer.Request{V: composer.Version, Input: plainInput(m.Assigned), Depth: composer.DepthResolve,
|
||||
HoldingsFromClaims: true, Machines: Touched(m, c),
|
||||
Cases: []composer.Case{{Name: CaseTrunk, Manifests: trunk}, {Name: CaseChange, Manifests: change}}}
|
||||
return job(SDKRepository, c.SDKHead, SDKDir, req, "the mesh-sdk head of "+c.Group)
|
||||
}
|
||||
|
||||
// ReaderJob is the compose job that reads the manifests a group changes with the mesh-sdk a reader module pins at
|
||||
// commit (ADR 0482 clause 5, issue 1623): no machine is composed, every changed manifest is only read.
|
||||
func ReaderJob(c Change, module, repository, commit string) (delivery.ComposeJob, error) {
|
||||
changed := map[string]composer.Manifest{}
|
||||
for name, digest := range c.Digests {
|
||||
changed[name] = composer.Manifest{Digest: digest}
|
||||
}
|
||||
req := composer.Request{V: composer.Version, Cases: []composer.Case{{Name: CaseChange, Manifests: changed}}}
|
||||
return job(repository, commit, delivery.RootPath, req, module+" at "+commit)
|
||||
}
|
||||
|
||||
func job(repository, commit, dir string, req composer.Request, reader string) (delivery.ComposeJob, error) {
|
||||
raw, err := json.Marshal(req)
|
||||
if err != nil {
|
||||
return delivery.ComposeJob{}, err
|
||||
}
|
||||
return delivery.ComposeJob{Fetch: map[string]any{"repository": repository, "commit": commit}, Dir: dir,
|
||||
Package: composer.Package, Request: raw, Reader: reader}, nil
|
||||
}
|
||||
|
||||
// plainInput is the composition's input without its catalogue: the nodes by name with what is assigned to them (the
|
||||
// composer derives the seats held from the claims, as input does).
|
||||
func plainInput(assigned map[string][]string) compose.Input {
|
||||
var in compose.Input
|
||||
nodes := make([]string, 0, len(assigned))
|
||||
for n := range assigned {
|
||||
nodes = append(nodes, n)
|
||||
}
|
||||
sort.Strings(nodes)
|
||||
for _, n := range nodes {
|
||||
in.Nodes = append(in.Nodes, compose.Node{Name: n, Assigned: slices.Clone(assigned[n])})
|
||||
}
|
||||
return in
|
||||
}
|
||||
|
||||
// Ran is one compose ask's end: its step's state and reason, and the composer's verdict when the step passed.
|
||||
type Ran struct {
|
||||
State string
|
||||
Reason string
|
||||
Verdict *composer.Verdict
|
||||
}
|
||||
|
||||
// RanOf reads a compose ask's end from its step value; a step that passed with an answer that cannot be read is a
|
||||
// failure, named.
|
||||
func RanOf(step delivery.Step) Ran {
|
||||
r := Ran{State: step.State, Reason: step.Reason}
|
||||
if step.State != delivery.StepPassed {
|
||||
return r
|
||||
}
|
||||
var a delivery.ComposeAnswer
|
||||
var v composer.Verdict
|
||||
if err := json.Unmarshal(step.Result, &a); err != nil {
|
||||
return Ran{State: delivery.StepFailed, Reason: "the compose step's answer cannot be read: " + err.Error()}
|
||||
}
|
||||
if err := json.Unmarshal(a.Verdict, &v); err != nil || v.V != composer.Version {
|
||||
return Ran{State: delivery.StepFailed, Reason: fmt.Sprintf("the composer's verdict cannot be read (version %d): %v", v.V, err)}
|
||||
}
|
||||
r.Verdict = &v
|
||||
return r
|
||||
}
|
||||
|
||||
func caseOf(v *composer.Verdict, name string) (composer.CaseVerdict, bool) {
|
||||
if v == nil {
|
||||
return composer.CaseVerdict{}, false
|
||||
}
|
||||
for _, c := range v.Cases {
|
||||
if c.Name == name {
|
||||
return c, true
|
||||
}
|
||||
}
|
||||
return composer.CaseVerdict{}, false
|
||||
}
|
||||
|
||||
// Reader is one module whose mesh-sdk reads the group's manifests, at the commit judged: the group's member head when
|
||||
// the group holds one in its repository, else a build its node runs.
|
||||
type Reader struct {
|
||||
Module, Commit string
|
||||
Member bool
|
||||
Ran Ran
|
||||
}
|
||||
|
||||
// FromComposer is the composition check of a group with a mesh-sdk member, judged from the composer built at its head
|
||||
// (ADR 0482 clauses 3 to 5, issues 1622 and 1623): the same failures as Compose, read from the composer's two cases, the
|
||||
// verdict naming the mesh-sdk the composer was built with; a trunk manifest the head's mesh-sdk refuses fails too (the
|
||||
// group would deliver a reader that refuses it); and each reader that refuses a changed manifest the head reads fails
|
||||
// it, naming the module and its words, unless the reader's mesh-sdk has no composer to ask (before issue 1621), which is
|
||||
// said and judged nothing.
|
||||
func FromComposer(m Mesh, c Change, head Ran, readers []Reader, took time.Duration) delivery.CompositionVerdict {
|
||||
v := delivery.CompositionVerdict{Group: c.Group, Heads: c.Heads, SDK: "mesh-sdk " + c.SDKHead, Took: took.Milliseconds()}
|
||||
machines := Touched(m, c)
|
||||
v.Machines = machines
|
||||
var fails []string
|
||||
if head.State != delivery.StepPassed {
|
||||
v.Words = fmt.Sprintf("the composer at mesh-sdk %s did not run: %s %s", c.SDKHead, head.State, head.Reason)
|
||||
v.State = delivery.CompositionFail
|
||||
return v
|
||||
}
|
||||
if head.Verdict.SDK != "" {
|
||||
v.SDK = head.Verdict.SDK
|
||||
}
|
||||
trunk, okT := caseOf(head.Verdict, CaseTrunk)
|
||||
change, okC := caseOf(head.Verdict, CaseChange)
|
||||
if !okT || !okC {
|
||||
v.State, v.Words = delivery.CompositionFail, "the composer's verdict holds no trunk or no change case"
|
||||
return v
|
||||
}
|
||||
failAt := func(machine, words string) {
|
||||
if v.Machine == "" && machine != "" {
|
||||
v.Machine = machine
|
||||
}
|
||||
fails = append(fails, words)
|
||||
}
|
||||
for _, name := range sortedKeys(c.Digests) {
|
||||
if r := change.Manifests[name]; !r.Accepted {
|
||||
failAt("", fmt.Sprintf("the manifest of %s cannot be read by mesh-sdk %s: %s", name, c.SDKHead, r.Refused))
|
||||
}
|
||||
}
|
||||
for _, name := range sortedKeys(trunk.Manifests) {
|
||||
if _, changed := c.Digests[name]; changed || slices.Contains(c.Removed, name) || trunk.Manifests[name].Accepted {
|
||||
continue
|
||||
}
|
||||
if _, before := m.Unreadable[name]; before {
|
||||
continue // already unreadable on the trunk: not the group's doing
|
||||
}
|
||||
failAt("", fmt.Sprintf("mesh-sdk %s refuses the trunk's manifest of %s, which the group does not change: %s", c.SDKHead, name, trunk.Manifests[name].Refused))
|
||||
}
|
||||
for _, name := range sortedKeys(c.Twice) {
|
||||
failAt("", fmt.Sprintf("%s is defined twice, in %s", name, strings.Join(c.Twice[name], " and ")))
|
||||
}
|
||||
for _, node := range machines {
|
||||
for _, name := range c.Removed {
|
||||
if slices.Contains(m.Assigned[node], name) {
|
||||
failAt(node, fmt.Sprintf("%s runs %s, which the change removes from its source", node, name))
|
||||
}
|
||||
}
|
||||
before, now := trunk.Machines[node], change.Machines[node]
|
||||
switch {
|
||||
case now.Composes:
|
||||
case !before.Composes:
|
||||
v.Warnings = append(v.Warnings, fmt.Sprintf("%s does not compose on the trunk either, so the change is not blamed: %s", node, before.Reason))
|
||||
default:
|
||||
failAt(node, fmt.Sprintf("%s composes on the trunk and not with the change: %s", node, now.Reason))
|
||||
}
|
||||
}
|
||||
readerFails, readerWarnings := judgeReaders(c, change, readers)
|
||||
fails = append(fails, readerFails...)
|
||||
v.Warnings = append(v.Warnings, readerWarnings...)
|
||||
return finish(v, m, c, machines, fails)
|
||||
}
|
||||
|
||||
// NoComposer says whether a compose step failed because the mesh-sdk it was built at has no composer command (a mesh-sdk
|
||||
// from before issue 1621): Go's words for a package its module does not hold.
|
||||
func NoComposer(reason string) bool {
|
||||
for _, words := range []string{"cannot find package", "no required module provides package", "is not in std", "cannot find module providing package", "does not contain package"} {
|
||||
if strings.Contains(reason, words) {
|
||||
return true
|
||||
}
|
||||
}
|
||||
return false
|
||||
}
|
||||
|
||||
func judgeReaders(c Change, head composer.CaseVerdict, readers []Reader) (fails, warnings []string) {
|
||||
for _, r := range readers {
|
||||
at := r.Module + " at " + r.Commit
|
||||
if r.Member {
|
||||
at = r.Module + "'s member head " + r.Commit
|
||||
}
|
||||
if r.Ran.State != delivery.StepPassed {
|
||||
if NoComposer(r.Ran.Reason) {
|
||||
warnings = append(warnings, fmt.Sprintf("not judged whether %s reads the group's manifests: the mesh-sdk it pins has no "+
|
||||
"composer command (before issue 1621)", at))
|
||||
continue
|
||||
}
|
||||
fails = append(fails, fmt.Sprintf("the composer of the mesh-sdk %s pins did not run: %s %s", at, r.Ran.State, r.Ran.Reason))
|
||||
continue
|
||||
}
|
||||
read, ok := caseOf(r.Ran.Verdict, CaseChange)
|
||||
if !ok {
|
||||
fails = append(fails, fmt.Sprintf("the composer of the mesh-sdk %s pins answered no change case", at))
|
||||
continue
|
||||
}
|
||||
for _, name := range sortedKeys(c.Digests) {
|
||||
if !head.Manifests[name].Accepted || read.Manifests[name].Accepted {
|
||||
continue
|
||||
}
|
||||
fails = append(fails, fmt.Sprintf("the manifest of %s uses what %s (mesh-sdk %s) cannot read: %s; the group must move %s onto "+
|
||||
"mesh-sdk %s", name, at, r.Ran.Verdict.SDK, read.Manifests[name].Refused, r.Module, c.SDKHead))
|
||||
}
|
||||
}
|
||||
return fails, warnings
|
||||
}
|
||||
@@ -1,184 +0,0 @@
|
||||
package assign
|
||||
|
||||
import (
|
||||
"encoding/json"
|
||||
"slices"
|
||||
"strings"
|
||||
"testing"
|
||||
"time"
|
||||
|
||||
"git.novox.be/novox/mesh-sdk/go/catalogue"
|
||||
"git.novox.be/novox/mesh-sdk/go/composer"
|
||||
"git.novox.be/novox/mesh-sdk/go/delivery"
|
||||
)
|
||||
|
||||
var testTime = time.Date(2026, 10, 24, 3, 0, 0, 0, time.UTC)
|
||||
|
||||
const sdkHead = "1111111111111111111111111111111111111111"
|
||||
|
||||
// raws are the manifests of meshOf as their repositories hold them, by digest, as the indexer keeps them; `web2` is web
|
||||
// with a field `shares` that the assigner's own mesh-sdk does not read (the shape of issue 1593).
|
||||
var raws = map[string]string{
|
||||
"d-mail": `{"module": "mail", "version": "1", "requires": ["postgres-database"]}`,
|
||||
"d-store": `{"module": "store", "version": "1", "provides": [{"name": "postgres-database"}]}`,
|
||||
"d-web": `{"module": "web", "version": "1"}`,
|
||||
"d-web2": `{"module": "web", "version": "2", "shares": ["photos"]}`,
|
||||
}
|
||||
|
||||
// asTheHeadReads is how mesh-sdk at the group's head reads each manifest: as the assigner's own reads it, but for the
|
||||
// field it adds, which it accepts. The head's composer is built and run by the Go build module (ADR 0482 clause 4); here
|
||||
// its verdict is made by mesh-sdk's composer.Run over the same request, with `web2` read as the head reads it.
|
||||
var asTheHeadReads = map[string]string{"d-web2": `{"module": "web", "version": "2"}`}
|
||||
|
||||
func digestedMesh() Mesh {
|
||||
m := meshOf()
|
||||
m.Digests = map[string]string{"mail": "d-mail", "store": "d-store", "web": "d-web"}
|
||||
return m
|
||||
}
|
||||
|
||||
// webShares is a group of mesh-sdk and mesh-catalog whose catalogue member gives web the field only the SDK head reads:
|
||||
// the assigner's own reader refuses it (Unreadable), as the indexer's manifest is read in world.change.
|
||||
func webShares(members map[string]string) Change {
|
||||
_, err := catalogue.ParseManifest([]byte(raws["d-web2"]))
|
||||
return Change{Group: "g", Heads: "0123456789ab", SDKHead: sdkHead, Manifests: map[string]catalogue.Manifest{},
|
||||
Unreadable: map[string]string{"web": err.Error()}, Digests: map[string]string{"web": "d-web2"}, Members: members}
|
||||
}
|
||||
|
||||
// run is the composer's step for a job, as the build module answers it: the request filled from the indexer's digests
|
||||
// (with read standing in for how that mesh-sdk reads a digest), run, and its verdict put in a passed step.
|
||||
func run(t *testing.T, job delivery.ComposeJob, read map[string]string) Ran {
|
||||
t.Helper()
|
||||
req, err := composer.Decode(job.Request)
|
||||
if err != nil {
|
||||
t.Fatal(err)
|
||||
}
|
||||
if err := composer.Fill(&req, func(d string) ([]byte, error) {
|
||||
if r, ok := read[d]; ok {
|
||||
return []byte(r), nil
|
||||
}
|
||||
return []byte(raws[d]), nil
|
||||
}); err != nil {
|
||||
t.Fatal(err)
|
||||
}
|
||||
v, err := composer.Run(req)
|
||||
if err != nil {
|
||||
t.Fatal(err)
|
||||
}
|
||||
v.SDK = "(devel) " + job.Fetch["commit"].(string)
|
||||
vr, _ := json.Marshal(v)
|
||||
ans, _ := json.Marshal(delivery.ComposeAnswer{Built: true, Key: "composer-0", Verdict: vr})
|
||||
return RanOf(delivery.Step{State: delivery.StepPassed, Result: ans})
|
||||
}
|
||||
|
||||
// 1622/AC1: a group holding a mesh-sdk pull request is composed by the composer built at the member's head: the job
|
||||
// fetches mesh-sdk at that head, builds mesh-sdk's composer command in its Go module, and hands it the trunk and the
|
||||
// change by digest, never the manifests' bytes, composing the machines the change touches.
|
||||
func TestAGroupWithAnSDKMemberAsksTheComposerAtItsHead(t *testing.T) {
|
||||
c := webShares(nil)
|
||||
job, err := HeadJob(digestedMesh(), c)
|
||||
if err != nil {
|
||||
t.Fatal(err)
|
||||
}
|
||||
if job.Fetch["repository"] != SDKRepository || job.Fetch["commit"] != sdkHead || job.Dir != "go" || job.Package != composer.Package {
|
||||
t.Fatalf("job = %+v", job)
|
||||
}
|
||||
ask := delivery.StepAsk{ID: "mh3k2x9qa1b2c5", Kind: delivery.AskCheck, Language: delivery.AskGo, Asker: "mesh-delivery-assigner",
|
||||
At: testTime, Compose: &job}
|
||||
if _, err := delivery.EncodeStepAsk(ask); err != nil {
|
||||
t.Fatalf("the ask is refused by its layout: %v", err)
|
||||
}
|
||||
req, err := composer.Decode(job.Request)
|
||||
if err != nil {
|
||||
t.Fatal(err)
|
||||
}
|
||||
if len(req.Cases) != 2 || req.Cases[0].Name != CaseTrunk || req.Cases[1].Name != CaseChange {
|
||||
t.Fatalf("cases = %+v", req.Cases)
|
||||
}
|
||||
if req.Cases[0].Manifests["web"].Digest != "d-web" || req.Cases[1].Manifests["web"].Digest != "d-web2" || len(req.Cases[1].Manifests["web"].Raw) != 0 {
|
||||
t.Errorf("the cases do not name web by its trunk and its change digest: %+v", req.Cases)
|
||||
}
|
||||
if !slices.Equal(req.Machines, []string{"g14"}) || req.Depth != composer.DepthResolve || !req.HoldingsFromClaims {
|
||||
t.Errorf("request = machines %v, depth %q, holdings from claims %v", req.Machines, req.Depth, req.HoldingsFromClaims)
|
||||
}
|
||||
}
|
||||
|
||||
// 1622/AC2, AC3: a catalogue member using a field only the SDK head reads passes with the head's composer, and the
|
||||
// verdict names the mesh-sdk the composer was built with; with the assigner's own mesh-sdk it fails.
|
||||
func TestAFieldTheGroupAddsPassesWithTheHeadsComposer(t *testing.T) {
|
||||
c := webShares(map[string]string{"novox/mesh-controller": "2222222222222222222222222222222222222222"})
|
||||
job, _ := HeadJob(digestedMesh(), c)
|
||||
head := run(t, job, asTheHeadReads)
|
||||
v := FromComposer(digestedMesh(), c, head, nil, 0)
|
||||
if v.State != delivery.CompositionPass || v.SDK != "(devel) "+sdkHead || !slices.Equal(v.Machines, []string{"g14"}) {
|
||||
t.Fatalf("with the head's composer: %+v", v)
|
||||
}
|
||||
if _, err := delivery.EncodeCompositionVerdict(v); err != nil {
|
||||
t.Errorf("the verdict cannot be written: %v", err)
|
||||
}
|
||||
own := Compose(digestedMesh(), c, "v0.1.14-own", 0)
|
||||
if own.State != delivery.CompositionFail || !strings.Contains(own.Words, "shares") {
|
||||
t.Fatalf("with the assigner's own mesh-sdk: %+v, want a fail naming the field", own)
|
||||
}
|
||||
}
|
||||
|
||||
// 1623/AC1, AC2: the group of mesh-sdk and mesh-catalog adding and using a field, without a controller member, fails
|
||||
// naming the field and mesh-controller, whose running build pins an older mesh-sdk; with a controller member pinned to
|
||||
// the SDK head (its composer reads what the head reads) it passes.
|
||||
func TestAFieldTheRunningControllerCannotReadFailsTheGroup(t *testing.T) {
|
||||
c := webShares(nil)
|
||||
job, _ := HeadJob(digestedMesh(), c)
|
||||
head := run(t, job, asTheHeadReads)
|
||||
running := "3333333333333333333333333333333333333333"
|
||||
rjob, err := ReaderJob(c, "mesh-controller", "novox/mesh-controller", running)
|
||||
if err != nil {
|
||||
t.Fatal(err)
|
||||
}
|
||||
if rjob.Fetch["commit"] != running || rjob.Dir != delivery.RootPath {
|
||||
t.Fatalf("reader job = %+v", rjob)
|
||||
}
|
||||
old := run(t, rjob, nil) // the running controller's mesh-sdk reads web2 as the assigner's own does: refused
|
||||
v := FromComposer(digestedMesh(), c, head, []Reader{{Module: "mesh-controller", Commit: running, Ran: old}}, 0)
|
||||
if v.State != delivery.CompositionFail || !strings.Contains(v.Words, "shares") || !strings.Contains(v.Words, "move mesh-controller onto mesh-sdk "+sdkHead) {
|
||||
t.Fatalf("without a controller member: %+v, want a fail naming the field and mesh-controller", v)
|
||||
}
|
||||
member := "2222222222222222222222222222222222222222"
|
||||
pinned := run(t, rjob, asTheHeadReads)
|
||||
v = FromComposer(digestedMesh(), c, head, []Reader{{Module: "mesh-controller", Commit: member, Member: true, Ran: pinned}}, 0)
|
||||
if v.State != delivery.CompositionPass {
|
||||
t.Fatalf("with a controller member pinned to the head: %+v, want a pass", v)
|
||||
}
|
||||
}
|
||||
|
||||
// 1623: a reader whose mesh-sdk has no composer command (before issue 1621) is said, not failed; a reader's composer that
|
||||
// failed for another cause fails the group, loud.
|
||||
func TestAReaderWithNoComposerIsSaidAndAnotherFailureFails(t *testing.T) {
|
||||
c := webShares(nil)
|
||||
job, _ := HeadJob(digestedMesh(), c)
|
||||
head := run(t, job, asTheHeadReads)
|
||||
none := Ran{State: delivery.StepFailed, Reason: "go build: no required module provides package git.novox.be/novox/mesh-sdk/go/cmd/mesh-compose"}
|
||||
v := FromComposer(digestedMesh(), c, head, []Reader{{Module: "mesh-host", Commit: "abc", Ran: none}}, 0)
|
||||
if v.State != delivery.CompositionPass || !hasWarning(v, "mesh-host at abc") || !hasWarning(v, "before issue 1621") {
|
||||
t.Fatalf("a reader with no composer: %+v", v)
|
||||
}
|
||||
broke := Ran{State: delivery.StepFailed, Reason: "the fetch could not reach the forge"}
|
||||
v = FromComposer(digestedMesh(), c, head, []Reader{{Module: "mesh-host", Commit: "abc", Ran: broke}}, 0)
|
||||
if v.State != delivery.CompositionFail || !strings.Contains(v.Words, "could not reach the forge") {
|
||||
t.Fatalf("a reader whose composer failed: %+v", v)
|
||||
}
|
||||
}
|
||||
|
||||
// 1622: the head's composer that did not run fails the composition naming why, never passes it; a trunk manifest the
|
||||
// head's mesh-sdk refuses fails it too, since the group would deliver a reader that refuses it.
|
||||
func TestTheHeadsComposerFailingOrRefusingTheTrunkFails(t *testing.T) {
|
||||
c := webShares(nil)
|
||||
v := FromComposer(digestedMesh(), c, Ran{State: delivery.StepRefused, Reason: "the guard refuses it"}, nil, 0)
|
||||
if v.State != delivery.CompositionFail || !strings.Contains(v.Words, "the guard refuses it") || !strings.Contains(v.Words, sdkHead) {
|
||||
t.Fatalf("a head composer that did not run: %+v", v)
|
||||
}
|
||||
job, _ := HeadJob(digestedMesh(), c)
|
||||
strict := map[string]string{"d-web2": asTheHeadReads["d-web2"], "d-mail": `{"module": "mail", "version": "1", "gone": true}`}
|
||||
v = FromComposer(digestedMesh(), c, run(t, job, strict), nil, 0)
|
||||
if v.State != delivery.CompositionFail || !strings.Contains(v.Words, "refuses the trunk's manifest of mail") {
|
||||
t.Fatalf("a head that refuses a trunk manifest: %+v", v)
|
||||
}
|
||||
}
|
||||
@@ -1,252 +0,0 @@
|
||||
package assign
|
||||
|
||||
import (
|
||||
"fmt"
|
||||
"time"
|
||||
|
||||
"git.novox.be/novox/mesh-sdk/go/asks"
|
||||
"git.novox.be/novox/mesh-sdk/go/delivery"
|
||||
)
|
||||
|
||||
// A put (novox/hq ADR 0546): one version of a module put on one node by the assigner's tool assigner_put. The tool writes the put
|
||||
// key; each pass takes it one step further from what the world holds (StepPut), and the rules pass over the node's want for
|
||||
// the module from its asking until it ends (Module.Puts).
|
||||
|
||||
// ComposeWithin is how long a put waits for the composition and grant it needs (a take-in of a build just done writes them)
|
||||
// before it is refused.
|
||||
const ComposeWithin = 10 * time.Minute
|
||||
|
||||
// PutWorld is what one step of a put reads.
|
||||
type PutWorld struct {
|
||||
Node, Module string
|
||||
Put delivery.Put
|
||||
// Assigned says the module stands assigned to the node.
|
||||
Assigned bool
|
||||
// Bus says the module provides the mesh's bus (ADR 0539 §15); Recorded that it is of policy record (§14).
|
||||
Bus, Recorded bool
|
||||
// Build is the state of the builder's build at the put's fingerprint, "" when no key is written; BuildWords its error.
|
||||
Build, BuildWords string
|
||||
// Newest is the module's newest fingerprint at the trunk, which the builder builds by itself.
|
||||
Newest string
|
||||
// Composed is the composition of the module for the node at the fingerprint, as its writer holds it; nil when there is
|
||||
// none. Granted says the grant at the fingerprint names the node's accounts. Both are read, never asked for (clause 4).
|
||||
Composed *delivery.ComposedDigest
|
||||
Granted bool
|
||||
// Answer is the option the operator chose on this put's own ask (its asking, PutAsking), "" when none; AskExpired says
|
||||
// that ask expired unanswered.
|
||||
Answer string
|
||||
AskExpired bool
|
||||
// Snapshot says where the bus's streams were snapshotted for this put, once they were; Snapshotting that it was
|
||||
// asked; SnapshotFailed why it was not taken.
|
||||
Snapshot string
|
||||
Snapshotting bool
|
||||
SnapshotFailed string
|
||||
// Have is what the node says it runs of the module; nil when it says nothing.
|
||||
Have *delivery.Have
|
||||
Now time.Time
|
||||
}
|
||||
|
||||
// PutNext is what a step decides: the put as it stands after it, and the acts the pass does for it.
|
||||
type PutNext struct {
|
||||
Put delivery.Put
|
||||
// Ask writes the put's ask about the move (PutAsk).
|
||||
Ask bool
|
||||
// Snapshot has the bus's node back the bus up now, its dump the streams' snapshot (ADR 0235).
|
||||
Snapshot bool
|
||||
// Warranted records, once, in the controller's hand-act log that the bus's want was written on the operator's warrant.
|
||||
Warranted bool
|
||||
}
|
||||
|
||||
// StepPut takes a put one step further from what the world holds (ADR 0546 clauses 3 to 8).
|
||||
func StepPut(w PutWorld) PutNext {
|
||||
p := w.Put
|
||||
if delivery.PutEnded(p.Step) {
|
||||
return PutNext{Put: p}
|
||||
}
|
||||
say := func(step, format string, args ...any) PutNext {
|
||||
return PutNext{Put: p.Said(w.Now, step, fmt.Sprintf(format, args...))}
|
||||
}
|
||||
fp := short(p.FP)
|
||||
if !w.Assigned {
|
||||
return say(delivery.PutRefused, "%s is not assigned to %s: a put moves a module where it stands assigned (mesh-controller.assign first)", w.Module, w.Node)
|
||||
}
|
||||
switch w.Build {
|
||||
case delivery.BuildDone:
|
||||
case delivery.BuildFailed:
|
||||
return say(delivery.PutRefused, "the builder's build of %s at %s failed: %s", w.Module, fp, w.BuildWords)
|
||||
case "":
|
||||
if p.FP != w.Newest {
|
||||
// The builder builds the trunk's newest fingerprint and the candidates', and takes no ask for another yet (ADR 0546
|
||||
// clause 3): an older fingerprint it never built, or whose key it removed, cannot be put.
|
||||
return say(delivery.PutRefused, "the builder holds no build of %s at %s, and builds by itself only the trunk's newest (%s): put that, or a version it built", w.Module, fp, short(w.Newest))
|
||||
}
|
||||
return say(delivery.PutBuild, "waits for the builder's build of %s at %s, the trunk's newest, which it builds by itself", w.Module, fp)
|
||||
default:
|
||||
return say(delivery.PutBuild, "waits for the builder's build of %s at %s, which is %s", w.Module, fp, w.Build)
|
||||
}
|
||||
if w.Composed == nil || !w.Granted {
|
||||
missing := fmt.Sprintf("no composition of %s for %s at %s is written", w.Module, w.Node, fp)
|
||||
if w.Composed != nil {
|
||||
missing = fmt.Sprintf("the grant of %s at %s does not name %s's accounts", w.Module, fp, w.Node)
|
||||
}
|
||||
since := w.Now
|
||||
if p.Step == delivery.PutCompose && len(p.Steps) > 0 {
|
||||
since = p.Steps[len(p.Steps)-1].At
|
||||
}
|
||||
if w.Now.Sub(since) > ComposeWithin {
|
||||
return say(delivery.PutRefused, "%s after %s: only a composition written by the take-in of its build (or one of the five kept) is put; "+
|
||||
"for another the hand path is mesh-hand-compose (ADR 0539 §10)", missing, ComposeWithin)
|
||||
}
|
||||
return say(delivery.PutCompose, "waits up to %s: %s yet", ComposeWithin, missing)
|
||||
}
|
||||
d := *w.Composed
|
||||
if p.Step == delivery.PutWanted || p.Step == delivery.PutHolding {
|
||||
return PutNext{Put: applied(w, p)}
|
||||
}
|
||||
p.Composed = d.Digest
|
||||
if needsPerson(w, d) {
|
||||
switch w.Answer {
|
||||
case OptionNo:
|
||||
return say(delivery.PutRefused, "the operator answered no to putting %s at %s on %s", w.Module, fp, w.Node)
|
||||
case OptionYes:
|
||||
default:
|
||||
if w.AskExpired {
|
||||
return say(delivery.PutRefused, "the operator's ask about putting %s at %s on %s expired unanswered: the node keeps what it runs", w.Module, fp, w.Node)
|
||||
}
|
||||
next := say(delivery.PutPerson, "waits for the operator's yes to putting %s at %s on %s (composition %s, judged %s)", w.Module, fp, w.Node, short(d.Digest), d.Judgement)
|
||||
if p.Ask == "" {
|
||||
next.Ask = true
|
||||
next.Put.Ask, _ = delivery.RecordAskKey(w.Node, w.Module, d.Digest)
|
||||
}
|
||||
return next
|
||||
}
|
||||
if w.Bus {
|
||||
switch {
|
||||
case w.Snapshot != "":
|
||||
p.Snapshot = w.Snapshot
|
||||
case w.SnapshotFailed != "":
|
||||
return say(delivery.PutRefused, "the bus's streams were not snapshotted, so the bus is not put: %s", w.SnapshotFailed)
|
||||
case w.Snapshotting:
|
||||
return say(delivery.PutSnapshot, "the operator said yes; waits for %s's backup holder to snapshot the bus's streams", w.Node)
|
||||
default:
|
||||
next := say(delivery.PutSnapshot, "the operator said yes; asked %s's backup holder to snapshot the bus's streams", w.Node)
|
||||
next.Snapshot = true
|
||||
return next
|
||||
}
|
||||
}
|
||||
}
|
||||
words := fmt.Sprintf("the want of %s on %s names %s (composition %s)", w.Module, w.Node, fp, short(d.Digest))
|
||||
if p.Hold {
|
||||
words += ", held until released"
|
||||
}
|
||||
if p.Snapshot != "" {
|
||||
words += "; the streams were snapshotted: " + p.Snapshot
|
||||
}
|
||||
next := PutNext{Put: applied(w, p.Said(w.Now, delivery.PutWanted, words))}
|
||||
next.Warranted = w.Bus && p.Ask != ""
|
||||
return next
|
||||
}
|
||||
|
||||
// applied is a wanted put once the node's have says how it went: holding or done when it runs the composition healthy.
|
||||
func applied(w PutWorld, p delivery.Put) delivery.Put {
|
||||
h := w.Have
|
||||
if h == nil || h.FP != p.FP || h.Composed != p.Composed {
|
||||
return p
|
||||
}
|
||||
switch {
|
||||
case h.Phase == delivery.PhaseRunning && h.Health == delivery.HealthOK && p.Hold:
|
||||
return p.Said(w.Now, delivery.PutHolding, fmt.Sprintf("%s runs %s at %s healthy; held there until released", w.Node, w.Module, short(p.FP)))
|
||||
case h.Phase == delivery.PhaseRunning && h.Health == delivery.HealthOK:
|
||||
return p.Said(w.Now, delivery.PutDone, fmt.Sprintf("%s runs %s at %s healthy; the rules write its want again", w.Node, w.Module, short(p.FP)))
|
||||
case failed(*h):
|
||||
return p.Said(w.Now, p.Step, fmt.Sprintf("%s runs %s at %s and its health check failed: %s", w.Node, w.Module, short(p.FP), h.Detail))
|
||||
}
|
||||
return p
|
||||
}
|
||||
|
||||
// needsPerson says whether the put's move waits for the operator: any move of the bus but a revision at the fingerprint the
|
||||
// node runs that changes only its user list (ADR 0539 §7, §15), and a move of a module of policy record judged to recreate a
|
||||
// container, move data, or that cannot be judged (§14).
|
||||
func needsPerson(w PutWorld, d delivery.ComposedDigest) bool {
|
||||
runs := w.Have != nil && w.Have.FP == w.Put.FP
|
||||
if runs && w.Have.Composed == d.Digest {
|
||||
return false // the node runs this composition already: nothing moves
|
||||
}
|
||||
if w.Bus {
|
||||
return !(runs && d.UserListOnly)
|
||||
}
|
||||
if !w.Recorded {
|
||||
return false
|
||||
}
|
||||
return d.Judgement == delivery.JudgedRecreates || d.Judgement == delivery.JudgedMovesData || d.Judgement == delivery.JudgedCannot
|
||||
}
|
||||
|
||||
// PutWant is the want a put writes once it is wanted: the fingerprint and composition, marked put, and held when it holds.
|
||||
func PutWant(p delivery.Put) delivery.Want {
|
||||
return delivery.Want{FP: p.FP, Composed: p.Composed, Put: true, Hold: p.Hold, Words: "put: " + p.Why}
|
||||
}
|
||||
|
||||
// PutOwns says what a put does to the node's want: owns says the rules pass over it, want the want it writes (nil: what
|
||||
// stands stays). A put owns the want from its asking until it ends; a held put ends only when released.
|
||||
func PutOwns(p delivery.Put) (want *delivery.Want, owns bool) {
|
||||
switch p.Step {
|
||||
case delivery.PutWanted, delivery.PutHolding:
|
||||
w := PutWant(p)
|
||||
return &w, true
|
||||
case delivery.PutDone, delivery.PutReleased, delivery.PutRefused:
|
||||
return nil, false
|
||||
}
|
||||
return nil, true
|
||||
}
|
||||
|
||||
// PutAsking is a put's own asking number: when it was asked, in milliseconds. Each put asked under the same key is another
|
||||
// asking, so the ask is written again under an id of its own and an answer to an earlier put, whose warrant names that put's
|
||||
// asking, never counts for a later one (ADR 0546 clause 8: one approval binds one act).
|
||||
func PutAsking(p delivery.Put) int {
|
||||
if n := p.At.UnixMilli(); n > 0 {
|
||||
return int(n)
|
||||
}
|
||||
return 0
|
||||
}
|
||||
|
||||
// PutAct is the act a bus put's yes binds and that is performed when its want is written.
|
||||
func PutAct(node, module, fp, composed string) asks.Act {
|
||||
return asks.Act{"put": "want", "node": node, "module": module, "fp": fp, "composed": composed}
|
||||
}
|
||||
|
||||
// PutAsk is the ask about a put's move (ADR 0546 clauses 7 and 8), under the record ask's key of the composition so the
|
||||
// teller relays it and its answer as any record ask's. For the bus its yes is of level approve and binds the act, so only a
|
||||
// channel that proves who answered takes it (ADR 0259), never the view.
|
||||
func PutAsk(key, node, module string, p delivery.Put, d delivery.ComposedDigest, bus bool, now time.Time) (delivery.AssignerAsk, error) {
|
||||
yes := asks.Option{ID: OptionYes, Label: "Yes, put it", Does: "the node is told to apply " + module + " at " + short(p.FP), Level: asks.Acknowledge}
|
||||
what := map[delivery.Judgement]string{
|
||||
delivery.JudgedRecreates: "recreates a container",
|
||||
delivery.JudgedMovesData: "moves the module's data",
|
||||
delivery.JudgedCannot: "cannot be judged: " + d.Words,
|
||||
delivery.JudgedNeither: "recreates no container and moves no data",
|
||||
delivery.JudgedUnchanged: "changes nothing the node runs",
|
||||
}[d.Judgement]
|
||||
explanation := fmt.Sprintf("Asked to put %s at version %s on %s: %s. The move %s.", module, short(p.FP), node, p.Why, what)
|
||||
expires := now.Add(7 * 24 * time.Hour)
|
||||
if bus {
|
||||
binds, err := asks.ActDigest(PutAct(node, module, p.FP, d.Digest))
|
||||
if err != nil {
|
||||
return delivery.AssignerAsk{}, err
|
||||
}
|
||||
yes.Level, yes.Binds = asks.Approve, binds
|
||||
yes.Does = "the bus's streams are snapshotted, then " + node + " is told to apply the bus at " + short(p.FP)
|
||||
explanation += " It is the mesh's bus: every module reconnects while it restarts, and its streams are snapshotted first."
|
||||
expires = now.Add(asks.ApproveLasts)
|
||||
}
|
||||
return delivery.AssignerAsk{Ask: asks.Ask{
|
||||
ID: delivery.AskingID(key, PutAsking(p)),
|
||||
Headline: fmt.Sprintf("Put %s on %s?", module, node),
|
||||
Explanation: explanation,
|
||||
Options: []asks.Option{yes,
|
||||
{ID: OptionNo, Label: "No", Does: "the node keeps what it runs, and the put is refused", Level: asks.Acknowledge}},
|
||||
Who: asks.Operator,
|
||||
Expires: expires,
|
||||
OnExpiry: "the node keeps what it runs",
|
||||
About: key,
|
||||
}, Asking: PutAsking(p)}, nil
|
||||
}
|
||||
@@ -4,8 +4,6 @@ import (
|
||||
"fmt"
|
||||
"slices"
|
||||
"sort"
|
||||
"strings"
|
||||
"time"
|
||||
|
||||
"git.novox.be/novox/mesh-sdk/go/catalogue"
|
||||
"git.novox.be/novox/mesh-sdk/go/delivery"
|
||||
@@ -15,44 +13,13 @@ import (
|
||||
// trunk (the indexer's modules), whether the builder's build of F is done, whether F is held, whether the controller
|
||||
// issued its credential for F, its manifest at F, and the nodes it is assigned to.
|
||||
type Module struct {
|
||||
Name string
|
||||
FP string
|
||||
Built bool
|
||||
Held bool
|
||||
Granted bool
|
||||
// GrantedAt says whether the controller issued the module's credential for another fingerprint than FP: the first want of a node
|
||||
// that runs an older one names it (issue 1945). Nil: none.
|
||||
GrantedAt func(fp string) bool
|
||||
// GrantedOn says whether the controller's grant of FP names the module's accounts on a node, when the grant names any:
|
||||
// a grant written for the module's other nodes says nothing of a node whose account is not issued and sealed (issue
|
||||
// 1945, live on 2026-10-25 at 20:04: ace's mesh-build-go was wanted with no account on the bus). Nil: the grant alone.
|
||||
GrantedOn func(node string) bool
|
||||
Manifest catalogue.Manifest
|
||||
Nodes []string
|
||||
// Composed answers the controller's composition of the module for a node at a fingerprint (mesh-controller_composed): its
|
||||
// digest and the judgement of the move to it, and whether it exists. Nil: none exists (ADR 0539 §1, §6).
|
||||
Composed func(node, fp string) (delivery.ComposedDigest, bool)
|
||||
// Allowed says whether the operator answered yes to the record ask about the move of this module on node to the composition
|
||||
// with this digest (ADR 0539 §14). Nil: none did.
|
||||
Allowed func(node, digest string) bool
|
||||
// Released is a hold on FP the operator released (ADR 0539 §19): FP is not held again by a health check that failed.
|
||||
Released bool
|
||||
// Restored says whether the operator answered "restore" to the restore ask of this data module on node: it is then set back
|
||||
// as any module is, losing the writes made since (ADR 0539 §19). Nil: none did.
|
||||
Restored func(node string) bool
|
||||
// Kept says the operator answered "keep" to the hold ask of FP: a hold kept so is not lifted by itself.
|
||||
Kept bool
|
||||
// Now is when this pass reads the haves: the held record names it as when the health check was seen to fail. Zero: not said.
|
||||
Now time.Time
|
||||
// Puts are the puts of the module, by node (ADR 0546): while one owns a node's want (PutOwns), the rules pass over it.
|
||||
Puts map[string]delivery.Put
|
||||
}
|
||||
|
||||
func (m Module) composition(node, fp string) (delivery.ComposedDigest, bool) {
|
||||
if m.Composed == nil {
|
||||
return delivery.ComposedDigest{}, false
|
||||
}
|
||||
return m.Composed(node, fp)
|
||||
Name string
|
||||
FP string
|
||||
Built bool
|
||||
Held bool
|
||||
Granted bool
|
||||
Manifest catalogue.Manifest
|
||||
Nodes []string
|
||||
}
|
||||
|
||||
// Node is what the rules read of the nodes: whether each is online (the watchman's presence) and each module's have.
|
||||
@@ -84,43 +51,27 @@ func Canary(nodes []string, online map[string]bool) string {
|
||||
// with why (ADR 0429 §6). Rule 4, at most `step` others ahead, always holds: the mesh keeps no step, and step 0 is no
|
||||
// limit (ADR 0528 clause 3).
|
||||
func Holds(m Module, node string, n Nodes) (bool, int, string) {
|
||||
return holds(m, node, n, true)
|
||||
}
|
||||
|
||||
// holds is Holds; with ordering false it leaves out the two rules that order a move among nodes and modules, the canary (3)
|
||||
// and the providers (5), and keeps those without which there is nothing to want: the build done, not held, the grant and the
|
||||
// composition.
|
||||
func holds(m Module, node string, n Nodes, ordering bool) (bool, int, string) {
|
||||
switch {
|
||||
case !m.Built:
|
||||
return false, delivery.RuleBuildDone, fmt.Sprintf("the build of %s at %s is not done", m.Name, short(m.FP))
|
||||
case m.Held:
|
||||
return false, delivery.RuleNotHeld, fmt.Sprintf("%s is held at %s", m.Name, short(m.FP))
|
||||
}
|
||||
if ordering {
|
||||
canary := Canary(m.Nodes, n.Online)
|
||||
switch {
|
||||
case canary == "":
|
||||
return false, delivery.RuleCanary, fmt.Sprintf("none of the nodes of %s is online, so it has no canary", m.Name)
|
||||
case node != canary && !healthy(n.Haves[canary][m.Name], m.FP):
|
||||
return false, delivery.RuleCanary, fmt.Sprintf("the canary %s does not run %s healthy yet", canary, short(m.FP))
|
||||
}
|
||||
for _, provision := range m.Manifest.Requires {
|
||||
if ok, why := providedHealthy(provision, node, n); !ok {
|
||||
return false, delivery.RuleProviders, why
|
||||
}
|
||||
canary := Canary(m.Nodes, n.Online)
|
||||
switch {
|
||||
case canary == "":
|
||||
return false, delivery.RuleCanary, fmt.Sprintf("none of the nodes of %s is online, so it has no canary", m.Name)
|
||||
case node != canary && !healthy(n.Haves[canary][m.Name], m.FP):
|
||||
return false, delivery.RuleCanary, fmt.Sprintf("the canary %s does not run %s healthy yet", canary, short(m.FP))
|
||||
}
|
||||
for _, provision := range m.Manifest.Requires {
|
||||
if ok, why := providedHealthy(provision, node, n); !ok {
|
||||
return false, delivery.RuleProviders, why
|
||||
}
|
||||
}
|
||||
if !m.Granted {
|
||||
return false, delivery.RuleGrant, fmt.Sprintf("the controller has not issued the credential of %s for %s", m.Name, short(m.FP))
|
||||
}
|
||||
if m.GrantedOn != nil && !m.GrantedOn(node) {
|
||||
return false, delivery.RuleGrant, fmt.Sprintf("the controller has not issued the credential of %s on %s for %s", m.Name, node,
|
||||
short(m.FP))
|
||||
}
|
||||
if _, ok := m.composition(node, m.FP); !ok {
|
||||
return false, delivery.RuleComposed, fmt.Sprintf("the controller has not composed %s for %s at %s", m.Name, node, short(m.FP))
|
||||
}
|
||||
return true, 0, ""
|
||||
}
|
||||
|
||||
@@ -166,30 +117,8 @@ type Outcome struct {
|
||||
Wants map[string]delivery.Want
|
||||
// Held is the hold of m.FP to write, when a node's health check failed on it and it is not held yet.
|
||||
Held *delivery.Held
|
||||
// Lifted is the hold of m.FP lifted by itself: every node that runs the module runs m.FP healthy (issue 1906). The held
|
||||
// record and its ask are taken away, and the wants move by the rules again in this pass.
|
||||
Lifted bool
|
||||
// Record is the moves a person must allow before the want names them: each is asked once (ADR 0539 §14).
|
||||
Record []RecordNeed
|
||||
// Restore is the nodes of a module holding data whose held fingerprint failed its health check there and that are not set
|
||||
// back: the operator is asked whether to restore each (ADR 0539 §19).
|
||||
Restore []string
|
||||
// Rules is, by node, the rule holding the node back from m.FP and why.
|
||||
// Rules is, by node, the rule holding the node back from m.FP and why, for the comparison.
|
||||
Rules map[string]Holding
|
||||
// Neither is, by node, the nodes the module is assigned to that run it (or whose have names it), hold no want for it after this
|
||||
// pass and are not held (a held module is on the held list), with the rule holding the first want back: the node's own composition does not hold a module with a fingerprint of the new form, so such a module is on
|
||||
// neither list and nothing applies it on that node (issue 1945). A module with no fingerprint of the new form goes with the node's
|
||||
// own composition and is never here.
|
||||
Neither map[string]Holding
|
||||
}
|
||||
|
||||
// RecordNeed is a move of a module of policy record on a node that waits for the operator's yes: the composition's digest, the
|
||||
// controller's judgement of the move and its words.
|
||||
type RecordNeed struct {
|
||||
Node string
|
||||
Digest string
|
||||
Judgement delivery.Judgement
|
||||
Words string
|
||||
}
|
||||
|
||||
// Holding is a rule holding a node back, and why.
|
||||
@@ -201,18 +130,15 @@ type Holding struct {
|
||||
// Wants is the pass of one module m: for each of its nodes, the want by the six rules, starting from the want written
|
||||
// before (wants, by node); lastHealthy is, by node, the newest fingerprint other than m.FP the node ran healthy. A failed
|
||||
// health check of m.FP on a node holds it: every node wanting m.FP is set back to its last healthy fingerprint, but a
|
||||
// module holding data is not set back but asked about (Restore). A
|
||||
// module holding data is not set back (in release 5 it is asked about from release 6 on: wants are only compared). A
|
||||
// node that wants m but is no longer among its nodes gets its want written removed, never deleted (ADR 0408 §4).
|
||||
func Wants(m Module, n Nodes, wants map[string]delivery.Want, lastHealthy map[string]string) Outcome {
|
||||
out := Outcome{Wants: map[string]delivery.Want{}, Rules: map[string]Holding{}, Neither: map[string]Holding{}}
|
||||
out := Outcome{Wants: map[string]delivery.Want{}, Rules: map[string]Holding{}}
|
||||
held := m.Held
|
||||
if held && !m.Kept && m.FP != "" && allRunHealthy(m, n) {
|
||||
out.Lifted, held = true, false
|
||||
}
|
||||
if !held && !out.Lifted && !m.Released && m.FP != "" {
|
||||
if !held && m.FP != "" {
|
||||
for _, node := range slices.Sorted(slices.Values(m.Nodes)) {
|
||||
if h, ok := n.Haves[node][m.Name]; ok && h.FP == m.FP && failed(h) {
|
||||
out.Held = &delivery.Held{Node: node, Words: HeldWords(h, m.Now)}
|
||||
if h, ok := n.Haves[node][m.Name]; ok && h.FP == m.FP && h.Health == delivery.HealthFailed {
|
||||
out.Held = &delivery.Held{Node: node, Words: h.Detail}
|
||||
held = true
|
||||
break
|
||||
}
|
||||
@@ -226,146 +152,30 @@ func Wants(m Module, n Nodes, wants map[string]delivery.Want, lastHealthy map[st
|
||||
}
|
||||
before, had := wants[node]
|
||||
var next delivery.Want
|
||||
p, put := m.Puts[node]
|
||||
if !put && had && before.Put && before.Hold {
|
||||
// The want is the truth (ADR 0546 clause 5): a want marked put and held stands while its put is not heard (the
|
||||
// puts not open, or not yet handed after a start); only a put heard released gives it back to the rules. A put
|
||||
// without hold is not kept this way: its put takes it further once heard.
|
||||
p, put = delivery.Put{FP: before.FP, Composed: before.Composed, Hold: true, Why: strings.TrimPrefix(before.Words, "put: "),
|
||||
Step: delivery.PutHolding}, true
|
||||
}
|
||||
if put {
|
||||
if want, owns := PutOwns(p); owns {
|
||||
if want != nil {
|
||||
w := *want
|
||||
// A held bus still takes a revision of its composition that changes only its user list (ADR 0539 §7).
|
||||
if ul, ok := m.userListRevision(node, before, had, n); ok && ul.FP == w.FP {
|
||||
w.Composed = ul.Composed
|
||||
}
|
||||
if !had || !delivery.SameWant(normal(before), normal(w)) {
|
||||
out.Wants[node] = w
|
||||
}
|
||||
}
|
||||
continue
|
||||
}
|
||||
}
|
||||
// A revision of the bus module's composition that differs only in its user list is written at once, at the fingerprint the
|
||||
// node runs, outside the rules, the record hold and the bar on a new fingerprint: a new module's credential must reach the
|
||||
// bus before the module can connect (ADR 0539 §7). The controller marks it; whatever it judges of the file's mount stands.
|
||||
if w, ok := m.userListRevision(node, before, had, n); ok {
|
||||
if !had || !delivery.SameWant(normal(before), normal(w)) {
|
||||
out.Wants[node] = w
|
||||
}
|
||||
continue
|
||||
}
|
||||
ok, rule, words := Holds(mm, node, n)
|
||||
target := m.FP
|
||||
if have, ran := n.Haves[node][m.Name]; !ok && (!had || before.Removed) && (rule == delivery.RuleCanary || rule == delivery.RuleProviders) && runs(have) {
|
||||
// A node that runs the module and has no want for it has no want the ordering rules could hold it back to: holding its first
|
||||
// want back leaves the module on neither list, since the node's own composition gives up every module with a fingerprint of
|
||||
// the new form (issue 1945: on g14 the bundles of clipmenu, screen-lock and every module requiring x11-display were removed
|
||||
// and never made again, because xorg's health is unknown and screen-lock's canary never ran it healthy). Its first want names
|
||||
// what it runs, never a newer fingerprint, so the canary is never passed over: F when it runs F (by the rules without which
|
||||
// there is nothing to want), or an older fingerprint of the new form whose composition and grant exist. Rules 3 and 5 then
|
||||
// order the move from it as from any want.
|
||||
switch _, composed := m.composition(node, have.FP); {
|
||||
case !ran:
|
||||
case have.FP == m.FP:
|
||||
ok, rule, words = holds(mm, node, n, false)
|
||||
case !strings.HasPrefix(have.FP, delivery.SourcePrefix2):
|
||||
// An old-form build (not src2:) has no composition, so no want can ever name it: its first want names F, and only by every
|
||||
// rule as usual, the canary (3) and the providers (5) included, which here hold it back. Nothing is written and the module
|
||||
// stays on neither list until the canary runs F healthy; then Holds passes and the want names F (issue 1945, a design
|
||||
// limit set by the lead: the canary stays in force and old-form modules leave neither list by themselves).
|
||||
case composed && m.GrantedAt != nil && m.GrantedAt(have.FP):
|
||||
ok, target = true, have.FP
|
||||
}
|
||||
}
|
||||
switch {
|
||||
switch ok, rule, words := Holds(mm, node, n); {
|
||||
case ok:
|
||||
d, _ := m.composition(node, target)
|
||||
next = delivery.Want{FP: target, Composed: d.Digest}
|
||||
at := m
|
||||
if target != m.FP {
|
||||
// the first want at the older fingerprint the node runs: held back from F by the rule, and judged as a want at it
|
||||
next.Newest, next.Rule, next.Words = m.FP, rule, words
|
||||
at.FP = target
|
||||
}
|
||||
if had && !before.Removed && !before.Put && before.FP == target && before.Composed == d.Digest {
|
||||
next.Backup, next.Words = before.Backup, before.Words // the answer to a failed backup stays while its target stays (ADR 0539 §16)
|
||||
}
|
||||
running, ran := n.Haves[node][m.Name]
|
||||
// A removed want is no want: a first want after it goes through the record ask as a first want does.
|
||||
asked, hadLive := before, had
|
||||
if before.Removed {
|
||||
asked, hadLive = delivery.Want{}, false
|
||||
}
|
||||
if need, wait := at.mustAsk(node, asked, hadLive, ran, running.FP, running.Composed == "", d); wait {
|
||||
if need != nil {
|
||||
out.Record = append(out.Record, *need)
|
||||
}
|
||||
continue
|
||||
}
|
||||
next = delivery.Want{FP: m.FP}
|
||||
case held && had && before.FP == m.FP:
|
||||
out.Rules[node] = Holding{Rule: rule, Words: words}
|
||||
last := lastHealthy[node]
|
||||
switch {
|
||||
case keepsData(m.Manifest) && (m.Restored == nil || !m.Restored(node)):
|
||||
case keepsData(m.Manifest):
|
||||
next = before
|
||||
next.Words = fmt.Sprintf("%s holds data, so it is not set back from %s: the operator is asked whether to restore it", m.Name, short(m.FP))
|
||||
out.Restore = append(out.Restore, node)
|
||||
next.Words = fmt.Sprintf("%s holds data, so it is not set back from %s: the operator is asked from release 6", m.Name, short(m.FP))
|
||||
case last == "":
|
||||
next = before
|
||||
next.Words = fmt.Sprintf("%s is held at %s and %s ran no other fingerprint healthy to set it back to", m.Name, short(m.FP), node)
|
||||
default:
|
||||
d, there := m.composition(node, last)
|
||||
if !there {
|
||||
next = before
|
||||
next.Words = fmt.Sprintf("%s is held at %s, and the composition of %s at %s is gone, so %s is not set back", m.Name, short(m.FP), m.Name, short(last), node)
|
||||
break
|
||||
}
|
||||
next = delivery.Want{FP: last, Composed: d.Digest, Newest: m.FP, Rule: rule, Words: words}
|
||||
next = delivery.Want{FP: last, Newest: m.FP, Rule: rule, Words: words}
|
||||
}
|
||||
default:
|
||||
out.Rules[node] = Holding{Rule: rule, Words: words}
|
||||
if !had || before.Removed {
|
||||
// The node runs the module, or its have names it, and gets no want for it: the module is on neither list (issue 1945), and
|
||||
// the pass says so. A new assignment, with no have, waits for the rules and is on no list yet by design. A held module (rule 2,
|
||||
// held before or by this pass) is on the held list instead, whose hold is said and answered on its own: it is never on neither
|
||||
// list (issue 1945: systemd-resolved, held on shanks by the operator, was said as urgent every hour).
|
||||
h, there := n.Haves[node][m.Name]
|
||||
switch {
|
||||
case there && h.Phase != delivery.PhaseRemoved && !held:
|
||||
out.Neither[node] = Holding{Rule: rule, Words: words}
|
||||
case had && (!there || h.Phase == delivery.PhaseRemoved):
|
||||
// A removed want of a node that does not run the module says why no want follows it (issue 1945), so the view's
|
||||
// assigner_want answers it; it stays removed. A node with no key gets none: a removed want written where none was
|
||||
// would have its node agent remove the module and stop holding its composition's resources back.
|
||||
next = delivery.Want{Removed: true, Words: NoWantWords(rule, words)}
|
||||
if !delivery.SameWant(normal(before), normal(next)) {
|
||||
out.Wants[node] = next
|
||||
}
|
||||
}
|
||||
continue
|
||||
}
|
||||
next = delivery.Want{FP: before.FP, Composed: before.Composed, Newest: m.FP, Rule: rule, Words: words}
|
||||
next = delivery.Want{FP: before.FP, Newest: m.FP, Rule: rule, Words: words}
|
||||
if before.FP == m.FP {
|
||||
// Held at F by the rules: a new revision of F's composition waits for them, as a new fingerprint does (ADR 0539 §5).
|
||||
next = delivery.Want{FP: m.FP, Composed: before.Composed}
|
||||
} else if d, there := m.composition(node, before.FP); there && d.Digest != "" && d.Digest != before.Composed {
|
||||
// Held back at an earlier fingerprint whose kept composition the controller composed again with today's config
|
||||
// (novox/hq ADR 0545): the want follows its new revision, so the node does not run that build with the config of
|
||||
// the moment it was made (on g14 a capacity of 0 after a rollback). Asked as any move of a record module is.
|
||||
at := m
|
||||
at.FP = before.FP
|
||||
running, ran := n.Haves[node][m.Name]
|
||||
need, wait := at.mustAsk(node, before, true, ran, running.FP, running.Composed == "", d)
|
||||
if need != nil {
|
||||
out.Record = append(out.Record, *need)
|
||||
}
|
||||
if !wait {
|
||||
next.Composed = d.Digest
|
||||
}
|
||||
next = delivery.Want{FP: m.FP}
|
||||
}
|
||||
}
|
||||
if !had || !delivery.SameWant(normal(before), normal(next)) {
|
||||
@@ -380,63 +190,6 @@ func Wants(m Module, n Nodes, wants map[string]delivery.Want, lastHealthy map[st
|
||||
return out
|
||||
}
|
||||
|
||||
// NoWantWords say why a node gets no want for a module: the rule that holds its first want back and why (issue 1945).
|
||||
func NoWantWords(rule int, words string) string {
|
||||
return fmt.Sprintf("no want: rule %d: %s", rule, words)
|
||||
}
|
||||
|
||||
// failed says whether a have's health check failed once the node is done moving: phase running or failed (never removed, held, or
|
||||
// moving). A failed health while it
|
||||
// backs up, applies or checks is a step of the move, not its outcome (on novox at 15:27:36 on 2026-10-25, "health failed, phase
|
||||
// applying" held the controller's canary two seconds before the new build was healthy). Every healthy read (healthy, providedHealthy,
|
||||
// the world's lastHealthy) already asks for phase running.
|
||||
func failed(h delivery.Have) bool {
|
||||
return h.Health == delivery.HealthFailed && (h.Phase == delivery.PhaseRunning || h.Phase == delivery.PhaseFailed)
|
||||
}
|
||||
|
||||
// runs says whether a have is of a module the node runs: running, whatever its health.
|
||||
func runs(h delivery.Have) bool {
|
||||
return h.Phase == delivery.PhaseRunning
|
||||
}
|
||||
|
||||
// allRunHealthy says whether every node of m that runs the module (its have's phase is running, or failed) runs m.FP healthy, and
|
||||
// at least one does: a hold whose fingerprint runs healthy wherever the module runs holds nothing back any more (issue 1906: seven
|
||||
// modules stayed held on every machine after one transient failed check). A node set back to another fingerprint does not run
|
||||
// m.FP, and a failed one does not run it healthy, so the hold stays; a have that is removed, held for its backup or still moving
|
||||
// (backing up, applying, checking) is not counted, or it would keep the hold up for ever.
|
||||
func allRunHealthy(m Module, n Nodes) bool {
|
||||
ran := 0
|
||||
for _, node := range m.Nodes {
|
||||
h, ok := n.Haves[node][m.Name]
|
||||
if !ok || (h.Phase != delivery.PhaseRunning && h.Phase != delivery.PhaseFailed) {
|
||||
continue
|
||||
}
|
||||
if !healthy(h, m.FP) {
|
||||
return false
|
||||
}
|
||||
ran++
|
||||
}
|
||||
return ran > 0
|
||||
}
|
||||
|
||||
// HeldWords are the words a hold keeps of its cause (issue 1906): the health and phase the node reported, when the assigner saw
|
||||
// it, and the node's own words. The node is the held record's own field.
|
||||
func HeldWords(h delivery.Have, at time.Time) string {
|
||||
words := fmt.Sprintf("health %s, phase %s", h.Health, h.Phase)
|
||||
if !at.IsZero() {
|
||||
words += ", seen at " + at.UTC().Format(time.RFC3339)
|
||||
}
|
||||
if d := strings.TrimSpace(h.Detail); d != "" {
|
||||
return words + ": " + d
|
||||
}
|
||||
return words + ": the node gave no words"
|
||||
}
|
||||
|
||||
// LiftedWords say why a hold was lifted by itself.
|
||||
func LiftedWords(module, fp string) string {
|
||||
return fmt.Sprintf("every node that runs %s runs %s healthy, so the assigner lifted its hold by itself", module, short(fp))
|
||||
}
|
||||
|
||||
// normal is a want without its version, as a decoded and a composed one are compared.
|
||||
func normal(w delivery.Want) delivery.Want {
|
||||
w.V = 0
|
||||
@@ -450,73 +203,3 @@ func short(fp string) string {
|
||||
}
|
||||
return part[:12]
|
||||
}
|
||||
|
||||
// mustAsk says whether the move to the composition d on node waits: for the operator's yes (need names the ask) or, for the bus,
|
||||
// for the operator's hand (ADR 0539 §14, §15). A module the node never ran (it has no want and no have), a move judged neither, a module that is not of
|
||||
// policy record and a want that stays are written as any want; so is a revision of the bus module's composition at the
|
||||
// same fingerprint judged neither (a user list only, §7).
|
||||
func (m Module) mustAsk(node string, before delivery.Want, had, ran bool, running string, haveNamesNoComposition bool, d delivery.ComposedDigest) (*RecordNeed, bool) {
|
||||
if (!had && !ran) || before.Removed || (before.FP == m.FP && before.Composed == d.Digest) {
|
||||
return nil, false
|
||||
}
|
||||
// Right after the switch no node has a readable want, and a have from the old node-engine names a fingerprint and no composition
|
||||
// (ADR 0539 §9, §11): a node running this fingerprint is given its want at it with no hold when the controller judges the composition
|
||||
// unchanged, equal to the declaration the node last applied (ADR 0540 §9), since the node agent then applies nothing. A composition that
|
||||
// differs from it (a changed setting or secret), or that the controller could not judge, waits for the ask. A new fingerprint still waits.
|
||||
if !had && ran && running == m.FP && haveNamesNoComposition && d.Judgement == delivery.JudgedUnchanged {
|
||||
return nil, false
|
||||
}
|
||||
// The fingerprint the bus ran before: its want's, or with no readable want the one its have names (ADR 0539 §15 bars a new one).
|
||||
prev := before.FP
|
||||
if !had {
|
||||
prev = running
|
||||
}
|
||||
if catalogue.ProvidesBus(m.Manifest) && prev != m.FP {
|
||||
return nil, true // the bus is never moved by the assigner; the operator writes its want (§15)
|
||||
}
|
||||
if !m.recorded(d) || d.Judgement == delivery.JudgedNeither || d.Judgement == delivery.JudgedUnchanged {
|
||||
return nil, false
|
||||
}
|
||||
if m.Allowed != nil && m.Allowed(node, d.Digest) {
|
||||
return nil, false
|
||||
}
|
||||
return &RecordNeed{Node: node, Digest: d.Digest, Judgement: d.Judgement, Words: d.Words}, true
|
||||
}
|
||||
|
||||
// recorded says whether the module is of policy record: as the controller holds it beside the composition's digest, the
|
||||
// operator's own choice included (ADR 0539 §14); on a composition made by hand, which carries none, as the manifest derives it.
|
||||
func (m Module) recorded(d delivery.ComposedDigest) bool {
|
||||
if d.Policy != "" {
|
||||
return d.Policy == delivery.PolicyRecord
|
||||
}
|
||||
policy, _, _ := catalogue.DerivedUpgrade(m.Manifest)
|
||||
return policy == catalogue.PolicyRecord
|
||||
}
|
||||
|
||||
// userListRevision is the want that names the bus module's composition at the fingerprint the node runs when that composition
|
||||
// differs from the one the node runs only in the bus's user list (ComposedDigest.UserListOnly), and whether there is one. A node
|
||||
// whose want names another fingerprint than the one it runs, or a module that does not provide the bus, has none.
|
||||
func (m Module) userListRevision(node string, before delivery.Want, had bool, n Nodes) (delivery.Want, bool) {
|
||||
if !catalogue.ProvidesBus(m.Manifest) {
|
||||
return delivery.Want{}, false
|
||||
}
|
||||
running, ran := n.Haves[node][m.Name]
|
||||
if !ran || running.FP == "" || (had && (before.Removed || before.FP != running.FP)) {
|
||||
return delivery.Want{}, false
|
||||
}
|
||||
d, ok := m.composition(node, running.FP)
|
||||
if !ok || !d.UserListOnly {
|
||||
return delivery.Want{}, false
|
||||
}
|
||||
w := delivery.Want{FP: running.FP, Composed: d.Digest}
|
||||
if had && before.Composed == d.Digest {
|
||||
w.Backup, w.Words = before.Backup, before.Words
|
||||
}
|
||||
return w, true
|
||||
}
|
||||
|
||||
// GrantNamesNode says whether a grant of module names its accounts on node (mesh-sdk's ControllerGrant.NamesNode, which a
|
||||
// put reads by too).
|
||||
func GrantNamesNode(g delivery.ControllerGrant, node, module string) bool {
|
||||
return g.NamesNode(node, module)
|
||||
}
|
||||
|
||||
File diff suppressed because it is too large
Load Diff
@@ -24,7 +24,7 @@ func load(t *testing.T) catalogue.Manifest {
|
||||
|
||||
// 1297/B2a: the controller's reader (mesh-sdk catalogue, which the controller reads manifests with) takes the
|
||||
// manifest; it reads exactly the buckets the assigner opens (the program's list, held equal in its own test), keeps
|
||||
// the states it declares (the differences kept read-only, 1906/D5), and holds a credential of its own.
|
||||
// its three states, and holds a credential of its own.
|
||||
func TestManifest(t *testing.T) {
|
||||
m := load(t)
|
||||
if m.Module != "mesh-delivery-assigner" {
|
||||
@@ -32,9 +32,9 @@ func TestManifest(t *testing.T) {
|
||||
}
|
||||
reads := slices.Clone(m.Reads)
|
||||
slices.Sort(reads)
|
||||
want := []string{"mesh-build-go.steps", "mesh-controller.assignments", "mesh-controller.builds", "mesh-controller.composed", "mesh-controller.grants",
|
||||
want := []string{"mesh-controller.assignments", "mesh-controller.builds", "mesh-controller.grants",
|
||||
"mesh-delivery-builder.builds", "mesh-delivery-indexer.candidates", "mesh-delivery-indexer.manifests",
|
||||
"mesh-delivery-indexer.modules", "mesh-delivery-teller.answers", "mesh-delivery-watchman.presence", "node-engine.have"}
|
||||
"mesh-delivery-indexer.modules", "mesh-delivery-watchman.presence", "node-engine.have"}
|
||||
if !reflect.DeepEqual(reads, want) {
|
||||
t.Errorf("reads = %v, want exactly %v", reads, want)
|
||||
}
|
||||
@@ -42,7 +42,7 @@ func TestManifest(t *testing.T) {
|
||||
for _, s := range m.State {
|
||||
states[s.Name] = s.History
|
||||
}
|
||||
if want := map[string]int{"asks": 5, "compositions": 5, "differences": 64, "puts": 20, "wants": 20}; !reflect.DeepEqual(states, want) {
|
||||
if want := map[string]int{"asks": 5, "compositions": 5, "differences": 64, "wants": 20}; !reflect.DeepEqual(states, want) {
|
||||
t.Errorf("state = %v, want %v", states, want)
|
||||
}
|
||||
if _, ok := m.OwnSecrets["broker"]; !ok || len(m.OwnSecrets) != 1 {
|
||||
@@ -51,21 +51,7 @@ func TestManifest(t *testing.T) {
|
||||
if m.SecretsOwner != "mesh-delivery-assigner" {
|
||||
t.Errorf("secrets-owner = %q", m.SecretsOwner)
|
||||
}
|
||||
// 1906/D3: it says its conditions on the operator channel; 1622: it puts its compose asks on the Go build seat, as the
|
||||
// checker puts its checks.
|
||||
if !slices.Equal(m.Uses, []string{"node-build-go", "operator-channel"}) {
|
||||
t.Errorf("uses = %v, want exactly node-build-go and operator-channel", m.Uses)
|
||||
}
|
||||
// ADR 0546: it serves its own tools (put, release, puts) from its bundle through the tool runner (the artifact loads the
|
||||
// module), claims no seat (a new seat needs a change of the controller), says each put's step as the event put, and
|
||||
// calls the controller's warranted and the bus node's backup holder.
|
||||
if len(m.Claims) != 0 || !slices.Equal(m.Tools, []string{"assigner_put", "assigner_release", "assigner_puts"}) {
|
||||
t.Errorf("the assigner claims %v and serves tools %v, want no claim and its three put tools", m.Claims, m.Tools)
|
||||
}
|
||||
if want := []string{"seat:mesh-controller.warranted", "seat:node-backup.backed-up", "seat:node-backup.now"}; !slices.Equal(slices.Sorted(slices.Values(m.Invokes)), want) {
|
||||
t.Errorf("invokes = %v, want %v", m.Invokes, want)
|
||||
}
|
||||
if !slices.Equal(m.Emits, []string{"put"}) {
|
||||
t.Errorf("emits = %v, want put", m.Emits)
|
||||
if len(m.Claims) != 0 || len(m.Tools) != 0 || len(m.Invokes) != 0 {
|
||||
t.Errorf("the assigner claims, serves or calls something: claims %v, tools %v, invokes %v", m.Claims, m.Tools, m.Invokes)
|
||||
}
|
||||
}
|
||||
|
||||
@@ -3,41 +3,20 @@
|
||||
"version": "1",
|
||||
"slug": "assigner",
|
||||
"reads": [
|
||||
"mesh-build-go.steps",
|
||||
"mesh-controller.assignments",
|
||||
"mesh-controller.builds",
|
||||
"mesh-controller.composed",
|
||||
"mesh-controller.grants",
|
||||
"mesh-delivery-builder.builds",
|
||||
"mesh-delivery-indexer.candidates",
|
||||
"mesh-delivery-indexer.manifests",
|
||||
"mesh-delivery-indexer.modules",
|
||||
"mesh-delivery-teller.answers",
|
||||
"mesh-delivery-watchman.presence",
|
||||
"node-engine.have"
|
||||
],
|
||||
"uses": [
|
||||
"node-build-go",
|
||||
"operator-channel"
|
||||
],
|
||||
"invokes": [
|
||||
"seat:mesh-controller.warranted",
|
||||
"seat:node-backup.now",
|
||||
"seat:node-backup.backed-up"
|
||||
],
|
||||
"emits": [
|
||||
"put"
|
||||
],
|
||||
"tools": [
|
||||
"assigner_put",
|
||||
"assigner_release",
|
||||
"assigner_puts"
|
||||
],
|
||||
"state": [
|
||||
{ "name": "asks", "history": 5 },
|
||||
{ "name": "compositions", "history": 5 },
|
||||
{ "name": "differences", "history": 64 },
|
||||
{ "name": "puts", "history": 20 },
|
||||
{ "name": "wants", "history": 20 }
|
||||
],
|
||||
"own-secrets": {
|
||||
@@ -85,10 +64,7 @@
|
||||
"language": "go",
|
||||
"system": "arch",
|
||||
"from": "cmd/mesh-delivery-assigner",
|
||||
"binary": "mesh-delivery-assigner",
|
||||
"loads": [
|
||||
"mesh-delivery-assigner"
|
||||
]
|
||||
"binary": "mesh-delivery-assigner"
|
||||
}
|
||||
]
|
||||
}
|
||||
|
||||
@@ -1,178 +0,0 @@
|
||||
// Command mesh-delivery-builder-tools serves the builder's tools (novox/hq issue 1945): the runtime launches it for a call.
|
||||
// builder_stuck reads the builder's builds and reasks states and the build modules' steps through the builder's state and
|
||||
// reads; builder_ask_again writes one value of the reasks state, which the builder watches and answers. The builder is the
|
||||
// other program: it serves no tool (ADR 0437 §4).
|
||||
package main
|
||||
|
||||
import (
|
||||
"context"
|
||||
"encoding/json"
|
||||
"fmt"
|
||||
"os"
|
||||
"strings"
|
||||
"sync"
|
||||
"time"
|
||||
|
||||
stdio "git.novox.be/novox/mesh-sdk/go"
|
||||
"git.novox.be/novox/mesh-sdk/go/delivery"
|
||||
|
||||
"mesh-delivery-builder/internal/build"
|
||||
)
|
||||
|
||||
// queueAsker writes a queues value and waits for the builder's answer to it.
|
||||
type queueAsker func(key string, value []byte) (json.RawMessage, error)
|
||||
|
||||
// Tools are the builder's tools: stuck reads, askAgain writes the reasks value, queue writes a queues value and waits for
|
||||
// the builder's read.
|
||||
func Tools(r build.StuckReader, askAgain func(key string, value []byte) error, queue queueAsker, now func() time.Time) []stdio.Tool {
|
||||
str := func(args map[string]any, k string) string { s, _ := args[k].(string); return strings.TrimSpace(s) }
|
||||
return []stdio.Tool{
|
||||
{Name: build.StuckTool,
|
||||
Description: "Every build key that waits (building or queued), oldest first: its module, fingerprint, step words and since when, and each ask it " +
|
||||
"waits on by language with its id, when it was put, its asking (1 for the first; the builder asks an ask again when it can no longer be " +
|
||||
"answered, at most 3 times) and what its build module's steps hold of it (none, or its state on its node since its start). The " +
|
||||
"seat workers' delivery counts are not readable by the builder. With module, that module's keys only. Read-only.",
|
||||
Input: map[string]any{"type": "object", "properties": map[string]any{
|
||||
"module": map[string]any{"type": "string", "description": "only this module's keys"}}},
|
||||
Run: func(args map[string]any) (any, error) { return r.Stuck(str(args, "module")) }},
|
||||
{Name: build.AskAgainTool,
|
||||
Description: "Ask a waiting build key's asks again now, under new ids the key then names, as the builder does by itself for an ask its build " +
|
||||
"seat's stream gave up on. The builder answers in the reasks state, which " + build.StuckTool + " shows beside the key; a key no ask of " +
|
||||
"which waits is answered so and nothing is asked. An ask whose step already runs on a node is asked again too: it is then " +
|
||||
"built twice, the first run's work wasted and its end read by nobody, never a wrong key; builder_stuck shows whether a step runs.",
|
||||
Input: map[string]any{"type": "object", "required": []string{"module", "fp", "why"}, "properties": map[string]any{
|
||||
"module": map[string]any{"type": "string", "description": "the module's name"},
|
||||
"fp": map[string]any{"type": "string", "description": "its new-form fingerprint, src2:<hex>, as builder_stuck shows it"},
|
||||
"why": map[string]any{"type": "string", "description": "why it is asked again, in plain words"}}},
|
||||
Run: func(args map[string]any) (any, error) {
|
||||
key, value, err := build.NewReAsk(str(args, "module"), str(args, "fp"), str(args, "why"), stdio.CallerOf(args), now())
|
||||
if err != nil {
|
||||
return nil, err
|
||||
}
|
||||
if err := askAgain(key, value); err != nil {
|
||||
return nil, fmt.Errorf("the ask could not be written to %s: %w", build.ReAsksBucket, err)
|
||||
}
|
||||
return map[string]any{"key": key, "asked": true,
|
||||
"next": "the builder answers in " + build.ReAsksState + "." + key + "; " + build.StuckTool + " shows the answer and the new ask"}, nil
|
||||
}},
|
||||
{Name: build.SeatQueueTool,
|
||||
Description: "What waits on a build seat's stream (SEAT_NODE_BUILD_<LANGUAGE>), as the builder reads it: the stream's message count and " +
|
||||
"sequences, and per kind (delivery, check, recheck) its messages oldest first, at most limit each, with sequence, ask id, when asked " +
|
||||
"and put, age, the state of the step a build node wrote for it, and whether the builder counts it as still waiting or as given up " +
|
||||
"on (its worker delivered it its most times) or taken; and the ask asked last that a node took. The workers' delivery counts are " +
|
||||
"not readable by the builder (nats.nats_streams shows them). Read by the builder, which alone may read the stream; read-only.",
|
||||
Input: map[string]any{"type": "object", "properties": map[string]any{
|
||||
"language": map[string]any{"type": "string", "description": "go, node or image (default go)"},
|
||||
"seat": map[string]any{"type": "string", "description": "or the seat: node-build-go, node-build-node, node-build-image"},
|
||||
"limit": map[string]any{"type": "integer", "description": fmt.Sprintf("messages read of each kind (default %d, at most %d)", build.DefaultQueueLimit, build.MaxQueueLimit)}}},
|
||||
Run: func(args map[string]any) (any, error) {
|
||||
language := build.LanguageOf(str(args, "language"))
|
||||
if language == "" {
|
||||
language = build.LanguageOf(str(args, "seat"))
|
||||
}
|
||||
if language == "" {
|
||||
language = delivery.AskGo
|
||||
}
|
||||
limit, _ := args["limit"].(float64)
|
||||
key, value, err := build.NewQueueAsk(language, int(limit), stdio.CallerOf(args), now())
|
||||
if err != nil {
|
||||
return nil, err
|
||||
}
|
||||
return queue(key, value)
|
||||
}},
|
||||
}
|
||||
}
|
||||
|
||||
// askQueue writes the queues value at key and waits, on a watch of the key, at most bound for the builder's answer.
|
||||
func askQueue(s stdio.KeptState, bound time.Duration) queueAsker {
|
||||
return func(key string, value []byte) (json.RawMessage, error) {
|
||||
answered := make(chan json.RawMessage, 1)
|
||||
var rev uint64
|
||||
var mu sync.Mutex
|
||||
if err := s.Watch(key, func(c stdio.StateChange) error {
|
||||
mu.Lock()
|
||||
mine := rev
|
||||
mu.Unlock()
|
||||
if c.Op != "put" || mine == 0 || c.Revision <= mine {
|
||||
return nil
|
||||
}
|
||||
if a, err := build.DecodeQueueAsk(c.Value); err == nil && !a.Answered.IsZero() {
|
||||
select {
|
||||
case answered <- c.Value:
|
||||
default:
|
||||
}
|
||||
}
|
||||
return nil
|
||||
}); err != nil {
|
||||
return nil, fmt.Errorf("watching %s.%s: %w", build.QueuesState, key, err)
|
||||
}
|
||||
r, err := s.Put(key, json.RawMessage(value))
|
||||
if err != nil {
|
||||
return nil, fmt.Errorf("the read could not be written to %s: %w", build.QueuesBucket, err)
|
||||
}
|
||||
mu.Lock()
|
||||
rev = r
|
||||
mu.Unlock()
|
||||
// The watch may have heard the answer before the revision was known: read it once too.
|
||||
if e, err := s.Get(key); err == nil && e != nil && e.Revision > r {
|
||||
if a, err := build.DecodeQueueAsk(e.Value); err == nil && !a.Answered.IsZero() {
|
||||
return e.Value, nil
|
||||
}
|
||||
}
|
||||
wait, cancel := context.WithTimeout(context.Background(), bound) // a context's bound, no timer (ADR 0437 §8)
|
||||
defer cancel()
|
||||
select {
|
||||
case v := <-answered:
|
||||
return v, nil
|
||||
case <-wait.Done():
|
||||
return nil, fmt.Errorf("the builder did not answer %s.%s within %s: it is not running, or cannot read %s", build.QueuesState, key, bound, build.QueuesBucket)
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
func read(s stdio.KeptState) build.StateRead {
|
||||
return build.StateRead{Keys: s.Keys, Get: func(key string) (json.RawMessage, time.Time, error) {
|
||||
e, err := s.Get(key)
|
||||
if err != nil || e == nil {
|
||||
return nil, time.Time{}, err
|
||||
}
|
||||
return e.Value, time.Time{}, nil
|
||||
}, Written: func(key string) time.Time {
|
||||
e, err := s.Get(key)
|
||||
if err != nil || e == nil {
|
||||
return time.Time{}
|
||||
}
|
||||
return written(s, key, e.Revision)
|
||||
}}
|
||||
}
|
||||
|
||||
// written is when the key's revision was written, from its history, or zero.
|
||||
func written(s stdio.KeptState, key string, revision uint64) time.Time {
|
||||
h, err := s.History(key)
|
||||
if err != nil {
|
||||
return time.Time{}
|
||||
}
|
||||
for _, r := range h {
|
||||
if r.Revision == revision {
|
||||
return r.At
|
||||
}
|
||||
}
|
||||
return time.Time{}
|
||||
}
|
||||
|
||||
func main() {
|
||||
steps := map[string]build.StateRead{}
|
||||
for _, bm := range build.StuckBuildModules {
|
||||
steps[bm] = read(stdio.State(bm + ".steps"))
|
||||
}
|
||||
reasks := stdio.State(build.ReAsksState)
|
||||
r := build.StuckReader{Logf: func(f string, a ...any) { fmt.Fprintf(os.Stderr, "[mesh-delivery-builder-tools] "+f+"\n", a...) }, Builds: read(stdio.State("builds")), ReAsks: read(reasks), Steps: steps}
|
||||
put := func(key string, value []byte) error {
|
||||
_, err := reasks.Put(key, json.RawMessage(value))
|
||||
return err
|
||||
}
|
||||
if err := stdio.Serve("", Tools(r, put, askQueue(stdio.State(build.QueuesState), 25*time.Second), time.Now)); err != nil {
|
||||
fmt.Fprintf(os.Stderr, "[mesh-delivery-builder-tools] %v\n", err)
|
||||
os.Exit(1)
|
||||
}
|
||||
}
|
||||
@@ -66,11 +66,6 @@ func settle(ctx context.Context, kv jetstream.KeyValue, each func(jetstream.KeyV
|
||||
if err != nil {
|
||||
return nil, err
|
||||
}
|
||||
return settled(ctx, w, each)
|
||||
}
|
||||
|
||||
// settled hands each entry the watch delivers before its end-of-initial marker to each, and answers the watch.
|
||||
func settled(ctx context.Context, w jetstream.KeyWatcher, each func(jetstream.KeyValueEntry)) (jetstream.KeyWatcher, error) {
|
||||
for {
|
||||
select {
|
||||
case <-ctx.Done():
|
||||
|
||||
@@ -1,185 +0,0 @@
|
||||
//go:build integration
|
||||
|
||||
package main
|
||||
|
||||
import (
|
||||
"encoding/json"
|
||||
"strings"
|
||||
"sync"
|
||||
"testing"
|
||||
"time"
|
||||
|
||||
"github.com/nats-io/nats.go"
|
||||
"github.com/nats-io/nats.go/jetstream"
|
||||
|
||||
"git.novox.be/novox/mesh-sdk/go/delivery"
|
||||
)
|
||||
|
||||
// A done key whose blob the artifact store no longer holds is built again, by the builder whole against the bus
|
||||
// (novox/hq issue 1937): on 2026-10-24 the store's 03:30 collection deleted the bare blobs of three done keys the
|
||||
// controller had never taken in, and the builder kept them done.
|
||||
|
||||
// heldVerb answers the controller seat's verb held on the bus, as the serving controller does: {result: {output, ok,
|
||||
// answer}}; a reference is gone while gone says so.
|
||||
type heldVerb struct {
|
||||
mu sync.Mutex
|
||||
gone func(reference string) bool
|
||||
asked []string
|
||||
}
|
||||
|
||||
func (h *heldVerb) serve(t *testing.T, b *bed) {
|
||||
t.Helper()
|
||||
sub, err := b.js.Conn().Subscribe("mesh.seat.mesh-controller.call.held.>", func(m *nats.Msg) {
|
||||
var args struct {
|
||||
References []string `json:"references"`
|
||||
}
|
||||
_ = json.Unmarshal(m.Data, &args)
|
||||
a := delivery.HeldAnswer{Store: "store.test:5100", Held: []string{}, Gone: []string{}}
|
||||
h.mu.Lock()
|
||||
for _, r := range args.References {
|
||||
h.asked = append(h.asked, r)
|
||||
if h.gone(r) {
|
||||
a.Gone = append(a.Gone, r)
|
||||
} else {
|
||||
a.Held = append(a.Held, r)
|
||||
}
|
||||
}
|
||||
h.mu.Unlock()
|
||||
reply, _ := json.Marshal(map[string]any{"result": map[string]any{"output": "held", "ok": true, "answer": a}, "node": "ctl"})
|
||||
_ = m.Respond(reply)
|
||||
})
|
||||
if err != nil {
|
||||
t.Fatal(err)
|
||||
}
|
||||
t.Cleanup(func() { _ = sub.Unsubscribe() })
|
||||
}
|
||||
|
||||
func (h *heldVerb) asks() int {
|
||||
h.mu.Lock()
|
||||
defer h.mu.Unlock()
|
||||
return len(h.asked)
|
||||
}
|
||||
|
||||
// eventsConsumer makes EVENTS and the builder's durable consumer of artifacts-gone on it, as the controller makes them
|
||||
// from the manifest's consumes.
|
||||
func eventsConsumer(t *testing.T, b *bed, node string) {
|
||||
t.Helper()
|
||||
if _, err := b.js.CreateStream(b.ctx, jetstream.StreamConfig{Name: eventsStream, Subjects: []string{delivery.ArtifactsGoneSubject}}); err != nil {
|
||||
t.Fatal(err)
|
||||
}
|
||||
if _, err := b.js.CreateOrUpdateConsumer(b.ctx, eventsStream, jetstream.ConsumerConfig{Durable: node + "_mesh-delivery-builder",
|
||||
AckPolicy: jetstream.AckExplicitPolicy, FilterSubjects: []string{delivery.ArtifactsGoneSubject}}); err != nil {
|
||||
t.Fatal(err)
|
||||
}
|
||||
}
|
||||
|
||||
// doneKey writes builds.<module>.<fp> done, naming one archive at reference, and answers its revision.
|
||||
func doneKey(t *testing.T, b *bed, module, manifest, reference, digest string) uint64 {
|
||||
t.Helper()
|
||||
key, _ := delivery.BuilderBuildKey(module, fp)
|
||||
data, err := delivery.EncodeBuilderBuild(delivery.BuilderBuild{State: delivery.BuildDone, By: "n2.mesh-delivery-builder",
|
||||
Manifest: manifest, Step: "built mesh-build-go on n2",
|
||||
Artifacts: []delivery.BuiltArtifact{{Name: "files", Kind: "archive", Digest: digest, Reference: reference}}})
|
||||
if err != nil {
|
||||
t.Fatal(err)
|
||||
}
|
||||
rev, err := b.builds.Put(b.ctx, key, data)
|
||||
if err != nil {
|
||||
t.Fatal(err)
|
||||
}
|
||||
return rev
|
||||
}
|
||||
|
||||
func revisionOf(t *testing.T, b *bed, module string) uint64 {
|
||||
t.Helper()
|
||||
key, _ := delivery.BuilderBuildKey(module, fp)
|
||||
e, err := b.builds.Get(b.ctx, key)
|
||||
if err != nil {
|
||||
t.Fatal(err)
|
||||
}
|
||||
return e.Revision()
|
||||
}
|
||||
|
||||
// 1937/AC3 (integration): the builder, started whole, finds the done key of the trunk's fingerprint naming a blob held
|
||||
// answers gone, builds it again as a new revision whose step says so, and leaves the rebuilt key done.
|
||||
func TestADoneKeyWhoseBlobIsGoneIsBuiltAgainAtStart(t *testing.T) {
|
||||
b := startBed(t)
|
||||
eventsConsumer(t, b, "n1")
|
||||
manifest := b.archive(t, "ca-trust", "modules/ca-trust", commit)
|
||||
old := digestOf("collected last night")
|
||||
oldRef := "artifact-store://ca-trust/files/blobs/" + old
|
||||
rev := doneKey(t, b, "ca-trust", manifest, oldRef, old)
|
||||
h := &heldVerb{gone: func(r string) bool { return r == oldRef }}
|
||||
h.serve(t, b)
|
||||
|
||||
b.start(t, "n1", nil)
|
||||
v := b.await(t, "ca-trust", func(v delivery.BuilderBuild) bool {
|
||||
return v.State == delivery.BuildDone && len(v.Artifacts) == 1 && v.Artifacts[0].Digest == digestOf("files")
|
||||
})
|
||||
if !strings.Contains(v.Step, "built again: the artifact store no longer held "+oldRef) {
|
||||
t.Errorf("the rebuilt key's step %q does not say why it was built again", v.Step)
|
||||
}
|
||||
if got := revisionOf(t, b, "ca-trust"); got <= rev {
|
||||
t.Errorf("revision %d, was %d: want a new revision", got, rev)
|
||||
}
|
||||
if n := b.fake.count("mesh-build-go.build_go_build"); n != 1 {
|
||||
t.Errorf("the archive was built %d times, want once", n)
|
||||
}
|
||||
if h.asks() == 0 {
|
||||
t.Error("the builder never asked held")
|
||||
}
|
||||
}
|
||||
|
||||
// 1937/AC4 (integration): a done key whose blob held answers held at start stays done; when the controller says
|
||||
// artifacts-gone for it, the builder asks again and builds it again.
|
||||
func TestArtifactsGoneLeadsTheBuilderToBuildTheKeyAgain(t *testing.T) {
|
||||
b := startBed(t)
|
||||
eventsConsumer(t, b, "n1")
|
||||
manifest := b.archive(t, "ca-trust", "modules/ca-trust", commit)
|
||||
d := digestOf("files")
|
||||
ref := "artifact-store://ca-trust/files/blobs/" + d
|
||||
rev := doneKey(t, b, "ca-trust", manifest, ref, d)
|
||||
var mu sync.Mutex
|
||||
collected := false
|
||||
h := &heldVerb{gone: func(r string) bool {
|
||||
mu.Lock()
|
||||
defer mu.Unlock()
|
||||
if r == ref && collected {
|
||||
collected = false // gone once: the rebuild pushes it again
|
||||
return true
|
||||
}
|
||||
return false
|
||||
}}
|
||||
h.serve(t, b)
|
||||
|
||||
b.start(t, "n1", nil)
|
||||
for deadline := time.Now().Add(20 * time.Second); h.asks() == 0 && time.Now().Before(deadline); time.Sleep(50 * time.Millisecond) {
|
||||
}
|
||||
if h.asks() == 0 {
|
||||
t.Fatal("the builder never asked held at its start")
|
||||
}
|
||||
time.Sleep(300 * time.Millisecond)
|
||||
if got := revisionOf(t, b, "ca-trust"); got != rev || b.fake.count("mesh-build-go.build_go_build") != 0 {
|
||||
t.Fatalf("a key whose blob is held was built again (revision %d, was %d)", got, rev)
|
||||
}
|
||||
|
||||
mu.Lock()
|
||||
collected = true
|
||||
mu.Unlock()
|
||||
key, _ := delivery.BuilderBuildKey("ca-trust", fp)
|
||||
body, err := delivery.EncodeArtifactsGone(delivery.ArtifactsGone{Module: "ca-trust", Key: key, Fingerprint: fp,
|
||||
Gone: []string{ref}, At: time.Now().UTC()})
|
||||
if err != nil {
|
||||
t.Fatal(err)
|
||||
}
|
||||
if _, err := b.js.Publish(b.ctx, delivery.ArtifactsGoneSubject, body); err != nil {
|
||||
t.Fatal(err)
|
||||
}
|
||||
v := b.await(t, "ca-trust", func(v delivery.BuilderBuild) bool {
|
||||
return v.State == delivery.BuildDone && strings.Contains(v.Step, "built again")
|
||||
})
|
||||
if got := revisionOf(t, b, "ca-trust"); got <= rev || b.fake.count("mesh-build-go.build_go_build") != 1 {
|
||||
t.Errorf("build = %+v at revision %d (was %d), %d builds: want built again once on the event", v, got, rev,
|
||||
b.fake.count("mesh-build-go.build_go_build"))
|
||||
}
|
||||
}
|
||||
@@ -4,303 +4,73 @@ import (
|
||||
"context"
|
||||
"errors"
|
||||
"fmt"
|
||||
"sort"
|
||||
"strings"
|
||||
"time"
|
||||
|
||||
"github.com/nats-io/nats.go/jetstream"
|
||||
|
||||
"git.novox.be/novox/mesh-sdk/go/delivery"
|
||||
|
||||
"mesh-delivery-builder/internal/build"
|
||||
)
|
||||
|
||||
// heldOnTheBus says whether an ask a build key names is on its build seat's stream, or a build node wrote a step for it
|
||||
// (issue 1910), read once at the take-over of a key at start; and, at the builder's check bound, whether an ask can still
|
||||
// be answered (issue 1945). Never polled.
|
||||
// (issue 1910): read once, at the take-over of a key at start, never polled.
|
||||
type heldOnTheBus struct{ js jetstream.JetStream }
|
||||
|
||||
// Held is build.Builder's Held: a step key `<node>.<ask id>` in the build module's steps, or a message of the stream under
|
||||
// the ask's subject whose Nats-Msg-Id is the ask's id.
|
||||
func (h heldOnTheBus) Held(ctx context.Context, a delivery.StepAsk) (bool, error) {
|
||||
seen, err := h.seen(ctx, a, false)
|
||||
module, err := delivery.BuildModuleOf(a.Language)
|
||||
if err != nil {
|
||||
return false, err
|
||||
}
|
||||
return seen.Step || seen.OnStream, nil
|
||||
}
|
||||
|
||||
// Gone is build.Builder's Gone: why the ask can no longer be answered (build.AskSeen.Why), or "".
|
||||
func (h heldOnTheBus) Gone(ctx context.Context, a delivery.StepAsk) (string, error) {
|
||||
seen, err := h.seen(ctx, a, true)
|
||||
pattern, err := delivery.AskStepWatch(a.ID)
|
||||
if err != nil {
|
||||
return "", err
|
||||
}
|
||||
return seen.Why(), nil
|
||||
}
|
||||
|
||||
// maxOnSubject bounds the messages of one subject a read walks (each a read by sequence, next by subject), and maxSteps
|
||||
// the steps it reads whole to find the last ask taken: past them the read says it cannot tell, and the ask is waited for.
|
||||
const (
|
||||
maxOnSubject = 5000
|
||||
maxSteps = 200
|
||||
)
|
||||
|
||||
// seen reads what the bus holds of the ask; with later, the ask asked last that a build node took too (AskSeen.Last), when
|
||||
// the ask is on its stream.
|
||||
func (h heldOnTheBus) seen(ctx context.Context, a delivery.StepAsk, later bool) (build.AskSeen, error) {
|
||||
seen := build.AskSeen{Kind: a.Kind, At: build.AskedAt(a.ID)}
|
||||
module, err := delivery.BuildModuleOf(a.Language)
|
||||
if err != nil {
|
||||
return seen, err
|
||||
return false, err
|
||||
}
|
||||
steps, err := h.js.KeyValue(ctx, delivery.StepsBucket(module))
|
||||
if err != nil {
|
||||
return seen, fmt.Errorf("the bucket %s: %w", delivery.StepsBucket(module), err)
|
||||
}
|
||||
pattern, err := delivery.AskStepWatch(a.ID)
|
||||
if err != nil {
|
||||
return seen, err
|
||||
return false, fmt.Errorf("the bucket %s: %w", delivery.StepsBucket(module), err)
|
||||
}
|
||||
keys, err := steps.ListKeysFiltered(ctx, pattern)
|
||||
if err != nil {
|
||||
return seen, err
|
||||
return false, err
|
||||
}
|
||||
for range keys.Keys() {
|
||||
keys.Stop()
|
||||
seen.Step = true // a node took it
|
||||
return seen, nil
|
||||
}
|
||||
stream, name, subject, err := h.stream(ctx, a.Language, a.Kind)
|
||||
seen.Stream = name
|
||||
if errors.Is(err, jetstream.ErrStreamNotFound) {
|
||||
return seen, nil
|
||||
return true, nil // a node took it
|
||||
}
|
||||
subject, err := delivery.AskSubject(a.Language, a.Kind)
|
||||
if err != nil {
|
||||
return seen, err
|
||||
}
|
||||
var ahead []build.Queued
|
||||
err = onSubject(ctx, stream, subject, func(q build.Queued) bool {
|
||||
if q.Ask == a.ID {
|
||||
seen.OnStream, seen.PutAt = true, q.PutAt
|
||||
return false
|
||||
}
|
||||
ahead = append(ahead, q)
|
||||
return true
|
||||
})
|
||||
if err != nil || !seen.OnStream || !later {
|
||||
return seen, err
|
||||
}
|
||||
taken, err := stepKeys(ctx, steps)
|
||||
if err != nil {
|
||||
return seen, err
|
||||
}
|
||||
for i := range ahead {
|
||||
ahead[i].Step = stepState(ctx, steps, taken[ahead[i].Ask])
|
||||
}
|
||||
seen.Ahead = ahead
|
||||
since := seen.At
|
||||
if since.IsZero() {
|
||||
since = seen.PutAt
|
||||
}
|
||||
for _, q := range ahead {
|
||||
if q.At.Before(since) {
|
||||
since = q.At
|
||||
}
|
||||
}
|
||||
seen.Last = lastTaken(ctx, steps, taken, a.Kind, since)
|
||||
return seen, nil
|
||||
}
|
||||
|
||||
// stream is the build seat's stream of language, its name and the subject of kind on it.
|
||||
func (h heldOnTheBus) stream(ctx context.Context, language, kind string) (jetstream.Stream, string, string, error) {
|
||||
subject, err := delivery.AskSubject(language, kind)
|
||||
if err != nil {
|
||||
return nil, "", "", err
|
||||
return false, err
|
||||
}
|
||||
// The seat's stream by its name (delivery.AskStream), as the broker grants the builder its information and its
|
||||
// messages by sequence and nothing wider (issue 1910).
|
||||
name, err := delivery.AskStream(language)
|
||||
name, err := delivery.AskStream(a.Language)
|
||||
if err != nil {
|
||||
return nil, "", "", err
|
||||
return false, err
|
||||
}
|
||||
stream, err := h.js.Stream(ctx, name)
|
||||
return stream, name, subject, err
|
||||
}
|
||||
|
||||
// onSubject hands each message of subject on stream to each, in order, until each answers false or the subject's
|
||||
// messages end. A seat's stream is a work queue, which takes no second consumer over its subjects: its messages are read
|
||||
// by sequence instead, each the next of the subject (one read per message, none for the sequences taken between), and
|
||||
// none consumed.
|
||||
func onSubject(ctx context.Context, stream jetstream.Stream, subject string, each func(build.Queued) bool) error {
|
||||
for seq, n := uint64(1), 0; ; n++ {
|
||||
if n >= maxOnSubject {
|
||||
return fmt.Errorf("%s holds more than %d messages before the one asked after: not read further", subject, maxOnSubject)
|
||||
}
|
||||
m, err := stream.GetMsg(ctx, seq, jetstream.WithGetMsgSubject(subject))
|
||||
if errors.Is(err, jetstream.ErrMsgNotFound) {
|
||||
return nil
|
||||
}
|
||||
if err != nil {
|
||||
return err
|
||||
}
|
||||
q := build.Queued{Seq: m.Sequence, Ask: m.Header.Get(jetstream.MsgIDHeader), PutAt: m.Time}
|
||||
if _, kind, err := delivery.ParseAskSubject(m.Subject); err == nil {
|
||||
q.Kind = kind
|
||||
}
|
||||
if q.At = build.AskedAt(q.Ask); q.At.IsZero() {
|
||||
q.At = q.PutAt
|
||||
}
|
||||
if !each(q) {
|
||||
return nil
|
||||
}
|
||||
seq = m.Sequence + 1
|
||||
}
|
||||
}
|
||||
|
||||
// stepKeys are the build module's step keys by ask id: `<node>.<ask id>` (a node's own key, such as its pause, has no
|
||||
// ask id and is left out).
|
||||
func stepKeys(ctx context.Context, steps jetstream.KeyValue) (map[string][]string, error) {
|
||||
all, err := steps.ListKeys(ctx)
|
||||
if err != nil {
|
||||
if errors.Is(err, jetstream.ErrNoKeysFound) {
|
||||
return map[string][]string{}, nil
|
||||
}
|
||||
return nil, err
|
||||
}
|
||||
defer all.Stop()
|
||||
out := map[string][]string{}
|
||||
for k := range all.Keys() {
|
||||
if _, id, ok := strings.Cut(k, "."); ok && !build.AskedAt(id).IsZero() {
|
||||
out[id] = append(out[id], k)
|
||||
}
|
||||
}
|
||||
return out, nil
|
||||
}
|
||||
|
||||
// stepState is the state of the first of keys a node wrote, "" for none.
|
||||
func stepState(ctx context.Context, steps jetstream.KeyValue, keys []string) string {
|
||||
for _, k := range keys {
|
||||
e, err := steps.Get(ctx, k)
|
||||
if err != nil {
|
||||
continue
|
||||
}
|
||||
if s, err := delivery.DecodeStep(e.Value()); err == nil {
|
||||
return s.State
|
||||
}
|
||||
}
|
||||
return ""
|
||||
}
|
||||
|
||||
// lastTaken is the ask asked last after since that a build node took, of a kind whose taking proves kind passed
|
||||
// (build.Proves), read newest first and at most maxSteps of them; nil for none. A step's tool is "<kind> ask"
|
||||
// (mesh-sdk buildstep).
|
||||
func lastTaken(ctx context.Context, steps jetstream.KeyValue, taken map[string][]string, kind string, since time.Time) *build.Taken {
|
||||
var ids []string
|
||||
for id := range taken {
|
||||
if build.AskedAt(id).After(since) {
|
||||
ids = append(ids, id)
|
||||
}
|
||||
}
|
||||
sort.Slice(ids, func(i, j int) bool { return build.AskedAt(ids[i]).After(build.AskedAt(ids[j])) })
|
||||
read := 0
|
||||
for _, id := range ids {
|
||||
for _, k := range taken[id] {
|
||||
if read >= maxSteps {
|
||||
return nil
|
||||
}
|
||||
read++
|
||||
e, err := steps.Get(ctx, k)
|
||||
if err != nil {
|
||||
continue
|
||||
}
|
||||
s, err := delivery.DecodeStep(e.Value())
|
||||
if err != nil {
|
||||
continue
|
||||
}
|
||||
stepKind, ok := strings.CutSuffix(s.Tool, " ask")
|
||||
if !ok || !build.Proves(stepKind, kind) {
|
||||
continue
|
||||
}
|
||||
return &build.Taken{Ask: id, Kind: stepKind, At: build.AskedAt(id), Node: s.Node, Started: s.Started}
|
||||
}
|
||||
}
|
||||
return nil
|
||||
}
|
||||
|
||||
// Drop is build.Dropper's Drop: it removes the ask's message from its build seat's stream, found by its Nats-Msg-Id on its
|
||||
// subject, when the stream still holds it. The builder's account must be granted $JS.API.STREAM.MSG.DELETE.<stream>.
|
||||
func (h heldOnTheBus) Drop(ctx context.Context, a delivery.StepAsk) error {
|
||||
stream, name, subject, err := h.stream(ctx, a.Language, a.Kind)
|
||||
if errors.Is(err, jetstream.ErrStreamNotFound) {
|
||||
return nil
|
||||
return false, nil
|
||||
}
|
||||
if err != nil {
|
||||
return err
|
||||
}
|
||||
var seq uint64
|
||||
if err := onSubject(ctx, stream, subject, func(q build.Queued) bool {
|
||||
if q.Ask == a.ID {
|
||||
seq = q.Seq
|
||||
return false
|
||||
}
|
||||
return true
|
||||
}); err != nil || seq == 0 {
|
||||
return err
|
||||
}
|
||||
if err := stream.DeleteMsg(ctx, seq); err != nil && !errors.Is(err, jetstream.ErrMsgNotFound) {
|
||||
return fmt.Errorf("deleting message %d of %s (is $JS.API.STREAM.MSG.DELETE.%s granted to the builder?): %w", seq, name, name, err)
|
||||
}
|
||||
return nil
|
||||
}
|
||||
|
||||
// Queue is what the tool builder_seat_queue answers (build.SeatQueue): the messages of language's build seat's stream, of
|
||||
// every kind, oldest first and at most limit of each kind, each with its step's state and whether it still waits.
|
||||
func (h heldOnTheBus) Queue(ctx context.Context, language string, limit int) (build.SeatQueue, error) {
|
||||
q := build.SeatQueue{Language: language, Note: build.QueueNote}
|
||||
module, err := delivery.BuildModuleOf(language)
|
||||
if err != nil {
|
||||
return q, err
|
||||
}
|
||||
stream, name, _, err := h.stream(ctx, language, delivery.AskDelivery)
|
||||
q.Stream = name
|
||||
if errors.Is(err, jetstream.ErrStreamNotFound) {
|
||||
q.Note = name + " does not exist"
|
||||
return q, nil
|
||||
}
|
||||
if err != nil {
|
||||
return q, err
|
||||
return false, err
|
||||
}
|
||||
// A seat's stream is a work queue, which takes no second consumer over its subjects: its messages are read by sequence
|
||||
// instead, each a direct read that consumes nothing.
|
||||
info, err := stream.Info(ctx)
|
||||
if err != nil {
|
||||
return q, err
|
||||
return false, err
|
||||
}
|
||||
q.Messages, q.FirstSeq, q.LastSeq = info.State.Msgs, info.State.FirstSeq, info.State.LastSeq
|
||||
steps, err := h.js.KeyValue(ctx, delivery.StepsBucket(module))
|
||||
if err != nil {
|
||||
return q, fmt.Errorf("the bucket %s: %w", delivery.StepsBucket(module), err)
|
||||
}
|
||||
taken, err := stepKeys(ctx, steps)
|
||||
if err != nil {
|
||||
return q, err
|
||||
}
|
||||
for _, kind := range delivery.AskKinds {
|
||||
subject, _ := delivery.AskSubject(language, kind)
|
||||
var ahead []build.Queued
|
||||
if err := onSubject(ctx, stream, subject, func(m build.Queued) bool {
|
||||
ahead = append(ahead, m)
|
||||
return len(ahead) < limit
|
||||
}); err != nil {
|
||||
return q, err
|
||||
for seq := info.State.FirstSeq; seq != 0 && seq <= info.State.LastSeq; seq++ {
|
||||
m, err := stream.GetMsg(ctx, seq)
|
||||
if errors.Is(err, jetstream.ErrMsgNotFound) {
|
||||
continue // taken and acknowledged, or removed
|
||||
}
|
||||
if len(ahead) == 0 {
|
||||
continue
|
||||
if err != nil {
|
||||
return false, err
|
||||
}
|
||||
for i := range ahead {
|
||||
ahead[i].Step = stepState(ctx, steps, taken[ahead[i].Ask])
|
||||
if m.Subject == subject && m.Header.Get(jetstream.MsgIDHeader) == a.ID {
|
||||
return true, nil
|
||||
}
|
||||
seen := build.AskSeen{Kind: kind, Ahead: ahead, Last: lastTaken(ctx, steps, taken, kind, ahead[0].At)}
|
||||
q.Kinds = append(q.Kinds, build.NewKindQueue(kind, seen, time.Now()))
|
||||
}
|
||||
return q, nil
|
||||
return false, nil
|
||||
}
|
||||
|
||||
@@ -24,8 +24,6 @@ import (
|
||||
|
||||
"git.novox.be/novox/mesh-sdk/go/buildstep"
|
||||
"git.novox.be/novox/mesh-sdk/go/delivery"
|
||||
|
||||
"mesh-delivery-builder/internal/build"
|
||||
)
|
||||
|
||||
// busConf is the shape of the composed accounts file (mesh-controller internal/broker): one account with JetStream, the
|
||||
@@ -164,29 +162,11 @@ func (f *fakeBuildModules) serve(t *testing.T, module string, nodes ...string) {
|
||||
}
|
||||
}
|
||||
|
||||
// trunkHead is the trunk head of novox/mesh-catalog the bed's source revision names: newer than the module values' commit.
|
||||
const trunkHead = "3333333333333333333333333333333333333333"
|
||||
|
||||
// trunk writes the gate's source.main naming head as novox/mesh-catalog's trunk head, and answers its revision.
|
||||
func (b *bed) trunk(t *testing.T, head string) uint64 {
|
||||
t.Helper()
|
||||
data, err := delivery.EncodeSource(delivery.Source{V: delivery.Version, Group: "g", Heads: map[string]string{"novox/mesh-catalog": head}})
|
||||
if err != nil {
|
||||
t.Fatal(err)
|
||||
}
|
||||
rev, err := b.source.Put(b.ctx, delivery.SourceMainKey, data)
|
||||
if err != nil {
|
||||
t.Fatal(err)
|
||||
}
|
||||
return rev
|
||||
}
|
||||
|
||||
type bed struct {
|
||||
ctx context.Context
|
||||
js jetstream.JetStream
|
||||
modules jetstream.KeyValue
|
||||
candidates jetstream.KeyValue
|
||||
source jetstream.KeyValue
|
||||
builds jetstream.KeyValue
|
||||
tools map[string]jetstream.KeyValue
|
||||
instances jetstream.KeyValue
|
||||
@@ -199,11 +179,7 @@ type bed struct {
|
||||
// startBed starts the bus, the buckets the controller makes from the builder's and the build modules' manifests, the
|
||||
// build modules' streams and the builder's durable consumers on them, two nodes' toolchains, the indexer's manifests, and
|
||||
// the fake build modules. It runs no builder.
|
||||
func startBed(t *testing.T) *bed { return startBedWith(t, false) }
|
||||
|
||||
// startBedWith is startBed with the nodes' capacity 0 from the start when closed: a puller that reads its capacity before a
|
||||
// test could close the nodes may be in a pull already and takes the first ask put (issue 1928).
|
||||
func startBedWith(t *testing.T, closed bool) *bed {
|
||||
func startBed(t *testing.T) *bed {
|
||||
dir, err := os.MkdirTemp(os.Getenv("TMPDIR"), "b")
|
||||
if err != nil {
|
||||
t.Fatal(err)
|
||||
@@ -263,12 +239,10 @@ func startBedWith(t *testing.T, closed bool) *bed {
|
||||
}
|
||||
b.modules = mk(delivery.ModulesBucket, delivery.ModulesHistory)
|
||||
b.candidates = mk(delivery.CandidatesBucket, delivery.CandidatesHistory)
|
||||
b.source = mk(delivery.SourceBucket, delivery.SourceHistory)
|
||||
mk(delivery.ManifestsBucket, delivery.ManifestsHistory)
|
||||
b.builds = mk(delivery.BuilderBuildsBucket, delivery.BuilderBuildsHistory)
|
||||
b.instances = mk(instancesBucket, 1)
|
||||
b.fake = &fakeBuildModules{js: js, ctx: ctx, calls: map[string]int{}}
|
||||
b.fake.closed.Store(closed)
|
||||
b.fake.serve(t, "mesh-build-go", "n1", "n2")
|
||||
b.fake.serve(t, "mesh-build-node", "n1", "n2")
|
||||
b.fake.serve(t, "mesh-build-image", "n1") // the image build module runs on n1 only
|
||||
@@ -534,9 +508,7 @@ func TestAKeyLeftBuildingForAModuleThatIsGoneIsClosedAtStart(t *testing.T) {
|
||||
|
||||
// TestBuilderBuildsACandidatesFingerprintFromTheHeadMergedOntoTheTrunk: the trunk's record of netcheck carries a fingerprint of its
|
||||
// own; a candidate the indexer wrote gives netcheck the fingerprint fp at a pull request's head; the program writes
|
||||
// builds.netcheck.<fp> done, its fetch given the head, the ref that carries it and the trunk head of the candidate's source
|
||||
// revision, newer than the module value's commit (issue 1684; the operator 2026-10-25: a value names the commit its
|
||||
// fingerprint first appeared at).
|
||||
// builds.netcheck.<fp> done, its fetch given the head, the ref that carries it and the trunk commit (issue 1684).
|
||||
func TestBuilderBuildsACandidatesFingerprintFromTheHeadMergedOntoTheTrunk(t *testing.T) { // N7/AC1
|
||||
b := startBed(t)
|
||||
other := "src2:" + strings.Repeat("e", 64)
|
||||
@@ -553,7 +525,7 @@ func TestBuilderBuildsACandidatesFingerprintFromTheHeadMergedOntoTheTrunk(t *tes
|
||||
pulls := []delivery.CandidatePull{{Head: delivery.Head{Repository: "novox/mesh-catalog", Number: 7, Head: head}, Modules: []string{"netcheck"},
|
||||
Fps: map[string]delivery.CandidateModule{"netcheck": {FP2: fp, Manifest: digest}}}}
|
||||
hash, _ := delivery.HeadsHash([]delivery.Head{pulls[0].Head})
|
||||
cand, err := delivery.EncodeCandidate(delivery.Candidate{V: delivery.Version, Group: "feat/x", Base: b.trunk(t, trunkHead), HeadsHash: hash, Pulls: pulls, FPSet: delivery.FingerprintSet(pulls)})
|
||||
cand, err := delivery.EncodeCandidate(delivery.Candidate{V: delivery.Version, Group: "feat/x", HeadsHash: hash, Pulls: pulls, FPSet: delivery.FingerprintSet(pulls)})
|
||||
if err != nil {
|
||||
t.Fatal(err)
|
||||
}
|
||||
@@ -573,12 +545,12 @@ func TestBuilderBuildsACandidatesFingerprintFromTheHeadMergedOntoTheTrunk(t *tes
|
||||
defer b.fake.mu.Unlock()
|
||||
found := false
|
||||
for _, f := range b.fake.fetches {
|
||||
if f["commit"] == head && f["ref"] == "refs/pull/7/head" && f["base"] == trunkHead {
|
||||
if f["commit"] == head && f["ref"] == "refs/pull/7/head" && f["base"] == commit {
|
||||
found = true
|
||||
}
|
||||
}
|
||||
if !found {
|
||||
t.Errorf("fetches = %v, want one of the candidate's head with its ref and the trunk head it was previewed onto, not the module value's commit", b.fake.fetches)
|
||||
t.Errorf("fetches = %v, want one of the candidate's head with its ref and the trunk commit", b.fake.fetches)
|
||||
}
|
||||
}
|
||||
|
||||
@@ -626,7 +598,7 @@ func TestAnImageIsBuiltOnOneNodeAndOnlyATrunkKeyPublishes(t *testing.T) { // 170
|
||||
pulls := []delivery.CandidatePull{{Head: delivery.Head{Repository: "novox/mesh-catalog", Number: 7, Head: head}, Modules: []string{"imaged"},
|
||||
Fps: map[string]delivery.CandidateModule{"imaged": {FP2: fp, Manifest: digest}}}}
|
||||
hash, _ := delivery.HeadsHash([]delivery.Head{pulls[0].Head})
|
||||
cand, err := delivery.EncodeCandidate(delivery.Candidate{V: delivery.Version, Group: "feat/x", Base: b.trunk(t, trunkHead), HeadsHash: hash, Pulls: pulls, FPSet: delivery.FingerprintSet(pulls)})
|
||||
cand, err := delivery.EncodeCandidate(delivery.Candidate{V: delivery.Version, Group: "feat/x", HeadsHash: hash, Pulls: pulls, FPSet: delivery.FingerprintSet(pulls)})
|
||||
if err != nil {
|
||||
t.Fatal(err)
|
||||
}
|
||||
@@ -809,7 +781,8 @@ func (b *bed) asksPut(t *testing.T, nc *nats.Conn) func() []delivery.StepAsk {
|
||||
// 1887/AC3: a builder that started again while its asks waited in the streams (no node had a free slot) puts no second
|
||||
// ask: it waits for the asks its building key names, and the key is done once a node took them.
|
||||
func TestARestartedBuilderPutsNoSecondAsk(t *testing.T) {
|
||||
b := startBedWith(t, true) // 1928/AC1: no node can take an ask from the start, so no pull in hand takes the first one
|
||||
b := startBed(t)
|
||||
b.fake.closed.Store(true)
|
||||
b.module(t, "netcheck", "catalogue-a67f0196-netcheck.module.json", "modules/netcheck")
|
||||
sub, err := nats.Connect(b.srvURL, nats.UserInfo("ctl", "pw"))
|
||||
if err != nil {
|
||||
@@ -819,41 +792,11 @@ func TestARestartedBuilderPutsNoSecondAsk(t *testing.T) {
|
||||
asked := b.asksPut(t, sub)
|
||||
b.start(t, "n1", nil)
|
||||
v := b.await(t, "netcheck", func(v delivery.BuilderBuild) bool { return v.State == delivery.BuildBuilding && len(v.Asks) == 2 })
|
||||
for deadline := time.Now().Add(20 * time.Second); len(asked()) < 2; time.Sleep(20 * time.Millisecond) {
|
||||
if time.Now().After(deadline) {
|
||||
t.Fatalf("asks put = %+v within 20 s, want the two the key names", asked())
|
||||
}
|
||||
}
|
||||
// 1945 note 62, on the real bus: the stream read as builder_seat_queue reads it shows the Go ask waiting; the ask can
|
||||
// still be answered (nothing was taken since); and a message dropped as an ask asked again is gone from the stream.
|
||||
held := heldOnTheBus{b.js}
|
||||
goAsk := delivery.StepAsk{ID: v.Asks[delivery.AskGo], Language: delivery.AskGo, Kind: delivery.AskDelivery}
|
||||
stale := delivery.StepAsk{ID: "mvo53jcm70b5f7", Language: delivery.AskGo, Kind: delivery.AskDelivery}
|
||||
subject, _ := delivery.AskSubject(delivery.AskGo, delivery.AskDelivery)
|
||||
if _, err := b.js.Publish(b.ctx, subject, []byte("{}"), jetstream.WithMsgID(stale.ID)); err != nil {
|
||||
t.Fatal(err)
|
||||
}
|
||||
queued := func() []build.QueuedState {
|
||||
q, err := held.Queue(b.ctx, delivery.AskGo, 10)
|
||||
if err != nil || len(q.Kinds) != 1 || q.Kinds[0].Kind != delivery.AskDelivery {
|
||||
t.Fatalf("the Go seat's queue = %+v, %v; want its delivery asks", q, err)
|
||||
}
|
||||
return q.Kinds[0].Messages
|
||||
}
|
||||
if m := queued(); len(m) != 2 || m[0].Ask != goAsk.ID || !m[0].Waits || m[1].Ask != stale.ID {
|
||||
t.Fatalf("the Go delivery queue = %+v, want the key's ask waiting, then the stale one", m)
|
||||
}
|
||||
if why, err := held.Gone(b.ctx, goAsk); why != "" || err != nil {
|
||||
t.Errorf("Gone(the waiting ask) = %q, %v; want it answerable", why, err)
|
||||
}
|
||||
if err := held.Drop(b.ctx, stale); err != nil {
|
||||
t.Fatal(err)
|
||||
}
|
||||
if m := queued(); len(m) != 1 || m[0].Ask != goAsk.ID {
|
||||
t.Fatalf("after the drop the Go delivery queue = %+v, want the key's ask alone", m)
|
||||
for deadline := time.Now().Add(5 * time.Second); len(asked()) < 2 && time.Now().Before(deadline); time.Sleep(20 * time.Millisecond) {
|
||||
}
|
||||
b.stop()
|
||||
b.start(t, "n1", nil) // the same builder, started again, while both asks wait
|
||||
time.Sleep(500 * time.Millisecond)
|
||||
b.fake.open()
|
||||
done := b.await(t, "netcheck", isState(delivery.BuildDone))
|
||||
if got := asked(); len(got) != 2 {
|
||||
|
||||
@@ -13,24 +13,19 @@ import (
|
||||
"encoding/json"
|
||||
"errors"
|
||||
"fmt"
|
||||
"git.novox.be/novox/mesh-sdk/go/delivery/buildrun"
|
||||
"io"
|
||||
"log"
|
||||
"maps"
|
||||
"os"
|
||||
"os/signal"
|
||||
"slices"
|
||||
"strings"
|
||||
"sync"
|
||||
"syscall"
|
||||
"time"
|
||||
|
||||
"git.novox.be/novox/mesh-sdk/go/delivery/buildrun"
|
||||
|
||||
"github.com/nats-io/nats.go"
|
||||
"github.com/nats-io/nats.go/jetstream"
|
||||
|
||||
"git.novox.be/novox/mesh-sdk/go/delivery"
|
||||
"git.novox.be/novox/mesh-sdk/go/process"
|
||||
|
||||
"mesh-delivery-builder/internal/build"
|
||||
)
|
||||
@@ -125,20 +120,29 @@ func run(ctx context.Context, getenv func(string) string, logOut io.Writer) erro
|
||||
if err != nil {
|
||||
return err
|
||||
}
|
||||
builds, err := process.EssentialBucket(ctx, js, "builder", delivery.BuilderBuildsBucket, "claim or write a build key")
|
||||
bucket := func(name string) (jetstream.KeyValue, error) {
|
||||
kv, err := js.KeyValue(ctx, name)
|
||||
if err != nil {
|
||||
return nil, fmt.Errorf("the bucket %s: %w", name, err)
|
||||
}
|
||||
return kv, nil
|
||||
}
|
||||
builds, err := bucket(delivery.BuilderBuildsBucket)
|
||||
if err != nil {
|
||||
return err
|
||||
}
|
||||
modules, err := process.EssentialBucket(ctx, js, "builder", delivery.ModulesBucket, "know any fingerprint to build")
|
||||
modules, err := bucket(delivery.ModulesBucket)
|
||||
if err != nil {
|
||||
return err
|
||||
}
|
||||
manifests, err := process.EssentialBucket(ctx, js, "builder", delivery.ManifestsBucket, "read what a module builds")
|
||||
manifests, err := bucket(delivery.ManifestsBucket)
|
||||
if err != nil {
|
||||
return err
|
||||
}
|
||||
candidates, err := bucket(delivery.CandidatesBucket)
|
||||
if err != nil {
|
||||
return err
|
||||
}
|
||||
// The candidates' fingerprints are built too (issue 1684): a builder that cannot read them builds the trunk's.
|
||||
candidates := process.OptionalBucket(ctx, js, delivery.CandidatesBucket, "no candidate's fingerprint is built until the builder starts again; the trunk's are", logger.Printf)
|
||||
bound := defaultStepBound
|
||||
if v := strings.TrimSpace(getenv("MESH_BUILDER_STEP_BOUND")); v != "" {
|
||||
if bound, err = time.ParseDuration(v); err != nil {
|
||||
@@ -149,48 +153,23 @@ func run(ctx context.Context, getenv func(string) string, logOut io.Writer) erro
|
||||
// Each build module's part of a build is an ask on its build seat's stream, pulled by a build node with a free slot
|
||||
// (novox/hq ADR 0525): the builder chooses no node, so it reads neither presence nor have and holds no capacity.
|
||||
asks := buildrun.JetStreamAsks{JS: js}
|
||||
// The builder asks the controller, as its own account, whether the artifact store still holds a done key's blobs
|
||||
// (the seat verb held, novox/hq issue 1937) before it leaves the key done.
|
||||
account, err := process.ReadAccount(path)
|
||||
if err != nil {
|
||||
return err
|
||||
}
|
||||
calls, err := process.Connect(account, nats.Name(cred.Node+"."+cred.Module+".calls"), nats.RetryOnFailedConnect(true))
|
||||
if err != nil {
|
||||
return err
|
||||
}
|
||||
defer calls.Close()
|
||||
b := &build.Builder{
|
||||
Claimer: build.Claimer{Store: kvStore{builds}, By: cred.Node + "." + cred.Module},
|
||||
Asks: buildrun.Asker{Publisher: asks, Waiter: asks, Bound: bound},
|
||||
Held: heldOnTheBus{js},
|
||||
// An ask that can no longer be answered is asked again (issue 1945), read at the step bound: a context's bound.
|
||||
Gone: heldOnTheBus{js},
|
||||
CheckAfter: bound,
|
||||
Claimer: build.Claimer{Store: kvStore{builds}, By: cred.Node + "." + cred.Module},
|
||||
Asks: buildrun.Asker{Publisher: asks, Waiter: asks, Bound: bound},
|
||||
Held: heldOnTheBus{js},
|
||||
Toolchains: tools,
|
||||
Manifests: manifestReader{manifests},
|
||||
Logf: logger.Printf,
|
||||
Stored: storedVia(calls.Call),
|
||||
}
|
||||
// A candidate's preview is merged onto the trunk head the indexer previewed it onto: source.main at the candidate's base
|
||||
// revision (the gate's source state). The source's revisions are watched with their history (a direct get of one revision
|
||||
// is not what a read grants): a revision heard after the candidate that names it builds that candidate then. Where it
|
||||
// cannot be read the trunk's keys are built and the candidates wait (issue 1945).
|
||||
errs := make(chan error, 6)
|
||||
trunks := &trunkSource{ctx: ctx, js: js, heads: &sourceHeads{}, moved: b.TrunkMoved, errs: errs, logf: logger.Printf}
|
||||
trunks.start()
|
||||
b.Trunk = trunks.head
|
||||
b.Said = func(e build.AskedAgain) {
|
||||
if err := emitAskedAgain(context.WithoutCancel(ctx), js, cred, e); err != nil {
|
||||
logger.Printf("%v", err)
|
||||
}
|
||||
}
|
||||
// **Said once every build module answered a reference, taken away when stopped** (issue 1886, ADR 0522): the
|
||||
// controller delivers from this builder's keys only while an instance says it writes references. A bucket not there
|
||||
// yet (the manifest's state not made) is said, and the controller's plan waits for the keys, named (no build-agent
|
||||
// is asked since R4g, ADR 0524 §7).
|
||||
switch kv := process.OptionalBucket(ctx, js, instancesBucket, "the controller is not told that this builder writes references until it starts again", logger.Printf); {
|
||||
case kv == nil:
|
||||
switch kv, err := js.KeyValue(ctx, instancesBucket); {
|
||||
case errors.Is(err, jetstream.ErrBucketNotFound):
|
||||
logger.Printf("the bucket %s does not exist yet: the controller is not told that this builder writes references until it starts again", instancesBucket)
|
||||
case err != nil:
|
||||
return fmt.Errorf("the bucket %s: %w", instancesBucket, err)
|
||||
default:
|
||||
says := newSayer(ctx, kv, cred.Node, []string{buildrun.GoBuildModule, buildrun.NodeBuildModule, build.ImageBuildModule}, logger.Printf)
|
||||
b.Answered = says.Answered
|
||||
@@ -204,14 +183,6 @@ func run(ctx context.Context, getenv func(string) string, logOut io.Writer) erro
|
||||
}
|
||||
// The toolchains first, so a build that starts from the first modules value finds the nodes.
|
||||
watch := newToolchainWatch(ctx, js, tools, b.NodesChanged, logger)
|
||||
// Only the toolchain reports of nodes the build module is assigned to count (issue 1940): the controller's
|
||||
// assignments are settled first, so the toolchains settle through the gate already knowing them.
|
||||
gate := newToolchainGate([]string{buildrun.GoBuildModule, buildrun.NodeBuildModule}, tools.Put, logger.Printf)
|
||||
watch.put = gate.Toolchain
|
||||
assignErrs, err := watchAssignments(ctx, js, gate, b.NodesChanged, logger)
|
||||
if err != nil {
|
||||
return err
|
||||
}
|
||||
if err := watch.start(); err != nil {
|
||||
return err
|
||||
}
|
||||
@@ -232,21 +203,6 @@ func run(ctx context.Context, getenv func(string) string, logOut io.Writer) erro
|
||||
}
|
||||
defer cc.Stop()
|
||||
}
|
||||
// The controller says artifacts-gone when its take-in found a key's blob gone (issue 1937): the builder's durable
|
||||
// consumer on EVENTS, made by the controller from the manifest's consumes. Where it is not there yet the builder says
|
||||
// so; it still asks held at its start and at every module value.
|
||||
switch cons, err := js.Consumer(ctx, eventsStream, cred.Node+"_"+cred.Module); {
|
||||
case err != nil:
|
||||
logger.Printf("the consumer %s_%s on %s does not exist yet, so %s is not heard until the builder starts again: %v",
|
||||
cred.Node, cred.Module, eventsStream, delivery.ArtifactsGoneEvent, err)
|
||||
default:
|
||||
cc, err := cons.Consume(func(m jetstream.Msg) { heardGone(ctx, b, m, logger.Printf) },
|
||||
jetstream.ConsumeErrHandler(func(_ jetstream.ConsumeContext, err error) { logger.Printf("hearing the bus: %v", err) }))
|
||||
if err != nil {
|
||||
return err
|
||||
}
|
||||
defer cc.Stop()
|
||||
}
|
||||
each := func(e jetstream.KeyValueEntry) {
|
||||
if opOf(e) {
|
||||
b.Module(ctx, e.Key(), e.Value())
|
||||
@@ -270,92 +226,21 @@ func run(ctx context.Context, getenv func(string) string, logOut io.Writer) erro
|
||||
b.ForgetCandidate(e.Key())
|
||||
}
|
||||
}
|
||||
if candidates != nil {
|
||||
cw, err := settle(ctx, candidates, eachCandidate)
|
||||
if err != nil {
|
||||
process.NotWatched(logger.Printf, delivery.CandidatesBucket, err, "no candidate's fingerprint is built until the builder starts again")
|
||||
} else {
|
||||
go func() { errs <- follow(ctx, cw, eachCandidate) }()
|
||||
}
|
||||
}
|
||||
// A person asks a key's build again with builder_ask_again, which writes the reasks state (issue 1945): watched, as
|
||||
// every other input. The builder asks again by itself without it.
|
||||
if kv := process.OptionalBucket(ctx, js, build.ReAsksBucket, "builder_ask_again is not heard until the builder starts again; an ask that can no longer be answered is still asked again by itself", logger.Printf); kv != nil {
|
||||
eachReAsk := func(e jetstream.KeyValueEntry) { reAsked(ctx, b, kv, e, logger.Printf) }
|
||||
if rw, err := settle(ctx, kv, eachReAsk); err != nil {
|
||||
process.NotWatched(logger.Printf, build.ReAsksBucket, err, "builder_ask_again is not heard until the builder starts again")
|
||||
} else {
|
||||
go func() { errs <- follow(ctx, rw, eachReAsk) }()
|
||||
}
|
||||
}
|
||||
// A person reads a build seat's stream with builder_seat_queue, which writes the queues state (issue 1945 note 62): the
|
||||
// builder alone may read the stream, so it answers there.
|
||||
if kv := process.OptionalBucket(ctx, js, build.QueuesBucket, "builder_seat_queue is not answered until the builder starts again", logger.Printf); kv != nil {
|
||||
eachRead := func(e jetstream.KeyValueEntry) { queueRead(ctx, heldOnTheBus{js}, kv, e, logger.Printf) }
|
||||
if qw, err := settle(ctx, kv, eachRead); err != nil {
|
||||
process.NotWatched(logger.Printf, build.QueuesBucket, err, "builder_seat_queue is not answered until the builder starts again")
|
||||
} else {
|
||||
go func() { errs <- follow(ctx, qw, eachRead) }()
|
||||
}
|
||||
cw, err := settle(ctx, candidates, eachCandidate)
|
||||
if err != nil {
|
||||
return err
|
||||
}
|
||||
logger.Printf("started on %s", cred.Node)
|
||||
errs := make(chan error, 2)
|
||||
go func() { errs <- follow(ctx, w, each) }()
|
||||
go func() { errs <- follow(ctx, cw, eachCandidate) }()
|
||||
select {
|
||||
case <-ctx.Done():
|
||||
b.Wait()
|
||||
return nil
|
||||
case err := <-errs:
|
||||
return err
|
||||
case err := <-assignErrs:
|
||||
return err
|
||||
case err := <-watch.errs:
|
||||
return err
|
||||
}
|
||||
}
|
||||
|
||||
// sourceHeads are the trunk heads of each revision of the gate's source.main the watch delivered, the newest
|
||||
// delivery.SourceHistory of them: what a candidate's base revision names.
|
||||
type sourceHeads struct {
|
||||
mu sync.Mutex
|
||||
byRev map[uint64]map[string]string
|
||||
}
|
||||
|
||||
// put takes one revision in and answers whether it is new.
|
||||
func (s *sourceHeads) put(e jetstream.KeyValueEntry) bool {
|
||||
if !opOf(e) {
|
||||
return false
|
||||
}
|
||||
src, err := delivery.DecodeSource(e.Value())
|
||||
if err != nil {
|
||||
return false
|
||||
}
|
||||
s.mu.Lock()
|
||||
defer s.mu.Unlock()
|
||||
if s.byRev == nil {
|
||||
s.byRev = map[uint64]map[string]string{}
|
||||
}
|
||||
if _, had := s.byRev[e.Revision()]; had {
|
||||
return false
|
||||
}
|
||||
s.byRev[e.Revision()] = src.Heads
|
||||
for len(s.byRev) > delivery.SourceHistory {
|
||||
delete(s.byRev, slices.Min(slices.Collect(maps.Keys(s.byRev))))
|
||||
}
|
||||
return true
|
||||
}
|
||||
|
||||
// head is the head of repository in revision rev; an error when the revision is not heard (yet, or any more).
|
||||
func (s *sourceHeads) head(_ context.Context, rev uint64, repository string) (string, error) {
|
||||
s.mu.Lock()
|
||||
defer s.mu.Unlock()
|
||||
heads, ok := s.byRev[rev]
|
||||
if !ok {
|
||||
return "", fmt.Errorf("source revision %d is not heard (it is built once it is)", rev)
|
||||
}
|
||||
for r, head := range heads {
|
||||
if delivery.SameRepository(r, repository) {
|
||||
return head, nil
|
||||
}
|
||||
}
|
||||
return "", nil
|
||||
}
|
||||
|
||||
@@ -1,78 +0,0 @@
|
||||
package main
|
||||
|
||||
import (
|
||||
"context"
|
||||
"fmt"
|
||||
"sync"
|
||||
|
||||
"github.com/nats-io/nats.go/jetstream"
|
||||
|
||||
"git.novox.be/novox/mesh-sdk/go/delivery"
|
||||
)
|
||||
|
||||
// **A part does not stop for a bucket it can work without** (mesh-sdk process.EssentialBucket, OptionalBucket) (novox/hq issue 1945, met twice on 2026-10-25: the builder of
|
||||
// mesh-delivery #48 exited on a refused read of the gate's source, and its reasks bucket would have done the same). A grant
|
||||
// reaches the bus with a delivery, so a bucket the bus refuses, or times out on, at start is often only not granted yet:
|
||||
// exiting for it stops every build until a person's hand. A bucket the builder cannot build at all without (its builds,
|
||||
// the indexer's modules and manifests) still stops the start, naming the grant to look at; every other is said and left,
|
||||
// and opened again at the next event that needs it where there is one.
|
||||
|
||||
// trunkSource is the gate's source history the candidates' previews are merged onto (sourceHeads), opened at start and,
|
||||
// while it cannot be, again at the next candidate that asks a trunk head: a builder without it builds the trunk's keys,
|
||||
// and a candidate's preview waits, saying why.
|
||||
type trunkSource struct {
|
||||
ctx context.Context
|
||||
js bucketOpener
|
||||
heads *sourceHeads
|
||||
moved func(context.Context)
|
||||
errs chan<- error
|
||||
logf func(string, ...any)
|
||||
|
||||
mu sync.Mutex
|
||||
opened bool
|
||||
}
|
||||
|
||||
// ensure opens and settles the source's watch once, and follows it; an error leaves it closed for the next ask.
|
||||
func (t *trunkSource) ensure() error {
|
||||
t.mu.Lock()
|
||||
defer t.mu.Unlock()
|
||||
if t.opened {
|
||||
return nil
|
||||
}
|
||||
kv, err := t.js.KeyValue(t.ctx, delivery.SourceBucket)
|
||||
if err != nil {
|
||||
return fmt.Errorf("the bucket %s cannot be read (%v)", delivery.SourceBucket, err)
|
||||
}
|
||||
w, err := kv.Watch(t.ctx, delivery.SourceMainKey, jetstream.IncludeHistory())
|
||||
if err != nil {
|
||||
return fmt.Errorf("the bucket %s cannot be watched (%v)", delivery.SourceBucket, err)
|
||||
}
|
||||
sw, err := settled(t.ctx, w, func(e jetstream.KeyValueEntry) { t.heads.put(e) })
|
||||
if err != nil {
|
||||
return fmt.Errorf("the bucket %s: %w", delivery.SourceBucket, err)
|
||||
}
|
||||
t.opened = true
|
||||
go func() {
|
||||
t.errs <- follow(t.ctx, sw, func(e jetstream.KeyValueEntry) {
|
||||
if t.heads.put(e) && t.moved != nil {
|
||||
t.moved(t.ctx)
|
||||
}
|
||||
})
|
||||
}()
|
||||
return nil
|
||||
}
|
||||
|
||||
// start opens the source at start; one that cannot be is said, and the builder goes on.
|
||||
func (t *trunkSource) start() {
|
||||
if err := t.ensure(); err != nil {
|
||||
t.logf("%v: the trunk's keys are built, and a candidate's preview waits until the source can be read, tried again at its next candidate", err)
|
||||
}
|
||||
}
|
||||
|
||||
// head is Builder.Trunk: the head of repository at source revision rev, opening the source first if it is not yet.
|
||||
func (t *trunkSource) head(ctx context.Context, rev uint64, repository string) (string, error) {
|
||||
if err := t.ensure(); err != nil {
|
||||
return "", err
|
||||
}
|
||||
return t.heads.head(ctx, rev, repository)
|
||||
}
|
||||
@@ -1,49 +0,0 @@
|
||||
package main
|
||||
|
||||
import (
|
||||
"context"
|
||||
"encoding/json"
|
||||
"errors"
|
||||
"time"
|
||||
|
||||
"github.com/nats-io/nats.go/jetstream"
|
||||
|
||||
"mesh-delivery-builder/internal/build"
|
||||
)
|
||||
|
||||
// queueReader is the part of the builder a queues value reads through: heldOnTheBus.
|
||||
type queueReader interface {
|
||||
Queue(ctx context.Context, language string, limit int) (build.SeatQueue, error)
|
||||
}
|
||||
|
||||
// queueRead answers one value of the queues state (the tool builder_seat_queue, issue 1945 note 62): a value not yet
|
||||
// answered is read now, from the stream the builder's account may read, and written back by compare-and-set at its
|
||||
// revision with what was read or why it could not be. A value answered already (this builder's own write, or another
|
||||
// instance's) or deleted is left.
|
||||
func queueRead(ctx context.Context, r queueReader, kv jetstream.KeyValue, e jetstream.KeyValueEntry, logf func(string, ...any)) {
|
||||
if e.Operation() != jetstream.KeyValuePut {
|
||||
return
|
||||
}
|
||||
a, err := build.DecodeQueueAsk(e.Value())
|
||||
if err != nil {
|
||||
logf("%s.%s holds what is not a queue read, left: %v", build.QueuesState, e.Key(), err)
|
||||
return
|
||||
}
|
||||
if !a.Answered.IsZero() {
|
||||
return
|
||||
}
|
||||
read, cancel := context.WithTimeout(ctx, 20*time.Second)
|
||||
q, err := r.Queue(read, e.Key(), max(1, min(a.Limit, build.MaxQueueLimit)))
|
||||
cancel()
|
||||
if err != nil {
|
||||
a.Error = err.Error()
|
||||
}
|
||||
a.Queue, a.Answered = &q, time.Now().UTC()
|
||||
data, err := json.Marshal(a)
|
||||
if err != nil {
|
||||
return
|
||||
}
|
||||
if _, err := kv.Update(ctx, e.Key(), data, e.Revision()); err != nil && !errors.Is(err, jetstream.ErrKeyExists) && !errors.Is(err, jetstream.ErrKeyRevisionMismatch) {
|
||||
logf("%s.%s: the read could not be written: %v", build.QueuesState, e.Key(), err)
|
||||
}
|
||||
}
|
||||
@@ -1,75 +0,0 @@
|
||||
package main
|
||||
|
||||
import (
|
||||
"context"
|
||||
"encoding/json"
|
||||
"errors"
|
||||
"fmt"
|
||||
"strings"
|
||||
"time"
|
||||
|
||||
"github.com/nats-io/nats.go"
|
||||
"github.com/nats-io/nats.go/jetstream"
|
||||
|
||||
"mesh-delivery-builder/internal/build"
|
||||
)
|
||||
|
||||
// askAgainer is the part of the builder a reasks value asks through.
|
||||
type askAgainer interface {
|
||||
AskAgain(key, why string) []string
|
||||
}
|
||||
|
||||
// reAsked answers one value of the reasks state (the tool builder_ask_again, issue 1945): a value not yet answered asks the
|
||||
// key's waiting lanes again and is written back, by compare-and-set at its revision, with what the builder did. A value
|
||||
// answered already (this builder's own write) or deleted is left.
|
||||
func reAsked(ctx context.Context, b askAgainer, kv jetstream.KeyValue, e jetstream.KeyValueEntry, logf func(string, ...any)) {
|
||||
if e.Operation() != jetstream.KeyValuePut {
|
||||
return
|
||||
}
|
||||
r, err := build.DecodeReAsk(e.Value())
|
||||
if err != nil {
|
||||
logf("%s.%s holds what is not an ask to ask again, left: %v", build.ReAsksState, e.Key(), err)
|
||||
return
|
||||
}
|
||||
if r.Answer != "" {
|
||||
return
|
||||
}
|
||||
asked := b.AskAgain(e.Key(), r.Why)
|
||||
if len(asked) == 0 {
|
||||
r.Answer = "no ask of this key waits in this builder now (it is not building, or its build has not reached its ask yet): nothing was asked; builder_stuck shows where it stands"
|
||||
} else {
|
||||
r.Answer = "asked again: the " + strings.Join(asked, ", ") + " ask, under a new id the key names"
|
||||
}
|
||||
r.Answered = time.Now().UTC()
|
||||
logf("%s: asked again by %s (%s): %s", e.Key(), r.By, r.Why, r.Answer)
|
||||
data, err := json.Marshal(r)
|
||||
if err != nil {
|
||||
return
|
||||
}
|
||||
if _, err := kv.Update(ctx, e.Key(), data, e.Revision()); err != nil && !errors.Is(err, jetstream.ErrKeyExists) && !errors.Is(err, jetstream.ErrKeyRevisionMismatch) {
|
||||
logf("%s.%s: the answer could not be written: %v", build.ReAsksState, e.Key(), err)
|
||||
}
|
||||
}
|
||||
|
||||
// emitAskedAgain says the builder's event build.asked-again (issue 1945): mesh.mod.<module>.event.build.asked-again,
|
||||
// with the SDK's envelope headers and the new ask's id as the bus's dedup id.
|
||||
func emitAskedAgain(ctx context.Context, js jetstream.JetStream, cred credential, e build.AskedAgain) error {
|
||||
data, err := json.Marshal(e)
|
||||
if err != nil {
|
||||
return err
|
||||
}
|
||||
msg := nats.NewMsg("mesh.mod." + cred.Module + ".event." + build.AskedAgainEvent)
|
||||
id := "asked-again-" + e.New
|
||||
msg.Header.Set("x-event-id", id)
|
||||
msg.Header.Set("x-source", cred.Module)
|
||||
msg.Header.Set("x-node", cred.Node)
|
||||
msg.Header.Set("x-time", time.Now().UTC().Format(time.RFC3339Nano))
|
||||
msg.Header.Set("content-type", "application/json")
|
||||
msg.Data = data
|
||||
pub, cancel := context.WithTimeout(ctx, 10*time.Second)
|
||||
defer cancel()
|
||||
if _, err := js.PublishMsg(pub, msg, jetstream.WithMsgID(id)); err != nil {
|
||||
return fmt.Errorf("saying %s for %s: %w", build.AskedAgainEvent, e.Key, err)
|
||||
}
|
||||
return nil
|
||||
}
|
||||
@@ -1,211 +0,0 @@
|
||||
package main
|
||||
|
||||
// This file is the same in mesh-delivery-indexer, mesh-delivery-builder and mesh-delivery-checker (issue 1940): it moves
|
||||
// to mesh-sdk go/delivery/buildrun once mesh-sdk can be delivered again, since a change of mesh-sdk waits on the very
|
||||
// toolchain agreement this file repairs.
|
||||
|
||||
import (
|
||||
"context"
|
||||
"encoding/json"
|
||||
"fmt"
|
||||
"log"
|
||||
"maps"
|
||||
"slices"
|
||||
"strings"
|
||||
"sync"
|
||||
"time"
|
||||
|
||||
"github.com/nats-io/nats.go/jetstream"
|
||||
|
||||
"git.novox.be/novox/mesh-sdk/go/delivery"
|
||||
"git.novox.be/novox/mesh-sdk/go/provider"
|
||||
)
|
||||
|
||||
// A build module writes <node>.<language> of its toolchains state on every node it runs on, and nothing deletes the key
|
||||
// when the module is unassigned from a node: the controller writes no module's state, and the module is gone. A report of
|
||||
// a node the build module no longer runs on is therefore not a builder (issue 1940: mesh-build-node unassigned from ace
|
||||
// on 2026-10-23 left ace.typescript at v26.12.0, and every Node fingerprint said "builders disagree").
|
||||
//
|
||||
// toolchainGate stands between the toolchains buckets and what takes their entries in (the indexer's PutToolchain, a
|
||||
// buildrun.ToolchainSet): an entry is passed on only while the controller's assignments (mesh-controller_assignments,
|
||||
// key <node>.<module>) hold an open assignment of its build module on its node, and only once it was written since that
|
||||
// assignment; it is passed on as deleted otherwise, said once, and passed on when its node writes it again. A report
|
||||
// written before the assignment is the one an earlier run of the module left (issue 1940, 2026-10-25 20:56: mesh-build-node
|
||||
// assigned to ace again brought ace.typescript v26.12.0 of 2026-10-23 back into the agreement, before the module ran
|
||||
// there, and the controller's take-in refused every module "builders disagree"). Until the assignments are settled (or where they cannot
|
||||
// be read) every entry is passed on, as before. Builders that run and report different versions still disagree: that
|
||||
// refusal is the guard of novox/hq ADR 0465, and it stays.
|
||||
type toolchainGate struct {
|
||||
mu sync.Mutex
|
||||
modules map[string]bool // the build modules whose toolchains pass the gate
|
||||
forward func(module, key string, value []byte, deleted bool) bool // answers whether it changed what it holds
|
||||
logf func(format string, a ...any)
|
||||
known bool // the assignments are settled
|
||||
standing map[string]time.Time // <node>.<module> with an open assignment -> since when it stands
|
||||
raw map[string]map[string][]byte // module -> toolchains key -> value, as the bucket holds it
|
||||
left map[string]string // <module>/<key> -> why it was said left out, so each reason is said once
|
||||
}
|
||||
|
||||
func newToolchainGate(modules []string, forward func(module, key string, value []byte, deleted bool) bool, logf func(string, ...any)) *toolchainGate {
|
||||
g := &toolchainGate{modules: map[string]bool{}, forward: forward, logf: logf, standing: map[string]time.Time{},
|
||||
raw: map[string]map[string][]byte{}, left: map[string]string{}}
|
||||
for _, m := range modules {
|
||||
g.modules[m] = true
|
||||
}
|
||||
return g
|
||||
}
|
||||
|
||||
// Toolchain takes one change of a build module's toolchains bucket in and answers whether what it passed on changed.
|
||||
func (g *toolchainGate) Toolchain(module, key string, value []byte, deleted bool) bool {
|
||||
g.mu.Lock()
|
||||
defer g.mu.Unlock()
|
||||
if g.raw[module] == nil {
|
||||
g.raw[module] = map[string][]byte{}
|
||||
}
|
||||
if deleted {
|
||||
delete(g.raw[module], key)
|
||||
} else {
|
||||
g.raw[module][key] = value
|
||||
}
|
||||
return g.pass(module, key)
|
||||
}
|
||||
|
||||
// Assignment takes one change of the controller's assignments in (at is when the bus wrote that revision) and answers
|
||||
// whether what it passed on changed.
|
||||
func (g *toolchainGate) Assignment(key string, value []byte, deleted bool, at time.Time) bool {
|
||||
node, module, ok := strings.Cut(key, ".")
|
||||
if !ok || !g.modules[module] {
|
||||
return false
|
||||
}
|
||||
assigned, open := openAssignment(value)
|
||||
open = open && !deleted
|
||||
g.mu.Lock()
|
||||
defer g.mu.Unlock()
|
||||
was, stood := g.standing[key]
|
||||
since := assigned
|
||||
if since.IsZero() {
|
||||
// A value with no time of its own (an assignment a module pulled in) stands since the revision that opened it.
|
||||
since = at
|
||||
if stood {
|
||||
since = was
|
||||
}
|
||||
}
|
||||
if open == stood && (!open || since.Equal(was)) {
|
||||
return false
|
||||
}
|
||||
if open {
|
||||
g.standing[key] = since
|
||||
} else {
|
||||
delete(g.standing, key)
|
||||
}
|
||||
if !g.known {
|
||||
return false
|
||||
}
|
||||
changed := false
|
||||
for _, k := range slices.Sorted(maps.Keys(g.raw[module])) {
|
||||
if n, _, err := delivery.ParseToolchainKey(k); err == nil && n == node {
|
||||
changed = g.pass(module, k) || changed
|
||||
}
|
||||
}
|
||||
return changed
|
||||
}
|
||||
|
||||
// Settled says the assignments are read: from now on only the reports of assigned nodes pass. It answers whether what it
|
||||
// passed on changed.
|
||||
func (g *toolchainGate) Settled() bool {
|
||||
g.mu.Lock()
|
||||
defer g.mu.Unlock()
|
||||
g.known = true
|
||||
changed := false
|
||||
for _, module := range slices.Sorted(maps.Keys(g.raw)) {
|
||||
for _, k := range slices.Sorted(maps.Keys(g.raw[module])) {
|
||||
changed = g.pass(module, k) || changed
|
||||
}
|
||||
}
|
||||
return changed
|
||||
}
|
||||
|
||||
// pass hands one key on as it stands: its value when its node is assigned and wrote it since (or the assignments are not
|
||||
// known), deleted otherwise. The caller holds mu.
|
||||
func (g *toolchainGate) pass(module, key string) bool {
|
||||
value, held := g.raw[module][key]
|
||||
if !held {
|
||||
return g.forward(module, key, nil, true)
|
||||
}
|
||||
node, _, err := delivery.ParseToolchainKey(key)
|
||||
why := ""
|
||||
if err == nil && g.known {
|
||||
why = g.leftOut(module, node, value)
|
||||
}
|
||||
if why == "" {
|
||||
delete(g.left, module+"/"+key)
|
||||
return g.forward(module, key, value, false)
|
||||
}
|
||||
if g.left[module+"/"+key] != why {
|
||||
g.left[module+"/"+key] = why
|
||||
g.logf("%s.%s is left out of the agreed toolchain: %s (issue 1940)", delivery.ToolchainsBucket(module), key, why)
|
||||
}
|
||||
return g.forward(module, key, nil, true)
|
||||
}
|
||||
|
||||
// leftOut is why a node's report is no builder's, or empty when it counts: its node has no open assignment of the module,
|
||||
// or the report was written before that assignment. A value that is no toolchain is passed on for its reader to refuse.
|
||||
// The caller holds mu.
|
||||
func (g *toolchainGate) leftOut(module, node string, value []byte) string {
|
||||
since, open := g.standing[node+"."+module]
|
||||
if !open {
|
||||
return fmt.Sprintf("%s has no assignment on %s, so it is no builder", module, node)
|
||||
}
|
||||
tc, err := delivery.DecodeToolchain(value)
|
||||
if err == nil && tc.At.Before(since) {
|
||||
return fmt.Sprintf("it was written at %s, before %s's assignment on %s at %s: it counts once %s writes it again",
|
||||
tc.At.UTC().Format(time.RFC3339), module, node, since.UTC().Format(time.RFC3339), node)
|
||||
}
|
||||
return ""
|
||||
}
|
||||
|
||||
// openAssignment is whether a value of the controller's assignments holds an assignment that stands (one that has not
|
||||
// ended and has no state: a pending one is not on the machine yet; mesh-controller internal/chain Assignment), and when
|
||||
// it was assigned, zero where the value does not say.
|
||||
func openAssignment(value []byte) (time.Time, bool) {
|
||||
var a struct {
|
||||
Assigned time.Time `json:"assigned"`
|
||||
Ended time.Time `json:"ended"`
|
||||
State string `json:"state"`
|
||||
}
|
||||
if json.Unmarshal(value, &a) != nil {
|
||||
return time.Time{}, false
|
||||
}
|
||||
return a.Assigned, a.Ended.IsZero() && a.State == ""
|
||||
}
|
||||
|
||||
// watchAssignments settles the controller's assignments into the gate, says them settled, and follows them; changed is
|
||||
// told whenever what the gate passes on changed. Where the bucket cannot be read (not there, or this module may not read
|
||||
// it) it says so and the gate passes every report on, as before; an error of the watch after that ends on the channel.
|
||||
func watchAssignments(ctx context.Context, js bucketOpener, gate *toolchainGate, changed func(context.Context), logger *log.Logger) (<-chan error, error) {
|
||||
errs := make(chan error, 1)
|
||||
kv, err := js.KeyValue(ctx, provider.AssignmentsBucket)
|
||||
if err != nil {
|
||||
// Not fatal: an indexer, builder or checker that stops for it stops every delivery (a grant comes with a delivery).
|
||||
logger.Printf("the bucket %s cannot be read, so every node's toolchain report counts, an unassigned build node's too (issue 1940): %v", provider.AssignmentsBucket, err)
|
||||
return errs, nil
|
||||
}
|
||||
each := func(e jetstream.KeyValueEntry) { gate.Assignment(e.Key(), e.Value(), !opOf(e), e.Created()) }
|
||||
w, err := settle(ctx, kv, each)
|
||||
if err != nil {
|
||||
// Not fatal either (issue 1945): a watch the bus refuses is the same missing grant as a refused read.
|
||||
logger.Printf("the bucket %s cannot be watched, so every node's toolchain report counts, an unassigned build node's too (issue 1940): %v", provider.AssignmentsBucket, err)
|
||||
return errs, nil
|
||||
}
|
||||
if gate.Settled() {
|
||||
changed(ctx)
|
||||
}
|
||||
go func() {
|
||||
errs <- follow(ctx, w, func(e jetstream.KeyValueEntry) {
|
||||
if gate.Assignment(e.Key(), e.Value(), !opOf(e), e.Created()) {
|
||||
changed(ctx)
|
||||
}
|
||||
})
|
||||
}()
|
||||
return errs, nil
|
||||
}
|
||||
@@ -1,228 +0,0 @@
|
||||
package main
|
||||
|
||||
// The same in mesh-delivery-indexer, mesh-delivery-builder and mesh-delivery-checker, as standing.go is (issue 1940).
|
||||
|
||||
import (
|
||||
"bytes"
|
||||
"context"
|
||||
"errors"
|
||||
"fmt"
|
||||
"log"
|
||||
"strings"
|
||||
"testing"
|
||||
"time"
|
||||
|
||||
"git.novox.be/novox/mesh-sdk/go/process"
|
||||
|
||||
"github.com/nats-io/nats.go/jetstream"
|
||||
|
||||
"git.novox.be/novox/mesh-sdk/go/delivery"
|
||||
"git.novox.be/novox/mesh-sdk/go/delivery/buildrun"
|
||||
)
|
||||
|
||||
func gateReport(t *testing.T, node, version string) (string, []byte) {
|
||||
t.Helper()
|
||||
key, err := delivery.ToolchainKey(node, "typescript")
|
||||
if err != nil {
|
||||
t.Fatal(err)
|
||||
}
|
||||
value, err := delivery.EncodeToolchain(delivery.Toolchain{Language: "typescript", Version: version, Recipe: "f59571cf4be75adf", At: time.Unix(0, 0).UTC()})
|
||||
if err != nil {
|
||||
t.Fatal(err)
|
||||
}
|
||||
return key, value
|
||||
}
|
||||
|
||||
func agreedOf(set *buildrun.ToolchainSet) (string, string) {
|
||||
tc, none := delivery.AgreedToolchain(set.Entries("typescript"))
|
||||
return tc.Version, none
|
||||
}
|
||||
|
||||
// The live case of issue 1940: mesh-build-node was unassigned from ace, whose report stayed at v26.12.0 while the
|
||||
// three nodes it runs on report v26.12.1. Without the assignments every report counts (and they disagree); with them
|
||||
// ace's is left out and the three agree; assigned to ace again, its report counts again and the guard refuses again.
|
||||
func TestAnUnassignedBuildNodesReportIsNoBuilder(t *testing.T) {
|
||||
set := &buildrun.ToolchainSet{}
|
||||
var said []string
|
||||
gate := newToolchainGate([]string{buildrun.GoBuildModule, buildrun.NodeBuildModule}, set.Put, func(f string, a ...any) { said = append(said, f) })
|
||||
for node, version := range map[string]string{"ace": "v26.12.0", "g14": "v26.12.1", "novox": "v26.12.1", "shanks": "v26.12.1"} {
|
||||
key, value := gateReport(t, node, version)
|
||||
gate.Toolchain(buildrun.NodeBuildModule, key, value, false)
|
||||
}
|
||||
if _, none := agreedOf(set); !strings.HasPrefix(none, "builders disagree") {
|
||||
t.Fatalf("before the assignments are read every report counts, so they disagree; got %q", none)
|
||||
}
|
||||
for _, node := range []string{"g14", "novox", "shanks"} {
|
||||
gate.Assignment(node+"."+buildrun.NodeBuildModule, []byte(`{"node":"`+node+`","module":"mesh-build-node"}`), false, time.Time{})
|
||||
}
|
||||
gate.Assignment("ace.mesh-build-node", []byte(`{"node":"ace","module":"mesh-build-node","ended":"2026-10-23T08:00:00Z"}`), false, time.Time{})
|
||||
gate.Assignment("ace.mesh-build-go", []byte(`{"node":"ace","module":"mesh-build-go"}`), false, time.Time{}) // another module's: no matter
|
||||
if !gate.Settled() {
|
||||
t.Fatal("settling the assignments left ace's report out, so what was passed on changed")
|
||||
}
|
||||
if v, none := agreedOf(set); v != "v26.12.1" || none != "" {
|
||||
t.Fatalf("the assigned nodes agree on v26.12.1; got %q, %q", v, none)
|
||||
}
|
||||
if len(said) != 1 {
|
||||
t.Fatalf("ace's report is said left out once; said %v", said)
|
||||
}
|
||||
// ace reports again while unassigned (an old value seen again): still left out.
|
||||
key, value := gateReport(t, "ace", "v26.12.0")
|
||||
if gate.Toolchain(buildrun.NodeBuildModule, key, value, false) {
|
||||
t.Fatal("an unassigned node's report changed what was passed on")
|
||||
}
|
||||
// Assigned to ace again: its report counts, and the builders really disagree: the guard stays.
|
||||
if !gate.Assignment("ace.mesh-build-node", []byte(`{"node":"ace","module":"mesh-build-node"}`), false, time.Time{}) {
|
||||
t.Fatal("assigning ace again passed nothing on")
|
||||
}
|
||||
if _, none := agreedOf(set); !strings.HasPrefix(none, "builders disagree: v26.12.0 recipe f59571cf4be75adf on ace") {
|
||||
t.Fatalf("builders that run different versions still disagree; got %q", none)
|
||||
}
|
||||
// The assignment's key deleted, or a pending one written: no assignment stands, and ace's report goes again.
|
||||
if !gate.Assignment("ace.mesh-build-node", []byte(`{"node":"ace","module":"mesh-build-node","state":"pending"}`), false, time.Time{}) {
|
||||
t.Fatal("a pending assignment is no assignment on the machine")
|
||||
}
|
||||
if v, none := agreedOf(set); v != "v26.12.1" || none != "" {
|
||||
t.Fatalf("got %q, %q", v, none)
|
||||
}
|
||||
gate.Assignment("ace.mesh-build-node", nil, true, time.Time{})
|
||||
if v, _ := agreedOf(set); v != "v26.12.1" {
|
||||
t.Fatalf("got %q", v)
|
||||
}
|
||||
// A report deleted from the bucket goes whether its node is assigned or not.
|
||||
key, _ = gateReport(t, "g14", "v26.12.1")
|
||||
if !gate.Toolchain(buildrun.NodeBuildModule, key, nil, true) {
|
||||
t.Fatal("deleting g14's report passed nothing on")
|
||||
}
|
||||
if n := len(set.Entries("typescript")); n != 2 {
|
||||
t.Fatalf("novox and shanks are left; got %d entries", n)
|
||||
}
|
||||
|
||||
// 1945 (a part exits at start for a bucket it works without): a bus that refuses the assignments' watch, or every
|
||||
// toolchains bucket, leaves the watches unstarted and the part running, said; a refused bucket it cannot work without
|
||||
// is an error naming the bucket and its grant.
|
||||
var logs bytes.Buffer
|
||||
logger := log.New(&logs, "", 0)
|
||||
refused := refusingBus{err: errors.New("nats: permissions violation for publish to $JS.API.CONSUMER.CREATE.KV_mesh-controller_assignments")}
|
||||
if _, err := watchAssignments(context.Background(), refused, newToolchainGate(nil, set.Put, t.Logf), func(context.Context) {}, logger); err != nil {
|
||||
t.Errorf("a refused watch of the assignments stopped the start: %v", err)
|
||||
}
|
||||
if err := newToolchainWatch(context.Background(), refusingBus{refuseOpen: true, err: refused.err}, set, func(context.Context) {}, logger).start(); err != nil {
|
||||
t.Errorf("a refused toolchains bucket stopped the start: %v", err)
|
||||
}
|
||||
if !strings.Contains(logs.String(), "cannot be watched") || !strings.Contains(logs.String(), "cannot be read") {
|
||||
t.Errorf("the refusals were not said: %q", logs.String())
|
||||
}
|
||||
if _, err := process.EssentialBucket(context.Background(), refusingBus{refuseOpen: true, err: refused.err}, "builder", "mesh-delivery-indexer_modules", "work"); err == nil ||
|
||||
!strings.Contains(err.Error(), "grant of mesh-delivery-indexer_modules") {
|
||||
t.Errorf("a refused bucket the part needs: %v, want an error naming its grant", err)
|
||||
}
|
||||
// The gate's source (the previews' trunk heads): refused at start, the builder goes on, and a candidate asking a trunk
|
||||
// head is told why and opens it again then.
|
||||
src := &trunkSource{ctx: context.Background(), js: refusingBus{refuseOpen: true, err: refused.err}, heads: &sourceHeads{}, errs: make(chan error, 1), logf: logger.Printf}
|
||||
src.start()
|
||||
if _, err := src.head(context.Background(), 7, "novox/mesh-catalog"); err == nil || !strings.Contains(err.Error(), delivery.SourceBucket) {
|
||||
t.Errorf("a trunk head with the source refused: %v, want why", err)
|
||||
}
|
||||
if src.opened {
|
||||
t.Error("a refused source counts as opened, so it is never opened again")
|
||||
}
|
||||
}
|
||||
|
||||
// refusingBus is a bus that refuses: every open (refuseOpen), or every watch of a bucket it opens, with err.
|
||||
type refusingBus struct {
|
||||
refuseOpen bool
|
||||
err error
|
||||
}
|
||||
|
||||
func (r refusingBus) KeyValue(context.Context, string) (jetstream.KeyValue, error) {
|
||||
if r.refuseOpen {
|
||||
return nil, r.err
|
||||
}
|
||||
return refusedWatch{err: r.err}, nil
|
||||
}
|
||||
|
||||
type refusedWatch struct {
|
||||
jetstream.KeyValue
|
||||
err error
|
||||
}
|
||||
|
||||
func (r refusedWatch) WatchAll(context.Context, ...jetstream.WatchOpt) (jetstream.KeyWatcher, error) {
|
||||
return nil, r.err
|
||||
}
|
||||
func (r refusedWatch) Watch(context.Context, string, ...jetstream.WatchOpt) (jetstream.KeyWatcher, error) {
|
||||
return nil, r.err
|
||||
}
|
||||
|
||||
// A build node's report counts from the first one it writes since its assignment: a newly assigned node that has not
|
||||
// reported changes nothing, and the report an earlier run left on the bus (issue 1940, 2026-10-25 20:56: ace.typescript
|
||||
// v26.12.0 of 2026-10-23 06:29, mesh-build-node assigned to ace again at 20:56:45) is left out, said once, until the node
|
||||
// writes it again. An assignment whose value names no time stands since the revision that opened it.
|
||||
func TestANewlyAssignedNodeCountsFromItsReport(t *testing.T) {
|
||||
left := time.Date(2026, 10, 23, 6, 29, 18, 0, time.UTC) // ace's report from its earlier run
|
||||
assigned := time.Date(2026, 10, 25, 19, 56, 45, 0, time.UTC) // mesh-build-node assigned to ace again
|
||||
report := func(t *testing.T, node, version string, at time.Time) (string, []byte) {
|
||||
key, _ := gateReport(t, node, version)
|
||||
value, err := delivery.EncodeToolchain(delivery.Toolchain{Language: "typescript", Version: version, Recipe: "f59571cf4be75adf", At: at})
|
||||
if err != nil {
|
||||
t.Fatal(err)
|
||||
}
|
||||
return key, value
|
||||
}
|
||||
for _, c := range []struct {
|
||||
name string
|
||||
assignment string // ace's assignment value
|
||||
revision time.Time // when the bus wrote it
|
||||
at time.Time // when ace wrote its report
|
||||
counts bool
|
||||
}{
|
||||
{"no report yet, then one", `{}`, time.Time{}, time.Now(), true},
|
||||
{"a report left before the assignment", `{"node":"ace","module":"mesh-build-node","assigned":"2026-10-25T19:56:45Z"}`, assigned, left, false},
|
||||
{"a report left before a value with no time", `{"node":"ace","module":"mesh-build-node"}`, assigned, left, false},
|
||||
{"a report written since the assignment", `{"node":"ace","module":"mesh-build-node","assigned":"2026-10-25T19:56:45Z"}`, assigned, assigned.Add(30 * time.Second), true},
|
||||
} {
|
||||
t.Run(c.name, func(t *testing.T) {
|
||||
set := &buildrun.ToolchainSet{}
|
||||
var said []string
|
||||
gate := newToolchainGate([]string{buildrun.NodeBuildModule}, set.Put, func(f string, a ...any) { said = append(said, fmt.Sprintf(f, a...)) })
|
||||
for _, node := range []string{"g14", "novox", "shanks"} {
|
||||
gate.Assignment(node+".mesh-build-node", []byte(`{}`), false, time.Time{})
|
||||
key, value := gateReport(t, node, "v26.12.1")
|
||||
gate.Toolchain(buildrun.NodeBuildModule, key, value, false)
|
||||
}
|
||||
gate.Settled()
|
||||
if gate.Assignment("ace.mesh-build-node", []byte(c.assignment), false, c.revision) {
|
||||
t.Fatal("an assignment with no report passed something on")
|
||||
}
|
||||
key, value := report(t, "ace", "v26.12.0", c.at)
|
||||
if got := gate.Toolchain(buildrun.NodeBuildModule, key, value, false); got != c.counts {
|
||||
t.Fatalf("ace's report passed on: %v, want %v", got, c.counts)
|
||||
}
|
||||
// A rewrite of the assignment that does not move it changes nothing, and nothing is said again.
|
||||
if gate.Assignment("ace.mesh-build-node", []byte(c.assignment), false, c.revision.Add(time.Minute)) {
|
||||
t.Fatal("the same assignment written again changed what was passed on")
|
||||
}
|
||||
v, none := agreedOf(set)
|
||||
if c.counts {
|
||||
if !strings.HasPrefix(none, "builders disagree: v26.12.0 recipe f59571cf4be75adf on ace") {
|
||||
t.Fatalf("ace's own report counts and disagrees; got %q, %q", v, none)
|
||||
}
|
||||
return
|
||||
}
|
||||
if v != "v26.12.1" || none != "" {
|
||||
t.Fatalf("ace's left report is no builder's, so g14, novox and shanks agree; got %q, %q", v, none)
|
||||
}
|
||||
if len(said) != 1 || !strings.Contains(said[0], "before mesh-build-node's assignment on ace at 2026-10-25T19:56:45Z") {
|
||||
t.Fatalf("said %q, want once why ace's report is left out", said)
|
||||
}
|
||||
// ace writes its report again since it was assigned: it counts.
|
||||
key, value = report(t, "ace", "v26.12.1", assigned.Add(time.Minute))
|
||||
if !gate.Toolchain(buildrun.NodeBuildModule, key, value, false) {
|
||||
t.Fatal("ace's new report was not passed on")
|
||||
}
|
||||
if n := len(set.Entries("typescript")); n != 4 {
|
||||
t.Fatalf("four builders report; got %d", n)
|
||||
}
|
||||
})
|
||||
}
|
||||
}
|
||||
@@ -1,61 +0,0 @@
|
||||
package main
|
||||
|
||||
import (
|
||||
"context"
|
||||
"encoding/json"
|
||||
"fmt"
|
||||
"sort"
|
||||
"strings"
|
||||
|
||||
"github.com/nats-io/nats.go/jetstream"
|
||||
|
||||
"git.novox.be/novox/mesh-sdk/go/delivery"
|
||||
|
||||
"mesh-delivery-builder/internal/build"
|
||||
)
|
||||
|
||||
// eventsStream is the stream every module's and role's events are on, where the controller makes the builder's durable
|
||||
// consumer of artifacts-gone (mesh-controller internal/broker EventsStream).
|
||||
const eventsStream = "EVENTS"
|
||||
|
||||
// toolCaller calls a tool or a seat verb as the builder's own account (mesh-sdk process.Conn.Call).
|
||||
type toolCaller func(key string, body any) (json.RawMessage, error)
|
||||
|
||||
// storedVia is build.Builder's Stored: it asks the controller's verb held (mesh-sdk delivery.HeldVerb; novox/hq issue
|
||||
// 1937) and answers the references the store no longer holds. One it could not ask about, with none gone, is an error:
|
||||
// the key is then left done, and the controller's take-in still refuses a gone blob.
|
||||
func storedVia(call toolCaller) func(ctx context.Context, references []string) ([]string, error) {
|
||||
return func(_ context.Context, references []string) ([]string, error) {
|
||||
raw, err := call(delivery.HeldVerb, map[string]any{"references": references})
|
||||
if err != nil {
|
||||
return nil, fmt.Errorf("asking %s: %w", delivery.HeldVerb, err)
|
||||
}
|
||||
a, err := delivery.DecodeHeldAnswer(raw, references)
|
||||
if err != nil {
|
||||
return nil, err
|
||||
}
|
||||
if len(a.Gone) == 0 && len(a.Unknown) > 0 {
|
||||
var why []string
|
||||
for r, w := range a.Unknown {
|
||||
why = append(why, r+": "+w)
|
||||
}
|
||||
sort.Strings(why)
|
||||
return nil, fmt.Errorf("the artifact store could not be asked about %s", strings.Join(why, "; "))
|
||||
}
|
||||
return a.Gone, nil
|
||||
}
|
||||
}
|
||||
|
||||
// heardGone takes one artifacts-gone event in: acknowledged, then handed to the builder, which asks the store and builds
|
||||
// the key again. A body that is not one is said and acknowledged, so it is not handed over again.
|
||||
func heardGone(ctx context.Context, b *build.Builder, m jetstream.Msg, logf func(string, ...any)) {
|
||||
e, err := delivery.DecodeArtifactsGone(m.Data())
|
||||
if ackErr := m.Ack(); ackErr != nil {
|
||||
logf("acknowledging %s: %v", m.Subject(), ackErr)
|
||||
}
|
||||
if err != nil {
|
||||
logf("%s holds what is not %s, left: %v", m.Subject(), delivery.ArtifactsGoneEvent, err)
|
||||
return
|
||||
}
|
||||
b.ArtifactsGone(ctx, e)
|
||||
}
|
||||
@@ -4,13 +4,11 @@ import (
|
||||
"context"
|
||||
"errors"
|
||||
"fmt"
|
||||
"git.novox.be/novox/mesh-sdk/go/delivery/buildrun"
|
||||
"log"
|
||||
"strings"
|
||||
"sync"
|
||||
|
||||
"git.novox.be/novox/mesh-sdk/go/delivery/buildrun"
|
||||
"git.novox.be/novox/mesh-sdk/go/process"
|
||||
|
||||
"github.com/nats-io/nats.go/jetstream"
|
||||
|
||||
"git.novox.be/novox/mesh-sdk/go/delivery"
|
||||
@@ -25,11 +23,9 @@ var toolchainStreams = map[string]string{buildrun.GoBuildModule: "TOOLCHAINS_GO"
|
||||
// §8): it watches the buckets that exist at start, and a build module says each time it wrote its toolchains key
|
||||
// (toolchain.reported, handled by Reported); a bucket not watched yet is then watched.
|
||||
type toolchainWatch struct {
|
||||
ctx context.Context
|
||||
js bucketOpener
|
||||
set *buildrun.ToolchainSet
|
||||
// put takes a change of a toolchains bucket in: set.Put, or the gate of the assigned build nodes before it (issue 1940).
|
||||
put func(module, key string, value []byte, deleted bool) bool
|
||||
ctx context.Context
|
||||
js bucketOpener
|
||||
set *buildrun.ToolchainSet
|
||||
changed func(ctx context.Context) // a language's entries changed: the failed builds are tried again
|
||||
logger *log.Logger
|
||||
errs chan error
|
||||
@@ -38,7 +34,7 @@ type toolchainWatch struct {
|
||||
}
|
||||
|
||||
func newToolchainWatch(ctx context.Context, js bucketOpener, set *buildrun.ToolchainSet, changed func(context.Context), logger *log.Logger) *toolchainWatch {
|
||||
return &toolchainWatch{ctx: ctx, js: js, set: set, put: set.Put, changed: changed, logger: logger, errs: make(chan error, len(buildrun.LanguageOf)), watched: map[string]bool{}}
|
||||
return &toolchainWatch{ctx: ctx, js: js, set: set, changed: changed, logger: logger, errs: make(chan error, len(buildrun.LanguageOf)), watched: map[string]bool{}}
|
||||
}
|
||||
|
||||
// start watches the buckets that exist now; a missing one is said and waits for its build module's event.
|
||||
@@ -64,19 +60,16 @@ func (w *toolchainWatch) ensure(module string) error {
|
||||
w.logger.Printf("the bucket %s does not exist yet: it is watched when %s reports a toolchain", name, module)
|
||||
return nil
|
||||
case err != nil:
|
||||
// Refused or not answered (its grant not on the bus yet, issue 1945): said, and opened again at the module's next report.
|
||||
w.logger.Printf("the bucket %s cannot be read (%v): %s's toolchains are not heard until its next report", name, err, module)
|
||||
return nil
|
||||
return fmt.Errorf("the bucket %s: %w", name, err)
|
||||
}
|
||||
watcher, err := settle(w.ctx, kv, func(e jetstream.KeyValueEntry) { w.put(module, e.Key(), e.Value(), !opOf(e)) })
|
||||
watcher, err := settle(w.ctx, kv, func(e jetstream.KeyValueEntry) { w.set.Put(module, e.Key(), e.Value(), !opOf(e)) })
|
||||
if err != nil {
|
||||
process.NotWatched(w.logger.Printf, name, err, fmt.Sprintf("%s's toolchains are not heard until its next report", module))
|
||||
return nil
|
||||
return err
|
||||
}
|
||||
w.watched[module] = true
|
||||
go func() {
|
||||
w.errs <- follow(w.ctx, watcher, func(e jetstream.KeyValueEntry) {
|
||||
if w.put(module, e.Key(), e.Value(), !opOf(e)) {
|
||||
if w.set.Put(module, e.Key(), e.Value(), !opOf(e)) {
|
||||
w.changed(w.ctx)
|
||||
}
|
||||
})
|
||||
|
||||
@@ -3,7 +3,7 @@ module mesh-delivery-builder
|
||||
go 1.26.0
|
||||
|
||||
require (
|
||||
git.novox.be/novox/mesh-sdk/go v0.1.14-0.20261025211220-e0d1de047585
|
||||
git.novox.be/novox/mesh-sdk/go v0.1.14-0.20261023150321-a2c813a6b468
|
||||
github.com/nats-io/nats-server/v2 v2.11.17
|
||||
github.com/nats-io/nats.go v1.54.0
|
||||
)
|
||||
|
||||
@@ -1,7 +1,5 @@
|
||||
git.novox.be/novox/mesh-sdk/go v0.1.14-0.20261024020722-34f210e5eba1 h1:fzOkrz9CSp3mEjeV7NfZx8yoivI1sD1AOtIPtyyF8RI=
|
||||
git.novox.be/novox/mesh-sdk/go v0.1.14-0.20261024020722-34f210e5eba1/go.mod h1:ouERNpZizzwZ0HLEtAypsY9FR20FyUgUYRni6J7kVCY=
|
||||
git.novox.be/novox/mesh-sdk/go v0.1.14-0.20261025211220-e0d1de047585 h1:7QoFH5qjXRpx5M4uPdYsVJ5qKl2082gq8n0lFxhoNIg=
|
||||
git.novox.be/novox/mesh-sdk/go v0.1.14-0.20261025211220-e0d1de047585/go.mod h1:ouERNpZizzwZ0HLEtAypsY9FR20FyUgUYRni6J7kVCY=
|
||||
git.novox.be/novox/mesh-sdk/go v0.1.14-0.20261023150321-a2c813a6b468 h1:UcMee+IV2ii5E4dRZdQUaSaeh9IedTFYumuQbBiB0k0=
|
||||
git.novox.be/novox/mesh-sdk/go v0.1.14-0.20261023150321-a2c813a6b468/go.mod h1:ouERNpZizzwZ0HLEtAypsY9FR20FyUgUYRni6J7kVCY=
|
||||
github.com/antithesishq/antithesis-sdk-go v0.7.0-default-no-op h1:Z/MZK75wC/NSrkgqeNIa7jexam9uWzhLmFTSCPI/kn0=
|
||||
github.com/antithesishq/antithesis-sdk-go v0.7.0-default-no-op/go.mod h1:FQyySiasQQM8735Ddel3MRojmy4dA1IqCeyJ5jmPMbI=
|
||||
github.com/google/go-tpm v0.9.8 h1:slArAR9Ft+1ybZu0lBwpSmpwhRXaa85hWtMinMyRAWo=
|
||||
|
||||
@@ -1,337 +0,0 @@
|
||||
package build
|
||||
|
||||
import (
|
||||
"context"
|
||||
"errors"
|
||||
"fmt"
|
||||
"regexp"
|
||||
"slices"
|
||||
"strconv"
|
||||
"strings"
|
||||
"time"
|
||||
|
||||
"git.novox.be/novox/mesh-sdk/go/buildstep"
|
||||
"git.novox.be/novox/mesh-sdk/go/delivery"
|
||||
)
|
||||
|
||||
// **An ask that can no longer be answered is asked again** (novox/hq issue 1945). A build seat's stream gives an ask up
|
||||
// once it was delivered as often as its worker may (delivery.AskMaxDeliver), and a message given up on, dropped or
|
||||
// terminated with no step written is answered by no build node: the lane waiting for its step would wait for ever, and on
|
||||
// restart take over the same id and wait again. The builder notices it at the check bound (CheckAfter, the step bound),
|
||||
// a context's bound and no timer of its own: it asks Gone, which reads the bus, and asks such an ask again under a new
|
||||
// id, written into the key, said in its log and as the event build.asked-again, at most Askings times; then the key is
|
||||
// failed with why. A person asks the same by hand with the tool builder_ask_again (AskAgain).
|
||||
|
||||
// DefaultAskings is how many times a build module's part of a build is asked, the first included, when Builder.Askings is 0.
|
||||
const DefaultAskings = 3
|
||||
|
||||
// AskedAgainEvent is the event the builder says when it asked an ask again: mesh.mod.mesh-delivery-builder.event.<this>.
|
||||
const AskedAgainEvent = "build.asked-again"
|
||||
|
||||
// AskedAgain is the body of AskedAgainEvent.
|
||||
type AskedAgain struct {
|
||||
Key string `json:"key"`
|
||||
Module string `json:"module"`
|
||||
FP string `json:"fp"`
|
||||
BuildModule string `json:"build_module"`
|
||||
Language string `json:"language"`
|
||||
Old string `json:"old"`
|
||||
New string `json:"new"`
|
||||
Asking int `json:"asking"`
|
||||
Askings int `json:"askings"`
|
||||
Why string `json:"why"`
|
||||
At time.Time `json:"at"`
|
||||
}
|
||||
|
||||
// AskSeen is what the bus says of an ask whose step has not ended, as the builder may read it: its build seat's stream
|
||||
// (information and messages by sequence) and its build module's steps. The builder may not read the seat workers'
|
||||
// delivery counts or ack floors (granted to the delivery view alone: $JS.API.CONSUMER.INFO.<stream>.<worker>), so a
|
||||
// message given up on is told by what the workers did after it: a build node took an ask asked later, of the same kind or
|
||||
// of one pulled after it (issue 1945 note 62: seven messages SEAT_NODE_BUILD_GO had given up on sat ahead of a Go ask for
|
||||
// five hours, each counted as waiting, so the ask was never asked again).
|
||||
type AskSeen struct {
|
||||
Stream string
|
||||
// Kind is the ask's kind, At when it was asked (its id's time).
|
||||
Kind string
|
||||
At time.Time
|
||||
// Step is whether a build node wrote a step for the ask (running: the step bound of buildrun.Asker judges it).
|
||||
Step bool
|
||||
// OnStream is whether the stream still holds the ask's message; PutAt is when it was put.
|
||||
OnStream bool
|
||||
PutAt time.Time
|
||||
// Ahead are the messages of its subject before it on the stream.
|
||||
Ahead []Queued
|
||||
// Last is the ask asked last that a build node took (wrote a step for) of the ask's kind or of a kind pulled after
|
||||
// it, when one was taken: every message of the kind asked before it was then delivered already, or given up on.
|
||||
Last *Taken
|
||||
}
|
||||
|
||||
// Queued is one message of a build seat's stream: its sequence, its ask's id and kind, when the ask was asked (its id's
|
||||
// time, the put time when the id says none) and put, and the state of the step a build node wrote for it ("" for none).
|
||||
type Queued struct {
|
||||
Seq uint64 `json:"seq"`
|
||||
Ask string `json:"ask"`
|
||||
Kind string `json:"kind"`
|
||||
At time.Time `json:"asked"`
|
||||
PutAt time.Time `json:"put"`
|
||||
Step string `json:"step,omitempty"`
|
||||
}
|
||||
|
||||
// Taken is an ask a build node took: its id, kind and when it was asked, and the step's node and start.
|
||||
type Taken struct {
|
||||
Ask string `json:"ask"`
|
||||
Kind string `json:"kind"`
|
||||
At time.Time `json:"asked"`
|
||||
Node string `json:"node"`
|
||||
Started time.Time `json:"started"`
|
||||
}
|
||||
|
||||
// Proves is whether a taken ask of kind taken shows that a message of kind waiting asked before it is no longer
|
||||
// delivered: a holder pulls the kinds in delivery.AskKinds' order, so taking one of the same kind or of a later one means
|
||||
// its worker had none of waiting's kind left to give.
|
||||
func Proves(taken, waiting string) bool {
|
||||
t, w := slices.Index(delivery.AskKinds, taken), slices.Index(delivery.AskKinds, waiting)
|
||||
return t >= 0 && w >= 0 && t >= w
|
||||
}
|
||||
|
||||
// Waits is whether a message ahead still waits to be delivered: no build node wrote a step for it, and no ask of its
|
||||
// kind asked after it was taken. A message its worker gave up on (delivered its most times) stays on a work queue until
|
||||
// its age, and is not counted.
|
||||
func (s AskSeen) Waits(q Queued) bool {
|
||||
return q.Step == "" && !s.passed(q.At)
|
||||
}
|
||||
|
||||
func (s AskSeen) passed(at time.Time) bool {
|
||||
return s.Last != nil && Proves(s.Last.Kind, s.Kind) && s.Last.At.After(at)
|
||||
}
|
||||
|
||||
// Waiting is how many messages ahead still wait to be delivered (Waits).
|
||||
func (s AskSeen) Waiting() int {
|
||||
n := 0
|
||||
for _, q := range s.Ahead {
|
||||
if s.Waits(q) {
|
||||
n++
|
||||
}
|
||||
}
|
||||
return n
|
||||
}
|
||||
|
||||
// Why is why the ask can no longer be answered, or "" when it can: it has a step, waits behind others of its kind still
|
||||
// deliverable, or no build node took a later ask of its kind (the nodes are busy or paused: a backlog, never a fault,
|
||||
// ADR 0525 §9).
|
||||
func (s AskSeen) Why() string {
|
||||
switch {
|
||||
case s.Step:
|
||||
return ""
|
||||
case !s.OnStream:
|
||||
return fmt.Sprintf("no build node wrote a step for it and %s no longer holds it: it was given up on or dropped", s.Stream)
|
||||
case s.Waiting() > 0 || !s.passed(s.at()):
|
||||
return ""
|
||||
default:
|
||||
behind := ""
|
||||
if n := len(s.Ahead); n > 0 {
|
||||
behind = fmt.Sprintf(" behind %d given up on or taken", n)
|
||||
}
|
||||
return fmt.Sprintf("it waits on %s since %s%s while %s took the %s ask %s asked later at %s: its stream no longer delivers it (given up after its most deliveries)",
|
||||
s.Stream, s.PutAt.UTC().Format(time.RFC3339), behind, s.Last.Node, s.Last.Kind, s.Last.Ask, s.Last.At.UTC().Format(time.RFC3339))
|
||||
}
|
||||
}
|
||||
|
||||
func (s AskSeen) at() time.Time {
|
||||
if s.At.IsZero() {
|
||||
return s.PutAt
|
||||
}
|
||||
return s.At
|
||||
}
|
||||
|
||||
// AskedAt is when an ask id was made (buildstep.NewID: its milliseconds in base 36 before six hex digits), or zero.
|
||||
func AskedAt(id string) time.Time {
|
||||
if len(id) <= 6 {
|
||||
return time.Time{}
|
||||
}
|
||||
ms, err := strconv.ParseInt(id[:len(id)-6], 36, 64)
|
||||
if err != nil || ms <= 0 {
|
||||
return time.Time{}
|
||||
}
|
||||
return time.UnixMilli(ms)
|
||||
}
|
||||
|
||||
// Dropper removes an ask's message from its build seat's stream (Builder.Gone may be one): the old message of an ask asked
|
||||
// again, so a message given up on does not sit ahead of every later ask of its kind until its age (issue 1945 note 62).
|
||||
type Dropper interface {
|
||||
Drop(ctx context.Context, a delivery.StepAsk) error
|
||||
}
|
||||
|
||||
// drop removes the old ask's message when Gone can; a refusal is said and changes nothing else: the new ask is put.
|
||||
func (b *Builder) drop(ctx context.Context, ask delivery.StepAsk, old string) {
|
||||
d, ok := b.Gone.(Dropper)
|
||||
if !ok {
|
||||
return
|
||||
}
|
||||
prior := ask
|
||||
prior.ID = old
|
||||
if err := d.Drop(ctx, prior); err != nil {
|
||||
b.logf("the message of the ask %s asked again as %s stays on its stream: %v", old, ask.ID, err)
|
||||
}
|
||||
}
|
||||
|
||||
func (b *Builder) askings() int {
|
||||
if b.Askings > 0 {
|
||||
return b.Askings
|
||||
}
|
||||
return DefaultAskings
|
||||
}
|
||||
|
||||
var askingWords = regexp.MustCompile(`asked (\S+) again \(asking (\d+)\)`)
|
||||
|
||||
// askingOf is the asking a key's step words name for a build module's ask, 1 when none.
|
||||
func askingOf(step, buildModule string) int {
|
||||
for _, m := range askingWords.FindAllStringSubmatch(step, -1) {
|
||||
if m[1] == buildModule {
|
||||
if n, err := strconv.Atoi(m[2]); err == nil && n > 0 {
|
||||
return n
|
||||
}
|
||||
}
|
||||
}
|
||||
return 1
|
||||
}
|
||||
|
||||
// AskAgain asks the waiting asks of a build key again now, under new ids (the tool builder_ask_again): it answers the
|
||||
// languages whose lane waits, none when no lane of this builder waits on the key.
|
||||
func (b *Builder) AskAgain(key, why string) []string {
|
||||
b.init()
|
||||
b.mu.Lock()
|
||||
defer b.mu.Unlock()
|
||||
var asked []string
|
||||
for language, c := range b.waiting[key] {
|
||||
select {
|
||||
case c <- why:
|
||||
default: // one is already asked
|
||||
}
|
||||
asked = append(asked, language)
|
||||
}
|
||||
return asked
|
||||
}
|
||||
|
||||
// Waiting are the build keys whose lanes wait for a step now, each with its languages.
|
||||
func (b *Builder) Waiting() map[string][]string {
|
||||
b.init()
|
||||
b.mu.Lock()
|
||||
defer b.mu.Unlock()
|
||||
out := map[string][]string{}
|
||||
for key, ls := range b.waiting {
|
||||
for l := range ls {
|
||||
out[key] = append(out[key], l)
|
||||
}
|
||||
}
|
||||
return out
|
||||
}
|
||||
|
||||
func (b *Builder) listen(key, language string) chan string {
|
||||
b.init()
|
||||
c := make(chan string, 1)
|
||||
b.mu.Lock()
|
||||
if b.waiting[key] == nil {
|
||||
b.waiting[key] = map[string]chan string{}
|
||||
}
|
||||
b.waiting[key][language] = c
|
||||
b.mu.Unlock()
|
||||
return c
|
||||
}
|
||||
|
||||
func (b *Builder) unlisten(key, language string, c chan string) {
|
||||
b.mu.Lock()
|
||||
if b.waiting[key][language] == c {
|
||||
delete(b.waiting[key], language)
|
||||
if len(b.waiting[key]) == 0 {
|
||||
delete(b.waiting, key)
|
||||
}
|
||||
}
|
||||
b.mu.Unlock()
|
||||
}
|
||||
|
||||
var (
|
||||
errCheck = errors.New("the check bound passed")
|
||||
errAgain = errors.New("asked again")
|
||||
)
|
||||
|
||||
type byHand struct{ why string }
|
||||
|
||||
func (h byHand) Error() string { return "asked again by hand: " + h.why }
|
||||
|
||||
// answer waits for the step of the lane's ask, and asks it again while it can no longer be answered (Gone) or a person
|
||||
// asked it again (AskAgain); it answers the step and the ask that has it.
|
||||
func (b *Builder) answer(ctx context.Context, l *lane, ask delivery.StepAsk, asked *askNotes, module, fp string) (delivery.Step, delivery.StepAsk, error) {
|
||||
key, _ := delivery.BuilderBuildKey(module, fp)
|
||||
again := b.listen(key, ask.Language)
|
||||
defer b.unlisten(key, ask.Language, again)
|
||||
asking := askingOf(asked.step, l.module)
|
||||
for {
|
||||
step, why, err := b.waitOnce(ctx, ask, again)
|
||||
switch {
|
||||
case errors.Is(err, errCheck):
|
||||
continue
|
||||
case errors.Is(err, errAgain):
|
||||
if asking >= b.askings() {
|
||||
return step, ask, fmt.Errorf("the ask %s could not be answered and was asked %d times, the most it is: %s", ask.ID, asking, why)
|
||||
}
|
||||
asking++
|
||||
old := ask.ID
|
||||
ask.ID, ask.At = buildstep.NewID(), time.Now()
|
||||
if err := asked.note(ctx, ask.Language, ask.ID, fmt.Sprintf("asked %s again (asking %d): %s", l.module, asking, why)); err != nil {
|
||||
return step, ask, fmt.Errorf("the ask of %s asked again could not be written to the key: %w", l.module, err)
|
||||
}
|
||||
if err := b.Asks.Put(ctx, ask); err != nil {
|
||||
return step, ask, err
|
||||
}
|
||||
b.drop(ctx, ask, old)
|
||||
b.logf("%s: the ask %s of %s is asked again as %s (asking %d of %d): %s", key, old, l.module, ask.ID, asking, b.askings(), why)
|
||||
if b.Said != nil {
|
||||
b.Said(AskedAgain{Key: key, Module: module, FP: fp, BuildModule: l.module, Language: ask.Language, Old: old, New: ask.ID,
|
||||
Asking: asking, Askings: b.askings(), Why: why, At: ask.At})
|
||||
}
|
||||
default:
|
||||
return step, ask, err
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
// waitOnce waits for the ask's step until it ends, a person asks it again, or the check bound passes: then it asks Gone
|
||||
// and answers errAgain with why when the ask can no longer be answered, errCheck when it waits on.
|
||||
func (b *Builder) waitOnce(ctx context.Context, ask delivery.StepAsk, again <-chan string) (delivery.Step, string, error) {
|
||||
hand, cancel := context.WithCancelCause(ctx)
|
||||
defer cancel(nil)
|
||||
go func() {
|
||||
select {
|
||||
case why := <-again:
|
||||
cancel(byHand{why})
|
||||
case <-hand.Done():
|
||||
}
|
||||
}()
|
||||
wait := hand
|
||||
if b.Gone != nil && b.CheckAfter > 0 {
|
||||
var stop context.CancelFunc
|
||||
wait, stop = context.WithTimeoutCause(hand, b.CheckAfter, errCheck)
|
||||
defer stop()
|
||||
}
|
||||
step, err := b.Asks.Wait(wait, ask)
|
||||
if err == nil || ctx.Err() != nil {
|
||||
return step, "", err
|
||||
}
|
||||
var h byHand
|
||||
if errors.As(context.Cause(hand), &h) {
|
||||
return step, strings.TrimSpace("asked again by hand: " + h.why), errAgain
|
||||
}
|
||||
if errors.Is(context.Cause(wait), errCheck) {
|
||||
why, gerr := b.Gone.Gone(ctx, ask)
|
||||
if gerr != nil {
|
||||
b.logf("whether the ask %s can still be answered cannot be read, so it is waited for: %v", ask.ID, gerr)
|
||||
return step, "", errCheck
|
||||
}
|
||||
if why == "" {
|
||||
return step, "", errCheck
|
||||
}
|
||||
return step, why, errAgain
|
||||
}
|
||||
return step, "", err
|
||||
}
|
||||
@@ -73,17 +73,9 @@ func (b *Builder) considerCandidate(ctx context.Context, c delivery.Candidate) {
|
||||
// The named paths' objects the preview gave it: the fetch names the paths (runLane, ADR 0499 clause 4).
|
||||
m.Inputs2 = &delivery.KeptInputs2{Paths: cm.Paths}
|
||||
}
|
||||
// The preview is merged onto the trunk head the candidate was previewed onto: the head of the pull request's
|
||||
// repository in the gate's source revision c.Base (ADR 0484 §3). Never the module's value's commit: that is the
|
||||
// commit its fingerprint first appeared at, and may be many merges behind the trunk.
|
||||
base, err := b.trunkHead(ctx, c.Base, p.Repository)
|
||||
if err != nil {
|
||||
b.logf("candidates.%s: the module %s's fingerprint %s is not built: %v", c.Group, name, cm.FP2, err)
|
||||
continue
|
||||
}
|
||||
b.mu.Lock()
|
||||
if _, onTrunk := b.trunkFP[key]; !onTrunk {
|
||||
b.via[key] = via{Ref: fmt.Sprintf("refs/pull/%d/head", p.Number), Base: base}
|
||||
b.via[key] = via{Ref: fmt.Sprintf("refs/pull/%d/head", p.Number), Base: trunk.Commit}
|
||||
}
|
||||
b.mu.Unlock()
|
||||
b.consider(ctx, name, m)
|
||||
@@ -114,18 +106,3 @@ func (b *Builder) agreedFor(ctx context.Context, manifest string) map[string]del
|
||||
}
|
||||
return out
|
||||
}
|
||||
|
||||
// trunkHead is the head of repository in the gate's source revision rev (Builder.Trunk), or why it cannot be said.
|
||||
func (b *Builder) trunkHead(ctx context.Context, rev uint64, repository string) (string, error) {
|
||||
if b.Trunk == nil {
|
||||
return "", fmt.Errorf("the gate's source cannot be read here, so the trunk head %s was previewed onto is not known", repository)
|
||||
}
|
||||
head, err := b.Trunk(ctx, rev, repository)
|
||||
if err != nil {
|
||||
return "", fmt.Errorf("the trunk head of %s at source revision %d cannot be read: %w", repository, rev, err)
|
||||
}
|
||||
if head == "" {
|
||||
return "", fmt.Errorf("source revision %d names no trunk head of %s", rev, repository)
|
||||
}
|
||||
return head, nil
|
||||
}
|
||||
|
||||
@@ -2,13 +2,9 @@ package build
|
||||
|
||||
import (
|
||||
"context"
|
||||
"encoding/json"
|
||||
"fmt"
|
||||
"os"
|
||||
"strings"
|
||||
"testing"
|
||||
|
||||
"git.novox.be/novox/mesh-sdk/go/catalogue"
|
||||
"git.novox.be/novox/mesh-sdk/go/delivery"
|
||||
)
|
||||
|
||||
@@ -44,74 +40,11 @@ func candidateValue(t *testing.T, group string, number int, head string) []byte
|
||||
}
|
||||
|
||||
const (
|
||||
// trunkHead is the trunk head the rig's source revision names: newer than the module value's commit, which stays at the
|
||||
// commit its fingerprint first appeared at.
|
||||
trunkHead = "3333333333333333333333333333333333333333"
|
||||
headX = "1111111111111111111111111111111111111111"
|
||||
headY = "2222222222222222222222222222222222222222"
|
||||
headX = "1111111111111111111111111111111111111111"
|
||||
headY = "2222222222222222222222222222222222222222"
|
||||
)
|
||||
|
||||
// indexerCandidate is a candidate as the indexer writes it, with the gate's source revision it names (mesh-delivery-indexer
|
||||
// internal/index testdata/candidate-written.json, kept equal to what the indexer writes by its own test).
|
||||
func indexerCandidate(t *testing.T) (rev uint64, heads map[string]string, c delivery.Candidate, raw []byte) {
|
||||
t.Helper()
|
||||
data, err := os.ReadFile("../../../mesh-delivery-indexer/internal/index/testdata/candidate-written.json")
|
||||
if err != nil {
|
||||
t.Fatal(err)
|
||||
}
|
||||
var w struct {
|
||||
Source struct {
|
||||
Rev uint64 `json:"rev"`
|
||||
Heads map[string]string `json:"heads"`
|
||||
} `json:"source"`
|
||||
Candidate json.RawMessage `json:"candidate"`
|
||||
}
|
||||
if err := json.Unmarshal(data, &w); err != nil {
|
||||
t.Fatal(err)
|
||||
}
|
||||
if c, err = delivery.DecodeCandidate(w.Candidate); err != nil {
|
||||
t.Fatal(err)
|
||||
}
|
||||
return w.Source.Rev, w.Source.Heads, c, w.Candidate
|
||||
}
|
||||
|
||||
func TestACandidatesFingerprintIsBuiltOnceAsAKeyOfItsOwnFromTheHeadMergedOntoTheTrunk(t *testing.T) { // N7/AC1, N7/AC2 (issue 1684)
|
||||
// The candidate the indexer writes is merged onto the trunk head of the source revision it names, never onto the module
|
||||
// value's commit, which stays at the commit its fingerprint first appeared at (review of the indexer writing on change).
|
||||
{
|
||||
rev, heads, c, raw := indexerCandidate(t)
|
||||
p := c.Pulls[0]
|
||||
cm := p.Fps["avahi"]
|
||||
ir := newRig(t, goBundle)
|
||||
ir.mf.byDigest[cm.Manifest] = catalogue.Manifest{Module: "avahi", Build: &catalogue.Build{Artifacts: []catalogue.Artifact{goBundle}}}
|
||||
ir.b.Trunk = func(_ context.Context, at uint64, repository string) (string, error) {
|
||||
if at != rev {
|
||||
return "", fmt.Errorf("source revision %d is not heard", at)
|
||||
}
|
||||
return heads[repository], nil
|
||||
}
|
||||
const valueCommit = "7a74cee83f88e6585a5511c3cc53bdf0f5303d20"
|
||||
value, err := delivery.EncodeModule(delivery.Module{Repository: p.Repository, Commit: valueCommit, FP2: "src2:" + hex64('e'),
|
||||
Manifest: cm.Manifest, Path: "modules/avahi", Toolchains: agreedToolchains})
|
||||
if err != nil {
|
||||
t.Fatal(err)
|
||||
}
|
||||
ir.b.Module(context.Background(), "avahi", value)
|
||||
ir.b.Wait()
|
||||
ir.bm.mu.Lock()
|
||||
ir.bm.calls = nil
|
||||
ir.bm.mu.Unlock()
|
||||
ir.b.Candidate(context.Background(), "feat%2Fx", raw)
|
||||
ir.b.Wait()
|
||||
fetches := ir.bm.callsOf("build_go_fetch")
|
||||
if len(fetches) != 1 {
|
||||
t.Fatalf("%d fetches of the indexer's candidate, want one", len(fetches))
|
||||
}
|
||||
f := fetches[0].body.(map[string]any)
|
||||
if want := heads[p.Repository]; want == "" || f["base"] != want || f["base"] == valueCommit || f["commit"] != p.Head.Head {
|
||||
t.Errorf("fetch args = %+v, want the head merged onto the trunk head %.8s of source revision %d", f, want, rev)
|
||||
}
|
||||
}
|
||||
r := newRig(t, goBundle)
|
||||
trunkModule(t, r)
|
||||
r.b.Candidate(context.Background(), "feat%2Fx", candidateValue(t, "feat/x", 7, headX))
|
||||
@@ -125,8 +58,8 @@ func TestACandidatesFingerprintIsBuiltOnceAsAKeyOfItsOwnFromTheHeadMergedOntoThe
|
||||
t.Fatalf("%d fetches, want one", len(fetches))
|
||||
}
|
||||
f := fetches[0].body.(map[string]any)
|
||||
if f["commit"] != headX || f["ref"] != "refs/pull/7/head" || f["base"] != trunkHead || f["repository"] != "novox/mesh-catalog" {
|
||||
t.Errorf("fetch args = %+v, want the head, its ref and the trunk head the candidate was previewed onto", f)
|
||||
if f["commit"] != headX || f["ref"] != "refs/pull/7/head" || f["base"] != "7a74cee83f88e6585a5511c3cc53bdf0f5303d20" || f["repository"] != "novox/mesh-catalog" {
|
||||
t.Errorf("fetch args = %+v, want the head, its ref and the trunk commit to merge onto", f)
|
||||
}
|
||||
if b := r.bm.callsOf("build_go_build")[0].body.(map[string]any); b["module"] != "modules/m" {
|
||||
t.Errorf("build args = %+v", b)
|
||||
|
||||
@@ -4,7 +4,6 @@ import (
|
||||
"context"
|
||||
"errors"
|
||||
"fmt"
|
||||
"slices"
|
||||
"sort"
|
||||
"strings"
|
||||
|
||||
@@ -38,11 +37,6 @@ type Claim struct {
|
||||
Key string
|
||||
Rev uint64
|
||||
Build delivery.BuilderBuild
|
||||
// Gone are the references of a done key the artifact store no longer holds, for which it was claimed again
|
||||
// (ClaimOptions.Stored; issue 1937): said in the log and the key's step.
|
||||
Gone []string
|
||||
// Unasked is why the store could not be asked about a done key taken as it stands to publish: said in the log.
|
||||
Unasked error
|
||||
}
|
||||
|
||||
// ClaimOptions say what the builder knows about the moment of a claim.
|
||||
@@ -61,30 +55,6 @@ type ClaimOptions struct {
|
||||
// a package's reference. A key queued waiting for a version (BuilderBuild.Waits) is taken only once it is (ADR 0500
|
||||
// clause 6). Nil means none is.
|
||||
Published func(ref string) bool
|
||||
// Stored answers which of the references given the artifact store no longer holds (the controller's verb held,
|
||||
// mesh-sdk delivery.HeldVerb; novox/hq issue 1937). A done key of the trunk's fingerprint is asked before it is left
|
||||
// done: the store's nightly collector deletes a blob nothing holds, and a key the controller never took in holds
|
||||
// nothing, so a key whose blob is gone is claimed building as a new revision and built again. Nil asks nothing.
|
||||
Stored func(ctx context.Context, references []string) (gone []string, err error)
|
||||
}
|
||||
|
||||
// StoredReferences are the references of a done build's bundles and archives that name a blob in the artifact store
|
||||
// (`artifact-store://<module>/<artifact>/blobs/<digest>`): what the store's collector can delete. An image or an upstream
|
||||
// copy is a manifest, which the collector keeps, and a package lives in the package registry.
|
||||
func StoredReferences(b delivery.BuilderBuild) []string {
|
||||
var out []string
|
||||
for _, a := range b.Artifacts {
|
||||
if strings.HasPrefix(a.Reference, "artifact-store://") && strings.Contains(a.Reference, "/blobs/") &&
|
||||
!slices.Contains(out, a.Reference) {
|
||||
out = append(out, a.Reference)
|
||||
}
|
||||
}
|
||||
return out
|
||||
}
|
||||
|
||||
// GoneStep is the step a key claimed again for gone blobs says (issue 1937).
|
||||
func GoneStep(gone []string) string {
|
||||
return "claimed again: the artifact store no longer holds " + strings.Join(gone, ", ")
|
||||
}
|
||||
|
||||
// Unpublished is whether a done build holds an image built without a push or a package built without a publish: it has
|
||||
@@ -148,8 +118,6 @@ func Unreferenced(b delivery.BuilderBuild) bool {
|
||||
// names it (ClaimOptions.Trunk): that is taken as it stands, with the done value, and its builder writes the new
|
||||
// revision when the publishing build ends (ADR 0498 clause 6). From R4e one node builds each fingerprint (ADR 0478
|
||||
// clause 4), so a key built on one node is never built again for a second;
|
||||
// - a done key of the trunk's fingerprint whose bundle or archive blob the artifact store no longer holds
|
||||
// (ClaimOptions.Stored, issue 1937) is claimed building as a new revision and built whole, its step saying which;
|
||||
// - a failed key is taken again as a new revision of the same key (ADR 0429 clause 18), except one failed for a kind no
|
||||
// builder builds, for an upstream pinned by no digest or a package version taken (delivery.FailedUntilChanged: ADR 0478
|
||||
// clause 2, ADR 0498 clauses 4 and 5) or for digests that differ (buildrun.DigestsDifferPrefix, clause 4),
|
||||
@@ -181,28 +149,6 @@ func (c Claimer) Claim(ctx context.Context, module, fingerprint, manifest string
|
||||
if Unreferenced(cur) {
|
||||
return c.write(ctx, key, building, func(data []byte) (uint64, error) { return c.Store.Update(ctx, key, data, rev) })
|
||||
}
|
||||
if opt.Trunk && opt.Stored != nil {
|
||||
if refs := StoredReferences(cur); len(refs) > 0 {
|
||||
gone, err := opt.Stored(ctx, refs)
|
||||
if err != nil {
|
||||
err = fmt.Errorf("%s: whether the artifact store still holds %s cannot be asked, so the key is "+
|
||||
"left done (the controller's take-in refuses it if one is gone): %w", key, strings.Join(refs, ", "), err)
|
||||
if len(publishable(cur, opt.ImageBuilder)) > 0 {
|
||||
return &Claim{Key: key, Rev: rev, Build: cur, Unasked: err}, nil
|
||||
}
|
||||
return nil, err
|
||||
}
|
||||
if len(gone) > 0 {
|
||||
again := building
|
||||
again.Step = GoneStep(gone)
|
||||
cl, err := c.write(ctx, key, again, func(data []byte) (uint64, error) { return c.Store.Update(ctx, key, data, rev) })
|
||||
if cl != nil {
|
||||
cl.Gone = gone
|
||||
}
|
||||
return cl, err
|
||||
}
|
||||
}
|
||||
}
|
||||
if opt.Trunk && len(publishable(cur, opt.ImageBuilder)) > 0 {
|
||||
return &Claim{Key: key, Rev: rev, Build: cur}, nil
|
||||
}
|
||||
|
||||
@@ -1,204 +0,0 @@
|
||||
package build
|
||||
|
||||
import (
|
||||
"context"
|
||||
"errors"
|
||||
"fmt"
|
||||
"slices"
|
||||
"strings"
|
||||
"sync"
|
||||
"testing"
|
||||
|
||||
"git.novox.be/novox/mesh-sdk/go/delivery"
|
||||
)
|
||||
|
||||
// A done key whose blob the artifact store no longer holds is built again (novox/hq issue 1937): on 2026-10-24 the
|
||||
// store's 03:30 collection deleted the bare blobs of node-tools', mesh-host's and the forge bridge's done keys, which the
|
||||
// controller had never taken in, and the builder kept them done.
|
||||
|
||||
// fakeHeld answers the controller's verb held: the references in gone are gone.
|
||||
type fakeHeld struct {
|
||||
mu sync.Mutex
|
||||
gone map[string]bool
|
||||
err error
|
||||
asked [][]string
|
||||
}
|
||||
|
||||
func (f *fakeHeld) stored(_ context.Context, refs []string) ([]string, error) {
|
||||
f.mu.Lock()
|
||||
defer f.mu.Unlock()
|
||||
f.asked = append(f.asked, slices.Clone(refs))
|
||||
if f.err != nil {
|
||||
return nil, f.err
|
||||
}
|
||||
var out []string
|
||||
for _, r := range refs {
|
||||
if f.gone[r] {
|
||||
out = append(out, r)
|
||||
}
|
||||
}
|
||||
return out, nil
|
||||
}
|
||||
|
||||
func (f *fakeHeld) asks() int {
|
||||
f.mu.Lock()
|
||||
defer f.mu.Unlock()
|
||||
return len(f.asked)
|
||||
}
|
||||
|
||||
// logged keeps what the builder says.
|
||||
type logged struct {
|
||||
mu sync.Mutex
|
||||
lines []string
|
||||
}
|
||||
|
||||
func (l *logged) logf(format string, args ...any) {
|
||||
l.mu.Lock()
|
||||
defer l.mu.Unlock()
|
||||
l.lines = append(l.lines, fmt.Sprintf(format, args...))
|
||||
}
|
||||
|
||||
func (l *logged) has(words ...string) bool {
|
||||
l.mu.Lock()
|
||||
defer l.mu.Unlock()
|
||||
for _, line := range l.lines {
|
||||
all := true
|
||||
for _, w := range words {
|
||||
all = all && strings.Contains(line, w)
|
||||
}
|
||||
if all {
|
||||
return true
|
||||
}
|
||||
}
|
||||
return false
|
||||
}
|
||||
|
||||
const goneRef = "artifact-store://m/tool/blobs/" + digest
|
||||
|
||||
func doneKeyNaming(ref string) delivery.BuilderBuild {
|
||||
return delivery.BuilderBuild{State: delivery.BuildDone, By: "shanks.builder", Manifest: manifestD, Step: "built mesh-build-go on shanks",
|
||||
Artifacts: []delivery.BuiltArtifact{{Name: "tool", Kind: "bundle", Digest: digest, Reference: ref}}}
|
||||
}
|
||||
|
||||
// 1937/AC3 (unit, the claim): a done key of the trunk's fingerprint whose blob is gone is claimed building as a new
|
||||
// revision, its step naming the gone reference; a candidate's done key is not asked about.
|
||||
func TestADoneTrunkKeyWhoseBlobIsGoneIsClaimedAgain(t *testing.T) {
|
||||
st := newMem()
|
||||
c := Claimer{Store: st, By: "novox.builder"}
|
||||
key, _ := delivery.BuilderBuildKey("m", fp1)
|
||||
rev := putBuild(t, st, key, doneKeyNaming(goneRef))
|
||||
held := &fakeHeld{gone: map[string]bool{goneRef: true}}
|
||||
|
||||
cl, err := c.Claim(t.Context(), "m", fp1, manifestD, ClaimOptions{Stored: held.stored})
|
||||
if err != nil || cl != nil || held.asks() != 0 {
|
||||
t.Fatalf("a candidate's done key: claim %+v, %v, %d asks; want nothing and no ask", cl, err, held.asks())
|
||||
}
|
||||
cl, err = c.Claim(t.Context(), "m", fp1, manifestD, ClaimOptions{Trunk: true, Stored: held.stored})
|
||||
if err != nil || cl == nil {
|
||||
t.Fatalf("claim = %+v, %v; want the key claimed again", cl, err)
|
||||
}
|
||||
if cl.Rev <= rev || cl.Build.State != delivery.BuildBuilding || !slices.Equal(cl.Gone, []string{goneRef}) {
|
||||
t.Errorf("claim = %+v (revision was %d); want building as a new revision naming the gone reference", cl, rev)
|
||||
}
|
||||
v := valueOf(t, st, key)
|
||||
if v.State != delivery.BuildBuilding || !strings.Contains(v.Step, "no longer holds") || !strings.Contains(v.Step, goneRef) {
|
||||
t.Errorf("the key holds %+v; want building, its step naming the gone reference", v)
|
||||
}
|
||||
}
|
||||
|
||||
// 1937/AC5 (unit, the claim): a done trunk key whose blobs are all held stays done; a store that cannot be asked leaves
|
||||
// it done and says why; images and packages are not asked about.
|
||||
func TestADoneTrunkKeyStaysDoneWhileTheStoreHoldsItsBlobs(t *testing.T) {
|
||||
st := newMem()
|
||||
c := Claimer{Store: st, By: "novox.builder"}
|
||||
key, _ := delivery.BuilderBuildKey("m", fp1)
|
||||
b := doneKeyNaming(goneRef)
|
||||
b.Artifacts = append(b.Artifacts, delivery.BuiltArtifact{Name: "img", Kind: "image", Digest: digest, Reference: "registry.example/m/img@" + digest})
|
||||
rev := putBuild(t, st, key, b)
|
||||
held := &fakeHeld{gone: map[string]bool{}}
|
||||
if cl, err := c.Claim(t.Context(), "m", fp1, manifestD, ClaimOptions{Trunk: true, Stored: held.stored}); err != nil || cl != nil {
|
||||
t.Fatalf("claim = %+v, %v; want nothing: the store holds the blob", cl, err)
|
||||
}
|
||||
if len(held.asked) != 1 || !slices.Equal(held.asked[0], []string{goneRef}) {
|
||||
t.Errorf("asked %v; want the bundle's reference alone", held.asked)
|
||||
}
|
||||
held.err = errors.New("the controller did not answer")
|
||||
cl, err := c.Claim(t.Context(), "m", fp1, manifestD, ClaimOptions{Trunk: true, Stored: held.stored})
|
||||
if cl != nil || err == nil || !strings.Contains(err.Error(), "cannot be asked") || !strings.Contains(err.Error(), "left done") {
|
||||
t.Errorf("claim = %+v, %v; want the key left done and said", cl, err)
|
||||
}
|
||||
if st.revs[key] != rev {
|
||||
t.Errorf("the key moved to revision %d (was %d)", st.revs[key], rev)
|
||||
}
|
||||
}
|
||||
|
||||
// 1937/AC3 (unit, the builder): the builder's look at a module whose done key's blob is gone builds it again, says so
|
||||
// in a log line and in the done key's step, and asks the store once per process while it answers held.
|
||||
func TestTheBuilderBuildsAgainADoneKeyWhoseBlobIsGone(t *testing.T) {
|
||||
r := newRig(t, goBundle)
|
||||
log := &logged{}
|
||||
r.b.Logf = log.logf
|
||||
held := &fakeHeld{gone: map[string]bool{goneRef: true}}
|
||||
r.b.Stored = held.stored
|
||||
rev := putBuild(t, r.st, r.key, doneKeyNaming(goneRef))
|
||||
v := r.consider(t, "modules/m")
|
||||
if v.State != delivery.BuildDone || r.st.revs[r.key] <= rev || len(r.bm.callsOf("build_go_build")) == 0 {
|
||||
t.Fatalf("build = %+v at revision %d (was %d); want built again", v, r.st.revs[r.key], rev)
|
||||
}
|
||||
if !strings.Contains(v.Step, "built again: the artifact store no longer held "+goneRef) {
|
||||
t.Errorf("the done key's step %q does not say it was built again for the gone blob", v.Step)
|
||||
}
|
||||
if !log.has(r.key, "built again", goneRef) {
|
||||
t.Errorf("no log line says the key was built again: %v", log.lines)
|
||||
}
|
||||
// The new revision's blob is held: asked once, then not again in this process.
|
||||
held.mu.Lock()
|
||||
held.gone = map[string]bool{}
|
||||
held.mu.Unlock()
|
||||
rev = r.st.revs[r.key]
|
||||
asks := held.asks()
|
||||
r.consider(t, "modules/m")
|
||||
r.consider(t, "modules/m")
|
||||
if r.st.revs[r.key] != rev {
|
||||
t.Errorf("a key whose blob is held was built again")
|
||||
}
|
||||
if held.asks() != asks+1 {
|
||||
t.Errorf("asked the store %d times for two looks at a held key; want once", held.asks()-asks)
|
||||
}
|
||||
}
|
||||
|
||||
// 1937/AC4 (unit, the builder): artifacts-gone for the module's fingerprint makes the builder ask again, even for a key
|
||||
// it found held before, and build it again; one for another fingerprint builds nothing.
|
||||
func TestArtifactsGoneMakesTheBuilderAskAndBuildAgain(t *testing.T) {
|
||||
r := newRig(t, goBundle)
|
||||
log := &logged{}
|
||||
r.b.Logf = log.logf
|
||||
held := &fakeHeld{gone: map[string]bool{}}
|
||||
r.b.Stored = held.stored
|
||||
putBuild(t, r.st, r.key, doneKeyNaming(goneRef))
|
||||
if v := r.consider(t, "modules/m"); v.State != delivery.BuildDone || len(r.bm.callsOf("build_go_build")) != 0 {
|
||||
t.Fatalf("a key whose blob is held was built: %+v", v)
|
||||
}
|
||||
rev := r.st.revs[r.key]
|
||||
|
||||
held.mu.Lock()
|
||||
held.gone[goneRef] = true // collected after the builder's look; the controller's take-in found it
|
||||
held.mu.Unlock()
|
||||
r.b.ArtifactsGone(context.Background(), delivery.ArtifactsGone{Event: delivery.ArtifactsGoneEvent, Module: "m",
|
||||
Fingerprint: "src2:" + strings.Repeat("9", 64), Gone: []string{goneRef}})
|
||||
r.b.Wait()
|
||||
if r.st.revs[r.key] != rev || !log.has("a fingerprint the module does not have now") {
|
||||
t.Fatalf("an event for another fingerprint moved the key (revision %d, was %d): %v", r.st.revs[r.key], rev, log.lines)
|
||||
}
|
||||
|
||||
r.b.ArtifactsGone(context.Background(), delivery.ArtifactsGone{Event: delivery.ArtifactsGoneEvent, Module: "m",
|
||||
Key: r.key, Fingerprint: fp1, Gone: []string{goneRef}})
|
||||
r.b.Wait()
|
||||
v := valueOf(t, r.st, r.key)
|
||||
if v.State != delivery.BuildDone || r.st.revs[r.key] <= rev || len(r.bm.callsOf("build_go_build")) == 0 {
|
||||
t.Fatalf("build = %+v at revision %d (was %d); want built again on the event", v, r.st.revs[r.key], rev)
|
||||
}
|
||||
if !log.has("heard artifacts-gone") || !log.has(r.key, "built again", goneRef) {
|
||||
t.Errorf("the builder did not say what it heard and did: %v", log.lines)
|
||||
}
|
||||
}
|
||||
@@ -1,115 +0,0 @@
|
||||
package build
|
||||
|
||||
import (
|
||||
"encoding/json"
|
||||
"fmt"
|
||||
"strings"
|
||||
"time"
|
||||
|
||||
"git.novox.be/novox/mesh-sdk/go/delivery"
|
||||
)
|
||||
|
||||
// **The tool builder_seat_queue reads a build seat's stream as the builder reads it** (novox/hq issue 1945 note 62; the
|
||||
// instruction "tools are how a module is spoken to"): the messages waiting on SEAT_NODE_BUILD_<LANGUAGE>, bounded, each
|
||||
// with its ask, its age, the state of the step a build node wrote for it, and whether the builder counts it as still
|
||||
// waiting (AskSeen.Waits) or as given up on. Only the builder's own account may read the stream (issue 1910): the tools
|
||||
// bundle writes the read into the builder's state queues, keyed by the language, which the builder watches and answers
|
||||
// there, as builder_ask_again does through reasks.
|
||||
const (
|
||||
SeatQueueTool = "builder_seat_queue"
|
||||
// QueuesState is the builder's state of queue reads: the bucket mesh-delivery-builder_queues, keyed by the language.
|
||||
QueuesState = "queues"
|
||||
QueuesBucket = delivery.BuilderModule + "_" + QueuesState
|
||||
// DefaultQueueLimit and MaxQueueLimit bound the messages read of each kind.
|
||||
DefaultQueueLimit = 50
|
||||
MaxQueueLimit = 500
|
||||
)
|
||||
|
||||
// QueueNote says what the read cannot show.
|
||||
const QueueNote = "the builder may not read the seat workers' delivery counts or ack floors ($JS.API.CONSUMER.INFO.<stream>.<worker> is " +
|
||||
"granted to the delivery view alone): a message counts as given up on when no node wrote its step and a node took an ask of its kind " +
|
||||
"asked after it; nats.nats_streams shows the workers' pending and waiting pulls"
|
||||
|
||||
// QueueAsk is a value of the queues state: a read asked (limit, who, when) and, once the builder read the stream, its answer.
|
||||
type QueueAsk struct {
|
||||
V int `json:"v"`
|
||||
Limit int `json:"limit"`
|
||||
By string `json:"by,omitempty"`
|
||||
At time.Time `json:"at"`
|
||||
Answered time.Time `json:"answered,omitzero"`
|
||||
Error string `json:"error,omitempty"`
|
||||
Queue *SeatQueue `json:"queue,omitempty"`
|
||||
}
|
||||
|
||||
// SeatQueue is what the builder read of one build seat's stream.
|
||||
type SeatQueue struct {
|
||||
Language string `json:"language"`
|
||||
Stream string `json:"stream"`
|
||||
Messages uint64 `json:"messages"`
|
||||
FirstSeq uint64 `json:"first_seq"`
|
||||
LastSeq uint64 `json:"last_seq"`
|
||||
Kinds []KindQueue `json:"kinds"`
|
||||
Note string `json:"note"`
|
||||
}
|
||||
|
||||
// KindQueue is one kind's messages on the stream, oldest first: how many the builder counts as waiting, the ask asked
|
||||
// last a build node took of the kind (or of one pulled after it), and each message.
|
||||
type KindQueue struct {
|
||||
Kind string `json:"kind"`
|
||||
Read int `json:"read"`
|
||||
Waiting int `json:"waiting"`
|
||||
GivenUp int `json:"given_up_or_taken"`
|
||||
Last *Taken `json:"last_taken,omitempty"`
|
||||
Messages []QueuedState `json:"messages"`
|
||||
}
|
||||
|
||||
// QueuedState is one message as the tool shows it.
|
||||
type QueuedState struct {
|
||||
Queued
|
||||
AgeSeconds int64 `json:"age_s"`
|
||||
Waits bool `json:"waits"`
|
||||
}
|
||||
|
||||
// NewKindQueue is seen's messages ahead as one kind's queue at now.
|
||||
func NewKindQueue(kind string, seen AskSeen, now time.Time) KindQueue {
|
||||
k := KindQueue{Kind: kind, Read: len(seen.Ahead), Last: seen.Last}
|
||||
for _, q := range seen.Ahead {
|
||||
w := seen.Waits(q)
|
||||
if w {
|
||||
k.Waiting++
|
||||
} else {
|
||||
k.GivenUp++
|
||||
}
|
||||
k.Messages = append(k.Messages, QueuedState{Queued: q, AgeSeconds: int64(now.Sub(q.PutAt) / time.Second), Waits: w})
|
||||
}
|
||||
return k
|
||||
}
|
||||
|
||||
// NewQueueAsk is the value builder_seat_queue writes for a language: its key and the value.
|
||||
func NewQueueAsk(language string, limit int, by string, at time.Time) (string, []byte, error) {
|
||||
if _, err := delivery.AskStream(language); err != nil {
|
||||
return "", nil, fmt.Errorf("language: %w", err)
|
||||
}
|
||||
if limit <= 0 {
|
||||
limit = DefaultQueueLimit
|
||||
}
|
||||
data, err := json.Marshal(QueueAsk{V: 1, Limit: min(limit, MaxQueueLimit), By: by, At: at.UTC()})
|
||||
return language, data, err
|
||||
}
|
||||
|
||||
// DecodeQueueAsk reads a queues value.
|
||||
func DecodeQueueAsk(data []byte) (QueueAsk, error) {
|
||||
var a QueueAsk
|
||||
if err := json.Unmarshal(data, &a); err != nil {
|
||||
return a, err
|
||||
}
|
||||
if a.V != 1 {
|
||||
return a, fmt.Errorf("a queues value of version %d, not 1", a.V)
|
||||
}
|
||||
return a, nil
|
||||
}
|
||||
|
||||
// LanguageOf is the language a tool's seat or language argument names: go, node or image, or node-build-<language>.
|
||||
func LanguageOf(arg string) string {
|
||||
return strings.TrimPrefix(strings.TrimSpace(arg), "node-build-")
|
||||
}
|
||||
@@ -379,9 +379,8 @@ func TestACandidatesFetchNamesTheNamedPathsTheIndexerGaveIt(t *testing.T) { // A
|
||||
t.Fatal("no fetch")
|
||||
}
|
||||
req, err := buildstep.ParseFetchRequest(f[0].body.(map[string]any))
|
||||
// The base is the trunk head the candidate was previewed onto, never the module value's commit (an older one).
|
||||
if err != nil || req.Dir != "modules/m" || strings.Join(req.Paths, ",") != "package.json,src" || req.Base != trunkHead {
|
||||
t.Errorf("fetch request = %+v, %v; want the trunk head %.8s as the base, the module's directory and its named paths", req, err, trunkHead)
|
||||
if err != nil || req.Dir != "modules/m" || strings.Join(req.Paths, ",") != "package.json,src" || req.Base == "" {
|
||||
t.Errorf("fetch request = %+v, %v; want the candidate's base, the module's directory and its named paths", req, err)
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
@@ -50,24 +50,6 @@ type Builder struct {
|
||||
// Answered is told the build module whose step answered a reference (issue 1886): what the builder says it writes
|
||||
// rests on it. Nil tells nobody.
|
||||
Answered func(buildModule string)
|
||||
// Stored answers which references the artifact store no longer holds (the controller's verb held; issue 1937): a done
|
||||
// key of the trunk's fingerprint is asked before it is left done (ClaimOptions.Stored). Nil asks nothing.
|
||||
Stored func(ctx context.Context, references []string) (gone []string, err error)
|
||||
// Trunk answers the head of a repository in the gate's source revision rev (source.main at that revision): the trunk a
|
||||
// candidate's preview is merged onto (Candidate.Base). Nil builds no candidate's fingerprint, and says why.
|
||||
Trunk func(ctx context.Context, rev uint64, repository string) (string, error)
|
||||
// Gone says why an ask with no ended step can no longer be answered, or "" when it can (issue 1945): asked once the
|
||||
// ask has waited CheckAfter, and again each CheckAfter it goes on waiting. An ask that cannot be answered is asked
|
||||
// again under a new id, at most Askings times. Nil, or CheckAfter 0, never asks it.
|
||||
Gone interface {
|
||||
Gone(ctx context.Context, a delivery.StepAsk) (string, error)
|
||||
}
|
||||
CheckAfter time.Duration
|
||||
// Askings is how many times one build module's part of a build is asked, the first included, before its key is failed
|
||||
// with why; DefaultAskings when 0.
|
||||
Askings int
|
||||
// Said is told each ask asked again (the builder's event build.asked-again). Nil tells nobody.
|
||||
Said func(AskedAgain)
|
||||
|
||||
once sync.Once
|
||||
sem chan struct{}
|
||||
@@ -84,11 +66,6 @@ type Builder struct {
|
||||
// published are the package versions `<name>@<version>` a done key of this bucket names as a package's reference: a key
|
||||
// waiting for one is built once it is here (ADR 0500 clause 6).
|
||||
published map[string]bool
|
||||
// held are the done keys' references the store answered held, by `<key> <references>`, asked once per process: a
|
||||
// blob collected later is found by the take-in, whose artifacts-gone forgets the key here (issue 1937).
|
||||
held map[string]bool
|
||||
// waiting are the lanes that wait for an ask's step, by build key and language: AskAgain asks through them.
|
||||
waiting map[string]map[string]chan string
|
||||
}
|
||||
|
||||
type planned struct {
|
||||
@@ -105,7 +82,7 @@ func (b *Builder) init() {
|
||||
b.sem = make(chan struct{}, limit)
|
||||
b.cands, b.via, b.trunkFP = map[string]delivery.Candidate{}, map[string]via{}, map[string]bool{}
|
||||
b.known, b.inflight, b.again, b.plans, b.tried = map[string]delivery.Module{}, map[string]bool{}, map[string]delivery.Module{}, map[string]planned{}, map[string]bool{}
|
||||
b.published, b.held, b.waiting = map[string]bool{}, map[string]bool{}, map[string]map[string]chan string{}
|
||||
b.published = map[string]bool{}
|
||||
})
|
||||
}
|
||||
|
||||
@@ -225,55 +202,6 @@ func (b *Builder) Forget(key string) {
|
||||
b.mu.Unlock()
|
||||
}
|
||||
|
||||
// storedOnce is Stored for one key, asked once per process while the store answers every reference held.
|
||||
func (b *Builder) storedOnce(key string) func(ctx context.Context, references []string) ([]string, error) {
|
||||
if b.Stored == nil {
|
||||
return nil
|
||||
}
|
||||
return func(ctx context.Context, references []string) ([]string, error) {
|
||||
id := key + " " + strings.Join(references, " ")
|
||||
b.mu.Lock()
|
||||
known := b.held[id]
|
||||
b.mu.Unlock()
|
||||
if known {
|
||||
return nil, nil
|
||||
}
|
||||
gone, err := b.Stored(ctx, references)
|
||||
if err == nil && len(gone) == 0 {
|
||||
b.mu.Lock()
|
||||
b.held[id] = true
|
||||
b.mu.Unlock()
|
||||
}
|
||||
return gone, err
|
||||
}
|
||||
}
|
||||
|
||||
// ArtifactsGone takes the controller's event artifacts-gone in (issue 1937): a take-in found that the store does not
|
||||
// hold what the module's key names. The module is looked at again, which asks the store (ClaimOptions.Stored) and
|
||||
// builds the key again; an event for a fingerprint the module no longer has is said and left. The event only wakes the
|
||||
// builder: what is built rests on the store's answer, never on the event alone.
|
||||
func (b *Builder) ArtifactsGone(ctx context.Context, e delivery.ArtifactsGone) {
|
||||
b.init()
|
||||
b.mu.Lock()
|
||||
m, ok := b.known[e.Module]
|
||||
if key, err := delivery.BuilderBuildKey(e.Module, e.Fingerprint); err == nil {
|
||||
for id := range b.held {
|
||||
if strings.HasPrefix(id, key+" ") {
|
||||
delete(b.held, id)
|
||||
}
|
||||
}
|
||||
}
|
||||
b.mu.Unlock()
|
||||
if !ok || m.FP2 != e.Fingerprint {
|
||||
b.logf("%s: heard %s for %s, a fingerprint the module does not have now: nothing to build", e.Module,
|
||||
delivery.ArtifactsGoneEvent, e.Fingerprint)
|
||||
return
|
||||
}
|
||||
b.logf("%s: heard %s (%s): asking the artifact store and building the key again", e.Module,
|
||||
delivery.ArtifactsGoneEvent, strings.Join(e.Gone, ", "))
|
||||
b.consider(ctx, e.Module, m)
|
||||
}
|
||||
|
||||
// Reconsider looks at every module again: the toolchains changed, so a build that failed for them may build now.
|
||||
func (b *Builder) Reconsider(ctx context.Context) {
|
||||
b.init()
|
||||
@@ -286,13 +214,6 @@ func (b *Builder) Reconsider(ctx context.Context) {
|
||||
for _, k := range sortedKeys(known) {
|
||||
b.consider(ctx, k, known[k])
|
||||
}
|
||||
b.TrunkMoved(ctx)
|
||||
}
|
||||
|
||||
// TrunkMoved considers every candidate again once a revision of the gate's source is heard: a candidate heard before the
|
||||
// revision it was previewed onto had no trunk head to be merged onto.
|
||||
func (b *Builder) TrunkMoved(ctx context.Context) {
|
||||
b.init()
|
||||
b.mu.Lock()
|
||||
cands := make([]delivery.Candidate, 0, len(b.cands))
|
||||
for _, c := range b.cands {
|
||||
@@ -391,8 +312,7 @@ func (b *Builder) try(ctx context.Context, module string, m delivery.Module) {
|
||||
first := !b.tried[key]
|
||||
b.tried[key] = true
|
||||
b.mu.Unlock()
|
||||
cl, err := b.Claimer.Claim(ctx, module, m.FP2, m.Manifest, ClaimOptions{TakeOver: first, ImageBuilder: imageSeat, Trunk: trunk, Published: b.isPublished,
|
||||
Stored: b.storedOnce(key)})
|
||||
cl, err := b.Claimer.Claim(ctx, module, m.FP2, m.Manifest, ClaimOptions{TakeOver: first, ImageBuilder: imageSeat, Trunk: trunk, Published: b.isPublished})
|
||||
if err != nil {
|
||||
b.logf("%s: %v", module, err)
|
||||
return
|
||||
@@ -400,13 +320,6 @@ func (b *Builder) try(ctx context.Context, module string, m delivery.Module) {
|
||||
if cl == nil {
|
||||
return
|
||||
}
|
||||
if cl.Unasked != nil {
|
||||
b.logf("%v", cl.Unasked)
|
||||
}
|
||||
if len(cl.Gone) > 0 {
|
||||
// Said aloud (issue 1937): the key was done, and the store's collector deleted what it names.
|
||||
b.logf("%s: built again: the artifact store no longer holds %s", cl.Key, strings.Join(cl.Gone, ", "))
|
||||
}
|
||||
// A done key taken again builds only what is missing: the image or the package built unpublished as a candidate's; the
|
||||
// other artifacts stay as the done key has them (ADR 0487 clauses 5 and 8, ADR 0498 clause 6).
|
||||
var prior *delivery.BuilderBuild
|
||||
@@ -437,9 +350,6 @@ func (b *Builder) try(ctx context.Context, module string, m delivery.Module) {
|
||||
return
|
||||
}
|
||||
result.By, result.Manifest = b.Claimer.By, m.Manifest
|
||||
if len(cl.Gone) > 0 && result.State == delivery.BuildDone {
|
||||
result.Step += " (built again: the artifact store no longer held " + strings.Join(cl.Gone, ", ") + ")"
|
||||
}
|
||||
if publishing && result.State == delivery.BuildFailed {
|
||||
// The trunk's image or package was built only as a candidate's and its push or publish failed: the key says so, so the builds view, the
|
||||
// checker and the failed-key retake see it, and a look does not build the image again for nothing.
|
||||
@@ -687,14 +597,12 @@ type askNotes struct {
|
||||
b *Builder
|
||||
cl *Claim
|
||||
resumed map[string]string
|
||||
// step is the step words of a key taken over at start: an ask asked again says its asking there (askingOf).
|
||||
step string
|
||||
}
|
||||
|
||||
func (b *Builder) notes(cl *Claim) *askNotes {
|
||||
n := &askNotes{b: b, cl: cl}
|
||||
if cl.Build.State == delivery.BuildBuilding && len(cl.Build.Asks) > 0 {
|
||||
n.resumed, n.step = maps.Clone(cl.Build.Asks), cl.Build.Step
|
||||
n.resumed = maps.Clone(cl.Build.Asks)
|
||||
}
|
||||
return n
|
||||
}
|
||||
@@ -792,7 +700,7 @@ func (b *Builder) runLane(ctx context.Context, l *lane, repository string, m del
|
||||
return
|
||||
}
|
||||
}
|
||||
step, ask, err := b.answer(ctx, l, ask, asked, module, m.FP2)
|
||||
step, err := b.Asks.Wait(ctx, ask)
|
||||
if err != nil {
|
||||
l.err = fmt.Errorf("%s: %w", l.module, err)
|
||||
return
|
||||
|
||||
@@ -6,10 +6,8 @@ import (
|
||||
"errors"
|
||||
"fmt"
|
||||
"git.novox.be/novox/mesh-sdk/go/delivery/buildrun"
|
||||
"strconv"
|
||||
"strings"
|
||||
"sync"
|
||||
"sync/atomic"
|
||||
"testing"
|
||||
"time"
|
||||
|
||||
@@ -178,7 +176,6 @@ func newRig(t *testing.T, artifacts ...catalogue.Artifact) *rig {
|
||||
r.b = &Builder{
|
||||
Claimer: Claimer{Store: r.st, By: "novox.builder"}, Asks: buildrun.Asker{Publisher: r.asks, Waiter: r.asks, Bound: 2 * time.Second},
|
||||
Toolchains: r.tools, Manifests: r.mf, Logf: t.Logf,
|
||||
Trunk: func(context.Context, uint64, string) (string, error) { return trunkHead, nil },
|
||||
}
|
||||
var err error
|
||||
if r.key, err = delivery.BuilderBuildKey("m", fp1); err != nil {
|
||||
@@ -618,286 +615,27 @@ func TestAFailedPublishOfACandidatesImageIsWrittenToTheKey(t *testing.T) { // re
|
||||
}
|
||||
}
|
||||
|
||||
// goneAsks answers Gone from a function of the ask, and counts how often it was asked; it keeps the ids it was asked to
|
||||
// drop from their stream (Dropper).
|
||||
type goneAsks struct {
|
||||
mu sync.Mutex
|
||||
n int
|
||||
why func(a delivery.StepAsk) string
|
||||
dropped []string
|
||||
}
|
||||
|
||||
func (g *goneAsks) Drop(_ context.Context, a delivery.StepAsk) error {
|
||||
g.mu.Lock()
|
||||
defer g.mu.Unlock()
|
||||
g.dropped = append(g.dropped, a.ID)
|
||||
return nil
|
||||
}
|
||||
|
||||
func (g *goneAsks) Gone(_ context.Context, a delivery.StepAsk) (string, error) {
|
||||
g.mu.Lock()
|
||||
g.n++
|
||||
g.mu.Unlock()
|
||||
return g.why(a), nil
|
||||
}
|
||||
|
||||
func (g *goneAsks) asked() int {
|
||||
g.mu.Lock()
|
||||
defer g.mu.Unlock()
|
||||
return g.n
|
||||
}
|
||||
|
||||
// waitForAsks waits until n asks were put.
|
||||
func waitForAsks(t *testing.T, r *rig, n int) []delivery.StepAsk {
|
||||
t.Helper()
|
||||
for deadline := time.Now().Add(2 * time.Second); len(r.asks.Asks()) < n; time.Sleep(time.Millisecond) {
|
||||
if time.Now().After(deadline) {
|
||||
t.Fatalf("%d asks put, want %d", len(r.asks.Asks()), n)
|
||||
}
|
||||
}
|
||||
return r.asks.Asks()
|
||||
}
|
||||
|
||||
// Review round 2 item 1: a build ask that waits in its stream longer than the step bound is not failed and not asked
|
||||
// again; the key is done when a node takes it. Issue 1945: an ask that can no longer be answered (its stream gave it up)
|
||||
// is asked again under a new id, said, at most Askings times; a person asks it again by hand the same way.
|
||||
// again; the key is done when a node takes it.
|
||||
func TestABuildAskWaitingInItsStreamIsNotBounded(t *testing.T) {
|
||||
t.Run("waits in its stream: never asked again", func(t *testing.T) {
|
||||
r := newRig(t, goBundle)
|
||||
r.asks.Answer = nil
|
||||
r.b.Asks = buildrun.Asker{Publisher: r.asks, Waiter: r.asks, Bound: 20 * time.Millisecond}
|
||||
gone := &goneAsks{why: func(delivery.StepAsk) string { return "" }}
|
||||
r.b.Gone, r.b.CheckAfter = gone, 5*time.Millisecond
|
||||
r.b.Module(context.Background(), "m", moduleValue(t, "modules/m"))
|
||||
waitForAsks(t, r, 1)
|
||||
time.Sleep(100 * time.Millisecond)
|
||||
if v := valueOf(t, r.st, r.key); v.State != delivery.BuildBuilding {
|
||||
t.Fatalf("the key = %+v while its ask waits, want building", v)
|
||||
r := newRig(t, goBundle)
|
||||
r.asks.Answer = nil
|
||||
r.b.Asks = buildrun.Asker{Publisher: r.asks, Waiter: r.asks, Bound: 20 * time.Millisecond}
|
||||
r.b.Module(context.Background(), "m", moduleValue(t, "modules/m"))
|
||||
for deadline := time.Now().Add(2 * time.Second); len(r.asks.Asks()) == 0; time.Sleep(time.Millisecond) {
|
||||
if time.Now().After(deadline) {
|
||||
t.Fatal("no ask was put")
|
||||
}
|
||||
if gone.asked() == 0 {
|
||||
t.Fatal("whether the ask can still be answered was never read at the check bound") // 1945
|
||||
}
|
||||
r.asks.End(r.answer(r.asks.Asks()[0]))
|
||||
r.b.Wait()
|
||||
if v := valueOf(t, r.st, r.key); v.State != delivery.BuildDone || len(r.asks.Asks()) != 1 {
|
||||
t.Fatalf("the key = %+v after %d asks, want done from the one ask", v, len(r.asks.Asks()))
|
||||
}
|
||||
})
|
||||
for _, c := range []struct {
|
||||
name string
|
||||
askings int
|
||||
// step is the key's step words at start when it names an ask (a key taken over), "" for a fresh build.
|
||||
step string
|
||||
byHand bool
|
||||
always bool // Gone says every ask cannot be answered, not only the first
|
||||
puts int
|
||||
done bool
|
||||
asking int // the asking the event says, 0 when none is said
|
||||
}{
|
||||
{name: "given up by its stream: asked again under a new id and done from it", puts: 2, done: true, asking: 2},
|
||||
{name: "asked again by hand: the same, with no check bound", byHand: true, puts: 2, done: true, asking: 2},
|
||||
{name: "never answerable: failed after its askings", askings: 2, always: true, puts: 2},
|
||||
{name: "taken over at its last asking: failed, not asked again", askings: 3, always: true, step: "asked mesh-build-go again (asking 3): x", puts: 0},
|
||||
} {
|
||||
t.Run(c.name, func(t *testing.T) { // 1945
|
||||
r := newRig(t, goBundle)
|
||||
r.asks.Answer = nil
|
||||
r.b.Askings = c.askings
|
||||
var said []AskedAgain
|
||||
var mu sync.Mutex
|
||||
r.b.Said = func(e AskedAgain) { mu.Lock(); said = append(said, e); mu.Unlock() }
|
||||
first := ""
|
||||
if c.step != "" {
|
||||
first = "mvl0frv18d1960"
|
||||
data, _ := delivery.EncodeBuilderBuild(delivery.BuilderBuild{State: delivery.BuildBuilding, By: "novox.builder", Manifest: manifestD,
|
||||
Step: c.step, Asks: map[string]string{delivery.AskGo: first}})
|
||||
r.st.vals[r.key] = data
|
||||
}
|
||||
gone := &goneAsks{}
|
||||
if !c.byHand {
|
||||
gone.why = func(a delivery.StepAsk) string {
|
||||
if c.always || a.ID == first || first == "" {
|
||||
return "it waits first in line while a node took a later ask"
|
||||
}
|
||||
return ""
|
||||
}
|
||||
r.b.Gone, r.b.CheckAfter = gone, 5*time.Millisecond
|
||||
}
|
||||
r.b.Module(context.Background(), "m", moduleValue(t, "modules/m"))
|
||||
if c.byHand {
|
||||
waitForAsks(t, r, 1)
|
||||
for deadline := time.Now().Add(2 * time.Second); len(r.b.AskAgain(r.key, "stuck since 19:06")) == 0; time.Sleep(time.Millisecond) {
|
||||
if time.Now().After(deadline) {
|
||||
t.Fatal("no lane of the key waits")
|
||||
}
|
||||
}
|
||||
}
|
||||
if c.done {
|
||||
asks := waitForAsks(t, r, c.puts)
|
||||
if first == "" && !c.byHand {
|
||||
first = asks[0].ID
|
||||
}
|
||||
last := asks[len(asks)-1]
|
||||
if v := valueOf(t, r.st, r.key); v.Asks[delivery.AskGo] != last.ID || !strings.Contains(v.Step, "again (asking 2)") {
|
||||
t.Fatalf("the key = %+v, want building naming the ask asked again %s", v, last.ID)
|
||||
}
|
||||
r.asks.End(r.answer(last))
|
||||
}
|
||||
r.b.Wait()
|
||||
v := valueOf(t, r.st, r.key)
|
||||
if n := len(r.asks.Asks()); n != c.puts {
|
||||
t.Errorf("%d asks put, want %d", n, c.puts)
|
||||
}
|
||||
if c.done && v.State != delivery.BuildDone {
|
||||
t.Errorf("the key = %+v, want done from the ask asked again", v)
|
||||
}
|
||||
if !c.done && (v.State != delivery.BuildFailed || !strings.Contains(v.Error, "could not be answered and was asked")) {
|
||||
t.Errorf("the key = %+v, want failed saying the ask could not be answered", v)
|
||||
}
|
||||
mu.Lock()
|
||||
defer mu.Unlock()
|
||||
// Note 62: the old message of an ask asked again because its stream gave it up is dropped from the stream.
|
||||
if gone.mu.Lock(); c.done && !c.byHand && (len(gone.dropped) != 1 || gone.dropped[0] != first) {
|
||||
t.Errorf("dropped %v from the stream, want the old ask %s", gone.dropped, first)
|
||||
}
|
||||
gone.mu.Unlock()
|
||||
if c.asking > 0 && (len(said) != 1 || said[0].Asking != c.asking || said[0].New == said[0].Old || said[0].Key != r.key || said[0].Why == "") {
|
||||
t.Errorf("said %+v, want once at asking %d", said, c.asking)
|
||||
}
|
||||
})
|
||||
}
|
||||
t.Run("what the bus says of an ask", func(t *testing.T) { // 1945
|
||||
put := time.Date(2026, 10, 25, 17, 6, 0, 0, time.UTC)
|
||||
taken := func(kind string, at time.Time) *Taken {
|
||||
return &Taken{Ask: "later", Kind: kind, At: at, Node: "g14", Started: at}
|
||||
}
|
||||
later := taken(delivery.AskDelivery, put.Add(time.Minute))
|
||||
// ahead is n messages put before the ask, a minute apart, each with step (its state, "" for none).
|
||||
ahead := func(n int, step string) []Queued {
|
||||
var qs []Queued
|
||||
for i := range n {
|
||||
at := put.Add(-time.Duration(n-i) * time.Minute)
|
||||
qs = append(qs, Queued{Seq: uint64(i + 1), Ask: fmt.Sprint("a", i), Kind: delivery.AskDelivery, At: at, PutAt: at, Step: step})
|
||||
}
|
||||
return qs
|
||||
}
|
||||
seen := func(qs []Queued, last *Taken) AskSeen {
|
||||
return AskSeen{Stream: "S", Kind: delivery.AskDelivery, At: put, OnStream: true, PutAt: put, Ahead: qs, Last: last}
|
||||
}
|
||||
for _, c := range []struct {
|
||||
name string
|
||||
seen AskSeen
|
||||
want string // a part of the why, "" when it can be answered
|
||||
waiting int
|
||||
}{
|
||||
{"a node took it", AskSeen{Stream: "S", Step: true}, "", 0},
|
||||
{"no longer on its stream", AskSeen{Stream: "S"}, "no longer holds it", 0},
|
||||
{"first in line, a later ask taken", seen(nil, later), "no longer delivers it", 0},
|
||||
{"first in line, nothing taken since", seen(nil, nil), "", 0},
|
||||
{"first in line, the ask taken last was asked before it", seen(nil, taken(delivery.AskDelivery, put.Add(-time.Second))), "", 0},
|
||||
{"two wait ahead, nothing taken since", seen(ahead(2, ""), nil), "", 2},
|
||||
{"two ahead passed over, the ask not yet", seen(ahead(2, ""), taken(delivery.AskDelivery, put.Add(-time.Second))), "", 0},
|
||||
// Note 62: seven messages SEAT_NODE_BUILD_GO gave up on sat ahead of a Go ask for five hours.
|
||||
{"seven given up on ahead, a later ask taken", seen(ahead(7, ""), later), "behind 7 given up on or taken", 0},
|
||||
{"seven taken ahead (failed as poison), a later ask taken", seen(ahead(7, delivery.StepFailed), later), "no longer delivers it", 0},
|
||||
{"a check ask taken later proves a delivery ask passed", seen(ahead(7, ""), taken(delivery.AskCheck, put.Add(time.Minute))), "no longer delivers it", 0},
|
||||
{"a delivery ask taken later does not prove a check ask passed", func() AskSeen { s := seen(ahead(3, ""), later); s.Kind = delivery.AskCheck; return s }(), "", 3},
|
||||
} {
|
||||
got := c.seen.Why()
|
||||
if (c.want == "") != (got == "") || !strings.Contains(got, c.want) || c.seen.Waiting() != c.waiting {
|
||||
t.Errorf("%s: why %q and %d waiting, want %q and %d", c.name, got, c.seen.Waiting(), c.want, c.waiting)
|
||||
}
|
||||
}
|
||||
if at := time.UnixMilli(1793120000123); !AskedAt(strconv.FormatInt(at.UnixMilli(), 36)+"0a1b2c").Equal(at) || !AskedAt("x").IsZero() {
|
||||
t.Errorf("AskedAt does not read an ask id's time")
|
||||
}
|
||||
})
|
||||
t.Run("the tool builder_stuck", func(t *testing.T) { // 1945
|
||||
at := time.Date(2026, 10, 25, 17, 6, 0, 0, time.UTC)
|
||||
state := func(vals map[string]string) StateRead {
|
||||
return StateRead{Keys: func() ([]string, error) {
|
||||
var ks []string
|
||||
for k := range vals {
|
||||
ks = append(ks, k)
|
||||
}
|
||||
return ks, nil
|
||||
}, Get: func(k string) (json.RawMessage, time.Time, error) {
|
||||
if v, ok := vals[k]; ok {
|
||||
return json.RawMessage(v), at, nil
|
||||
}
|
||||
return nil, time.Time{}, nil
|
||||
}}
|
||||
}
|
||||
key, _ := delivery.BuilderBuildKey("m", fp1)
|
||||
done, _ := delivery.BuilderBuildKey("d", fp1)
|
||||
building, _ := delivery.EncodeBuilderBuild(delivery.BuilderBuild{State: delivery.BuildBuilding, By: "novox.builder", Manifest: manifestD,
|
||||
Step: "asked mesh-build-go again (asking 2): x", Asks: map[string]string{delivery.AskGo: "mvo53jcm70b5f7", delivery.AskImage: "mvo53jcm70b5f8"}})
|
||||
finished, _ := delivery.EncodeBuilderBuild(delivery.BuilderBuild{State: delivery.BuildDone, Manifest: manifestD, Step: "built"})
|
||||
running, _ := json.Marshal(delivery.Step{V: delivery.Version, ID: "mvo53jcm70b5f8", Tool: "delivery ask", Node: "g14", State: delivery.StepRunning, Started: at})
|
||||
_, reask, _ := NewReAsk("m", fp1, "stuck", "shanks.lead", at)
|
||||
r := StuckReader{Builds: state(map[string]string{key: string(building), done: string(finished)}), ReAsks: state(map[string]string{key: string(reask)}),
|
||||
Steps: map[string]StateRead{buildrun.GoBuildModule: state(map[string]string{}), ImageBuildModule: state(map[string]string{"g14.mvo53jcm70b5f8": string(running)})},
|
||||
Now: func() time.Time { return at.Add(time.Hour) }}
|
||||
out, err := r.Stuck("")
|
||||
if err != nil {
|
||||
t.Fatal(err)
|
||||
}
|
||||
stuck := out["stuck"].([]Stuck)
|
||||
if len(stuck) != 1 || stuck[0].Key != key || stuck[0].Age != "1h0m0s" || stuck[0].NoneStep != 1 || stuck[0].ReAsk == nil || stuck[0].ReAsk.Why != "stuck" {
|
||||
t.Fatalf("stuck = %+v, want the building key alone, an hour old, one ask with no step, with its ask again", stuck)
|
||||
}
|
||||
a := stuck[0].Asks
|
||||
if len(a) != 2 || a[0].Language != delivery.AskGo || a[0].Asking != 2 || a[0].Step != "none" || a[0].Asked.IsZero() ||
|
||||
a[1].Asking != 1 || !strings.HasPrefix(a[1].Step, "running on g14") {
|
||||
t.Fatalf("asks = %+v, want go at asking 2 with no step and image at asking 1 running on g14", a)
|
||||
}
|
||||
|
||||
// 1827: on the live shape (3000 build keys over 100 modules, 1 ms a Get, three keys of each module building) a module reads only its
|
||||
// own keys, the whole answer reads MaxReads values in parallel and says it was cut, and the history (Written) is asked
|
||||
// only for the rows kept.
|
||||
var gets, written, inFlight, maxFlight atomic.Int64
|
||||
vals := map[string]string{}
|
||||
for i := 0; i < 3000; i++ {
|
||||
k, _ := delivery.BuilderBuildKey(fmt.Sprintf("mod%02d", i%100), fmt.Sprintf("src2:%064x", i))
|
||||
vals[k] = string(finished)
|
||||
if (i/100)%10 == 0 {
|
||||
vals[k] = string(building)
|
||||
}
|
||||
}
|
||||
slow := state(vals)
|
||||
get := slow.Get
|
||||
slow.Get = func(k string) (json.RawMessage, time.Time, error) {
|
||||
gets.Add(1)
|
||||
n := inFlight.Add(1)
|
||||
for m := maxFlight.Load(); n > m && !maxFlight.CompareAndSwap(m, n); m = maxFlight.Load() {
|
||||
}
|
||||
time.Sleep(time.Millisecond)
|
||||
inFlight.Add(-1)
|
||||
raw, _, err := get(k)
|
||||
return raw, time.Time{}, err
|
||||
}
|
||||
slow.Written = func(string) time.Time { written.Add(1); return at }
|
||||
for _, row := range []struct {
|
||||
module string
|
||||
stuck int
|
||||
gets int64
|
||||
cut bool
|
||||
}{{"mod10", 3, 30, false}, {"", 100, MaxReads, true}} {
|
||||
gets.Store(0)
|
||||
written.Store(0)
|
||||
out, err := StuckReader{Builds: slow, ReAsks: state(map[string]string{}), Steps: map[string]StateRead{}, Now: func() time.Time { return at }}.Stuck(row.module)
|
||||
if err != nil {
|
||||
t.Fatal(err)
|
||||
}
|
||||
_, cut := out["cut"]
|
||||
if n := len(out["stuck"].([]Stuck)); n != row.stuck || cut != row.cut || written.Load() != int64(n) || gets.Load() != row.gets {
|
||||
t.Errorf("%q: %d stuck, %d gets, %d written, cut %v; want %d stuck and gets, written for each, cut %v", row.module, n, gets.Load(), written.Load(), cut, row.stuck, row.cut)
|
||||
}
|
||||
}
|
||||
if maxFlight.Load() < 2 {
|
||||
t.Errorf("the values were read one at a time")
|
||||
}
|
||||
})
|
||||
time.Sleep(100 * time.Millisecond)
|
||||
if v := valueOf(t, r.st, r.key); v.State != delivery.BuildBuilding {
|
||||
t.Fatalf("the key = %+v while its ask waits, want building", v)
|
||||
}
|
||||
r.asks.End(r.answer(r.asks.Asks()[0]))
|
||||
r.b.Wait()
|
||||
if v := valueOf(t, r.st, r.key); v.State != delivery.BuildDone || len(r.asks.Asks()) != 1 {
|
||||
t.Fatalf("the key = %+v after %d asks, want done from the one ask", v, len(r.asks.Asks()))
|
||||
}
|
||||
}
|
||||
|
||||
// heldAsks says an ask is held when its id is among held.
|
||||
|
||||
@@ -1,290 +0,0 @@
|
||||
package build
|
||||
|
||||
import (
|
||||
"encoding/json"
|
||||
"errors"
|
||||
"fmt"
|
||||
"sort"
|
||||
"strconv"
|
||||
"strings"
|
||||
"sync"
|
||||
"sync/atomic"
|
||||
"time"
|
||||
|
||||
"git.novox.be/novox/mesh-sdk/go/delivery"
|
||||
"git.novox.be/novox/mesh-sdk/go/delivery/buildrun"
|
||||
)
|
||||
|
||||
// The builder's tools (novox/hq issue 1945; the instruction "tools are how a module is spoken to"): builder_stuck reads
|
||||
// every key that waits on an ask, builder_ask_again asks a key's build again now. The tools bundle serves them through
|
||||
// the tool runner; the builder's process serves no tool (ADR 0437 §4), so builder_ask_again writes the ask into the
|
||||
// builder's state reasks, which the builder watches and answers there.
|
||||
const (
|
||||
StuckTool = "builder_stuck"
|
||||
AskAgainTool = "builder_ask_again"
|
||||
// ReAsksState is the builder's state of asks to ask again: the bucket mesh-delivery-builder_reasks, keyed as the build key.
|
||||
ReAsksState = "reasks"
|
||||
ReAsksBucket = delivery.BuilderModule + "_" + ReAsksState
|
||||
)
|
||||
|
||||
// ReAsk is a value of the reasks state: why a person asked the key's build again, who and when, and, once the builder
|
||||
// read it, its answer.
|
||||
type ReAsk struct {
|
||||
V int `json:"v"`
|
||||
Why string `json:"why"`
|
||||
By string `json:"by,omitempty"`
|
||||
At time.Time `json:"at"`
|
||||
Answer string `json:"answer,omitempty"`
|
||||
Answered time.Time `json:"answered,omitzero"`
|
||||
}
|
||||
|
||||
// DecodeReAsk reads a reasks value.
|
||||
func DecodeReAsk(data []byte) (ReAsk, error) {
|
||||
var r ReAsk
|
||||
if err := json.Unmarshal(data, &r); err != nil {
|
||||
return r, err
|
||||
}
|
||||
if r.V != 1 {
|
||||
return r, fmt.Errorf("a reasks value of version %d, not 1", r.V)
|
||||
}
|
||||
return r, nil
|
||||
}
|
||||
|
||||
// NewReAsk is the value builder_ask_again writes for a module's fingerprint: its key and the value.
|
||||
func NewReAsk(module, fp, why, by string, at time.Time) (string, []byte, error) {
|
||||
key, err := delivery.BuilderBuildKey(module, fp)
|
||||
if err != nil {
|
||||
return "", nil, err
|
||||
}
|
||||
if strings.TrimSpace(why) == "" {
|
||||
return "", nil, errors.New("say why the build is asked again (why)")
|
||||
}
|
||||
data, err := json.Marshal(ReAsk{V: 1, Why: strings.TrimSpace(why), By: by, At: at.UTC()})
|
||||
return key, data, err
|
||||
}
|
||||
|
||||
// StateRead is a state the tools read: its keys, and a key's value with when it was written (zero when not known).
|
||||
type StateRead struct {
|
||||
Keys func() ([]string, error)
|
||||
Get func(key string) (json.RawMessage, time.Time, error)
|
||||
// Written is when the key's current value was written, from the state's history: one more round trip, so the tools ask it
|
||||
// only for a row they keep, and only when Get did not say.
|
||||
Written func(key string) time.Time
|
||||
}
|
||||
|
||||
// StuckAsk is one ask a key waits on.
|
||||
type StuckAsk struct {
|
||||
Language string `json:"language"`
|
||||
BuildModule string `json:"build_module"`
|
||||
ID string `json:"id"`
|
||||
Asking int `json:"asking"`
|
||||
// Asked is when the ask was put, read from its id; Step is what its build module's steps hold of it: none, or its
|
||||
// state on its node since its start.
|
||||
Asked time.Time `json:"asked,omitzero"`
|
||||
Step string `json:"step"`
|
||||
}
|
||||
|
||||
// Stuck is one build key that waits on an ask.
|
||||
type Stuck struct {
|
||||
Key string `json:"key"`
|
||||
Module string `json:"module"`
|
||||
FP string `json:"fp"`
|
||||
State string `json:"state"`
|
||||
Step string `json:"step"`
|
||||
By string `json:"by"`
|
||||
Since time.Time `json:"since,omitzero"`
|
||||
Age string `json:"age,omitempty"`
|
||||
Asks []StuckAsk `json:"asks"`
|
||||
ReAsk *ReAsk `json:"reask,omitempty"`
|
||||
Unasked bool `json:"unasked,omitempty"`
|
||||
NoneStep int `json:"asks_with_no_step"`
|
||||
}
|
||||
|
||||
// StuckReader reads what builder_stuck answers.
|
||||
type StuckReader struct {
|
||||
Builds StateRead
|
||||
ReAsks StateRead
|
||||
// Steps are the build modules' steps states, by build module.
|
||||
Steps map[string]StateRead
|
||||
Now func() time.Time
|
||||
// Logf, when set, gets the one line a call logs: the values it read and the time it took.
|
||||
Logf func(format string, args ...any)
|
||||
}
|
||||
|
||||
// ReadWorkers is how many values builder_stuck asks the bus for at once, and MaxReads how many it reads in a call (issue 1827:
|
||||
// every value is a round trip through the runtime, so one after the other a few thousand keys outlast the call's 30 s).
|
||||
// A copy of the delivery view's and the checker's: a few lines are not worth a group delivery through mesh-sdk.
|
||||
const (
|
||||
ReadWorkers = 16
|
||||
MaxReads = 1000
|
||||
)
|
||||
|
||||
// parallel runs read(i) for i in [0, n), at most ReadWorkers at a time, and answers the first error.
|
||||
func parallel(n int, read func(i int) error) error {
|
||||
var (
|
||||
next atomic.Int64
|
||||
failed atomic.Bool
|
||||
once sync.Once
|
||||
first error
|
||||
wg sync.WaitGroup
|
||||
)
|
||||
for w := 0; w < min(ReadWorkers, n); w++ {
|
||||
wg.Add(1)
|
||||
go func() {
|
||||
defer wg.Done()
|
||||
for !failed.Load() {
|
||||
i := int(next.Add(1) - 1)
|
||||
if i >= n {
|
||||
return
|
||||
}
|
||||
if err := read(i); err != nil {
|
||||
once.Do(func() { first = err })
|
||||
failed.Store(true)
|
||||
}
|
||||
}
|
||||
}()
|
||||
}
|
||||
wg.Wait()
|
||||
return first
|
||||
}
|
||||
|
||||
// Stuck is every key building or queued with its asks, oldest first; with module, that module's only.
|
||||
func (r StuckReader) Stuck(module string) (map[string]any, error) {
|
||||
started := time.Now()
|
||||
reads := 0
|
||||
defer func() {
|
||||
if r.Logf != nil {
|
||||
r.Logf("builder_stuck read %d values in %s", reads, time.Since(started).Round(time.Millisecond))
|
||||
}
|
||||
}()
|
||||
keys, err := r.Builds.Keys()
|
||||
if err != nil {
|
||||
return nil, err
|
||||
}
|
||||
now := time.Now
|
||||
if r.Now != nil {
|
||||
now = r.Now
|
||||
}
|
||||
// Steps are found by the ask's id, which their key ends in: one index per build module, no value read until an ask names it.
|
||||
stepKeys := map[string]map[string]string{}
|
||||
for bm, s := range r.Steps {
|
||||
ks, err := s.Keys()
|
||||
if err != nil {
|
||||
return nil, fmt.Errorf("the steps of %s: %w", bm, err)
|
||||
}
|
||||
byID := make(map[string]string, len(ks))
|
||||
for _, k := range ks {
|
||||
if _, id, err := delivery.ParseStepKey(k); err == nil {
|
||||
byID[id] = k
|
||||
}
|
||||
}
|
||||
stepKeys[bm] = byID
|
||||
}
|
||||
// Narrowed by the key (the module) before any value is read; the state is in the value, so every matching key is read, in
|
||||
// parallel, at most MaxReads of them.
|
||||
type parsed struct{ key, mod, fp string }
|
||||
var matching []parsed
|
||||
for _, key := range keys {
|
||||
mod, fp, err := delivery.ParseBuilderBuildKey(key)
|
||||
if err != nil || (module != "" && mod != module) {
|
||||
continue
|
||||
}
|
||||
matching = append(matching, parsed{key, mod, fp})
|
||||
}
|
||||
sort.Slice(matching, func(i, j int) bool { return matching[i].key < matching[j].key })
|
||||
cut := len(matching) > MaxReads
|
||||
total := len(matching)
|
||||
if cut {
|
||||
matching = matching[:MaxReads]
|
||||
}
|
||||
values := make([]json.RawMessage, len(matching))
|
||||
ats := make([]time.Time, len(matching))
|
||||
if err := parallel(len(matching), func(i int) error {
|
||||
raw, at, err := r.Builds.Get(matching[i].key)
|
||||
if err == nil {
|
||||
values[i], ats[i] = raw, at
|
||||
}
|
||||
return nil
|
||||
}); err != nil {
|
||||
return nil, err
|
||||
}
|
||||
reads += len(matching)
|
||||
out := []Stuck{}
|
||||
for i, m := range matching {
|
||||
key, mod, fp := m.key, m.mod, m.fp
|
||||
raw, at := values[i], ats[i]
|
||||
if raw == nil {
|
||||
continue
|
||||
}
|
||||
v, err := delivery.DecodeBuilderBuild(raw)
|
||||
if err != nil || (v.State != delivery.BuildBuilding && v.State != delivery.BuildQueued) {
|
||||
continue
|
||||
}
|
||||
if at.IsZero() && r.Builds.Written != nil {
|
||||
at = r.Builds.Written(key)
|
||||
}
|
||||
s := Stuck{Key: key, Module: mod, FP: fp, State: v.State, Step: v.Step, By: v.By, Since: at, Asks: []StuckAsk{}}
|
||||
if !at.IsZero() {
|
||||
s.Age = now().Sub(at).Round(time.Second).String()
|
||||
}
|
||||
for language, id := range v.Asks {
|
||||
bm, _ := delivery.BuildModuleOf(language)
|
||||
a := StuckAsk{Language: language, BuildModule: bm, ID: id, Asking: askingOf(v.Step, bm), Step: "none"}
|
||||
if t, ok := idTime(id); ok {
|
||||
a.Asked = t
|
||||
}
|
||||
if st, ok := r.Steps[bm]; ok {
|
||||
if k, ok := stepKeys[bm][id]; ok {
|
||||
reads++
|
||||
if raw, _, err := st.Get(k); err == nil && raw != nil {
|
||||
if step, err := delivery.DecodeStep(raw); err == nil {
|
||||
a.Step = fmt.Sprintf("%s on %s since %s", step.State, step.Node, step.Started.UTC().Format(time.RFC3339))
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
if a.Step == "none" {
|
||||
s.NoneStep++
|
||||
}
|
||||
s.Asks = append(s.Asks, a)
|
||||
}
|
||||
sort.Slice(s.Asks, func(i, j int) bool { return s.Asks[i].Language < s.Asks[j].Language })
|
||||
s.Unasked = v.State == delivery.BuildBuilding && len(v.Asks) == 0
|
||||
if r.ReAsks.Get != nil {
|
||||
reads++
|
||||
if raw, _, err := r.ReAsks.Get(key); err == nil && raw != nil {
|
||||
if ra, err := DecodeReAsk(raw); err == nil {
|
||||
s.ReAsk = &ra
|
||||
}
|
||||
}
|
||||
}
|
||||
out = append(out, s)
|
||||
}
|
||||
sort.Slice(out, func(i, j int) bool {
|
||||
if !out[i].Since.Equal(out[j].Since) {
|
||||
return out[i].Since.Before(out[j].Since)
|
||||
}
|
||||
return out[i].Key < out[j].Key
|
||||
})
|
||||
answer := map[string]any{"stuck": out, "count": len(out),
|
||||
"delivery_counts": "not readable by the builder: the build seats' workers' information is granted to the delivery view alone (its backlog); an ask given up on is told by the builder at its check bound and asked again"}
|
||||
if cut {
|
||||
answer["cut"], answer["note"] = true, fmt.Sprintf("read %d of %d build keys in key order and stopped; give a module to read its keys alone", MaxReads, total)
|
||||
}
|
||||
return answer, nil
|
||||
}
|
||||
|
||||
// StuckBuildModules are the build modules whose steps builder_stuck reads.
|
||||
var StuckBuildModules = []string{buildrun.GoBuildModule, buildrun.NodeBuildModule, ImageBuildModule}
|
||||
|
||||
// idTime is when a step id was made (buildstep.NewID: the time in milliseconds in base 36, then six hex digits).
|
||||
func idTime(id string) (time.Time, bool) {
|
||||
if len(id) <= 6 {
|
||||
return time.Time{}, false
|
||||
}
|
||||
ms, err := strconv.ParseInt(id[:len(id)-6], 36, 64)
|
||||
if err != nil || ms <= 0 {
|
||||
return time.Time{}, false
|
||||
}
|
||||
return time.UnixMilli(ms).UTC(), true
|
||||
}
|
||||
@@ -23,21 +23,18 @@ type state struct {
|
||||
}
|
||||
|
||||
type artifact struct {
|
||||
Name string `json:"name"`
|
||||
Kind string `json:"kind"`
|
||||
Language string `json:"language"`
|
||||
System string `json:"system"`
|
||||
From string `json:"from"`
|
||||
Binary string `json:"binary"`
|
||||
Loads []string `json:"loads"`
|
||||
Name string `json:"name"`
|
||||
Kind string `json:"kind"`
|
||||
Language string `json:"language"`
|
||||
System string `json:"system"`
|
||||
From string `json:"from"`
|
||||
Binary string `json:"binary"`
|
||||
}
|
||||
|
||||
type manifest struct {
|
||||
Module string `json:"module"`
|
||||
Version string `json:"version"`
|
||||
Slug string `json:"slug"`
|
||||
Tools []string `json:"tools"`
|
||||
Emits []string `json:"emits"`
|
||||
Consumes []string `json:"consumes"`
|
||||
State []state `json:"state"`
|
||||
Reads []string `json:"reads"`
|
||||
@@ -87,26 +84,23 @@ func TestManifestDeclarations(t *testing.T) { // 1607/AC1
|
||||
if m.Module != "mesh-delivery-builder" {
|
||||
t.Errorf("module = %q", m.Module)
|
||||
}
|
||||
if want := []state{{Name: "builds", History: 5}, {Name: "instances", History: 1}, {Name: "queues", History: 1}, {Name: "reasks", History: 1}}; !reflect.DeepEqual(m.State, want) { // delivery.BuilderBuildsHistory
|
||||
if want := []state{{Name: "builds", History: 5}, {Name: "instances", History: 1}}; !reflect.DeepEqual(m.State, want) { // delivery.BuilderBuildsHistory
|
||||
t.Errorf("state = %+v, want %+v", m.State, want)
|
||||
}
|
||||
// 1887/A4c: the builder chooses no node, so it reads neither presence nor have, invokes no build module's tool and
|
||||
// holds no capacity; it puts asks on the three build seats and reads their steps (ADR 0525 §1, §4, §5).
|
||||
if want := []string{"mesh-build-go.steps", "mesh-build-go.toolchains", "mesh-build-image.steps", "mesh-build-node.steps", "mesh-build-node.toolchains", "mesh-controller.assignments",
|
||||
"mesh-delivery-gate.source", "mesh-delivery-indexer.candidates", "mesh-delivery-indexer.manifests", "mesh-delivery-indexer.modules"}; !reflect.DeepEqual(sorted(m.Reads), want) {
|
||||
if want := []string{"mesh-build-go.steps", "mesh-build-go.toolchains", "mesh-build-image.steps", "mesh-build-node.steps", "mesh-build-node.toolchains",
|
||||
"mesh-delivery-indexer.candidates", "mesh-delivery-indexer.manifests", "mesh-delivery-indexer.modules"}; !reflect.DeepEqual(sorted(m.Reads), want) {
|
||||
t.Errorf("reads = %v, want %v", m.Reads, want)
|
||||
}
|
||||
if want := []string{"node-build-go", "node-build-image", "node-build-node"}; !reflect.DeepEqual(sorted(m.Uses), want) {
|
||||
t.Errorf("uses = %v, want the three build seats", m.Uses)
|
||||
}
|
||||
// 1937/AC3: the builder asks the controller whether the artifact store still holds a done key's blobs (held), and no
|
||||
// other tool; it holds no capacity.
|
||||
if want := []string{"seat:mesh-controller.held"}; !reflect.DeepEqual(m.Invokes, want) || len(m.Config) != 0 {
|
||||
t.Errorf("invokes = %v, config = %v, want %v and no config", m.Invokes, m.Config, want)
|
||||
if len(m.Invokes) != 0 || len(m.Config) != 0 {
|
||||
t.Errorf("invokes = %v, config = %v, want none: no tool call from the builder and no capacity", m.Invokes, m.Config)
|
||||
}
|
||||
// The builder is woken by a build module's report of a toolchain, as the indexer is: the bucket may not exist when it
|
||||
// starts; and by the controller's artifacts-gone, a take-in refused for a gone blob (1937/AC4).
|
||||
if want := []string{"mesh-build-go.toolchain.reported", "mesh-build-node.toolchain.reported", "mesh-controller.artifacts-gone"}; !reflect.DeepEqual(sorted(m.Consumes), want) {
|
||||
// The builder is woken by a build module's report of a toolchain, as the indexer is: the bucket may not exist when it starts.
|
||||
if want := []string{"mesh-build-go.toolchain.reported", "mesh-build-node.toolchain.reported"}; !reflect.DeepEqual(sorted(m.Consumes), want) {
|
||||
t.Errorf("consumes = %v, want %v", m.Consumes, want)
|
||||
}
|
||||
if b, ok := m.OwnSecrets["broker"]; !ok || len(m.OwnSecrets) != 1 || b != "${dir:state}/broker" {
|
||||
@@ -115,14 +109,7 @@ func TestManifestDeclarations(t *testing.T) { // 1607/AC1
|
||||
if m.SecretsOwner != "mesh-delivery-builder" {
|
||||
t.Errorf("secrets-owner = %q", m.SecretsOwner)
|
||||
}
|
||||
// 1945: the builder's tools (builder_seat_queue: note 62), served by its tools bundle, and the event it says when it asks an ask again.
|
||||
if want := []string{"builder_ask_again", "builder_seat_queue", "builder_stuck"}; !reflect.DeepEqual(sorted(m.Tools), want) {
|
||||
t.Errorf("tools = %v, want %v", m.Tools, want)
|
||||
}
|
||||
if want := []string{"build.asked-again"}; !reflect.DeepEqual(m.Emits, want) {
|
||||
t.Errorf("emits = %v, want %v", m.Emits, want)
|
||||
}
|
||||
for _, k := range []string{"streams", "logs", "claims", "provides", "requires", "defines-seats", "seat", "seats", "bus", "config"} {
|
||||
for _, k := range []string{"streams", "logs", "emits", "claims", "provides", "requires", "defines-seats", "tools", "seat", "seats", "bus", "invokes", "config"} {
|
||||
if _, ok := top[k]; ok {
|
||||
t.Errorf("the manifest declares %q: the builder has none", k)
|
||||
}
|
||||
@@ -137,7 +124,7 @@ func TestManifestProcess(t *testing.T) { // 1607/AC1
|
||||
procs = append(procs, r)
|
||||
}
|
||||
if r["type"] == "tool" || r["type"] == "seat" {
|
||||
t.Errorf("resource %v: the builder's tools are its bundle's, and it holds no seat", r)
|
||||
t.Errorf("resource %v: the builder serves no tool and holds no seat", r)
|
||||
}
|
||||
}
|
||||
if len(procs) != 1 {
|
||||
@@ -159,13 +146,8 @@ func TestManifestProcess(t *testing.T) { // 1607/AC1
|
||||
if _, bus := p["bus"]; bus {
|
||||
t.Errorf("the process declares a bus: it runs on its own broker credential")
|
||||
}
|
||||
if len(m.Build.Artifacts) != 2 {
|
||||
t.Fatalf("artifacts = %+v, want the program and the tools", m.Build.Artifacts)
|
||||
}
|
||||
if a := m.Build.Artifacts[1]; a.Name != "tools" || a.Kind != "bundle" || a.Binary != "mesh-delivery-builder-tools" || !reflect.DeepEqual(a.Loads, []string{"mesh-delivery-builder-tools"}) {
|
||||
t.Errorf("tools artifact = %+v", a) // 1945
|
||||
} else if st, err := os.Stat(a.From); err != nil || !st.IsDir() {
|
||||
t.Errorf("the tools' source %s: %v", a.From, err)
|
||||
if len(m.Build.Artifacts) != 1 {
|
||||
t.Fatalf("artifacts = %+v, want the program alone", m.Build.Artifacts)
|
||||
}
|
||||
a := m.Build.Artifacts[0]
|
||||
if st, err := os.Stat(a.From); err != nil || !st.IsDir() || a.Binary != "mesh-delivery-builder" || !strings.HasSuffix(a.From, a.Binary) || a.Kind != "bundle" || a.Language != "go" {
|
||||
|
||||
@@ -2,27 +2,13 @@
|
||||
"module": "mesh-delivery-builder",
|
||||
"version": "1",
|
||||
"slug": "builder",
|
||||
"tools": [
|
||||
"builder_ask_again",
|
||||
"builder_seat_queue",
|
||||
"builder_stuck"
|
||||
],
|
||||
"emits": [
|
||||
"build.asked-again"
|
||||
],
|
||||
"consumes": [
|
||||
"mesh-build-go.toolchain.reported",
|
||||
"mesh-build-node.toolchain.reported",
|
||||
"mesh-controller.artifacts-gone"
|
||||
],
|
||||
"invokes": [
|
||||
"seat:mesh-controller.held"
|
||||
"mesh-build-node.toolchain.reported"
|
||||
],
|
||||
"state": [
|
||||
{ "name": "builds", "history": 5 },
|
||||
{ "name": "instances", "history": 1 },
|
||||
{ "name": "queues", "history": 1 },
|
||||
{ "name": "reasks", "history": 1 }
|
||||
{ "name": "instances", "history": 1 }
|
||||
],
|
||||
"reads": [
|
||||
"mesh-build-go.steps",
|
||||
@@ -30,8 +16,6 @@
|
||||
"mesh-build-image.steps",
|
||||
"mesh-build-node.steps",
|
||||
"mesh-build-node.toolchains",
|
||||
"mesh-controller.assignments",
|
||||
"mesh-delivery-gate.source",
|
||||
"mesh-delivery-indexer.candidates",
|
||||
"mesh-delivery-indexer.manifests",
|
||||
"mesh-delivery-indexer.modules"
|
||||
@@ -88,17 +72,6 @@
|
||||
"system": "arch",
|
||||
"from": "cmd/mesh-delivery-builder",
|
||||
"binary": "mesh-delivery-builder"
|
||||
},
|
||||
{
|
||||
"name": "tools",
|
||||
"kind": "bundle",
|
||||
"language": "go",
|
||||
"system": "arch",
|
||||
"from": "cmd/mesh-delivery-builder-tools",
|
||||
"binary": "mesh-delivery-builder-tools",
|
||||
"loads": [
|
||||
"mesh-delivery-builder-tools"
|
||||
]
|
||||
}
|
||||
]
|
||||
}
|
||||
|
||||
@@ -1 +0,0 @@
|
||||
These tests read files outside this directory (the whole catalogue, the repository, or its root files): mesh-build-go never keeps this package's verdict (issue 1935).
|
||||
@@ -7,7 +7,6 @@ import (
|
||||
"encoding/json"
|
||||
"fmt"
|
||||
"os"
|
||||
"sync/atomic"
|
||||
"time"
|
||||
|
||||
stdio "git.novox.be/novox/mesh-sdk/go"
|
||||
@@ -16,35 +15,8 @@ import (
|
||||
"mesh-delivery-checker/internal/check"
|
||||
)
|
||||
|
||||
// reads counts the values this call read from the bus: the runtime launches the tools for one call, so the count is the call's.
|
||||
var reads atomic.Int64
|
||||
|
||||
// cutAnswer says in the answer that it was cut, and how to narrow it.
|
||||
func cutAnswer(answer map[string]any, cut string) map[string]any {
|
||||
if cut != "" {
|
||||
answer["cut"], answer["note"] = true, cut
|
||||
}
|
||||
return answer
|
||||
}
|
||||
|
||||
// logged runs every tool with one line to stderr per call: the tool, the values it read and the time it took.
|
||||
func logged(tools []stdio.Tool) []stdio.Tool {
|
||||
for i := range tools {
|
||||
name, run := tools[i].Name, tools[i].Run
|
||||
tools[i].Run = func(args map[string]any) (any, error) {
|
||||
reads.Store(0)
|
||||
start := time.Now()
|
||||
out, err := run(args)
|
||||
fmt.Fprintf(os.Stderr, "[mesh-delivery-checker-tools] %s read %d values in %s (error: %v)\n", name, reads.Load(), time.Since(start).Round(time.Millisecond), err)
|
||||
return out, err
|
||||
}
|
||||
}
|
||||
return tools
|
||||
}
|
||||
|
||||
func read(s stdio.KeptState) check.StateRead {
|
||||
return check.StateRead{Keys: s.Keys, Get: func(key string) (json.RawMessage, error) {
|
||||
reads.Add(1)
|
||||
e, err := s.Get(key)
|
||||
if err != nil || e == nil {
|
||||
return nil, err
|
||||
@@ -128,8 +100,8 @@ func Tools(r check.Reader) []stdio.Tool {
|
||||
"group": map[string]any{"type": "string", "description": "the delivery group's branch name"}}},
|
||||
Run: func(args map[string]any) (any, error) {
|
||||
group, _ := args["group"].(string)
|
||||
vs, cut, err := r.Verdicts(group)
|
||||
return cutAnswer(map[string]any{"verdicts": vs}, cut), err
|
||||
vs, err := r.Verdicts(group)
|
||||
return map[string]any{"verdicts": vs}, err
|
||||
}},
|
||||
{Name: check.PullReadTool,
|
||||
Description: "The verdict that judges one pull request and the full report of its status mesh/check. Read-only.",
|
||||
@@ -150,8 +122,8 @@ func Tools(r check.Reader) []stdio.Tool {
|
||||
Run: func(args map[string]any) (any, error) {
|
||||
level, _ := args["level"].(string)
|
||||
digest, _ := args["digest"].(string)
|
||||
kept, cut, err := r.Kept(level, digest)
|
||||
return cutAnswer(map[string]any{"kept": kept}, cut), err
|
||||
kept, err := r.Kept(level, digest)
|
||||
return map[string]any{"kept": kept}, err
|
||||
}},
|
||||
{Name: check.PreviewsReadTool,
|
||||
Description: "The merge previews the checker holds, each as stored under previews.<repository>.<head>.<trunk>: the merge commit, per module directory " +
|
||||
@@ -166,8 +138,8 @@ func Tools(r check.Reader) []stdio.Tool {
|
||||
if head != "" && len(head) < 7 {
|
||||
return nil, fmt.Errorf("the head %q is too short: give at least 7 characters", head)
|
||||
}
|
||||
ps, bad, cut, err := r.Previews(repository, head)
|
||||
return cutAnswer(map[string]any{"previews": ps, "unreadable": bad}, cut), err
|
||||
ps, bad, err := r.Previews(repository, head)
|
||||
return map[string]any{"previews": ps, "unreadable": bad}, err
|
||||
}},
|
||||
{Name: check.StatusReadTool,
|
||||
Description: "What runs: the steps in flight on the build modules by node, the candidates without a verdict for their heads, " +
|
||||
@@ -212,7 +184,7 @@ func main() {
|
||||
}},
|
||||
Trunks: trunks,
|
||||
}
|
||||
if err := stdio.Serve("", logged(append(Tools(r), TryTools(trying)...))); err != nil {
|
||||
if err := stdio.Serve("", append(Tools(r), TryTools(trying)...)); err != nil {
|
||||
fmt.Fprintf(os.Stderr, "[mesh-delivery-checker-tools] %v\n", err)
|
||||
os.Exit(1)
|
||||
}
|
||||
|
||||
@@ -121,12 +121,5 @@ func (m manifestReader) Manifest(ctx context.Context, digest string) (catalogue.
|
||||
if err != nil {
|
||||
return catalogue.Manifest{}, err
|
||||
}
|
||||
return parseManifest(kept.JSON)
|
||||
}
|
||||
|
||||
// parseManifest reads a manifest the indexer kept as the indexer and the assigner read it (issues 1751, 1906): a config value that
|
||||
// falls back to a predefined key is judged by the merge gate in the catalogue, against the predefined.json at its root that this
|
||||
// process never holds, so it is not unreadable here (novox/hq ADR 0348 §7).
|
||||
func parseManifest(raw string) (catalogue.Manifest, error) {
|
||||
return catalogue.ParseManifestForInputs([]byte(raw))
|
||||
return catalogue.ParseManifest([]byte(kept.JSON))
|
||||
}
|
||||
|
||||
@@ -20,8 +20,6 @@ const (
|
||||
getFileTool = "gitea.gitea_get_file"
|
||||
compareTool = "gitea.gitea_compare"
|
||||
commitsTool = "gitea.gitea_commits"
|
||||
// gitea_list_branches answers {branches: [{name, commit}]}, every branch with the commit it points at.
|
||||
branchesTool = "gitea.gitea_list_branches"
|
||||
)
|
||||
|
||||
// notFoundStatus is the 404 of the forge's error, `Gitea API <path>: <status> <body>`.
|
||||
@@ -104,26 +102,3 @@ func (f forgeReads) FullSHA(_ context.Context, repository, commit string) (strin
|
||||
}
|
||||
return a.Commits[0].SHA, nil
|
||||
}
|
||||
|
||||
// BranchHeads is the commit each branch of the repository points at.
|
||||
func (f forgeReads) BranchHeads(_ context.Context, repository string) (map[string]string, error) {
|
||||
owner, repo := ownerRepo(repository)
|
||||
raw, err := f.ask(branchesTool, map[string]string{"owner": owner, "repo": repo})
|
||||
if err != nil {
|
||||
return nil, err
|
||||
}
|
||||
var a struct {
|
||||
Branches *[]struct {
|
||||
Name string `json:"name"`
|
||||
Commit string `json:"commit"`
|
||||
} `json:"branches"`
|
||||
}
|
||||
if err := json.Unmarshal(raw, &a); err != nil || a.Branches == nil {
|
||||
return nil, fmt.Errorf("the answer of %s is not {branches: [{name, commit}]}: %v", branchesTool, err)
|
||||
}
|
||||
heads := map[string]string{}
|
||||
for _, b := range *a.Branches {
|
||||
heads[b.Name] = b.Commit
|
||||
}
|
||||
return heads, nil
|
||||
}
|
||||
|
||||
@@ -10,7 +10,6 @@ import (
|
||||
"io"
|
||||
"os"
|
||||
"path/filepath"
|
||||
"sort"
|
||||
"strings"
|
||||
"sync"
|
||||
"sync/atomic"
|
||||
@@ -82,9 +81,6 @@ type fakeBuildModules struct {
|
||||
mu sync.Mutex
|
||||
calls map[string]int // by `<module>.<tool>`
|
||||
testTool *testing.T
|
||||
// beside is, by workspace, the siblings the fetch placed in it as `<owner/repo> <commit>`, sorted: a digest echoes them
|
||||
// (1929/AC2; mesh-sdk buildstep.besideOf), or the level runs whole and keeps nothing.
|
||||
beside map[string][]string
|
||||
}
|
||||
|
||||
func (f *fakeBuildModules) count(tool string) int {
|
||||
@@ -104,30 +100,10 @@ func (f *fakeBuildModules) result(t *testing.T, tool string, args map[string]any
|
||||
}
|
||||
fetched := readCaptured(t, name)
|
||||
fetched["commit"], fetched["base"] = args["commit"], args["base"]
|
||||
var refs []struct {
|
||||
Repository string `json:"repository"`
|
||||
Commit string `json:"commit"`
|
||||
}
|
||||
raw, _ := json.Marshal(args["beside"])
|
||||
_ = json.Unmarshal(raw, &refs)
|
||||
var lines []string
|
||||
for _, r := range refs {
|
||||
lines = append(lines, r.Repository+" "+r.Commit)
|
||||
}
|
||||
sort.Strings(lines)
|
||||
f.mu.Lock()
|
||||
if f.beside == nil {
|
||||
f.beside = map[string][]string{}
|
||||
}
|
||||
f.beside[fmt.Sprint(fetched["workspace"])] = lines
|
||||
f.mu.Unlock()
|
||||
v = fetched
|
||||
case strings.HasSuffix(tool, "_digest"):
|
||||
d := map[string]string{"unit": digU, "integration": digI}[level]
|
||||
f.mu.Lock()
|
||||
beside := f.beside[fmt.Sprint(args["workspace"])]
|
||||
f.mu.Unlock()
|
||||
v = map[string]any{"level": level, "packages": map[string]string{"fixture/slow": d}, "beside": beside}
|
||||
v = map[string]any{"level": level, "packages": map[string]string{"fixture/slow": d}}
|
||||
case strings.HasSuffix(tool, "_test"):
|
||||
r := readCaptured(t, "go-test-slow")
|
||||
r["level"] = level
|
||||
@@ -312,15 +288,6 @@ func startBed(t *testing.T) *bed {
|
||||
}
|
||||
b.buckets[name] = kv
|
||||
}
|
||||
// 1929/AC1: the indexer's value of the repository's module, with no TypeScript manifest, so the Go build module alone
|
||||
// judges the repository (an unknown repository is judged by both, issue 1887 A12).
|
||||
known, err := delivery.EncodeModule(delivery.Module{Repository: repo, Commit: trunk, Path: "modules/m", None2: "the fingerprint is computed with its chain"})
|
||||
if err != nil {
|
||||
t.Fatal(err)
|
||||
}
|
||||
if _, err := b.buckets[delivery.ModulesBucket].Put(ctx, "m", known); err != nil {
|
||||
t.Fatal(err)
|
||||
}
|
||||
b.setOnline(t, "n1", true)
|
||||
for _, module := range []string{"mesh-build-go", "mesh-build-node"} {
|
||||
b.setHealth(t, "n1", module)
|
||||
@@ -469,7 +436,7 @@ func (b *bed) owed(t *testing.T, number int, head, state string) delivery.Owed {
|
||||
// TestCheckerJudgesACandidateAndOwesItsStatus: a candidate the indexer wrote, one pull request of mesh-delivery, is fetched
|
||||
// merged onto the trunk the gate names, digested and tested at both levels on the node, kept, previewed; the verdict passes
|
||||
// with the counts of both levels and the composition not run, and the status mesh/check is owed on the head as success.
|
||||
func TestCheckerJudgesACandidateAndOwesItsStatus(t *testing.T) { // N6/AC5, 1300/AC5, 1445/AC1, 1929/AC1
|
||||
func TestCheckerJudgesACandidateAndOwesItsStatus(t *testing.T) { // N6/AC5, 1300/AC5, 1445/AC1
|
||||
b := startBed(t)
|
||||
key := b.candidate(t, "feat/x", pull(repo, 7, head1))
|
||||
b.start(t, nil)
|
||||
@@ -509,7 +476,7 @@ func TestCheckerJudgesACandidateAndOwesItsStatus(t *testing.T) { // N6/AC5, 1300
|
||||
|
||||
// TestACheckOfEqualInputsRunsNothing: a second candidate (another head, the same digests) is checked with every package
|
||||
// taken from the first's kept verdicts: no test step runs and no second kept key appears.
|
||||
func TestACheckOfEqualInputsRunsNothing(t *testing.T) { // 1287/AC5, 1288/AC6, 1929/AC2
|
||||
func TestACheckOfEqualInputsRunsNothing(t *testing.T) { // 1287/AC5, 1288/AC6
|
||||
b := startBed(t)
|
||||
first := b.candidate(t, "feat/x", pull(repo, 7, head1))
|
||||
b.start(t, nil)
|
||||
@@ -607,7 +574,7 @@ func TestACheckLeftRunningIsTakenOverWhenTheCheckerStarts(t *testing.T) { // N6/
|
||||
|
||||
// TestAMemberNamingAMeshSDKCommitOffTheTrunkFailsNamingTheCommit: the go.mod the forge answers names a commit that main does not
|
||||
// hold; the verdict fails naming the member and the commit and no test runs (ADR 0484 clause 9).
|
||||
func TestAMemberNamingAMeshSDKCommitOffTheTrunkFailsNamingTheCommit(t *testing.T) { // 1624/AC2, 1929/AC3
|
||||
func TestAMemberNamingAMeshSDKCommitOffTheTrunkFailsNamingTheCommit(t *testing.T) { // 1624/AC2
|
||||
b := startBed(t)
|
||||
b.stalePin.Store(true)
|
||||
key := b.candidate(t, "feat/x", pull(repo, 7, head1))
|
||||
@@ -616,7 +583,9 @@ func TestAMemberNamingAMeshSDKCommitOffTheTrunkFailsNamingTheCommit(t *testing.T
|
||||
if v.State != delivery.VerdictFail || !strings.Contains(v.Failed.Words, "9aaa5c80ac5c") || !strings.Contains(v.Failed.Words, repo+"#7") {
|
||||
t.Fatalf("verdict = %+v", v)
|
||||
}
|
||||
// 1929/AC3: no assertion that no test ran: one ask runs fetch, digest and tests (ADR 0525 §3).
|
||||
if n := b.fake.count("mesh-build-go.build_go_test"); n != 0 {
|
||||
t.Errorf("%d test steps ran after a stale pin", n)
|
||||
}
|
||||
}
|
||||
|
||||
// triesStore is the tries bucket as the tools write it.
|
||||
@@ -702,7 +671,7 @@ func TestTheCheckerSaysOwedReadableOnTheBus(t *testing.T) { // R2-1
|
||||
break
|
||||
}
|
||||
if said.Module != "mesh-delivery-checker" || said.Node != "n1" || !said.Keeps("owed") || !said.Readable("owed") ||
|
||||
!said.Readable("previews") || !said.Readable("verdicts") || !said.Readable("kept") || said.Readable("tries") || len(said.States) != 5 {
|
||||
t.Fatalf("the checker said %+v, want its five states with kept, owed, previews and verdicts readable (1929/AC4; 1887 A5b)", said)
|
||||
!said.Readable("previews") || !said.Readable("verdicts") || said.Readable("kept") || said.Readable("tries") || len(said.States) != 5 {
|
||||
t.Fatalf("the checker said %+v, want its five states with owed, previews and verdicts readable", said)
|
||||
}
|
||||
}
|
||||
|
||||
@@ -6,6 +6,7 @@ import (
|
||||
"strings"
|
||||
"sync"
|
||||
|
||||
"git.novox.be/novox/mesh-sdk/go/catalogue"
|
||||
"git.novox.be/novox/mesh-sdk/go/delivery"
|
||||
"git.novox.be/novox/mesh-sdk/go/delivery/buildrun"
|
||||
|
||||
@@ -92,7 +93,7 @@ func (r *repoModules) Put(ctx context.Context, key string, value []byte, deleted
|
||||
if mk, err := delivery.ManifestsKey(m.Manifest); err == nil {
|
||||
if raw, _, found, err := r.manifests.Get(ctx, mk); err == nil && found {
|
||||
if kept, err := delivery.DecodeManifest(raw); err == nil {
|
||||
if man, err := parseManifest(kept.JSON); err == nil && man.Build != nil {
|
||||
if man, err := catalogue.ParseManifest([]byte(kept.JSON)); err == nil && man.Build != nil {
|
||||
for _, a := range man.Build.Artifacts {
|
||||
if a.Language != "" {
|
||||
set[a.Language] = true
|
||||
@@ -182,8 +183,7 @@ func (r buildReader) Build(ctx context.Context, module, fp2 string) (delivery.Bu
|
||||
return b, err == nil, err
|
||||
}
|
||||
|
||||
// CommitOf is the commit the indexer's record of the module names: the commit its fingerprint first appeared at, so the source
|
||||
// of the build the mesh runs (a later merge that leaves the module alone writes no record, the operator 2026-10-25).
|
||||
// CommitOf is the commit the indexer's record of the module was computed at: the commit of its repository the mesh runs.
|
||||
func (r *repoModules) CommitOf(module string) string {
|
||||
r.mu.Lock()
|
||||
defer r.mu.Unlock()
|
||||
|
||||
@@ -3,7 +3,6 @@ package main
|
||||
import (
|
||||
"context"
|
||||
"encoding/json"
|
||||
"fmt"
|
||||
"os"
|
||||
"strings"
|
||||
"testing"
|
||||
@@ -113,31 +112,3 @@ func TestTheTypeScriptPackagesPathsComeFromTheIndexersModulesNotTheManifest(t *t
|
||||
t.Errorf("another repository: %v", got)
|
||||
}
|
||||
}
|
||||
|
||||
// A manifest whose config value falls back to a predefined key (ADR 0348 §7) is read, not logged as unreadable for the
|
||||
// catalogue's predefined.json this process never holds: the indexer and the assigner read it with
|
||||
// catalogue.ParseManifestForInputs (issues 1751, 1906). xterm's module.json from mesh-catalog at 835bf22b.
|
||||
func TestAManifestFallingBackToAPredefinedKeyIsRead(t *testing.T) {
|
||||
raw, err := os.ReadFile("testdata/catalogue-835bf22b-xterm.module.json")
|
||||
if err != nil {
|
||||
t.Fatal(err)
|
||||
}
|
||||
manifest := string(raw)
|
||||
data, err := delivery.EncodeManifest(delivery.Manifest{Module: "xterm", JSON: manifest})
|
||||
if err != nil {
|
||||
t.Fatal(err)
|
||||
}
|
||||
store := memManifests{delivery.ManifestDigest([]byte(manifest)): data}
|
||||
var said []string
|
||||
r := &repoModules{manifests: store, logf: func(f string, a ...any) { said = append(said, fmt.Sprintf(f, a...)) }}
|
||||
putModule(t, r, "xterm", "novox/mesh-catalog", manifest)
|
||||
r.BuildModules("novox/mesh-catalog")
|
||||
for _, s := range said {
|
||||
if strings.Contains(s, "cannot be read") {
|
||||
t.Errorf("the manifest was not read: %s", s)
|
||||
}
|
||||
}
|
||||
if _, err := parseManifest(manifest); err != nil {
|
||||
t.Errorf("manifestReader: %v", err)
|
||||
}
|
||||
}
|
||||
|
||||
@@ -152,12 +152,17 @@ func run(ctx context.Context, getenv func(string) string, logOut io.Writer) erro
|
||||
if err != nil {
|
||||
return err
|
||||
}
|
||||
// Its own states, the candidates it checks, and the modules and manifests that say which build modules judge a repository:
|
||||
// a check without one of them would be wrong or unwritten, so each stops the start, naming its grant (issue 1945).
|
||||
bucket := func(name string) (jetstream.KeyValue, error) {
|
||||
kv, err := js.KeyValue(ctx, name)
|
||||
if err != nil {
|
||||
return nil, fmt.Errorf("the bucket %s: %w", name, err)
|
||||
}
|
||||
return kv, nil
|
||||
}
|
||||
buckets := map[string]jetstream.KeyValue{}
|
||||
for _, name := range []string{delivery.CheckerVerdictsBucket, delivery.CheckerKeptBucket, delivery.CheckerOwedBucket, delivery.PreviewsBucket,
|
||||
delivery.CandidatesBucket, delivery.ModulesBucket, delivery.ManifestsBucket, check.TriesBucket} {
|
||||
if buckets[name], err = process.EssentialBucket(ctx, js, "checker", name, "judge or keep a check"); err != nil {
|
||||
if buckets[name], err = bucket(name); err != nil {
|
||||
return err
|
||||
}
|
||||
}
|
||||
@@ -207,7 +212,12 @@ func run(ctx context.Context, getenv func(string) string, logOut io.Writer) erro
|
||||
// The builder's builds say how the candidates' fingerprints stand (issue 1684); where its bucket is not there yet the line
|
||||
// says nothing of the builds, until the checker starts again.
|
||||
var builds check.BuildStates
|
||||
if kv := process.OptionalBucket(ctx, js, delivery.BuilderBuildsBucket, "the line says nothing of the builds until the checker starts again", logger.Printf); kv != nil {
|
||||
switch kv, err := js.KeyValue(ctx, delivery.BuilderBuildsBucket); {
|
||||
case errors.Is(err, jetstream.ErrBucketNotFound):
|
||||
logger.Printf("the bucket %s does not exist yet: the line says nothing of the builds until the checker starts again", delivery.BuilderBuildsBucket)
|
||||
case err != nil:
|
||||
return fmt.Errorf("the bucket %s: %w", delivery.BuilderBuildsBucket, err)
|
||||
default:
|
||||
builds = buildReader{kvStore{kv}}
|
||||
}
|
||||
// The assigner's compositions (ADR 0528 clause 5, issue 1297): their bucket is looked up at each check until it is
|
||||
@@ -247,14 +257,6 @@ func run(ctx context.Context, getenv func(string) string, logOut io.Writer) erro
|
||||
|
||||
// The toolchains first, so a check that starts from the first candidate finds the nodes.
|
||||
watch := newToolchainWatch(ctx, js, tools, ch.NodesChanged, logger)
|
||||
// Only the toolchain reports of nodes the build module is assigned to count (issue 1940): the controller's
|
||||
// assignments are settled first, so the toolchains settle through the gate already knowing them.
|
||||
gate := newToolchainGate([]string{buildrun.GoBuildModule, buildrun.NodeBuildModule}, tools.Put, logger.Printf)
|
||||
watch.put = gate.Toolchain
|
||||
assignErrs, err := watchAssignments(ctx, js, gate, ch.NodesChanged, logger)
|
||||
if err != nil {
|
||||
return err
|
||||
}
|
||||
if err := watch.start(); err != nil {
|
||||
return err
|
||||
}
|
||||
@@ -280,38 +282,47 @@ func run(ctx context.Context, getenv func(string) string, logOut io.Writer) erro
|
||||
// the assigner's own presence says whether a composition is being made (compositionWatch, ADR 0537 §4). A check is no
|
||||
// longer held for a node: its asks wait in the build seats' streams, which redeliver a lost node's ask (ADR 0525 §6,
|
||||
// issue 1912), so the node-engine's have is not watched here.
|
||||
if kv := process.OptionalBucket(ctx, js, delivery.PresenceBucket, "no node counts as online until the checker starts again", logger.Printf); kv != nil {
|
||||
if pw, err := settle(ctx, kv, func(e jetstream.KeyValueEntry) { presence.Put(e.Key(), e.Value(), !opOf(e)) }); err != nil {
|
||||
process.NotWatched(logger.Printf, delivery.PresenceBucket, err, "no node counts as online until the checker starts again")
|
||||
} else {
|
||||
go func() {
|
||||
errs <- follow(ctx, pw, func(e jetstream.KeyValueEntry) {
|
||||
if presence.Put(e.Key(), e.Value(), !opOf(e)) {
|
||||
ch.NodesChanged(ctx) // a node came online or went: a check whose forge was not heard may now be heard
|
||||
}
|
||||
})
|
||||
}()
|
||||
switch kv, err := js.KeyValue(ctx, delivery.PresenceBucket); {
|
||||
case errors.Is(err, jetstream.ErrBucketNotFound):
|
||||
logger.Printf("the bucket %s does not exist yet: no node counts as online until the checker starts again", delivery.PresenceBucket)
|
||||
case err != nil:
|
||||
return fmt.Errorf("the bucket %s: %w", delivery.PresenceBucket, err)
|
||||
default:
|
||||
pw, err := settle(ctx, kv, func(e jetstream.KeyValueEntry) { presence.Put(e.Key(), e.Value(), !opOf(e)) })
|
||||
if err != nil {
|
||||
return err
|
||||
}
|
||||
go func() {
|
||||
errs <- follow(ctx, pw, func(e jetstream.KeyValueEntry) {
|
||||
if presence.Put(e.Key(), e.Value(), !opOf(e)) {
|
||||
ch.NodesChanged(ctx) // a node came online or went: a check whose forge was not heard may now be heard
|
||||
}
|
||||
})
|
||||
}()
|
||||
}
|
||||
// The gate's source says the trunk head of each repository, which a pull request is merged onto. Where it is not there
|
||||
// yet no trunk is known, so nothing is checked.
|
||||
if kv := process.OptionalBucket(ctx, js, delivery.SourceBucket, "no trunk is known, so nothing is checked until the checker starts again", logger.Printf); kv != nil {
|
||||
switch kv, err := js.KeyValue(ctx, delivery.SourceBucket); {
|
||||
case errors.Is(err, jetstream.ErrBucketNotFound):
|
||||
logger.Printf("the bucket %s does not exist yet: no trunk is known until the checker starts again", delivery.SourceBucket)
|
||||
case err != nil:
|
||||
return fmt.Errorf("the bucket %s: %w", delivery.SourceBucket, err)
|
||||
default:
|
||||
sw, err := settle(ctx, kv, func(e jetstream.KeyValueEntry) {
|
||||
if e.Key() == delivery.SourceMainKey {
|
||||
trunks.Put(e.Value(), !opOf(e))
|
||||
}
|
||||
})
|
||||
if err != nil {
|
||||
process.NotWatched(logger.Printf, delivery.SourceBucket, err, "no trunk is known, so nothing is checked until the checker starts again")
|
||||
} else {
|
||||
go func() {
|
||||
errs <- follow(ctx, sw, func(e jetstream.KeyValueEntry) {
|
||||
if e.Key() == delivery.SourceMainKey && trunks.Put(e.Value(), !opOf(e)) {
|
||||
ch.TrunkMoved(ctx) // the trunk moved: its statuses go pending, and a verdict for the old trunk is judged again
|
||||
}
|
||||
})
|
||||
}()
|
||||
return err
|
||||
}
|
||||
go func() {
|
||||
errs <- follow(ctx, sw, func(e jetstream.KeyValueEntry) {
|
||||
if e.Key() == delivery.SourceMainKey && trunks.Put(e.Value(), !opOf(e)) {
|
||||
ch.TrunkMoved(ctx) // the trunk moved: its statuses go pending, and a verdict for the old trunk is judged again
|
||||
}
|
||||
})
|
||||
}()
|
||||
}
|
||||
// The modules say which repository holds a TypeScript module, so the Node build module judges it too.
|
||||
mw, err := settle(ctx, buckets[delivery.ModulesBucket], func(e jetstream.KeyValueEntry) { repos.Put(ctx, e.Key(), e.Value(), !opOf(e)) })
|
||||
@@ -358,8 +369,6 @@ func run(ctx context.Context, getenv func(string) string, logOut io.Writer) erro
|
||||
return nil
|
||||
case err := <-errs:
|
||||
return err
|
||||
case err := <-assignErrs:
|
||||
return err
|
||||
case err := <-watch.errs:
|
||||
return err
|
||||
}
|
||||
|
||||
@@ -1,211 +0,0 @@
|
||||
package main
|
||||
|
||||
// This file is the same in mesh-delivery-indexer, mesh-delivery-builder and mesh-delivery-checker (issue 1940): it moves
|
||||
// to mesh-sdk go/delivery/buildrun once mesh-sdk can be delivered again, since a change of mesh-sdk waits on the very
|
||||
// toolchain agreement this file repairs.
|
||||
|
||||
import (
|
||||
"context"
|
||||
"encoding/json"
|
||||
"fmt"
|
||||
"log"
|
||||
"maps"
|
||||
"slices"
|
||||
"strings"
|
||||
"sync"
|
||||
"time"
|
||||
|
||||
"github.com/nats-io/nats.go/jetstream"
|
||||
|
||||
"git.novox.be/novox/mesh-sdk/go/delivery"
|
||||
"git.novox.be/novox/mesh-sdk/go/provider"
|
||||
)
|
||||
|
||||
// A build module writes <node>.<language> of its toolchains state on every node it runs on, and nothing deletes the key
|
||||
// when the module is unassigned from a node: the controller writes no module's state, and the module is gone. A report of
|
||||
// a node the build module no longer runs on is therefore not a builder (issue 1940: mesh-build-node unassigned from ace
|
||||
// on 2026-10-23 left ace.typescript at v26.12.0, and every Node fingerprint said "builders disagree").
|
||||
//
|
||||
// toolchainGate stands between the toolchains buckets and what takes their entries in (the indexer's PutToolchain, a
|
||||
// buildrun.ToolchainSet): an entry is passed on only while the controller's assignments (mesh-controller_assignments,
|
||||
// key <node>.<module>) hold an open assignment of its build module on its node, and only once it was written since that
|
||||
// assignment; it is passed on as deleted otherwise, said once, and passed on when its node writes it again. A report
|
||||
// written before the assignment is the one an earlier run of the module left (issue 1940, 2026-10-25 20:56: mesh-build-node
|
||||
// assigned to ace again brought ace.typescript v26.12.0 of 2026-10-23 back into the agreement, before the module ran
|
||||
// there, and the controller's take-in refused every module "builders disagree"). Until the assignments are settled (or where they cannot
|
||||
// be read) every entry is passed on, as before. Builders that run and report different versions still disagree: that
|
||||
// refusal is the guard of novox/hq ADR 0465, and it stays.
|
||||
type toolchainGate struct {
|
||||
mu sync.Mutex
|
||||
modules map[string]bool // the build modules whose toolchains pass the gate
|
||||
forward func(module, key string, value []byte, deleted bool) bool // answers whether it changed what it holds
|
||||
logf func(format string, a ...any)
|
||||
known bool // the assignments are settled
|
||||
standing map[string]time.Time // <node>.<module> with an open assignment -> since when it stands
|
||||
raw map[string]map[string][]byte // module -> toolchains key -> value, as the bucket holds it
|
||||
left map[string]string // <module>/<key> -> why it was said left out, so each reason is said once
|
||||
}
|
||||
|
||||
func newToolchainGate(modules []string, forward func(module, key string, value []byte, deleted bool) bool, logf func(string, ...any)) *toolchainGate {
|
||||
g := &toolchainGate{modules: map[string]bool{}, forward: forward, logf: logf, standing: map[string]time.Time{},
|
||||
raw: map[string]map[string][]byte{}, left: map[string]string{}}
|
||||
for _, m := range modules {
|
||||
g.modules[m] = true
|
||||
}
|
||||
return g
|
||||
}
|
||||
|
||||
// Toolchain takes one change of a build module's toolchains bucket in and answers whether what it passed on changed.
|
||||
func (g *toolchainGate) Toolchain(module, key string, value []byte, deleted bool) bool {
|
||||
g.mu.Lock()
|
||||
defer g.mu.Unlock()
|
||||
if g.raw[module] == nil {
|
||||
g.raw[module] = map[string][]byte{}
|
||||
}
|
||||
if deleted {
|
||||
delete(g.raw[module], key)
|
||||
} else {
|
||||
g.raw[module][key] = value
|
||||
}
|
||||
return g.pass(module, key)
|
||||
}
|
||||
|
||||
// Assignment takes one change of the controller's assignments in (at is when the bus wrote that revision) and answers
|
||||
// whether what it passed on changed.
|
||||
func (g *toolchainGate) Assignment(key string, value []byte, deleted bool, at time.Time) bool {
|
||||
node, module, ok := strings.Cut(key, ".")
|
||||
if !ok || !g.modules[module] {
|
||||
return false
|
||||
}
|
||||
assigned, open := openAssignment(value)
|
||||
open = open && !deleted
|
||||
g.mu.Lock()
|
||||
defer g.mu.Unlock()
|
||||
was, stood := g.standing[key]
|
||||
since := assigned
|
||||
if since.IsZero() {
|
||||
// A value with no time of its own (an assignment a module pulled in) stands since the revision that opened it.
|
||||
since = at
|
||||
if stood {
|
||||
since = was
|
||||
}
|
||||
}
|
||||
if open == stood && (!open || since.Equal(was)) {
|
||||
return false
|
||||
}
|
||||
if open {
|
||||
g.standing[key] = since
|
||||
} else {
|
||||
delete(g.standing, key)
|
||||
}
|
||||
if !g.known {
|
||||
return false
|
||||
}
|
||||
changed := false
|
||||
for _, k := range slices.Sorted(maps.Keys(g.raw[module])) {
|
||||
if n, _, err := delivery.ParseToolchainKey(k); err == nil && n == node {
|
||||
changed = g.pass(module, k) || changed
|
||||
}
|
||||
}
|
||||
return changed
|
||||
}
|
||||
|
||||
// Settled says the assignments are read: from now on only the reports of assigned nodes pass. It answers whether what it
|
||||
// passed on changed.
|
||||
func (g *toolchainGate) Settled() bool {
|
||||
g.mu.Lock()
|
||||
defer g.mu.Unlock()
|
||||
g.known = true
|
||||
changed := false
|
||||
for _, module := range slices.Sorted(maps.Keys(g.raw)) {
|
||||
for _, k := range slices.Sorted(maps.Keys(g.raw[module])) {
|
||||
changed = g.pass(module, k) || changed
|
||||
}
|
||||
}
|
||||
return changed
|
||||
}
|
||||
|
||||
// pass hands one key on as it stands: its value when its node is assigned and wrote it since (or the assignments are not
|
||||
// known), deleted otherwise. The caller holds mu.
|
||||
func (g *toolchainGate) pass(module, key string) bool {
|
||||
value, held := g.raw[module][key]
|
||||
if !held {
|
||||
return g.forward(module, key, nil, true)
|
||||
}
|
||||
node, _, err := delivery.ParseToolchainKey(key)
|
||||
why := ""
|
||||
if err == nil && g.known {
|
||||
why = g.leftOut(module, node, value)
|
||||
}
|
||||
if why == "" {
|
||||
delete(g.left, module+"/"+key)
|
||||
return g.forward(module, key, value, false)
|
||||
}
|
||||
if g.left[module+"/"+key] != why {
|
||||
g.left[module+"/"+key] = why
|
||||
g.logf("%s.%s is left out of the agreed toolchain: %s (issue 1940)", delivery.ToolchainsBucket(module), key, why)
|
||||
}
|
||||
return g.forward(module, key, nil, true)
|
||||
}
|
||||
|
||||
// leftOut is why a node's report is no builder's, or empty when it counts: its node has no open assignment of the module,
|
||||
// or the report was written before that assignment. A value that is no toolchain is passed on for its reader to refuse.
|
||||
// The caller holds mu.
|
||||
func (g *toolchainGate) leftOut(module, node string, value []byte) string {
|
||||
since, open := g.standing[node+"."+module]
|
||||
if !open {
|
||||
return fmt.Sprintf("%s has no assignment on %s, so it is no builder", module, node)
|
||||
}
|
||||
tc, err := delivery.DecodeToolchain(value)
|
||||
if err == nil && tc.At.Before(since) {
|
||||
return fmt.Sprintf("it was written at %s, before %s's assignment on %s at %s: it counts once %s writes it again",
|
||||
tc.At.UTC().Format(time.RFC3339), module, node, since.UTC().Format(time.RFC3339), node)
|
||||
}
|
||||
return ""
|
||||
}
|
||||
|
||||
// openAssignment is whether a value of the controller's assignments holds an assignment that stands (one that has not
|
||||
// ended and has no state: a pending one is not on the machine yet; mesh-controller internal/chain Assignment), and when
|
||||
// it was assigned, zero where the value does not say.
|
||||
func openAssignment(value []byte) (time.Time, bool) {
|
||||
var a struct {
|
||||
Assigned time.Time `json:"assigned"`
|
||||
Ended time.Time `json:"ended"`
|
||||
State string `json:"state"`
|
||||
}
|
||||
if json.Unmarshal(value, &a) != nil {
|
||||
return time.Time{}, false
|
||||
}
|
||||
return a.Assigned, a.Ended.IsZero() && a.State == ""
|
||||
}
|
||||
|
||||
// watchAssignments settles the controller's assignments into the gate, says them settled, and follows them; changed is
|
||||
// told whenever what the gate passes on changed. Where the bucket cannot be read (not there, or this module may not read
|
||||
// it) it says so and the gate passes every report on, as before; an error of the watch after that ends on the channel.
|
||||
func watchAssignments(ctx context.Context, js bucketOpener, gate *toolchainGate, changed func(context.Context), logger *log.Logger) (<-chan error, error) {
|
||||
errs := make(chan error, 1)
|
||||
kv, err := js.KeyValue(ctx, provider.AssignmentsBucket)
|
||||
if err != nil {
|
||||
// Not fatal: an indexer, builder or checker that stops for it stops every delivery (a grant comes with a delivery).
|
||||
logger.Printf("the bucket %s cannot be read, so every node's toolchain report counts, an unassigned build node's too (issue 1940): %v", provider.AssignmentsBucket, err)
|
||||
return errs, nil
|
||||
}
|
||||
each := func(e jetstream.KeyValueEntry) { gate.Assignment(e.Key(), e.Value(), !opOf(e), e.Created()) }
|
||||
w, err := settle(ctx, kv, each)
|
||||
if err != nil {
|
||||
// Not fatal either (issue 1945): a watch the bus refuses is the same missing grant as a refused read.
|
||||
logger.Printf("the bucket %s cannot be watched, so every node's toolchain report counts, an unassigned build node's too (issue 1940): %v", provider.AssignmentsBucket, err)
|
||||
return errs, nil
|
||||
}
|
||||
if gate.Settled() {
|
||||
changed(ctx)
|
||||
}
|
||||
go func() {
|
||||
errs <- follow(ctx, w, func(e jetstream.KeyValueEntry) {
|
||||
if gate.Assignment(e.Key(), e.Value(), !opOf(e), e.Created()) {
|
||||
changed(ctx)
|
||||
}
|
||||
})
|
||||
}()
|
||||
return errs, nil
|
||||
}
|
||||
@@ -1,218 +0,0 @@
|
||||
package main
|
||||
|
||||
// The same in mesh-delivery-indexer, mesh-delivery-builder and mesh-delivery-checker, as standing.go is (issue 1940).
|
||||
|
||||
import (
|
||||
"bytes"
|
||||
"context"
|
||||
"errors"
|
||||
"fmt"
|
||||
"log"
|
||||
"strings"
|
||||
"testing"
|
||||
"time"
|
||||
|
||||
"git.novox.be/novox/mesh-sdk/go/process"
|
||||
|
||||
"github.com/nats-io/nats.go/jetstream"
|
||||
|
||||
"git.novox.be/novox/mesh-sdk/go/delivery"
|
||||
"git.novox.be/novox/mesh-sdk/go/delivery/buildrun"
|
||||
)
|
||||
|
||||
func gateReport(t *testing.T, node, version string) (string, []byte) {
|
||||
t.Helper()
|
||||
key, err := delivery.ToolchainKey(node, "typescript")
|
||||
if err != nil {
|
||||
t.Fatal(err)
|
||||
}
|
||||
value, err := delivery.EncodeToolchain(delivery.Toolchain{Language: "typescript", Version: version, Recipe: "f59571cf4be75adf", At: time.Unix(0, 0).UTC()})
|
||||
if err != nil {
|
||||
t.Fatal(err)
|
||||
}
|
||||
return key, value
|
||||
}
|
||||
|
||||
func agreedOf(set *buildrun.ToolchainSet) (string, string) {
|
||||
tc, none := delivery.AgreedToolchain(set.Entries("typescript"))
|
||||
return tc.Version, none
|
||||
}
|
||||
|
||||
// The live case of issue 1940: mesh-build-node was unassigned from ace, whose report stayed at v26.12.0 while the
|
||||
// three nodes it runs on report v26.12.1. Without the assignments every report counts (and they disagree); with them
|
||||
// ace's is left out and the three agree; assigned to ace again, its report counts again and the guard refuses again.
|
||||
func TestAnUnassignedBuildNodesReportIsNoBuilder(t *testing.T) {
|
||||
set := &buildrun.ToolchainSet{}
|
||||
var said []string
|
||||
gate := newToolchainGate([]string{buildrun.GoBuildModule, buildrun.NodeBuildModule}, set.Put, func(f string, a ...any) { said = append(said, f) })
|
||||
for node, version := range map[string]string{"ace": "v26.12.0", "g14": "v26.12.1", "novox": "v26.12.1", "shanks": "v26.12.1"} {
|
||||
key, value := gateReport(t, node, version)
|
||||
gate.Toolchain(buildrun.NodeBuildModule, key, value, false)
|
||||
}
|
||||
if _, none := agreedOf(set); !strings.HasPrefix(none, "builders disagree") {
|
||||
t.Fatalf("before the assignments are read every report counts, so they disagree; got %q", none)
|
||||
}
|
||||
for _, node := range []string{"g14", "novox", "shanks"} {
|
||||
gate.Assignment(node+"."+buildrun.NodeBuildModule, []byte(`{"node":"`+node+`","module":"mesh-build-node"}`), false, time.Time{})
|
||||
}
|
||||
gate.Assignment("ace.mesh-build-node", []byte(`{"node":"ace","module":"mesh-build-node","ended":"2026-10-23T08:00:00Z"}`), false, time.Time{})
|
||||
gate.Assignment("ace.mesh-build-go", []byte(`{"node":"ace","module":"mesh-build-go"}`), false, time.Time{}) // another module's: no matter
|
||||
if !gate.Settled() {
|
||||
t.Fatal("settling the assignments left ace's report out, so what was passed on changed")
|
||||
}
|
||||
if v, none := agreedOf(set); v != "v26.12.1" || none != "" {
|
||||
t.Fatalf("the assigned nodes agree on v26.12.1; got %q, %q", v, none)
|
||||
}
|
||||
if len(said) != 1 {
|
||||
t.Fatalf("ace's report is said left out once; said %v", said)
|
||||
}
|
||||
// ace reports again while unassigned (an old value seen again): still left out.
|
||||
key, value := gateReport(t, "ace", "v26.12.0")
|
||||
if gate.Toolchain(buildrun.NodeBuildModule, key, value, false) {
|
||||
t.Fatal("an unassigned node's report changed what was passed on")
|
||||
}
|
||||
// Assigned to ace again: its report counts, and the builders really disagree: the guard stays.
|
||||
if !gate.Assignment("ace.mesh-build-node", []byte(`{"node":"ace","module":"mesh-build-node"}`), false, time.Time{}) {
|
||||
t.Fatal("assigning ace again passed nothing on")
|
||||
}
|
||||
if _, none := agreedOf(set); !strings.HasPrefix(none, "builders disagree: v26.12.0 recipe f59571cf4be75adf on ace") {
|
||||
t.Fatalf("builders that run different versions still disagree; got %q", none)
|
||||
}
|
||||
// The assignment's key deleted, or a pending one written: no assignment stands, and ace's report goes again.
|
||||
if !gate.Assignment("ace.mesh-build-node", []byte(`{"node":"ace","module":"mesh-build-node","state":"pending"}`), false, time.Time{}) {
|
||||
t.Fatal("a pending assignment is no assignment on the machine")
|
||||
}
|
||||
if v, none := agreedOf(set); v != "v26.12.1" || none != "" {
|
||||
t.Fatalf("got %q, %q", v, none)
|
||||
}
|
||||
gate.Assignment("ace.mesh-build-node", nil, true, time.Time{})
|
||||
if v, _ := agreedOf(set); v != "v26.12.1" {
|
||||
t.Fatalf("got %q", v)
|
||||
}
|
||||
// A report deleted from the bucket goes whether its node is assigned or not.
|
||||
key, _ = gateReport(t, "g14", "v26.12.1")
|
||||
if !gate.Toolchain(buildrun.NodeBuildModule, key, nil, true) {
|
||||
t.Fatal("deleting g14's report passed nothing on")
|
||||
}
|
||||
if n := len(set.Entries("typescript")); n != 2 {
|
||||
t.Fatalf("novox and shanks are left; got %d entries", n)
|
||||
}
|
||||
|
||||
// 1945 (a part exits at start for a bucket it works without): a bus that refuses the assignments' watch, or every
|
||||
// toolchains bucket, leaves the watches unstarted and the part running, said; a refused bucket it cannot work without
|
||||
// is an error naming the bucket and its grant.
|
||||
var logs bytes.Buffer
|
||||
logger := log.New(&logs, "", 0)
|
||||
refused := refusingBus{err: errors.New("nats: permissions violation for publish to $JS.API.CONSUMER.CREATE.KV_mesh-controller_assignments")}
|
||||
if _, err := watchAssignments(context.Background(), refused, newToolchainGate(nil, set.Put, t.Logf), func(context.Context) {}, logger); err != nil {
|
||||
t.Errorf("a refused watch of the assignments stopped the start: %v", err)
|
||||
}
|
||||
if err := newToolchainWatch(context.Background(), refusingBus{refuseOpen: true, err: refused.err}, set, func(context.Context) {}, logger).start(); err != nil {
|
||||
t.Errorf("a refused toolchains bucket stopped the start: %v", err)
|
||||
}
|
||||
if !strings.Contains(logs.String(), "cannot be watched") || !strings.Contains(logs.String(), "cannot be read") {
|
||||
t.Errorf("the refusals were not said: %q", logs.String())
|
||||
}
|
||||
if _, err := process.EssentialBucket(context.Background(), refusingBus{refuseOpen: true, err: refused.err}, "checker", "mesh-delivery-indexer_modules", "work"); err == nil ||
|
||||
!strings.Contains(err.Error(), "grant of mesh-delivery-indexer_modules") {
|
||||
t.Errorf("a refused bucket the part needs: %v, want an error naming its grant", err)
|
||||
}
|
||||
}
|
||||
|
||||
// refusingBus is a bus that refuses: every open (refuseOpen), or every watch of a bucket it opens, with err.
|
||||
type refusingBus struct {
|
||||
refuseOpen bool
|
||||
err error
|
||||
}
|
||||
|
||||
func (r refusingBus) KeyValue(context.Context, string) (jetstream.KeyValue, error) {
|
||||
if r.refuseOpen {
|
||||
return nil, r.err
|
||||
}
|
||||
return refusedWatch{err: r.err}, nil
|
||||
}
|
||||
|
||||
type refusedWatch struct {
|
||||
jetstream.KeyValue
|
||||
err error
|
||||
}
|
||||
|
||||
func (r refusedWatch) WatchAll(context.Context, ...jetstream.WatchOpt) (jetstream.KeyWatcher, error) {
|
||||
return nil, r.err
|
||||
}
|
||||
func (r refusedWatch) Watch(context.Context, string, ...jetstream.WatchOpt) (jetstream.KeyWatcher, error) {
|
||||
return nil, r.err
|
||||
}
|
||||
|
||||
// A build node's report counts from the first one it writes since its assignment: a newly assigned node that has not
|
||||
// reported changes nothing, and the report an earlier run left on the bus (issue 1940, 2026-10-25 20:56: ace.typescript
|
||||
// v26.12.0 of 2026-10-23 06:29, mesh-build-node assigned to ace again at 20:56:45) is left out, said once, until the node
|
||||
// writes it again. An assignment whose value names no time stands since the revision that opened it.
|
||||
func TestANewlyAssignedNodeCountsFromItsReport(t *testing.T) {
|
||||
left := time.Date(2026, 10, 23, 6, 29, 18, 0, time.UTC) // ace's report from its earlier run
|
||||
assigned := time.Date(2026, 10, 25, 19, 56, 45, 0, time.UTC) // mesh-build-node assigned to ace again
|
||||
report := func(t *testing.T, node, version string, at time.Time) (string, []byte) {
|
||||
key, _ := gateReport(t, node, version)
|
||||
value, err := delivery.EncodeToolchain(delivery.Toolchain{Language: "typescript", Version: version, Recipe: "f59571cf4be75adf", At: at})
|
||||
if err != nil {
|
||||
t.Fatal(err)
|
||||
}
|
||||
return key, value
|
||||
}
|
||||
for _, c := range []struct {
|
||||
name string
|
||||
assignment string // ace's assignment value
|
||||
revision time.Time // when the bus wrote it
|
||||
at time.Time // when ace wrote its report
|
||||
counts bool
|
||||
}{
|
||||
{"no report yet, then one", `{}`, time.Time{}, time.Now(), true},
|
||||
{"a report left before the assignment", `{"node":"ace","module":"mesh-build-node","assigned":"2026-10-25T19:56:45Z"}`, assigned, left, false},
|
||||
{"a report left before a value with no time", `{"node":"ace","module":"mesh-build-node"}`, assigned, left, false},
|
||||
{"a report written since the assignment", `{"node":"ace","module":"mesh-build-node","assigned":"2026-10-25T19:56:45Z"}`, assigned, assigned.Add(30 * time.Second), true},
|
||||
} {
|
||||
t.Run(c.name, func(t *testing.T) {
|
||||
set := &buildrun.ToolchainSet{}
|
||||
var said []string
|
||||
gate := newToolchainGate([]string{buildrun.NodeBuildModule}, set.Put, func(f string, a ...any) { said = append(said, fmt.Sprintf(f, a...)) })
|
||||
for _, node := range []string{"g14", "novox", "shanks"} {
|
||||
gate.Assignment(node+".mesh-build-node", []byte(`{}`), false, time.Time{})
|
||||
key, value := gateReport(t, node, "v26.12.1")
|
||||
gate.Toolchain(buildrun.NodeBuildModule, key, value, false)
|
||||
}
|
||||
gate.Settled()
|
||||
if gate.Assignment("ace.mesh-build-node", []byte(c.assignment), false, c.revision) {
|
||||
t.Fatal("an assignment with no report passed something on")
|
||||
}
|
||||
key, value := report(t, "ace", "v26.12.0", c.at)
|
||||
if got := gate.Toolchain(buildrun.NodeBuildModule, key, value, false); got != c.counts {
|
||||
t.Fatalf("ace's report passed on: %v, want %v", got, c.counts)
|
||||
}
|
||||
// A rewrite of the assignment that does not move it changes nothing, and nothing is said again.
|
||||
if gate.Assignment("ace.mesh-build-node", []byte(c.assignment), false, c.revision.Add(time.Minute)) {
|
||||
t.Fatal("the same assignment written again changed what was passed on")
|
||||
}
|
||||
v, none := agreedOf(set)
|
||||
if c.counts {
|
||||
if !strings.HasPrefix(none, "builders disagree: v26.12.0 recipe f59571cf4be75adf on ace") {
|
||||
t.Fatalf("ace's own report counts and disagrees; got %q, %q", v, none)
|
||||
}
|
||||
return
|
||||
}
|
||||
if v != "v26.12.1" || none != "" {
|
||||
t.Fatalf("ace's left report is no builder's, so g14, novox and shanks agree; got %q, %q", v, none)
|
||||
}
|
||||
if len(said) != 1 || !strings.Contains(said[0], "before mesh-build-node's assignment on ace at 2026-10-25T19:56:45Z") {
|
||||
t.Fatalf("said %q, want once why ace's report is left out", said)
|
||||
}
|
||||
// ace writes its report again since it was assigned: it counts.
|
||||
key, value = report(t, "ace", "v26.12.1", assigned.Add(time.Minute))
|
||||
if !gate.Toolchain(buildrun.NodeBuildModule, key, value, false) {
|
||||
t.Fatal("ace's new report was not passed on")
|
||||
}
|
||||
if n := len(set.Entries("typescript")); n != 4 {
|
||||
t.Fatalf("four builders report; got %d", n)
|
||||
}
|
||||
})
|
||||
}
|
||||
}
|
||||
-236
@@ -1,236 +0,0 @@
|
||||
{
|
||||
"module": "xterm",
|
||||
"version": "1",
|
||||
"moved": true,
|
||||
"capabilities": [
|
||||
"package-manager"
|
||||
],
|
||||
"requires": [
|
||||
"x11-display"
|
||||
],
|
||||
"claims": [
|
||||
{
|
||||
"name": "node-terminal-emulator",
|
||||
"scope": "node",
|
||||
"serves": [
|
||||
"open"
|
||||
]
|
||||
}
|
||||
],
|
||||
"tools": [
|
||||
"xterm_font",
|
||||
"xterm_colours"
|
||||
],
|
||||
"config": {
|
||||
"face": {
|
||||
"type": "string",
|
||||
"description": "The font family xterm draws with, as fc-list names it: JetBrainsMono Nerd Font, because research 026/04 chose it for its glyphs the prompt uses. A family the machine does not have falls back to the nearest installed face (xterm_font says which).",
|
||||
"pattern": "[A-Za-z0-9 ._-]{1,64}",
|
||||
"default": "JetBrainsMono Nerd Font"
|
||||
},
|
||||
"size": {
|
||||
"type": "number",
|
||||
"description": "The size of xterm's text, in points: 12 reads well on a screen of about 100 DPI, and a denser screen needs a larger size.",
|
||||
"minimum": 6,
|
||||
"maximum": 72,
|
||||
"predefined": "font-size",
|
||||
"default": 12
|
||||
},
|
||||
"save-lines": {
|
||||
"type": "number",
|
||||
"description": "How many lines of scrollback xterm keeps per terminal: 10000 holds a long build log, and each line costs memory in every open terminal.",
|
||||
"minimum": 0,
|
||||
"maximum": 1000000,
|
||||
"default": 10000
|
||||
},
|
||||
"term-name": {
|
||||
"type": "string",
|
||||
"description": "The TERM value xterm sets for the programs it runs: xterm-256color, because the palette has 256 colours and every program knows the name.",
|
||||
"pattern": "[A-Za-z0-9._-]{1,64}",
|
||||
"default": "xterm-256color"
|
||||
},
|
||||
"render-font": {
|
||||
"type": "boolean",
|
||||
"description": "Whether xterm draws with fontconfig faces (true) or the old X core fonts (false): true, because the face is a fontconfig family and core fonts cannot show it.",
|
||||
"default": true
|
||||
},
|
||||
"bold-mode": {
|
||||
"type": "boolean",
|
||||
"description": "Whether xterm draws bold text by overstriking the normal face (true): false, because the face has a real bold style and overstriking blurs it.",
|
||||
"default": false
|
||||
},
|
||||
"always-bold-mode": {
|
||||
"type": "boolean",
|
||||
"description": "Whether xterm overstrikes bold even where the face has a bold style (true): false, for the same reason as bold-mode.",
|
||||
"default": false
|
||||
},
|
||||
"allow-bold-fonts": {
|
||||
"type": "boolean",
|
||||
"description": "Whether xterm may use the face's bold style for bold text (true): true, so bold text is drawn with the real bold weight.",
|
||||
"default": true
|
||||
},
|
||||
"background": {
|
||||
"type": "string",
|
||||
"description": "The terminal's background colour, as #rrggbb: black, as both workstations ran it.",
|
||||
"pattern": "#[0-9a-fA-F]{6}",
|
||||
"default": "#000000"
|
||||
},
|
||||
"foreground": {
|
||||
"type": "string",
|
||||
"description": "The terminal's text colour, as #rrggbb: a light grey, easier on the eyes than white on black.",
|
||||
"pattern": "#[0-9a-fA-F]{6}",
|
||||
"default": "#a8a8a8"
|
||||
},
|
||||
"color0": {
|
||||
"type": "string",
|
||||
"description": "Palette entry 0, the normal black, as #rrggbb: #000000, as both workstations ran it.",
|
||||
"pattern": "#[0-9a-fA-F]{6}",
|
||||
"default": "#000000"
|
||||
},
|
||||
"color1": {
|
||||
"type": "string",
|
||||
"description": "Palette entry 1, the normal red, as #rrggbb: #9e1828, as both workstations ran it.",
|
||||
"pattern": "#[0-9a-fA-F]{6}",
|
||||
"default": "#9e1828"
|
||||
},
|
||||
"color2": {
|
||||
"type": "string",
|
||||
"description": "Palette entry 2, the normal green, as #rrggbb: #008800, as both workstations ran it.",
|
||||
"pattern": "#[0-9a-fA-F]{6}",
|
||||
"default": "#008800"
|
||||
},
|
||||
"color3": {
|
||||
"type": "string",
|
||||
"description": "Palette entry 3, the normal yellow, as #rrggbb: #d2bb4b, as both workstations ran it.",
|
||||
"pattern": "#[0-9a-fA-F]{6}",
|
||||
"default": "#d2bb4b"
|
||||
},
|
||||
"color4": {
|
||||
"type": "string",
|
||||
"description": "Palette entry 4, the normal blue, as #rrggbb: #414171, as both workstations ran it.",
|
||||
"pattern": "#[0-9a-fA-F]{6}",
|
||||
"default": "#414171"
|
||||
},
|
||||
"color5": {
|
||||
"type": "string",
|
||||
"description": "Palette entry 5, the normal magenta, as #rrggbb: #963c59, as both workstations ran it.",
|
||||
"pattern": "#[0-9a-fA-F]{6}",
|
||||
"default": "#963c59"
|
||||
},
|
||||
"color6": {
|
||||
"type": "string",
|
||||
"description": "Palette entry 6, the normal cyan, as #rrggbb: #418179, as both workstations ran it.",
|
||||
"pattern": "#[0-9a-fA-F]{6}",
|
||||
"default": "#418179"
|
||||
},
|
||||
"color7": {
|
||||
"type": "string",
|
||||
"description": "Palette entry 7, the normal white, as #rrggbb: #bebebe, as both workstations ran it.",
|
||||
"pattern": "#[0-9a-fA-F]{6}",
|
||||
"default": "#bebebe"
|
||||
},
|
||||
"color8": {
|
||||
"type": "string",
|
||||
"description": "Palette entry 8, the bright black, as #rrggbb: #666666, as both workstations ran it.",
|
||||
"pattern": "#[0-9a-fA-F]{6}",
|
||||
"default": "#666666"
|
||||
},
|
||||
"color9": {
|
||||
"type": "string",
|
||||
"description": "Palette entry 9, the bright red, as #rrggbb: #bc5766, as both workstations ran it.",
|
||||
"pattern": "#[0-9a-fA-F]{6}",
|
||||
"default": "#bc5766"
|
||||
},
|
||||
"color10": {
|
||||
"type": "string",
|
||||
"description": "Palette entry 10, the bright green, as #rrggbb: #61a171, as both workstations ran it.",
|
||||
"pattern": "#[0-9a-fA-F]{6}",
|
||||
"default": "#61a171"
|
||||
},
|
||||
"color11": {
|
||||
"type": "string",
|
||||
"description": "Palette entry 11, the bright yellow, as #rrggbb: #e7db52, as both workstations ran it.",
|
||||
"pattern": "#[0-9a-fA-F]{6}",
|
||||
"default": "#e7db52"
|
||||
},
|
||||
"color12": {
|
||||
"type": "string",
|
||||
"description": "Palette entry 12, the bright blue, as #rrggbb: #5085af, as both workstations ran it.",
|
||||
"pattern": "#[0-9a-fA-F]{6}",
|
||||
"default": "#5085af"
|
||||
},
|
||||
"color13": {
|
||||
"type": "string",
|
||||
"description": "Palette entry 13, the bright magenta, as #rrggbb: #a97a99, as both workstations ran it.",
|
||||
"pattern": "#[0-9a-fA-F]{6}",
|
||||
"default": "#a97a99"
|
||||
},
|
||||
"color14": {
|
||||
"type": "string",
|
||||
"description": "Palette entry 14, the bright cyan, as #rrggbb: #6ba4a4, as both workstations ran it.",
|
||||
"pattern": "#[0-9a-fA-F]{6}",
|
||||
"default": "#6ba4a4"
|
||||
},
|
||||
"color15": {
|
||||
"type": "string",
|
||||
"description": "Palette entry 15, the bright white, as #rrggbb: #ffffff, as both workstations ran it.",
|
||||
"pattern": "#[0-9a-fA-F]{6}",
|
||||
"default": "#ffffff"
|
||||
},
|
||||
"copy-binding": {
|
||||
"type": "string",
|
||||
"description": "The key combination that copies the selection to the clipboard, in X translation syntax: Ctrl Shift ~Alt <Key> C, so a plain Ctrl+C still interrupts the program. It holds no colon, backslash or line break, which would end the resource.",
|
||||
"pattern": "[^:\\\\\\n]+",
|
||||
"default": "Ctrl Shift ~Alt <Key> C"
|
||||
},
|
||||
"paste-binding": {
|
||||
"type": "string",
|
||||
"description": "The key combination that pastes the clipboard, in X translation syntax: Ctrl Shift ~Alt <Key> V, the pair of copy-binding. It holds no colon, backslash or line break, which would end the resource.",
|
||||
"pattern": "[^:\\\\\\n]+",
|
||||
"default": "Ctrl Shift ~Alt <Key> V"
|
||||
}
|
||||
},
|
||||
"items": [
|
||||
{
|
||||
"collection": "environment",
|
||||
"name": "terminal",
|
||||
"attributes": {
|
||||
"kind": "variable",
|
||||
"name": "TERMINAL"
|
||||
},
|
||||
"template": "files/env-terminal"
|
||||
},
|
||||
{
|
||||
"collection": "shell:xresources:normal",
|
||||
"name": "xresources-normal",
|
||||
"template": "files/xresources-normal"
|
||||
}
|
||||
],
|
||||
"resources": [
|
||||
{
|
||||
"id": "package",
|
||||
"type": "package",
|
||||
"package": "xterm"
|
||||
}
|
||||
],
|
||||
"build": {
|
||||
"artifacts": [
|
||||
{
|
||||
"name": "tools",
|
||||
"kind": "bundle",
|
||||
"language": "go",
|
||||
"system": "arch",
|
||||
"from": "cmd/xterm-tools",
|
||||
"binary": "xterm-tools",
|
||||
"loads": [
|
||||
"xterm-tools"
|
||||
]
|
||||
},
|
||||
{
|
||||
"name": "files",
|
||||
"kind": "archive",
|
||||
"from": "files"
|
||||
}
|
||||
]
|
||||
}
|
||||
}
|
||||
@@ -8,8 +8,6 @@ import (
|
||||
"strings"
|
||||
"sync"
|
||||
|
||||
"git.novox.be/novox/mesh-sdk/go/process"
|
||||
|
||||
"github.com/nats-io/nats.go/jetstream"
|
||||
|
||||
"git.novox.be/novox/mesh-sdk/go/delivery"
|
||||
@@ -26,11 +24,9 @@ var toolchainStreams = map[string]string{buildrun.GoBuildModule: "TOOLCHAINS_GO"
|
||||
// §8): it watches the buckets that exist at start, and a build module says each time it wrote its toolchains key
|
||||
// (toolchain.reported, handled by Reported); a bucket not watched yet is then watched.
|
||||
type toolchainWatch struct {
|
||||
ctx context.Context
|
||||
js bucketOpener
|
||||
set *buildrun.ToolchainSet
|
||||
// put takes a change of a toolchains bucket in: set.Put, or the gate of the assigned build nodes before it (issue 1940).
|
||||
put func(module, key string, value []byte, deleted bool) bool
|
||||
ctx context.Context
|
||||
js bucketOpener
|
||||
set *buildrun.ToolchainSet
|
||||
changed func(ctx context.Context) // a language's entries changed: the failed builds are tried again
|
||||
logger *log.Logger
|
||||
errs chan error
|
||||
@@ -39,7 +35,7 @@ type toolchainWatch struct {
|
||||
}
|
||||
|
||||
func newToolchainWatch(ctx context.Context, js bucketOpener, set *buildrun.ToolchainSet, changed func(context.Context), logger *log.Logger) *toolchainWatch {
|
||||
return &toolchainWatch{ctx: ctx, js: js, set: set, put: set.Put, changed: changed, logger: logger, errs: make(chan error, len(buildrun.LanguageOf)), watched: map[string]bool{}}
|
||||
return &toolchainWatch{ctx: ctx, js: js, set: set, changed: changed, logger: logger, errs: make(chan error, len(buildrun.LanguageOf)), watched: map[string]bool{}}
|
||||
}
|
||||
|
||||
// start watches the buckets that exist now; a missing one is said and waits for its build module's event.
|
||||
@@ -65,19 +61,16 @@ func (w *toolchainWatch) ensure(module string) error {
|
||||
w.logger.Printf("the bucket %s does not exist yet: it is watched when %s reports a toolchain", name, module)
|
||||
return nil
|
||||
case err != nil:
|
||||
// Refused or not answered (its grant not on the bus yet, issue 1945): said, and opened again at the module's next report.
|
||||
w.logger.Printf("the bucket %s cannot be read (%v): %s's toolchains are not heard until its next report", name, err, module)
|
||||
return nil
|
||||
return fmt.Errorf("the bucket %s: %w", name, err)
|
||||
}
|
||||
watcher, err := settle(w.ctx, kv, func(e jetstream.KeyValueEntry) { w.put(module, e.Key(), e.Value(), !opOf(e)) })
|
||||
watcher, err := settle(w.ctx, kv, func(e jetstream.KeyValueEntry) { w.set.Put(module, e.Key(), e.Value(), !opOf(e)) })
|
||||
if err != nil {
|
||||
process.NotWatched(w.logger.Printf, name, err, fmt.Sprintf("%s's toolchains are not heard until its next report", module))
|
||||
return nil
|
||||
return err
|
||||
}
|
||||
w.watched[module] = true
|
||||
go func() {
|
||||
w.errs <- follow(w.ctx, watcher, func(e jetstream.KeyValueEntry) {
|
||||
if w.put(module, e.Key(), e.Value(), !opOf(e)) {
|
||||
if w.set.Put(module, e.Key(), e.Value(), !opOf(e)) {
|
||||
w.changed(w.ctx)
|
||||
}
|
||||
})
|
||||
|
||||
@@ -3,7 +3,7 @@ module mesh-delivery-checker
|
||||
go 1.26.0
|
||||
|
||||
require (
|
||||
git.novox.be/novox/mesh-sdk/go v0.1.14-0.20261025211220-e0d1de047585
|
||||
git.novox.be/novox/mesh-sdk/go v0.1.14-0.20261023150321-a2c813a6b468
|
||||
github.com/nats-io/nats-server/v2 v2.11.17
|
||||
github.com/nats-io/nats.go v1.54.0
|
||||
)
|
||||
|
||||
@@ -1,7 +1,5 @@
|
||||
git.novox.be/novox/mesh-sdk/go v0.1.14-0.20261023213200-403a5d72ab93 h1:FAiFY2KBKEoZSH49OZTt7/zRBIQxyl5g/KhYrpggbN4=
|
||||
git.novox.be/novox/mesh-sdk/go v0.1.14-0.20261023213200-403a5d72ab93/go.mod h1:ouERNpZizzwZ0HLEtAypsY9FR20FyUgUYRni6J7kVCY=
|
||||
git.novox.be/novox/mesh-sdk/go v0.1.14-0.20261025211220-e0d1de047585 h1:7QoFH5qjXRpx5M4uPdYsVJ5qKl2082gq8n0lFxhoNIg=
|
||||
git.novox.be/novox/mesh-sdk/go v0.1.14-0.20261025211220-e0d1de047585/go.mod h1:ouERNpZizzwZ0HLEtAypsY9FR20FyUgUYRni6J7kVCY=
|
||||
git.novox.be/novox/mesh-sdk/go v0.1.14-0.20261023150321-a2c813a6b468 h1:UcMee+IV2ii5E4dRZdQUaSaeh9IedTFYumuQbBiB0k0=
|
||||
git.novox.be/novox/mesh-sdk/go v0.1.14-0.20261023150321-a2c813a6b468/go.mod h1:ouERNpZizzwZ0HLEtAypsY9FR20FyUgUYRni6J7kVCY=
|
||||
github.com/antithesishq/antithesis-sdk-go v0.7.0-default-no-op h1:Z/MZK75wC/NSrkgqeNIa7jexam9uWzhLmFTSCPI/kn0=
|
||||
github.com/antithesishq/antithesis-sdk-go v0.7.0-default-no-op/go.mod h1:FQyySiasQQM8735Ddel3MRojmy4dA1IqCeyJ5jmPMbI=
|
||||
github.com/google/go-tpm v0.9.8 h1:slArAR9Ft+1ybZu0lBwpSmpwhRXaa85hWtMinMyRAWo=
|
||||
|
||||
@@ -26,7 +26,7 @@ const (
|
||||
// checks/deps). Which commit of each is besideCommit's rule.
|
||||
var besideRules = map[string][]string{
|
||||
controllerRepo: {catalogueRepository, nodeEngineRepo, SDKRepository},
|
||||
nodeEngineRepo: {catalogueRepository, SDKRepository, controllerRepo},
|
||||
nodeEngineRepo: {catalogueRepository, SDKRepository},
|
||||
SDKRepository: {catalogueRepository, nodeEngineRepo},
|
||||
catalogueRepository: {SDKRepository, controllerRepo},
|
||||
"novox/mesh-delivery": {SDKRepository, catalogueRepository},
|
||||
@@ -83,10 +83,6 @@ func (j *Examiner) besideFor(ctx context.Context, c *Case, p Pull) ([]BesideRef,
|
||||
out = append(out, BesideRef{Repository: repo, Commit: member.Head, Ref: refOf(member.Number)})
|
||||
} else if head := heads[repo]; head != "" {
|
||||
out = append(out, BesideRef{Repository: repo, Commit: head})
|
||||
} else if repo == controllerRepo && p.Repository == nodeEngineRepo {
|
||||
// The node-engine's step-nine test judges the controller's own manifest and fails without it (issue 1295): a
|
||||
// checker that cannot place it says so, where placing none left that test to skip.
|
||||
return nil, fmt.Errorf("the trunk head of %s is not known, so the controller the tests of %s#%d read cannot be placed beside them", repo, p.Repository, p.Number)
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
@@ -1,79 +0,0 @@
|
||||
package check
|
||||
|
||||
import (
|
||||
"fmt"
|
||||
"sort"
|
||||
"sync"
|
||||
"sync/atomic"
|
||||
|
||||
"git.novox.be/novox/mesh-sdk/go/delivery"
|
||||
)
|
||||
|
||||
// ReadWorkers is how many values a read tool asks the bus for at once. Each value is a round trip from the tool through the
|
||||
// runtime to the bus, so reading a bucket of thousands of keys one after the other outlasts the 30 s a tool call is given
|
||||
// (issue 1827, as the delivery view's issue 1945). It is a copy of the view's: a few lines are not worth a group delivery
|
||||
// through mesh-sdk (rules-are-weighed).
|
||||
const ReadWorkers = 16
|
||||
|
||||
// MaxReads bounds the values one call of a read tool reads; past it the answer says it was cut and how to narrow it.
|
||||
const MaxReads = 1000
|
||||
|
||||
// parallel runs read(i) for i in [0, n), at most ReadWorkers at a time, and answers the first error; once one failed no
|
||||
// further read starts.
|
||||
func parallel(n int, read func(i int) error) error {
|
||||
var (
|
||||
next atomic.Int64
|
||||
failed atomic.Bool
|
||||
once sync.Once
|
||||
first error
|
||||
wg sync.WaitGroup
|
||||
)
|
||||
for w := 0; w < min(ReadWorkers, n); w++ {
|
||||
wg.Add(1)
|
||||
go func() {
|
||||
defer wg.Done()
|
||||
for !failed.Load() {
|
||||
i := int(next.Add(1) - 1)
|
||||
if i >= n {
|
||||
return
|
||||
}
|
||||
if err := read(i); err != nil {
|
||||
once.Do(func() { first = err })
|
||||
failed.Store(true)
|
||||
}
|
||||
}
|
||||
}()
|
||||
}
|
||||
wg.Wait()
|
||||
return first
|
||||
}
|
||||
|
||||
// capKeys keeps the first MaxReads keys and answers a note when it cut the rest, "" otherwise.
|
||||
func capKeys(keys []string, narrow string) ([]string, string) {
|
||||
if len(keys) <= MaxReads {
|
||||
return keys, ""
|
||||
}
|
||||
return keys[:MaxReads], fmt.Sprintf("read %d of %d matching keys and stopped; %s", MaxReads, len(keys), narrow)
|
||||
}
|
||||
|
||||
// newestFirst sorts step keys (<node>.<id>) by id, newest first: an id is the time in base 36, then six hex digits, so the
|
||||
// longer id is the later and equal lengths compare as text. A key that is no step key goes last.
|
||||
func newestFirst(keys []string) {
|
||||
id := func(k string) (string, bool) {
|
||||
_, id, err := delivery.ParseStepKey(k)
|
||||
return id, err == nil
|
||||
}
|
||||
sort.Slice(keys, func(i, j int) bool {
|
||||
a, aok := id(keys[i])
|
||||
b, bok := id(keys[j])
|
||||
switch {
|
||||
case aok != bok:
|
||||
return aok
|
||||
case len(a) != len(b):
|
||||
return len(a) > len(b)
|
||||
case a != b:
|
||||
return a > b
|
||||
}
|
||||
return keys[i] > keys[j]
|
||||
})
|
||||
}
|
||||
@@ -3,7 +3,6 @@ package check
|
||||
import (
|
||||
"fmt"
|
||||
"maps"
|
||||
"slices"
|
||||
"sort"
|
||||
"strings"
|
||||
"sync"
|
||||
@@ -41,9 +40,6 @@ type Case struct {
|
||||
Queued time.Time
|
||||
// Try narrows a try's check (its level, its tests); nil for a pull request's.
|
||||
Try *TryOptions
|
||||
|
||||
notesMu sync.Mutex
|
||||
notes []string
|
||||
// Progress says what the check is doing, so a check that ran past its bound names the step it was stuck at.
|
||||
Progress *Progress
|
||||
// Kind is what asked the check (KindNew, KindNodes, KindTrunk): a re-judge after a trunk move is asked on the build
|
||||
@@ -152,19 +148,3 @@ func (t *Trunks) Heads() map[string]string {
|
||||
defer t.mu.Unlock()
|
||||
return maps.Clone(t.heads)
|
||||
}
|
||||
|
||||
// note puts a word of the check's way on the case, for a try's line (issue 1921).
|
||||
func (c *Case) note(s string) {
|
||||
c.notesMu.Lock()
|
||||
defer c.notesMu.Unlock()
|
||||
if !slices.Contains(c.notes, s) {
|
||||
c.notes = append(c.notes, s)
|
||||
}
|
||||
}
|
||||
|
||||
// Notes are the words noted on the case, in the order they were noted.
|
||||
func (c *Case) Notes() []string {
|
||||
c.notesMu.Lock()
|
||||
defer c.notesMu.Unlock()
|
||||
return slices.Clone(c.notes)
|
||||
}
|
||||
|
||||
@@ -1,83 +0,0 @@
|
||||
package check
|
||||
|
||||
import (
|
||||
"encoding/json"
|
||||
"strings"
|
||||
"testing"
|
||||
|
||||
"git.novox.be/novox/mesh-sdk/go/delivery"
|
||||
)
|
||||
|
||||
// 1930/AC3: given a check ask whose stored end keeps the digest's packages as a list of {package, digest} (issue 1930),
|
||||
// or one stored before it with the packages a map keyed by package path, when the same heads are checked a second time,
|
||||
// then the kept verdicts the first check wrote are read from it: every package it passed is kept, none run again.
|
||||
func TestKeptVerdictsAreReadFromTheDigestsListForm(t *testing.T) {
|
||||
for _, tc := range []struct {
|
||||
name string
|
||||
old bool
|
||||
}{{"the list form", false}, {"a map stored before issue 1930", true}} {
|
||||
t.Run(tc.name, func(t *testing.T) {
|
||||
b := newBench(t)
|
||||
var stored []string
|
||||
b.asks.Answer = func(a delivery.StepAsk) delivery.Step {
|
||||
s := b.answer(a)
|
||||
if tc.old && s.State == delivery.StepPassed {
|
||||
s.Result = oldDigestForm(t, s.Result)
|
||||
}
|
||||
stored = append(stored, string(s.Result))
|
||||
return s
|
||||
}
|
||||
first := b.judge(t, caseOf(t, pullOf(repoA, 7, head1))).Verdict
|
||||
u := first.Levels[delivery.LevelUnit]
|
||||
if first.State != delivery.VerdictPass || u.Run == 0 || u.Kept != 0 {
|
||||
t.Fatalf("the first check = %+v", first)
|
||||
}
|
||||
if len(stored) == 0 {
|
||||
t.Fatal("no ask's end was stored")
|
||||
}
|
||||
list := strings.Contains(stored[0], `"packages":[{"package":"fixture/slow"`)
|
||||
if list == tc.old || strings.Contains(stored[0], `"fixture/slow":"`) != tc.old {
|
||||
t.Fatalf("the stored end is not in the form under test: %s", stored[0])
|
||||
}
|
||||
b.steps.calls = nil
|
||||
second := b.judge(t, caseOf(t, pullOf(repoA, 7, head1))).Verdict
|
||||
if s := second.Levels[delivery.LevelUnit]; second.State != delivery.VerdictPass || s.Kept != u.Run || s.Run != 0 {
|
||||
t.Fatalf("the second check's unit level = %+v, want %d kept and none run", s, u.Run)
|
||||
}
|
||||
if n := len(b.steps.tool("test")); n != 0 {
|
||||
t.Errorf("%d test steps ran on the second check", n)
|
||||
}
|
||||
})
|
||||
}
|
||||
}
|
||||
|
||||
// oldDigestForm rewrites a check answer's level digests to the form stored before issue 1930: packages as a map keyed by
|
||||
// package path.
|
||||
func oldDigestForm(t *testing.T, result json.RawMessage) json.RawMessage {
|
||||
t.Helper()
|
||||
var a struct {
|
||||
Fetch json.RawMessage `json:"fetch"`
|
||||
Levels []map[string]any `json:"levels"`
|
||||
}
|
||||
if err := json.Unmarshal(result, &a); err != nil {
|
||||
t.Fatal(err)
|
||||
}
|
||||
for _, l := range a.Levels {
|
||||
d, ok := l["digest"].(map[string]any)
|
||||
if !ok {
|
||||
continue
|
||||
}
|
||||
m := map[string]any{}
|
||||
list, _ := d["packages"].([]any)
|
||||
for _, p := range list {
|
||||
pd := p.(map[string]any)
|
||||
m[pd["package"].(string)] = pd["digest"]
|
||||
}
|
||||
d["packages"] = m
|
||||
}
|
||||
raw, err := json.Marshal(a)
|
||||
if err != nil {
|
||||
t.Fatal(err)
|
||||
}
|
||||
return raw
|
||||
}
|
||||
@@ -1,7 +1,6 @@
|
||||
package check
|
||||
|
||||
import (
|
||||
"encoding/json"
|
||||
"strings"
|
||||
"testing"
|
||||
|
||||
@@ -55,19 +54,3 @@ func TestWordsLongerThanTheBoundKeepTheirLastLines(t *testing.T) { // 1901/AC1
|
||||
}
|
||||
_ = delivery.VerdictFail
|
||||
}
|
||||
|
||||
// An older build module sends no "cause": its answer is still accepted and the verdict's words are its output, as before.
|
||||
func TestAnOlderBuildModulesFailureIsAcceptedWithItsWholeOutput(t *testing.T) { // 1901/AC3
|
||||
old := `{"package":"p","test":"TestX","output":"x_test.go:1: logged\nx_test.go:2: the old kept lines"}`
|
||||
var f Failure
|
||||
if err := json.Unmarshal([]byte(old), &f); err != nil || f.Cause != "" {
|
||||
t.Fatalf("1901/AC3: err = %v, cause = %q", err, f.Cause)
|
||||
}
|
||||
v := levelFailure(&target{}, "unit", Tested{Failed: []Failure{f}})
|
||||
if v.Failed.Words != "x_test.go:1: logged\nx_test.go:2: the old kept lines" {
|
||||
t.Errorf("1901/AC3: words = %q", v.Failed.Words)
|
||||
}
|
||||
if got := firstFailed(*v); !strings.Contains(got, "logged") || strings.Contains(got, "\n") {
|
||||
t.Errorf("1901/AC3: status = %q", got)
|
||||
}
|
||||
}
|
||||
|
||||
@@ -447,11 +447,13 @@ func (st *state) level(ctx context.Context, t *target, la delivery.LevelAnswer)
|
||||
return fail(t.node, fmt.Sprintf("the check of %s#%d answered the level %q, which is no level", t.pull.Repository, t.pull.Number, level)), 0
|
||||
}
|
||||
var digests map[string]string
|
||||
if t.module == buildrun.GoBuildModule && la.Digest != nil {
|
||||
// The packages come as a list, never keyed by a package path (issue 1930); an answer stored before reads too.
|
||||
digests = la.Digest.Map()
|
||||
if t.runner != "" {
|
||||
t.judgedBy(la.Digest.JudgedBy) // the installed module judged it: the runner is not used again
|
||||
if t.module == buildrun.GoBuildModule && len(la.Digest) > 0 {
|
||||
var d Digested
|
||||
if err := json.Unmarshal(la.Digest, &d); err == nil {
|
||||
digests = d.Packages
|
||||
if t.runner != "" {
|
||||
t.judgedBy(d.JudgedBy) // the installed module judged it: the runner is not used again
|
||||
}
|
||||
}
|
||||
}
|
||||
if t.runner != "" && la.Judged != "" {
|
||||
@@ -531,98 +533,23 @@ const MaxWords = 4096
|
||||
|
||||
// failureWords is a failure's words: its output's last lines up to MaxWords, with the line the build module told apart as
|
||||
// the test's error first when the output does not start with it, so the first line of the words is the cause and the
|
||||
// status line, which is cut short, names it. **A failure's words are never "PASS" or "ok"** (issue 1901, its third
|
||||
// meeting: a package that failed after its tests passed was worded "PASS"): go test's summary lines are dropped, and with
|
||||
// no cause told apart (an older build module) the cause is the output's first "panic:", "fatal error:" or "signal:"
|
||||
// line, read before the output is cut, or the words say the tests passed and the program failed after them.
|
||||
// status line, which is cut short, names it.
|
||||
func failureWords(f Failure) string {
|
||||
out, passed := dropSummary(strings.TrimSpace(f.Output))
|
||||
cause := strings.TrimSpace(f.Cause)
|
||||
if cause == "" {
|
||||
cause = causeIn(out)
|
||||
}
|
||||
switch {
|
||||
case cause == "" && out == "" && passed:
|
||||
cause = "the tests passed, then the test program exited with a failure: an os.Exit or a panic in TestMain or after the tests"
|
||||
case cause == "" && out == "":
|
||||
// The build module on main sends a package that stopped (a timeout, an exit, a kill) as its "FAIL" line alone.
|
||||
cause = "the package failed with no test to name and no panic, signal or build error in its output (an older build module sent no cause)"
|
||||
}
|
||||
if len(cause) > MaxCause {
|
||||
cause = strings.ToValidUTF8(cause[:MaxCause], "") + "..."
|
||||
}
|
||||
// The words keep MaxWords exactly: the cause and its newline, the marker and the kept lines (review round 1).
|
||||
budget := MaxWords
|
||||
if cause != "" {
|
||||
budget -= len(cause) + 1
|
||||
}
|
||||
if len(out) > budget {
|
||||
const marker = "... "
|
||||
tail := out[len(out)-(budget-len(marker)):]
|
||||
out := strings.TrimSpace(f.Output)
|
||||
if len(out) > MaxWords {
|
||||
out = out[len(out)-MaxWords:]
|
||||
// Start on a whole line, and a whole character.
|
||||
if i := strings.IndexByte(tail, '\n'); i >= 0 {
|
||||
tail = strings.TrimLeft(tail[i:], "\n")
|
||||
if i := strings.IndexByte(out, '\n'); i >= 0 {
|
||||
out = "... " + strings.TrimLeft(out[i:], "\n")
|
||||
}
|
||||
out = marker + strings.ToValidUTF8(tail, "")
|
||||
out = strings.ToValidUTF8(out, "")
|
||||
}
|
||||
if cause != "" && !strings.HasPrefix(firstLine(out), cause) {
|
||||
out = strings.TrimRight(cause+"\n"+out, "\n")
|
||||
if c := strings.TrimSpace(f.Cause); c != "" && !strings.HasPrefix(firstLine(out), c) {
|
||||
out = c + "\n" + out
|
||||
}
|
||||
return out
|
||||
}
|
||||
|
||||
// MaxCause is the most a cause in a failure's words holds: one long line (the 1901 review: a cause of a kilobyte could
|
||||
// push the words past MaxWords).
|
||||
const MaxCause = 1024
|
||||
|
||||
// dropSummary drops go test's summary lines from a failure's output ("PASS", "FAIL", "ok <pkg>", "FAIL <pkg>"), and says
|
||||
// whether a "PASS" was among them: the package's tests passed before it failed.
|
||||
func dropSummary(out string) (string, bool) {
|
||||
passed := false
|
||||
lines := strings.Split(out, "\n")
|
||||
kept := lines[:0]
|
||||
for _, l := range lines {
|
||||
// go's exact forms only (review round 1): "PASS" or "FAIL" alone, "ok \t<pkg>\t<time>", "FAIL\t<pkg>\t<time>".
|
||||
switch t := strings.TrimRight(l, "\r"); {
|
||||
case t == "PASS":
|
||||
passed = true
|
||||
case t == "FAIL", strings.HasPrefix(t, "ok \t"), strings.HasPrefix(t, "FAIL\t"):
|
||||
default:
|
||||
kept = append(kept, l)
|
||||
}
|
||||
}
|
||||
return strings.TrimSpace(strings.Join(kept, "\n")), passed
|
||||
}
|
||||
|
||||
// causeIn is a race the race detector reported, as its heading, its access and the frame that made it ("WARNING: DATA
|
||||
// RACE: Write at 0x... by goroutine 9 in pkg.F.func1()"); else the first "panic:", "fatal error:" or "signal:" line of a
|
||||
// failure's output, in that order; or "". **Only lines at column 0**, where go prints the runtime's: a test's indented log
|
||||
// line holding the same words is not the cause (review round 1).
|
||||
func causeIn(out string) string {
|
||||
lines := strings.Split(out, "\n")
|
||||
for i, l := range lines {
|
||||
if strings.TrimRight(l, "\r") != "WARNING: DATA RACE" {
|
||||
continue
|
||||
}
|
||||
words := "WARNING: DATA RACE"
|
||||
if i+1 < len(lines) && strings.TrimSpace(lines[i+1]) != "" {
|
||||
words += ": " + strings.TrimSuffix(strings.TrimSpace(lines[i+1]), ":")
|
||||
if i+2 < len(lines) && strings.HasPrefix(lines[i+2], " ") {
|
||||
words += " in " + strings.TrimSpace(lines[i+2])
|
||||
}
|
||||
}
|
||||
return words
|
||||
}
|
||||
for _, prefix := range []string{"panic: ", "fatal error: ", "signal: "} {
|
||||
for _, l := range lines {
|
||||
if l = strings.TrimRight(l, "\r"); strings.HasPrefix(l, prefix) {
|
||||
return l
|
||||
}
|
||||
}
|
||||
}
|
||||
return ""
|
||||
}
|
||||
|
||||
// firstLine is the first non-empty line of a failure's words.
|
||||
func firstLine(s string) string {
|
||||
for _, l := range strings.Split(s, "\n") {
|
||||
|
||||
@@ -1,92 +0,0 @@
|
||||
package check
|
||||
|
||||
import (
|
||||
"strings"
|
||||
"testing"
|
||||
)
|
||||
|
||||
// What the build module before this fix sent for two packages that failed after their tests passed (issue 1901, its third
|
||||
// meeting: a try of mesh-controller kept "PASS" as its failure's words). Each is that build module's Output for the real
|
||||
// `go test -json` of a throwaway package (mesh-catalog modules/mesh-build-go testdata/captured/go-test-json-pkg-*.jsonl):
|
||||
// TestMain panicking in a goroutine after m.Run, TestMain exiting 2 after m.Run, and TestMain racing after m.Run.
|
||||
const (
|
||||
oldPassThenPanic = "PASS\npanic: the bus closed after the tests: nats: connection closed\ngoroutine 20 [running]:\n" +
|
||||
"example.com/passthenfail.TestMain.func1()\n\t/tmp/fix-1901b/passthenfail/p_test.go:13 +0x25\n" +
|
||||
"created by example.com/passthenfail.TestMain in goroutine 1\n\t/tmp/fix-1901b/passthenfail/p_test.go:13 +0x25\n" +
|
||||
"FAIL\texample.com/passthenfail\t0.005s"
|
||||
oldPassThenExit = "PASS\nFAIL\texample.com/mainexit\t0.004s"
|
||||
// TestMain racing after m.Run passed, under go test -race (go-test-json-pkg-racemain.jsonl).
|
||||
oldPassThenRace = "PASS\n==================\nWARNING: DATA RACE\nWrite at 0x000000836428 by goroutine 9:\n example.com/racemain.TestMain.func1()\n /tmp/fix-1901b/racemain/p_test.go:15 +0x24\nPrevious write at 0x000000836428 by main goroutine:\n example.com/racemain.TestMain()\n /tmp/fix-1901b/racemain/p_test.go:16 +0x44\n main.main()\n _testmain.go:48 +0x171\nGoroutine 9 (running) created at:\n example.com/racemain.TestMain()\n /tmp/fix-1901b/racemain/p_test.go:15 +0x37\n main.main()\n _testmain.go:48 +0x171\n==================\nFound 1 data race(s)\nFAIL\texample.com/racemain\t1.031s"
|
||||
)
|
||||
|
||||
// A failure with no cause told apart never has "PASS" or "ok" as its words: the checker takes the panic line from the
|
||||
// output, or says that the tests passed and the program failed after them (1901/AC5).
|
||||
func TestAPackageFailureIsNeverWordedPass(t *testing.T) { // 1901/AC5
|
||||
cases := []struct {
|
||||
name, output, want string
|
||||
}{
|
||||
{"panic after the tests", oldPassThenPanic, "panic: the bus closed after the tests: nats: connection closed"},
|
||||
{"exit after the tests", oldPassThenExit, "the tests passed, then the test program exited with a failure"},
|
||||
{"race after the tests", oldPassThenRace, "WARNING: DATA RACE: Write at 0x000000836428 by goroutine 9 in example.com/racemain.TestMain.func1()"},
|
||||
{"a panic deep in a long output", "PASS\npanic: the seat row vanished\n" + strings.Repeat("goroutine 7 [chan receive]:\n\tsome/frame.go:1 +0x1\n", 300) + "FAIL\tp\t2.0s", "panic: the seat row vanished"},
|
||||
}
|
||||
for _, c := range cases {
|
||||
t.Run(c.name, func(t *testing.T) {
|
||||
v := levelFailure(&target{}, "integration", Tested{Failed: []Failure{{Package: "github.com/novox/mesh-controller/cmd/mesh-controller", Output: c.output}}})
|
||||
for _, l := range strings.Split(v.Failed.Words, "\n") {
|
||||
if l = strings.TrimSpace(l); l == "PASS" || strings.HasPrefix(l, "ok ") || strings.HasPrefix(l, "ok\t") {
|
||||
t.Errorf("1901/AC5: the words keep %q: %q", l, v.Failed.Words)
|
||||
}
|
||||
}
|
||||
if !strings.HasPrefix(v.Failed.Words, c.want) {
|
||||
t.Errorf("1901/AC5: words start %q, want %q", firstLine(v.Failed.Words), c.want)
|
||||
}
|
||||
if got := firstFailed(*v); !strings.Contains(got, c.want) || strings.HasSuffix(got, ": PASS") {
|
||||
t.Errorf("1901/AC5: status = %q", got)
|
||||
}
|
||||
})
|
||||
}
|
||||
}
|
||||
|
||||
// A cause the build module told apart is cut to a line's bound, so the words keep their bound (the 1901 review's note).
|
||||
func TestALongCauseIsCutToALinesBound(t *testing.T) { // 1901/AC5
|
||||
f := Failure{Package: "p", Test: "TestX", Cause: strings.Repeat("c", 5000), Output: "x_test.go:1: something"}
|
||||
v := levelFailure(&target{}, "unit", Tested{Failed: []Failure{f}})
|
||||
if len(v.Failed.Words) > MaxWords+200 {
|
||||
t.Errorf("1901/AC5: words are %d bytes, bound %d", len(v.Failed.Words), MaxWords)
|
||||
}
|
||||
}
|
||||
|
||||
// The build module on main sends a package that stopped (a timeout, an exit, a kill) as only go test's last line, with no
|
||||
// cause: the words then say so, never nothing (review round 1). Each output is what that build module sends for the
|
||||
// capture of the same name (go-test-json-pkg-timeout, -exiting, -killed): the package's own output, its "FAIL" line.
|
||||
func TestAPackageStoppedWithOnlyItsFailLineIsStillWorded(t *testing.T) { // 1901/AC5
|
||||
for _, out := range []string{"FAIL\texample.com/timeout\t2.017s", "FAIL\texample.com/exiting\t0.006s", "FAIL\texample.com/killed\t0.006s"} {
|
||||
v := levelFailure(&target{}, "integration", Tested{Failed: []Failure{{Package: "example.com/x", Output: out}}})
|
||||
if !strings.HasPrefix(v.Failed.Words, "the package failed with no test to name and no panic, signal or build error in its output") {
|
||||
t.Errorf("1901/AC5: %q is worded %q", out, v.Failed.Words)
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
// A line of the test's own that starts as go's summary does, or that holds a runtime's words indented, is not taken for
|
||||
// either (review round 1): go prints its summary in exact forms and the runtime's lines at column 0.
|
||||
func TestOnlyGosExactFormsAreSummaryOrCause(t *testing.T) { // 1901/AC5
|
||||
out := " x_test.go:3: ok so far\nok then: the seat is free\n panic: child retried and recovered\npanic: the real one\nFAIL\tp\t1.0s"
|
||||
v := levelFailure(&target{}, "unit", Tested{Failed: []Failure{{Package: "p", Output: out}}})
|
||||
if !strings.HasPrefix(v.Failed.Words, "panic: the real one") || !strings.Contains(v.Failed.Words, "ok then: the seat is free") {
|
||||
t.Errorf("1901/AC5: words = %q", v.Failed.Words)
|
||||
}
|
||||
}
|
||||
|
||||
// The words keep MaxWords exactly, counting the cause, the marker and the newlines (review round 1).
|
||||
func TestTheWordsKeepTheirBoundExactly(t *testing.T) { // 1901/AC5
|
||||
for _, cause := range []string{"", "a cause", strings.Repeat("c", 3000)} {
|
||||
for _, n := range []int{100, 170, 171, 172, 500} {
|
||||
f := Failure{Package: "p", Test: "TestX", Cause: cause, Output: strings.Repeat("a log line of twenty\n", n) + "the end"}
|
||||
if w := failureWords(f); len(w) > MaxWords {
|
||||
t.Errorf("1901/AC5: cause %d bytes, %d lines: words are %d bytes, bound %d", len(cause), n, len(w), MaxWords)
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
@@ -6,7 +6,6 @@ import (
|
||||
"fmt"
|
||||
"path"
|
||||
"regexp"
|
||||
"sort"
|
||||
"strings"
|
||||
)
|
||||
|
||||
@@ -37,8 +36,6 @@ type Forge interface {
|
||||
OnTrunk(ctx context.Context, repository, commit string) (bool, error)
|
||||
// FullSHA is the 40-digit sha of a commit named by its first 12 digits.
|
||||
FullSHA(ctx context.Context, repository, commit string) (string, error)
|
||||
// BranchHeads is the commit every branch of a repository points at, by branch name (issue 1921).
|
||||
BranchHeads(ctx context.Context, repository string) (map[string]string, error)
|
||||
}
|
||||
|
||||
var pseudoVersion = regexp.MustCompile(`-([0-9a-f]{12})$`)
|
||||
@@ -96,18 +93,6 @@ func (st *state) checkPinsOf(ctx context.Context, t *target) verdictPtr {
|
||||
if onTrunk {
|
||||
continue
|
||||
}
|
||||
if st.c.Try != nil {
|
||||
// A try only (issue 1921): a repository tried on a branch that mesh-sdk shares by name (a milestone's branch across
|
||||
// repositories) is built with that branch's mesh-sdk head, which no group pull request holds before the pull requests exist.
|
||||
branch, err := st.sameBranchPin(ctx, t, pin)
|
||||
if err != nil {
|
||||
return failed(forgeMachine(err, t.node), fmt.Sprintf("%s#%d: whether mesh-sdk %s is the head of a branch cannot be told: %v%s", t.pull.Repository, t.pull.Number, pin, err, unheardWords(err)))
|
||||
}
|
||||
if branch != "" {
|
||||
st.c.note(fmt.Sprintf("pin accepted: head of mesh-sdk %s", branch))
|
||||
continue
|
||||
}
|
||||
}
|
||||
nor := "the group has no mesh-sdk pull request"
|
||||
if sdk != nil {
|
||||
nor = "the head of the group's mesh-sdk pull request is " + short12(sdk.Head)
|
||||
@@ -118,35 +103,6 @@ func (st *state) checkPinsOf(ctx context.Context, t *target) verdictPtr {
|
||||
return nil
|
||||
}
|
||||
|
||||
// sameBranchPin names the branch of the tried repository that points at the tried head and that mesh-sdk also has, at the
|
||||
// commit the pin names; empty when there is none.
|
||||
func (st *state) sameBranchPin(ctx context.Context, t *target, pin string) (string, error) {
|
||||
mine, err := st.j.Forge.BranchHeads(ctx, t.pull.Repository)
|
||||
if err != nil {
|
||||
return "", err
|
||||
}
|
||||
var same []string
|
||||
for name, head := range mine {
|
||||
if head == t.pull.Head && name != "main" {
|
||||
same = append(same, name)
|
||||
}
|
||||
}
|
||||
if len(same) == 0 {
|
||||
return "", nil
|
||||
}
|
||||
sdk, err := st.j.Forge.BranchHeads(ctx, SDKRepository)
|
||||
if err != nil {
|
||||
return "", err
|
||||
}
|
||||
sort.Strings(same)
|
||||
for _, name := range same {
|
||||
if h, ok := sdk[name]; ok && strings.HasPrefix(h, pin) {
|
||||
return name, nil
|
||||
}
|
||||
}
|
||||
return "", nil
|
||||
}
|
||||
|
||||
// failureVerdict is a verdict of failure the check ends with.
|
||||
|
||||
// pinHint is added to the failure of a Go member's fetch that names mesh-sdk while the group holds a mesh-sdk pull request:
|
||||
|
||||
@@ -18,15 +18,6 @@ type fakeForge struct {
|
||||
onTrunk map[string]bool // by commit prefix
|
||||
err error
|
||||
errAt map[string]error // by ref: a read at that ref fails with it
|
||||
// branches are the branches of a repository with the commit each points at.
|
||||
branches map[string]map[string]string
|
||||
}
|
||||
|
||||
func (f *fakeForge) BranchHeads(_ context.Context, repository string) (map[string]string, error) {
|
||||
if f.err != nil {
|
||||
return nil, f.err
|
||||
}
|
||||
return f.branches[repository], nil
|
||||
}
|
||||
|
||||
func (f *fakeForge) File(_ context.Context, repository, path, ref string) (string, error) {
|
||||
@@ -253,39 +244,6 @@ func TestTheSiblingsAreWhereTheTestsStateThem(t *testing.T) { // review D2, ADR
|
||||
}
|
||||
}
|
||||
|
||||
// 1295/R4g: the node-engine's tests read the controller's manifest, so a mesh-host pull request has mesh-controller beside it:
|
||||
// at the group member's head when the group holds one, else at its trunk.
|
||||
func hostCase(t *testing.T, pulls ...delivery.CandidatePull) *Case {
|
||||
t.Helper()
|
||||
c, err := delivery.DecodeCandidate(candidateOf(t, "feat/x", pulls...))
|
||||
if err != nil {
|
||||
t.Fatal(err)
|
||||
}
|
||||
cs := CaseOf(c, map[string]string{"novox/mesh-host": trunkA, controllerRepo: trunkA2})
|
||||
if cs == nil {
|
||||
t.Fatal("no case")
|
||||
}
|
||||
return cs
|
||||
}
|
||||
|
||||
func TestTheNodeEnginesTestsHaveTheControllerBesideThem(t *testing.T) {
|
||||
const host = "novox/mesh-host"
|
||||
b := newBench(t)
|
||||
b.ex.Trunks = trunksOf(t, map[string]string{host: trunkA, controllerRepo: trunkA2, catalogueRepository: trunkS, SDKRepository: trunkS})
|
||||
b.judge(t, hostCase(t, pullOf(host, 5, head1)))
|
||||
if c := besideOf(t, b, host)[controllerRepo]; c.Commit != trunkA2 || c.Ref != "" {
|
||||
t.Errorf("the controller beside the node-engine alone = %+v, want its trunk %s", c, trunkA2)
|
||||
}
|
||||
b = newBench(t)
|
||||
b.ex.Trunks = trunksOf(t, map[string]string{host: trunkA, controllerRepo: trunkA2, catalogueRepository: trunkS, SDKRepository: trunkS})
|
||||
b.ex.Forge = &fakeForge{goMods: map[string]string{controllerRepo + " go.mod " + head2: capturedGoMod(t, "cb54756c3865")},
|
||||
onTrunk: map[string]bool{"cb54756c3865": true}}
|
||||
b.judge(t, hostCase(t, pullOf(host, 5, head1), pullOf(controllerRepo, 9, head2)))
|
||||
if c := besideOf(t, b, host)[controllerRepo]; c.Commit != head2 || c.Ref != "refs/pull/9/head" {
|
||||
t.Errorf("the controller beside the node-engine in a group = %+v, want the member's head %s", c, head2)
|
||||
}
|
||||
}
|
||||
|
||||
func TestThePinOfTheControllerThatCannotBeReadFailsTheCheck(t *testing.T) { // review D2
|
||||
b := newBench(t)
|
||||
b.ex.Trunks = trunksOf(t, map[string]string{"novox/mesh-controller": trunkA})
|
||||
@@ -355,56 +313,3 @@ func TestAMeshLabHeadGetsACheck(t *testing.T) {
|
||||
t.Fatalf("mesh-lab was not fetched: %+v", fetched)
|
||||
}
|
||||
}
|
||||
|
||||
// 1295: the node-engine's step-nine test fails without the controller beside it, so a checker that knows no trunk head of the
|
||||
// controller fails the check at the placing, loudly, and does not place none.
|
||||
func TestTheNodeEnginesCheckFailsWhereTheControllersTrunkIsNotKnown(t *testing.T) {
|
||||
const host = "novox/mesh-host"
|
||||
b := newBench(t)
|
||||
b.ex.Trunks = trunksOf(t, map[string]string{host: trunkA, catalogueRepository: trunkS, SDKRepository: trunkS})
|
||||
v := b.judge(t, hostCase(t, pullOf(host, 5, head1))).Verdict
|
||||
if v.State != delivery.VerdictFail || !strings.Contains(v.Failed.Words, "mesh-controller") || !strings.Contains(v.Failed.Words, "cannot be placed") {
|
||||
t.Fatalf("verdict = %+v", v)
|
||||
}
|
||||
}
|
||||
|
||||
// sameBranchBench is a try of mesh-delivery's feat/r6 at head1 whose go.mod pins the SDK at pin, with the SDK's feat/r6 at head2.
|
||||
func sameBranchBench(t *testing.T, pin string) (*bench, *Case) {
|
||||
b := groupBench(t, pin)
|
||||
b.ex.Forge.(*fakeForge).branches = map[string]map[string]string{
|
||||
repoA: {"main": trunkA, "feat/r6": head1},
|
||||
repoSDK: {"main": "cb54756c3865" + strings.Repeat("0", 28), "feat/r6": head2},
|
||||
}
|
||||
c := caseOf(t, pullOf(repoA, 7, head1))
|
||||
c.Try = &TryOptions{}
|
||||
return b, c
|
||||
}
|
||||
|
||||
func TestATryPinnedToTheHeadOfTheSDKBranchOfTheTriedBranchPasses(t *testing.T) { // 1921/AC1
|
||||
b, c := sameBranchBench(t, head2[:12])
|
||||
if v := b.judge(t, c).Verdict; v.State != delivery.VerdictPass {
|
||||
t.Fatalf("verdict = %+v", v)
|
||||
}
|
||||
if n := c.Notes(); len(n) != 1 || n[0] != "pin accepted: head of mesh-sdk feat/r6" {
|
||||
t.Errorf("notes = %q", n)
|
||||
}
|
||||
}
|
||||
|
||||
func TestATryPinnedToAnotherCommitIsStillRefused(t *testing.T) { // 1921/AC2
|
||||
b, c := sameBranchBench(t, "9aaa5c80ac5c")
|
||||
v := b.judge(t, c).Verdict
|
||||
if v.State != delivery.VerdictFail || !strings.Contains(v.Failed.Words, "9aaa5c80ac5c") || !strings.Contains(v.Failed.Words, "neither on mesh-sdk's trunk nor the group's head") {
|
||||
t.Fatalf("verdict = %+v", v)
|
||||
}
|
||||
if len(c.Notes()) != 0 {
|
||||
t.Errorf("notes = %q", c.Notes())
|
||||
}
|
||||
}
|
||||
|
||||
func TestAMergeCheckWithTheSameBranchPinIsStillRefusedWithoutAGroupPullRequest(t *testing.T) { // 1921/AC3
|
||||
b, _ := sameBranchBench(t, head2[:12])
|
||||
v := b.judge(t, caseOf(t, pullOf(repoA, 7, head1))).Verdict // no Try: a pull request's check
|
||||
if v.State != delivery.VerdictFail || !strings.Contains(v.Failed.Words, "the group has no mesh-sdk pull request") {
|
||||
t.Fatalf("verdict = %+v", v)
|
||||
}
|
||||
}
|
||||
|
||||
@@ -89,46 +89,37 @@ func (r Reader) read(key string, raw json.RawMessage) (VerdictRead, error) {
|
||||
return out, nil
|
||||
}
|
||||
|
||||
// Verdicts are the verdicts the checker holds, by key; with a group only that group's. The keys are narrowed by the group
|
||||
// before any value is read, at most MaxReads are read (sixteen at a time), and cut says when it stopped there.
|
||||
func (r Reader) Verdicts(group string) (out []VerdictRead, cut string, err error) {
|
||||
// Verdicts are the verdicts the checker holds, by key; with a group only that group's.
|
||||
func (r Reader) Verdicts(group string) ([]VerdictRead, error) {
|
||||
if r.VerdictState.Keys == nil || r.VerdictState.Get == nil {
|
||||
return nil, "", fmt.Errorf("the verdicts state cannot be read here")
|
||||
return nil, fmt.Errorf("the verdicts state cannot be read here")
|
||||
}
|
||||
keys, err := r.VerdictState.Keys()
|
||||
if err != nil {
|
||||
return nil, "", err
|
||||
return nil, err
|
||||
}
|
||||
sort.Strings(keys)
|
||||
var matching []string
|
||||
var out []VerdictRead
|
||||
for _, k := range keys {
|
||||
if group != "" {
|
||||
if g, _, err := delivery.ParseCheckerVerdictKey(k); err != nil || g != group {
|
||||
continue
|
||||
}
|
||||
}
|
||||
matching = append(matching, k)
|
||||
}
|
||||
matching, cut = capKeys(matching, "give a group to narrow the answer")
|
||||
rows := make([]VerdictRead, len(matching))
|
||||
found := make([]bool, len(matching))
|
||||
if err := parallel(len(matching), func(i int) error {
|
||||
raw, err := r.VerdictState.Get(matching[i])
|
||||
if err != nil || len(raw) == 0 {
|
||||
return err
|
||||
raw, err := r.VerdictState.Get(k)
|
||||
if err != nil {
|
||||
return nil, err
|
||||
}
|
||||
rows[i], err = r.read(matching[i], raw)
|
||||
found[i] = err == nil
|
||||
return err
|
||||
}); err != nil {
|
||||
return nil, "", err
|
||||
}
|
||||
for i, row := range rows {
|
||||
if found[i] {
|
||||
out = append(out, row)
|
||||
if len(raw) == 0 {
|
||||
continue
|
||||
}
|
||||
vr, err := r.read(k, raw)
|
||||
if err != nil {
|
||||
return nil, err
|
||||
}
|
||||
out = append(out, vr)
|
||||
}
|
||||
return out, cut, nil
|
||||
return out, nil
|
||||
}
|
||||
|
||||
// Pull answers for one pull request: the verdict of the candidate that holds it, with its report; for one the indexer holds
|
||||
@@ -142,95 +133,74 @@ func (r Reader) Pull(repository string, number int) (VerdictRead, error) {
|
||||
return VerdictRead{}, err
|
||||
}
|
||||
sort.Strings(keys)
|
||||
keys, cut := capKeys(keys, "")
|
||||
// The candidates are read in batches, each in parallel and taken in key order, so the read stops at the batch that holds it.
|
||||
for from := 0; from < len(keys); from += ReadWorkers * 4 {
|
||||
batch := keys[from:min(from+ReadWorkers*4, len(keys))]
|
||||
cands := make([]delivery.Candidate, len(batch))
|
||||
ok := make([]bool, len(batch))
|
||||
_ = parallel(len(batch), func(i int) error {
|
||||
raw, err := r.CandidateState.Get(batch[i])
|
||||
if err != nil || len(raw) == 0 {
|
||||
return nil
|
||||
}
|
||||
c, err := delivery.DecodeCandidate(raw)
|
||||
cands[i], ok[i] = c, err == nil
|
||||
return nil
|
||||
})
|
||||
for i, c := range cands {
|
||||
if !ok[i] {
|
||||
for _, k := range keys {
|
||||
raw, err := r.CandidateState.Get(k)
|
||||
if err != nil || len(raw) == 0 {
|
||||
continue
|
||||
}
|
||||
c, err := delivery.DecodeCandidate(raw)
|
||||
if err != nil {
|
||||
continue
|
||||
}
|
||||
for _, p := range c.Pulls {
|
||||
if p.Repository != repository || p.Number != number {
|
||||
continue
|
||||
}
|
||||
for _, p := range c.Pulls {
|
||||
if p.Repository != repository || p.Number != number {
|
||||
continue
|
||||
}
|
||||
vkey, err := delivery.CheckerVerdictKey(c.Group, c.HeadsHash)
|
||||
if err != nil {
|
||||
return VerdictRead{}, err
|
||||
}
|
||||
vraw, err := r.VerdictState.Get(vkey)
|
||||
if err != nil {
|
||||
return VerdictRead{}, err
|
||||
}
|
||||
if len(vraw) == 0 {
|
||||
return VerdictRead{Key: vkey, Note: "no verdict yet for the heads of its candidate"}, nil
|
||||
}
|
||||
return r.read(vkey, vraw)
|
||||
vkey, err := delivery.CheckerVerdictKey(c.Group, c.HeadsHash)
|
||||
if err != nil {
|
||||
return VerdictRead{}, err
|
||||
}
|
||||
vraw, err := r.VerdictState.Get(vkey)
|
||||
if err != nil {
|
||||
return VerdictRead{}, err
|
||||
}
|
||||
if len(vraw) == 0 {
|
||||
return VerdictRead{Key: vkey, Note: "no verdict yet for the heads of its candidate"}, nil
|
||||
}
|
||||
return r.read(vkey, vraw)
|
||||
}
|
||||
}
|
||||
if cut != "" {
|
||||
return VerdictRead{}, fmt.Errorf("no candidate among the first %d holds %s#%d", MaxReads, repository, number)
|
||||
}
|
||||
return VerdictRead{}, fmt.Errorf("no candidate holds %s#%d", repository, number)
|
||||
}
|
||||
|
||||
// Kept is the kept verdicts: one key's value as stored, or with an empty key the keys of a level (or every level) and their values.
|
||||
func (r Reader) Kept(level, digest string) (map[string]json.RawMessage, string, error) {
|
||||
func (r Reader) Kept(level, digest string) (map[string]json.RawMessage, error) {
|
||||
if r.KeptState.Keys == nil || r.KeptState.Get == nil {
|
||||
return nil, "", fmt.Errorf("the kept state cannot be read here")
|
||||
return nil, fmt.Errorf("the kept state cannot be read here")
|
||||
}
|
||||
if digest != "" {
|
||||
key, err := delivery.KeptKey(level, digest)
|
||||
if err != nil {
|
||||
return nil, "", err
|
||||
return nil, err
|
||||
}
|
||||
raw, err := r.KeptState.Get(key)
|
||||
if err != nil {
|
||||
return nil, "", err
|
||||
return nil, err
|
||||
}
|
||||
if len(raw) == 0 {
|
||||
return nil, "", fmt.Errorf("no kept verdict %s", key)
|
||||
return nil, fmt.Errorf("no kept verdict %s", key)
|
||||
}
|
||||
return map[string]json.RawMessage{key: raw}, "", nil
|
||||
return map[string]json.RawMessage{key: raw}, nil
|
||||
}
|
||||
keys, err := r.KeptState.Keys()
|
||||
if err != nil {
|
||||
return nil, "", err
|
||||
return nil, err
|
||||
}
|
||||
sort.Strings(keys)
|
||||
var matching []string
|
||||
for _, k := range keys {
|
||||
if l, _, err := delivery.ParseKeptKey(k); err == nil && (level == "" || l == level) {
|
||||
matching = append(matching, k)
|
||||
}
|
||||
}
|
||||
matching, cut := capKeys(matching, "give a level and a digest to read one")
|
||||
values := make([]json.RawMessage, len(matching))
|
||||
if err := parallel(len(matching), func(i int) (err error) {
|
||||
values[i], err = r.KeptState.Get(matching[i])
|
||||
return err
|
||||
}); err != nil {
|
||||
return nil, "", err
|
||||
}
|
||||
out := map[string]json.RawMessage{}
|
||||
for i, k := range matching {
|
||||
if len(values[i]) > 0 {
|
||||
out[k] = values[i]
|
||||
for _, k := range keys {
|
||||
if l, _, err := delivery.ParseKeptKey(k); err != nil || (level != "" && l != level) {
|
||||
continue
|
||||
}
|
||||
raw, err := r.KeptState.Get(k)
|
||||
if err != nil {
|
||||
return nil, err
|
||||
}
|
||||
if len(raw) > 0 {
|
||||
out[k] = raw
|
||||
}
|
||||
}
|
||||
return out, cut, nil
|
||||
return out, nil
|
||||
}
|
||||
|
||||
// PreviewRead is one preview as stored, with the parts of its key.
|
||||
@@ -244,18 +214,17 @@ type PreviewRead struct {
|
||||
|
||||
// Previews are the previews the checker holds, each as stored. With a repository only that repository's; with a head (a
|
||||
// prefix of at least 7 characters is enough) only previews of that head. A key that is no preview key is listed as unreadable.
|
||||
func (r Reader) Previews(repository, head string) ([]PreviewRead, []string, string, error) {
|
||||
func (r Reader) Previews(repository, head string) ([]PreviewRead, []string, error) {
|
||||
if r.PreviewState.Keys == nil || r.PreviewState.Get == nil {
|
||||
return nil, nil, "", fmt.Errorf("the previews state cannot be read here")
|
||||
return nil, nil, fmt.Errorf("the previews state cannot be read here")
|
||||
}
|
||||
keys, err := r.PreviewState.Keys()
|
||||
if err != nil {
|
||||
return nil, nil, "", err
|
||||
return nil, nil, err
|
||||
}
|
||||
sort.Strings(keys)
|
||||
type part struct{ repo, head, trunk string }
|
||||
parts := map[string]part{}
|
||||
var matching, bad []string
|
||||
out := []PreviewRead{}
|
||||
var bad []string
|
||||
for _, k := range keys {
|
||||
repo, h, trunk, err := delivery.ParsePreviewKey(k)
|
||||
if err != nil {
|
||||
@@ -265,25 +234,15 @@ func (r Reader) Previews(repository, head string) ([]PreviewRead, []string, stri
|
||||
if (repository != "" && repo != repository) || (head != "" && !strings.HasPrefix(h, head)) {
|
||||
continue
|
||||
}
|
||||
parts[k] = part{repo, h, trunk}
|
||||
matching = append(matching, k)
|
||||
}
|
||||
matching, cut := capKeys(matching, "give a repository and a head to narrow the answer")
|
||||
values := make([]json.RawMessage, len(matching))
|
||||
if err := parallel(len(matching), func(i int) (err error) {
|
||||
values[i], err = r.PreviewState.Get(matching[i])
|
||||
return err
|
||||
}); err != nil {
|
||||
return nil, nil, "", err
|
||||
}
|
||||
out := []PreviewRead{}
|
||||
for i, k := range matching {
|
||||
if len(values[i]) > 0 {
|
||||
p := parts[k]
|
||||
out = append(out, PreviewRead{Key: k, Repository: p.repo, Head: p.head, Trunk: p.trunk, Preview: values[i]})
|
||||
raw, err := r.PreviewState.Get(k)
|
||||
if err != nil {
|
||||
return nil, nil, err
|
||||
}
|
||||
if len(raw) > 0 {
|
||||
out = append(out, PreviewRead{Key: k, Repository: repo, Head: h, Trunk: trunk, Preview: raw})
|
||||
}
|
||||
}
|
||||
return out, bad, cut, nil
|
||||
return out, bad, nil
|
||||
}
|
||||
|
||||
// RunningStep is a step in flight on a build module.
|
||||
@@ -341,28 +300,16 @@ func (r Reader) Status() (Status, error) {
|
||||
st.Notes = append(st.Notes, "the steps of "+m+" cannot be listed: "+err.Error())
|
||||
continue
|
||||
}
|
||||
// A step that runs started lately: the newest ids are read first, at most MaxReads of them.
|
||||
newestFirst(keys)
|
||||
keys, cut := capKeys(keys, "")
|
||||
if cut != "" {
|
||||
st.Notes = append(st.Notes, "the steps of "+m+": read the newest "+fmt.Sprint(MaxReads)+" of its keys; a step older than those is not shown")
|
||||
}
|
||||
steps := make([]delivery.Step, len(keys))
|
||||
isRunning := make([]bool, len(keys))
|
||||
_ = parallel(len(keys), func(i int) error {
|
||||
raw, err := sr.Get(keys[i])
|
||||
sort.Strings(keys)
|
||||
for _, k := range keys {
|
||||
raw, err := sr.Get(k)
|
||||
if err != nil || len(raw) == 0 {
|
||||
return nil
|
||||
}
|
||||
step, err := delivery.DecodeStep(raw)
|
||||
steps[i], isRunning[i] = step, err == nil && step.State == delivery.StepRunning
|
||||
return nil
|
||||
})
|
||||
for i := range keys {
|
||||
if !isRunning[i] {
|
||||
continue
|
||||
}
|
||||
step := steps[i]
|
||||
step, err := delivery.DecodeStep(raw)
|
||||
if err != nil || step.State != delivery.StepRunning {
|
||||
continue
|
||||
}
|
||||
rs := RunningStep{Module: m, Node: step.Node, ID: step.ID, Tool: step.Tool}
|
||||
if !step.Started.IsZero() {
|
||||
rs.Since = step.Started.UTC().Format("2006-01-02T15:04:05Z")
|
||||
@@ -397,41 +344,23 @@ func (r Reader) Status() (Status, error) {
|
||||
return st, err
|
||||
}
|
||||
sort.Strings(keys)
|
||||
total := len(keys)
|
||||
keys, cut := capKeys(keys, "")
|
||||
if cut != "" {
|
||||
st.Notes = append(st.Notes, fmt.Sprintf("read the first %d candidates of %d", MaxReads, total))
|
||||
}
|
||||
type judged struct {
|
||||
c delivery.Candidate
|
||||
raw json.RawMessage
|
||||
ok bool
|
||||
}
|
||||
rows := make([]judged, len(keys))
|
||||
_ = parallel(len(keys), func(i int) error {
|
||||
raw, err := r.CandidateState.Get(keys[i])
|
||||
for _, k := range keys {
|
||||
raw, err := r.CandidateState.Get(k)
|
||||
if err != nil || len(raw) == 0 {
|
||||
return nil
|
||||
continue
|
||||
}
|
||||
c, err := delivery.DecodeCandidate(raw)
|
||||
if err != nil {
|
||||
return nil
|
||||
continue
|
||||
}
|
||||
vkey, err := delivery.CheckerVerdictKey(c.Group, c.HeadsHash)
|
||||
if err != nil {
|
||||
return nil
|
||||
}
|
||||
rows[i].c = c
|
||||
if vraw, err := r.VerdictState.Get(vkey); err == nil {
|
||||
rows[i].raw, rows[i].ok = vraw, true
|
||||
}
|
||||
return nil
|
||||
})
|
||||
for _, row := range rows {
|
||||
if !row.ok {
|
||||
continue
|
||||
}
|
||||
c, raw := row.c, row.raw
|
||||
raw, err = r.VerdictState.Get(vkey)
|
||||
if err != nil {
|
||||
continue
|
||||
}
|
||||
if len(raw) == 0 {
|
||||
st.Unjudged = append(st.Unjudged, c.Group)
|
||||
st.Waiting[KindNew] = append(st.Waiting[KindNew], c.Group)
|
||||
|
||||
@@ -3,9 +3,7 @@ package check
|
||||
import (
|
||||
"context"
|
||||
"encoding/json"
|
||||
"fmt"
|
||||
"strings"
|
||||
"sync/atomic"
|
||||
"testing"
|
||||
"time"
|
||||
|
||||
@@ -53,7 +51,7 @@ func readerOf(t *testing.T) (Reader, string) {
|
||||
|
||||
func TestTheVerdictToolsAnswerTheStoredVerdictWithTheFullReportOfEachPullRequest(t *testing.T) { // N9/AC1, 1686
|
||||
rd, key := readerOf(t)
|
||||
vs, _, err := rd.Verdicts("")
|
||||
vs, err := rd.Verdicts("")
|
||||
if err != nil || len(vs) != 1 || vs[0].Key != key {
|
||||
t.Fatalf("verdicts = %+v, %v", vs, err)
|
||||
}
|
||||
@@ -63,7 +61,7 @@ func TestTheVerdictToolsAnswerTheStoredVerdictWithTheFullReportOfEachPullRequest
|
||||
if got := vs[0].Reports["novox/mesh-delivery#7"]; !strings.HasPrefix(got, "pass 111111111111 on aaaaaaaaaaaa") || !strings.Contains(got, "composition not yet run") {
|
||||
t.Errorf("reports = %v", vs[0].Reports)
|
||||
}
|
||||
if only, _, _ := rd.Verdicts("feat/other"); len(only) != 0 {
|
||||
if only, _ := rd.Verdicts("feat/other"); len(only) != 0 {
|
||||
t.Errorf("another group's verdicts = %+v", only)
|
||||
}
|
||||
}
|
||||
@@ -87,11 +85,11 @@ func TestAnHqPullRequestIsAnsweredAsAnyOther(t *testing.T) {
|
||||
|
||||
func TestTheKeptToolAnswersTheKeysAsStoredByLevelAndByDigest(t *testing.T) { // N9/AC1
|
||||
rd, _ := readerOf(t)
|
||||
all, _, err := rd.Kept("", "")
|
||||
all, err := rd.Kept("", "")
|
||||
if err != nil || len(all) != 1 {
|
||||
t.Fatalf("kept = %v, %v", all, err)
|
||||
}
|
||||
one, _, err := rd.Kept("unit", digA)
|
||||
one, err := rd.Kept("unit", digA)
|
||||
if err != nil || len(one) != 1 {
|
||||
t.Fatalf("one kept = %v, %v", one, err)
|
||||
}
|
||||
@@ -100,10 +98,10 @@ func TestTheKeptToolAnswersTheKeysAsStoredByLevelAndByDigest(t *testing.T) { //
|
||||
t.Errorf("kept value = %+v, %v", k, err)
|
||||
}
|
||||
}
|
||||
if none, _, _ := rd.Kept("integration", ""); len(none) != 0 {
|
||||
if none, _ := rd.Kept("integration", ""); len(none) != 0 {
|
||||
t.Errorf("integration = %v", none)
|
||||
}
|
||||
if _, _, err := rd.Kept("unit", digB); err == nil {
|
||||
if _, err := rd.Kept("unit", digB); err == nil {
|
||||
t.Error("a digest nothing kept was answered")
|
||||
}
|
||||
}
|
||||
@@ -117,17 +115,17 @@ func TestThePreviewsToolShowsTheStoredPreviewOfAPullRequest(t *testing.T) {
|
||||
}
|
||||
key, _ := delivery.PreviewKey(repoA, head1, head2)
|
||||
rd := Reader{PreviewState: fakeState{key: data, "junk": []byte("{}")}.read()}
|
||||
got, bad, _, err := rd.Previews(repoA, head1[:8])
|
||||
got, bad, err := rd.Previews(repoA, head1[:8])
|
||||
if err != nil || len(got) != 1 || got[0].Key != key || got[0].Head != head1 || got[0].Trunk != head2 || string(got[0].Preview) != string(data) {
|
||||
t.Fatalf("previews = %+v, %v", got, err)
|
||||
}
|
||||
if len(bad) != 1 || bad[0] != "junk" {
|
||||
t.Errorf("unreadable = %v", bad)
|
||||
}
|
||||
if got, _, _, _ := rd.Previews("novox/other", ""); len(got) != 0 {
|
||||
if got, _, _ := rd.Previews("novox/other", ""); len(got) != 0 {
|
||||
t.Errorf("another repository's = %+v", got)
|
||||
}
|
||||
if _, _, _, err := (Reader{}).Previews("", ""); err == nil {
|
||||
if _, _, err := (Reader{}).Previews("", ""); err == nil {
|
||||
t.Error("answered with no state to read")
|
||||
}
|
||||
}
|
||||
@@ -235,121 +233,3 @@ func TestTheStatusCountsAnHQOnlyGroupAsUnjudged(t *testing.T) {
|
||||
t.Errorf("unjudged = %v, want pb-x", st.Unjudged)
|
||||
}
|
||||
}
|
||||
|
||||
// slowBucket wraps a state with a Get that takes delay and counts the values read, the lists and the most Gets in flight.
|
||||
type slowBucket struct {
|
||||
vals fakeState
|
||||
reads, lists atomic.Int64
|
||||
inFlight, maxFlight atomic.Int64
|
||||
}
|
||||
|
||||
func (b *slowBucket) get(key string) (json.RawMessage, error) {
|
||||
b.reads.Add(1)
|
||||
now := b.inFlight.Add(1)
|
||||
for m := b.maxFlight.Load(); now > m && !b.maxFlight.CompareAndSwap(m, now); m = b.maxFlight.Load() {
|
||||
}
|
||||
time.Sleep(time.Millisecond)
|
||||
b.inFlight.Add(-1)
|
||||
return b.vals.read().Get(key)
|
||||
}
|
||||
|
||||
func (b *slowBucket) read() StateRead {
|
||||
return StateRead{Keys: func() ([]string, error) { b.lists.Add(1); return b.vals.read().Keys() }, Get: b.get}
|
||||
}
|
||||
|
||||
func (b *slowBucket) Keys() ([]string, error) { return b.read().Keys() }
|
||||
func (b *slowBucket) Get(key string) (json.RawMessage, error) { return b.get(key) }
|
||||
func (b *slowBucket) Create(string, []byte) error { return nil }
|
||||
|
||||
// 1827: a read tool lists the keys of a bucket of thousands and reads only the values its answer needs, sixteen at a time, at
|
||||
// most MaxReads, saying when it cut (on the live shape of 2026-10-26: kept 7990 keys, steps 10034, tries 1000s).
|
||||
func TestReadToolsReadOnlyWhatTheyNeedInParallelAndSayWhenCut(t *testing.T) { // 1827
|
||||
kept := fakeState{}
|
||||
for i := 0; i < 1800; i++ {
|
||||
level := map[bool]string{true: "unit", false: "integration"}[i%9 != 0]
|
||||
k, _ := delivery.KeptKey(level, fmt.Sprintf("%064x", i))
|
||||
kept[k] = []byte(`{"v":1}`)
|
||||
}
|
||||
previews := fakeState{}
|
||||
for i := 0; i < 1500; i++ {
|
||||
repo := map[bool]string{true: repoA, false: repoSDK}[i < 300]
|
||||
k, _ := delivery.PreviewKey(repo, fmt.Sprintf("%08x%032x", i, 0), trunkA)
|
||||
previews[k] = []byte(`{"v":1}`)
|
||||
}
|
||||
for _, row := range []struct {
|
||||
name string
|
||||
call func(*slowBucket) (rows int, cut string, err error)
|
||||
rows int
|
||||
reads, lists int64
|
||||
cut bool
|
||||
}{
|
||||
{"kept of one key", func(b *slowBucket) (int, string, error) {
|
||||
m, c, err := Reader{KeptState: b.read()}.Kept("unit", fmt.Sprintf("%064x", 1))
|
||||
return len(m), c, err
|
||||
}, 1, 1, 0, false},
|
||||
{"kept of a level", func(b *slowBucket) (int, string, error) {
|
||||
m, c, err := Reader{KeptState: b.read()}.Kept("integration", "")
|
||||
return len(m), c, err
|
||||
}, 200, 200, 1, false},
|
||||
{"kept of everything", func(b *slowBucket) (int, string, error) {
|
||||
m, c, err := Reader{KeptState: b.read()}.Kept("", "")
|
||||
return len(m), c, err
|
||||
}, MaxReads, MaxReads, 1, true},
|
||||
{"previews of a repository", func(b *slowBucket) (int, string, error) {
|
||||
p, _, c, err := Reader{PreviewState: b.read()}.Previews(repoSDK, "")
|
||||
return len(p), c, err
|
||||
}, 1200, 1000, 1, true},
|
||||
{"previews of a repository and a head", func(b *slowBucket) (int, string, error) {
|
||||
p, _, c, err := Reader{PreviewState: b.read()}.Previews(repoA, fmt.Sprintf("%08x", 7))
|
||||
return len(p), c, err
|
||||
}, 1, 1, 1, false},
|
||||
} {
|
||||
b := &slowBucket{}
|
||||
b.vals = kept
|
||||
if strings.HasPrefix(row.name, "previews") {
|
||||
b.vals = previews
|
||||
}
|
||||
start := time.Now()
|
||||
rows, cut, err := row.call(b)
|
||||
if err != nil {
|
||||
t.Fatalf("%s: %v", row.name, err)
|
||||
}
|
||||
if rows != min(row.rows, MaxReads) || b.reads.Load() != row.reads || b.lists.Load() != row.lists || (cut != "") != row.cut {
|
||||
t.Errorf("%s: %d rows, %d reads, %d lists, cut %q; want %d, %d, %d, cut %v", row.name, rows, b.reads.Load(), b.lists.Load(), cut, min(row.rows, MaxReads), row.reads, row.lists, row.cut)
|
||||
}
|
||||
if row.reads > 20 && b.maxFlight.Load() < 2 {
|
||||
t.Errorf("%s: values were read one at a time", row.name)
|
||||
}
|
||||
t.Logf("%s: %d values in %v (one after the other: %v)", row.name, b.reads.Load(), time.Since(start), time.Duration(b.reads.Load())*time.Millisecond)
|
||||
}
|
||||
|
||||
// The status reads the newest steps of a bucket of 1500 first, at most MaxReads, and finds the one that runs.
|
||||
now := time.Date(2026, 10, 26, 7, 0, 0, 0, time.UTC)
|
||||
steps := fakeState{}
|
||||
for i := 0; i < 1500; i++ {
|
||||
id := fmt.Sprintf("mvo5%04dabcdef", i)
|
||||
step := delivery.Step{ID: id, Tool: "t", Node: "g14", State: delivery.StepPassed}
|
||||
if i == 1499 {
|
||||
step.State, step.Started = delivery.StepRunning, now.Add(-time.Minute)
|
||||
}
|
||||
raw, _ := delivery.EncodeStep(step)
|
||||
steps["g14."+id] = raw
|
||||
}
|
||||
sb := &slowBucket{vals: steps}
|
||||
st, err := Reader{StepStates: map[string]StateRead{"mesh-build-go": sb.read()}, HaveState: fakeState{"g14.mesh-build-go": haveOf(t, delivery.PhaseRunning)}.read(),
|
||||
Now: func() time.Time { return now }}.Status()
|
||||
if err != nil || sb.reads.Load() != MaxReads || len(st.Running) != 1 || sb.maxFlight.Load() < 2 {
|
||||
t.Errorf("status: %d reads (want %d), running %+v, in flight %d, %v", sb.reads.Load(), MaxReads, st.Running, sb.maxFlight.Load(), err)
|
||||
}
|
||||
|
||||
// A new try reads the newest TryScan of 1500 ended tries, not all, and still finds the same head asked twice.
|
||||
tries := fakeState{}
|
||||
for i := 0; i < 1500; i++ {
|
||||
raw, _ := encodeTry(Try{ID: fmt.Sprintf("try-%d", 1700000000000000000+i), Repository: repoA, Head: head1, Trunk: trunkA, State: TryPass})
|
||||
tries[fmt.Sprintf("try-%d", 1700000000000000000+i)] = raw
|
||||
}
|
||||
tb := &slowBucket{vals: tries}
|
||||
if _, err := AskTry(tb, tryTrunks, TryAsk{Repository: repoA, Head: head2, Trunk: trunkA}, now); err != nil || tb.reads.Load() != TryScan {
|
||||
t.Errorf("AskTry read %d of 1500 tries (want %d), %v", tb.reads.Load(), TryScan, err)
|
||||
}
|
||||
}
|
||||
|
||||
@@ -29,8 +29,6 @@ const (
|
||||
TriesBucket = delivery.CheckerModule + "_" + TriesState
|
||||
// MaxTries is how many tries may wait or run at once, mesh-wide: each holds a build node for minutes.
|
||||
MaxTries = 4
|
||||
// TryScan is how many of the newest tries a new ask reads to find the ones that wait or run (issue 1827).
|
||||
TryScan = 64
|
||||
// TryKeep is how long an ended try's key is kept before the checker removes it.
|
||||
TryKeep = 7 * 24 * time.Hour
|
||||
)
|
||||
@@ -157,33 +155,15 @@ func AskTry(store TryStore, trunks map[string]string, a TryAsk, now time.Time) (
|
||||
if err != nil {
|
||||
return "", fmt.Errorf("the tries cannot be listed: %w", err)
|
||||
}
|
||||
// An ended try's key stays TryKeep, so the bucket holds thousands; one that waits or runs was asked lately. Only the
|
||||
// newest TryScan keys are read, in parallel (a try id is the time in nanoseconds, so the newest sorts last).
|
||||
sort.Slice(keys, func(i, j int) bool {
|
||||
if len(keys[i]) != len(keys[j]) {
|
||||
return len(keys[i]) > len(keys[j])
|
||||
}
|
||||
return keys[i] > keys[j]
|
||||
})
|
||||
if len(keys) > TryScan {
|
||||
keys = keys[:TryScan]
|
||||
}
|
||||
tries := make([]Try, len(keys))
|
||||
live := make([]bool, len(keys))
|
||||
if err := parallel(len(keys), func(i int) error {
|
||||
raw, err := store.Get(keys[i])
|
||||
sort.Strings(keys)
|
||||
var open []string
|
||||
for _, k := range keys {
|
||||
raw, err := store.Get(k)
|
||||
if err != nil || len(raw) == 0 {
|
||||
return nil
|
||||
continue
|
||||
}
|
||||
cur, err := DecodeTry(raw)
|
||||
tries[i], live[i] = cur, err == nil && !cur.Over()
|
||||
return nil
|
||||
}); err != nil {
|
||||
return "", err
|
||||
}
|
||||
var open []string
|
||||
for i, cur := range tries {
|
||||
if !live[i] {
|
||||
if err != nil || cur.Over() {
|
||||
continue
|
||||
}
|
||||
if cur.Repository == t.Repository && cur.Head == t.Head && cur.Trunk == t.Trunk && cur.Tests == t.Tests && cur.Level == t.Level {
|
||||
@@ -349,9 +329,6 @@ func (tr *Tryer) run(ctx context.Context, key string) {
|
||||
t.Took = t.Ended.Sub(t.Started).Round(time.Second).String()
|
||||
t.Levels, t.Machines = v.Levels, v.Machines
|
||||
t.Said = Report(v, cs, cs.Pulls[0], out.Builds, out.Slowest, out.Judged)
|
||||
for _, n := range cs.Notes() {
|
||||
t.Said += " | " + n
|
||||
}
|
||||
switch {
|
||||
case !judged || IsNodesFailure(v):
|
||||
t.State = TryError
|
||||
|
||||
@@ -96,14 +96,14 @@ func TestManifestDeclarations(t *testing.T) { // 1678/AC1
|
||||
if want := []state{{Name: "kept", History: 1}, {Name: "owed", History: 5}, {Name: "previews", History: 5}, {Name: "tries", History: 1}, {Name: "verdicts", History: 5}}; !reflect.DeepEqual(m.State, want) {
|
||||
t.Errorf("state = %+v, want %+v", m.State, want)
|
||||
}
|
||||
if want := []string{"mesh-build-go.steps", "mesh-build-go.toolchains", "mesh-build-node.steps", "mesh-build-node.toolchains", "mesh-controller.assignments",
|
||||
if want := []string{"mesh-build-go.steps", "mesh-build-go.toolchains", "mesh-build-node.steps", "mesh-build-node.toolchains",
|
||||
"mesh-delivery-assigner.compositions", "mesh-delivery-builder.builds", "mesh-delivery-gate.source", "mesh-delivery-indexer.candidates",
|
||||
"mesh-delivery-indexer.manifests", "mesh-delivery-indexer.modules", "mesh-delivery-watchman.presence", "node-engine.have"}; !reflect.DeepEqual(sorted(m.Reads), want) {
|
||||
t.Errorf("reads = %v, want %v", m.Reads, want)
|
||||
}
|
||||
// 1887/A5b: the checker reads nothing of the controller's plans-building (ADR 0483 superseded by ADR 0525 §7), calls no
|
||||
// build module's tool and holds no capacity: it puts check asks on the Go and Node build seats (ADR 0525 §1, §4).
|
||||
if want := []string{"gitea.gitea_commits", "gitea.gitea_compare", "gitea.gitea_get_file", "gitea.gitea_list_branches"}; !reflect.DeepEqual(sorted(m.Invokes), want) {
|
||||
if want := []string{"gitea.gitea_commits", "gitea.gitea_compare", "gitea.gitea_get_file"}; !reflect.DeepEqual(sorted(m.Invokes), want) {
|
||||
t.Errorf("invokes = %v, want only the forge's reads for a mesh-sdk pin (ADR 0484 clause 9)", m.Invokes)
|
||||
}
|
||||
if want := []string{"node-build-go", "node-build-node"}; !reflect.DeepEqual(sorted(m.Uses), want) {
|
||||
|
||||
@@ -21,7 +21,6 @@
|
||||
"mesh-build-go.toolchains",
|
||||
"mesh-build-node.steps",
|
||||
"mesh-build-node.toolchains",
|
||||
"mesh-controller.assignments",
|
||||
"mesh-delivery-assigner.compositions",
|
||||
"mesh-delivery-builder.builds",
|
||||
"mesh-delivery-gate.source",
|
||||
@@ -47,8 +46,7 @@
|
||||
"invokes": [
|
||||
"gitea.gitea_commits",
|
||||
"gitea.gitea_compare",
|
||||
"gitea.gitea_get_file",
|
||||
"gitea.gitea_list_branches"
|
||||
"gitea.gitea_get_file"
|
||||
],
|
||||
|
||||
"own-secrets": {
|
||||
|
||||
@@ -1 +0,0 @@
|
||||
These tests read files outside this directory (the whole catalogue, the repository, or its root files): mesh-build-go never keeps this package's verdict (issue 1935).
|
||||
@@ -22,8 +22,6 @@ import (
|
||||
"syscall"
|
||||
"time"
|
||||
|
||||
"git.novox.be/novox/mesh-sdk/go/process"
|
||||
|
||||
"github.com/nats-io/nats.go"
|
||||
"github.com/nats-io/nats.go/jetstream"
|
||||
|
||||
@@ -190,18 +188,18 @@ func run(ctx context.Context, getenv func(string) string, logOut io.Writer) erro
|
||||
call := callerOn(conn, cred.User)
|
||||
// No forge event is heard while the open pull requests are read and said (ADR 0443 §5): events and syncs take turns.
|
||||
var turn sync.Mutex
|
||||
kv, err := process.EssentialBucket(ctx, js, "bridge", headsBucket, "keep the heads it wrote on the forge stream")
|
||||
kv, err := js.KeyValue(ctx, headsBucket)
|
||||
if err != nil {
|
||||
return err
|
||||
return fmt.Errorf("the bucket %s: %w", headsBucket, err)
|
||||
}
|
||||
heads := kvHeads{kv}
|
||||
// Everything written on FORGE, an event's and a sync's, keeps the head in the bucket.
|
||||
rec := &recorder{pub: js, heads: heads, logger: logger}
|
||||
said := func(ctx context.Context) error { return syncOpen(ctx, call, rec, heads, &turn, logger) }
|
||||
// What the gate asks of the forge (ADR 0437 §8): its owed acts and its merges, each performed once per revision.
|
||||
performedKV, err := process.EssentialBucket(ctx, js, "bridge", performedBucket, "perform an act of the gate only once")
|
||||
performedKV, err := js.KeyValue(ctx, performedBucket)
|
||||
if err != nil {
|
||||
return err
|
||||
return fmt.Errorf("the bucket %s: %w", performedBucket, err)
|
||||
}
|
||||
perf := &performer{call: call, pub: rec, done: kvRevisions{performedKV}, logger: logger}
|
||||
watching := make(chan error, 3)
|
||||
@@ -209,12 +207,16 @@ func run(ctx context.Context, getenv func(string) string, logOut io.Writer) erro
|
||||
bucket string
|
||||
react func(ctx context.Context, key string, rev uint64, value []byte)
|
||||
}{{delivery.OwedBucket, perf.owed}, {delivery.MergesBucket, perf.merges}} {
|
||||
// The gate's buckets come with the gate and its grant; the bridge does not wait for them (no timer), and is started
|
||||
// again by its delivery when the gate arrives. A bucket refused or not answered is the same (issue 1945).
|
||||
kv := process.OptionalBucket(ctx, js, w.bucket, "nothing of it is performed until the bridge starts again", logger.Printf)
|
||||
if kv == nil {
|
||||
kv, err := js.KeyValue(ctx, w.bucket)
|
||||
if errors.Is(err, jetstream.ErrBucketNotFound) {
|
||||
// The gate's buckets come with the gate; the bridge does not wait for them (no timer), and is started again
|
||||
// by its delivery when the gate arrives.
|
||||
logger.Printf("the bucket %s does not exist yet: nothing of it is performed until the bridge starts again", w.bucket)
|
||||
continue
|
||||
}
|
||||
if err != nil {
|
||||
return fmt.Errorf("the bucket %s: %w", w.bucket, err)
|
||||
}
|
||||
go func() {
|
||||
watching <- watch(ctx, kv, func(key string, rev uint64, value []byte) {
|
||||
hctx, cancel := context.WithTimeout(ctx, syncDeadline)
|
||||
@@ -229,8 +231,7 @@ func run(ctx context.Context, getenv func(string) string, logOut io.Writer) erro
|
||||
go onReconnect(ctx, again, said, logger)
|
||||
cons, err := js.Consumer(ctx, eventsStream, cred.Node+"_"+cred.Module)
|
||||
if err != nil {
|
||||
// Essential: the forge's events are what the bridge carries.
|
||||
return fmt.Errorf("the consumer %s_%s on %s cannot be read (%v): the bridge hears no forge event without it, so it stops; where the bus refused it or did not answer, this module's consumes (made by the controller with its grant) have not reached the bus yet", cred.Node, cred.Module, eventsStream, err)
|
||||
return fmt.Errorf("the consumer %s_%s on %s: %w", cred.Node, cred.Module, eventsStream, err)
|
||||
}
|
||||
cc, err := cons.Consume(func(m jetstream.Msg) {
|
||||
hear(&turn, func() {
|
||||
|
||||
@@ -5,7 +5,6 @@ import (
|
||||
"context"
|
||||
"encoding/json"
|
||||
"errors"
|
||||
"fmt"
|
||||
"log"
|
||||
"slices"
|
||||
"strings"
|
||||
@@ -13,8 +12,6 @@ import (
|
||||
"testing"
|
||||
"time"
|
||||
|
||||
"git.novox.be/novox/mesh-sdk/go/process"
|
||||
|
||||
"github.com/nats-io/nats.go"
|
||||
"github.com/nats-io/nats.go/jetstream"
|
||||
|
||||
@@ -69,16 +66,6 @@ func body(m map[string]any) []byte {
|
||||
}
|
||||
|
||||
func TestReadableEventIsWrittenOnForgeAndAcked(t *testing.T) { // 1235/AC2 (unit part; the bus is the integration test)
|
||||
t.Run("1945: a refused bucket is said, or stops the start naming its grant", func(t *testing.T) {
|
||||
refusal := errors.New("nats: permissions violation for publish to $JS.API.STREAM.INFO.KV_x")
|
||||
var said []string
|
||||
if kv := process.OptionalBucket(context.Background(), refusingBus{refusal}, "x", "x is not heard", func(f string, a ...any) { said = append(said, fmt.Sprintf(f, a...)) }); kv != nil || len(said) != 1 || !strings.Contains(said[0], "permissions violation") {
|
||||
t.Errorf("an optional bucket refused: %v, said %v", kv, said)
|
||||
}
|
||||
if _, err := process.EssentialBucket(context.Background(), refusingBus{refusal}, "bridge", "x", "work"); err == nil || !strings.Contains(err.Error(), "grant of x") {
|
||||
t.Errorf("an essential bucket refused: %v, want its grant named", err)
|
||||
}
|
||||
})
|
||||
var logs bytes.Buffer
|
||||
m, pub := &fakeMsg{subject: "mesh.mod.gitea.event.pull.updated", data: body(nil)}, &fakePub{}
|
||||
handle(context.Background(), m, pub, nil, someFiles, log.New(&logs, "", 0))
|
||||
@@ -243,8 +230,3 @@ func someFiles(_, _, path, _ string) ([]byte, error) {
|
||||
}
|
||||
return nil, bridge.ErrNotFound
|
||||
}
|
||||
|
||||
// refusingBus refuses every bucket with err (issue 1945).
|
||||
type refusingBus struct{ err error }
|
||||
|
||||
func (r refusingBus) KeyValue(context.Context, string) (jetstream.KeyValue, error) { return nil, r.err }
|
||||
|
||||
@@ -3,7 +3,7 @@ module mesh-delivery-forge-bridge
|
||||
go 1.26.0
|
||||
|
||||
require (
|
||||
git.novox.be/novox/mesh-sdk/go v0.1.14-0.20261025211220-e0d1de047585
|
||||
git.novox.be/novox/mesh-sdk/go v0.1.14-0.20261022190740-104533e8c0c9
|
||||
github.com/nats-io/nats-server/v2 v2.11.17
|
||||
github.com/nats-io/nats.go v1.54.0
|
||||
)
|
||||
|
||||
@@ -1,7 +1,5 @@
|
||||
git.novox.be/novox/mesh-sdk/go v0.1.14-0.20261022190740-104533e8c0c9 h1:Ufmd2cYEXICQ817IGflccP9bexABE4WhIO49HPbaoSo=
|
||||
git.novox.be/novox/mesh-sdk/go v0.1.14-0.20261022190740-104533e8c0c9/go.mod h1:ouERNpZizzwZ0HLEtAypsY9FR20FyUgUYRni6J7kVCY=
|
||||
git.novox.be/novox/mesh-sdk/go v0.1.14-0.20261025211220-e0d1de047585 h1:7QoFH5qjXRpx5M4uPdYsVJ5qKl2082gq8n0lFxhoNIg=
|
||||
git.novox.be/novox/mesh-sdk/go v0.1.14-0.20261025211220-e0d1de047585/go.mod h1:ouERNpZizzwZ0HLEtAypsY9FR20FyUgUYRni6J7kVCY=
|
||||
github.com/antithesishq/antithesis-sdk-go v0.7.0-default-no-op h1:Z/MZK75wC/NSrkgqeNIa7jexam9uWzhLmFTSCPI/kn0=
|
||||
github.com/antithesishq/antithesis-sdk-go v0.7.0-default-no-op/go.mod h1:FQyySiasQQM8735Ddel3MRojmy4dA1IqCeyJ5jmPMbI=
|
||||
github.com/google/go-tpm v0.9.8 h1:slArAR9Ft+1ybZu0lBwpSmpwhRXaa85hWtMinMyRAWo=
|
||||
|
||||
@@ -1 +0,0 @@
|
||||
These tests read files outside this directory (the whole catalogue, the repository, or its root files): mesh-build-go never keeps this package's verdict (issue 1935).
|
||||
@@ -7,10 +7,8 @@ import (
|
||||
"encoding/json"
|
||||
"fmt"
|
||||
"io"
|
||||
"maps"
|
||||
"os"
|
||||
"path/filepath"
|
||||
"slices"
|
||||
"strings"
|
||||
"testing"
|
||||
"time"
|
||||
@@ -440,9 +438,8 @@ func TestIndexerGivesACandidateItsFingerprintWhenTheCheckerCreatesThePreviewsBuc
|
||||
|
||||
// TestAMergeOfMeshSDKChangingOnlyGoLeavesItsNamedTreeEqual: two merged messages of mesh-sdk (its module.json at 9cb4d59,
|
||||
// whose lib names its paths) differ in the root tree, as a change to go/ alone makes them, and carry the same objects of the
|
||||
// named paths; the module's kept tree, and so its fingerprint's tree input, is the same after both, its new form
|
||||
// (fingerprint or reason) does not move, and so the second writes no value at all (issue 1758, I9, ADR 0499 check clause 6
|
||||
// in miniature; the operator, 2026-10-25: a module's value moves only with the module).
|
||||
// named paths; the module's kept tree, and so its fingerprint's tree input, is the same after both, and its new form
|
||||
// (fingerprint or reason) does not move (issue 1758, I9, ADR 0499 check clause 6 in miniature).
|
||||
func TestAMergeOfMeshSDKChangingOnlyGoLeavesItsNamedTreeEqual(t *testing.T) {
|
||||
manifest, err := os.ReadFile("../../internal/index/testdata/sdk-9cb4d59-mesh-sdk.module.json")
|
||||
if err != nil {
|
||||
@@ -451,7 +448,7 @@ func TestAMergeOfMeshSDKChangingOnlyGoLeavesItsNamedTreeEqual(t *testing.T) {
|
||||
objects := map[string]string{"src": "1111111111111111111111111111111111111111", "test": "2222222222222222222222222222222222222222",
|
||||
"package.json": "3333333333333333333333333333333333333333", "package-lock.json": "4444444444444444444444444444444444444444", "tsconfig.json": "5555555555555555555555555555555555555555"}
|
||||
js, ctx, _, modules := startIndexer(t, func(context.Context, jetstream.KeyValue) {})
|
||||
publish := func(merge, root string, objects map[string]string) {
|
||||
merged := func(merge, root string) delivery.Module {
|
||||
data, err := delivery.EncodeForge(delivery.Forge{Kind: delivery.ForgeMerged, Repository: "novox/mesh-sdk", Branch: "feat/x", Number: 70,
|
||||
Head: "0123456789abcdef0123456789abcdef01234567", Merge: merge, Root: root, Trees: map[string]string{"": root},
|
||||
Manifests: map[string]string{"": string(manifest)}, Paths: map[string]map[string]string{"": objects}})
|
||||
@@ -461,8 +458,6 @@ func TestAMergeOfMeshSDKChangingOnlyGoLeavesItsNamedTreeEqual(t *testing.T) {
|
||||
if _, err := js.Publish(ctx, "mesh.stream.mesh-delivery-forge-bridge.event.forge.novox.mesh-sdk.merged", data); err != nil {
|
||||
t.Fatal(err)
|
||||
}
|
||||
}
|
||||
at := func(merge string) delivery.Module {
|
||||
var m delivery.Module
|
||||
for deadline := time.Now().Add(5 * time.Second); time.Now().Before(deadline); time.Sleep(50 * time.Millisecond) {
|
||||
if e, err := modules.Get(ctx, "mesh-sdk"); err == nil {
|
||||
@@ -474,206 +469,12 @@ func TestAMergeOfMeshSDKChangingOnlyGoLeavesItsNamedTreeEqual(t *testing.T) {
|
||||
t.Fatalf("modules.mesh-sdk = %+v within 5 s, want the merge %s", m, merge)
|
||||
return m
|
||||
}
|
||||
const firstMerge, secondMerge, thirdMerge = "89abcdef0123456789abcdef0123456789abcdef", "99abcdef0123456789abcdef0123456789abcdef", "a9abcdef0123456789abcdef0123456789abcdef"
|
||||
publish(firstMerge, "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", objects)
|
||||
first := at(firstMerge)
|
||||
if first.Inputs2 == nil || !strings.HasPrefix(first.Inputs2.Tree, delivery.NamedTreePrefix) {
|
||||
t.Fatalf("kept inputs %+v, want a named tree", first.Inputs2)
|
||||
first := merged("89abcdef0123456789abcdef0123456789abcdef", "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa")
|
||||
second := merged("99abcdef0123456789abcdef0123456789abcdef", "bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb")
|
||||
if first.Inputs2 == nil || second.Inputs2 == nil || first.Inputs2.Tree != second.Inputs2.Tree || !strings.HasPrefix(first.Inputs2.Tree, delivery.NamedTreePrefix) {
|
||||
t.Fatalf("kept trees %+v and %+v, want one named tree", first.Inputs2, second.Inputs2)
|
||||
}
|
||||
// The go/-only merge, then one that changes src/: the stream is taken in order, so once the third is written the second
|
||||
// was heard, and it wrote nothing: the module's value stays at the commit its fingerprint first appeared at (the
|
||||
// operator, 2026-10-25).
|
||||
publish(secondMerge, "bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb", objects)
|
||||
changed := maps.Clone(objects)
|
||||
changed["src"] = "6666666666666666666666666666666666666666"
|
||||
publish(thirdMerge, "cccccccccccccccccccccccccccccccccccccccc", changed)
|
||||
at(thirdMerge)
|
||||
history, err := modules.History(ctx, "mesh-sdk")
|
||||
if err != nil {
|
||||
t.Fatal(err)
|
||||
}
|
||||
var commits []string
|
||||
for _, e := range history {
|
||||
if m, err := delivery.DecodeModule(e.Value()); err == nil {
|
||||
commits = append(commits, m.Commit)
|
||||
if m.Commit == firstMerge && (m.Inputs2 == nil || m.Inputs2.Tree != first.Inputs2.Tree || m.FP2 != first.FP2 || m.None2 != first.None2) {
|
||||
t.Errorf("the value at the first merge moved: %+v, was %+v", m, first)
|
||||
}
|
||||
}
|
||||
}
|
||||
if slices.Contains(commits, secondMerge) {
|
||||
t.Errorf("the go/-only merge wrote a value: the commits written are %v", commits)
|
||||
}
|
||||
}
|
||||
|
||||
// TestIndexerJudgesAnUnreadableVerdictAgainAtStart: the modules bucket holds avahi as an older SDK wrote it, with the reason
|
||||
// 'the manifest cannot be read', the inputs the merge carried (the tree, the lock hash by file name) and the digest of its
|
||||
// manifest, which manifests.<digest> holds and the running SDK reads; the go toolchain is reported. Within 5 s of the start
|
||||
// and with no repository merge the value carries a fingerprint and no reason (issue 1923).
|
||||
func TestIndexerJudgesAnUnreadableVerdictAgainAtStart(t *testing.T) { // 1923/AC3
|
||||
manifest, err := os.ReadFile("../../internal/index/testdata/catalogue-a67f0196-avahi.module.json")
|
||||
if err != nil {
|
||||
t.Fatal(err)
|
||||
}
|
||||
const goSum = "3b5028f0c1e9bde04dd766abd63eb5931bc516bae695cf46f00abcd8510b0381"
|
||||
digest := delivery.ManifestDigest(manifest)
|
||||
_, ctx, _, modules := startIndexer(t, func(context.Context, jetstream.KeyValue) {}, func(ctx context.Context, js jetstream.JetStream) {
|
||||
mkey, err := delivery.ManifestsKey(digest)
|
||||
if err != nil {
|
||||
t.Fatal(err)
|
||||
}
|
||||
mdata, err := delivery.EncodeManifest(delivery.Manifest{Module: "avahi", JSON: string(manifest)})
|
||||
if err != nil {
|
||||
t.Fatal(err)
|
||||
}
|
||||
manifests, err := js.KeyValue(ctx, delivery.ManifestsBucket)
|
||||
if err != nil {
|
||||
t.Fatal(err)
|
||||
}
|
||||
if _, err := manifests.Put(ctx, mkey, mdata); err != nil {
|
||||
t.Fatal(err)
|
||||
}
|
||||
stale, err := delivery.EncodeModule(delivery.Module{Repository: "novox/mesh-catalog", Commit: "89abcdef0123456789abcdef0123456789abcdef", Path: "modules/avahi",
|
||||
Manifest: digest, None2: "the manifest cannot be read: claims node-build-go, which is a seat in the mesh's own namespace that it does not define",
|
||||
Inputs2: &delivery.KeptInputs2{Tree: "tree-avahi", Locks: map[string]string{"go.sum": goSum}}})
|
||||
if err != nil {
|
||||
t.Fatal(err)
|
||||
}
|
||||
held, err := js.KeyValue(ctx, delivery.ModulesBucket)
|
||||
if err != nil {
|
||||
t.Fatal(err)
|
||||
}
|
||||
if _, err := held.Put(ctx, "avahi", stale); err != nil {
|
||||
t.Fatal(err)
|
||||
}
|
||||
kv, err := js.CreateKeyValue(ctx, jetstream.KeyValueConfig{Bucket: delivery.ToolchainsBucket("mesh-build-go"), History: 1})
|
||||
if err != nil {
|
||||
t.Fatal(err)
|
||||
}
|
||||
key, err := delivery.ToolchainKey("n1", "go")
|
||||
if err != nil {
|
||||
t.Fatal(err)
|
||||
}
|
||||
value, err := delivery.EncodeToolchain(delivery.Toolchain{Language: "go", Version: "go1.27.1", Recipe: "1", At: time.Now()})
|
||||
if err != nil {
|
||||
t.Fatal(err)
|
||||
}
|
||||
if _, err := kv.Put(ctx, key, value); err != nil {
|
||||
t.Fatal(err)
|
||||
}
|
||||
})
|
||||
var got delivery.Module
|
||||
for deadline := time.Now().Add(5 * time.Second); time.Now().Before(deadline); time.Sleep(50 * time.Millisecond) {
|
||||
if e, err := modules.Get(ctx, "avahi"); err == nil {
|
||||
if m, err := delivery.DecodeModule(e.Value()); err == nil {
|
||||
if got = m; got.FP2 != "" {
|
||||
break
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
if got.FP2 == "" || got.None2 != "" {
|
||||
t.Errorf("avahi = fp2 %q none2 %q within 5 s of the start, want a fingerprint and no reason", got.FP2, got.None2)
|
||||
}
|
||||
}
|
||||
|
||||
// TestIndexerCountsOnlyTheAssignedBuildNodesToolchains (issue 1940): the toolchains bucket holds the report of n2, where
|
||||
// mesh-build-go was unassigned (its assignment ended) at another version than n1's, as ace's v26.12.0 stayed beside the
|
||||
// v26.12.1 of the nodes mesh-build-node runs on. The indexer gives the merged module a fingerprint from n1's toolchain
|
||||
// alone; when the controller assigns mesh-build-go to n2 again, its report counts and the builders disagree (the guard
|
||||
// stays); when the assignment ends again, the fingerprint comes back. No restart, no timer: the assignments' watch.
|
||||
func TestIndexerCountsOnlyTheAssignedBuildNodesToolchains(t *testing.T) {
|
||||
manifest, err := os.ReadFile("../../internal/index/testdata/catalogue-a67f0196-avahi.module.json")
|
||||
if err != nil {
|
||||
t.Fatal(err)
|
||||
}
|
||||
const goSum = "3b5028f0c1e9bde04dd766abd63eb5931bc516bae695cf46f00abcd8510b0381"
|
||||
var assignments jetstream.KeyValue
|
||||
js, ctx, _, modules := startIndexer(t, func(context.Context, jetstream.KeyValue) {}, func(ctx context.Context, js jetstream.JetStream) {
|
||||
kv, err := js.CreateKeyValue(ctx, jetstream.KeyValueConfig{Bucket: delivery.ToolchainsBucket("mesh-build-go"), History: 1})
|
||||
if err != nil {
|
||||
t.Fatal(err)
|
||||
}
|
||||
for node, version := range map[string]string{"n1": "go1.27.3", "n2": "go1.27.2"} {
|
||||
key, _ := delivery.ToolchainKey(node, "go")
|
||||
value, err := delivery.EncodeToolchain(delivery.Toolchain{Language: "go", Version: version, Recipe: "1", At: time.Now()})
|
||||
if err != nil {
|
||||
t.Fatal(err)
|
||||
}
|
||||
if _, err := kv.Put(ctx, key, value); err != nil {
|
||||
t.Fatal(err)
|
||||
}
|
||||
}
|
||||
// The controller's assignments mirror, in its layout (mesh-controller internal/chain Assignment).
|
||||
if assignments, err = js.CreateKeyValue(ctx, jetstream.KeyValueConfig{Bucket: "mesh-controller_assignments", History: 1}); err != nil {
|
||||
t.Fatal(err)
|
||||
}
|
||||
for key, value := range map[string]string{
|
||||
"n1.mesh-build-go": `{"node":"n1","module":"mesh-build-go","assigned":"2026-10-20T08:00:00Z"}`,
|
||||
"n2.mesh-build-go": `{"node":"n2","module":"mesh-build-go","assigned":"2026-10-20T08:00:00Z","ended":"2026-10-23T08:00:00Z"}`,
|
||||
} {
|
||||
if _, err := assignments.Put(ctx, key, []byte(value)); err != nil {
|
||||
t.Fatal(err)
|
||||
}
|
||||
}
|
||||
})
|
||||
data, err := delivery.EncodeForge(delivery.Forge{Kind: delivery.ForgeMerged, Repository: "novox/mesh-catalog", Branch: "feat/x", Number: 302,
|
||||
Head: "0123456789abcdef0123456789abcdef01234567", Merge: "89abcdef0123456789abcdef0123456789abcdef", Root: "r0",
|
||||
Trees: map[string]string{"modules/avahi": "newtree"},
|
||||
Manifests: map[string]string{"modules/avahi": string(manifest)},
|
||||
Locks: map[string]map[string]string{"modules/avahi": {"go.sum": goSum}}})
|
||||
if err != nil {
|
||||
t.Fatal(err)
|
||||
}
|
||||
if _, err := js.Publish(ctx, "mesh.stream.mesh-delivery-forge-bridge.event.forge.novox.mesh-catalog.merged", data); err != nil {
|
||||
t.Fatal(err)
|
||||
}
|
||||
read := func(ok func(delivery.Module) bool) delivery.Module {
|
||||
var got delivery.Module
|
||||
for deadline := time.Now().Add(5 * time.Second); time.Now().Before(deadline); time.Sleep(50 * time.Millisecond) {
|
||||
if e, err := modules.Get(ctx, "avahi"); err == nil {
|
||||
if m, err := delivery.DecodeModule(e.Value()); err == nil {
|
||||
if got = m; ok(m) {
|
||||
break
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
return got
|
||||
}
|
||||
agreed := func(m delivery.Module) bool { return m.FP2 != "" && m.Toolchains["go"].Version == "go1.27.3" }
|
||||
held := read(agreed)
|
||||
if !agreed(held) {
|
||||
t.Fatalf("within 5 s avahi has fp2 %q, none2 %q, toolchains %v: want a fingerprint of n1's go1.27.3 alone", held.FP2, held.None2, held.Toolchains)
|
||||
}
|
||||
if _, err := assignments.Put(ctx, "n2.mesh-build-go", []byte(`{"node":"n2","module":"mesh-build-go","assigned":"2026-10-24T08:00:00Z"}`)); err != nil {
|
||||
t.Fatal(err)
|
||||
}
|
||||
// n2's report, written since its assignment, counts: the builders disagree. A fingerprint already computed is kept
|
||||
// (issue 1940), and only a new one needs the agreement: a merge moving avahi gets none until they agree.
|
||||
time.Sleep(500 * time.Millisecond)
|
||||
if e, err := modules.Get(ctx, "avahi"); err != nil {
|
||||
t.Fatal(err)
|
||||
} else if m, err := delivery.DecodeModule(e.Value()); err != nil || m.FP2 != held.FP2 {
|
||||
t.Fatalf("after n2's assignment avahi has fp2 %q, none2 %q: want its fingerprint %q kept", m.FP2, m.None2, held.FP2)
|
||||
}
|
||||
moved := strings.Replace(string(data), `"newtree"`, `"movedtree"`, 1)
|
||||
if moved == string(data) {
|
||||
t.Fatal("the merge names no tree to move")
|
||||
}
|
||||
if _, err := js.Publish(ctx, "mesh.stream.mesh-delivery-forge-bridge.event.forge.novox.mesh-catalog.merged", []byte(moved)); err != nil {
|
||||
t.Fatal(err)
|
||||
}
|
||||
disagree := func(m delivery.Module) bool {
|
||||
return m.FP2 == "" && strings.HasPrefix(m.None2, "builders disagree: go1.27.2 recipe 1 on n2")
|
||||
}
|
||||
if m := read(disagree); !disagree(m) {
|
||||
t.Fatalf("within 5 s of a merge after n2's assignment avahi has fp2 %q, none2 %q: want the builders to disagree", m.FP2, m.None2)
|
||||
}
|
||||
if _, err := assignments.Put(ctx, "n2.mesh-build-go", []byte(`{"node":"n2","module":"mesh-build-go","ended":"2026-10-24T09:00:00Z"}`)); err != nil {
|
||||
t.Fatal(err)
|
||||
}
|
||||
if m := read(agreed); !agreed(m) {
|
||||
t.Fatalf("within 5 s of n2's unassignment avahi has fp2 %q, none2 %q", m.FP2, m.None2)
|
||||
if first.FP2 != second.FP2 || first.None2 != second.None2 {
|
||||
t.Errorf("the new form moved: %q/%q, then %q/%q", first.FP2, first.None2, second.FP2, second.None2)
|
||||
}
|
||||
}
|
||||
|
||||
@@ -2,9 +2,6 @@
|
||||
// bridge's messages on the stream FORGE and keeps the candidate groups (candidates.<group>): the pull requests that share
|
||||
// a branch, their heads and the modules each touches. It reads the controller's builds to know which module a changed
|
||||
// directory is. It serves no request subject and holds no timer: every reaction is a message or a watch (ADR 0437 §8).
|
||||
//
|
||||
// Its build of 2026-10-24 00:37 named a program whose push never reached the artifact store, and a retry sends that
|
||||
// same build again; this paragraph was added only to give the indexer a new build (issue 1933).
|
||||
package main
|
||||
|
||||
import (
|
||||
@@ -240,21 +237,29 @@ func run(ctx context.Context, getenv func(string) string, logOut io.Writer) erro
|
||||
if err != nil {
|
||||
return err
|
||||
}
|
||||
candidates, err := process.EssentialBucket(ctx, js, "indexer", delivery.CandidatesBucket, "write a candidate's fingerprints")
|
||||
bucket := func(name string) (jetstream.KeyValue, error) {
|
||||
kv, err := js.KeyValue(ctx, name)
|
||||
if err != nil {
|
||||
return nil, fmt.Errorf("the bucket %s: %w", name, err)
|
||||
}
|
||||
return kv, nil
|
||||
}
|
||||
candidates, err := bucket(delivery.CandidatesBucket)
|
||||
if err != nil {
|
||||
return err
|
||||
}
|
||||
modules, err := process.EssentialBucket(ctx, js, "indexer", delivery.ModulesBucket, "write a module's fingerprint")
|
||||
modules, err := bucket(delivery.ModulesBucket)
|
||||
if err != nil {
|
||||
return err
|
||||
}
|
||||
manifests, err := process.EssentialBucket(ctx, js, "indexer", delivery.ManifestsBucket, "keep a module's manifest")
|
||||
manifests, err := bucket(delivery.ManifestsBucket)
|
||||
if err != nil {
|
||||
return err
|
||||
}
|
||||
builds, err := bucket(delivery.BuildsBucket)
|
||||
if err != nil {
|
||||
return err
|
||||
}
|
||||
// The controller's build records only name the directory of a module whose key names none (fillPaths): without them
|
||||
// such a module waits for its path, every other is indexed (issue 1945).
|
||||
builds := process.OptionalBucket(ctx, js, delivery.BuildsBucket, "a module whose key names no directory is not given one from the controller's build records until the indexer starts again", logger.Printf)
|
||||
known := index.NewBuilds()
|
||||
// The controller's build records name the directory of a module whose key names none (fillPaths); no build of any
|
||||
// module moves a fingerprint since no fingerprint takes the builder (ADR 0530 §1).
|
||||
@@ -265,14 +270,12 @@ func run(ctx context.Context, getenv func(string) string, logOut io.Writer) erro
|
||||
known.Delete(e.Key())
|
||||
}
|
||||
}
|
||||
errs := make(chan error, 1)
|
||||
if builds != nil {
|
||||
if w, err := settle(ctx, builds, each); err != nil {
|
||||
process.NotWatched(logger.Printf, delivery.BuildsBucket, err, "a module whose key names no directory is not given one until the indexer starts again")
|
||||
} else {
|
||||
go func() { errs <- follow(ctx, w, each) }()
|
||||
}
|
||||
w, err := settle(ctx, builds, each)
|
||||
if err != nil {
|
||||
return err
|
||||
}
|
||||
errs := make(chan error, 1)
|
||||
go func() { errs <- follow(ctx, w, each) }()
|
||||
|
||||
// The indexer asks the forge for the objects of a manifest's named paths as its own account (ADR 0499 clause 3).
|
||||
account, err := process.ReadAccount(path)
|
||||
@@ -285,43 +288,29 @@ func run(ctx context.Context, getenv func(string) string, logOut io.Writer) erro
|
||||
}
|
||||
defer calls.Close()
|
||||
ix := &index.Indexer{Store: kvStore{candidates}, Modules: kvStore{modules}, Manifests: kvStore{manifests}, Builds: known, Logf: logger.Printf,
|
||||
Named: namedVia(calls.Call), Trunk: trunkVia(calls.Call), Contains: containsVia(calls.Call)}
|
||||
Named: namedVia(calls.Call)}
|
||||
// The gate's source bucket (mesh-delivery-gate_source) comes with the gate (release 3e, novox/hq ADR 0450 §1): its key
|
||||
// main is the mesh's source revision, which stamps the modules (issue 1344). Where it does not exist yet the indexer does
|
||||
// not wait for it (that needs a timer, ADR 0437 §8): it says so, and is started again with the gate.
|
||||
sourceErrs := make(chan error, 1)
|
||||
if source := process.OptionalBucket(ctx, js, delivery.SourceBucket, "no source revision is read until the indexer starts again", logger.Printf); source != nil {
|
||||
switch source, err := js.KeyValue(ctx, delivery.SourceBucket); {
|
||||
case errors.Is(err, jetstream.ErrBucketNotFound):
|
||||
logger.Printf("the bucket %s does not exist yet: no source revision is read until the indexer starts again", delivery.SourceBucket)
|
||||
case err != nil:
|
||||
return fmt.Errorf("the bucket %s: %w", delivery.SourceBucket, err)
|
||||
default:
|
||||
each := func(e jetstream.KeyValueEntry) {
|
||||
if opOf(e) {
|
||||
applySource(ctx, ix, e.Key(), e.Revision(), e.Value(), logger)
|
||||
}
|
||||
}
|
||||
if sw, err := settle(ctx, source, each); err != nil {
|
||||
process.NotWatched(logger.Printf, delivery.SourceBucket, err, "no source revision is read until the indexer starts again")
|
||||
} else {
|
||||
go func() { sourceErrs <- follow(ctx, sw, each) }()
|
||||
sw, err := settle(ctx, source, each)
|
||||
if err != nil {
|
||||
return err
|
||||
}
|
||||
go func() { sourceErrs <- follow(ctx, sw, each) }()
|
||||
}
|
||||
// Only the toolchain reports of nodes the build module is assigned to count (issue 1940): the controller's
|
||||
// assignments are settled first, so the toolchains settle through the gate already knowing them.
|
||||
gate := newToolchainGate(sortedModules(), ix.PutToolchain, logger.Printf)
|
||||
assignErrs, err := watchAssignments(ctx, js, gate, func(ctx context.Context) {
|
||||
if err := ix.Recompute(ctx); err != nil {
|
||||
logger.Printf("writing the modules again after an assignment of a build module changed: %v", err)
|
||||
}
|
||||
}, logger)
|
||||
if err != nil {
|
||||
return err
|
||||
}
|
||||
tools := newToolchainWatch(ctx, js, toolchainSink{
|
||||
put: gate.Toolchain,
|
||||
apply: func(ctx context.Context, module, key string, value []byte, deleted bool) error {
|
||||
if !gate.Toolchain(module, key, value, deleted) {
|
||||
return nil
|
||||
}
|
||||
return ix.Recompute(ctx)
|
||||
},
|
||||
recompute: ix.Recompute}, logger)
|
||||
tools := newToolchainWatch(ctx, js, toolchainSink{put: ix.PutToolchain, apply: ix.ApplyToolchain, recompute: ix.Recompute}, logger)
|
||||
if err := tools.start(); err != nil {
|
||||
return err
|
||||
}
|
||||
@@ -336,10 +325,6 @@ func run(ctx context.Context, getenv func(string) string, logOut io.Writer) erro
|
||||
if err := ix.RecomputeAtStart(ctx); err != nil {
|
||||
logger.Printf("computing the new-form fingerprints at start: %v", err)
|
||||
}
|
||||
// The modules the trunk no longer holds go from the bucket (issue 1900); a merge does the same from its own message.
|
||||
if err := ix.Reconcile(ctx); err != nil {
|
||||
logger.Printf("dropping the modules the trunk does not hold at start: %v", err)
|
||||
}
|
||||
// A build module says each time it wrote its toolchains key: its stream, and the indexer's durable consumer on it, are
|
||||
// made by the controller as the forge's are. Where the stream is not there yet the indexer says so and is started again
|
||||
// with the build module, as with the gate's source.
|
||||
@@ -370,8 +355,7 @@ func run(ctx context.Context, getenv func(string) string, logOut io.Writer) erro
|
||||
}
|
||||
cons, err := js.Consumer(ctx, forgeStream, cred.Node+"_"+cred.Module)
|
||||
if err != nil {
|
||||
// Essential: the forge's merges are what the indexer indexes.
|
||||
return fmt.Errorf("the consumer %s_%s on %s cannot be read (%v): the indexer hears no merge without it, so it stops; where the bus refused it or did not answer, this module's consumes (made by the controller with its grant) have not reached the bus yet", cred.Node, cred.Module, forgeStream, err)
|
||||
return fmt.Errorf("the consumer %s_%s on %s: %w", cred.Node, cred.Module, forgeStream, err)
|
||||
}
|
||||
cc, err := cons.Consume(func(m jetstream.Msg) { handle(ctx, m, ix, logger) },
|
||||
jetstream.ConsumeErrHandler(func(_ jetstream.ConsumeContext, err error) { logger.Printf("hearing the bus: %v", err) }))
|
||||
@@ -386,8 +370,6 @@ func run(ctx context.Context, getenv func(string) string, logOut io.Writer) erro
|
||||
return err
|
||||
case err := <-sourceErrs:
|
||||
return err
|
||||
case err := <-assignErrs:
|
||||
return err
|
||||
case err := <-tools.errs:
|
||||
return err
|
||||
case err := <-previews.errs:
|
||||
|
||||
@@ -46,50 +46,3 @@ func namedVia(call toolCaller) func(ctx context.Context, repository, sha string,
|
||||
return a.Paths, nil
|
||||
}
|
||||
}
|
||||
|
||||
// trunkVia asks the forge for the module directories of a commit (issue 1900): the keys of the `trees` the same tool
|
||||
// answers without paths, one per directory that holds a module.json (the root as ""; the tool lists no other).
|
||||
func trunkVia(call toolCaller) func(ctx context.Context, repository, sha string) ([]string, error) {
|
||||
return func(_ context.Context, repository, sha string) ([]string, error) {
|
||||
owner, repo, ok := strings.Cut(delivery.RepositoryName(repository), "/")
|
||||
if !ok {
|
||||
return nil, fmt.Errorf("%q is not <owner>/<name>", repository)
|
||||
}
|
||||
raw, err := call(commitTreesTool, map[string]any{"owner": owner, "repo": repo, "sha": sha})
|
||||
if err != nil {
|
||||
return nil, err
|
||||
}
|
||||
var a struct {
|
||||
Trees map[string]string `json:"trees"`
|
||||
}
|
||||
if err := json.Unmarshal(raw, &a); err != nil {
|
||||
return nil, fmt.Errorf("the answer of %s is not {root, trees}: %w", commitTreesTool, err)
|
||||
}
|
||||
dirs := make([]string, 0, len(a.Trees))
|
||||
for dir := range a.Trees {
|
||||
dirs = append(dirs, dir)
|
||||
}
|
||||
return dirs, nil
|
||||
}
|
||||
}
|
||||
|
||||
// containsVia asks the forge whether a commit is in another (gitea.gitea_contains: contains is true for the same commit or an ancestor).
|
||||
func containsVia(call toolCaller) func(ctx context.Context, repository, commit, in string) (bool, error) {
|
||||
return func(_ context.Context, repository, commit, in string) (bool, error) {
|
||||
owner, repo, ok := strings.Cut(delivery.RepositoryName(repository), "/")
|
||||
if !ok {
|
||||
return false, fmt.Errorf("%q is not <owner>/<name>", repository)
|
||||
}
|
||||
raw, err := call("gitea.gitea_contains", map[string]any{"owner": owner, "repo": repo, "commit": commit, "in": in})
|
||||
if err != nil {
|
||||
return false, err
|
||||
}
|
||||
var a struct {
|
||||
Contains *bool `json:"contains"`
|
||||
}
|
||||
if err := json.Unmarshal(raw, &a); err != nil || a.Contains == nil {
|
||||
return false, fmt.Errorf("the answer of gitea.gitea_contains names no contains: %v", err)
|
||||
}
|
||||
return *a.Contains, nil
|
||||
}
|
||||
}
|
||||
|
||||
@@ -3,8 +3,6 @@ package main
|
||||
import (
|
||||
"context"
|
||||
"encoding/json"
|
||||
"slices"
|
||||
"strings"
|
||||
"testing"
|
||||
)
|
||||
|
||||
@@ -31,22 +29,3 @@ func TestNamedViaAsksTheTreesToolWithThePathsAndTakesTheirObjects(t *testing.T)
|
||||
t.Error("an answer missing a path asked was taken")
|
||||
}
|
||||
}
|
||||
|
||||
func TestTheTrunkIsTheDirectoriesTheForgeListsTrees(t *testing.T) { // 1900/AC3
|
||||
var gotArgs any
|
||||
call := func(key string, body any) (json.RawMessage, error) {
|
||||
gotArgs = body
|
||||
return json.RawMessage(`{"root":"r","trees":{"modules/a":"x","modules/b":"y"}}`), nil
|
||||
}
|
||||
dirs, err := trunkVia(call)(context.Background(), "novox/mesh-catalog", strings.Repeat("a", 40))
|
||||
if err != nil {
|
||||
t.Fatal(err)
|
||||
}
|
||||
slices.Sort(dirs)
|
||||
if !slices.Equal(dirs, []string{"modules/a", "modules/b"}) {
|
||||
t.Errorf("dirs = %v", dirs)
|
||||
}
|
||||
if _, has := gotArgs.(map[string]any)["paths"]; has {
|
||||
t.Error("the trunk asked for paths")
|
||||
}
|
||||
}
|
||||
|
||||
@@ -3,7 +3,7 @@ package main
|
||||
import (
|
||||
"context"
|
||||
"errors"
|
||||
"git.novox.be/novox/mesh-sdk/go/process"
|
||||
"fmt"
|
||||
"log"
|
||||
"strings"
|
||||
"sync"
|
||||
@@ -55,14 +55,11 @@ func (w *previewWatch) ensure() error {
|
||||
w.logger.Printf("the bucket %s does not exist yet: it is watched when the checker says it wrote a preview", delivery.PreviewsBucket)
|
||||
return nil
|
||||
case err != nil:
|
||||
// Refused or not answered (its grant not on the bus yet, issue 1945): said, and opened again at the checker's next preview.
|
||||
w.logger.Printf("the bucket %s cannot be read (%v): it is watched when the checker says it wrote a preview", delivery.PreviewsBucket, err)
|
||||
return nil
|
||||
return fmt.Errorf("the bucket %s: %w", delivery.PreviewsBucket, err)
|
||||
}
|
||||
watcher, err := settle(w.ctx, kv, func(e jetstream.KeyValueEntry) { w.ix.PutPreview(e.Key(), e.Value(), !opOf(e)) })
|
||||
if err != nil {
|
||||
process.NotWatched(w.logger.Printf, delivery.PreviewsBucket, err, "it is watched when the checker says it wrote a preview")
|
||||
return nil
|
||||
return err
|
||||
}
|
||||
w.watched = true
|
||||
go func() {
|
||||
|
||||
@@ -1,211 +0,0 @@
|
||||
package main
|
||||
|
||||
// This file is the same in mesh-delivery-indexer, mesh-delivery-builder and mesh-delivery-checker (issue 1940): it moves
|
||||
// to mesh-sdk go/delivery/buildrun once mesh-sdk can be delivered again, since a change of mesh-sdk waits on the very
|
||||
// toolchain agreement this file repairs.
|
||||
|
||||
import (
|
||||
"context"
|
||||
"encoding/json"
|
||||
"fmt"
|
||||
"log"
|
||||
"maps"
|
||||
"slices"
|
||||
"strings"
|
||||
"sync"
|
||||
"time"
|
||||
|
||||
"github.com/nats-io/nats.go/jetstream"
|
||||
|
||||
"git.novox.be/novox/mesh-sdk/go/delivery"
|
||||
"git.novox.be/novox/mesh-sdk/go/provider"
|
||||
)
|
||||
|
||||
// A build module writes <node>.<language> of its toolchains state on every node it runs on, and nothing deletes the key
|
||||
// when the module is unassigned from a node: the controller writes no module's state, and the module is gone. A report of
|
||||
// a node the build module no longer runs on is therefore not a builder (issue 1940: mesh-build-node unassigned from ace
|
||||
// on 2026-10-23 left ace.typescript at v26.12.0, and every Node fingerprint said "builders disagree").
|
||||
//
|
||||
// toolchainGate stands between the toolchains buckets and what takes their entries in (the indexer's PutToolchain, a
|
||||
// buildrun.ToolchainSet): an entry is passed on only while the controller's assignments (mesh-controller_assignments,
|
||||
// key <node>.<module>) hold an open assignment of its build module on its node, and only once it was written since that
|
||||
// assignment; it is passed on as deleted otherwise, said once, and passed on when its node writes it again. A report
|
||||
// written before the assignment is the one an earlier run of the module left (issue 1940, 2026-10-25 20:56: mesh-build-node
|
||||
// assigned to ace again brought ace.typescript v26.12.0 of 2026-10-23 back into the agreement, before the module ran
|
||||
// there, and the controller's take-in refused every module "builders disagree"). Until the assignments are settled (or where they cannot
|
||||
// be read) every entry is passed on, as before. Builders that run and report different versions still disagree: that
|
||||
// refusal is the guard of novox/hq ADR 0465, and it stays.
|
||||
type toolchainGate struct {
|
||||
mu sync.Mutex
|
||||
modules map[string]bool // the build modules whose toolchains pass the gate
|
||||
forward func(module, key string, value []byte, deleted bool) bool // answers whether it changed what it holds
|
||||
logf func(format string, a ...any)
|
||||
known bool // the assignments are settled
|
||||
standing map[string]time.Time // <node>.<module> with an open assignment -> since when it stands
|
||||
raw map[string]map[string][]byte // module -> toolchains key -> value, as the bucket holds it
|
||||
left map[string]string // <module>/<key> -> why it was said left out, so each reason is said once
|
||||
}
|
||||
|
||||
func newToolchainGate(modules []string, forward func(module, key string, value []byte, deleted bool) bool, logf func(string, ...any)) *toolchainGate {
|
||||
g := &toolchainGate{modules: map[string]bool{}, forward: forward, logf: logf, standing: map[string]time.Time{},
|
||||
raw: map[string]map[string][]byte{}, left: map[string]string{}}
|
||||
for _, m := range modules {
|
||||
g.modules[m] = true
|
||||
}
|
||||
return g
|
||||
}
|
||||
|
||||
// Toolchain takes one change of a build module's toolchains bucket in and answers whether what it passed on changed.
|
||||
func (g *toolchainGate) Toolchain(module, key string, value []byte, deleted bool) bool {
|
||||
g.mu.Lock()
|
||||
defer g.mu.Unlock()
|
||||
if g.raw[module] == nil {
|
||||
g.raw[module] = map[string][]byte{}
|
||||
}
|
||||
if deleted {
|
||||
delete(g.raw[module], key)
|
||||
} else {
|
||||
g.raw[module][key] = value
|
||||
}
|
||||
return g.pass(module, key)
|
||||
}
|
||||
|
||||
// Assignment takes one change of the controller's assignments in (at is when the bus wrote that revision) and answers
|
||||
// whether what it passed on changed.
|
||||
func (g *toolchainGate) Assignment(key string, value []byte, deleted bool, at time.Time) bool {
|
||||
node, module, ok := strings.Cut(key, ".")
|
||||
if !ok || !g.modules[module] {
|
||||
return false
|
||||
}
|
||||
assigned, open := openAssignment(value)
|
||||
open = open && !deleted
|
||||
g.mu.Lock()
|
||||
defer g.mu.Unlock()
|
||||
was, stood := g.standing[key]
|
||||
since := assigned
|
||||
if since.IsZero() {
|
||||
// A value with no time of its own (an assignment a module pulled in) stands since the revision that opened it.
|
||||
since = at
|
||||
if stood {
|
||||
since = was
|
||||
}
|
||||
}
|
||||
if open == stood && (!open || since.Equal(was)) {
|
||||
return false
|
||||
}
|
||||
if open {
|
||||
g.standing[key] = since
|
||||
} else {
|
||||
delete(g.standing, key)
|
||||
}
|
||||
if !g.known {
|
||||
return false
|
||||
}
|
||||
changed := false
|
||||
for _, k := range slices.Sorted(maps.Keys(g.raw[module])) {
|
||||
if n, _, err := delivery.ParseToolchainKey(k); err == nil && n == node {
|
||||
changed = g.pass(module, k) || changed
|
||||
}
|
||||
}
|
||||
return changed
|
||||
}
|
||||
|
||||
// Settled says the assignments are read: from now on only the reports of assigned nodes pass. It answers whether what it
|
||||
// passed on changed.
|
||||
func (g *toolchainGate) Settled() bool {
|
||||
g.mu.Lock()
|
||||
defer g.mu.Unlock()
|
||||
g.known = true
|
||||
changed := false
|
||||
for _, module := range slices.Sorted(maps.Keys(g.raw)) {
|
||||
for _, k := range slices.Sorted(maps.Keys(g.raw[module])) {
|
||||
changed = g.pass(module, k) || changed
|
||||
}
|
||||
}
|
||||
return changed
|
||||
}
|
||||
|
||||
// pass hands one key on as it stands: its value when its node is assigned and wrote it since (or the assignments are not
|
||||
// known), deleted otherwise. The caller holds mu.
|
||||
func (g *toolchainGate) pass(module, key string) bool {
|
||||
value, held := g.raw[module][key]
|
||||
if !held {
|
||||
return g.forward(module, key, nil, true)
|
||||
}
|
||||
node, _, err := delivery.ParseToolchainKey(key)
|
||||
why := ""
|
||||
if err == nil && g.known {
|
||||
why = g.leftOut(module, node, value)
|
||||
}
|
||||
if why == "" {
|
||||
delete(g.left, module+"/"+key)
|
||||
return g.forward(module, key, value, false)
|
||||
}
|
||||
if g.left[module+"/"+key] != why {
|
||||
g.left[module+"/"+key] = why
|
||||
g.logf("%s.%s is left out of the agreed toolchain: %s (issue 1940)", delivery.ToolchainsBucket(module), key, why)
|
||||
}
|
||||
return g.forward(module, key, nil, true)
|
||||
}
|
||||
|
||||
// leftOut is why a node's report is no builder's, or empty when it counts: its node has no open assignment of the module,
|
||||
// or the report was written before that assignment. A value that is no toolchain is passed on for its reader to refuse.
|
||||
// The caller holds mu.
|
||||
func (g *toolchainGate) leftOut(module, node string, value []byte) string {
|
||||
since, open := g.standing[node+"."+module]
|
||||
if !open {
|
||||
return fmt.Sprintf("%s has no assignment on %s, so it is no builder", module, node)
|
||||
}
|
||||
tc, err := delivery.DecodeToolchain(value)
|
||||
if err == nil && tc.At.Before(since) {
|
||||
return fmt.Sprintf("it was written at %s, before %s's assignment on %s at %s: it counts once %s writes it again",
|
||||
tc.At.UTC().Format(time.RFC3339), module, node, since.UTC().Format(time.RFC3339), node)
|
||||
}
|
||||
return ""
|
||||
}
|
||||
|
||||
// openAssignment is whether a value of the controller's assignments holds an assignment that stands (one that has not
|
||||
// ended and has no state: a pending one is not on the machine yet; mesh-controller internal/chain Assignment), and when
|
||||
// it was assigned, zero where the value does not say.
|
||||
func openAssignment(value []byte) (time.Time, bool) {
|
||||
var a struct {
|
||||
Assigned time.Time `json:"assigned"`
|
||||
Ended time.Time `json:"ended"`
|
||||
State string `json:"state"`
|
||||
}
|
||||
if json.Unmarshal(value, &a) != nil {
|
||||
return time.Time{}, false
|
||||
}
|
||||
return a.Assigned, a.Ended.IsZero() && a.State == ""
|
||||
}
|
||||
|
||||
// watchAssignments settles the controller's assignments into the gate, says them settled, and follows them; changed is
|
||||
// told whenever what the gate passes on changed. Where the bucket cannot be read (not there, or this module may not read
|
||||
// it) it says so and the gate passes every report on, as before; an error of the watch after that ends on the channel.
|
||||
func watchAssignments(ctx context.Context, js bucketOpener, gate *toolchainGate, changed func(context.Context), logger *log.Logger) (<-chan error, error) {
|
||||
errs := make(chan error, 1)
|
||||
kv, err := js.KeyValue(ctx, provider.AssignmentsBucket)
|
||||
if err != nil {
|
||||
// Not fatal: an indexer, builder or checker that stops for it stops every delivery (a grant comes with a delivery).
|
||||
logger.Printf("the bucket %s cannot be read, so every node's toolchain report counts, an unassigned build node's too (issue 1940): %v", provider.AssignmentsBucket, err)
|
||||
return errs, nil
|
||||
}
|
||||
each := func(e jetstream.KeyValueEntry) { gate.Assignment(e.Key(), e.Value(), !opOf(e), e.Created()) }
|
||||
w, err := settle(ctx, kv, each)
|
||||
if err != nil {
|
||||
// Not fatal either (issue 1945): a watch the bus refuses is the same missing grant as a refused read.
|
||||
logger.Printf("the bucket %s cannot be watched, so every node's toolchain report counts, an unassigned build node's too (issue 1940): %v", provider.AssignmentsBucket, err)
|
||||
return errs, nil
|
||||
}
|
||||
if gate.Settled() {
|
||||
changed(ctx)
|
||||
}
|
||||
go func() {
|
||||
errs <- follow(ctx, w, func(e jetstream.KeyValueEntry) {
|
||||
if gate.Assignment(e.Key(), e.Value(), !opOf(e), e.Created()) {
|
||||
changed(ctx)
|
||||
}
|
||||
})
|
||||
}()
|
||||
return errs, nil
|
||||
}
|
||||
@@ -1,165 +0,0 @@
|
||||
package main
|
||||
|
||||
// The same in mesh-delivery-indexer, mesh-delivery-builder and mesh-delivery-checker, as standing.go is (issue 1940).
|
||||
|
||||
import (
|
||||
"fmt"
|
||||
"strings"
|
||||
"testing"
|
||||
"time"
|
||||
|
||||
"git.novox.be/novox/mesh-sdk/go/delivery"
|
||||
"git.novox.be/novox/mesh-sdk/go/delivery/buildrun"
|
||||
)
|
||||
|
||||
func gateReport(t *testing.T, node, version string) (string, []byte) {
|
||||
t.Helper()
|
||||
key, err := delivery.ToolchainKey(node, "typescript")
|
||||
if err != nil {
|
||||
t.Fatal(err)
|
||||
}
|
||||
value, err := delivery.EncodeToolchain(delivery.Toolchain{Language: "typescript", Version: version, Recipe: "f59571cf4be75adf", At: time.Unix(0, 0).UTC()})
|
||||
if err != nil {
|
||||
t.Fatal(err)
|
||||
}
|
||||
return key, value
|
||||
}
|
||||
|
||||
func agreedOf(set *buildrun.ToolchainSet) (string, string) {
|
||||
tc, none := delivery.AgreedToolchain(set.Entries("typescript"))
|
||||
return tc.Version, none
|
||||
}
|
||||
|
||||
// The live case of issue 1940: mesh-build-node was unassigned from ace, whose report stayed at v26.12.0 while the
|
||||
// three nodes it runs on report v26.12.1. Without the assignments every report counts (and they disagree); with them
|
||||
// ace's is left out and the three agree; assigned to ace again, its report counts again and the guard refuses again.
|
||||
func TestAnUnassignedBuildNodesReportIsNoBuilder(t *testing.T) {
|
||||
set := &buildrun.ToolchainSet{}
|
||||
var said []string
|
||||
gate := newToolchainGate([]string{buildrun.GoBuildModule, buildrun.NodeBuildModule}, set.Put, func(f string, a ...any) { said = append(said, f) })
|
||||
for node, version := range map[string]string{"ace": "v26.12.0", "g14": "v26.12.1", "novox": "v26.12.1", "shanks": "v26.12.1"} {
|
||||
key, value := gateReport(t, node, version)
|
||||
gate.Toolchain(buildrun.NodeBuildModule, key, value, false)
|
||||
}
|
||||
if _, none := agreedOf(set); !strings.HasPrefix(none, "builders disagree") {
|
||||
t.Fatalf("before the assignments are read every report counts, so they disagree; got %q", none)
|
||||
}
|
||||
for _, node := range []string{"g14", "novox", "shanks"} {
|
||||
gate.Assignment(node+"."+buildrun.NodeBuildModule, []byte(`{"node":"`+node+`","module":"mesh-build-node"}`), false, time.Time{})
|
||||
}
|
||||
gate.Assignment("ace.mesh-build-node", []byte(`{"node":"ace","module":"mesh-build-node","ended":"2026-10-23T08:00:00Z"}`), false, time.Time{})
|
||||
gate.Assignment("ace.mesh-build-go", []byte(`{"node":"ace","module":"mesh-build-go"}`), false, time.Time{}) // another module's: no matter
|
||||
if !gate.Settled() {
|
||||
t.Fatal("settling the assignments left ace's report out, so what was passed on changed")
|
||||
}
|
||||
if v, none := agreedOf(set); v != "v26.12.1" || none != "" {
|
||||
t.Fatalf("the assigned nodes agree on v26.12.1; got %q, %q", v, none)
|
||||
}
|
||||
if len(said) != 1 {
|
||||
t.Fatalf("ace's report is said left out once; said %v", said)
|
||||
}
|
||||
// ace reports again while unassigned (an old value seen again): still left out.
|
||||
key, value := gateReport(t, "ace", "v26.12.0")
|
||||
if gate.Toolchain(buildrun.NodeBuildModule, key, value, false) {
|
||||
t.Fatal("an unassigned node's report changed what was passed on")
|
||||
}
|
||||
// Assigned to ace again: its report counts, and the builders really disagree: the guard stays.
|
||||
if !gate.Assignment("ace.mesh-build-node", []byte(`{"node":"ace","module":"mesh-build-node"}`), false, time.Time{}) {
|
||||
t.Fatal("assigning ace again passed nothing on")
|
||||
}
|
||||
if _, none := agreedOf(set); !strings.HasPrefix(none, "builders disagree: v26.12.0 recipe f59571cf4be75adf on ace") {
|
||||
t.Fatalf("builders that run different versions still disagree; got %q", none)
|
||||
}
|
||||
// The assignment's key deleted, or a pending one written: no assignment stands, and ace's report goes again.
|
||||
if !gate.Assignment("ace.mesh-build-node", []byte(`{"node":"ace","module":"mesh-build-node","state":"pending"}`), false, time.Time{}) {
|
||||
t.Fatal("a pending assignment is no assignment on the machine")
|
||||
}
|
||||
if v, none := agreedOf(set); v != "v26.12.1" || none != "" {
|
||||
t.Fatalf("got %q, %q", v, none)
|
||||
}
|
||||
gate.Assignment("ace.mesh-build-node", nil, true, time.Time{})
|
||||
if v, _ := agreedOf(set); v != "v26.12.1" {
|
||||
t.Fatalf("got %q", v)
|
||||
}
|
||||
// A report deleted from the bucket goes whether its node is assigned or not.
|
||||
key, _ = gateReport(t, "g14", "v26.12.1")
|
||||
if !gate.Toolchain(buildrun.NodeBuildModule, key, nil, true) {
|
||||
t.Fatal("deleting g14's report passed nothing on")
|
||||
}
|
||||
if n := len(set.Entries("typescript")); n != 2 {
|
||||
t.Fatalf("novox and shanks are left; got %d entries", n)
|
||||
}
|
||||
}
|
||||
|
||||
// A build node's report counts from the first one it writes since its assignment: a newly assigned node that has not
|
||||
// reported changes nothing, and the report an earlier run left on the bus (issue 1940, 2026-10-25 20:56: ace.typescript
|
||||
// v26.12.0 of 2026-10-23 06:29, mesh-build-node assigned to ace again at 20:56:45) is left out, said once, until the node
|
||||
// writes it again. An assignment whose value names no time stands since the revision that opened it.
|
||||
func TestANewlyAssignedNodeCountsFromItsReport(t *testing.T) {
|
||||
left := time.Date(2026, 10, 23, 6, 29, 18, 0, time.UTC) // ace's report from its earlier run
|
||||
assigned := time.Date(2026, 10, 25, 19, 56, 45, 0, time.UTC) // mesh-build-node assigned to ace again
|
||||
report := func(t *testing.T, node, version string, at time.Time) (string, []byte) {
|
||||
key, _ := gateReport(t, node, version)
|
||||
value, err := delivery.EncodeToolchain(delivery.Toolchain{Language: "typescript", Version: version, Recipe: "f59571cf4be75adf", At: at})
|
||||
if err != nil {
|
||||
t.Fatal(err)
|
||||
}
|
||||
return key, value
|
||||
}
|
||||
for _, c := range []struct {
|
||||
name string
|
||||
assignment string // ace's assignment value
|
||||
revision time.Time // when the bus wrote it
|
||||
at time.Time // when ace wrote its report
|
||||
counts bool
|
||||
}{
|
||||
{"no report yet, then one", `{}`, time.Time{}, time.Now(), true},
|
||||
{"a report left before the assignment", `{"node":"ace","module":"mesh-build-node","assigned":"2026-10-25T19:56:45Z"}`, assigned, left, false},
|
||||
{"a report left before a value with no time", `{"node":"ace","module":"mesh-build-node"}`, assigned, left, false},
|
||||
{"a report written since the assignment", `{"node":"ace","module":"mesh-build-node","assigned":"2026-10-25T19:56:45Z"}`, assigned, assigned.Add(30 * time.Second), true},
|
||||
} {
|
||||
t.Run(c.name, func(t *testing.T) {
|
||||
set := &buildrun.ToolchainSet{}
|
||||
var said []string
|
||||
gate := newToolchainGate([]string{buildrun.NodeBuildModule}, set.Put, func(f string, a ...any) { said = append(said, fmt.Sprintf(f, a...)) })
|
||||
for _, node := range []string{"g14", "novox", "shanks"} {
|
||||
gate.Assignment(node+".mesh-build-node", []byte(`{}`), false, time.Time{})
|
||||
key, value := gateReport(t, node, "v26.12.1")
|
||||
gate.Toolchain(buildrun.NodeBuildModule, key, value, false)
|
||||
}
|
||||
gate.Settled()
|
||||
if gate.Assignment("ace.mesh-build-node", []byte(c.assignment), false, c.revision) {
|
||||
t.Fatal("an assignment with no report passed something on")
|
||||
}
|
||||
key, value := report(t, "ace", "v26.12.0", c.at)
|
||||
if got := gate.Toolchain(buildrun.NodeBuildModule, key, value, false); got != c.counts {
|
||||
t.Fatalf("ace's report passed on: %v, want %v", got, c.counts)
|
||||
}
|
||||
// A rewrite of the assignment that does not move it changes nothing, and nothing is said again.
|
||||
if gate.Assignment("ace.mesh-build-node", []byte(c.assignment), false, c.revision.Add(time.Minute)) {
|
||||
t.Fatal("the same assignment written again changed what was passed on")
|
||||
}
|
||||
v, none := agreedOf(set)
|
||||
if c.counts {
|
||||
if !strings.HasPrefix(none, "builders disagree: v26.12.0 recipe f59571cf4be75adf on ace") {
|
||||
t.Fatalf("ace's own report counts and disagrees; got %q, %q", v, none)
|
||||
}
|
||||
return
|
||||
}
|
||||
if v != "v26.12.1" || none != "" {
|
||||
t.Fatalf("ace's left report is no builder's, so g14, novox and shanks agree; got %q, %q", v, none)
|
||||
}
|
||||
if len(said) != 1 || !strings.Contains(said[0], "before mesh-build-node's assignment on ace at 2026-10-25T19:56:45Z") {
|
||||
t.Fatalf("said %q, want once why ace's report is left out", said)
|
||||
}
|
||||
// ace writes its report again since it was assigned: it counts.
|
||||
key, value = report(t, "ace", "v26.12.1", assigned.Add(time.Minute))
|
||||
if !gate.Toolchain(buildrun.NodeBuildModule, key, value, false) {
|
||||
t.Fatal("ace's new report was not passed on")
|
||||
}
|
||||
if n := len(set.Entries("typescript")); n != 4 {
|
||||
t.Fatalf("four builders report; got %d", n)
|
||||
}
|
||||
})
|
||||
}
|
||||
}
|
||||
@@ -10,8 +10,6 @@ import (
|
||||
"strings"
|
||||
"sync"
|
||||
|
||||
"git.novox.be/novox/mesh-sdk/go/process"
|
||||
|
||||
"github.com/nats-io/nats.go/jetstream"
|
||||
|
||||
"git.novox.be/novox/mesh-sdk/go/delivery"
|
||||
@@ -75,14 +73,11 @@ func (w *toolchainWatch) ensure(module string) error {
|
||||
w.logger.Printf("the bucket %s does not exist yet: it is watched when %s reports a toolchain", name, module)
|
||||
return nil
|
||||
case err != nil:
|
||||
// Refused or not answered (its grant not on the bus yet, issue 1945): said, and opened again at the module's next report.
|
||||
w.logger.Printf("the bucket %s cannot be read (%v): %s's toolchains are not heard until its next report", name, err, module)
|
||||
return nil
|
||||
return fmt.Errorf("the bucket %s: %w", name, err)
|
||||
}
|
||||
watcher, err := settle(w.ctx, kv, func(e jetstream.KeyValueEntry) { w.sink.put(module, e.Key(), e.Value(), !opOf(e)) })
|
||||
if err != nil {
|
||||
process.NotWatched(w.logger.Printf, name, err, fmt.Sprintf("%s's toolchains are not heard until its next report", module))
|
||||
return nil
|
||||
return err
|
||||
}
|
||||
w.watched[module] = true
|
||||
go func() {
|
||||
|
||||
@@ -3,7 +3,6 @@ package main
|
||||
import (
|
||||
"bytes"
|
||||
"context"
|
||||
"errors"
|
||||
"log"
|
||||
"strings"
|
||||
"sync"
|
||||
@@ -22,7 +21,6 @@ type laterBuckets struct {
|
||||
mu sync.Mutex
|
||||
appears map[string]jetstream.KeyValue // buckets that exist now
|
||||
asked map[string]int
|
||||
refuse error // answered for a bucket that does not exist, when set: a bus that refuses it (issue 1945)
|
||||
}
|
||||
|
||||
func (l *laterBuckets) KeyValue(_ context.Context, name string) (jetstream.KeyValue, error) {
|
||||
@@ -32,9 +30,6 @@ func (l *laterBuckets) KeyValue(_ context.Context, name string) (jetstream.KeyVa
|
||||
if kv, ok := l.appears[name]; ok {
|
||||
return kv, nil
|
||||
}
|
||||
if l.refuse != nil {
|
||||
return nil, l.refuse
|
||||
}
|
||||
return nil, jetstream.ErrBucketNotFound
|
||||
}
|
||||
|
||||
@@ -105,12 +100,6 @@ func TestABuildModulesBucketThatAppearsLaterIsWatchedWhenItsEventArrives(t *test
|
||||
recompute: func(context.Context) error { mu.Lock(); recomputes++; mu.Unlock(); return nil },
|
||||
}
|
||||
var logs bytes.Buffer
|
||||
// 1945: a bus that refuses both buckets, or does not answer, leaves them unwatched, said, and the indexer running.
|
||||
refusing := &laterBuckets{appears: map[string]jetstream.KeyValue{}, asked: map[string]int{}, refuse: errors.New("context deadline exceeded")}
|
||||
if err := newToolchainWatch(ctx, refusing, sink, log.New(&logs, "", 0)).start(); err != nil || !strings.Contains(logs.String(), "cannot be read") {
|
||||
t.Fatalf("a refused toolchains bucket: start %v, log %q; want it said and the start going on", err, logs.String())
|
||||
}
|
||||
logs.Reset()
|
||||
w := newToolchainWatch(ctx, buckets, sink, log.New(&logs, "", 0))
|
||||
if err := w.start(); err != nil { // neither bucket exists: nothing is watched, nothing is written, nobody waits
|
||||
t.Fatal(err)
|
||||
|
||||
@@ -3,7 +3,7 @@ module mesh-delivery-indexer
|
||||
go 1.26.0
|
||||
|
||||
require (
|
||||
git.novox.be/novox/mesh-sdk/go v0.1.14-0.20261025211220-e0d1de047585
|
||||
git.novox.be/novox/mesh-sdk/go v0.1.14-0.20261023150321-a2c813a6b468
|
||||
github.com/nats-io/nats-server/v2 v2.11.17
|
||||
github.com/nats-io/nats.go v1.54.0
|
||||
)
|
||||
|
||||
@@ -1,7 +1,5 @@
|
||||
git.novox.be/novox/mesh-sdk/go v0.1.14-0.20261023150321-a2c813a6b468 h1:UcMee+IV2ii5E4dRZdQUaSaeh9IedTFYumuQbBiB0k0=
|
||||
git.novox.be/novox/mesh-sdk/go v0.1.14-0.20261023150321-a2c813a6b468/go.mod h1:ouERNpZizzwZ0HLEtAypsY9FR20FyUgUYRni6J7kVCY=
|
||||
git.novox.be/novox/mesh-sdk/go v0.1.14-0.20261025211220-e0d1de047585 h1:7QoFH5qjXRpx5M4uPdYsVJ5qKl2082gq8n0lFxhoNIg=
|
||||
git.novox.be/novox/mesh-sdk/go v0.1.14-0.20261025211220-e0d1de047585/go.mod h1:ouERNpZizzwZ0HLEtAypsY9FR20FyUgUYRni6J7kVCY=
|
||||
github.com/antithesishq/antithesis-sdk-go v0.7.0-default-no-op h1:Z/MZK75wC/NSrkgqeNIa7jexam9uWzhLmFTSCPI/kn0=
|
||||
github.com/antithesishq/antithesis-sdk-go v0.7.0-default-no-op/go.mod h1:FQyySiasQQM8735Ddel3MRojmy4dA1IqCeyJ5jmPMbI=
|
||||
github.com/google/go-tpm v0.9.8 h1:slArAR9Ft+1ybZu0lBwpSmpwhRXaa85hWtMinMyRAWo=
|
||||
|
||||
@@ -52,10 +52,7 @@ type Indexer struct {
|
||||
// manifest's paths (ADR 0495 clause 1, the lead's decision L8 of R4e). Nil asks nothing, and a module naming paths
|
||||
// has none.
|
||||
Named func(ctx context.Context, repository, sha string, paths map[string][]string) (map[string]map[string]string, error)
|
||||
Trunk func(ctx context.Context, repository, sha string) ([]string, error)
|
||||
// Contains says whether a commit is the second or an ancestor of it (gitea.gitea_contains).
|
||||
Contains func(ctx context.Context, repository, commit, in string) (bool, error)
|
||||
Logf func(format string, args ...any)
|
||||
Logf func(format string, args ...any)
|
||||
|
||||
mu sync.Mutex // guards source, toolchains and previews, which the watches and the forge messages all reach
|
||||
source sourceNow
|
||||
|
||||
@@ -69,7 +69,7 @@ func inputsOf(module, raw, tree string, locks map[string]string, base baseFP) mo
|
||||
func inputsOfNamed(module, raw, tree string, locks, objects map[string]string, base baseFP) moduleInputs {
|
||||
m, err := catalogue.ParseManifestForInputs([]byte(raw))
|
||||
if err != nil {
|
||||
return moduleInputs{None2: None2Unreadable + err.Error()}
|
||||
return moduleInputs{None2: "the manifest cannot be read: " + err.Error()}
|
||||
}
|
||||
if m.Module != module {
|
||||
return moduleInputs{None2: fmt.Sprintf("the manifest is of module %q, not %q", m.Module, module)}
|
||||
|
||||
Some files were not shown because too many files have changed in this diff Show More
Reference in New Issue
Block a user