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762 changed files with 33349 additions and 14934 deletions
+1 -1
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@@ -14,8 +14,8 @@ import (
"github.com/nats-io/nats.go/micro"
"git.novox.be/novox/mesh-sdk/go/catalogue"
"github.com/novox/mesh-controller/internal/builder"
"github.com/novox/mesh-controller/internal/catalogue"
"github.com/novox/mesh-controller/internal/link"
)
+2 -4
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@@ -6,7 +6,7 @@ import (
"sort"
"strings"
"git.novox.be/novox/mesh-sdk/go/catalogue"
"github.com/novox/mesh-controller/internal/catalogue"
"github.com/novox/mesh-controller/internal/inventory"
)
@@ -55,8 +55,6 @@ func offeredOutsideBy(ctx context.Context, provision string) (string, error) {
// its next send would, and the machines that could not be resolved, with why.
func consumersFrom(ctx context.Context, open *stores, provider, providerModule, provision string) (
[]inventory.PairEnd, []string, error) {
// One reading of the mesh for every machine this looks at.
ctx = withInputCache(ctx)
nodes, err := open.inventory.Nodes(ctx)
if err != nil {
return nil, nil, err
@@ -64,7 +62,7 @@ func consumersFrom(ctx context.Context, open *stores, provider, providerModule,
var out []inventory.PairEnd
var unresolved []string
for _, n := range nodes {
plan, _, err := resolveNode(ctx, open, n.Name)
plan, _, err := planFor(ctx, open, n.Name)
if err != nil {
unresolved = append(unresolved, fmt.Sprintf("%s: %s", n.Name, oneLine(err.Error())))
continue
+3 -5
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@@ -10,7 +10,7 @@ import (
"strings"
"time"
"git.novox.be/novox/mesh-sdk/go/catalogue"
"github.com/novox/mesh-controller/internal/catalogue"
"github.com/novox/mesh-controller/internal/inventory"
)
@@ -314,7 +314,7 @@ type afterAct struct {
// after the write, which can only find more unmet than the closure would: a seat said held there is
// held in the closure too.
func resolvedAfter(ctx context.Context, open *stores, shelf map[string]catalogue.Manifest, node string) afterAct {
plan, _, err := resolveNode(ctx, open, node)
plan, _, err := planFor(ctx, open, node)
if err == nil {
out := afterAct{plan: plan, unheld: plan.Unheld}
for _, m := range plan.Modules {
@@ -355,8 +355,6 @@ func splitModules(field string) []string {
// Nothing here can fail the act it reports on. A mesh that cannot be read is worth saying and is
// not a reason to claim the assignment did not happen — it did.
func blockedElsewhere(ctx context.Context, open *stores, except string) string {
// One reading of the mesh for every machine this looks at.
ctx = withInputCache(ctx)
nodes, err := open.inventory.Nodes(ctx)
if err != nil {
return "\n\nThe rest of the mesh could not be checked: " + err.Error()
@@ -366,7 +364,7 @@ func blockedElsewhere(ctx context.Context, open *stores, except string) string {
if n.Name == except {
continue
}
if _, _, err := resolveNode(ctx, open, n.Name); err != nil {
if _, _, err := planFor(ctx, open, n.Name); err != nil {
blocked[n.Name] = err.Error()
}
}
+1 -1
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@@ -6,7 +6,7 @@ import (
"strings"
"testing"
"git.novox.be/novox/mesh-sdk/go/catalogue"
"github.com/novox/mesh-controller/internal/catalogue"
)
// What an assignment says about the machines it was not about.
@@ -8,7 +8,7 @@ import (
"strings"
"testing"
"git.novox.be/novox/mesh-sdk/go/catalogue"
"github.com/novox/mesh-controller/internal/catalogue"
"github.com/novox/mesh-controller/internal/inventory"
"github.com/novox/mesh-controller/internal/licences"
)
+1 -1
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@@ -5,7 +5,7 @@ import (
"strings"
"testing"
"git.novox.be/novox/mesh-sdk/go/catalogue"
"github.com/novox/mesh-controller/internal/catalogue"
"github.com/novox/mesh-controller/internal/link"
)
+2 -2
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@@ -12,10 +12,10 @@ import (
"testing"
"time"
"git.novox.be/novox/mesh-sdk/go/catalogue"
"git.novox.be/novox/mesh-sdk/go/overlay"
"github.com/novox/mesh-controller/internal/catalogue"
"github.com/novox/mesh-controller/internal/inventory"
"github.com/novox/mesh-controller/internal/link"
"github.com/novox/mesh-controller/internal/overlay"
)
// novox/hq ADR 0100: taking a module is its cutover; converging a node is one act, previewed, and
+10 -7
View File
@@ -12,9 +12,9 @@ import (
"strings"
"time"
"git.novox.be/novox/mesh-sdk/go/catalogue"
"git.novox.be/novox/mesh-sdk/go/overlay"
"github.com/novox/mesh-controller/internal/catalogue"
"github.com/novox/mesh-controller/internal/inventory"
"github.com/novox/mesh-controller/internal/overlay"
)
// A node is adopted or converged (novox/hq ADR 0100), and it is said to be adopted wherever the
@@ -243,7 +243,7 @@ func take(ctx context.Context, open *stores, node, module string, opts takeOptio
return "", err
}
if !slices.Contains(assigned, module) {
if plan, _, err := resolveNode(ctx, open, node); err == nil {
if plan, _, err := planFor(ctx, open, node); err == nil {
if why, runs := plan.Because[module]; runs {
return "", fmt.Errorf("%w: %s runs on %s because %s — assign it to %s to take it",
inventory.ErrNotAssigned, module, node, why, node)
@@ -649,7 +649,7 @@ func converge(ctx context.Context, open *stores, node string, yes bool, digest s
if err != nil {
return "", err
}
plan, _, err := resolveNode(ctx, open, node)
plan, settings, err := planFor(ctx, open, node)
if err != nil {
return "", err
}
@@ -706,8 +706,11 @@ func converge(ctx context.Context, open *stores, node string, yes bool, digest s
filter)
}
// What the filter is derived from: the rendering of this machine as a question reads it, with the private network.
with, err := renderingOf(ctx, open, node)
gens, err := generators(ctx, open)
if err != nil {
return "", err
}
with, _, err := renderingFor(ctx, open, node, plan, settings, gens, Reading)
if err != nil {
return "", err
}
@@ -773,7 +776,7 @@ func converge(ctx context.Context, open *stores, node string, yes bool, digest s
if _, err := inv.Assign(ctx, node, filter); err != nil {
return "", err
}
if _, _, err := resolveNode(ctx, open, node); err != nil {
if _, _, err := planFor(ctx, open, node); err != nil {
_ = inv.Unassign(ctx, node, filter)
return "", fmt.Errorf("%s cannot run %s, so it was not converged: %w", node, filter, err)
}
@@ -7,8 +7,8 @@ import (
"testing"
"time"
snapshot "git.novox.be/novox/mesh-sdk/go/facts"
"github.com/novox/mesh-controller/internal/conditions"
snapshot "github.com/novox/mesh-controller/internal/facts"
"github.com/novox/mesh-controller/internal/inventory"
"github.com/novox/mesh-controller/internal/link"
"github.com/novox/mesh-host/rootsearch"
+1 -1
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@@ -5,7 +5,7 @@ import (
"testing"
"time"
"git.novox.be/novox/mesh-sdk/go/catalogue"
"github.com/novox/mesh-controller/internal/catalogue"
"github.com/novox/mesh-controller/internal/conditions"
"github.com/novox/mesh-controller/internal/inventory"
"github.com/novox/mesh-controller/internal/link"
@@ -9,7 +9,7 @@ import (
"testing"
"time"
"git.novox.be/novox/mesh-sdk/go/catalogue"
"github.com/novox/mesh-controller/internal/catalogue"
"github.com/novox/mesh-controller/internal/inventory"
)
+1 -1
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@@ -19,8 +19,8 @@ import (
"git.novox.be/novox/mesh-sdk/go/asks"
"git.novox.be/novox/mesh-sdk/go/catalogue"
"github.com/novox/mesh-controller/internal/broker"
"github.com/novox/mesh-controller/internal/catalogue"
"github.com/novox/mesh-controller/internal/conditions"
"github.com/novox/mesh-controller/internal/inventory"
"github.com/novox/mesh-controller/internal/link"
@@ -8,11 +8,10 @@ import (
"testing"
"time"
"git.novox.be/novox/mesh-sdk/go/catalogue"
"git.novox.be/novox/mesh-sdk/go/compose"
"git.novox.be/novox/mesh-sdk/go/overlay"
"github.com/novox/mesh-controller/internal/catalogue"
"github.com/novox/mesh-controller/internal/conditions"
"github.com/novox/mesh-controller/internal/inventory"
"github.com/novox/mesh-controller/internal/overlay"
)
func TestAModuleAssignedAndNotPushedIsAwaitingAPushNotUncomposable(t *testing.T) {
@@ -26,13 +25,21 @@ func TestAModuleAssignedAndNotPushedIsAwaitingAPushNotUncomposable(t *testing.T)
// The read the rest of the mesh asks still refuses it, with the composer's typed error: nothing
// can be compared about a secret that does not exist (status), and nothing here string-matches.
_, _, err := composeQuestion(ctx, open, "laptop", compose.Reading, false)
plan, settings, err := planFor(ctx, open, "laptop")
if err != nil {
t.Fatal(err)
}
gens, err := generators(ctx, open)
if err != nil {
t.Fatal(err)
}
_, err = declarationWith(ctx, open, "laptop", plan, settings, gens, Reading)
var notMade *catalogue.NotMadeError
if !errors.As(err, &notMade) || notMade.Module != "keeper" || notMade.Name != "repository" {
t.Fatalf("a read composition did not say which secret is not made, typed: %v", err)
}
// Foreseen, it composes, names what the push makes, and made nothing.
foreseen, _, err := composeQuestion(ctx, open, "laptop", compose.Foreseeing, false)
foreseen, err := declarationWith(ctx, open, "laptop", plan, settings, gens, Foreseeing)
if err != nil || len(foreseen.foreseen) != 1 || foreseen.foreseen[0] != "keeper/repository" {
t.Fatalf("foreseen: %v %v", foreseen.foreseen, err)
}
+5 -4
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@@ -4,7 +4,7 @@ import (
"testing"
"time"
"git.novox.be/novox/mesh-sdk/go/catalogue"
"github.com/novox/mesh-controller/internal/catalogue"
"github.com/novox/mesh-controller/internal/conditions"
"github.com/novox/mesh-controller/internal/inventory"
)
@@ -29,7 +29,7 @@ func aKeeper() catalogue.Manifest {
func pushedBy(t *testing.T, open *stores, node string) string {
t.Helper()
ctx := t.Context()
plan, settings, err := resolveNode(ctx, open, node)
plan, settings, err := planFor(ctx, open, node)
if err != nil {
t.Fatal(err)
}
@@ -54,10 +54,11 @@ func pushedBy(t *testing.T, open *stores, node string) string {
if err != nil {
t.Fatal(err)
}
builds = map[string]string{}
names := make([]string, 0, len(plan.Modules))
for _, m := range plan.Modules {
builds[m.Module] = current[m.Module].Commit
names = append(names, m.Module)
}
builds = carriedBuilds(names, nil, current, nil)
}
if err := open.inventory.RecordSent(ctx, record.ID, digest, builds); err != nil {
t.Fatal(err)
+1 -1
View File
@@ -13,8 +13,8 @@ import (
"github.com/nats-io/nats.go"
"git.novox.be/novox/mesh-sdk/go/catalogue"
"github.com/novox/mesh-controller/internal/broker"
"github.com/novox/mesh-controller/internal/catalogue"
"github.com/novox/mesh-controller/internal/inventory"
"github.com/novox/mesh-controller/internal/link"
"github.com/novox/mesh-controller/internal/testbus"
@@ -10,9 +10,9 @@ import (
"testing"
"time"
"git.novox.be/novox/mesh-sdk/go/catalogue"
"github.com/nats-io/nats.go"
"github.com/novox/mesh-controller/internal/broker"
"github.com/novox/mesh-controller/internal/catalogue"
"github.com/novox/mesh-controller/internal/inventory"
"github.com/novox/mesh-controller/internal/link"
"github.com/novox/mesh-controller/internal/testbus"
+30 -80
View File
@@ -3,7 +3,6 @@ package main
import (
"context"
"encoding/json"
"errors"
"fmt"
"os"
"slices"
@@ -125,67 +124,6 @@ func durationSetting(v any) (time.Duration, bool) {
return 0, false
}
// mergeFacts is what hearMerge judges a merge by, kept apart so the catch-up (ADR 0457) judges a merge the way hearing it will.
type mergeFacts struct {
merged time.Time
touches []inventory.Entry
later []inventory.BatchedMerge
owed bool
from, packaging []inventory.Entry
already int
addsModuleToBuilds bool // a first merge into a repository the mesh builds nothing from: firstBuilds acts on it
}
// factsOfMerge reads what hearing a merge turns on: the modules it touches whatever the history, the later merges of its
// branch, whether it is owed late, and the modules it moves.
func factsOfMerge(ctx context.Context, inv *inventory.Inventory, m link.SourceMoved, now time.Time,
entries []inventory.Entry, read map[string][]inventory.ReadRepository) (mergeFacts, error) {
repository := m.Owner + "/" + m.Repo
f := mergeFacts{}
var err error
f.merged, err = time.Parse(time.RFC3339Nano, m.MergedAt)
if err != nil {
f.merged = now
}
// **What it touches, history or not** (review of this change): a merge heard after a later merge of its
// branch was cut reads as history for every module that cut marked seen, and was dropped from the record
// here, never named by the walk that carried it.
raw := m
raw.MergedAt = ""
f.touches = wouldMove(raw, entries, read)
if len(f.touches) > 0 {
if f.later, err = inv.LaterMergesOf(ctx, repository, m.Base, f.merged.UTC()); err != nil {
return f, err
}
}
if f.owed, err = owedLate(ctx, inv, m, f.merged, f.touches); err != nil {
return f, err
}
f.from, f.packaging, f.already = mergeCandidates(m, entries, read)
f.addsModuleToBuilds = f.already == 0 && len(addedDirs(m, entries, read)) > 0
return f, nil
}
// plans says hearing the merge puts it in a batch or a walk.
func (f mergeFacts) plans() bool {
return len(f.from) > 0 || len(f.packaging) > 0 || len(f.later) > 0 || f.owed
}
// heldMerge marks a failure to act on a merge, whatever it was, as "not now": the announcement is held on the bus and
// handed over again, so the merge joins the next batch, never taken (issue 1583, after 921). The bus acknowledges it
// only when hearMerge answers without ErrTryAgain, and a merge heard once is not announced again: the bus answering
// "jetstream not enabled", a bucket missing for a moment or a store read cut short each lost the merge when only an
// outage of a known kind (notNow) was held. The delay between hands-over is bounded (link.MergeRedeliverAfter).
func heldMerge(err error) error {
if err == nil {
return nil
}
if errors.Is(err, link.ErrTryAgain) {
return err
}
return fmt.Errorf("%w: the merge is not kept yet: %w", link.ErrTryAgain, err)
}
// hearMerge puts a merge the forge announced into the batch that answers it, at the moment it was heard,
// and cuts what is due.
func (f following) hearMerge(ctx context.Context, m link.SourceMoved, now time.Time) error {
@@ -196,7 +134,7 @@ func (f following) hearMerge(ctx context.Context, m link.SourceMoved, now time.T
inv := f.open.inventory
repository := m.Owner + "/" + m.Repo
if kept, known, err := inv.MergeOf(ctx, repository, m.Commit); err != nil {
return heldMerge(err)
return notNow(err)
} else if known {
fmt.Printf("%s merged into %s (%.8s) was heard before; %s answers it\n", repository, m.Base, m.Commit,
orWords(kept.Plan, "a walk of its own commit, once the walks before it end"))
@@ -204,19 +142,33 @@ func (f following) hearMerge(ctx context.Context, m link.SourceMoved, now time.T
}
entries, err := inv.Catalogued(ctx)
if err != nil {
return heldMerge(err)
return notNow(err)
}
read, err := readForPlanning(ctx, inv)
if err != nil {
return heldMerge(err)
return notNow(err)
}
facts, err := factsOfMerge(ctx, inv, m, now, entries, read)
merged, err := time.Parse(time.RFC3339Nano, m.MergedAt)
if err != nil {
return heldMerge(err)
merged = now
}
merged, touches := facts.merged, facts.touches
if !facts.plans() {
already := facts.already
// **What it touches, history or not** (review of this change): a merge heard after a later merge of its
// branch was cut reads as history for every module that cut marked seen, and was dropped from the record
// here, never named by the walk that carried it.
raw := m
raw.MergedAt = ""
touches := wouldMove(raw, entries, read)
var later []inventory.BatchedMerge
if len(touches) > 0 {
if later, err = inv.LaterMergesOf(ctx, repository, m.Base, merged.UTC()); err != nil {
return notNow(err)
}
}
owed, err := owedLate(ctx, inv, m, merged, touches)
if err != nil {
return notNow(err)
}
if from, packaging, already := mergeCandidates(m, entries, read); len(from) == 0 && len(packaging) == 0 && len(later) == 0 && !owed {
// "Already built from it" and "nothing reads it" are different facts, and reading the first
// as the second sends somebody looking for a broken trigger when the mesh is up to date.
if already > 0 {
@@ -226,28 +178,26 @@ func (f following) hearMerge(ctx context.Context, m link.SourceMoved, now time.T
}
if already == 0 {
if done, err := f.firstBuilds(ctx, m, entries, read, now); err != nil || done {
return heldMerge(err)
return err
}
}
fmt.Print(nothingReadsIt(repository, m))
return nil
}
// **A module the merge adds is asked for now** (novox/hq issue 1617), not when the batch is cut.
askNewModulesAtHearing(ctx, inv, m, entries, read, facts.from)
// **Its delivery group's word, before the plans are held** (ADR 0306 decision 2): a slow answer holds up no walk.
own := ownPath(touches)
waits, holding, err := groupWaitHolding(ctx, inv, m, deliverySeatHeld(entries))
if err != nil {
return heldMerge(err)
return notNow(err)
}
release, err := inv.HoldPlans(ctx, true)
if err != nil {
return heldMerge(err)
return notNow(err)
}
defer release()
// Again under the hold: a controller handing over may have kept it since.
if _, known, err := inv.MergeOf(ctx, repository, m.Commit); err != nil || known {
return heldMerge(err)
return notNow(err)
}
var moves []string
for _, e := range touches {
@@ -266,11 +216,11 @@ func (f following) hearMerge(ctx context.Context, m link.SourceMoved, now time.T
// word** (decided during the build, 2026-10-10): batched together, the catalogue's deliveries would start
// with the controller's and skip their turn. Each kind has a batch of its own.
if p, ok, err := answeredByALaterMerge(ctx, inv, heard, touches, own, deliverySeatHeld(entries)); err != nil {
return heldMerge(err)
return notNow(err)
} else if ok {
heard.Plan = p.ID
if _, err := inv.AddMerge(ctx, heard); err != nil {
return heldMerge(err)
return notNow(err)
}
if p.Batch() {
if err := keepBatch(ctx, inv, &p, now, ""); err != nil {
@@ -286,11 +236,11 @@ func (f following) hearMerge(ctx context.Context, m link.SourceMoved, now time.T
batch, why, err := batchToJoin(ctx, inv, heard, entries, read, now, own, waits)
if err != nil {
return heldMerge(err)
return notNow(err)
}
heard.Plan = batch.ID
if added, err := inv.AddMerge(ctx, heard); err != nil || !added {
return heldMerge(err)
return notNow(err)
}
holdFor(&batch, m.Head, waits, holding, own, now)
if err := keepBatch(ctx, inv, &batch, now, ""); err != nil {
@@ -11,7 +11,7 @@ import (
"testing"
"time"
"git.novox.be/novox/mesh-sdk/go/catalogue"
"github.com/novox/mesh-controller/internal/catalogue"
"github.com/novox/mesh-controller/internal/inventory"
"github.com/novox/mesh-controller/internal/link"
)
+1 -1
View File
@@ -10,7 +10,7 @@ import (
"testing"
"time"
"git.novox.be/novox/mesh-sdk/go/catalogue"
"github.com/novox/mesh-controller/internal/catalogue"
"github.com/novox/mesh-controller/internal/inventory"
"github.com/novox/mesh-controller/internal/link"
)
+2 -4
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@@ -4,7 +4,7 @@ import (
"context"
"fmt"
"git.novox.be/novox/mesh-sdk/go/catalogue"
"github.com/novox/mesh-controller/internal/catalogue"
"github.com/novox/mesh-controller/internal/conditions"
)
@@ -73,8 +73,6 @@ func reportKept(ctx context.Context, plan catalogue.Resolution) {
// sent, on every machine — the resolver kept it there (said, urgent, until a person pins), or a pin
// moves it (said, so the data goes first), and never anything else.
func probeBindings(ctx context.Context, d *doctor) ([]conditions.Observation, error) {
// One reading of the mesh for every machine this looks at.
ctx = withInputCache(ctx)
inv := d.open.inventory
nodes, err := inv.Nodes(ctx)
if err != nil {
@@ -82,7 +80,7 @@ func probeBindings(ctx context.Context, d *doctor) ([]conditions.Observation, er
}
var out []conditions.Observation
for _, n := range nodes {
plan, _, err := resolveNode(ctx, d.open, n.Name)
plan, _, err := planFor(ctx, d.open, n.Name)
if err != nil {
if unresolvable(err) {
// D1 says it, with the binding that refused it when that is why.
@@ -6,7 +6,7 @@ import (
"strings"
"testing"
"git.novox.be/novox/mesh-sdk/go/catalogue"
"github.com/novox/mesh-controller/internal/catalogue"
"github.com/novox/mesh-controller/internal/conditions"
)
@@ -37,7 +37,7 @@ func TestTheIncidentAConsumerStaysBesideItsDataUntilAPersonPinsIt(t *testing.T)
assignAll([2]string{"laptop", "store"}, [2]string{"laptop", "resolver"}, [2]string{"laptop", "network"},
[2]string{"laptop", "board"})
plan, _, err := resolveNode(ctx, open, "laptop")
plan, _, err := planFor(ctx, open, "laptop")
if err != nil {
t.Fatal(err)
}
@@ -64,7 +64,7 @@ func TestTheIncidentAConsumerStaysBesideItsDataUntilAPersonPinsIt(t *testing.T)
if err := inv.Unassign(ctx, "laptop", "store"); err != nil {
t.Fatal(err)
}
if _, _, err := resolveNode(ctx, open, "laptop"); err == nil || !unresolvable(err) ||
if _, _, err := planFor(ctx, open, "laptop"); err == nil || !unresolvable(err) ||
!strings.Contains(err.Error(), "board on laptop is bound to laptop/store") ||
!strings.Contains(err.Error(), "pin laptop postgres-database anchor store") {
t.Fatalf("the consumer's store went and it was answered elsewhere: %v", err)
@@ -74,7 +74,7 @@ func TestTheIncidentAConsumerStaysBesideItsDataUntilAPersonPinsIt(t *testing.T)
if err := inv.PinProvision(ctx, "laptop", "postgres-database", "anchor", "store"); err != nil {
t.Fatal(err)
}
plan, _, err = resolveNode(ctx, open, "laptop")
plan, _, err = planFor(ctx, open, "laptop")
if err != nil {
t.Fatal(err)
}
+1 -1
View File
@@ -4,7 +4,7 @@ import (
"strings"
"testing"
"git.novox.be/novox/mesh-sdk/go/catalogue"
"github.com/novox/mesh-controller/internal/catalogue"
"github.com/novox/mesh-controller/internal/conditions"
)
+1 -1
View File
@@ -15,9 +15,9 @@ import (
"github.com/nats-io/nats.go"
"git.novox.be/novox/mesh-sdk/go/catalogue"
"github.com/novox/mesh-controller/internal/broker"
"github.com/novox/mesh-controller/internal/builder"
"github.com/novox/mesh-controller/internal/catalogue"
"github.com/novox/mesh-controller/internal/inventory"
"github.com/novox/mesh-controller/internal/link"
)
+1 -1
View File
@@ -3,7 +3,7 @@ package main
import (
"testing"
"git.novox.be/novox/mesh-sdk/go/catalogue"
"github.com/novox/mesh-controller/internal/catalogue"
"github.com/novox/mesh-controller/internal/inventory"
"github.com/novox/mesh-controller/internal/link"
)
+21 -116
View File
@@ -10,7 +10,7 @@ import (
"strings"
"time"
"git.novox.be/novox/mesh-sdk/go/catalogue"
"github.com/novox/mesh-controller/internal/catalogue"
"github.com/novox/mesh-controller/internal/inventory"
"github.com/novox/mesh-controller/internal/link"
)
@@ -75,94 +75,35 @@ func markServed() {
type sourceForms struct {
bases map[string]string // the seat's clone base, `scheme://host:port`, by seat; "" where it is not known
base func(seat string) string
// read is base with the reason it is unknown; nil where only base is given. again forces a fresh read past a
// failure kept for failedKept.
read func(ctx context.Context, seat string, again bool) (string, error)
}
// failedKept is how long an unreadable base is not read again for the callers that loop over every catalogue
// entry: one composition of the mesh serves them all (novox/hq issue 1277).
const failedKept = 5 * time.Second
// newSourceForms reads the seats' bases from the mesh when first needed. A base that could not be read is not
// kept as if it were known: it is read again at the next ask (novox/hq issue 1277).
// newSourceForms reads the seats' bases from the mesh once, when first needed.
func newSourceForms(ctx context.Context, inv *inventory.Inventory) *sourceForms {
return sourceFormsRead(ctx, time.Now, func(ctx context.Context) (catalogue.World, error) {
shelf, err := inv.Catalogue(ctx)
if err != nil {
return catalogue.World{}, fmt.Errorf("the catalogue cannot be read: %w", err)
}
read, err := restOfTheMeshOf(ctx, inv, shelf, "")
if err != nil {
return catalogue.World{}, fmt.Errorf("the mesh cannot be read: %w", err)
}
return read, nil
})
}
// sourceFormsRead is newSourceForms on how the mesh is read, handed in.
func sourceFormsRead(ctx context.Context, now func() time.Time,
readWorld func(context.Context) (catalogue.World, error)) *sourceForms {
f := &sourceForms{bases: map[string]string{}}
var failedAt time.Time // when the last read failed; zero when it did not
var failure error
f.read = func(ctx context.Context, seat string, again bool) (string, error) {
if b, known := f.bases[seat]; known {
return b, nil
}
if failure != nil && !again && now().Sub(failedAt) < failedKept {
return "", failure
}
world, err := readWorld(ctx)
if err == nil {
var b string
if b, err = seatBase(world, seat); err == nil {
failure = nil
f.bases[seat] = b
return b, nil
}
}
failedAt, failure = now(), err // the holder may be changing now: only an unread base is kept, for a moment
return "", err
}
var world *catalogue.World
f.base = func(seat string) string {
b, _ := f.read(ctx, seat, false)
if b, known := f.bases[seat]; known {
return b
}
if world == nil {
w := catalogue.World{}
if shelf, err := inv.Catalogue(ctx); err == nil {
if read, err := theRestOfTheMesh(ctx, inv, shelf, ""); err == nil {
w = read
}
}
world = &w
}
b, err := seatBase(*world, seat)
if err != nil {
b = ""
}
f.bases[seat] = b
return b
}
return f
}
// forgeAddressWait is the registration's wait for the forge's address (novox/hq issue 1277): a fresh read every
// 5 s for at most 60 s, as the wait for the forge's answer (issue 486). A variable so a test waits in no real time.
var forgeAddressWait = waitOut{bound: 60 * time.Second, first: 5 * time.Second, most: 5 * time.Second,
now: time.Now, sleep: sleepOrDone}
// forgeAddress is the git seat's base, read again within w's bound while it cannot be read. Where the forms have
// no reader of their own (a test's), base says it.
func (f *sourceForms) forgeAddress(ctx context.Context, w waitOut) (string, error) {
if f.read == nil {
return f.base(gitSeat), nil
}
began := w.now()
for {
b, err := f.read(ctx, gitSeat, true)
if err == nil {
return b, nil
}
if ctx.Err() != nil {
return "", err
}
if w.now().Sub(began)+w.first > w.bound {
return "", fmt.Errorf("after %s: %w", w.now().Sub(began).Round(time.Second), err)
}
fmt.Printf("the forge's address cannot be read now (%v); reading it again in %s, for at most %s in all "+
"(novox/hq issue 1277)\n", err, w.first, w.bound)
if serr := w.sleep(ctx, w.first); serr != nil {
return "", err
}
}
}
// canonical is one spelling of a repository: lower case, no `.git`, no trailing slash, and a seat's path as
// the URL its holder serves it at where that is known.
func (f *sourceForms) canonical(repository, seat string) string {
@@ -215,29 +156,11 @@ type forgeFacts struct {
// protection, waiting out a forge not served for a moment (novox/hq issue 486). A variable so a test needs no
// forge.
var askTheForge = func(ctx context.Context, owner, repo, branch string) (forgeFacts, error) {
return askedWithinBudget(ctx, owner+"/"+repo, func(ctx context.Context) (forgeFacts, error) {
return forgeWaitedOut(ctx, forgeWait, owner+"/"+repo, func(ctx context.Context) (forgeFacts, error) {
return askTheForgeOnce(ctx, owner, repo, branch)
})
}
type forgeBudgetKey struct{}
// withForgeBudget says how much of the registration's one wait is left for the forge's answer: the wait for its
// address has used the rest (novox/hq issue 1277). The registration holds the controller's one receive loop, so the
// two waits together keep to one bound.
func withForgeBudget(ctx context.Context, left time.Duration) context.Context {
return context.WithValue(ctx, forgeBudgetKey{}, max(left, 0))
}
// askedWithinBudget is forgeWaitedOut with forgeWait's bound, or what is left of it when the address was waited for.
func askedWithinBudget(ctx context.Context, repository string, ask func(context.Context) (forgeFacts, error)) (forgeFacts, error) {
w := forgeWait
if left, ok := ctx.Value(forgeBudgetKey{}).(time.Duration); ok {
w.bound = min(w.bound, left)
}
return forgeWaitedOut(ctx, w, repository, ask)
}
// waitOut bounds how long a question is asked again while its answer is "not now": a pause of first, doubling
// to most, for at most bound in all. now and sleep are the clock, so a test waits in no real time.
type waitOut struct {
@@ -555,24 +478,6 @@ func mayRegisterIn(ctx context.Context, inv registrations, forms *sourceForms, m
return refuse(why)
}
if built.Seat == "" {
// A URL is judged against the forge's address: an address that cannot be read is no proof the source is
// elsewhere (novox/hq issue 1277).
began := forgeAddressWait.now()
addressCtx, cancel := context.WithTimeout(ctx, forgeAddressWait.bound)
_, err := forms.forgeAddress(addressCtx, forgeAddressWait)
cancel()
ctx = withForgeBudget(ctx, forgeAddressWait.bound-forgeAddressWait.now().Sub(began))
if err != nil {
if terminal {
fmt.Printf("%s: the forge's address could not be read (%v) — registered, as asked at the controller's "+
"terminal\n", buildID, err)
return 0, nil
}
return refuse(fmt.Sprintf("the forge's address could not be read (%v), so whether %s's trunk is "+
"protected cannot be read", err, sourceWords(built.Repository, built.Seat)))
}
}
owner, name, onForge := forms.onTheForge(built.Repository, built.Seat)
if !onForge {
if terminal {
+1 -1
View File
@@ -11,7 +11,7 @@ import (
"github.com/nats-io/nats.go"
"git.novox.be/novox/mesh-sdk/go/catalogue"
"github.com/novox/mesh-controller/internal/catalogue"
"github.com/novox/mesh-controller/internal/conditions"
"github.com/novox/mesh-controller/internal/inventory"
"github.com/novox/mesh-controller/internal/link"
-7
View File
@@ -32,13 +32,6 @@ func assertBusObjects(ctx context.Context, inv *inventory.Inventory, r broker.Ra
if err := broker.Raise(r, names); err != nil {
return nil, err
}
// And each node's bucket for the files of its declaration that travel by digest (novox/hq ADR 0486 §4), so a node finds its own
// whenever the bus is up.
if files, ok := r.(interface{ EnsureDeclarationFiles(nodes []string) error }); ok {
if err := files.EnsureDeclarationFiles(names); err != nil {
return nil, err
}
}
// The work queues of the mesh's own roles (novox/hq ADR 0121). The queue before the holder,
// deliberately: work queues until somebody arrives to do it, so assigning a build machine a week
// after something started asking for builds flushes the backlog instead of having lost it.
+1 -1
View File
@@ -9,8 +9,8 @@ import (
"github.com/nats-io/nats.go"
"git.novox.be/novox/mesh-sdk/go/catalogue"
"github.com/novox/mesh-controller/internal/broker"
"github.com/novox/mesh-controller/internal/catalogue"
"github.com/novox/mesh-controller/internal/inventory"
"github.com/novox/mesh-controller/internal/link"
+1 -1
View File
@@ -5,7 +5,7 @@ import (
"testing"
"time"
"git.novox.be/novox/mesh-sdk/go/catalogue"
"github.com/novox/mesh-controller/internal/catalogue"
"github.com/novox/mesh-controller/internal/inventory"
)
-647
View File
@@ -1,647 +0,0 @@
package main
import (
"context"
"errors"
"fmt"
"net/url"
"path"
"regexp"
"slices"
"sort"
"strconv"
"strings"
"sync"
"time"
"github.com/nats-io/nats.go"
"github.com/nats-io/nats.go/jetstream"
"git.novox.be/novox/mesh-sdk/go/asks"
sdkdelivery "git.novox.be/novox/mesh-sdk/go/delivery"
"github.com/novox/mesh-controller/internal/conditions"
"github.com/novox/mesh-controller/internal/inventory"
"github.com/novox/mesh-controller/internal/link"
)
// **The controller catches up on merges it did not hear** (novox/hq ADR 0457, issue 1336). A merge the forge announced while the
// controller was being replaced was never heard, and nothing asked for it again: the trunk held a merge no walk answered. At its
// start, and each time it hears a merge, the controller reads the last catchUpWindow merge commits of a trunk from the forge, and
// hears each one it holds no record of as if the forge had announced it then, on the warrant the router holds for it.
// It lasts until release 6 of design 47 deletes delivery plans and batches (ADR 0429 §7, §8).
// catchUpWindow is how many of a trunk's newest merge commits are read; an older merge is a person's to decide.
const catchUpWindow = 50
// kindMergeNotHeard is the condition of a merge the controller did not hear and holds no warrant to plan.
const kindMergeNotHeard = "merge-not-heard"
// trunkMerge is a merge commit of a trunk as the forge lists it.
type trunkMerge struct {
Commit string
// Head is the merge commit's second parent: the pull request's head that was merged.
Head string
Subject string
At time.Time
}
// trunkCommit is a commit of a trunk as the forge lists it, newest first: a merge commit has a second parent.
type trunkCommit struct {
Commit, SecondParent, Subject string
At time.Time
}
// trunkCommitsPage is one page (fifty) of a trunk's commits, newest first; empty past the last. A variable so a test needs no
// forge.
var trunkCommitsPage = func(ctx context.Context, owner, repo, branch string, page int) ([]trunkCommit, error) {
var found struct {
Result []struct {
SHA string `json:"sha"`
Parents []struct {
SHA string `json:"sha"`
} `json:"parents"`
Commit struct {
Message string `json:"message"`
Committer struct {
Date string `json:"date"`
} `json:"committer"`
} `json:"commit"`
} `json:"result"`
}
apiPath := fmt.Sprintf("/repos/%s/%s/commits?sha=%s&limit=50&page=%d&stat=false&verification=false&files=false",
owner, repo, url.QueryEscape(branch), page)
missing, err := askForgeApi(ctx, apiPath, &found)
if err != nil {
return nil, err
}
if missing {
return nil, fmt.Errorf("the forge holds no branch %s of %s/%s", branch, owner, repo)
}
var out []trunkCommit
for _, c := range found.Result {
at, _ := time.Parse(time.RFC3339, c.Commit.Committer.Date)
tc := trunkCommit{Commit: c.SHA, Subject: firstLine(c.Commit.Message), At: at.UTC()}
if len(c.Parents) >= 2 {
tc.SecondParent = c.Parents[1].SHA
}
out = append(out, tc)
}
return out, nil
}
// readTrunkMerges is the last catchUpWindow merge commits of a repository's trunk, oldest first: pages are read until that many
// merges are held or the trunk ends.
func readTrunkMerges(ctx context.Context, owner, repo, branch string) ([]trunkMerge, error) {
var merges []trunkMerge
for page := 1; page <= 8 && len(merges) < catchUpWindow; page++ {
commits, err := trunkCommitsPage(ctx, owner, repo, branch, page)
if err != nil {
return nil, err
}
if len(commits) == 0 {
break
}
for _, c := range commits {
// A merge of the trunk is a pull request's merge into it. A commit with a second parent that is none is a merge made
// inside some branch ("Merge remote-tracking branch 'origin/main' into fix/..."), which the trunk's history lists too and
// which no Approve ever covered: read as a gap it would raise a condition for nothing a person decides.
if c.SecondParent != "" && mergesIntoTrunk(c.Subject, branch) {
merges = append(merges, trunkMerge{Commit: c.Commit, Head: c.SecondParent, Subject: c.Subject, At: c.At})
}
}
}
return lastMerges(merges), nil
}
// sinceTheRecord are the merges that can be gaps (novox/hq ADR 0463 §2): those made since the controller's record of merges begins on
// the mesh (first, the earliest merge it holds of any repository and branch, less mergeGrace as owedLate judges). A merge before it is
// history on every trunk, and a trunk with no merge kept of its own still has the merges made since as gaps. With no merge kept
// anywhere there is no record to have a gap in.
func sinceTheRecord(merges []trunkMerge, kept bool, first time.Time) []trunkMerge {
if !kept {
return nil
}
var out []trunkMerge
for _, m := range merges {
if !m.At.Before(first.Add(-mergeGrace)) {
out = append(out, m)
}
}
return out
}
// lastMerges is the newest catchUpWindow of merges, given newest first, oldest first.
func lastMerges(newestFirst []trunkMerge) []trunkMerge {
if len(newestFirst) > catchUpWindow {
newestFirst = newestFirst[:catchUpWindow]
}
out := slices.Clone(newestFirst)
slices.Reverse(out)
return out
}
var mergeSubject = regexp.MustCompile(`^Merge pull request '(.*)' \(#(\d+)\) from (\S+) into (\S+)$`)
// pullOfSubject is the pull request a merge commit's subject names: its title and number.
func pullOfSubject(subject string) (title string, number int, ok bool) {
m := mergeSubject.FindStringSubmatch(strings.TrimSpace(subject))
if m == nil {
return "", 0, false
}
n, err := strconv.Atoi(m[2])
if err != nil || n <= 0 {
return "", 0, false
}
return m[1], n, true
}
// mergesIntoTrunk says a commit's subject is a pull request's merge into this trunk.
func mergesIntoTrunk(subject, branch string) bool {
m := mergeSubject.FindStringSubmatch(strings.TrimSpace(subject))
return m != nil && m[4] == branch
}
// headBranchOfSubject is the branch a merge commit's subject says was merged.
func headBranchOfSubject(subject string) string {
if m := mergeSubject.FindStringSubmatch(strings.TrimSpace(subject)); m != nil {
return m[3]
}
return ""
}
// readMergeEvent is the merge as the forge would have announced it: the commit, the pull request, the files it changed and the
// directories among them that hold a module.json. A variable so a test needs no forge.
var readMergeEvent = func(ctx context.Context, owner, repo, branch string, tm trunkMerge) (link.SourceMoved, error) {
m := link.SourceMoved{Owner: owner, Repo: repo, Base: branch, Head: headBranchOfSubject(tm.Subject), HeadSHA: tm.Head,
Commit: tm.Commit, MergedAt: tm.At.UTC().Format(time.RFC3339)}
if title, number, ok := pullOfSubject(tm.Subject); ok {
m.Number, m.Title = number, title
}
var found struct {
Result struct {
Files []struct {
Filename string `json:"filename"`
Status string `json:"status"`
} `json:"files"`
} `json:"result"`
}
missing, err := askForgeApi(ctx, "/repos/"+owner+"/"+repo+"/git/commits/"+url.PathEscape(tm.Commit), &found)
if err != nil {
return m, err
}
if missing || len(found.Result.Files) == 0 {
return m, fmt.Errorf("the forge named no files for the merge %.8s of %s/%s", tm.Commit, owner, repo)
}
for _, f := range found.Result.Files {
m.Paths = append(m.Paths, f.Filename)
if f.Status == "removed" || f.Status == "deleted" {
m.Removed = append(m.Removed, f.Filename)
}
}
// The forge lists a merge's files by the page; a list as long as a page may be a beginning.
m.PathsTruncated = len(m.Paths) >= 300
dirs := map[string]bool{}
for _, p := range m.Paths {
for d := path.Dir(p); ; d = path.Dir(d) {
dirs[d] = true
if d == "." || d == "/" {
break
}
}
}
if len(dirs) > 64 {
return m, nil // too many to look at: the old rule stands, a directory is a module when its manifest changed
}
var holding []string
for d := range dirs {
file := "module.json"
if d != "." {
file = d + "/module.json"
}
_, exists, err := manifestCached(ctx, owner, repo, file, tm.Commit)
if err != nil {
return m, err
}
if exists {
holding = append(holding, d)
}
}
sort.Strings(holding)
m.ModuleDirs, m.ModuleDirsSaid = holding, true
return m, nil
}
// mergeAskPrefix is what the id of a merge ask made by the retired module mesh-delivery begins with: the pull request's number
// and the head's first twelve digits (`merge-<number>-<head>-<try>`). The teller's ids name neither (see findMergeWarrant).
func mergeAskPrefix(number int, head string) string {
if len(head) > 12 {
head = head[:12]
}
return fmt.Sprintf("merge-%d-%s-", number, head)
}
// askersOfMerges are the askers a merge's warrant is read under: the teller, and mesh-delivery for a merge before release 3e
// (ADR 0437 §6). Release 4's controller work stops accepting mesh-delivery (ADR 0450 §8); a merge asked under it earlier is
// still found here until then.
func askersOfMerges() []string { return []string{sdkdelivery.TellerModule, theDelivery} }
// caughtUpWarrant judges a chosen merge ask of the router as the warrant of a merge: the ask is the operator's, the warrant
// answers that very ask as it was published, and it is the operator's Approve proved by the channel it came through (ADR 0437
// §6, as movedOnApprove judges an announced one). The heads the Approve was bound to are checked by the caller, where it can
// name them.
func caughtUpWarrant(asker string, ask *asks.Ask, w *asks.Warrant) (string, error) {
if err := askerAccepted(asker); err != nil {
return "", err
}
switch {
case ask == nil || w == nil:
return "", errors.New("the router holds no closed record of the ask")
case ask.Who != asks.Operator:
return "", fmt.Errorf("the ask %s is for %q to answer, not the operator", ask.ID, ask.Who)
}
option, err := w.For(asker, *ask)
if err != nil {
return "", err
}
if option.ID != optionApprove || w.Option != optionApprove {
return "", fmt.Errorf("the operator chose %q on the ask %s, not an Approve", w.Option, w.Ask)
}
if w.By == nil || w.By.Who != asks.Operator || w.By.Verified == "" {
return "", fmt.Errorf("the ask %s was not answered by the operator on a channel that proves who answered", w.Ask)
}
return w.Says() + " (ask " + w.Ask + ")", nil
}
// routerAskIDs are the ids of the asks an asker has in the router's record. A variable so a test needs no bus.
var routerAskIDs = func(ctx context.Context, inv catalogueReader, asker string) ([]string, error) {
serving := servingBus.Load()
if serving == nil {
return nil, errors.New("only the serving controller reads the router's record")
}
bucket, err := asksRecords(ctx, inv)
if err != nil {
return nil, err
}
if bucket == "" {
return nil, errors.New("no module declares the operator channel's records")
}
api, err := jetstream.New(serving.Conn())
if err != nil {
return nil, err
}
kv, err := api.KeyValue(ctx, bucket)
if err != nil {
return nil, err
}
return askIDsOf(ctx, kv, asker)
}
// askIDsOf are the ids of the asks an asker has in the router's bucket.
func askIDsOf(ctx context.Context, kv jetstream.KeyValue, asker string) ([]string, error) {
lister, err := kv.ListKeysFiltered(ctx, asker+".>")
if err != nil {
return nil, err
}
var ids []string
for key := range lister.Keys() {
ids = append(ids, strings.TrimPrefix(key, asker+"."))
}
// The lister stops its own watch when it has sent the last key, so a stop of ours finds it stopped: nats answers that with
// "invalid subscription", which is no failure of the read (issue 1336). Any other error stays one.
if err := lister.Stop(); err != nil && !errors.Is(err, nats.ErrBadSubscription) {
return nil, err
}
return ids, nil
}
// closedRecord is a router record of an ask that ended: it never changes, so it is read once.
type closedRecord struct {
ask *asks.Ask
w *asks.Warrant
}
var closedRecords sync.Map // asker + "." + id -> closedRecord
// closedRecordOf is the router's record of an ask, kept once it is closed. A nil ask is an ask still open, ended without a
// choice, or not there.
func closedRecordOf(ctx context.Context, inv catalogueReader, asker, id string) (*asks.Ask, *asks.Warrant, error) {
if v, ok := closedRecords.Load(asker + "." + id); ok {
r := v.(closedRecord)
return r.ask, r.w, nil
}
ask, w, err := routerAskOf(ctx, inv, asker, id)
if err != nil {
return nil, nil, err
}
if ask != nil && w != nil {
closedRecords.Store(asker+"."+id, closedRecord{ask, w})
}
return ask, w, nil
}
// deliveryIDOf is the id the gate gives a delivery, and so the key of its head in the heads an Approve binds: the repository as
// owner/name, lower-cased, `@` and the first twelve characters of the head.
func deliveryIDOf(owner, repo, head string) string {
if len(head) > 12 {
head = head[:12]
}
return strings.ToLower(owner+"/"+repo) + "@" + head
}
// coversHead says an ask the operator approved is for this merge: its Approve is bound to the heads of the pull request alone
// (mergeAct over {delivery id: head}, which is how a pull request not in a group is asked), or, for a group's ask, whose other
// members' heads the router's record does not carry in full, the ask as published names this pull request at this head in its
// details ("<repo>#<number> ... at <head>:"), and the digest the warrant answers covers those words.
func coversHead(ask *asks.Ask, owner, repo string, number int, head string) (how string, ok bool) {
option, found := ask.Option(optionApprove)
if !found {
return "", false
}
heads := map[string]string{deliveryIDOf(owner, repo, head): head}
if option.Performs(mergeAct(ask.ID, optionApprove, heads)) == nil {
return "bound to the head of this pull request", true
}
short := head
if len(short) > 12 {
short = short[:12]
}
line := regexp.MustCompile(`(?m)^` + regexp.QuoteMeta(repo) + `#` + strconv.Itoa(number) + ` .* at ` + regexp.QuoteMeta(short) + `:`)
if line.MatchString(ask.Details) {
return "a group's ask naming this pull request at this head", true
}
return "", false
}
// findMergeWarrant finds the warrant of a merge, with no read the controller does not make today: the router's chosen merge
// ask for it. Under the teller (releases 3e on) the id is `merge-<group>-<heads hash>-<tail>`, which names neither the pull
// request nor the head, so the teller's closed asks are read and the one the operator approved whose heads cover the merge's
// second parent is the warrant (coversHead). Under mesh-delivery, which made the earlier merges, the id names the pull request
// and the head and is found by them. Why it holds; or found false with why not, for a person to read; or an error when the
// router could not be read, which is no answer. A variable so a test needs no bus.
var findMergeWarrant = func(ctx context.Context, inv catalogueReader, owner, repo string, number int, head string) (why string, found bool, reason string, err error) {
reason = "the router holds no chosen merge ask of " + strings.Join(askersOfMerges(), " or ") + " that covers the head " + head[:min(12, len(head))]
for _, asker := range askersOfMerges() {
ids, err := routerAskIDs(ctx, inv, asker)
if err != nil {
return "", false, "", err
}
for _, id := range ids {
named := number > 0 && strings.HasPrefix(id, mergeAskPrefix(number, head))
if asker == sdkdelivery.TellerModule && !strings.HasPrefix(id, sdkdelivery.AskKindMerge+"-") {
continue
}
if asker == theDelivery && !named {
continue
}
ask, w, err := closedRecordOf(ctx, inv, asker, id)
if err != nil {
return "", false, "", err
}
if ask == nil || w == nil {
continue
}
warrant, err := caughtUpWarrant(asker, ask, w)
if err != nil {
if named {
reason = fmt.Sprintf("%s's ask %s holds no operator's Approve: %v", asker, id, err)
}
continue
}
how, covers := coversHead(ask, owner, repo, number, head)
if !covers && !named {
continue
}
if !covers {
how = "the ask's id names this pull request and head"
}
return warrant + ", " + how, true, "", nil
}
}
return "", false, reason, nil
}
// caughtTrunk is one trunk the catalogue builds from.
type caughtTrunk struct{ Owner, Repo, Branch string }
func (t caughtTrunk) repository() string { return t.Owner + "/" + t.Repo }
// trunksOfCatalogue are the trunks of the repositories on the mesh's forge the catalogue builds a module from.
func trunksOfCatalogue(forms *sourceForms, entries []inventory.Entry) []caughtTrunk {
var out []caughtTrunk
for _, e := range entries {
if e.Provided || e.Source.Repository == "" {
continue
}
owner, name, onForge := forms.onTheForge(e.Source.Repository, e.Source.Seat)
if !onForge {
continue
}
branch := followedBranch(e.Source.Ref)
if branch == "" {
branch = "main"
}
t := caughtTrunk{owner, name, branch}
if !slices.Contains(out, t) {
out = append(out, t)
}
}
return out
}
// catchUpBeside runs a catch-up beside the hearing of the merge that asked for it, so the bus's acknowledgement of that merge
// waits for no forge. A variable so a test runs it where it stands.
var catchUpBeside = func(run func()) { go run() }
// catchingUp makes one catch-up at a time.
var catchingUp sync.Mutex
// settledMerges are the merges this process found nothing to plan for: heard, and no record kept, because nothing reads them.
// They are not read from the forge again.
var settledMerges sync.Map
// catchUp hears the merges of the catalogue's trunks (only one, when only names it) that the controller holds no record of.
// It says whether a trunk was left for later: the forge, the router or the store did not answer.
func (f following) catchUp(ctx context.Context, only *caughtTrunk) (later bool) {
catchingUp.Lock()
defer catchingUp.Unlock()
inv := f.open.inventory
entries, err := inv.Catalogued(ctx)
if err != nil {
fmt.Printf("catch-up: the catalogue cannot be read, so no merge is caught up now: %v\n", err)
return true
}
kept, first, err := inv.EarliestKept(ctx)
if err != nil {
fmt.Printf("catch-up: what the controller kept cannot be read, so no merge is caught up now: %v\n", err)
return true
}
if kept {
fmt.Printf("catch-up: the controller's record of merges begins %s; a merge made before it, less %s, is history on every trunk\n",
first.UTC().Format(time.RFC3339), mergeGrace)
} else {
fmt.Println("catch-up: the controller holds no merge of any trunk yet, so none can have been missed")
}
trunks := trunksOfCatalogue(newSourceForms(ctx, inv), entries)
if only != nil {
trunks = slices.DeleteFunc(trunks, func(t caughtTrunk) bool {
return !strings.EqualFold(t.repository(), only.repository()) || t.Branch != only.Branch
})
}
for _, t := range trunks {
if f.catchUpTrunk(ctx, t, kept, first) {
later = true
}
}
return later
}
func (f following) catchUpTrunk(ctx context.Context, t caughtTrunk, kept bool, first time.Time) (later bool) {
inv := f.open.inventory
repository := t.repository()
merges, err := readTrunkMerges(ctx, t.Owner, t.Repo, t.Branch)
if err != nil {
// Not nothing to catch up: left for the next start or the next heard merge (ADR 0457 clause 3).
fmt.Printf("catch-up: the forge did not answer for the last merges of %s %s, so they are not caught up now; the next start "+
"or the next merge heard there does it: %v\n", repository, t.Branch, err)
return true
}
// **A merge made before the controller's record of merges begins is history, never a gap** (novox/hq ADR 0463 §2).
read := len(merges)
merges = sinceTheRecord(merges, kept, first)
fmt.Printf("catch-up: %s %s: %d of the last %d pull request merges were made since the record began\n", repository, t.Branch,
len(merges), read)
unwarranted := map[string]bool{}
for _, tm := range merges {
id := fmt.Sprintf("%s_%.8s", repository, tm.Commit)
if _, done := settledMerges.Load(repository + "@" + tm.Commit); done {
continue
}
if _, known, err := inv.MergeOf(ctx, repository, tm.Commit); err != nil {
fmt.Printf("catch-up: the record of %s cannot be read, so %s is not caught up now: %v\n", repository, tm.Commit[:8], err)
return true
} else if known {
continue
}
m, err := readMergeEvent(ctx, t.Owner, t.Repo, t.Branch, tm)
if err != nil {
fmt.Printf("catch-up: the merge %.8s of %s cannot be read from the forge, so it is not caught up now: %v\n", tm.Commit, repository, err)
later = true
continue
}
entries, err := inv.Catalogued(ctx)
if err != nil {
return true
}
read, err := readForPlanning(ctx, inv)
if err != nil {
return true
}
facts, err := factsOfMerge(ctx, inv, m, time.Now().UTC(), entries, read)
if err != nil {
fmt.Printf("catch-up: %s %.8s cannot be judged now: %v\n", repository, tm.Commit, err)
later = true
continue
}
// The very test hearMerge makes: a merge it would plan, or take as a first build, is a gap; any other it would say
// nothing reads, and is no gap for a person to decide.
if !facts.plans() && !facts.addsModuleToBuilds {
settledMerges.Store(repository+"@"+tm.Commit, true)
continue
}
why, found, reason, err := findMergeWarrant(ctx, inv, t.Owner, t.Repo, m.Number, tm.Head)
if err != nil {
fmt.Printf("catch-up: the router cannot be read, so %s %.8s is not caught up now: %v\n", repository, tm.Commit, err)
later = true
continue
}
if !found {
unwarranted[id] = true
f.raiseMergeNotHeard(ctx, repository, t.Branch, tm, m, reason)
continue
}
now := time.Now().UTC()
said := fmt.Sprintf("caught up: merged %s, not heard, planned %s", tm.At.Format(time.RFC3339), now.Format(time.RFC3339))
fmt.Printf("catch-up: %s merged into %s (%.8s) was not heard; %s; on the warrant %s\n", repository, t.Branch, tm.Commit, said, why)
m.Title = strings.TrimSpace(m.Title + " (" + said + ")")
if err := f.hearMerge(ctx, m, now); err != nil {
fmt.Printf("catch-up: %s %.8s could not be heard now: %v\n", repository, tm.Commit, err)
later = true
continue
}
if _, known, err := inv.MergeOf(ctx, repository, tm.Commit); err == nil && !known {
settledMerges.Store(repository+"@"+tm.Commit, true) // heard, and nothing reads it
}
}
// Cleared only when every gap was judged: one left for later may still be open.
if !later {
f.clearMergesHeard(ctx, repository, unwarranted)
}
return later
}
// raiseMergeNotHeard keeps open, and observes again, the condition of a merge with no warrant to plan it. One for each
// repository and commit, however many catch-ups find it.
func (f following) raiseMergeNotHeard(ctx context.Context, repository, branch string, tm trunkMerge, m link.SourceMoved, reason string) {
fmt.Printf("catch-up: %s merged into %s (%.8s) was not heard, and is not planned: %s\n", repository, branch, tm.Commit, reason)
if conditionsFrom == nil {
return
}
o := conditions.Observation{Scope: conditions.ScopeMerge, ID: fmt.Sprintf("%s_%.8s", repository, tm.Commit), Kind: kindMergeNotHeard,
Severity: conditions.Warning, Source: "catch-up", Resolver: conditions.ResolverOperator,
Summary: fmt.Sprintf("the merge %.8s of %s into %s was not heard by the controller, and no operator's Approve of it is on "+
"record to plan it on: a person decides", tm.Commit, repository, branch),
Said: fmt.Sprintf("%s %.8s (pull request %d, head %.8s, merged %s): %s", repository, tm.Commit, m.Number, tm.Head,
tm.At.Format(time.RFC3339), reason),
Headline: fmt.Sprintf("A merge into %s was never delivered", repository),
Explanation: fmt.Sprintf("A merge into %s was made while the controller did not hear it, and no Approve of yours for it is on "+
"record that the controller can plan it on. It stays open while the merge is among the latest %d merges of that repository. "+
"The details say what was looked for.", repository, catchUpWindow),
Needs: "decide whether that merge should be delivered, and say so if it should.",
Resolved: "the merge is planned, or is no longer among the latest merges of its repository"}
if _, err := conditionsFrom.Observe(ctx, o); err != nil {
fmt.Printf("catch-up: the condition of %s %.8s could not be kept: %v\n", repository, tm.Commit, err)
}
}
// clearMergesHeard clears the open conditions of a repository's merges not heard that this catch-up did not find again: the
// gap was planned, or left the window.
func (f following) clearMergesHeard(ctx context.Context, repository string, still map[string]bool) {
if conditionsFrom == nil {
return
}
open, err := conditionsFrom.Open(ctx)
if err != nil {
fmt.Printf("catch-up: the open conditions cannot be read, so none is cleared now: %v\n", err)
return
}
for _, c := range open {
if c.Kind != kindMergeNotHeard || c.Subject.Scope != conditions.ScopeMerge ||
!strings.HasPrefix(c.Subject.ID, repository+"_") || still[c.Subject.ID] {
continue
}
if _, err := conditionsFrom.Clear(ctx, c.Key, "the merge is planned, or left the last merges of its trunk"); err != nil {
fmt.Printf("catch-up: the condition %s could not be cleared: %v\n", c.Key, err)
}
}
}
// catchUpAtStart catches up every trunk once the controller serves, and again every minute while a trunk was left for later.
func catchUpAtStart(ctx context.Context, open *stores) {
select {
case <-ctx.Done():
return
case <-time.After(30 * time.Second):
}
for try := 0; try < 20; try++ {
if !(following{open: open}).catchUp(ctx, nil) {
return
}
select {
case <-ctx.Done():
return
case <-time.After(time.Minute):
}
}
fmt.Println("catch-up: a trunk is still left for later after twenty tries; the next merge heard there does it")
}
@@ -1,352 +0,0 @@
//go:build integration
package main
import (
"context"
"errors"
"fmt"
"strings"
"testing"
"time"
"github.com/novox/mesh-controller/internal/conditions"
"github.com/novox/mesh-controller/internal/link"
)
// The checks of ADR 0457 (issue 1336): what the controller does about merges it did not hear.
// aTrunk is a forge's trunk as the catch-up reads it: its merges oldest first, the module each moves, and which of them the
// router holds an operator's Approve for.
type aTrunk struct {
merges []trunkMerge
module map[string]string
approved map[string]bool
read []string // the trunks asked of the forge, as owner/repo
events int // merges read in full from the forge
silent bool // the forge does not answer
}
func aTrunkOf(t *testing.T, repo string, modules ...string) *aTrunk {
t.Helper()
tr := &aTrunk{module: map[string]string{}, approved: map[string]bool{}}
for i, m := range modules {
c := fmt.Sprintf("%s-c%02d", repo, i+1)
tr.merges = append(tr.merges, trunkMerge{Commit: c, Head: fmt.Sprintf("%shead%02d", repo, i+1),
Subject: fmt.Sprintf("Merge pull request 'change %d' (#%d) from pr/%s into main", i+1, 100+i, c),
At: t0.Add(time.Duration(i) * time.Minute)})
tr.module[c] = m
tr.approved[c] = true
}
was, wasEvent, wasWarrant := trunkCommitsPage, readMergeEvent, findMergeWarrant
trunkCommitsPage = func(_ context.Context, owner, name, _ string, page int) ([]trunkCommit, error) {
tr.read = append(tr.read, owner+"/"+name)
if tr.silent {
return nil, errors.New("the forge did not answer")
}
if page > 1 || owner+"/"+name != "novox/"+repo {
return nil, nil
}
var newest []trunkCommit
for i := len(tr.merges) - 1; i >= 0; i-- {
m := tr.merges[i]
newest = append(newest, trunkCommit{Commit: m.Commit, SecondParent: m.Head, Subject: m.Subject, At: m.At})
}
return newest, nil
}
readMergeEvent = func(_ context.Context, owner, name, branch string, tm trunkMerge) (link.SourceMoved, error) {
tr.events++
m := catalogueMerge(tm.Commit, tr.module[tm.Commit], tm.At)
m.Owner, m.Repo, m.Base, m.HeadSHA = owner, name, branch, tm.Head
_, m.Number, _ = pullOfSubject(tm.Subject)
return m, nil
}
findMergeWarrant = func(_ context.Context, _ catalogueReader, _, _ string, number int, head string) (string, bool, string, error) {
for _, m := range tr.merges {
if strings.Contains(m.Subject, fmt.Sprintf("(#%d)", number)) && m.Head == head && tr.approved[m.Commit] {
return "the operator chose Approve (ask merge-" + fmt.Sprint(number) + ")", true, "", nil
}
}
return "", false, "the router holds no chosen merge ask for the pull request and head", nil
}
wasBeside := catchUpBeside
catchUpBeside = func(run func()) { run() }
t.Cleanup(func() {
trunkCommitsPage, readMergeEvent, findMergeWarrant, catchUpBeside = was, wasEvent, wasWarrant, wasBeside
settledMerges.Clear()
})
return tr
}
// aKeptMergeBefore is a merge the controller heard before the merges of a test: where its record begins, so what a trunk holds from
// then on can be a gap (novox/hq ADR 0463 §2).
func aKeptMergeBefore(t *testing.T, open *stores) {
t.Helper()
hear(t, open, catalogueMerge("mesh-catalog-seed", "app", t0.Add(-time.Hour)), t0.Add(-time.Hour))
}
func mergeKnown(t *testing.T, open *stores, commit string) bool {
t.Helper()
_, known, err := open.inventory.MergeOf(t.Context(), "novox/mesh-catalog", commit)
if err != nil {
t.Fatal(err)
}
return known
}
// Clause 1: the trunk holds merges 1, 2 and 3 and the controller holds records of 1 and 3 only; at its start it plans 2, said
// as caught up; a second start plans nothing new.
func TestAGapBeforeANewerHeardMergeIsPlannedAtTheControllersStart(t *testing.T) {
open := windowed(t)
everyHeadWaits(t)
asksRecorded(t)
tr := aTrunkOf(t, "mesh-catalog", "app", "notes", "app")
hear(t, open, catalogueMerge("mesh-catalog-c01", "app", t0), t0.Add(time.Second))
hear(t, open, catalogueMerge("mesh-catalog-c03", "app", t0.Add(2*time.Minute)), t0.Add(2*time.Minute+time.Second))
if mergeKnown(t, open, "mesh-catalog-c02") {
t.Fatal("the merge to be caught up is known before the catch-up")
}
if (following{open: open}).catchUp(t.Context(), nil) {
t.Fatal("the catch-up says a trunk was left for later")
}
if !mergeKnown(t, open, "mesh-catalog-c02") {
t.Fatal("the merge the controller did not hear was not planned")
}
kept, _, _ := open.inventory.MergeOf(t.Context(), "novox/mesh-catalog", "mesh-catalog-c02")
if said := announcedOf(kept).Title; !strings.Contains(said, "caught up: merged ") || !strings.Contains(said, "not heard, planned ") {
t.Fatalf("the merge does not say it was caught up: %q", said)
}
cutAt(t, open, t0.Add(10*time.Minute))
ws, _ := walks(t, open)
if len(ws) == 0 {
t.Fatal("no walk answers the caught-up merge")
}
if _, in := ws[0].Modules["notes"]; !in {
t.Fatalf("the walk does not build notes, which the caught-up merge moved: %v", ws[0].Modules)
}
before := tr.events
if (following{open: open}).catchUp(t.Context(), nil) || tr.events != before {
t.Fatalf("a second start read %d merge(s) in full again", tr.events-before)
}
}
// Clause 1: a heard merge of a repository whose trunk holds earlier merges the controller has no record of plans them all, the
// earlier first, and the forge is read for that repository's trunk only.
func TestAHeardMergeCatchesUpTheEarlierOnesOfItsOwnTrunkOnly(t *testing.T) {
open := windowed(t)
everyHeadWaits(t)
asksRecorded(t)
tr := aTrunkOf(t, "mesh-catalog", "app", "notes", "app")
var order []string
inner := readMergeEvent
readMergeEvent = func(ctx context.Context, owner, name, branch string, tm trunkMerge) (link.SourceMoved, error) {
order = append(order, tm.Commit)
return inner(ctx, owner, name, branch, tm)
}
t.Cleanup(func() { readMergeEvent = inner })
tr.read = nil
heard := catalogueMerge("mesh-catalog-c03", "app", t0.Add(2*time.Minute))
if err := (following{open: open}).SourceMoved(t.Context(), heard); err != nil {
t.Fatal(err)
}
for _, c := range []string{"mesh-catalog-c01", "mesh-catalog-c02", "mesh-catalog-c03"} {
if !mergeKnown(t, open, c) {
t.Fatalf("%s is not planned: the heard merge and the earlier ones of its trunk are all wanted", c)
}
}
if len(order) != 2 || order[0] != "mesh-catalog-c01" || order[1] != "mesh-catalog-c02" {
t.Fatalf("the earlier merges were heard in the order %v, not the trunk's", order)
}
if len(tr.read) == 0 {
t.Fatal("the forge was not read for the trunk of the merge heard")
}
for _, r := range tr.read {
if r != "novox/mesh-catalog" {
t.Fatalf("the forge was read for %s, not only for the trunk of the merge heard: %v", r, tr.read)
}
}
}
// Clause 1: a trunk of fifty-one merges whose oldest is unheard plans nothing: the oldest is outside the window.
func TestAMergeOlderThanTheLastFiftyIsNotRead(t *testing.T) {
open := windowed(t)
everyHeadWaits(t)
asksRecorded(t)
modules := make([]string, 51)
for i := range modules {
modules[i] = "app"
}
aTrunkOf(t, "mesh-catalog", modules...)
// Fifty are known; the oldest is not.
for i := 2; i <= 51; i++ {
c := fmt.Sprintf("mesh-catalog-c%02d", i)
hear(t, open, catalogueMerge(c, "app", t0.Add(time.Duration(i)*time.Minute)), t0.Add(time.Duration(i)*time.Minute+time.Second))
}
// Paged as the forge pages: fifty a page, and a trunk of another repository is empty (a short page, or none).
pages := trunkCommitsPage
trunkCommitsPage = func(ctx context.Context, owner, name, branch string, page int) ([]trunkCommit, error) {
all, err := pages(ctx, owner, name, branch, 1)
if err != nil || page < 1 || (page-1)*50 >= len(all) {
return nil, err
}
return all[(page-1)*50 : min(page*50, len(all))], nil
}
t.Cleanup(func() { trunkCommitsPage = pages })
(following{open: open}).catchUp(t.Context(), nil)
if mergeKnown(t, open, "mesh-catalog-c01") {
t.Fatal("the oldest of fifty-one merges was read and planned, outside the window")
}
}
// Clause 2: a gap with no chosen Approve in the router is not planned and raises one condition naming its repository and
// commit; a second start leaves that one condition open, observed twice; planning the gap clears it.
func TestAGapWithNoApproveRaisesOneConditionKeptOpenAndClearedWhenPlanned(t *testing.T) {
open := windowed(t)
everyHeadWaits(t)
asksRecorded(t)
aKeptMergeBefore(t, open)
keeper, _ := withConditionsInMemory(t)
tr := aTrunkOf(t, "mesh-catalog", "notes")
tr.approved["mesh-catalog-c01"] = false
catch := func() { (following{open: open}).catchUp(t.Context(), nil) }
catch()
if mergeKnown(t, open, "mesh-catalog-c01") {
t.Fatal("a merge with no Approve on record was planned")
}
raised := func() []conditions.Condition {
t.Helper()
all, err := keeper.Open(t.Context())
if err != nil {
t.Fatal(err)
}
var out []conditions.Condition
for _, c := range all {
if c.Kind == kindMergeNotHeard {
out = append(out, c)
}
}
return out
}
one := raised()
if len(one) != 1 || !strings.Contains(one[0].Subject.ID, "novox/mesh-catalog") || !strings.Contains(one[0].Subject.ID, "mesh-cata") {
t.Fatalf("the gap raised %+v, not one condition naming its repository and commit", one)
}
catch()
if again := raised(); len(again) != 1 || again[0].Observations < 2 {
t.Fatalf("a second catch-up left %+v: one condition, observed twice, was wanted", again)
}
tr.approved["mesh-catalog-c01"] = true
catch()
if !mergeKnown(t, open, "mesh-catalog-c01") {
t.Fatal("the gap was not planned once its Approve was on record")
}
if left := raised(); len(left) != 0 {
t.Fatalf("planning the gap left its condition open: %+v", left)
}
}
// Clause 3: a forge that does not answer leaves the catch-up undone and says so, and the next start does it.
func TestAForgeThatDoesNotAnswerLeavesTheCatchUpForTheNextStart(t *testing.T) {
open := windowed(t)
everyHeadWaits(t)
asksRecorded(t)
aKeptMergeBefore(t, open)
tr := aTrunkOf(t, "mesh-catalog", "notes")
tr.silent = true
if later := (following{open: open}).catchUp(t.Context(), nil); !later {
t.Fatal("a forge that did not answer counted as nothing to catch up")
}
if mergeKnown(t, open, "mesh-catalog-c01") {
t.Fatal("a merge was planned without the forge's word")
}
tr.silent = false
if later := (following{open: open}).catchUp(t.Context(), nil); later || !mergeKnown(t, open, "mesh-catalog-c01") {
t.Fatalf("the next start did not catch up (left for later: %v)", later)
}
}
// Finding 2 of the review: a gap that adds a module is a gap, judged as hearMerge judges it. With the operator's Approve on record it
// is heard (hearMerge asks the new module in its walk); without, it raises the condition and is not lost in silence.
func TestAGapThatAddsAModuleIsHeardOnItsWarrantAndRaisedWithout(t *testing.T) {
open := windowed(t)
everyHeadWaits(t)
asksRecorded(t)
aKeptMergeBefore(t, open)
keeper, _ := withConditionsInMemory(t)
tr := aTrunkOf(t, "mesh-catalog", "newmodule")
tr.approved["mesh-catalog-c01"] = false
catch := func() { (following{open: open}).catchUp(t.Context(), nil) }
catch()
if mergeKnown(t, open, "mesh-catalog-c01") {
t.Fatal("a merge adding a module was heard with no Approve on record")
}
all, err := keeper.Open(t.Context())
if err != nil {
t.Fatal(err)
}
var raised int
for _, c := range all {
if c.Kind == kindMergeNotHeard {
raised++
}
}
if raised != 1 {
t.Fatalf("a merge adding a module with no Approve raised %d condition(s), not one: it was lost in silence", raised)
}
tr.approved["mesh-catalog-c01"] = true
catch()
if !mergeKnown(t, open, "mesh-catalog-c01") {
t.Fatal("a merge adding a module was not heard once its Approve was on record")
}
}
// A trunk with merges from before the controller began keeping merges, and merges since: only the later ones are gaps.
func TestAMergeFromBeforeTheRecordBeganIsHistoryAndNoCondition(t *testing.T) {
open := windowed(t)
everyHeadWaits(t)
asksRecorded(t)
keeper, _ := withConditionsInMemory(t)
tr := aTrunkOf(t, "mesh-catalog", "notes", "notes", "notes")
tr.approved["mesh-catalog-c01"], tr.approved["mesh-catalog-c02"], tr.approved["mesh-catalog-c03"] = false, false, false
// The record begins at the second merge: the first is two days older.
tr.merges[0].At = t0.Add(-48 * time.Hour)
hear(t, open, catalogueMerge("mesh-catalog-c02", "notes", t0.Add(time.Minute)), t0.Add(time.Minute))
delete(tr.approved, "mesh-catalog-c02")
(following{open: open}).catchUp(t.Context(), nil)
// The first merge (two days before the record) was not even read from the forge: only the third, which is unknown, was.
if tr.events != 1 {
t.Fatalf("%d merge(s) were read from the forge: the one from before the record is history and is not read", tr.events)
}
all, err := keeper.Open(t.Context())
if err != nil {
t.Fatal(err)
}
var raised int
for _, c := range all {
if c.Kind == kindMergeNotHeard {
raised++
}
}
if raised != 1 {
t.Fatalf("%d condition(s) raised: only the merge since the record began (the third) is a gap", raised)
}
}
// novox/hq ADR 0463 §2: the record begins at the earliest merge kept on ANY trunk. A trunk the controller kept no merge of has the
// merges made since as gaps (mesh-delivery #1 on novox), and the merges made before as history.
func TestATrunkWithNoKeptMergeHasItsLaterMergesAsGapsAndItsEarlierOnesAsHistory(t *testing.T) {
open := windowed(t)
everyHeadWaits(t)
asksRecorded(t)
// The record begins on another trunk, at t0 less an hour.
hear(t, open, repoMerge("one", "c-one", t0.Add(-time.Hour)), t0.Add(-time.Hour))
tr := aTrunkOf(t, "mesh-catalog", "notes", "notes")
tr.merges[0].At = t0.Add(-72 * time.Hour) // before the record: history
(following{open: open}).catchUp(t.Context(), nil)
if mergeKnown(t, open, "mesh-catalog-c01") {
t.Fatal("a merge from before the record began was heard")
}
if !mergeKnown(t, open, "mesh-catalog-c02") {
t.Fatal("a merge since the record began, on a trunk with no merge kept, was not caught up")
}
}
-346
View File
@@ -1,346 +0,0 @@
package main
import (
"context"
"errors"
"fmt"
"strings"
"testing"
"time"
"git.novox.be/novox/mesh-sdk/go/asks"
sdkdelivery "git.novox.be/novox/mesh-sdk/go/delivery"
"github.com/novox/mesh-controller/internal/conditions"
"github.com/novox/mesh-controller/internal/link"
)
// The pieces of the catch-up that need no store (novox/hq ADR 0457, issue 1336).
func TestAMergeCommitsSubjectNamesItsPullRequest(t *testing.T) {
title, number, ok := pullOfSubject("Merge pull request 'Fix keycloak's sign-in (issue 1332)' (#378) from fix/1332-sign-in into main")
if !ok || number != 378 || title != "Fix keycloak's sign-in (issue 1332)" {
t.Fatalf("read %q %d %v", title, number, ok)
}
if b := headBranchOfSubject("Merge pull request 'x' (#378) from fix/1332-sign-in into main"); b != "fix/1332-sign-in" {
t.Fatalf("the head branch read as %q", b)
}
if _, _, ok := pullOfSubject("Merge branch 'main' of somewhere"); ok {
t.Fatal("a merge that names no pull request read as one")
}
}
func TestOnlyTheLastFiftyMergesOfATrunkAreRead(t *testing.T) {
pages := map[int][]trunkCommit{}
var all []trunkCommit // newest first: 51 merges, a plain commit between each pair
for i := 51; i >= 1; i-- {
all = append(all, trunkCommit{Commit: fmt.Sprintf("merge-%02d", i), SecondParent: fmt.Sprintf("head-%02d", i),
Subject: fmt.Sprintf("Merge pull request 'change %d' (#%d) from fix/x into main", i, i)},
trunkCommit{Commit: fmt.Sprintf("plain-%02d", i)})
}
for i := 0; i < len(all); i += 50 {
pages[i/50+1] = all[i:min(i+50, len(all))]
}
was := trunkCommitsPage
trunkCommitsPage = func(_ context.Context, _, _, _ string, page int) ([]trunkCommit, error) { return pages[page], nil }
t.Cleanup(func() { trunkCommitsPage = was })
got, err := readTrunkMerges(t.Context(), "novox", "mesh-catalog", "main")
if err != nil {
t.Fatal(err)
}
if len(got) != catchUpWindow || got[0].Commit != "merge-02" || got[len(got)-1].Commit != "merge-51" {
t.Fatalf("read %d merges from %s to %s: the oldest of 51 is outside the window", len(got), got[0].Commit, got[len(got)-1].Commit)
}
if got[0].Head != "head-02" {
t.Fatalf("a merge's head is its second parent, not %q", got[0].Head)
}
}
func TestAForgeThatDoesNotAnswerIsAnErrorNotAnEmptyTrunk(t *testing.T) {
was := trunkCommitsPage
trunkCommitsPage = func(context.Context, string, string, string, int) ([]trunkCommit, error) {
return nil, errors.New("the forge did not answer")
}
t.Cleanup(func() { trunkCommitsPage = was })
if got, err := readTrunkMerges(t.Context(), "novox", "mesh-catalog", "main"); err == nil {
t.Fatalf("a forge that did not answer read as %d merges: nothing to catch up", len(got))
}
}
func TestACaughtUpMergeIsAcceptedOnTheSameWarrantAsAnAnnouncedOne(t *testing.T) {
ok := approvedMerge(t)
for _, asker := range []string{sdkdelivery.TellerModule, theDelivery} {
w := ok.warrant
w.Asker = asker
if _, err := caughtUpWarrant(asker, &ok.ask, &w); err != nil {
t.Errorf("the operator's Approve under %s was refused: %v", asker, err)
}
}
if _, err := caughtUpWarrant("keycloak", &ok.ask, &ok.warrant); err == nil {
t.Error("a warrant of an asker the controller takes none from was accepted")
}
declined := ok.warrant
declined.Option, declined.Label = "decline", "Decline"
if _, err := caughtUpWarrant(theDelivery, &ok.ask, &declined); err == nil {
t.Error("a Decline was accepted as a warrant")
}
unproved := ok.warrant
by := *unproved.By
by.Verified = ""
unproved.By = &by
if _, err := caughtUpWarrant(theDelivery, &ok.ask, &unproved); err == nil {
t.Error("an answer whose channel proves nobody was accepted")
}
if _, err := caughtUpWarrant(theDelivery, nil, nil); err == nil {
t.Error("a router that holds nothing was accepted")
}
}
// aTellersAsk is the ask the delivery gate composes for a pull request, as the router holds it once the operator chose Approve
// (the gate's composeMergeAsk: its id from sdkdelivery.AskingID of the group and the heads, its Approve bound to mergeAct over the
// heads, the pull request and its head's first twelve digits in the details), with the warrant the router wrote.
func aTellersAsk(t *testing.T, group string, members ...sdkdelivery.Head) (asks.Ask, asks.Warrant) {
t.Helper()
key, err := sdkdelivery.MergeAskKey(group, members)
if err != nil {
t.Fatal(err)
}
id := sdkdelivery.AskingID(key, 1)
heads := map[string]string{}
var details []string
for _, m := range members {
owner, repo, _ := strings.Cut(m.Repository, "/")
heads[deliveryIDOf(owner, repo, m.Head)] = m.Head
details = append(details, fmt.Sprintf("%s#%d %q at %s: issues: none named; review: approved; reaches: no delivery plan yet", repo, m.Number, "title", m.Head[:12]))
}
bind := func(option string) string {
d, err := asks.ActDigest(mergeAct(id, option, heads))
if err != nil {
t.Fatal(err)
}
return d
}
at := time.Date(2026, 10, 20, 12, 2, 1, 0, time.UTC)
ask := asks.Ask{ID: id, Headline: "Merge into main", Explanation: "passed its checks.", Who: asks.Operator, Expires: at.Add(24 * time.Hour),
OnExpiry: "nothing is merged; the ask is made again", Details: strings.Join(details, "\n"),
Options: []asks.Option{
{ID: optionApprove, Label: "Approve", Does: "merges", Level: asks.Approve, Binds: bind(optionApprove)},
{ID: "decline", Label: "Decline", Does: "nothing is merged", Level: asks.Approve, Binds: bind("decline")}}}
w := asks.Warrant{Ask: id, Asker: sdkdelivery.TellerModule, Outcome: asks.OutcomeChosen, Option: optionApprove, Label: "Approve",
Level: asks.Approve, By: &asks.Person{Who: asks.Operator, Kind: "telegram", Identity: "1", Verified: "user id"},
At: at.Add(time.Minute), AskDigest: ask.Digest()}
return ask, w
}
// withRouter hands findMergeWarrant these asks as the router's records, by asker.
func withRouter(t *testing.T, records map[string]map[string]struct {
ask asks.Ask
w asks.Warrant
}) {
t.Helper()
wasIDs, wasAsk := routerAskIDs, routerAskOf
closedRecords.Range(func(k, _ any) bool { closedRecords.Delete(k); return true })
routerAskIDs = func(_ context.Context, _ catalogueReader, asker string) ([]string, error) {
var ids []string
for id := range records[asker] {
ids = append(ids, id)
}
return ids, nil
}
routerAskOf = func(_ context.Context, _ catalogueReader, asker, id string) (*asks.Ask, *asks.Warrant, error) {
r, ok := records[asker][id]
if !ok {
return nil, nil, nil
}
return &r.ask, &r.w, nil
}
t.Cleanup(func() {
routerAskIDs, routerAskOf = wasIDs, wasAsk
closedRecords.Range(func(k, _ any) bool { closedRecords.Delete(k); return true })
})
}
type aRouterRecord = struct {
ask asks.Ask
w asks.Warrant
}
// The teller's asks, as the router held them on 2026-10-20: the id is the router's own key, rebuilt here from the group and the
// head the gate composed it for (mesh-controller#405 at 8a330afd, mesh-catalog#381 at 1c702422, mesh-host#124 at 52600ec7). It names
// neither the pull request nor the head, so the warrant is found by the heads the Approve is bound to.
func TestATellersWarrantIsFoundByTheHeadItsApproveIsBoundTo(t *testing.T) {
real := []struct {
group, key, owner, repo string
number int
head string
}{
{"feat/r4b-sdk-users", "merge-feat_r4b_sdk_users-ba59b03220f8-989afe0a3bcf", "novox", "mesh-controller", 405, "8a330afd44ba852873339cf1210e90989dca46e1"},
{"fix/1351-remove-todays-delivery-module", "merge-fix_1351_remove_todays_delivery_module-64a353-d93b97b9697b", "novox", "mesh-catalog", 381, "1c7024224dd77c5b603299378883e0993b2e2fdd"},
{"feat/r4b-sdk-users", "merge-feat_r4b_sdk_users-6a59ba48da14-424e053ebc9c", "novox", "mesh-host", 124, "52600ec7bd61ee271a5cc7f4136bcf0a2a8f00fc"},
}
teller := map[string]aRouterRecord{}
for _, r := range real {
ask, w := aTellersAsk(t, r.group, sdkdelivery.Head{Repository: r.owner + "/" + r.repo, Number: r.number, Head: r.head})
if ask.ID != r.key {
t.Fatalf("the id of %s#%d is %q, and the router held it as %q: the fixture is not the router's", r.repo, r.number, ask.ID, r.key)
}
teller[ask.ID] = aRouterRecord{ask, w}
}
withRouter(t, map[string]map[string]aRouterRecord{sdkdelivery.TellerModule: teller})
for _, r := range real {
why, found, reason, err := findMergeWarrant(t.Context(), nil, r.owner, r.repo, r.number, r.head)
if err != nil || !found || !strings.Contains(why, r.key) || !strings.Contains(why, "bound to the head of this pull request") {
t.Errorf("%s#%d: the warrant was not found: %q %v %q %v", r.repo, r.number, why, found, reason, err)
}
// Another head of the same pull request is another merge: the Approve was not given for it.
if _, found, _, _ := findMergeWarrant(t.Context(), nil, r.owner, r.repo, r.number, "ffffffffffffffffffffffffffffffffffffffff"); found {
t.Errorf("%s#%d: another head found the warrant of this one", r.repo, r.number)
}
}
// One pull request's Approve is none for another repository's merge at the same head digits.
if _, found, _, _ := findMergeWarrant(t.Context(), nil, "novox", "mesh-tools", 405, real[0].head); found {
t.Error("a merge of another repository found mesh-controller#405's warrant")
}
}
// A group's ask binds several heads, and the router's record carries only twelve digits of the other members': the pull request is
// found in the ask as it was published, which the warrant's digest covers.
func TestAGroupsWarrantIsFoundByTheAsksWordsForThePullRequestAndItsHead(t *testing.T) {
a := sdkdelivery.Head{Repository: "novox/mesh-host", Number: 124, Head: "52600ec7bd61ee271a5cc7f4136bcf0a2a8f00fc"}
b := sdkdelivery.Head{Repository: "novox/mesh-controller", Number: 405, Head: "8a330afd44ba852873339cf1210e90989dca46e1"}
ask, w := aTellersAsk(t, "feat/r4b-sdk-users", a, b)
withRouter(t, map[string]map[string]aRouterRecord{sdkdelivery.TellerModule: {ask.ID: {ask, w}}})
for _, h := range []sdkdelivery.Head{a, b} {
owner, repo, _ := strings.Cut(h.Repository, "/")
why, found, reason, err := findMergeWarrant(t.Context(), nil, owner, repo, h.Number, h.Head)
if err != nil || !found || !strings.Contains(why, "a group's ask naming this pull request at this head") {
t.Errorf("%s#%d: not found in the group's ask: %q %v %q %v", repo, h.Number, why, found, reason, err)
}
}
if _, found, _, _ := findMergeWarrant(t.Context(), nil, "novox", "mesh-catalog", 381, a.Head); found {
t.Error("a pull request the group's ask does not name found its warrant")
}
// A Decline is no warrant.
declined := w
declined.Option, declined.Label = "decline", "Decline"
withRouter(t, map[string]map[string]aRouterRecord{sdkdelivery.TellerModule: {ask.ID: {ask, declined}}})
if _, found, _, _ := findMergeWarrant(t.Context(), nil, "novox", "mesh-host", 124, a.Head); found {
t.Error("a Decline found a warrant")
}
}
// Keycloak's merge was asked as mesh-delivery.merge-378-b9104454f9a5-1, before release 3e: the id names the pull request and
// the first twelve digits of its head, and the warrant is found by them under mesh-delivery.
func TestAWarrantAskedUnderMeshDeliveryIsFoundByThePullRequestAndItsHead(t *testing.T) {
ok := approvedMerge(t)
head := "b9104454f9a5e0c4d3b2a1f0e9d8c7b6a5948372"
askID := "merge-378-b9104454f9a5-1"
ask, w := ok.ask, ok.warrant
ask.ID, w.Ask, w.Asker = askID, askID, theDelivery
w.AskDigest = ask.Digest()
withRouter(t, map[string]map[string]aRouterRecord{theDelivery: {
"merge-377-aaaaaaaaaaaa-1": {},
askID: {ask, w},
}})
why, found, reason, err := findMergeWarrant(t.Context(), nil, "novox", "mesh-catalog", 378, head)
if err != nil || !found || !strings.Contains(why, askID) {
t.Fatalf("the warrant was not found: %q %v %q %v", why, found, reason, err)
}
// Another head names another ask, and none is found.
if _, found, _, _ := findMergeWarrant(t.Context(), nil, "novox", "mesh-catalog", 378, "ffffffffffff0000"); found {
t.Fatal("another head found a warrant")
}
// A router that cannot be read is an error, never "no warrant".
routerAskIDs = func(context.Context, catalogueReader, string) ([]string, error) { return nil, errors.New("no answer") }
if _, found, _, err := findMergeWarrant(t.Context(), nil, "novox", "mesh-catalog", 378, head); found || err == nil {
t.Fatalf("an unreadable router read as no warrant: %v %v", found, err)
}
}
// A trunk shorter than a page, or with none, is read without a fault: the pages end when the forge's do.
func TestAShortTrunkIsReadWholeAndAnEmptyOneIsNoMerges(t *testing.T) {
was := trunkCommitsPage
t.Cleanup(func() { trunkCommitsPage = was })
trunkCommitsPage = func(_ context.Context, _, _, _ string, page int) ([]trunkCommit, error) {
if page > 1 {
return nil, nil
}
return []trunkCommit{{Commit: "m2", SecondParent: "h2", Subject: "Merge pull request 'two' (#2) from fix/b into main"},
{Commit: "p"}, {Commit: "m1", SecondParent: "h1", Subject: "Merge pull request 'one' (#1) from fix/a into main"}}, nil
}
got, err := readTrunkMerges(t.Context(), "novox", "x", "main")
if err != nil || len(got) != 2 || got[0].Commit != "m1" || got[1].Commit != "m2" {
t.Fatalf("a short trunk read as %+v %v", got, err)
}
trunkCommitsPage = func(context.Context, string, string, string, int) ([]trunkCommit, error) { return nil, nil }
if got, err := readTrunkMerges(t.Context(), "novox", "x", "main"); err != nil || len(got) != 0 {
t.Fatalf("an empty trunk read as %+v %v", got, err)
}
}
// ADR 0253: what the operator reads of a merge not heard is plain: no hash, no identifier, nothing to do "by hand".
func TestTheConditionOfAMergeNotHeardIsInPlainWords(t *testing.T) {
keeper, _ := withConditionsInMemory(t)
tm := trunkMerge{Commit: "c0880c4d1f2e3a4b5c6d7e8f9a0b1c2d3e4f5a6b", Head: "b9104454f9a5e0c4d3b2a1f0e9d8c7b6a5948372"}
(following{}).raiseMergeNotHeard(t.Context(), "novox/mesh-catalog", "main", tm, link.SourceMoved{Number: 378},
"the router holds no chosen merge ask of mesh-delivery-teller or mesh-delivery that covers the head b9104454f9a5")
open, err := keeper.Open(t.Context())
if err != nil || len(open) != 1 {
t.Fatalf("opened %d conditions, %v", len(open), err)
}
c := open[0]
if why, ok := conditions.PlainWords(conditions.Words{Headline: c.Headline, Explanation: c.Explanation, Needs: c.Needs,
Resolved: c.Resolved}); !ok {
t.Fatalf("the condition's words are not plain: %s\n%q\n%q\n%q", why, c.Headline, c.Explanation, c.Needs)
}
}
// The trunk's history lists the merges made inside a pull request's branch too. On novox (2026-10-20) 15 of the 15 non-pull-request
// "gaps" of mesh-catalog and mesh-controller were such merges; only a pull request's merge into this trunk is a merge to catch up.
func TestAMergeMadeInsideABranchIsNoMergeOfTheTrunk(t *testing.T) {
was := trunkCommitsPage
t.Cleanup(func() { trunkCommitsPage = was })
trunkCommitsPage = func(_ context.Context, _, _, _ string, page int) ([]trunkCommit, error) {
if page > 1 {
return nil, nil
}
return []trunkCommit{
{Commit: "c0880c4d", SecondParent: "b9104454", Subject: "Merge pull request 'Read the grant file' (#378) from fix/1332 into main"},
{Commit: "6394a62a", SecondParent: "x1", Subject: "Merge remote-tracking branch 'origin/main' into fix/1081-withdraw"},
{Commit: "896f1d28", SecondParent: "x2", Subject: "Merge feat/agents-write-git-ssh into feat/agents-write-git-ssh-f (issue 955 F)"},
{Commit: "4d03755c", SecondParent: "x3", Subject: "Bring the branch up to main after #354 (issue 1047)"},
{Commit: "other", SecondParent: "x4", Subject: "Merge pull request 'Elsewhere' (#5) from fix/y into nox-mesh"},
}, nil
}
got, err := readTrunkMerges(t.Context(), "novox", "mesh-catalog", "main")
if err != nil || len(got) != 1 || got[0].Commit != "c0880c4d" {
t.Fatalf("read %+v %v: only keycloak's pull request merge into main is a merge to catch up", got, err)
}
}
// novox/hq ADR 0463 §2: the record of merges begins at the earliest merge the controller holds on any trunk. A merge before it is
// history on every trunk; a trunk with no merge kept of its own still has the merges made since as gaps (mesh-delivery #1 on novox).
func TestOnlyTheMergesSinceTheRecordBeganAreGapsOnEveryTrunk(t *testing.T) {
first := time.Date(2026, 10, 17, 12, 0, 0, 0, time.UTC) // the first merge it heard, on some trunk of the mesh
trunk := func(prefix string) []trunkMerge {
return []trunkMerge{
{Commit: prefix + "-old-1", At: first.Add(-30 * 24 * time.Hour)},
{Commit: prefix + "-old-2", At: first.Add(-2 * time.Hour)},
{Commit: prefix + "-within-grace", At: first.Add(-mergeGrace / 2)},
{Commit: prefix + "-since", At: first.Add(24 * time.Hour)},
}
}
// Two trunks, one of which the controller has kept no merge of: both read by the one starting point.
for _, prefix := range []string{"kept-trunk", "trunk-with-no-kept-merge"} {
var commits []string
for _, m := range sinceTheRecord(trunk(prefix), true, first) {
commits = append(commits, m.Commit)
}
if want := prefix + "-within-grace " + prefix + "-since"; strings.Join(commits, " ") != want {
t.Errorf("%s: the gaps are %v, want %q: earlier ones are history on every trunk, later ones are gaps", prefix, commits, want)
}
}
if none := sinceTheRecord(trunk("x"), false, time.Time{}); len(none) != 0 {
t.Errorf("with no merge kept anywhere there are %d gap(s), but no record to have one in", len(none))
}
}
@@ -10,7 +10,7 @@ import (
"testing"
"time"
"git.novox.be/novox/mesh-sdk/go/catalogue"
"github.com/novox/mesh-controller/internal/catalogue"
"github.com/novox/mesh-controller/internal/chain"
"github.com/novox/mesh-controller/internal/inventory"
"github.com/novox/mesh-controller/internal/lease"
+1 -1
View File
@@ -7,7 +7,7 @@ import (
"sort"
"strings"
"git.novox.be/novox/mesh-sdk/go/catalogue"
"github.com/novox/mesh-controller/internal/catalogue"
"github.com/novox/mesh-controller/internal/inventory"
"github.com/novox/mesh-controller/internal/link"
)
+1 -1
View File
@@ -4,7 +4,7 @@ import (
"strings"
"testing"
"git.novox.be/novox/mesh-sdk/go/catalogue"
"github.com/novox/mesh-controller/internal/catalogue"
"github.com/novox/mesh-controller/internal/inventory"
"github.com/novox/mesh-controller/internal/link"
)
+1 -1
View File
@@ -10,7 +10,7 @@ import (
"strings"
"time"
"git.novox.be/novox/mesh-sdk/go/catalogue"
"github.com/novox/mesh-controller/internal/catalogue"
"github.com/novox/mesh-controller/internal/link"
)
@@ -9,7 +9,7 @@ import (
"testing"
"time"
"git.novox.be/novox/mesh-sdk/go/catalogue"
"github.com/novox/mesh-controller/internal/catalogue"
"github.com/novox/mesh-controller/internal/inventory"
"github.com/novox/mesh-controller/internal/link"
)
+1 -1
View File
@@ -7,8 +7,8 @@ import (
"strings"
"testing"
"git.novox.be/novox/mesh-sdk/go/catalogue"
"github.com/novox/mesh-controller/internal/builder"
"github.com/novox/mesh-controller/internal/catalogue"
"github.com/novox/mesh-controller/internal/inventory"
"github.com/novox/mesh-controller/internal/link"
)
+1 -1
View File
@@ -11,8 +11,8 @@ import (
"strings"
"time"
"git.novox.be/novox/mesh-sdk/go/catalogue"
"github.com/novox/mesh-controller/internal/builder"
"github.com/novox/mesh-controller/internal/catalogue"
"github.com/novox/mesh-controller/internal/link"
)
+1 -1
View File
@@ -7,7 +7,7 @@ import (
"strings"
"testing"
"git.novox.be/novox/mesh-sdk/go/catalogue"
"github.com/novox/mesh-controller/internal/catalogue"
"github.com/novox/mesh-controller/internal/inventory"
"github.com/novox/mesh-controller/internal/link"
)
+1 -1
View File
@@ -8,8 +8,8 @@ import (
"testing"
"git.novox.be/novox/mesh-sdk/go/catalogue"
"github.com/novox/mesh-controller/internal/beside"
"github.com/novox/mesh-controller/internal/catalogue"
)
// The check anybody can run is the check registration runs (novox/hq issue 148, ADR 0037): a manifest
+7 -3
View File
@@ -14,8 +14,8 @@ import (
"strings"
"time"
"git.novox.be/novox/mesh-sdk/go/catalogue"
"github.com/novox/mesh-controller/internal/broker"
"github.com/novox/mesh-controller/internal/catalogue"
"github.com/novox/mesh-controller/internal/inventory"
"github.com/novox/mesh-controller/internal/link"
)
@@ -75,7 +75,7 @@ type checkScope struct {
// Mesh says the repository is the mesh's: modules are built from it on some branch, its owner is the
// core's, or the change adds a module to it.
Mesh bool
// Judge is who judges the gate (link.JudgeSelf, or the running controller).
// Judge is who judges the gate (link.JudgeSelf, link.JudgeValidator, or the running controller).
Judge string
// From is a module built from the repository, for how the mesh clones it; nil when none is.
From *inventory.Entry
@@ -101,6 +101,10 @@ func pullScope(p link.PullUpdated, entries []inventory.Entry, read map[string][]
switch e.Manifest.Module {
case "mesh-controller":
s.Judge = link.JudgeSelf
case "mesh-host":
if s.Judge == "" {
s.Judge = link.JudgeValidator
}
}
}
for _, d := range r.Added {
@@ -277,7 +281,7 @@ func checkRequestFor(ctx context.Context, open *stores, p link.PullUpdated, scop
for _, e := range entries {
shelf[e.Manifest.Module] = e.Manifest
}
world, err := restOfTheMesh(ctx, open, shelf, "")
world, err := theRestOfTheMesh(ctx, open.inventory, shelf, "")
if err != nil {
return link.BuildRequest{}, err
}
+1 -1
View File
@@ -10,8 +10,8 @@ import (
"github.com/nats-io/nats.go"
"git.novox.be/novox/mesh-sdk/go/catalogue"
"github.com/novox/mesh-controller/internal/broker"
"github.com/novox/mesh-controller/internal/catalogue"
"github.com/novox/mesh-controller/internal/inventory"
"github.com/novox/mesh-controller/internal/link"
)
+2 -2
View File
@@ -53,8 +53,8 @@ func TestThePullRequestIsMappedOntoTheModuleGraph(t *testing.T) {
"", "modules/newmod", "modules/newmod/module.json", true, ""},
{"the controller judges itself", pull("novox", "mesh-controller", "main", []string{"cmd/x.go"}),
"mesh-controller", "", "module.json", true, "self"},
{"the node-engine is judged by the controller the mesh runs, as any module is (issue 1391)",
pull("novox", "mesh-host", "main", []string{"validate/v.go"}), "mesh-host", "", "module.json", true, ""},
{"the node-engine is judged with its validator", pull("novox", "mesh-host", "main", []string{"validate/v.go"}),
"mesh-host", "", "module.json", true, "validator"},
{"the core's owner, no module: the mesh's, its own check alone", pull("novox", "hq", "main", []string{"README.md"}),
"", "", "", true, ""},
{"a branch nothing is built from: the mesh's repository, no module", pull("novox", "photos", "master",
@@ -1,59 +0,0 @@
package main
import (
"go/ast"
"go/parser"
"go/token"
"path/filepath"
"sort"
"strings"
"testing"
)
// 1389: the controller's own composition is gone. No function of the package is named for it any more, and no function
// calls one by that name: a name reappearing is a second copy of what mesh-sdk's go/compose holds (novox/hq ADR 0453).
func TestTheControllersOwnCompositionIsGone(t *testing.T) {
gone := map[string]bool{"planFor": true, "declarationWith": true, "composedAndValidated": true, "generators": true,
"renderingFor": true, "theRestOfTheMesh": true, "whoResolves": true, "grantsFor": true, "namesInTheMesh": true,
"onThePrivateNetwork": true, "passSeatsOn": true, "theMeshPassesSeatsOn": true, "assignmentsOf": true,
"licencesFor": true, "seatsOn": true, "composeBusUsers": true, "adoptionFor": true, "localNetworksOf": true}
files, err := filepath.Glob("*.go")
if err != nil {
t.Fatal(err)
}
fset := token.NewFileSet()
var found []string
for _, f := range files {
if strings.HasSuffix(f, "_test.go") {
continue
}
file, err := parser.ParseFile(fset, f, nil, 0)
if err != nil {
t.Fatal(err)
}
for _, d := range file.Decls {
fn, ok := d.(*ast.FuncDecl)
if !ok {
continue
}
if gone[fn.Name.Name] {
found = append(found, f+": "+fn.Name.Name+" is declared")
}
if fn.Body == nil {
continue
}
ast.Inspect(fn.Body, func(n ast.Node) bool {
if c, ok := n.(*ast.CallExpr); ok {
if id, ok := c.Fun.(*ast.Ident); ok && gone[id.Name] {
found = append(found, f+": "+fn.Name.Name+" calls "+id.Name)
}
}
return true
})
}
}
sort.Strings(found)
for _, one := range found {
t.Errorf("%s: the controller's own composition is back; compose through mesh-sdk (compose_sdk.go)", one)
}
}
@@ -1,114 +0,0 @@
package main
import (
"encoding/base64"
"errors"
"strings"
"testing"
"git.novox.be/novox/mesh-sdk/go/catalogue"
"git.novox.be/novox/mesh-sdk/go/compose"
"github.com/novox/mesh-controller/internal/broker"
)
// aCoreInput is an Input of one machine that takes a core module whose credential the vault has not boxed: the composition
// stands in a vault box for it, and the machine holds the controller's own seal of it.
func aCoreInput(t *testing.T) (*meshInput, string) {
t.Helper()
raw := make([]byte, 32)
raw[0] = 9
key := base64.StdEncoding.EncodeToString(raw)
client := catalogue.Manifest{Module: "mesh-provisioner-client", Version: "1",
Claims: []catalogue.Claim{{Name: broker.NodeProvisionerSeat, Scope: catalogue.ScopeNode}},
OwnSecrets: catalogue.OwnSecrets{broker.ProvisionerSecret: {Path: "/var/lib/mesh-provisioner-client/broker"}}}
return &meshInput{Input: compose.Input{
Catalogue: map[string]catalogue.Manifest{client.Module: client},
Nodes: []compose.Node{{Name: "laptop", Assigned: []string{client.Module}, SealingKey: key, Stated: true,
Contract: compose.VaultBoxContract}},
OwnSecrets: []compose.OwnSecretRow{{Node: "laptop", Module: client.Module, Name: broker.ProvisionerSecret,
Origin: "made", SealedTo: key, Sealed: "SEALED-BY-THE-CONTROLLER"}},
}}, client.Module
}
// 1385 (the lead's answer 1): where the vault is silent and no box is kept, the declaration carries the controller's own seal
// for the core credential, as ADR 0396 has it, and stands in for nothing. It failed first: the composition's declaration
// carried the stand-in box, and a send was refused.
func TestACoreCredentialTheVaultDidNotBoxIsSealedByTheController(t *testing.T) {
in, module := aCoreInput(t)
d, _, err := compose.ComposeIn(in.Input, "laptop", compose.Foreseeing)
if err != nil {
t.Fatal(err)
}
if len(d.CoreBoxesWanted) != 1 || len(stillForeseen(d)) == 0 {
t.Fatalf("the composition does not stand in for the vault's box: %v", d.CoreBoxesWanted)
}
sealed, _, err := sealedByTheController(in, "laptop", d, []string{module})
if err != nil {
t.Fatal(err)
}
if left := stillForeseen(sealed); len(left) != 0 {
t.Fatalf("the declaration still stands in for %v", left)
}
var file map[string]any
for _, r := range sealed.Resources {
if r["id"] == module+"."+catalogue.NeedID(broker.ProvisionerSecret) {
file = r
}
}
if file == nil || file["sealed"] != "SEALED-BY-THE-CONTROLLER" || file[catalogue.VaultSealedField] != nil {
t.Fatalf("the core credential is carried as %v: the controller's own seal, not the vault's box", file)
}
// And a module the vault did answer for is left as it is.
other, _, err := sealedByTheController(in, "laptop", d, []string{"another-module"})
if err != nil {
t.Fatal(err)
}
if len(stillForeseen(other)) == 0 {
t.Fatal("a module the vault answered for was sealed by the controller")
}
}
// 1383 (the lead's answer 4): the machine that runs the bus is refused where no user has a credential, with busUserList's
// words, and a machine that does not run the bus is not. It failed first: the Input stood a list in and the bus node composed.
func TestTheMachineThatRunsTheBusIsRefusedWhereNoUserHasACredential(t *testing.T) {
bus := catalogue.Manifest{Module: "nats", Version: "1", BusUsers: "/etc/nats/users.conf",
Claims: []catalogue.Claim{{Name: "mesh-broker", Scope: catalogue.ScopeMesh}}}
other := catalogue.Manifest{Module: "files", Version: "1"}
why := errors.New("this machine runs the bus and not one user has a credential, so the composed list would refuse every connection in the mesh")
in := &meshInput{busRefused: why, Input: compose.Input{
Catalogue: map[string]catalogue.Manifest{"nats": bus, "files": other},
Nodes: []compose.Node{{Name: "anchor", Assigned: []string{"nats"}}, {Name: "laptop", Assigned: []string{"files"}}},
}}
if err := refusedBus(in, "anchor"); err == nil || !strings.Contains(err.Error(), "not one user has a credential") {
t.Fatalf("the machine that runs the bus is not refused: %v", err)
}
if err := refusedBus(in, "laptop"); err != nil {
t.Fatalf("a machine that does not run the bus is refused: %v", err)
}
if err := refusedBus(&meshInput{Input: in.Input}, "anchor"); err != nil {
t.Fatalf("a bus with users is refused: %v", err)
}
}
// The controller's seal replaces the stand-in box whatever path the resource carries: the path is the manifest's with the
// machine's words filled in, not the manifest's own. It failed first, with the path compared (the live try: "composed twice and
// still names ... asked of the vault by the next send").
func TestTheControllersSealReplacesTheBoxWhateverPathTheFileCarries(t *testing.T) {
in, module := aCoreInput(t)
d, _, err := compose.ComposeIn(in.Input, "laptop", compose.Foreseeing)
if err != nil {
t.Fatal(err)
}
for _, r := range d.Resources {
if _, box := r[catalogue.VaultSealedField]; box {
r["path"] = "/home/someone/.var/lib/mesh-provisioner-client/broker"
}
}
sealed, _, err := sealedByTheController(in, "laptop", d, []string{module})
if err != nil {
t.Fatal(err)
}
if left := stillForeseen(sealed); len(left) != 0 {
t.Fatalf("the declaration still stands in for %v", left)
}
}
@@ -1,33 +0,0 @@
package main
import (
"context"
"git.novox.be/novox/mesh-sdk/go/catalogue"
"git.novox.be/novox/mesh-sdk/go/compose"
)
// grantsOf is the grants a provider creates for its consumers, the consumers whose identity overflows the provision's bound
// and the credentials bound to another consumer, as mesh-sdk's rendering gives them for the machine (it replaced the
// controller's grantsFor, issue 1389).
func grantsOf(ctx context.Context, open *stores, node string) ([]catalogue.Grant, []catalogue.Overflow, []catalogue.Unbound, error) {
in, err := inputFor(ctx, open)
if err != nil {
return nil, nil, nil, err
}
rendered, err := compose.Render(in.Input, node, compose.Reading)
if err != nil {
return nil, nil, nil, err
}
return rendered.Rendering.Grants, rendered.Withheld, rendered.Unbound, nil
}
// madeAndRendered sends to the machine (so everything a send makes is made) and answers its rendering as a question reads it
// afterwards: what the controller's Allocating rendering was.
func madeAndRendered(ctx context.Context, open *stores, node string) (catalogue.Rendering, error) {
if _, err := composeSend(ctx, open, node); err != nil {
return catalogue.Rendering{}, err
}
forgetInput(ctx)
return renderingOf(ctx, open, node)
}
-461
View File
@@ -1,461 +0,0 @@
package main
import (
"context"
"os"
"sort"
"strings"
"git.novox.be/novox/mesh-sdk/go/catalogue"
"git.novox.be/novox/mesh-sdk/go/compose"
"git.novox.be/novox/mesh-sdk/go/overlay"
"github.com/novox/mesh-controller/internal/inventory"
)
// The controller's adapter from its stores to mesh-sdk's composition input (novox/hq ADR 0453 clause 3, design 47 R4b,
// issues 1382 and 1383).
//
// **The adapter reads, and perform writes.** readComposeInput asks the stores once for everything the composition reads
// and returns compose.Input, which the composition never changes; it makes, seals, allocates and records nothing. A
// pair credential, a port, an own secret or a core box that the next send would make is not made here: the composition
// names it foreseen, and compose_perform.go makes it for a send, then reads the stores again and composes again. A
// question (status, facts, probes, the merge gate's reading) never performs.
//
// **The Input is built once per operation.** A verb that composes every node reads the stores once and hands the Input to
// each node's composition of it.
// composeInputBuilt is called once for each Input the adapter builds: the seam a test counts the reads of an operation by
// (issue 1382, criterion 5).
var composeInputBuilt = func() {}
// readComposeInput reads the stores once and returns what the composition needs. ctx carries what a send keeps (the
// recorded modules kept at the build their machine runs, recorded_kept.go): the same contexts every send composes under.
func readComposeInput(ctx context.Context, open *stores) (*meshInput, error) {
in, shape, err := readMeshAndNodes(ctx, open)
if err != nil {
return nil, err
}
// What each node resolves to, with no credential given (the settings are read before it): the modules whose settings are read, and the
// needs whose pair credentials are asked of the stores. Nothing is written by it.
unread, err := readSettings(ctx, open, &in)
if err != nil {
return nil, err
}
plans := map[string]compose.Resolved{}
for _, n := range in.Nodes {
if shape.refused[n.Name] != nil {
continue // refused for what it keeps: nothing of it is read further
}
resolved, err := compose.Resolve(in, n.Name)
switch {
case compose.IsUnresolvable(err):
// Their set does not compose: nothing of theirs is read further, as the controller never read a thing for a
// node that did not resolve.
continue
case err != nil:
return nil, err
}
plans[n.Name] = resolved
}
if err := unreadSettings(unread, plans); err != nil {
return nil, err
}
var busRefused error
wouldMake, err := readCredentialsAndBuilds(ctx, open, &in, plans, shape, &busRefused)
if err != nil {
return nil, err
}
composeInputBuilt()
return &meshInput{Input: in, wouldMake: wouldMake, busRefused: busRefused, refused: shape.refused}, nil
}
// meshInput is the Input an operation composes over, and the pair credentials its reading found none held for: the ones the
// next send makes, which perform makes.
type meshInput struct {
compose.Input
wouldMake []inventory.PairCredential
// busRefused is why the bus's user list cannot be composed (no user has a credential): the machine that runs the bus is
// refused with it, as the controller's own composition refused it, and no other machine is.
busRefused error
// refused is, by node, why that machine alone cannot be composed (nodeRefusal).
refused map[string]error
}
// nodeOf is the node of that name in an Input.
func nodeOf(in compose.Input, name string) (compose.Node, bool) {
for _, n := range in.Nodes {
if n.Name == name {
return n, true
}
}
return compose.Node{}, false
}
// inputShape is what the first half of the reading found that the second half needs.
type inputShape struct {
sent map[string]map[string]string // by node: module to the commit last sent
kept map[string]map[string]string // by node: module to the commit kept
current map[string]inventory.CurrentBuild
// refused is, by node, why a recorded module cannot be kept at the build the machine runs (keepRecorded's refusal, in
// its words): that machine alone is refused with it, as planFor refused it, and nothing else of the mesh is.
refused map[string]error
}
// readMeshAndNodes is the mesh-wide and per-node half of the Input (issue 1382).
func readMeshAndNodes(ctx context.Context, open *stores) (compose.Input, inputShape, error) {
inv := open.inventory
var in compose.Input
shape := inputShape{sent: map[string]map[string]string{}, kept: map[string]map[string]string{}, refused: map[string]error{}}
shelf, err := inv.Catalogue(ctx)
if err != nil {
return in, shape, err
}
in.Catalogue = shelf
if in.Holdings, err = inv.Holdings(ctx); err != nil {
return in, shape, err
}
if in.Licences, err = readLicences(ctx, open); err != nil {
return in, shape, err
}
nodes, err := inv.Nodes(ctx)
if err != nil {
return in, shape, err
}
places, err := inv.Overlays(ctx)
if err != nil {
return in, shape, err
}
placed := map[string]inventory.Overlay{}
for _, p := range places {
placed[p.Name] = p
}
if shape.current, err = inv.CurrentBuilds(ctx); err != nil {
return in, shape, err
}
// The range the mesh allocates from and what its internal names end in, read from the environment here and nowhere else.
in.OverlayCIDR = strings.TrimSpace(os.Getenv(OverlayCIDRVar))
in.InternalSuffix = overlay.Suffix()
if in.Tunnels, err = readTunnels(ctx, inv); err != nil {
return in, shape, err
}
if in.Adopted, err = readAdopted(ctx, inv); err != nil {
return in, shape, err
}
carried, err := inv.CarriedPeers(ctx)
if err != nil {
return in, shape, err
}
for _, c := range carried {
in.CarriedPeers = append(in.CarriedPeers, compose.CarriedPeer{
PublicKey: c.PublicKey, Address: c.Address, EnrolledAs: c.EnrolledAs, Named: c.Named})
}
if in.Joining, err = inv.NodesWithALiveToken(ctx); err != nil {
return in, shape, err
}
keepsSecrets := false
for _, m := range shelf {
keepsSecrets = keepsSecrets || m.Keeps != ""
}
for _, n := range nodes {
var refusal error
node, err := readNode(ctx, open, n, placed[n.Name], &refusal)
if err != nil {
return in, shape, err
}
if refusal != nil {
shape.refused[n.Name] = refusal
}
shape.sent[n.Name], shape.kept[n.Name] = node.SentBuilds, node.KeptBuilds
in.Nodes = append(in.Nodes, node)
}
if keepsSecrets {
if in.OperatorExport, err = inv.OperatorExport(ctx); err != nil {
return in, shape, err
}
}
return in, shape, nil
}
// readNode is one node of the Input: everything the composition reads about it, in the order the controller read it.
func readNode(ctx context.Context, open *stores, n inventory.Node, place inventory.Overlay,
refused *error) (compose.Node, error) {
inv := open.inventory
out := compose.Node{
Name: n.Name,
Place: compose.Place{Key: place.Key, Endpoint: place.Endpoint, Site: place.Site, Hub: place.Hub,
Address: place.Address},
Account: n.Account, AccountHome: n.AccountHome, AgentAccount: n.AgentAccount, AgentAccountHome: n.AgentAccountHome,
Adopted: n.Adopted,
}
var err error
if out.Assigned, err = inv.Assigned(ctx, n.Name); err != nil {
return out, err
}
if out.Capabilities, err = inv.ProfileOf(ctx, n.Name); err != nil {
return out, err
}
if out.PublicDomain, err = inv.PublicDomainOf(ctx, n.Name); err != nil {
return out, err
}
if out.Pins, err = inv.PinsFor(ctx, n.Name); err != nil {
return out, err
}
if out.Bound, err = inv.BindingsFor(ctx, n.Name); err != nil {
return out, err
}
given, err := inv.PortsFor(ctx, n.Name)
if err != nil {
return out, err
}
for _, a := range given {
if out.Ports == nil {
out.Ports = map[string]map[int]int{}
}
if out.Ports[a.Module] == nil {
out.Ports[a.Module] = map[int]int{}
}
out.Ports[a.Module][a.Wanted] = a.Machine
}
if out.SealingKey, err = inv.SealingKeyOf(ctx, n.Name); err != nil {
return out, err
}
if n.Adopted {
if out.Taken, err = inv.Taken(ctx, n.Name); err != nil {
return out, err
}
}
if out.OutwardLinks, err = inv.OutwardLinksOf(ctx, n.Name); err != nil {
return out, err
}
account, had, err := inv.MachineOf(ctx, n.Name)
if err != nil {
return out, err
}
if had && account.Machine != nil {
out.NetworksSaid = true
for _, a := range account.Machine.Networks {
out.Networks = append(out.Networks, catalogue.AttachedNetwork{Link: a.Link, Network: a.Network})
}
}
if out.Sequence, err = inv.Sequence(ctx, n.ID); err != nil {
return out, err
}
if out.Epoch, err = inv.SentEpoch(ctx, n.ID); err != nil {
return out, err
}
if out.Generation, err = inv.SentGeneration(ctx, n.ID); err != nil {
return out, err
}
if out.ReadsModules, err = inv.ReadsModules(ctx, n.ID); err != nil {
return out, err
}
if out.SentBuilds, out.SentKnown, err = inv.SentBuilds(ctx, n.Name); err != nil {
return out, err
}
runs, err := inv.AssignmentRuns(ctx, n.Name)
if err != nil {
return out, err
}
if len(runs) > 0 {
out.Runs = make(map[string]compose.Run, len(runs))
for module, ref := range runs {
out.Runs[module] = compose.Run{Commit: ref.Commit, Build: ref.Build}
}
}
// A recorded module kept at the build this machine runs, in the context a send composes under (recorded_kept.go): its
// manifest and the commit, applied to this node's own resolution only.
// What cannot be kept refuses this machine alone (keepRecorded's refusal, as planFor returned it).
kept, err := recordedKept(ctx, open, n.Name)
if err != nil {
*refused = err
} else if len(kept) > 0 {
out.KeptBuilds = kept
if out.Kept, err = keptManifests(ctx, open, n.Name, kept); err != nil {
*refused = err
out.KeptBuilds, out.Kept = nil, nil
}
}
stated, has, err := inv.HealthOf(ctx, n.Name)
if err != nil {
return out, err
}
out.Stated = has
if has {
out.Contract = stated.Contract
}
return out, nil
}
// keptManifests is the manifest of each module kept at the build a machine runs: keepRecorded's reads, and its refusals in its
// words, without putting any of it into a shelf (that is the node's own Kept, applied by the composition).
func keptManifests(ctx context.Context, open *stores, node string, kept map[string]string) (map[string]catalogue.Manifest, error) {
// applyKept puts each manifest into the shelf it is given and refuses a build that cannot be read; the shelf here is a
// scratch one, whose entries are the kept manifests.
scratch := map[string]catalogue.Manifest{}
if err := applyKept(ctx, open, node, kept, scratch); err != nil {
return nil, err
}
return scratch, nil
}
func readTunnels(ctx context.Context, inv *inventory.Inventory) (map[string]compose.FoundTunnel, error) {
found, err := inv.Tunnels(ctx)
if err != nil {
return nil, err
}
if len(found) == 0 {
return nil, nil
}
out := make(map[string]compose.FoundTunnel, len(found))
for name, t := range found {
out[name] = compose.FoundTunnel{Tunnel: tunnelOf(t.Tunnel), NodeAdopted: t.NodeAdopted}
}
return out, nil
}
func readAdopted(ctx context.Context, inv *inventory.Inventory) (*compose.AdoptedTunnel, error) {
tunnel, hub, adopted, err := inv.AdoptedTunnel(ctx)
if err != nil {
return nil, err
}
if hub == "" {
return nil, nil
}
return &compose.AdoptedTunnel{Tunnel: tunnelOf(tunnel), Hub: hub, Adopted: adopted}, nil
}
func tunnelOf(t inventory.Tunnel) compose.Tunnel {
out := compose.Tunnel{Interface: t.Interface, Unit: t.Unit, Config: t.Config, Port: t.Port, MTU: t.MTU,
Address: t.Address, Range: t.Range, PublicKey: t.PublicKey}
for _, p := range t.Peers {
out.Peers = append(out.Peers, compose.TunnelPeer{PublicKey: p.PublicKey, Address: p.Address})
}
return out
}
// readLicences is every licence the mesh holds, with who uses it and the key sealed to each holder: given even where empty,
// so a holder the mesh holds no key for composes as that, and not as a key that was not asked for.
func readLicences(ctx context.Context, open *stores) ([]compose.Licence, error) {
held, err := open.Licences(ctx)
if err != nil {
return nil, err
}
all, err := held.All(ctx)
if err != nil {
return nil, err
}
var out []compose.Licence
for _, one := range all {
l := compose.Licence{Name: one.Name, Serves: one.Serves, Keys: map[compose.Holder]string{}}
holders, err := held.HoldersOf(ctx, one.Name)
if err != nil {
return nil, err
}
for _, h := range holders {
holder := compose.Holder{Node: h.Node, Module: h.Module}
l.Holders = append(l.Holders, holder)
key, err := held.KeyFor(ctx, one.Name, h.Node, h.Module)
if err != nil {
return nil, err
}
l.Keys[holder] = key
}
node, module, err := held.ManagerOf(ctx, one.Name)
if err != nil {
return nil, err
}
l.Manager = compose.Holder{Node: node, Module: module}
out = append(out, l)
}
return out, nil
}
// readSettings is each node's settings layers for every module that has any (a row, or config in mesh-config), read BEFORE any node is resolved: the first pass
// resolves a node whose set takes a provider's served facts from the node that runs it, with that node's settings on them
// (servedOnNode), so a mesh whose provider says ${setting:domain} resolves only with the settings in the Input. A module's
// settings that fail to read are returned in unread, by node and module, and are an error only for a module a node resolves to
// (unreadSettings): the controller read none for a module nothing runs.
func readSettings(ctx context.Context, open *stores, in *compose.Input) (unread map[string]map[string]error, err error) {
have, err := open.inventory.ModulesWithSettings(ctx)
if err != nil {
return nil, err
}
names, err := modulesToRead(in.Catalogue, have, func(module string) (bool, error) {
return open.inventory.ReadsConfig(ctx, module)
})
if err != nil {
return nil, err
}
for i := range in.Nodes {
n := &in.Nodes[i]
for _, module := range names {
layers, err := open.inventory.SettingsFor(ctx, n.Name, module)
if err != nil {
if unread == nil {
unread = map[string]map[string]error{}
}
if unread[n.Name] == nil {
unread[n.Name] = map[string]error{}
}
unread[n.Name][module] = err
continue
}
if len(layers) == 0 {
continue
}
if n.Settings == nil {
n.Settings = map[string][]catalogue.Layer{}
}
n.Settings[module] = layers
}
}
return unread, nil
}
// modulesToRead is the modules on the shelf whose settings are read for a node: those with a settings row, and those in
// the config form whose values mesh-config holds (readsConfig), which have no row when they were never in the settings
// form (issue 1493: brother's scanner and printer, set only in mesh-config, composed empty). SettingsFor is where
// mesh-config's values are laid in, so a gate on the settings table alone leaves them out.
func modulesToRead(shelf map[string]catalogue.Manifest, have map[string]bool, readsConfig func(string) (bool, error)) ([]string, error) {
names := make([]string, 0, len(have))
for module, m := range shelf {
if have[module] {
names = append(names, module)
continue
}
if !m.DeclaresConfig() {
continue
}
reads, err := readsConfig(module)
if err != nil {
return nil, err
}
if reads {
names = append(names, module)
}
}
sort.Strings(names)
return names, nil
}
// unreadSettings is the error of a module's settings that did not read, for a module the node resolves to.
func unreadSettings(unread map[string]map[string]error, plans map[string]compose.Resolved) error {
names := make([]string, 0, len(plans))
for node := range plans {
names = append(names, node)
}
sort.Strings(names)
for _, node := range names {
for _, m := range plans[node].Plan.Modules {
if err := unread[node][m.Module]; err != nil {
return err
}
}
}
return nil
}
@@ -1,285 +0,0 @@
package main
import (
"context"
"sort"
"strings"
"git.novox.be/novox/mesh-sdk/go/catalogue"
"git.novox.be/novox/mesh-sdk/go/compose"
"git.novox.be/novox/mesh-sdk/go/overlay"
"github.com/novox/mesh-controller/internal/inventory"
)
// The second half of the adapter (issue 1383): the credential and build fields of the Input, read and never made.
// readCredentialsAndBuilds fills what the first half left: the credentials, the own secrets, the vault's boxes, the bus,
// each node's serving key and certificate, and the builds.
func readCredentialsAndBuilds(ctx context.Context, open *stores, in *compose.Input, plans map[string]compose.Resolved,
shape inputShape, busRefused *error) ([]inventory.PairCredential, error) {
if err := readIdentity(ctx, open, in); err != nil {
return nil, err
}
wouldMake, err := readCredentials(ctx, open, in, plans, busRefused)
if err != nil {
return nil, err
}
return wouldMake, readBuilds(ctx, open, in, plans, shape)
}
// readIdentity is the mesh's authority and each node's serving key and the certificate kept for it, for a mesh in which a
// module asks for a certificate. It establishes and issues nothing: a certificate not kept yet is composed with a stand-in, and
// issued by the send (certificateFor).
func readIdentity(ctx context.Context, open *stores, in *compose.Input) error {
needs := false
for _, m := range in.Catalogue {
needs = needs || m.Certificate != nil
}
if !needs {
return nil
}
ident, err := open.Identity(ctx)
if err != nil {
return err
}
if certificate, known, err := ident.KnownAuthority(ctx); err != nil {
return err
} else if known {
in.Authority = certificate
}
nodes, err := open.inventory.Nodes(ctx)
if err != nil {
return err
}
ids := map[string]string{}
for _, n := range nodes {
ids[n.Name] = n.ID
}
for i := range in.Nodes {
n := &in.Nodes[i]
if n.ServingKey, err = ident.ServingKeyOf(ctx, ids[n.Name]); err != nil {
return err
}
if n.ServingKey == "" {
continue
}
if certificate, known, err := ident.KeptCertificate(ctx, overlay.InternalName(n.Name), n.ServingKey); err != nil {
return err
} else if known {
n.Certificate = certificate
}
}
return nil
}
// readCredentials is how each pair credential a node takes from elsewhere stands, the credentials made for each provider's
// consumers, the own secrets, the vault's boxes and the bus. It reads and never makes: a credential a send would make is
// left out (the composition's would-make), a credential only a person gives and nobody gave is not-given, and one the send
// would be refused is refused with the controller's words.
func readCredentials(ctx context.Context, open *stores, in *compose.Input, plans map[string]compose.Resolved,
busRefused *error) ([]inventory.PairCredential, error) {
var wouldMake []inventory.PairCredential
inv := open.inventory
shelf := in.Catalogue
nodeOf := map[string]compose.Node{}
for _, n := range in.Nodes {
nodeOf[n.Name] = n
}
names := make([]string, 0, len(plans))
for name := range plans {
names = append(names, name)
}
sort.Strings(names)
for _, name := range names {
resolved := plans[name]
nodeShelf := shelfWith(shelf, nodeOf[name].Kept)
for _, need := range resolved.Plan.Needs {
if need.ByRecord {
continue
}
p := inventory.PairCredential{Name: need.Name, Consumer: name, ConsumerModule: need.For,
Provider: need.From, Local: need.Local}
if module, outside := issuedOutsideBy(nodeShelf, need); outside {
p.Kind, p.ProviderModule = inventory.PairOutside, module
} else if need.SharedOwn != "" {
p.Kind, p.Own = inventory.PairShared, need.SharedOwn
p.ProviderModule = sharedProviderModule(resolved.Plan, shelf, need)
}
state, err := inv.PairCredentialState(ctx, p)
if err != nil {
return nil, err
}
c := compose.Credential{Provision: need.Name, Consumer: name, ConsumerModule: need.For,
Provider: need.From, Local: need.Local}
switch state.State {
case inventory.PairHeld:
c.State, c.Sealed = compose.CredentialHeld, state.Sealed
case inventory.PairNotGiven:
c.State, c.Why = compose.CredentialNotGiven, state.Why
case inventory.PairRefused:
c.State, c.Why = compose.CredentialRefused, state.Why
default:
// Left out: a need with no entry is the credential the next send makes, and perform makes it.
wouldMake = append(wouldMake, p)
continue
}
in.Credentials = append(in.Credentials, c)
}
}
// The credentials made for each provider's consumers, so the grants it must create are read from them.
for _, n := range in.Nodes {
rows, err := inv.SecretsFrom(ctx, n.Name)
if err != nil {
return nil, err
}
for _, s := range rows {
in.Issued = append(in.Issued, compose.Issued{Provision: s.Name, Consumer: s.Consumer,
ConsumerModule: s.ConsumerModule, Local: s.Local, Provider: n.Name, ForProvider: s.ForProvider})
}
}
own, err := inv.OwnSecretRows(ctx)
if err != nil {
return nil, err
}
for _, r := range own {
in.OwnSecrets = append(in.OwnSecrets, compose.OwnSecretRow{Node: r.Node, Module: r.Module, Name: r.Name,
Origin: r.Origin, SealedTo: r.SealedTo, Sealed: r.Sealed})
}
for _, n := range in.Nodes {
boxes, err := inv.KeptCoreBoxes(ctx, n.Name)
if err != nil {
return nil, err
}
for module, byName := range boxes {
for name, b := range byName {
in.KeptCoreBoxes = append(in.KeptCoreBoxes, compose.CoreBox{Node: n.Name, Module: module, Name: name,
Generation: b.Generation, SealedTo: b.SealedTo, Box: b.Box})
}
}
}
sort.Slice(in.KeptCoreBoxes, func(i, j int) bool {
a, b := in.KeptCoreBoxes[i], in.KeptCoreBoxes[j]
if a.Node != b.Node {
return a.Node < b.Node
}
if a.Module != b.Module {
return a.Module < b.Module
}
return a.Name < b.Name
})
// The bus: its user list as the controller composes it, for the machine that runs it, and who the mesh has minted a
// credential for.
var bus []catalogue.Manifest
for _, m := range shelf {
if m.BusUsers != "" && m.ClaimsSeat("mesh-broker") {
bus = append(bus, m)
}
}
if len(bus) > 0 {
list, missing, err := busUserList(ctx, inv, bus)
if err != nil && !strings.Contains(err.Error(), "not one user has a credential") {
return nil, err
}
if err != nil {
// The machine that runs the bus is refused, as the controller's own composition refused it: a list that
// refuses every connection in the mesh is never composed (refusedBus); the other machines compose.
*busRefused = err
}
in.BusUsers, in.BusMissing = list, missing
}
if in.BusMinted, err = inv.BusMinted(ctx); err != nil {
return nil, err
}
if in.BusMemberships, err = inv.BusMemberships(ctx); err != nil {
return nil, err
}
return wouldMake, nil
}
// readBuilds is the build half of the Input: every repository the mesh built, each module's current build, and the build made
// from a commit of a module for the machines whose node-engine reads them.
func readBuilds(ctx context.Context, open *stores, in *compose.Input, plans map[string]compose.Resolved, shape inputShape) error {
inv := open.inventory
held, err := inv.Held(ctx)
if err != nil {
return err
}
for repository := range held {
in.Built = append(in.Built, repository)
}
sort.Strings(in.Built)
in.CurrentBuilds = make(map[string]string, len(shape.current))
for module, b := range shape.current {
in.CurrentBuilds[module] = b.Commit
}
// The build made from each commit a declaration may carry, for the machines that read a build per module.
for _, n := range in.Nodes {
if !n.ReadsModules {
continue
}
resolved, ok := plans[n.Name]
if !ok {
continue
}
for _, m := range resolved.Plan.Modules {
for _, commit := range []string{shape.current[m.Module].Commit, shape.kept[n.Name][m.Module], shape.sent[n.Name][m.Module]} {
if commit == "" {
continue
}
if _, done := in.BuildIDs[m.Module][commit]; done {
continue
}
build, err := inv.BuildOf(ctx, m.Module, commit)
if err != nil {
return err
}
if in.BuildIDs == nil {
in.BuildIDs = map[string]map[string]string{}
}
if in.BuildIDs[m.Module] == nil {
in.BuildIDs[m.Module] = map[string]string{}
}
in.BuildIDs[m.Module][commit] = build
}
}
}
return nil
}
// shelfWith is the shelf with each module a node keeps at the build it runs put in place of the current one: a copy.
func shelfWith(shelf map[string]catalogue.Manifest, kept map[string]catalogue.Manifest) map[string]catalogue.Manifest {
if len(kept) == 0 {
return shelf
}
out := make(map[string]catalogue.Manifest, len(shelf)+len(kept))
for name, m := range shelf {
out[name] = m
}
for name, m := range kept {
out[name] = m
}
return out
}
// sharedProviderModule is which module answers a shared credential on the providing node: the one in the plan, else the first
// the catalogue names (providerModuleOf, in an order that does not move between calls).
func sharedProviderModule(plan catalogue.Resolution, shelf map[string]catalogue.Manifest, n catalogue.Needed) string {
for _, m := range plan.Modules {
if _, shared := m.SharedCredentialOf(n.Name); shared {
return m.Module
}
}
names := make([]string, 0, len(shelf))
for name := range shelf {
names = append(names, name)
}
sort.Strings(names)
for _, name := range names {
if _, shared := shelf[name].SharedCredentialOf(n.Name); shared {
return name
}
}
return ""
}
@@ -1,354 +0,0 @@
//go:build integration
package main
import (
"encoding/json"
"fmt"
"sort"
"strings"
"testing"
"git.novox.be/novox/mesh-sdk/go/catalogue"
"git.novox.be/novox/mesh-sdk/go/compose"
"github.com/novox/mesh-controller/internal/inventory"
)
// tableState is every table's rows and every sequence's last value, as the adapter's reads must leave them.
func tableState(t *testing.T, inv *inventory.Inventory) map[string]string {
t.Helper()
out := map[string]string{}
for _, row := range inv.QueryForTest(t, `select table_name from information_schema.tables
where table_schema = 'public' and table_type = 'BASE TABLE' order by table_name`) {
name := strings.Trim(row[0], `"`)
count := inv.QueryForTest(t, fmt.Sprintf(`select count(*)::text from %q`, name))
out["rows:"+name] = fmt.Sprint(count)
digest := inv.QueryForTest(t, fmt.Sprintf(`select coalesce(md5(string_agg(t::text, '|' order by t::text)), '') from %q t`, name))
out["content:"+name] = fmt.Sprint(digest)
}
for _, row := range inv.QueryForTest(t, `select sequencename, coalesce(last_value::text, '') from pg_sequences
where schemaname = 'public' order by sequencename`) {
out["sequence:"+row[0]] = row[1]
}
return out
}
// 1382/AC4 and 1383/AC6: building the Input writes nothing. The store's rows, their contents and its sequences are the same
// before and after, on a mesh whose credentials are not made, whose ports are not given and which keeps a recorded build.
func TestBuildingTheInputWritesNothing(t *testing.T) {
open, _ := aMeshWithSecrets(t)
ctx := t.Context()
inv := open.inventory
// A consumer whose credential nothing has made yet, on a mesh that already composed.
register(t, open, catalogue.Manifest{Module: "reports", Version: "1", Requires: []string{"s3-bucket"},
Resources: []map[string]any{{"id": "config", "type": "file", "path": "/etc/reports/config.json", "mode": "0600",
"content": "{}", "merge": "json"}}})
if _, err := inv.Assign(ctx, "laptop", "reports"); err != nil {
t.Fatal(err)
}
before := tableState(t, inv)
if _, err := readComposeInput(ctx, open); err != nil {
t.Fatal(err)
}
after := tableState(t, inv)
var moved []string
for k, v := range after {
if before[k] != v {
moved = append(moved, k)
}
}
sort.Strings(moved)
if len(moved) > 0 {
t.Fatalf("building the Input wrote: %v", moved)
}
}
// a consumer of the s3-bucket aMeshWithSecrets' provider offers, with a file the credential goes into.
func aConsumerOfTheBucket(name string) catalogue.Manifest {
return catalogue.Manifest{Module: name, Version: "1", Requires: []string{"s3-bucket"},
Secrets: map[string]string{"s3-bucket": "/etc/" + name + "/s3"},
Resources: []map[string]any{{"id": "config", "type": "file", "path": "/etc/" + name + "/config.json", "mode": "0600",
"content": "{}", "merge": "json"}}}
}
// 1383/AC1: of a provider's three consumers, two have their credentials made and one has not: Issued holds the two rows, with
// the copy sealed to the provider, the third is a credential the next send makes, and no row was inserted for it (planFor
// inserted it, plan.go: SecretFor in every mode).
func TestAPairCredentialNoRowHoldsIsAWouldMakeAndNoRowIsInserted(t *testing.T) {
open, _ := aMeshWithSecrets(t)
ctx := t.Context()
inv := open.inventory
register(t, open, aConsumerOfTheBucket("reports"))
if _, err := inv.Assign(ctx, "laptop", "reports"); err != nil {
t.Fatal(err)
}
// A send makes the credentials of files and reports; a question makes none.
if _, err := composeSend(ctx, open, "laptop"); err != nil {
t.Fatal(err)
}
register(t, open, aConsumerOfTheBucket("metrics"))
if _, err := inv.Assign(ctx, "laptop", "metrics"); err != nil {
t.Fatal(err)
}
before := tableState(t, inv)
in, err := readComposeInput(ctx, open)
if err != nil {
t.Fatal(err)
}
var rows []compose.Issued
for _, r := range in.Issued {
if r.Provider == "anchor" && r.Provision == "s3-bucket" {
rows = append(rows, r)
if r.ForProvider == "" {
t.Errorf("the row of %s carries no copy sealed to the provider", r.ConsumerModule)
}
}
}
if len(rows) != 2 {
t.Fatalf("Issued holds %d row(s) for anchor's s3-bucket, want files and reports: %+v", len(rows), rows)
}
var would []string
for _, p := range in.wouldMake {
would = append(would, p.ConsumerModule)
}
if len(would) != 1 || would[0] != "metrics" {
t.Fatalf("the credentials the next send makes are %v, want metrics", would)
}
for _, c := range in.Credentials {
if c.ConsumerModule == "metrics" {
t.Errorf("a credential nobody holds has an entry: %+v", c)
}
}
after := tableState(t, inv)
for k, v := range after {
if before[k] != v {
t.Errorf("reading the Input moved %s", k)
}
}
}
// 1383/AC2: a credential only a person gives that nobody gave is not given, and so is one given under a key the machine no
// longer has; a credential given by a person for the pair and sealed to a key one end no longer has is refused: in the words
// plan.go and secrets.go use.
func TestACredentialOnlyAPersonGivesIsNotGivenAndAGivenOneUnderAnOldKeyIsSaidSo(t *testing.T) {
open := aMesh(t)
ctx := t.Context()
inv := open.inventory
register(t, open, catalogue.Manifest{Module: "indexers", Version: "1", Provides: []catalogue.Offer{{
Name: "indexer-api", Scope: catalogue.ScopeMesh, Credential: &catalogue.OfferCredential{IssuedBy: catalogue.IssuedOutside}}}})
register(t, open, catalogue.Manifest{Module: "grabber", Version: "1", Requires: []string{"indexer-api"},
Secrets: map[string]string{"indexer-api": "/etc/grabber/key"}})
register(t, open, aConsumerOfTheBucket("ledger"))
register(t, open, catalogue.Manifest{Module: "objects", Version: "1", Provides: catalogue.FromAnywhere("s3-bucket")})
for _, a := range [][2]string{{"anchor", "indexers"}, {"laptop", "grabber"}, {"anchor", "objects"}, {"laptop", "ledger"}} {
if _, err := inv.Assign(ctx, a[0], a[1]); err != nil {
t.Fatalf("assign %s %s: %v", a[0], a[1], err)
}
}
stateOf := func(provision, consumerModule string) (compose.Credential, bool) {
in, err := readComposeInput(ctx, open)
if err != nil {
t.Fatal(err)
}
for _, c := range in.Credentials {
if c.Provision == provision && c.ConsumerModule == consumerModule {
return c, true
}
}
return compose.Credential{}, false
}
c, found := stateOf("indexer-api", "grabber")
if !found || c.State != compose.CredentialNotGiven || !strings.Contains(c.Why, "nobody gave it") {
t.Fatalf("a credential nobody gave reads as %+v", c)
}
if err := inv.AcceptSecretForPair(ctx, "indexer-api", "laptop", "grabber", "anchor", "", "the-key"); err != nil {
t.Fatal(err)
}
if c, found := stateOf("indexer-api", "grabber"); !found || c.State != compose.CredentialHeld || c.Sealed == "" {
t.Fatalf("a credential a person gave reads as %+v", c)
}
// The consumer's machine generated a key of its own since.
if err := inv.RecordSealingKey(ctx, nodeID(t, open, "laptop"), aPublicKey(t)); err != nil {
t.Fatal(err)
}
if c, found := stateOf("indexer-api", "grabber"); !found || c.State != compose.CredentialNotGiven ||
!strings.Contains(c.Why, "a sealing key one end no longer has") {
t.Fatalf("a credential given under a key the machine no longer has reads as %+v", c)
}
// A credential for a pair, given by a person, under a key one end has since replaced: the mesh cannot make another.
if err := inv.RecordSealingKey(ctx, nodeID(t, open, "laptop"), aPublicKey(t)); err != nil {
t.Fatal(err)
}
if err := inv.AcceptSecretForPair(ctx, "s3-bucket", "laptop", "ledger", "anchor", "", "the-bucket-key"); err != nil {
t.Fatal(err)
}
if err := inv.RecordSealingKey(ctx, nodeID(t, open, "laptop"), aPublicKey(t)); err != nil {
t.Fatal(err)
}
if c, found := stateOf("s3-bucket", "ledger"); !found || c.State != compose.CredentialRefused ||
!strings.Contains(c.Why, "was accepted from a person, and a sealing key at one end has changed since") {
t.Fatalf("a credential given for the pair under an old key reads as %+v", c)
}
}
// 1383/AC3: the own secrets carry their origin, the key they are sealed to and the sealed value; the vault's kept boxes, the
// licences (with their keys given, so an empty key means the mesh holds none), the users the bus has minted and the
// memberships equal what the inventory answers.
func TestTheAdaptersInputCarriesTheOwnSecretsTheBoxesTheLicencesAndTheBus(t *testing.T) {
open, _ := aMeshWithSecrets(t)
ctx := t.Context()
inv := open.inventory
key, err := inv.SealingKeyOf(ctx, "anchor")
if err != nil {
t.Fatal(err)
}
sealed, err := inv.SecretForModule(ctx, "anchor", "objects", "admin")
if err != nil {
t.Fatal(err)
}
box := json.RawMessage(`{"v":1,"eph":"e","iv":"i","tag":"t","ct":"c"}`)
if err := inv.KeepCoreBox(ctx, "anchor", inventory.CoreBox{Module: "objects", Name: "admin", Generation: 4,
SealedTo: key, Box: box}); err != nil {
t.Fatal(err)
}
if err := inv.SeedBusUser(ctx, inventory.BusUser{Username: "anchor.objects", Kind: "module", Node: "anchor",
Module: "objects"}, "a-password"); err != nil {
t.Fatal(err)
}
if err := inv.PutBusMembership(ctx, "laptop", "sealed-membership"); err != nil {
t.Fatal(err)
}
held, err := open.Licences(ctx)
if err != nil {
t.Fatal(err)
}
if err := held.Add(ctx, "claude", "static", map[string]any{"model": "x"}); err != nil {
t.Fatal(err)
}
in, err := readComposeInput(ctx, open)
if err != nil {
t.Fatal(err)
}
var own *compose.OwnSecretRow
for i := range in.OwnSecrets {
if r := &in.OwnSecrets[i]; r.Node == "anchor" && r.Module == "objects" && r.Name == "admin" {
own = r
}
}
if own == nil || own.Origin != "made" || own.SealedTo != key || own.Sealed != sealed {
t.Errorf("the own secret reads as %+v; the inventory holds %q sealed to %q", own, sealed, key)
}
var kept *compose.CoreBox
for i := range in.KeptCoreBoxes {
if b := &in.KeptCoreBoxes[i]; b.Node == "anchor" && b.Module == "objects" && b.Name == "admin" {
kept = b
}
}
if kept == nil || kept.Generation != 4 || kept.SealedTo != key || string(kept.Box) != string(box) {
t.Errorf("the kept box reads as %+v", kept)
}
if got := strings.Join(in.BusMinted, ","); !strings.Contains(got, "anchor.objects") {
t.Errorf("BusMinted is %v", in.BusMinted)
}
if in.BusMemberships["laptop"] != "sealed-membership" {
t.Errorf("BusMemberships is %v", in.BusMemberships)
}
if len(in.Licences) != 1 || in.Licences[0].Name != "claude" || in.Licences[0].Keys == nil {
t.Errorf("Licences read as %+v", in.Licences)
}
}
// 1383/AC4: the bus's user list is what busUserList gives for the machine that runs the bus, and the Input carries none when
// no module of the shelf runs the bus.
func TestTheBusUsersAreWhatTheControllerComposesForTheMachineThatRunsTheBus(t *testing.T) {
open, _ := aMeshWithSecrets(t)
ctx := t.Context()
in, err := readComposeInput(ctx, open)
if err != nil {
t.Fatal(err)
}
if in.BusUsers != "" || len(in.BusMissing) != 0 {
t.Fatalf("a mesh whose shelf runs no bus carries a bus user list: %q %v", in.BusUsers, in.BusMissing)
}
bus := catalogue.Manifest{Module: "nats", Version: "1", BusUsers: "/etc/nats/users.conf",
Claims: []catalogue.Claim{{Name: "mesh-broker", Scope: catalogue.ScopeMesh}}}
register(t, open, bus)
if err := open.inventory.SeedBusUser(ctx, inventory.BusUser{Username: "controller", Kind: "controller"}, "pw"); err != nil {
t.Fatal(err)
}
in, err = readComposeInput(ctx, open)
if err != nil {
t.Fatal(err)
}
list, missing, _ := busUserList(ctx, open.inventory, []catalogue.Manifest{bus})
if in.BusUsers != list || fmt.Sprint(in.BusMissing) != fmt.Sprint(missing) {
t.Errorf("the Input carries %q (%v); busUserList gives %q (%v)", in.BusUsers, in.BusMissing, list, missing)
}
}
// 1383/AC5: Built, CurrentBuilds and BuildIDs equal the inventory's Held, CurrentBuilds and BuildOf, and the serving key and
// the certificate are the machine's.
func TestTheAdaptersInputCarriesTheBuildsAndTheMachinesKey(t *testing.T) {
open, _ := aMeshWithSecrets(t)
ctx := t.Context()
inv := open.inventory
in, err := readComposeInput(ctx, open)
if err != nil {
t.Fatal(err)
}
held, err := inv.Held(ctx)
if err != nil {
t.Fatal(err)
}
var wantBuilt []string
for repository := range held {
wantBuilt = append(wantBuilt, repository)
}
sort.Strings(wantBuilt)
if fmt.Sprint(in.Built) != fmt.Sprint(wantBuilt) && !(len(in.Built) == 0 && len(wantBuilt) == 0) {
t.Errorf("Built is %v, the inventory's %v", in.Built, wantBuilt)
}
current, err := inv.CurrentBuilds(ctx)
if err != nil {
t.Fatal(err)
}
for module, b := range current {
if in.CurrentBuilds[module] != b.Commit {
t.Errorf("CurrentBuilds[%s] is %q, the inventory's %q", module, in.CurrentBuilds[module], b.Commit)
}
}
for module, byCommit := range in.BuildIDs {
for commit, build := range byCommit {
if want, _ := inv.BuildOf(ctx, module, commit); want != build {
t.Errorf("BuildIDs[%s][%s] is %q, the inventory's %q", module, commit, build, want)
}
}
}
}
// The lead's answer 4: where the mesh holds no credential for any bus user, the machine that runs the bus is refused with
// busUserList's words (the controller's composition refused it), the Input still builds, and another machine composes.
func TestTheBusMachineIsRefusedWhereNoUserHasACredentialAndTheOthersCompose(t *testing.T) {
open, _ := aMeshWithSecrets(t)
ctx := t.Context()
bus := catalogue.Manifest{Module: "nats", Version: "1", BusUsers: "/etc/nats/users.conf",
Claims: []catalogue.Claim{{Name: "mesh-broker", Scope: catalogue.ScopeMesh}}}
register(t, open, bus)
register(t, open, aWebModule())
if _, err := assign(ctx, open, "anchor", "nats"); err != nil {
t.Fatal(err)
}
if _, err := assign(ctx, open, "laptop", "web"); err != nil {
t.Fatal(err)
}
if _, _, err := composeQuestion(ctx, open, "anchor", compose.Foreseeing, false); err == nil ||
!strings.Contains(err.Error(), "not one user has a credential") {
t.Fatalf("the bus machine is composed: %v", err)
}
if _, _, err := composeQuestion(ctx, open, "laptop", compose.Foreseeing, false); err != nil {
t.Fatalf("a machine that does not run the bus is refused: %v", err)
}
}
@@ -1,329 +0,0 @@
//go:build integration
package main
import (
"reflect"
"strings"
"testing"
"time"
"git.novox.be/novox/mesh-sdk/go/catalogue"
"git.novox.be/novox/mesh-sdk/go/compose"
"github.com/novox/mesh-controller/internal/link"
)
// 1382: the adapter's Input names, for every node, what the inventory answers for it, each compared with the read named
// beside the field in go/compose/input.go (novox/hq ADR 0453 clause 3).
func TestTheAdaptersInputNamesWhatTheInventoryAnswersForEachNode(t *testing.T) {
open, _ := aMeshWithSecrets(t)
ctx := t.Context()
inv := open.inventory
if err := inv.SetPublicDomain(ctx, "anchor", "example.test"); err != nil {
t.Fatal(err)
}
if _, err := inv.PortFor(ctx, "laptop", "files", 8080, false); err != nil {
t.Fatal(err)
}
in, err := readComposeInput(ctx, open)
if err != nil {
t.Fatal(err)
}
shelf, err := inv.Catalogue(ctx)
if err != nil {
t.Fatal(err)
}
if !reflect.DeepEqual(in.Catalogue, shelf) {
t.Error("the Input's Catalogue is not the shelf the inventory holds")
}
nodes, err := inv.Nodes(ctx)
if err != nil {
t.Fatal(err)
}
if len(in.Nodes) != len(nodes) {
t.Fatalf("the Input names %d node(s), the inventory has %d", len(in.Nodes), len(nodes))
}
places, err := inv.Overlays(ctx)
if err != nil {
t.Fatal(err)
}
for _, record := range nodes {
n, ok := nodeOf(in.Input, record.Name)
if !ok {
t.Fatalf("%s is not in the Input", record.Name)
}
for _, p := range places {
if p.Name == record.Name {
if want := (compose.Place{Key: p.Key, Endpoint: p.Endpoint, Site: p.Site, Hub: p.Hub, Address: p.Address}); n.Place != want {
t.Errorf("%s: Place is %+v, the inventory's %+v", record.Name, n.Place, want)
}
}
}
assigned, _ := inv.Assigned(ctx, record.Name)
if !reflect.DeepEqual(n.Assigned, assigned) {
t.Errorf("%s: Assigned is %v, the inventory's %v", record.Name, n.Assigned, assigned)
}
caps, _ := inv.ProfileOf(ctx, record.Name)
if !reflect.DeepEqual(n.Capabilities, caps) {
t.Errorf("%s: Capabilities are %v, the inventory's %v", record.Name, n.Capabilities, caps)
}
domain, _ := inv.PublicDomainOf(ctx, record.Name)
if n.PublicDomain != domain {
t.Errorf("%s: PublicDomain is %q, the inventory's %q", record.Name, n.PublicDomain, domain)
}
if n.Account != record.Account || n.AccountHome != record.AccountHome || n.AgentAccount != record.AgentAccount ||
n.AgentAccountHome != record.AgentAccountHome || n.Adopted != record.Adopted {
t.Errorf("%s: the accounts or the mode differ from the inventory's: %+v", record.Name, n)
}
pins, _ := inv.PinsFor(ctx, record.Name)
if len(pins) != len(n.Pins) || (len(pins) > 0 && !reflect.DeepEqual(n.Pins, pins)) {
t.Errorf("%s: Pins are %v, the inventory's %v", record.Name, n.Pins, pins)
}
bound, _ := inv.BindingsFor(ctx, record.Name)
if len(bound) != len(n.Bound) || (len(bound) > 0 && !reflect.DeepEqual(n.Bound, bound)) {
t.Errorf("%s: Bound is %v, the inventory's %v", record.Name, n.Bound, bound)
}
key, _ := inv.SealingKeyOf(ctx, record.Name)
if n.SealingKey != key {
t.Errorf("%s: SealingKey is %q, the inventory's %q", record.Name, n.SealingKey, key)
}
ports, _ := inv.PortsFor(ctx, record.Name)
want := map[string]map[int]int{}
for _, a := range ports {
if want[a.Module] == nil {
want[a.Module] = map[int]int{}
}
want[a.Module][a.Wanted] = a.Machine
}
if len(want) != len(n.Ports) || (len(want) > 0 && !reflect.DeepEqual(n.Ports, want)) {
t.Errorf("%s: Ports are %v, the inventory's %v", record.Name, n.Ports, want)
}
// The settings of every module it resolves to, layer for layer.
resolved, err := compose.Resolve(in.Input, record.Name)
if err != nil {
continue
}
for _, m := range resolved.Plan.Modules {
layers, err := inv.SettingsFor(ctx, record.Name, m.Module)
if err != nil {
t.Fatal(err)
}
if len(layers) != len(n.Settings[m.Module]) || (len(layers) > 0 && !reflect.DeepEqual(n.Settings[m.Module], layers)) {
t.Errorf("%s: the settings of %s are %v, the inventory's %v", record.Name, m.Module, n.Settings[m.Module], layers)
}
}
}
if domain := nodeDomain(in.Input, "anchor"); domain != "example.test" {
t.Errorf("anchor's PublicDomain is %q", domain)
}
if got := nodePorts(in.Input, "laptop"); got["files"][8080] == 0 {
t.Errorf("laptop's port for files:8080 is not in the Input: %v", got)
}
}
func nodeDomain(in compose.Input, name string) string {
n, _ := nodeOf(in, name)
return n.PublicDomain
}
func nodePorts(in compose.Input, name string) map[string]map[int]int {
n, _ := nodeOf(in, name)
return n.Ports
}
// 1382/AC2: a node keeping a recorded module at the build it runs has that module in Kept and KeptBuilds, and the Input's
// Catalogue is the current shelf, not the kept manifest (R4a review round 1, finding 1).
func TestANodeKeepingARecordedBuildHasItInKeptAndTheCatalogueStaysCurrent(t *testing.T) {
open := aMesh(t)
ctx := t.Context()
inv := open.inventory
start := time.Now().Add(-time.Hour)
image := "registry.invalid:5000/postgres/server@sha256:" + strings.Repeat("a", 64)
for _, b := range []link.BuildResult{
aContainerBuild(t, "postgres", "c1111111", catalogue.PolicyRecord, start, map[string][2]string{"server": {image, ""}}),
} {
if _, _, err := takeIn(ctx, inv, asTheOperator(t, inv, b)); err != nil {
t.Fatal(err)
}
}
if _, err := inv.Assign(ctx, "anchor", "postgres"); err != nil {
t.Fatal(err)
}
if err := inv.RecordSent(ctx, nodeID(t, open, "anchor"), "d-anchor", map[string]string{"postgres": "c1111111"}); err != nil {
t.Fatal(err)
}
if _, _, err := takeIn(ctx, inv, aContainerBuild(t, "postgres", "c2222222", catalogue.PolicyRecord, start.Add(time.Minute),
map[string][2]string{"server": {image, "runtime"}})); err != nil {
t.Fatal(err)
}
// A send that is not a person's push keeps the build the machine runs.
in, err := readComposeInput(keepingRecorded(ctx), open)
if err != nil {
t.Fatal(err)
}
anchor, _ := nodeOf(in.Input, "anchor")
if anchor.KeptBuilds["postgres"] != "c1111111" {
t.Fatalf("anchor keeps %v, want postgres at c1111111", anchor.KeptBuilds)
}
kept, found := anchor.Kept["postgres"]
if !found {
t.Fatalf("the kept manifest of postgres is not in anchor's Kept: %v", anchor.Kept)
}
current, err := inv.Catalogue(ctx)
if err != nil {
t.Fatal(err)
}
if !reflect.DeepEqual(in.Catalogue["postgres"], current["postgres"]) {
t.Error("the Input's Catalogue is not the current shelf")
}
if reflect.DeepEqual(kept, current["postgres"]) {
t.Error("the kept manifest is the current one: nothing is kept")
}
if laptop, _ := nodeOf(in.Input, "laptop"); len(laptop.Kept) != 0 || len(laptop.KeptBuilds) != 0 {
t.Errorf("laptop keeps what only anchor runs: %v", laptop.KeptBuilds)
}
// A person's push keeps nothing.
pushed, err := readComposeInput(ctx, open)
if err != nil {
t.Fatal(err)
}
if a, _ := nodeOf(pushed.Input, "anchor"); len(a.Kept) != 0 || len(a.KeptBuilds) != 0 {
t.Errorf("a person's push keeps %v", a.KeptBuilds)
}
}
// 1382/AC3: the seats on record, the tunnels, the adopted tunnel, its carried peers and the nodes joining equal the
// inventory's answers; the range and the suffix are read from the environment once, here.
func TestTheAdaptersInputCarriesTheNetworkAsTheInventoryHoldsIt(t *testing.T) {
open, _ := aMeshWithSecrets(t)
ctx := t.Context()
inv := open.inventory
t.Setenv(OverlayCIDRVar, "10.99.0.0/16")
t.Setenv("MESH_INTERNAL_SUFFIX", "mesh.test")
in, err := readComposeInput(ctx, open)
if err != nil {
t.Fatal(err)
}
holdings, err := inv.Holdings(ctx)
if err != nil {
t.Fatal(err)
}
if !reflect.DeepEqual(in.Holdings, holdings) {
t.Errorf("Holdings are %v, the inventory's %v", in.Holdings, holdings)
}
tunnels, err := inv.Tunnels(ctx)
if err != nil {
t.Fatal(err)
}
if len(tunnels) != len(in.Tunnels) {
t.Errorf("Tunnels are %v, the inventory's %v", in.Tunnels, tunnels)
}
if _, hub, _, err := inv.AdoptedTunnel(ctx); err != nil {
t.Fatal(err)
} else if (hub == "") != (in.Adopted == nil) {
t.Errorf("Adopted is %v, the inventory's hub is %q", in.Adopted, hub)
}
carried, err := inv.CarriedPeers(ctx)
if err != nil {
t.Fatal(err)
}
if len(carried) != len(in.CarriedPeers) {
t.Errorf("CarriedPeers are %v, the inventory's %v", in.CarriedPeers, carried)
}
joining, err := inv.NodesWithALiveToken(ctx)
if err != nil {
t.Fatal(err)
}
if len(joining) != len(in.Joining) {
t.Errorf("Joining is %v, the inventory's %v", in.Joining, joining)
}
if in.OverlayCIDR != "10.99.0.0/16" || in.InternalSuffix != "mesh.test" {
t.Errorf("the range and the suffix are %q and %q", in.OverlayCIDR, in.InternalSuffix)
}
// Read once: what the environment says afterwards moves nothing already read.
t.Setenv(OverlayCIDRVar, "10.1.0.0/16")
if in.OverlayCIDR != "10.99.0.0/16" {
t.Error("the range moved with the environment")
}
}
// The lead's equality finding (build 1792487777757012513): a provider on one machine serves a fact that says ${setting:domain},
// the setting is set for it, and a consumer on another machine takes that fact. The first pass of the adapter resolved every
// node with no settings in the Input, so the served fact could not be settled and the whole Input failed. The settings are in
// the Input before any node is resolved, and the Input builds, with the same plan for the consumer as the controller's own
// composition. It failed first, with the finding's words.
func TestAServedFactThatSaysASettingIsResolvedWithTheSettingInTheInput(t *testing.T) {
open := aMesh(t)
ctx := t.Context()
register(t, open, catalogue.Manifest{Module: "step-ca", Version: "1",
Provides: []catalogue.Offer{{Name: "acme-ca", Scope: catalogue.ScopeMesh}},
Serves: map[string]map[string]any{"acme-ca": {"domain": "${setting:domain}"}}})
register(t, open, catalogue.Manifest{Module: "route-proxy", Version: "1", Requires: []string{"acme-ca"}})
// The setting is there before the machines are assigned: an assignment resolves the mesh, and a served fact that says
// ${setting:domain} resolves only with it.
if err := open.inventory.KeepSettings(ctx, "", "step-ca", map[string]any{"domain": "example.test"}); err != nil {
t.Fatal(err)
}
if _, err := assign(ctx, open, "anchor", "step-ca"); err != nil {
t.Fatal(err)
}
if _, err := assign(ctx, open, "laptop", "route-proxy"); err != nil {
t.Fatal(err)
}
in, err := readComposeInput(ctx, open)
if err != nil {
t.Fatalf("the Input cannot be built: %v", err)
}
if anchor, _ := nodeOf(in.Input, "anchor"); len(anchor.Settings["step-ca"]) == 0 {
t.Fatalf("the Input does not carry the setting of the provider: %v", anchor.Settings)
}
oldPlan, _, err := resolveNode(ctx, open, "laptop")
if err != nil {
t.Fatal(err)
}
newPlan, _, err := resolveNode(withInputCache(ctx), open, "laptop")
if err != nil {
t.Fatalf("the consumer does not resolve: %v", err)
}
if !reflect.DeepEqual(oldPlan.Needs, newPlan.Needs) {
t.Errorf("the consumer's needs are %+v, the controller's own %+v", newPlan.Needs, oldPlan.Needs)
}
t.Logf("a served fact that says a setting resolves with the setting in the Input: the Input builds and the consumer's needs equal planFor's")
}
// A setting that nothing sets, in a fact a provider serves, is not the adapter's to hide: the controller's own composition
// refuses it as well (theRestOfTheMesh returns servedOnNode's error), and the adapter refuses with the same words rather than
// building an Input that composes a placeholder.
func TestAServedFactThatSaysAnUnsetSettingIsRefusedAsTheControllerRefusesIt(t *testing.T) {
open := aMesh(t)
ctx := t.Context()
register(t, open, catalogue.Manifest{Module: "step-ca", Version: "1",
Provides: []catalogue.Offer{{Name: "acme-ca", Scope: catalogue.ScopeMesh}},
Serves: map[string]map[string]any{"acme-ca": {"domain": "${setting:domain}"}}})
register(t, open, catalogue.Manifest{Module: "route-proxy", Version: "1", Requires: []string{"acme-ca"}})
// Assigned with the setting there, then the setting is cleared: the mesh the controller holds when someone clears it.
if err := open.inventory.KeepSettings(ctx, "", "step-ca", map[string]any{"domain": "example.test"}); err != nil {
t.Fatal(err)
}
if _, err := assign(ctx, open, "anchor", "step-ca"); err != nil {
t.Fatal(err)
}
if _, err := assign(ctx, open, "laptop", "route-proxy"); err != nil {
t.Fatal(err)
}
if err := open.inventory.ClearSettings(ctx, "", "step-ca"); err != nil {
t.Fatal(err)
}
_, _, oldErr := resolveNode(ctx, open, "laptop")
_, newErr := readComposeInput(ctx, open)
if (oldErr == nil) != (newErr == nil) {
t.Fatalf("the controller's composition says %v, the adapter says %v", oldErr, newErr)
}
if oldErr != nil && !strings.Contains(newErr.Error(), "nothing sets \"domain\"") {
t.Errorf("the adapter's words are %q, the controller's %q", newErr, oldErr)
}
t.Logf("an unset setting in a served fact is refused alike: the controller says %v, the adapter says %v", oldErr != nil, newErr != nil)
}
@@ -1,45 +0,0 @@
//go:build integration
package main
import (
"context"
"testing"
)
// Issue 1493: a module in the config form whose value is set only in mesh-config, with no settings row, reaches the
// node's settings in the composition's input.
func TestAConfigModuleWithoutASettingsRowIsReadFromConfig(t *testing.T) {
open := aMesh(t)
ctx := t.Context()
inv := open.inventory
register(t, open, configForm(t, "brother"))
if _, err := assign(ctx, open, "anchor", "brother"); err != nil {
t.Fatal(err)
}
inv.ExecForTest(t, `insert into config_move (moved_by, why) values ('a test', 'issue 1493')`)
inv.ReadsConfigFrom(func(_ context.Context, node, module string) (map[string]any, error) {
if node == "anchor" && module == "brother" {
return map[string]any{"level": "debug"}, nil
}
return nil, nil
})
in, _, err := readMeshAndNodes(ctx, open)
if err != nil {
t.Fatal(err)
}
if _, err := readSettings(ctx, open, &in); err != nil {
t.Fatal(err)
}
for _, n := range in.Nodes {
if n.Name != "anchor" {
continue
}
layers := n.Settings["brother"]
if len(layers) != 1 || layers[0].Values["level"] != "debug" {
t.Fatalf("anchor's settings for brother are %+v, want level debug from mesh-config", layers)
}
return
}
t.Fatal("no anchor node in the input")
}
@@ -1,45 +0,0 @@
package main
import (
"errors"
"reflect"
"testing"
"git.novox.be/novox/mesh-sdk/go/catalogue"
)
// configForm is a module in the config form, shaped as a real one (inventory's config_move_test).
func configForm(t *testing.T, name string) catalogue.Manifest {
t.Helper()
m, err := catalogue.ParseManifest([]byte(`{"module": "` + name + `", "version": "1",
"config": {"level": {"type": "string", "description": "how much it says", "default": "info"}},
"resources": [{"id": "conf", "type": "file", "path": "/etc/` + name + `.json", "mode": "0640",
"content": "{\"level\": \"info\"}", "merge": "json", "takes-config": ["level"]}]}`))
if err != nil {
t.Fatal(err)
}
return m
}
// Issue 1493: a module in the config form whose values are set only in mesh-config has no settings row, and its
// settings are still read, because SettingsFor is where mesh-config's values are laid in.
func TestSettingsAreReadForAConfigModuleWithoutASettingsRow(t *testing.T) {
shelf := map[string]catalogue.Manifest{
"brother": configForm(t, "brother"), // config only in mesh-config: no settings row
"older": {Module: "older", Version: "1"}, // settings form, with a row
"idle": {Module: "idle", Version: "1"}, // settings form, no row: nothing to read
"newer": configForm(t, "newer"), // config form, but the switch is off for it
}
have := map[string]bool{"older": true, "gone": true} // "gone" has a row and is not on the shelf
reads := func(module string) (bool, error) { return module == "brother", nil }
got, err := modulesToRead(shelf, have, reads)
if err != nil {
t.Fatal(err)
}
if want := []string{"brother", "older"}; !reflect.DeepEqual(got, want) {
t.Errorf("settings are read for %v, want %v", got, want)
}
if _, err := modulesToRead(shelf, have, func(string) (bool, error) { return false, errors.New("store down") }); err == nil {
t.Error("a failing ReadsConfig is not returned")
}
}
@@ -1,54 +0,0 @@
//go:build integration
package main
import (
"context"
"fmt"
"sort"
)
// made is what a send made in a store, by key and never by value: the machine ports given, the pair credentials and the
// own secrets.
type made struct {
Ports []string
Pairs []string
OwnSecrets []string
}
// madeIn is what a store holds that a send makes, by key and never by value.
func madeIn(ctx context.Context, open *stores) (made, error) {
var out made
inv := open.inventory
nodes, err := inv.Nodes(ctx)
if err != nil {
return out, err
}
for _, n := range nodes {
ports, err := inv.PortsFor(ctx, n.Name)
if err != nil {
return out, err
}
for _, p := range ports {
out.Ports = append(out.Ports, fmt.Sprintf("%s %s:%d->%d", n.Name, p.Module, p.Wanted, p.Machine))
}
rows, err := inv.SecretsFrom(ctx, n.Name)
if err != nil {
return out, err
}
for _, s := range rows {
out.Pairs = append(out.Pairs, fmt.Sprintf("%s %s on %s from %s local=%s", s.Name, s.ConsumerModule, s.Consumer, n.Name, s.Local))
}
}
own, err := inv.OwnSecretRows(ctx)
if err != nil {
return out, err
}
for _, r := range own {
out.OwnSecrets = append(out.OwnSecrets, fmt.Sprintf("%s %s/%s (%s)", r.Node, r.Module, r.Name, r.Origin))
}
sort.Strings(out.Ports)
sort.Strings(out.Pairs)
sort.Strings(out.OwnSecrets)
return out, nil
}
@@ -1,44 +0,0 @@
//go:build integration
package main
import (
"testing"
"git.novox.be/novox/mesh-sdk/go/compose"
)
// 1382/AC5: composing every node of one operation builds the Input once; without an operation's cache, once for each.
func TestComposingEveryNodeOfAnOperationBuildsTheInputOnce(t *testing.T) {
open, _ := aMeshWithSecrets(t)
built := 0
was := composeInputBuilt
composeInputBuilt = func() { built++ }
t.Cleanup(func() { composeInputBuilt = was })
ctx := withInputCache(t.Context())
nodes, err := open.inventory.Nodes(ctx)
if err != nil {
t.Fatal(err)
}
for _, n := range nodes {
if _, _, err := resolveNode(ctx, open, n.Name); err != nil && !unresolvable(err) {
t.Fatal(err)
}
if _, _, err := composeQuestion(ctx, open, n.Name, compose.Reading, false); err != nil && !unresolvable(err) {
t.Fatal(err)
}
}
if _, err := generatorsOf(ctx, open); err != nil {
t.Fatal(err)
}
if built != 1 {
t.Fatalf("an operation over %d node(s) built the Input %d time(s)", len(nodes), built)
}
built = 0
if _, _, err := resolveNode(t.Context(), open, nodes[0].Name); err != nil && !unresolvable(err) {
t.Fatal(err)
}
if built != 1 {
t.Fatalf("a composition with no cache built the Input %d time(s)", built)
}
}
-259
View File
@@ -1,259 +0,0 @@
package main
import (
"context"
"errors"
"fmt"
"io"
"os"
"slices"
"sort"
"strconv"
"strings"
"git.novox.be/novox/mesh-sdk/go/catalogue"
"git.novox.be/novox/mesh-sdk/go/compose"
"github.com/novox/mesh-controller/internal/inventory"
)
// perform makes what a composition named foreseen (novox/hq ADR 0453 clause 3, design 47 R4b, issue 1385).
//
// **The composition makes nothing; a send does.** mesh-sdk's composition over an Input names what the next send would make
// (the ports it would assign, the credentials it would seal, the core boxes it would ask the vault for, the seats it would
// pass on, the certificate it would issue) and stands in for each. A send composes, performs, reads the stores again and
// composes again (send in compose_sdk.go), and refuses to send a declaration that still names anything foreseen. A question
// (status, facts, probes, the merge gate's reading) never reaches this file.
//
// What is made is exactly what the controller's own composition made on the way to a declaration it was going to send:
// - every pair credential no row holds, for every machine that resolves, since planning one node resolved them all;
// - the seats the mesh passes on, with the hand act (not on a throwaway mesh, whose hand act has nowhere to go);
// - the machine ports the node's modules were given none for;
// - the node's own secrets, by the controller's own rules (a bus credential nobody issued was refused by the composition);
// - the core credentials, asked of the vault every send, so a rotated one reaches the machine;
// - the certificate of a machine that was never certified.
//
// perform returns whether it made or recorded anything: the reason the caller reads the stores again.
func perform(ctx context.Context, open *stores, in *meshInput, node string, d compose.Declared) (bool, error) {
did := false
inv := open.inventory
// The seats passed on: recorded in the store with the controller's own hand act (ADR 0449 §4, issue 1317).
if len(d.Passes.Passes) > 0 {
var w io.Writer = os.Stderr
if lw, ok := ctx.Value(leftOutKey{}).(io.Writer); ok {
w = lw
}
for _, line := range d.Passes.Said {
fmt.Fprintln(w, line)
}
if performSeatPasses(ctx, seatPassingOn(inv, w), d.Passes.Passes) {
did = true
}
}
// Every pair credential the stores hold none for: made once and kept, and sealed to both ends before it was ever written
// down. The error is the one planFor met: the machine that needs it, and why none could be made.
for _, p := range in.wouldMake {
if err := makePair(ctx, inv, p); err != nil {
return did, fmt.Errorf("%s on %s needs %s from %s and no credential could be made for it: %w",
p.ConsumerModule, p.Consumer, p.Name, p.Provider, err)
}
did = true
}
// The ports this node's modules were given none for.
if len(d.ForeseenPorts) > 0 {
shelf, err := inv.Catalogue(ctx)
if err != nil {
return did, err
}
for _, one := range d.ForeseenPorts {
module, port, ok := strings.Cut(one, ":")
wanted, perr := strconv.Atoi(port)
if !ok || perr != nil {
return did, fmt.Errorf("the composition named a port the controller cannot read: %q", one)
}
fixed := false
for _, l := range nodeShelf(in, shelf, node)[module].Listens {
if l.Port == wanted {
fixed = l.Fixed
}
}
if _, err := inv.PortFor(ctx, node, module, wanted, fixed); err != nil {
return did, fmt.Errorf("%s needs %d reachable on %s and it could not be assigned: %w", module, wanted, node, err)
}
did = true
}
}
// The node's own secrets: a module's superuser password, an administrator, an account. The composition refused what the
// send refuses (a bus credential nobody issued, a given value under an old key).
for _, one := range d.StoodIn {
module, name, ok := strings.Cut(one, "/")
if !ok || strings.Contains(one, " ") {
continue // a grant's sealed copy, the certificate or the bus's list: made below or by nobody
}
if _, err := inv.SecretForModule(ctx, node, module, name); err != nil {
return did, err
}
did = true
}
// The certificate of a machine that was never certified: issued and kept, with the authority when there is none yet.
for _, one := range d.StoodIn {
if strings.HasPrefix(one, "the certificate and the authority of ") {
if _, _, err := certificateFor(ctx, open, node); err != nil {
return did, err
}
did = true
break
}
}
return did, nil
}
// makePair makes one pair credential by the controller's own read of it: the credential for the pair, or the provider's one
// credential sealed to this consumer too. A credential only a person gives is never made (it is not a would-make).
func makePair(ctx context.Context, inv *inventory.Inventory, p inventory.PairCredential) error {
var err error
switch p.Kind {
case inventory.PairShared:
_, err = inv.SharedSecretFor(ctx, p.Name, p.Consumer, p.ConsumerModule, p.Provider, p.ProviderModule, p.Local, p.Own)
case inventory.PairPlain:
_, err = inv.SecretFor(ctx, p.Name, p.Consumer, p.ConsumerModule, p.Provider, p.Local)
default:
return errors.New("a credential only a person gives is not made")
}
if inventory.IsNotGiven(err) {
return nil
}
return err
}
// stillForeseen says what a composed declaration still stands in for: the lists the composition names, and the stand-in itself
// anywhere in the body (a pair credential's stand-in is not in any list). A declaration that has any is never sent.
func stillForeseen(d compose.Declared) []string {
var left []string
left = append(left, d.Foreseen...)
left = append(left, d.StoodIn...)
for _, p := range d.ForeseenPorts {
left = append(left, "the port "+p)
}
for _, c := range d.CoreBoxesWanted {
left = append(left, "the vault's box for "+c.Module+"/"+c.Name)
}
for _, p := range d.Passes.Passes {
left = append(left, "the pass of "+p.Seat.Name+" to "+p.To.Module+" on "+p.To.Node)
}
if body, err := d.Body(); err == nil {
for _, marker := range []string{catalogue.ForeseenSealed, "asked of the vault by the next send", compose.ForeseenCertificate,
compose.ForeseenBusUsers} {
if strings.Contains(string(body), marker) {
left = append(left, "a stand-in: "+marker)
}
}
}
sort.Strings(left)
return slicesCompact(left)
}
func slicesCompact(in []string) []string {
var out []string
for _, s := range in {
if len(out) == 0 || out[len(out)-1] != s {
out = append(out, s)
}
}
return out
}
// nodeShelf is the shelf as one node composes its own set: the current one with each module it keeps at the build it runs put
// in place of the current.
func nodeShelf(in *meshInput, shelf map[string]catalogue.Manifest, node string) map[string]catalogue.Manifest {
n, _ := nodeOf(in.Input, node)
return shelfWith(shelf, n.Kept)
}
// prepareSend is what a send does before it composes, every send and whatever the composition would have named: the
// controller's own composition did it on the way, so a module's file that names an own secret composes (mesh-sdk's
// composition can stand in for none: a file naming a secret not made yet is refused in every mode), and the core's credentials
// are asked of the vault on every send, so a rotated one reaches the machine and a silent vault is said (core_box.go).
//
// - Each own secret of a module the node runs (not one handed to the provisioner, not one issued outside the mesh, not one a
// person gives) that no row holds is made, unless the composition would refuse it (a bus credential nobody issued): that
// refusal is the composition's to say, in its words.
// - The core's credentials are asked of the vault, the boxes newly answered are kept, and the modules the vault did not answer
// for with no box kept are returned: the controller seals those itself until the vault holds them (ADR 0396).
func prepareSend(ctx context.Context, open *stores, node string) ([]string, error) {
in, err := inputFor(ctx, open)
if err != nil {
return nil, err
}
if in.refused[node] != nil {
return nil, nil // empty-on-error: refused alone for what it keeps; the composition that follows says so, in its words
}
resolved, err := compose.Resolve(in.Input, node)
if err != nil {
return nil, nil // empty-on-error: it does not compose for its own reasons; the composition that follows says them
}
n, _ := nodeOf(in.Input, node)
hands := n.Stated && n.Contract >= compose.HandedContract
handing := catalogue.Rendering{Hands: hands, Provisioner: provisionerAccount(resolved.Plan)}
inv := open.inventory
did := false
if n.SealingKey != "" {
held := map[string]bool{}
for _, r := range in.OwnSecrets {
// Held only when sealed to the key the machine has now, or given by a person (which is not the mesh's
// to make again): a made row under an old key is re-made, as SecretForModule did.
if r.Node == node && (r.SealedTo == n.SealingKey || r.Origin == inventory.OriginAccepted) {
held[r.Module+"/"+r.Name] = true
}
}
for _, m := range resolved.Plan.Modules {
if handing.Handing(m) {
continue
}
plain := m.OwnSecrets.Plain()
names := make([]string, 0, len(plain))
for name := range plain {
names = append(names, name)
}
sort.Strings(names)
for _, name := range names {
if plain[name].IssuedBy == catalogue.IssuedOutside || held[m.Module+"/"+name] {
continue
}
switch name {
case "broker":
if !slices.Contains(in.BusMinted, node+"."+m.Module) {
continue
}
case compose.ProvisionerSecret:
if !slices.Contains(in.BusMinted, "provisioner."+node) {
continue
}
}
if _, err := inv.SecretForModule(ctx, node, m.Module, name); err == nil {
did = true
}
}
}
}
var byController []string
if n.Stated && n.Contract >= compose.VaultBoxContract {
boxes, err := coreBoxesFor(ctx, inv, node, resolved.Plan.Modules, func(m catalogue.Manifest) bool {
return handing.Handing(m)
}, true)
if err != nil {
return nil, err
}
did = did || len(boxes.keep) > 0
byController = boxes.byController
}
if did {
// What was made is in the stores now: the composition reads them afresh.
forgetInput(ctx)
}
return byController, nil
}
@@ -1,235 +0,0 @@
//go:build integration
package main
import (
"errors"
"fmt"
"strings"
"testing"
"git.novox.be/novox/mesh-sdk/go/catalogue"
"git.novox.be/novox/mesh-sdk/go/compose"
"github.com/novox/mesh-controller/internal/link"
)
func aWebModule() catalogue.Manifest {
return catalogue.Manifest{Module: "web", Version: "1",
Listens: []catalogue.Listening{{Port: 8080, From: catalogue.FromEverywhere}},
OwnSecrets: catalogue.OwnSecrets{"admin": {Path: "/etc/web/admin"}},
Resources: []map[string]any{
{"id": "server", "type": "container", "name": "web", "ports": []any{"8080"},
"image": "registry.example/web@sha256:" + strings.Repeat("a", 64)},
}}
}
// 1385/AC1: a port the composition names foreseen is allocated with the inventory's PortFor for that module and port, a second
// composition names it no more, and the number is the one the controller's own Allocating composition gives in the same store.
func TestPerformAllocatesAForeseenPortAndTheNumberIsTheControllers(t *testing.T) {
open := aMesh(t)
ctx := t.Context()
register(t, open, aWebModule())
if _, err := assign(ctx, open, "laptop", "web"); err != nil {
t.Fatal(err)
}
in, err := readComposeInput(ctx, open)
if err != nil {
t.Fatal(err)
}
d, _, err := compose.ComposeIn(in.Input, "laptop", compose.Foreseeing)
if err != nil {
t.Fatal(err)
}
if len(d.ForeseenPorts) != 1 || d.ForeseenPorts[0] != "web:8080" {
t.Fatalf("the composition names the ports %v foreseen, want web:8080", d.ForeseenPorts)
}
did, err := perform(ctx, open, in, "laptop", d)
if err != nil || !did {
t.Fatalf("perform did %v: %v", did, err)
}
held, err := open.inventory.PortsFor(ctx, "laptop")
if err != nil || len(held) != 1 || held[0].Module != "web" || held[0].Wanted != 8080 {
t.Fatalf("the port perform allocated reads %+v: %v", held, err)
}
in, err = readComposeInput(ctx, open)
if err != nil {
t.Fatal(err)
}
if again, _, err := compose.ComposeIn(in.Input, "laptop", compose.Foreseeing); err != nil || len(again.ForeseenPorts) != 0 {
t.Fatalf("a second composition names %v foreseen: %v", again.ForeseenPorts, err)
}
// The number is the one the controller allocates in the same store.
plan, settings, err := resolveNode(ctx, open, "laptop")
if err != nil {
t.Fatal(err)
}
old, err := declarationFor(ctx, open, "laptop", plan, settings)
if err != nil {
t.Fatal(err)
}
after, _, err := compose.ComposeIn(in.Input, "laptop", compose.Foreseeing)
if err != nil {
t.Fatal(err)
}
if got, want := portsOf(after.Resources), portsOf(old.Resources); got != want {
t.Fatalf("the declaration publishes %s; the controller's allocation publishes %s", got, want)
}
}
func portsOf(resources []map[string]any) string {
var out []string
for _, r := range resources {
if r["type"] == "container" {
out = append(out, fmt.Sprint(r["name"], r["ports"]))
}
}
return strings.Join(out, ";")
}
// 1385/AC2: an own secret named foreseen is made with SecretForModule, and a pair credential the Input names would-make is
// made as planFor chose; both exist after the send's composition and a second composition names neither.
func TestPerformMakesTheOwnSecretsAndThePairCredentialsTheCompositionNamed(t *testing.T) {
open, _ := aMeshWithSecrets(t)
ctx := t.Context()
inv := open.inventory
register(t, open, aWebModule())
register(t, open, aConsumerOfTheBucket("reports"))
for _, m := range []string{"web", "reports"} {
if _, err := assign(ctx, open, "laptop", m); err != nil {
t.Fatal(err)
}
}
before, err := madeIn(ctx, open)
if err != nil {
t.Fatal(err)
}
declared, err := composeSend(ctx, open, "laptop")
if err != nil {
t.Fatalf("the send is refused: %v", err)
}
if len(declared.foreseen) != 0 {
t.Fatalf("the declaration still names %v foreseen", declared.foreseen)
}
after, err := madeIn(ctx, open)
if err != nil {
t.Fatal(err)
}
madeNow := func(have, was []string) []string {
seen := map[string]bool{}
for _, s := range was {
seen[s] = true
}
var out []string
for _, s := range have {
if !seen[s] {
out = append(out, s)
}
}
return out
}
if got := madeNow(after.OwnSecrets, before.OwnSecrets); len(got) != 1 || !strings.Contains(got[0], "web/admin") {
t.Errorf("the own secrets made are %v, want laptop web/admin", got)
}
if got := madeNow(after.Pairs, before.Pairs); len(got) != 1 || !strings.Contains(got[0], "reports") {
t.Errorf("the pair credentials made are %v, want the one of reports", got)
}
// And the credential is the one a second composition reads as held.
in, err := readComposeInput(ctx, open)
if err != nil {
t.Fatal(err)
}
if len(in.wouldMake) != 0 {
t.Errorf("after the send the next send would still make %v", in.wouldMake)
}
if _, err := inv.SecretsFrom(ctx, "anchor"); err != nil {
t.Fatal(err)
}
}
// 1385/AC3 (the lead's answer 1): with the vault unreachable and no box of the credential kept, the send carries the
// controller's own seal for it (ADR 0396), says so as a condition, and keeps no box.
func TestAVaultThatIsSilentSealsTheSendByTheControllerWhereNoBoxIsKept(t *testing.T) {
open, vault := aCoreMesh(t, link.VaultBoxContract)
vault.silent = errors.New("no responders")
declared, err := composeSend(t.Context(), open, "laptop")
if err != nil {
t.Fatalf("the send is refused: %v", err)
}
f := clientsBroker(declared.Resources)
if f == nil || f["sealed"] == nil || f[catalogue.VaultSealedField] != nil {
t.Fatalf("the core credential is composed as %v: the controller's own seal, until the vault holds it", f)
}
if len(declared.foreseen) != 0 {
t.Fatalf("the declaration still names %v foreseen", declared.foreseen)
}
if c, found := vaultSilence(t, "laptop"); !found || !strings.Contains(c.Summary, "sealed by the controller until the vault holds it") {
t.Fatalf("no condition says why: %+v", c)
}
kept, err := open.inventory.KeptCoreBoxes(t.Context(), "laptop")
if err != nil {
t.Fatal(err)
}
if len(kept["mesh-provisioner-client"]) != 0 {
t.Fatalf("a box was kept for a credential the vault never boxed: %v", kept)
}
}
// 1385/AC6: perform is idempotent: a second send's composition over the stores it left makes and records nothing.
func TestAFinishedSendMakesNothingTheSecondTime(t *testing.T) {
open, _ := aMeshWithSecrets(t)
ctx := t.Context()
register(t, open, aWebModule())
if _, err := assign(ctx, open, "laptop", "web"); err != nil {
t.Fatal(err)
}
if _, err := composeSend(ctx, open, "laptop"); err != nil {
t.Fatal(err)
}
before := tableState(t, open.inventory)
if _, err := composeSend(ctx, open, "laptop"); err != nil {
t.Fatal(err)
}
for k, v := range tableState(t, open.inventory) {
if before[k] != v {
t.Errorf("a second send of the same machine moved %s", k)
}
}
}
// Review round 1, finding 1: a machine that rejoined with a new sealing key keeps its made rows sealed to the old key. A
// send re-makes them for the new key, as SecretForModule did on main, and the file naming the secret is not refused.
func TestASendReMakesAnOwnSecretSealedToAKeyTheMachineNoLongerHas(t *testing.T) {
open := aMesh(t)
ctx := t.Context()
inv := open.inventory
register(t, open, aBot("bot", false))
if _, err := assign(ctx, open, "laptop", "bot"); err != nil {
t.Fatal(err)
}
if _, err := composeSend(ctx, open, "laptop"); err != nil {
t.Fatalf("the first send is refused: %v", err)
}
if err := inv.RecordSealingKey(ctx, nodeID(t, open, "laptop"), aPublicKey(t)); err != nil {
t.Fatal(err)
}
if _, err := composeSend(ctx, open, "laptop"); err != nil {
t.Fatalf("a machine that rejoined cannot be sent to: %v", err)
}
in, err := readComposeInput(ctx, open)
if err != nil {
t.Fatal(err)
}
n, _ := nodeOf(in.Input, "laptop")
found := false
for _, r := range in.OwnSecrets {
if r.Node == "laptop" && r.Module == "bot" && r.Name == "token" {
found = true
if r.SealedTo != n.SealingKey {
t.Fatalf("the own secret is still sealed to a key the machine no longer has")
}
}
}
if !found {
t.Fatal("the own secret has no row")
}
}
-502
View File
@@ -1,502 +0,0 @@
package main
import (
"bytes"
"context"
"encoding/json"
"fmt"
"io"
"os"
"slices"
"sort"
"strings"
"sync"
"git.novox.be/novox/mesh-sdk/go/catalogue"
"git.novox.be/novox/mesh-sdk/go/compose"
"git.novox.be/novox/mesh-sdk/go/validate"
"github.com/novox/mesh-controller/internal/inventory"
)
// The controller's composition on mesh-sdk's (novox/hq ADR 0453 clause 3, design 47 R4b, issues 1386 to 1388): every
// caller that planned or composed a node reads the Input once for its operation (compose_input.go), asks the SDK to
// compose over it, and, when it sends, performs what the composition names foreseen (compose_perform.go) and composes again.
// inputCacheKey carries an operation's Input in its context, so the planning of every node of one verb reads the stores once.
type inputCacheKey struct{}
type inputCache struct {
mu sync.Mutex
by map[string]*meshInput
}
// withInputCache is ctx for an operation: the Input read for it is kept until a send changes what it read. A context that
// carries none reads the stores for each composition, which is correct and slow.
func withInputCache(ctx context.Context) context.Context {
if _, ok := ctx.Value(inputCacheKey{}).(*inputCache); ok {
return ctx
}
return context.WithValue(ctx, inputCacheKey{}, &inputCache{by: map[string]*meshInput{}})
}
// freshInput is ctx for one composition whose Input is read afresh and kept only until the composition makes something: a
// send that is composed after another one made and recorded things (a push's machines, one after the other).
func freshInput(ctx context.Context) context.Context {
return context.WithValue(ctx, inputCacheKey{}, &inputCache{by: map[string]*meshInput{}})
}
// keptSignature is what the Input read depends on in ctx: which recorded modules each machine keeps at the build it runs
// (recorded_kept.go), so an Input read for a person's push is never taken for one read for a gated send.
func keptSignature(ctx context.Context) string {
skip, on := keptExcept(ctx)
var names []string
for m := range skip {
names = append(names, m)
}
sort.Strings(names)
every, _ := ctx.Value(keepEveryBuildKey{}).(string)
settings, _ := ctx.Value(keepForSettingsKey{}).(string)
return fmt.Sprintf("kept=%v;except=%v;every=%s;settings=%s", on, names, every, settings)
}
// inputFor is the Input for ctx's operation.
func inputFor(ctx context.Context, open *stores) (*meshInput, error) {
cache, ok := ctx.Value(inputCacheKey{}).(*inputCache)
if !ok {
return readComposeInput(ctx, open)
}
sig := keptSignature(ctx)
cache.mu.Lock()
defer cache.mu.Unlock()
if in := cache.by[sig]; in != nil {
return in, nil
}
in, err := readComposeInput(ctx, open)
if err != nil {
return nil, err
}
cache.by[sig] = in
return in, nil
}
// forgetInput drops what the operation read, because a send made or recorded something it read.
func forgetInput(ctx context.Context) {
if cache, ok := ctx.Value(inputCacheKey{}).(*inputCache); ok {
cache.mu.Lock()
cache.by = map[string]*meshInput{}
cache.mu.Unlock()
}
}
// resolveNode works out everything a node should run, from what was assigned to it (planFor on the SDK): over the Input,
// writing nothing. A failure to compose the node's own modules is marked notResolvable, as planFor marked it; every other
// failure is returned as it is.
func resolveNode(ctx context.Context, open *stores, node string) (catalogue.Resolution, catalogue.SettingsBy, error) {
in, err := inputFor(ctx, open)
if err != nil {
return catalogue.Resolution{}, nil, err
}
if err := in.refused[node]; err != nil {
return catalogue.Resolution{}, nil, err
}
resolved, err := compose.Resolve(in.Input, node)
if err != nil {
if compose.IsUnresolvable(err) {
return catalogue.Resolution{}, nil, notResolvable{err}
}
return catalogue.Resolution{}, nil, err
}
logUnheld(node, resolved.Plan.Unheld)
return resolved.Plan, resolved.Settings, nil
}
// generatorsOf is what every node's declaration is composed with, over the whole mesh (generators on the SDK).
func generatorsOf(ctx context.Context, open *stores) (map[string]catalogue.Generator, error) {
in, err := inputFor(ctx, open)
if err != nil {
return nil, err
}
return compose.Generators(in.Input)
}
// renderingOf is what a machine is rendered with as a question reads it (nothing made), with the private network: what the
// filter's rules, the roster and the like are derived from.
func renderingOf(ctx context.Context, open *stores, node string) (catalogue.Rendering, error) {
in, err := inputFor(ctx, open)
if err != nil {
return catalogue.Rendering{}, err
}
rendered, err := compose.Render(in.Input, node, compose.Reading)
if err != nil {
return catalogue.Rendering{}, markUnresolvable(err)
}
with := rendered.Rendering
if with.Generators, err = compose.Generators(in.Input); err != nil {
return catalogue.Rendering{}, err
}
return with, nil
}
// whoResolvesOn is the machines whose resolution answers a requirement, and why the others did not (whoResolves over the
// Input): by what a module provides, not by its name. A machine whose set does not compose is in refused, said; one the mesh
// could not be asked about is an error, never a refusal (novox/hq 04-ISSUES/152).
func whoResolvesOn(ctx context.Context, open *stores, requirement string) (map[string]bool, map[string]string, error) {
in, err := inputFor(ctx, open)
if err != nil {
return nil, nil, err
}
on := map[string]bool{}
refused := map[string]string{}
for _, n := range in.sortedNodes() {
if err := in.refused[n.Name]; err != nil {
return nil, nil, fmt.Errorf("whether %s answers %q cannot be read: %w", n.Name, requirement, err)
}
resolved, err := compose.Resolve(in.Input, n.Name)
switch {
case compose.IsUnresolvable(err):
refused[n.Name] = err.Error()
continue
case err != nil:
return nil, nil, fmt.Errorf("whether %s answers %q cannot be read: %w", n.Name, requirement, err)
}
for _, m := range resolved.Plan.Modules {
for _, offered := range m.Offers() {
if offered == requirement {
on[n.Name] = true
}
}
}
}
return on, refused, nil
}
// sortedNodes is the Input's nodes by name, the order the controller reads them in.
func (in *meshInput) sortedNodes() []compose.Node {
out := append([]compose.Node(nil), in.Nodes...)
sort.Slice(out, func(i, j int) bool { return out[i].Name < out[j].Name })
return out
}
// composeQuestion composes a node's declaration as a question asks it: nothing is made, and what a send would make is a
// stand-in (Foreseeing) or left out (Reading). It also answers what the node-engine's validator refuses of it. The lines the
// composition found are said where the controller says its own (standard error, or the writer an act gave).
//
// withOrder says the declaration carries the order it was last sent under (composedAndValidated's, which a comparison with the
// last send needs); without it the order is none, as declarationWith left it for the sender to stamp.
func composeQuestion(ctx context.Context, open *stores, node string, mode compose.Mode, withOrder bool) (sendable, []string, error) {
in, err := inputFor(ctx, open)
if err != nil {
return sendable{}, nil, err
}
if err := in.refused[node]; err != nil {
return sendable{}, nil, err
}
d, problems, err := compose.ComposeIn(in.Input, node, mode)
if err != nil {
return sendable{}, nil, markUnresolvable(err)
}
if err := refusedBus(in, node); err != nil {
return sendable{}, nil, err
}
sayFound(ctx, d)
out := sendableOf(d)
out.fileReferences = readsFileReferences(in.Input, node)
if !withOrder {
out.Sequence, out.Epoch, out.Generation = 0, 0, 0
}
return out, problems, nil
}
// refusedBus is why the node cannot be composed because it runs the bus and the bus's user list cannot be: no user has a
// credential, so the list would refuse every connection in the mesh (busUserList). The controller's own composition refused that
// machine with those words; no other machine is refused for it. nil when nothing refuses the node.
func refusedBus(in *meshInput, node string) error {
if in.busRefused == nil {
return nil
}
resolved, err := compose.Resolve(in.Input, node)
if err != nil {
return nil // it does not compose for its own reasons, which are said
}
for _, m := range resolved.Plan.Modules {
if m.BusUsers != "" && m.ClaimsSeat("mesh-broker") {
return in.busRefused
}
}
return nil
}
// markUnresolvable is an error of a node whose own set does not compose, as planFor marked it.
func markUnresolvable(err error) error {
if compose.IsUnresolvable(err) {
return notResolvable{err}
}
return err
}
// composeSend composes a node's declaration to send it, as the Allocating composition did: composed over what is read,
// then what it named foreseen is made (perform), the stores are read again and it is composed again. A declaration that
// still names anything foreseen is refused, said, and never sent.
func composeSend(ctx context.Context, open *stores, node string) (sendable, error) {
declared, _, err := composeSendValidated(ctx, open, node)
return declared, err
}
// composeSendValidated is composeSend and what the node-engine's validator refuses of the declaration it composed, for the
// merge gate's two passes (composedAndValidated in its Allocating mode).
func composeSendValidated(ctx context.Context, open *stores, node string) (sendable, []string, error) {
// The core modules whose credentials the controller sealed itself because the vault was silent and no box was kept
// (ADR 0396): the composition stands in a vault box for each, and a send carries the controller's own seal instead.
byController, err := prepareSend(ctx, open, node)
if err != nil {
return sendable{}, nil, err
}
for attempt := 0; ; attempt++ {
in, err := inputFor(ctx, open)
if err != nil {
return sendable{}, nil, err
}
if err := in.refused[node]; err != nil {
return sendable{}, nil, err
}
d, problems, err := compose.ComposeIn(in.Input, node, compose.Foreseeing)
if err != nil {
return sendable{}, nil, markUnresolvable(err)
}
if err := refusedBus(in, node); err != nil {
return sendable{}, nil, err
}
if len(byController) > 0 {
if d, problems, err = sealedByTheController(in, node, d, byController); err != nil {
return sendable{}, nil, err
}
}
left := stillForeseen(d)
resolved, rerr := compose.Resolve(in.Input, node)
if rerr != nil {
return sendable{}, nil, markUnresolvable(rerr)
}
if len(resolved.Foreseen) > 0 {
left = append(left, resolved.Foreseen...)
}
if len(left) == 0 && len(in.wouldMake) == 0 {
sayFound(ctx, d)
out := sendableOf(d)
out.fileReferences = readsFileReferences(in.Input, node)
// The sender stamps the order it allots (order.stamp); a composition for a send carries none of its own.
out.Sequence, out.Epoch, out.Generation = 0, 0, 0
here, _ := nodeOf(in.Input, node)
out.Builds = buildsOf(in.Input, here, resolved.Plan, d.LeftOutWhy)
out.Bindings = boundToData(resolved.Plan, d.LeftOutWhy)
if len(d.Filled) > 0 {
if out.plans, err = handedPlans(in, node, resolved); err != nil {
return sendable{}, nil, err
}
}
return out, problems, nil
}
if attempt > 0 {
return sendable{}, nil, fmt.Errorf("%s was composed twice and still names what only a send makes (%s): nothing is sent "+
"that stands in for a value", node, strings.Join(left, "; "))
}
if _, err := perform(ctx, open, in, node, d); err != nil {
return sendable{}, nil, err
}
// What was made is in the stores now: the next read is a fresh one.
forgetInput(ctx)
}
}
// restOfTheMesh is what every other machine holds and offers (theRestOfTheMesh over the Input), for a question: the lines it
// finds are said where the controller says its own, and a seat it would pass on is passed by the next send (perform), not by
// the question. shelf, when given, replaces the Input's catalogue: a caller composing a change's shelf.
func restOfTheMesh(ctx context.Context, open *stores, shelf map[string]catalogue.Manifest, exclude string) (catalogue.World, error) {
in, err := inputFor(ctx, open)
if err != nil {
return catalogue.World{}, err
}
input := in.Input
if shelf != nil {
input.Catalogue = shelf
}
world, passes, left, err := compose.TheRestOfTheMesh(input, exclude)
if err != nil {
return catalogue.World{}, err
}
var w io.Writer = os.Stderr
if lw, ok := ctx.Value(leftOutKey{}).(io.Writer); ok {
w = lw
}
for _, l := range left {
fmt.Fprintln(w, l.String())
}
for _, line := range passes.Said {
fmt.Fprintln(w, line)
}
return world, nil
}
// restOfTheMeshOf is restOfTheMesh for a caller that holds the inventory alone: the other stores the Input reads are opened for
// the call and let go of again.
func restOfTheMeshOf(ctx context.Context, inv *inventory.Inventory, shelf map[string]catalogue.Manifest, exclude string) (catalogue.World, error) {
open := &stores{inventory: inv}
defer func() {
if open.licences != nil {
open.licences.Close()
}
if open.identity != nil {
open.identity.Close()
}
}()
return restOfTheMesh(ctx, open, shelf, exclude)
}
// sayFound says the lines a composition found while composing, once each: a machine left out of the rest of the mesh, a seat
// that two claimants could take, the bus's users left out for want of a credential.
func sayFound(ctx context.Context, d compose.Declared) {
if len(d.Said) == 0 {
return
}
var w io.Writer = os.Stderr
if lw, ok := ctx.Value(leftOutKey{}).(io.Writer); ok {
w = lw
}
for _, line := range d.Said {
fmt.Fprintln(w, line)
}
}
// sendableOf is a composed declaration as the controller's sends know it.
func sendableOf(d compose.Declared) sendable {
out := sendable{Resources: compactKept(d.Resources), Sequence: d.Sequence, Epoch: d.Epoch, Generation: d.Generation,
ReadsModules: d.ReadsModules, moduleOf: d.ModuleOf, buildIDs: d.BuildIDs, modules: d.Modules,
localNetwork: d.LocalNetwork, Received: d.Received, Mesh: d.Mesh, BusUsers: d.BusUsers,
LeftOut: d.LeftOut, leftOutWhy: d.LeftOutWhy, withheld: d.Withheld, unbound: d.Unbound, foreseen: d.Foreseen,
unplaced: d.Unplaced, handedOnly: d.HandedOnly, Filled: d.Filled, Provisioner: d.Provisioner,
requiredBy: d.RequiredBy}
if d.Adoption != nil {
out.Adoption = &adoptionEnvelope{Taken: d.Adoption.Taken, Untaken: d.Adoption.Untaken}
}
return out
}
// buildsOf is the build of each module a declaration for the node carries, as a send records it (novox/hq issue 259): the
// module's current build for each module in it, the build it was last sent for one left out of it, and a module kept at the
// build the machine runs carried at that one (ADR 0245). Never nil.
func buildsOf(in compose.Input, node compose.Node, plan catalogue.Resolution, leftOut map[string]string) map[string]string {
before := node.SentBuilds
if !node.SentKnown {
before = nil
}
out := map[string]string{}
for _, m := range plan.Modules {
if _, left := leftOut[m.Module]; left {
if was, kept := before[m.Module]; kept {
out[m.Module] = was
}
continue
}
out[m.Module] = in.CurrentBuilds[m.Module]
}
for m, was := range node.KeptBuilds {
if _, carried := out[m]; carried {
out[m] = was
}
}
return out
}
// handedPlans is the plan of each module handed to the provisioner, which the assignments mirror keeps with the send (design
// 57 P6): the composition's declaration does not carry it, so it is composed from the same rendering again.
func handedPlans(in *meshInput, node string, resolved compose.Resolved) (map[string]catalogue.Plan, error) {
rendered, err := compose.Render(in.Input, node, compose.Foreseeing)
if err != nil {
return nil, err
}
gens, err := compose.Generators(in.Input)
if err != nil {
return nil, err
}
with := rendered.Rendering
with.Generators = gens
composed, err := resolved.Plan.Compose(with)
if err != nil {
return nil, err
}
return composed.Plans, nil
}
// sealedByTheController is the declaration with the controller's own seal in place of the vault's box for each core module the
// vault did not answer for and no box was kept for (core_box.go, ADR 0396): the file carries "sealed", as the controller's
// composition sent it, until the vault holds the credential. What the composition stood in for the box is replaced and no longer
// wanted; the validator is run again over the body.
func sealedByTheController(in *meshInput, node string, d compose.Declared, modules []string) (compose.Declared, []string, error) {
rendered, err := compose.Render(in.Input, node, compose.Foreseeing)
if err != nil {
return d, nil, err
}
stood, _ := compactBox(catalogue.ForeseenVaultBox)
var wanted []compose.CoreBoxWanted
var foreseen []string
for _, w := range d.CoreBoxesWanted {
if !slices.Contains(modules, w.Module) {
wanted = append(wanted, w)
continue
}
sealed := rendered.Rendering.Needed[w.Module][w.Name]
if sealed == "" {
return d, nil, fmt.Errorf("%s/%s on %s has no seal of the controller's to carry until the vault holds it", w.Module, w.Name, node)
}
for _, r := range d.Resources {
box, isBox := r[catalogue.VaultSealedField]
// By the resource's id alone: its path is the manifest's with the machine's words filled in, and so is not the
// manifest's own.
if !isBox || r["id"] != w.Module+"."+catalogue.NeedID(w.Name) {
continue
}
if had, err := compactBox(box); err != nil || had != stood {
continue
}
delete(r, catalogue.VaultSealedField)
r["sealed"] = sealed
}
}
// A stand-in box that is left is said by its resource, never sent and never guessed at.
for _, r := range d.Resources {
if box, has := r[catalogue.VaultSealedField]; has {
if had, err := compactBox(box); err == nil && had == stood {
if id, _ := r["id"].(string); slices.ContainsFunc(modules, func(m string) bool { return strings.HasPrefix(id, m+".") }) {
return d, nil, fmt.Errorf("%s on %s still carries a stand-in for the vault's box, and the controller has "+
"no seal of its own for it", id, node)
}
}
}
}
d.CoreBoxesWanted = wanted
for _, f := range d.Foreseen {
module, _, _ := strings.Cut(f, "/")
if !slices.Contains(modules, module) {
foreseen = append(foreseen, f)
}
}
d.Foreseen = foreseen
body, err := d.Body()
if err != nil {
return d, nil, err
}
return d, validate.Declaration(body), nil
}
// compactBox is a value as the compact JSON it marshals to, so a box is compared by what it says and not by the type that
// holds it.
func compactBox(v any) (string, error) {
raw, err := json.Marshal(v)
if err != nil {
return "", err
}
var out bytes.Buffer
if err := json.Compact(&out, raw); err != nil {
return "", err
}
return out.String(), nil
}
-111
View File
@@ -1,111 +0,0 @@
package main
import (
"context"
"reflect"
"strings"
"testing"
"git.novox.be/novox/mesh-sdk/go/catalogue"
"git.novox.be/novox/mesh-sdk/go/compose"
)
// A declaration as the SDK composes it is the one the controller sends, byte for byte, whatever it carries: the body is the
// envelope's only marshaller on either side (design 47 R4b, issue 1386).
func TestASendableIsTheComposedDeclarationByteForByte(t *testing.T) {
d := compose.Declared{
Resources: []map[string]any{{"id": "files.config", "type": "file"}, {"id": "mesh.hosts", "type": "file"}},
Sequence: 7, Epoch: 3, Generation: 9, ReadsModules: true,
ModuleOf: map[string]string{"files.config": "files"}, BuildIDs: map[string]string{"files": "b-1"},
Adoption: &compose.Adoption{Taken: []string{"files"}, Untaken: map[string][]string{"nats": {"nats.server"}}},
Filled: []string{"/etc/files/filled.json"}, Provisioner: "mesh-provisioner",
LeftOut: []string{"cache"}, LeftOutWhy: map[string]string{"cache": "a setting cannot compose"},
}
want, err := d.Body()
if err != nil {
t.Fatal(err)
}
got, err := sendableOf(d).Body()
if err != nil {
t.Fatal(err)
}
if string(got) != string(want) {
t.Fatalf("the controller would send\n%s\nand the composition made\n%s", got, want)
}
if empty, err := sendableOf(compose.Declared{}).Body(); err != nil || !strings.Contains(string(empty), `"owns_nothing":true`) {
t.Fatalf("an empty declaration is not deliberate: %s %v", empty, err)
}
}
// 1386: what a send records as carried: the current build of each module it carries, the build a module left out of it was last
// sent (when that is known), and a module kept at the build the machine runs at that one. (The controller's carriedOn recorded
// the same; mesh-sdk's node_test TestAModuleLeftOutKeepsTheBuildItWasLastSent holds the left-out case.)
func TestWhatASendRecordsAsCarriedIsWhatTheControllerRecorded(t *testing.T) {
plan := catalogue.Resolution{Modules: []catalogue.Manifest{{Module: "postgres"}, {Module: "files"}, {Module: "cache"}}}
leftOut := map[string]string{"cache": "a setting cannot compose"}
for name, c := range map[string]struct {
sent map[string]string
known bool
kept map[string]string
want map[string]string
}{
"nothing sent": {want: map[string]string{"postgres": "p2", "files": "f2"}},
"sent and kept": {sent: map[string]string{"postgres": "p1", "cache": "c1", "files": "f1"}, known: true,
kept: map[string]string{"postgres": "p1"}, want: map[string]string{"postgres": "p1", "files": "f2", "cache": "c1"}},
"sent but not known": {sent: map[string]string{"cache": "c1"}, want: map[string]string{"postgres": "p2", "files": "f2"}},
"kept a module not in": {known: true, kept: map[string]string{"mail": "m1"}, want: map[string]string{"postgres": "p2", "files": "f2"}},
} {
in := compose.Input{CurrentBuilds: map[string]string{"postgres": "p2", "files": "f2", "cache": "c2"}}
node := compose.Node{SentBuilds: c.sent, SentKnown: c.known, KeptBuilds: c.kept}
if got := buildsOf(in, node, plan, leftOut); !reflect.DeepEqual(got, c.want) {
t.Errorf("%s: a send records %v, want %v", name, got, c.want)
}
}
}
// 1385: a declaration that stands in for a value anywhere is still foreseen, in a list the composition names or in the body
// alone (a pair credential's stand-in is in no list); one that stands in for nothing is not. It failed first, before the body
// was scanned.
func TestADeclarationThatStandsInForAValueIsStillForeseen(t *testing.T) {
clean := compose.Declared{Resources: []map[string]any{{"id": "files.config", "type": "file", "content": "ok"}}}
if left := stillForeseen(clean); len(left) != 0 {
t.Fatalf("a declaration that stands in for nothing is foreseen: %v", left)
}
for name, d := range map[string]compose.Declared{
"an own secret": {StoodIn: []string{"files/admin"}},
"a port": {ForeseenPorts: []string{"files:80"}},
"a core box": {CoreBoxesWanted: []compose.CoreBoxWanted{{Node: "anchor", Module: "mesh-vault", Name: "root"}}},
"a pass of a seat": {Passes: compose.Passes{Passes: []catalogue.SeatPass{{Seat: catalogue.Seat{Name: "mesh-store"}}}}},
"a pair credential": {Resources: []map[string]any{{"id": "files.needs-db", "sealed": catalogue.ForeseenSealed}}},
"the certificate": {Resources: []map[string]any{{"id": "proxy.cert", "content": compose.ForeseenCertificate}}},
"the bus's list": {Resources: []map[string]any{{"id": "nats.users", "content": compose.ForeseenBusUsers}}},
"the vault's box": {Resources: []map[string]any{{"id": "x", "box": catalogue.ForeseenVaultBox}}},
} {
if left := stillForeseen(d); len(left) == 0 {
t.Errorf("%s: a declaration that stands in for it is not foreseen", name)
}
}
}
// 1386: an Input read for a person's push is never the one read for a send that keeps recorded builds, and the cache is
// emptied by what a send made.
func TestAnInputIsCachedPerWhatItKeepsAndForgottenAfterASend(t *testing.T) {
ctx := withInputCache(context.Background())
plain := keptSignature(ctx)
kept := keptSignature(keepingRecorded(ctx))
bus := keptSignature(keepingRecorded(ctx, "nats"))
every := keptSignature(keepingEveryBuild(ctx, "anchor"))
for name, sig := range map[string]string{"a push": plain, "a kept send": kept, "the bus step": bus, "the grants step": every} {
for other, o := range map[string]string{"a push": plain, "a kept send": kept, "the bus step": bus, "the grants step": every} {
if name != other && sig == o {
t.Errorf("%s and %s read the same Input", name, other)
}
}
}
cache := ctx.Value(inputCacheKey{}).(*inputCache)
cache.by[plain] = &meshInput{}
forgetInput(ctx)
if len(cache.by) != 0 {
t.Fatal("what a send made left the Input it read in the cache")
}
}
@@ -7,7 +7,7 @@ import (
"strings"
"testing"
"git.novox.be/novox/mesh-sdk/go/catalogue"
"github.com/novox/mesh-controller/internal/catalogue"
"github.com/novox/mesh-controller/internal/inventory"
"github.com/novox/mesh-controller/internal/link"
)
+1 -1
View File
@@ -6,7 +6,7 @@ import (
"strings"
"testing"
"git.novox.be/novox/mesh-sdk/go/catalogue"
"github.com/novox/mesh-controller/internal/catalogue"
"github.com/novox/mesh-controller/internal/inventory"
"github.com/novox/mesh-controller/internal/link"
)
+1 -1
View File
@@ -15,8 +15,8 @@ import (
"github.com/nats-io/nats.go"
"github.com/nats-io/nats.go/jetstream"
"git.novox.be/novox/mesh-sdk/go/catalogue"
"github.com/novox/mesh-controller/internal/broker"
"github.com/novox/mesh-controller/internal/catalogue"
"github.com/novox/mesh-controller/internal/inventory"
"github.com/novox/mesh-controller/internal/link"
)
@@ -13,8 +13,8 @@ import (
"testing"
"time"
"git.novox.be/novox/mesh-sdk/go/catalogue"
"git.novox.be/novox/mesh-sdk/go/overlay"
"github.com/novox/mesh-controller/internal/catalogue"
"github.com/novox/mesh-controller/internal/overlay"
)
func aConfiguredMesh(t *testing.T) (*stores, configuredMesh, map[string]map[string]any) {
+8 -4
View File
@@ -7,8 +7,8 @@ import (
"strings"
"testing"
"git.novox.be/novox/mesh-sdk/go/catalogue"
snapshot "git.novox.be/novox/mesh-sdk/go/facts"
"github.com/novox/mesh-controller/internal/catalogue"
snapshot "github.com/novox/mesh-controller/internal/facts"
"github.com/novox/mesh-controller/internal/link"
)
@@ -127,17 +127,21 @@ type snapshotFacts = snapshot.Facts
func toldEveryMachine(t *testing.T, open *stores, served map[string]map[string]any, on map[string][]string) map[string]string {
t.Helper()
ctx := t.Context()
gens, err := generators(ctx, open)
if err != nil {
t.Fatal(err)
}
shelf, err := open.inventory.Catalogue(ctx)
if err != nil {
t.Fatal(err)
}
told := map[string]string{}
for _, node := range fourMachines {
plan, _, err := resolveNode(ctx, open, node)
plan, settings, err := planFor(ctx, open, node)
if err != nil {
t.Fatalf("%s: %v", node, err)
}
with, err := madeAndRendered(ctx, open, node)
with, _, err := renderingFor(ctx, open, node, plan, settings, gens, Allocating)
if err != nil {
t.Fatalf("%s: %v", node, err)
}
@@ -1,65 +0,0 @@
package main
import (
"io"
"os"
"strings"
"testing"
"git.novox.be/novox/mesh-sdk/go/catalogue"
)
// Issue 1638 (novox/hq ADR 0480 clause 7), taken in with mesh-sdk's container `groups`: the controller sends a container's
// groups only to a node-engine that reports the capability container-groups, and holds the module on any other, naming it.
const n8nWithAGroup = `{"module":"n8n","version":"1",
"config":{"media-gid":{"type":"number","minimum":1,"required":true,"description":"the group that owns the media library"}},
"resources":[{"id":"server","type":"container","name":"n8n",
"image":"n8nio/n8n@sha256:4846eb2f4b874ab04cde7fc1e249d2ddaec66e9aea64439beb2972cfea88e3c0",
"groups":["${config:media-gid}"]}]}`
// printedBy runs reportUnhostable and returns what it printed.
func printedBy(t *testing.T, node string, plan catalogue.Resolution) string {
t.Helper()
stdout := os.Stdout
r, w, err := os.Pipe()
if err != nil {
t.Fatal(err)
}
os.Stdout = w
reportUnhostable(node, plan)
w.Close()
os.Stdout = stdout
out, _ := io.ReadAll(r)
return string(out)
}
// 1638/AC1: a node that reports the capability gets the module; one that does not has it held, the capability named.
func TestAModuleWithGroupsIsHeldOnANodeThatDoesNotReportTheCapability(t *testing.T) {
m, err := catalogue.ParseManifest([]byte(n8nWithAGroup))
if err != nil {
t.Fatal(err)
}
shelf := catalogue.Shelf{"n8n": m}
reads := catalogue.Node{Name: "ace", Capabilities: map[string]bool{"container-runtime": true, "container-groups": true}}
old := catalogue.Node{Name: "g14", Capabilities: map[string]bool{"container-runtime": true}}
got, err := catalogue.Resolve(shelf, []string{"n8n"}, reads, catalogue.World{})
if err != nil || len(got.Unhostable) != 0 || len(got.Modules) != 1 {
t.Fatalf("a node that reads groups: %v, held %+v", err, got.Unhostable)
}
if out := printedBy(t, "ace", got); out != "" {
t.Errorf("a node that reads groups was told: %q", out)
}
got, err = catalogue.Resolve(shelf, []string{"n8n"}, old, catalogue.World{})
if err != nil {
t.Fatal(err)
}
if len(got.Modules) != 0 || len(got.Unhostable) != 1 {
t.Fatalf("n8n was sent to a node that does not report container-groups: hosted %d, held %+v", len(got.Modules), got.Unhostable)
}
if out := printedBy(t, "g14", got); !strings.Contains(out, "n8n") || !strings.Contains(out, "container-groups") {
t.Errorf("the hold does not name the module and the capability: %q", out)
}
}
+18 -8
View File
@@ -13,9 +13,10 @@ import (
"sort"
"strings"
"git.novox.be/novox/mesh-sdk/go/catalogue"
"github.com/novox/mesh-controller/internal/catalogue"
"github.com/novox/mesh-controller/internal/conditions"
"github.com/novox/mesh-controller/internal/inventory"
"github.com/novox/mesh-controller/internal/link"
)
// The core's own credentials, sealed by the vault (novox/hq ADR 0349 §16, issue 755; the lead's decision on issue 755,
@@ -39,6 +40,15 @@ import (
// the vault and the machine, cleared by the first send the vault answers whole. Only a machine with no sealing key, or
// one whose key cannot be read, leaves its module out.
// engineOpensVaultBox says whether a machine's node-engine opens the vault's box, by its own newest statement.
func engineOpensVaultBox(ctx context.Context, inv *inventory.Inventory, node string) (bool, error) {
stated, had, err := inv.HealthOf(ctx, node)
if err != nil {
return false, err
}
return had && stated.Contract >= link.VaultBoxContract, nil
}
// coreAnswer is the vault's `get` answer as the controller reads it: the name, the generation and the box, never
// opened.
type coreAnswer struct {
@@ -111,7 +121,7 @@ func sealingKeyPEM(raw string) (string, error) {
// own seal where nothing was kept; on any other question, the kept box, or a stand-in the next send asks for. Pure: what to keep and what to
// say is answered, not done.
func coreBoxesOf(node, sealingKey string, core map[string][]string, kept map[string]map[string]inventory.CoreBox,
allocating bool, ask coreAsk) coreBoxes {
choosing Choosing, ask coreAsk) coreBoxes {
out := coreBoxes{sealed: map[string]map[string]json.RawMessage{}, notPlaced: map[string]string{}}
modules := make([]string, 0, len(core))
for m := range core {
@@ -133,7 +143,7 @@ func coreBoxesOf(node, sealingKey string, core map[string][]string, kept map[str
for _, name := range core[module] {
k, has := kept[module][name]
valid := has && k.SealedTo == sealingKey && len(k.Box) > 0
if !allocating {
if choosing != Allocating {
if valid {
boxes[name] = k.Box
} else {
@@ -208,10 +218,10 @@ var coreVault = func(ctx context.Context) coreAsk {
// coreBoxesFor is coreBoxesOf for one machine, read from and kept in the store, and said on a send.
func coreBoxesFor(ctx context.Context, inv *inventory.Inventory, node string, modules []catalogue.Manifest,
handed func(catalogue.Manifest) bool, allocating bool) (coreBoxes, error) {
handed func(catalogue.Manifest) bool, choosing Choosing) (coreBoxes, error) {
core := coreModulesOf(modules, handed)
if len(core) == 0 {
if allocating {
if choosing == Allocating {
settleVaultSilent(ctx, node)
}
return coreBoxes{}, nil
@@ -225,16 +235,16 @@ func coreBoxesFor(ctx context.Context, inv *inventory.Inventory, node string, mo
return coreBoxes{}, err
}
var ask coreAsk
if allocating {
if choosing == Allocating {
ask = coreVault(ctx)
}
out := coreBoxesOf(node, key, core, kept, allocating, ask)
out := coreBoxesOf(node, key, core, kept, choosing, ask)
for _, b := range out.keep {
if err := inv.KeepCoreBox(ctx, node, b); err != nil {
return coreBoxes{}, err
}
}
if allocating {
if choosing == Allocating {
sayVaultSilent(ctx, node, out)
}
return out, nil
@@ -10,8 +10,8 @@ import (
"testing"
"time"
"git.novox.be/novox/mesh-sdk/go/catalogue"
"github.com/novox/mesh-controller/internal/broker"
"github.com/novox/mesh-controller/internal/catalogue"
"github.com/novox/mesh-controller/internal/inventory"
"github.com/novox/mesh-controller/internal/link"
)
@@ -96,7 +96,7 @@ func TestASilentVaultHoldsTheKeptBoxAndSaysSo(t *testing.T) {
func TestACoreModuleFirstPlacedWhileTheVaultIsSilentIsSealedByTheController(t *testing.T) {
open, vault := aCoreMesh(t, link.VaultBoxContract)
vault.silent = errors.New("no responders")
plan, settings, err := resolveNode(t.Context(), open, "laptop")
plan, settings, err := planFor(t.Context(), open, "laptop")
if err != nil {
t.Fatal(err)
}
+7 -7
View File
@@ -8,8 +8,8 @@ import (
"strings"
"testing"
"git.novox.be/novox/mesh-sdk/go/catalogue"
"github.com/novox/mesh-controller/internal/broker"
"github.com/novox/mesh-controller/internal/catalogue"
"github.com/novox/mesh-controller/internal/conditions"
"github.com/novox/mesh-controller/internal/inventory"
)
@@ -68,7 +68,7 @@ func TestReplay908(t *testing.T) {
key := "AAECAwQFBgcICQoLDA0ODxAREhMUFRYXGBkaGxwdHh8="
core := map[string][]string{"nats": {"password"}}
ask := func(name, publicKey string) (coreAnswer, error) { return coreAnswer{}, errors.New("no responders") }
got := coreBoxesOf("novox", key, core, nil, true, ask)
got := coreBoxesOf("novox", key, core, nil, Allocating, ask)
if _, sealed := got.sealed["nats"]; sealed || len(got.notPlaced) != 0 {
t.Fatalf("nats is vault-sealed %v or not placed %v", got.sealed, got.notPlaced)
}
@@ -81,7 +81,7 @@ func TestReplay908(t *testing.T) {
}
// A kept box is still carried while the vault is silent.
kept := map[string]map[string]inventory.CoreBox{"nats": {"password": {SealedTo: key, Box: json.RawMessage(`{"v":1}`)}}}
got = coreBoxesOf("novox", key, core, kept, true, ask)
got = coreBoxesOf("novox", key, core, kept, Allocating, ask)
if string(got.sealed["nats"]["password"]) != `{"v":1}` || len(got.byController) != 0 {
t.Fatalf("the kept box was not held: %+v", got)
}
@@ -99,17 +99,17 @@ func TestOnlyASendAsksTheVault(t *testing.T) {
t.Fatal("the vault was asked by a question that is not a send")
return coreAnswer{}, nil
}
for _, allocating := range []bool{false} {
if got := coreBoxesOf("anchor", key, core, kept, allocating, never); string(got.sealed["nats"]["broker"]) != `{"v":1}` {
for _, choosing := range []Choosing{Reading, Foreseeing} {
if got := coreBoxesOf("anchor", key, core, kept, choosing, never); string(got.sealed["nats"]["broker"]) != `{"v":1}` {
t.Errorf("read %s", got.sealed["nats"]["broker"])
}
if got := coreBoxesOf("anchor", key, core, nil, allocating, never); string(got.sealed["nats"]["broker"]) !=
if got := coreBoxesOf("anchor", key, core, nil, choosing, never); string(got.sealed["nats"]["broker"]) !=
string(catalogue.ForeseenVaultBox) {
t.Errorf("with none kept, read %s", got.sealed["nats"]["broker"])
}
}
// A box kept for another key of the machine is never carried.
other := coreBoxesOf("anchor", aPublicKey(t), core, kept, true,
other := coreBoxesOf("anchor", aPublicKey(t), core, kept, Allocating,
func(string, string) (coreAnswer, error) { return coreAnswer{}, errors.New("silent") })
if _, vaultSealed := other.sealed["nats"]; vaultSealed || !reflect.DeepEqual(other.byController, []string{"nats"}) {
t.Fatalf("a box sealed to the machine's old key was carried: %+v", other)
@@ -6,7 +6,7 @@ import (
"strings"
"testing"
"git.novox.be/novox/mesh-sdk/go/catalogue"
"github.com/novox/mesh-controller/internal/catalogue"
"github.com/novox/mesh-controller/internal/inventory"
)
@@ -40,7 +40,7 @@ func TestAssigningAModuleThatSpeaksOnTheBusNamesItsCredential(t *testing.T) {
}
// And the push refuses to send it, naming the same verb, rather than sealing a placeholder.
plan, settings, err := resolveNode(ctx, open, "laptop")
plan, settings, err := planFor(ctx, open, "laptop")
if err != nil {
t.Fatal(err)
}
+3 -5
View File
@@ -14,7 +14,7 @@ import (
"github.com/nats-io/nats.go"
"git.novox.be/novox/mesh-sdk/go/catalogue"
"github.com/novox/mesh-controller/internal/catalogue"
"github.com/novox/mesh-controller/internal/conditions"
"github.com/novox/mesh-controller/internal/inventory"
"github.com/novox/mesh-controller/internal/link"
@@ -152,8 +152,6 @@ type consumerCopy struct {
// probeData is D13.
func probeData(ctx context.Context, d *doctor) ([]conditions.Observation, error) {
// One reading of the mesh for every machine this looks at.
ctx = withInputCache(ctx)
if d.js == nil {
return nil, errors.New("no bus to ask the machines over")
}
@@ -182,7 +180,7 @@ func probeData(ctx context.Context, d *doctor) ([]conditions.Observation, error)
}
var machines []*machine
for _, n := range nodes {
plan, _, err := resolveNode(ctx, open, n.Name)
plan, _, err := planFor(ctx, open, n.Name)
if err != nil {
if ctx.Err() != nil {
return nil, ctx.Err()
@@ -851,7 +849,7 @@ func deleteRetiredData(ctx context.Context, conn *nats.Conn, open *stores, r inv
return fmt.Errorf("%s of %s on %s was never measured, so where it is was never said; nothing was deleted",
r.Item, r.Module, r.Machine)
}
if plan, _, err := resolveNode(ctx, open, r.Machine); err == nil {
if plan, _, err := planFor(ctx, open, r.Machine); err == nil {
for _, m := range plan.Modules {
if _, still := m.DataItem(r.Item); still && m.Module == r.Module {
return fmt.Errorf("%s runs on %s again and declares %s: it is not retired any more. Nothing was done",
+1 -1
View File
@@ -8,8 +8,8 @@ import (
"testing"
"time"
"git.novox.be/novox/mesh-sdk/go/catalogue"
"github.com/novox/mesh-controller/internal/broker"
"github.com/novox/mesh-controller/internal/catalogue"
"github.com/novox/mesh-controller/internal/conditions"
"github.com/novox/mesh-controller/internal/inventory"
"github.com/novox/mesh-controller/internal/testbus"
+1 -1
View File
@@ -11,7 +11,7 @@ import (
"github.com/novox/mesh-controller/internal/link"
"git.novox.be/novox/mesh-sdk/go/catalogue"
"github.com/novox/mesh-controller/internal/catalogue"
"github.com/novox/mesh-controller/internal/conditions"
"github.com/novox/mesh-controller/internal/inventory"
)
+1 -1
View File
@@ -9,8 +9,8 @@ import (
"github.com/nats-io/nats.go"
"git.novox.be/novox/mesh-sdk/go/catalogue"
"github.com/novox/mesh-controller/internal/broker"
"github.com/novox/mesh-controller/internal/catalogue"
"github.com/novox/mesh-controller/internal/conditions"
"github.com/novox/mesh-controller/internal/link"
)
@@ -1,110 +0,0 @@
//go:build integration
package main
import (
"encoding/json"
"fmt"
"strings"
"testing"
"git.novox.be/novox/mesh-sdk/go/catalogue"
sdkdecl "git.novox.be/novox/mesh-sdk/go/declaration"
"git.novox.be/novox/mesh-sdk/go/overlay"
"git.novox.be/novox/mesh-sdk/go/compose"
)
// 1696/AC2, ADR 0486 §5: a node is sent a file by digest only when its profile reports the capability. A node whose profile lacks
// it, and a node the mesh has no profile of, are sent every content inline; a node that reports it is sent the reference. The test
// goes through composeQuestion and composeSend, the two places readsFileReferences is read (compose_sdk.go).
func TestAFileTravelsByDigestOnlyToANodeThatReportsTheCapability(t *testing.T) {
open := aMesh(t) // anchor and laptop report no file-references
ctx := t.Context()
big := strings.Repeat("0123456789abcdef", 8<<10) // 128 KiB
register(t, open, catalogue.Manifest{Module: "bigfile", Version: "1",
Resources: []map[string]any{{"id": "blob", "type": "file", "path": "/etc/bigfile/blob", "mode": "0644", "content": big}}})
// reader reports the capability; bare has never reported a profile at all.
for i, n := range []struct {
name string
profile map[string]any
}{
{"reader", map[string]any{"capabilities": []any{
map[string]any{"name": "container-runtime", "present": true},
map[string]any{"name": "systemd", "present": true},
map[string]any{"name": sdkdecl.FileReferencesCapability, "present": true}}}},
{"bare", nil},
} {
record, err := open.inventory.AddNode(ctx, n.name)
if err != nil {
t.Fatal(err)
}
if err := open.inventory.SetPlace(ctx, n.name, n.name+".example:51820", "here", false, fmt.Sprintf("10.77.0.%d", i+10)); err != nil {
t.Fatal(err)
}
if n.profile != nil {
if err := open.inventory.RecordProfile(ctx, record.ID, n.profile); err != nil {
t.Fatal(err)
}
}
if err := open.inventory.RecordSealingKey(ctx, record.ID, aPublicKey(t)); err != nil {
t.Fatal(err)
}
if err := open.inventory.RecordOverlayKey(ctx, record.ID, aPublicKey(t)); err != nil {
t.Fatal(err)
}
if _, err := open.inventory.Assign(ctx, n.name, overlay.Name); err != nil {
t.Fatal(err)
}
}
for _, node := range []string{"laptop", "reader", "bare"} {
if _, err := assign(ctx, open, node, "bigfile"); err != nil {
t.Fatalf("assign %s: %v", node, err)
}
}
byDigest := map[string]bool{"laptop": false, "bare": false, "reader": true}
for node, want := range byDigest {
asked, _, err := composeQuestion(ctx, open, node, compose.Reading, false)
if err != nil {
t.Fatalf("%s: %v", node, err)
}
sent, err := composeSend(ctx, open, node)
if err != nil {
t.Fatalf("%s: %v", node, err)
}
for what, s := range map[string]sendable{"question": asked, "send": sent} {
if s.fileReferences != want {
t.Fatalf("%s, %s: fileReferences %v, want %v", node, what, s.fileReferences, want)
}
body, err := s.Body()
if err != nil {
t.Fatal(err)
}
var got struct {
Resources []map[string]any `json:"resources"`
}
if err := json.Unmarshal(body, &got); err != nil {
t.Fatal(err)
}
var found bool
for _, r := range got.Resources {
if r["path"] != "/etc/bigfile/blob" {
continue
}
found = true
inline := r["content"] == big
if want && (inline || r["digest"] == nil || r["size"] == nil) {
t.Fatalf("%s, %s: a node that reads references is sent the content inline", node, what)
}
if !want && (!inline || r["digest"] != nil) {
t.Fatalf("%s, %s: a node that does not report the capability is sent a reference", node, what)
}
}
if !found {
t.Fatalf("%s, %s: the file is not in the declaration", node, what)
}
}
}
}
-253
View File
@@ -1,253 +0,0 @@
package main
import (
"context"
"encoding/json"
"errors"
"fmt"
"sort"
"sync"
"git.novox.be/novox/mesh-sdk/go/compose"
sdkdecl "git.novox.be/novox/mesh-sdk/go/declaration"
"github.com/nats-io/nats.go"
"github.com/nats-io/nats.go/jetstream"
"github.com/novox/mesh-controller/internal/broker"
"github.com/novox/mesh-controller/internal/conditions"
)
// **A declaration's large files travel by their digest to a node that can read one** (novox/hq ADR 0486 §1, §5, issue 1696).
//
// The declaration to a node that reports sdkdecl.FileReferencesCapability carries, in place of the content of every
// file resource of more than sdkdecl.FileReferenceThreshold bytes that may travel so (File.TravelsByDigest: plain content or
// bytes, not sealed, not filled with secrets, not written into another file), its sha256 digest and size. The content is put
// into the bucket of the bus under the hex of the digest before the declaration is sent. A node that does not report the
// capability is sent every content inline, as before: an older node-engine refuses a field it does not know, whole.
// readsFileReferences says the node reports the capability of reading a file given by digest (ADR 0486 §5). A node the mesh has
// no profile of reads none.
func readsFileReferences(in compose.Input, node string) bool {
n, ok := nodeOf(in, node)
return ok && n.Capabilities[sdkdecl.FileReferencesCapability]
}
// referencing is the resources as a node that reads references is sent them, and the content of each file that went by
// digest, by the name of its object (the hex of its digest). The resources it is given are not changed. A file that does not
// travel by digest is passed as it is.
func referencing(resources []map[string]any) ([]map[string]any, map[string][]byte, error) {
out := make([]map[string]any, len(resources))
var objects map[string][]byte
for i, r := range resources {
out[i] = r
if kind, _ := r["type"].(string); kind != string(sdkdecl.TypeFile) {
continue
}
// Cheap first: only a file with a content or bytes of the size is worth reading whole.
content, _ := r["content"].(string)
bytesField, _ := r["bytes"].(string)
if len(content) <= sdkdecl.FileReferenceThreshold && len(bytesField) <= sdkdecl.FileReferenceThreshold {
continue
}
raw, err := json.Marshal(r)
if err != nil {
return nil, nil, fmt.Errorf("resource %v: %w", r["id"], err)
}
var f sdkdecl.File
if err := json.Unmarshal(raw, &f); err != nil {
return nil, nil, fmt.Errorf("resource %v is not a file the controller can read: %w", r["id"], err)
}
if !f.TravelsByDigest() {
continue
}
ref, body, err := f.AsReference()
if err != nil {
return nil, nil, err
}
name, err := sdkdecl.ObjectName(ref.Digest)
if err != nil {
return nil, nil, err
}
with := make(map[string]any, len(r)+2)
for k, v := range r {
with[k] = v
}
delete(with, "content")
delete(with, "bytes")
with["digest"], with["size"] = ref.Digest, ref.Size
out[i] = with
if objects == nil {
objects = map[string][]byte{}
}
objects[name] = body
}
return out, objects, nil
}
// namedObjects are the objects of the bucket a body names: the object name of every file resource given by reference,
// with its size. It reads a declaration as the node does, so it also reads the latest one the bus holds.
func namedObjects(body []byte) (map[string]int64, error) {
var envelope struct {
Resources []struct {
Type string `json:"type"`
Digest string `json:"digest"`
Size int64 `json:"size"`
} `json:"resources"`
}
if err := json.Unmarshal(body, &envelope); err != nil {
return nil, err
}
var out map[string]int64
for _, r := range envelope.Resources {
if r.Type != string(sdkdecl.TypeFile) || r.Digest == "" {
continue
}
name, err := sdkdecl.ObjectName(r.Digest)
if err != nil {
return nil, err
}
if out == nil {
out = map[string]int64{}
}
out[name] = r.Size
}
return out, nil
}
// objectStore is what putting the objects needs of a node's bucket.
type objectStore interface {
// Has says whether an object of that name is there, complete, and whether it carries the sweep's mark of being named by no
// node's latest declaration.
Has(ctx context.Context, name string) (have, marked bool, err error)
// Put writes the object under that name, replacing one of the same name (and so erasing its mark).
Put(ctx context.Context, name string, content []byte) error
}
// putObjects makes sure every object of the declaration is in the bucket before the declaration that names it is sent: a node
// that reads the declaration finds each object. An object already there (the same content, the same name) is not written again,
// **unless the sweep marked it unnamed**: then it is written again, so the mark that would have it removed is gone with the
// old object (issue 1696, review: a mark read just before a send must not take an object the send relies on). Refuses on the
// first it cannot put, naming it, so the declaration is not sent.
func putObjects(ctx context.Context, store objectStore, objects map[string][]byte) error {
names := make([]string, 0, len(objects))
for name := range objects {
names = append(names, name)
}
sort.Strings(names)
for _, name := range names {
have, marked, err := store.Has(ctx, name)
if err != nil {
return fmt.Errorf("whether the object %s is in the bucket: %w", name[:12], err)
}
if have && !marked {
continue
}
if err := store.Put(ctx, name, objects[name]); err != nil {
return fmt.Errorf("putting the object %s (%d bytes) in the bucket: %w", name[:12], len(objects[name]), err)
}
}
return nil
}
// busObjects is a node's bucket on the controller's own connection.
type busObjects struct{ store jetstream.ObjectStore }
// openBucket opens the bucket of a node's files, making it first if it is not there (it is asserted for every node at the
// controller's start; a node adopted since is covered here).
func openBucket(ctx context.Context, conn *nats.Conn, node string) (busObjects, error) {
js, err := jetstream.New(conn)
if err != nil {
return busObjects{}, err
}
bucket, err := broker.DeclarationFilesBucketOf(node)
if err != nil {
return busObjects{}, fmt.Errorf("the object bucket of node %q: %w", node, err)
}
store, err := js.ObjectStore(ctx, bucket)
if errors.Is(err, jetstream.ErrBucketNotFound) {
if err = broker.EnsureDeclarationFiles(ctx, js, node); err == nil {
store, err = js.ObjectStore(ctx, bucket)
}
}
if err != nil {
return busObjects{}, fmt.Errorf("the object bucket %s: %w", bucket, err)
}
return busObjects{store}, nil
}
func (b busObjects) Has(ctx context.Context, name string) (bool, bool, error) {
info, err := b.store.GetInfo(ctx, name)
switch {
case errors.Is(err, jetstream.ErrObjectNotFound):
return false, false, nil
case err != nil:
return false, false, err
}
_, marked := info.Metadata[declarationUnnamed]
return !info.Deleted, marked, nil
}
func (b busObjects) Put(ctx context.Context, name string, content []byte) error {
_, err := b.store.PutBytes(ctx, name, content)
return err
}
// filesLocks hold a node's bucket for one act at a time in this process: a send puts its objects and publishes the declaration that
// names them under the node's lock, and the sweep judges the node's bucket under the same one, so the sweep never removes an
// object between a send's put and its declaration. Another process (a person's push) is covered by the put erasing a mark and by
// the sweep looking at an object again just before it removes it.
var filesLocks sync.Map
func lockFilesOf(node string) func() {
l, _ := filesLocks.LoadOrStore(node, &sync.Mutex{})
mu := l.(*sync.Mutex)
mu.Lock()
return mu.Unlock
}
// kindFilesNotPut is a node whose files that travel by digest could not be put in its bucket, send after send.
const kindFilesNotPut = "declaration-files-not-put"
// filesNotPutAfter is how many sends in a row may fail to put before the condition is raised: the first send to the machine holding
// the bus fails for want of the grant that very send delivers, and says so, and is not yet a fault.
const filesNotPutAfter = 2
var (
filesFailMu sync.Mutex
filesFailed = map[string]int{}
)
func filesNotPutObservation(node, summary string) conditions.Observation {
return conditions.Observation{Scope: conditions.ScopeMachine, ID: node, Kind: kindFilesNotPut, Token: kindFilesNotPut,
Machine: node, Severity: conditions.Warning, Source: "sends", Summary: summary}
}
// notePut records how putting a send's objects went: a failure counts, the second in a row raises the condition, a success
// clears the count and the condition.
func notePut(ctx context.Context, node string, put error) {
filesFailMu.Lock()
if put == nil {
delete(filesFailed, node)
} else {
filesFailed[node]++
}
n := filesFailed[node]
filesFailMu.Unlock()
keeper := conditionsFrom
if keeper == nil {
return
}
key := filesNotPutObservation(node, "").Key()
switch {
case put == nil:
if _, err := keeper.Clear(ctx, key, node+" was sent its files by digest"); err != nil {
fmt.Printf("the condition %s could not be cleared: %v\n", key, err)
}
case n >= filesNotPutAfter:
summary := fmt.Sprintf("%s's files that travel by digest could not be put in its bucket %d sends in a row, so it is sent them "+
"inline: %v", node, n, put)
if _, err := keeper.Observe(ctx, filesNotPutObservation(node, summary)); err != nil {
fmt.Printf("the condition %s could not be raised: %v\n", key, err)
}
}
}
@@ -1,246 +0,0 @@
//go:build integration
package main
import (
"bytes"
"context"
"encoding/json"
"strings"
"testing"
"time"
sdkdecl "git.novox.be/novox/mesh-sdk/go/declaration"
"github.com/nats-io/nats.go"
"github.com/nats-io/nats.go/jetstream"
"github.com/novox/mesh-controller/internal/broker"
"github.com/novox/mesh-controller/internal/link"
"github.com/novox/mesh-controller/internal/testbus"
)
type sigOf struct{}
func (sigOf) Sign(context.Context, []byte) ([]byte, error) { return make([]byte, 64), nil }
// 1696/AC7 (ADR 0486 §1): on a real bus with its default largest message of 1 MiB, a declaration whose files add up to more than
// 3 MiB is sent as references, its objects are in the bucket, each fetched back whole and verified against the digest and size the
// declaration names; the same declaration inline is refused by the controller, naming size and limit. A changed byte in an object
// fails the verification.
func TestADeclarationOfMoreThanThreeMiBIsSentByReferenceOnARealBus(t *testing.T) { // 1696/AC7
s := testbus.Start(t)
conn, err := nats.Connect(s.ClientURL())
if err != nil {
t.Fatal(err)
}
defer conn.Close()
nc, err := conn.JetStream()
if err != nil {
t.Fatal(err)
}
if _, err := nc.AddStream(&nats.StreamConfig{Name: "NODES", Subjects: []string{"mesh.node.*.declare"},
MaxMsgsPerSubject: 1}); err != nil {
t.Fatal(err)
}
ctx, cancel := context.WithTimeout(context.Background(), 60*time.Second)
defer cancel()
api, err := jetstream.New(conn)
if err != nil {
t.Fatal(err)
}
if err := broker.EnsureDeclarationFiles(ctx, api, "novox"); err != nil {
t.Fatal(err)
}
// Run twice: an assertion of an existing bucket is no error and no change.
if err := broker.EnsureDeclarationFiles(ctx, api, "novox"); err != nil {
t.Fatalf("asserting the bucket again: %v", err)
}
var resources []map[string]any
for i := 0; i < 3; i++ {
resources = append(resources, aFileResource("big-"+string(rune('a'+i)), contentOf("big"+string(rune('a'+i)), 1200<<10)))
}
resources = append(resources, aFileResource("small", "tiny\n"))
inline := sendable{Resources: resources}
byDigest := sendable{fileReferences: true, Resources: resources}
bus := link.OverNATS{Conn: conn, JS: nc}
body, err := inline.Body()
if err != nil {
t.Fatal(err)
}
if err := link.Declare(ctx, bus, sigOf{}, "novox", body, 5*time.Second); err == nil ||
!strings.Contains(err.Error(), "1048576") || strings.Contains(err.Error(), "maximum payload exceeded") {
t.Fatalf("the inline declaration of more than 3 MiB: %v", err)
}
bucket, err := openBucket(ctx, conn, "novox")
if err != nil {
t.Fatal(err)
}
objects, err := byDigest.objects()
if err != nil || len(objects) != 3 {
t.Fatalf("objects: %d %v", len(objects), err)
}
if err := putObjects(ctx, bucket, objects); err != nil {
t.Fatal(err)
}
if err := putObjects(ctx, bucket, objects); err != nil {
t.Fatalf("putting them again: %v", err)
}
refBody, err := byDigest.Body()
if err != nil {
t.Fatal(err)
}
if err := link.Declare(ctx, bus, sigOf{}, "novox", refBody, 5*time.Second); err != nil {
t.Fatalf("the declaration by reference: %v", err)
}
// What the stream holds for the node is the reference form, and it names exactly the three objects.
latest, err := latestDeclarations(ctx, conn, []string{"novox", "ace"})
if err != nil || len(latest) != 1 {
t.Fatalf("the latest declarations: %v %v", len(latest), err)
}
named, err := namedByLatest("novox", latest["novox"])
if err != nil || len(named) != 3 {
t.Fatalf("what the latest declaration names: %v %v", named, err)
}
novoxBucket, err := broker.DeclarationFilesBucketOf("novox")
if err != nil {
t.Fatal(err)
}
store, err := api.ObjectStore(ctx, novoxBucket)
if err != nil {
t.Fatal(err)
}
var envelope struct {
Resources []sdkdecl.File `json:"resources"`
}
if err := json.Unmarshal(refBody, &envelope); err != nil {
t.Fatal(err)
}
for _, f := range envelope.Resources {
if !f.IsReference() {
continue
}
name, _ := sdkdecl.ObjectName(f.Digest)
got, err := store.GetBytes(ctx, name)
if err != nil {
t.Fatalf("the object of %s: %v", f.ID, err)
}
if err := f.Verify(got); err != nil {
t.Errorf("the object does not verify: %v", err)
}
got[len(got)/2] ^= 1
if err := f.Verify(got); err == nil {
t.Errorf("a changed byte in the object of %s passed the verification", f.ID)
}
}
// The sweep against the real bucket: all named, nothing marked; a fourth object named by none is marked, kept a day less a
// minute, and removed at the day.
extra := bytes.Repeat([]byte("x"), 100)
extraName := strings.Repeat("e", 64)
if err := putObjects(ctx, bucket, map[string][]byte{extraName: extra}); err != nil {
t.Fatal(err)
}
b := busSweptBucket{store}
t0 := time.Now()
if r, err := sweepDeclarationFiles(ctx, b, named, t0); err != nil || r.Marked != 1 || r.Removed != 0 || r.Kept != 3 {
t.Fatalf("first sweep: %+v %v", r, err)
}
if r, err := sweepDeclarationFiles(ctx, b, named, t0.Add(24*time.Hour-time.Minute)); err != nil || r.Removed != 0 {
t.Fatalf("a minute short of a day: %+v %v", r, err)
}
if r, err := sweepDeclarationFiles(ctx, b, named, t0.Add(24*time.Hour+time.Second)); err != nil || r.Removed != 1 {
t.Fatalf("a day after: %+v %v", r, err)
}
if infos, err := store.List(ctx); err != nil || len(infos) != 3 {
t.Fatalf("the bucket holds %d objects (%v), want the 3 the declaration names", len(infos), err)
}
}
// 1696/AC8 on a real bucket: the sweep removes an object only if it still carries the mark it judged it by. An object marked
// unnamed, then put again by a send (which erases the mark), is kept when the sweep deletes it by the old mark.
func TestTheSweepsDeleteLeavesAnObjectASendPutAgainAfterItWasMarked(t *testing.T) { // 1696/AC8
s := testbus.Start(t)
conn, err := nats.Connect(s.ClientURL())
if err != nil {
t.Fatal(err)
}
defer conn.Close()
ctx, cancel := context.WithTimeout(context.Background(), 60*time.Second)
defer cancel()
bucket, err := openBucket(ctx, conn, "novox")
if err != nil {
t.Fatal(err)
}
name := strings.Repeat("a", 64)
content := map[string][]byte{name: bytes.Repeat([]byte("y"), 100)}
if err := putObjects(ctx, bucket, content); err != nil {
t.Fatal(err)
}
b := busSweptBucket{bucket.store}
judged := time.Now().Add(-25 * time.Hour).Truncate(time.Second)
if err := b.MarkUnnamed(ctx, name, judged); err != nil {
t.Fatal(err)
}
if _, marked, err := bucket.Has(ctx, name); err != nil || !marked {
t.Fatalf("the object was not marked: %v %v", marked, err)
}
// The sweep has read the mark; a send now puts the object again, which erases it.
if err := putObjects(ctx, bucket, content); err != nil {
t.Fatal(err)
}
if have, marked, err := bucket.Has(ctx, name); err != nil || !have || marked {
t.Fatalf("a send did not put the marked object again: have %v marked %v %v", have, marked, err)
}
gone, err := b.Delete(ctx, name, judged)
if err != nil || gone {
t.Fatalf("the sweep deleted by an old mark: gone %v, %v", gone, err)
}
if have, _, err := bucket.Has(ctx, name); err != nil || !have {
t.Fatalf("the object a send relies on is gone: %v %v", have, err)
}
// And the mark still on it is honoured: marked again and deleted by that mark, it goes.
if err := b.MarkUnnamed(ctx, name, judged); err != nil {
t.Fatal(err)
}
if gone, err := b.Delete(ctx, name, judged); err != nil || !gone {
t.Fatalf("an object still carrying the mark it was judged by is kept: gone %v, %v", gone, err)
}
}
// 1696/AC9 on a real bus: the sweep of a node's bucket takes the node's lock first, so it waits for a send that has put its objects
// and not yet published the declaration that names them.
func TestTheSweepOfANodesBucketHoldsTheNodesLock(t *testing.T) { // 1696/AC9
s := testbus.Start(t)
conn, err := nats.Connect(s.ClientURL())
if err != nil {
t.Fatal(err)
}
defer conn.Close()
ctx, cancel := context.WithTimeout(context.Background(), 60*time.Second)
defer cancel()
const node = "sweep-lock-node"
if _, err := openBucket(ctx, conn, node); err != nil { // the bucket exists, or the sweep would return before the lock
t.Fatal(err)
}
release := lockFilesOf(node) // a send is between its put and its publication
done := make(chan struct{})
go func() {
_, _ = sweepNode(ctx, conn, node)
close(done)
}()
select {
case <-done:
t.Fatal("the sweep judged the node's bucket while a send held it")
case <-time.After(300 * time.Millisecond):
}
release()
select {
case <-done:
case <-time.After(20 * time.Second):
t.Fatal("the sweep did not go on once the send let go")
}
}
@@ -1,534 +0,0 @@
package main
import (
"context"
"encoding/base64"
"encoding/hex"
"encoding/json"
"errors"
"fmt"
"strings"
"testing"
"time"
sdkdecl "git.novox.be/novox/mesh-sdk/go/declaration"
"github.com/novox/mesh-controller/internal/conditions"
"github.com/novox/mesh-controller/internal/link"
)
// contentOf is a deterministic content of n bytes that does not compress to nothing and holds no character JSON escapes.
func contentOf(seed string, n int) string {
var b strings.Builder
for i := 0; b.Len() < n; i++ {
fmt.Fprintf(&b, "%s-%07d-%x;", seed, i, i*2654435761%1000003)
}
return b.String()[:n]
}
func aFileResource(id, content string) map[string]any {
return map[string]any{"id": id, "type": "file", "path": "/etc/" + id, "mode": "0644", "content": content}
}
// controlNodeShape is a declaration shaped like the control node's on 2026-10-21 (issue 1689), the sizes measured then: a bus users
// file of 252,678 bytes, the vault's export of 138,475 bytes (compact), the tool runtime 21 KB, the packet filter 19 KB, the launcher
// 14 KB, and about 600 small resources for the rest (about 286 KB). `more` scales the count of small ones: 1 is the shape, 1.4 forty
// percent more of them.
func controlNodeShape(more float64) []map[string]any {
res := []map[string]any{
aFileResource("nats.bus-users", contentOf("users", 252678)),
aFileResource("mesh-vault.kept", contentOf("kept", 138475)),
aFileResource("node-tools.runtime", contentOf("runtime", 21<<10)),
aFileResource("nftables.filtering", contentOf("filter", 19<<10)),
aFileResource("mesh-host.launcher", contentOf("launcher", 14<<10)),
}
for i := 0; i < int(600*more); i++ {
res = append(res, aFileResource(fmt.Sprintf("module-%03d.config", i), contentOf(fmt.Sprintf("small%d", i), 380)))
}
return res
}
func wireSizeOf(t *testing.T, s sendable) int {
t.Helper()
body, err := s.Body()
if err != nil {
t.Fatal(err)
}
// The signature the controller's key makes is 64 bytes.
msg, err := link.Envelope(body, make([]byte, 64))
if err != nil {
t.Fatal(err)
}
return len(msg)
}
// 1696/AC1: for a node that reports the capability, the two big files of a control-node-shaped declaration carry their digest and size
// and no content, and the declaration is far under the bus's 1 MiB.
func TestAFileOver64KiBTravelsByDigestToANodeThatReadsOne(t *testing.T) { // 1696/AC1
users, kept := contentOf("users", 252678), contentOf("kept", 138475)
s := sendable{fileReferences: true, Resources: []map[string]any{
aFileResource("nats.bus-users", users), aFileResource("mesh-vault.kept", kept),
aFileResource("small", "tiny\n"),
}}
body, err := s.Body()
if err != nil {
t.Fatal(err)
}
var got struct {
Resources []map[string]any `json:"resources"`
}
if err := json.Unmarshal(body, &got); err != nil {
t.Fatal(err)
}
for i, want := range []string{users, kept} {
r := got.Resources[i]
digest := sdkdecl.DigestOf([]byte(want))
if _, has := r["content"]; has || r["digest"] != digest || r["size"] != float64(len(want)) {
t.Errorf("%v goes with content %v, digest %v, size %v; want no content, %s and %d", r["id"], r["content"] != nil,
r["digest"], r["size"], digest, len(want))
}
if r["path"] == nil || r["mode"] != "0644" {
t.Errorf("%v lost its path or mode: %v", r["id"], r)
}
}
if got.Resources[2]["content"] != "tiny\n" || got.Resources[2]["digest"] != nil {
t.Errorf("a small file is not inline: %v", got.Resources[2])
}
if strings.Contains(string(body), users[:200]) || strings.Contains(string(body), kept[:200]) {
t.Error("the content of a file that went by digest is in the body")
}
if n := wireSizeOf(t, s); n > 100<<10 {
t.Errorf("the declaration is %d bytes on the wire, want under 100 KB", n)
}
// The objects to put are the contents, each under the hex of its digest, and a reference verifies against its object.
objects, err := s.objects()
if err != nil || len(objects) != 2 {
t.Fatalf("objects: %v %v", objects, err)
}
for _, want := range []string{users, kept} {
name, _ := sdkdecl.ObjectName(sdkdecl.DigestOf([]byte(want)))
if string(objects[name]) != want {
t.Errorf("the object %s does not hold the content", name[:12])
}
}
named, err := namedObjects(body)
if err != nil || len(named) != 2 {
t.Fatalf("the objects the body names: %v %v", named, err)
}
for name := range objects {
if _, ok := named[name]; !ok {
t.Errorf("the body does not name the object %s it was sent with", name[:12])
}
if _, err := hex.DecodeString(name); err != nil || len(name) != 64 {
t.Errorf("the object name %q is not 64 hex characters", name)
}
}
}
// 1696/AC2: a node that does not report the capability is sent every content inline, as before, and has no object put.
func TestANodeWithoutTheCapabilityIsSentEveryContentInline(t *testing.T) { // 1696/AC2
users := contentOf("users", 252678)
s := sendable{Resources: []map[string]any{aFileResource("nats.bus-users", users)}}
body, err := s.Body()
if err != nil {
t.Fatal(err)
}
var got struct {
Resources []map[string]any `json:"resources"`
}
if err := json.Unmarshal(body, &got); err != nil {
t.Fatal(err)
}
if got.Resources[0]["content"] != users || got.Resources[0]["digest"] != nil || got.Resources[0]["size"] != nil {
t.Fatalf("a node that reads no references is not sent the content inline: %v", got.Resources[0]["digest"])
}
if objects, err := s.objects(); err != nil || len(objects) != 0 {
t.Fatalf("objects for a node that reads none: %v %v", len(objects), err)
}
}
// 1696/AC3: only a file that may travel by digest does: one of exactly 64 KiB, a sealed one, one filled with secrets, one written
// into another file, and a directory stay inline, whatever the node reads.
func TestOnlyAFileThatMayTravelByDigestDoes(t *testing.T) { // 1696/AC3
exact := contentOf("exact", 64<<10)
big := contentOf("big", 64<<10+1)
sealed := aFileResource("sealed", big)
sealed["sealed"], sealed["content"] = "box", ""
sealed["content"] = big // a sealed file's content is none; the body must pass it as it is, whatever it holds
secret := aFileResource("secret", big)
secret["secrets"] = map[string]any{"token": "x"}
into := aFileResource("into", big)
into["into"] = "/etc/other"
s := sendable{fileReferences: true, Resources: []map[string]any{
aFileResource("exact", exact), sealed, secret, into,
{"id": "dir", "type": "directory", "path": "/etc/d", "content": big},
aFileResource("big", big),
}}
body, err := s.Body()
if err != nil {
t.Fatal(err)
}
var got struct {
Resources []map[string]any `json:"resources"`
}
if err := json.Unmarshal(body, &got); err != nil {
t.Fatal(err)
}
for i, id := range []string{"exact", "sealed", "secret", "into", "dir"} {
if got.Resources[i]["id"] != id || got.Resources[i]["digest"] != nil || got.Resources[i]["content"] == nil {
t.Errorf("%s went by digest or lost its content: %v", id, got.Resources[i]["digest"])
}
}
if big := got.Resources[5]; big["id"] != "big" || big["digest"] == nil || big["content"] != nil {
t.Errorf("a plain file of 64 KiB and a byte did not go by digest: %v", big["digest"])
}
}
// A file given as bytes goes by digest on its decoded length, with the decoded bytes in the object.
func TestAFileOfBytesTravelsByDigestOnItsDecodedLength(t *testing.T) {
raw := []byte(contentOf("png", 70<<10))
r := map[string]any{"id": "icon", "type": "file", "path": "/usr/share/icon.png", "bytes": stdBase64(raw)}
s := sendable{fileReferences: true, Resources: []map[string]any{r}}
objects, err := s.objects()
if err != nil || len(objects) != 1 {
t.Fatalf("%v %v", len(objects), err)
}
name, _ := sdkdecl.ObjectName(sdkdecl.DigestOf(raw))
if string(objects[name]) != string(raw) {
t.Fatal("the object is not the decoded bytes")
}
if r["bytes"] == nil {
t.Fatal("the composed resource was changed in place")
}
}
type memObjects struct {
have map[string][]byte
marked map[string]bool
puts []string
fail map[string]error
}
func (m *memObjects) Has(_ context.Context, name string) (bool, bool, error) {
_, ok := m.have[name]
return ok, m.marked[name], nil
}
func (m *memObjects) Put(_ context.Context, name string, c []byte) error {
if err := m.fail[name]; err != nil {
return err
}
m.puts = append(m.puts, name)
m.have[name] = c
delete(m.marked, name)
return nil
}
// 1696/AC4: an object already in the bucket is not put again, one absent is, and a put that fails stops the send, naming the object.
func TestObjectsAreInTheBucketBeforeTheDeclarationIsSent(t *testing.T) { // 1696/AC4
objects := map[string][]byte{strings.Repeat("a", 64): []byte("one"), strings.Repeat("b", 64): []byte("two")}
b := &memObjects{have: map[string][]byte{strings.Repeat("a", 64): []byte("one")}}
if err := putObjects(t.Context(), b, objects); err != nil || len(b.puts) != 1 || b.puts[0] != strings.Repeat("b", 64) {
t.Fatalf("put %v (%v), want the one absent", b.puts, err)
}
// An object the sweep marked unnamed is put again, which erases the mark: a send relies on it.
b = &memObjects{have: map[string][]byte{strings.Repeat("a", 64): []byte("one"), strings.Repeat("b", 64): []byte("two")},
marked: map[string]bool{strings.Repeat("a", 64): true}}
if err := putObjects(t.Context(), b, objects); err != nil || len(b.puts) != 1 || b.puts[0] != strings.Repeat("a", 64) || b.marked[strings.Repeat("a", 64)] {
t.Fatalf("a marked object: put %v (%v) marked %v, want it put again and the mark gone", b.puts, err, b.marked)
}
b = &memObjects{have: map[string][]byte{}, fail: map[string]error{strings.Repeat("a", 64): errors.New("permissions violation")}}
err := putObjects(t.Context(), b, objects)
if err == nil || !strings.Contains(err.Error(), "aaaaaaaaaaaa") || !strings.Contains(err.Error(), "permissions violation") {
t.Fatalf("a failed put: %v", err)
}
}
// fallbackDelivery refuses the first declaration it is sent with the bucket's failure, as a bus that has not yet been given the
// controller's grant does, and takes the second.
type fallbackDelivery struct {
bodies [][]byte
first error
}
func (f *fallbackDelivery) grant(context.Context, []readyNode) error { return nil }
func (f *fallbackDelivery) declare(_ context.Context, _ readyNode, body []byte) (string, error) {
f.bodies = append(f.bodies, body)
if len(f.bodies) == 1 && f.first != nil {
return "", fmt.Errorf("x: %w: %w", errFilesNotPut, f.first)
}
return "digest", nil
}
// 1696/AC5: when the bucket cannot be written yet (the grant travels in the declaration of the machine holding the bus), that send goes
// with every content inline and is made; a send that fails for another reason is not retried inline.
func TestASendWhoseFilesCannotBePutGoesInlineOnce(t *testing.T) { // 1696/AC5
users := contentOf("users", 100<<10)
s := readyNode{node: "novox", declared: sendable{fileReferences: true, Resources: []map[string]any{aFileResource("nats.bus-users", users)}}}
f := &fallbackDelivery{first: errors.New("timeout")}
digests, err := deliver(t.Context(), f, "novox", []readyNode{s})
if err != nil || digests["novox"] != "digest" || len(f.bodies) != 2 {
t.Fatalf("%v %v %d", digests, err, len(f.bodies))
}
if strings.Contains(string(f.bodies[0]), users[:100]) || !strings.Contains(string(f.bodies[1]), users[:100]) {
t.Error("the first body should name the file by digest and the second carry it inline")
}
other := &fallbackDelivery{}
other.first = nil
failing := &failingDelivery{err: errors.New("the bus is down")}
if _, err := deliver(t.Context(), failing, "novox", []readyNode{s}); err == nil || failing.calls != 1 {
t.Fatalf("a failure of another kind: %v after %d send(s)", err, failing.calls)
}
}
type failingDelivery struct {
err error
calls int
}
func (f *failingDelivery) grant(context.Context, []readyNode) error { return nil }
func (f *failingDelivery) declare(context.Context, readyNode, []byte) (string, error) {
f.calls++
return "", f.err
}
// A bucket for the sweep.
type sweepBucketFake struct {
objects map[string]time.Time // zero: named at the last look
deleted []string
}
func (b *sweepBucketFake) Objects(context.Context) ([]bucketObject, error) {
var out []bucketObject
for n, at := range b.objects {
out = append(out, bucketObject{Name: n, UnnamedSince: at})
}
return out, nil
}
func (b *sweepBucketFake) MarkUnnamed(_ context.Context, n string, at time.Time) error {
b.objects[n] = at
return nil
}
func (b *sweepBucketFake) ClearUnnamed(_ context.Context, n string) error {
b.objects[n] = time.Time{}
return nil
}
func (b *sweepBucketFake) Delete(_ context.Context, n string, markedAt time.Time) (bool, error) {
if at, ok := b.objects[n]; !ok || !at.Equal(markedAt) {
return false, nil // put again since it was judged: its mark is gone
}
delete(b.objects, n)
b.deleted = append(b.deleted, n)
return true, nil
}
// 1696/AC6: an object a latest declaration still names is not removed, however long; one unnamed is marked at the first look and removed
// only when the mark is 24 hours old; one named again loses its mark.
func TestAnObjectIsRemovedADayAfterNoLatestDeclarationNamesIt(t *testing.T) { // 1696/AC6
named, unnamed, back := strings.Repeat("1", 64), strings.Repeat("2", 64), strings.Repeat("3", 64)
t0 := time.Date(2026, 10, 21, 12, 0, 0, 0, time.UTC)
b := &sweepBucketFake{objects: map[string]time.Time{named: t0.Add(-100 * time.Hour), unnamed: {}, back: t0.Add(-5 * time.Hour)}}
named3 := map[string]bool{named: true, back: true}
r, err := sweepDeclarationFiles(t.Context(), b, named3, t0)
if err != nil || r.Marked != 1 || r.Cleared != 2 || r.Removed != 0 || len(b.deleted) != 0 {
t.Fatalf("first look: %+v %v %v", r, err, b.deleted)
}
if !b.objects[named].IsZero() || !b.objects[back].IsZero() || !b.objects[unnamed].Equal(t0) {
t.Fatalf("marks after the first look: %v", b.objects)
}
// Still unnamed 23 hours 59 minutes later: kept. A day after the mark: removed. The named ones stay for ever.
if r, err = sweepDeclarationFiles(t.Context(), b, map[string]bool{named: true, back: true}, t0.Add(24*time.Hour-time.Minute)); err != nil ||
r.Removed != 0 || len(b.deleted) != 0 {
t.Fatalf("a minute short of a day: %+v %v %v", r, err, b.deleted)
}
if r, err = sweepDeclarationFiles(t.Context(), b, map[string]bool{named: true, back: true}, t0.Add(24*time.Hour)); err != nil ||
r.Removed != 1 || len(b.deleted) != 1 || b.deleted[0] != unnamed {
t.Fatalf("a day after: %+v %v %v", r, err, b.deleted)
}
if _, ok := b.objects[named]; !ok {
t.Fatal("an object a latest declaration names was removed")
}
// An object named again before the day is up loses its mark and is not removed.
b = &sweepBucketFake{objects: map[string]time.Time{unnamed: t0}}
if _, err := sweepDeclarationFiles(t.Context(), b, map[string]bool{unnamed: true}, t0.Add(23*time.Hour)); err != nil || !b.objects[unnamed].IsZero() {
t.Fatalf("named again: %v %v", b.objects, err)
}
}
// What a node's latest declaration names is read from the signed envelope as stored on the bus; an unreadable one is an error and
// never "names none", which would mark an object a node needs.
func TestTheObjectsALatestDeclarationNamesAreReadFromTheBus(t *testing.T) {
s := sendable{fileReferences: true, Resources: []map[string]any{aFileResource("a", contentOf("a", 70<<10))}}
body, _ := s.Body()
msg, _ := link.Envelope(body, []byte("sig"))
named, err := namedByLatest("novox", msg)
name, _ := sdkdecl.ObjectName(sdkdecl.DigestOf([]byte(contentOf("a", 70<<10))))
if err != nil || len(named) != 1 || !named[name] {
t.Fatalf("%v %v", named, err)
}
if none, err := namedByLatest("ace", []byte(`{"declaration":"e30=","signature":""}`)); err != nil || len(none) != 0 {
t.Fatalf("a declaration naming none: %v %v", none, err)
}
if _, err := namedByLatest("novox", []byte("not json")); err == nil {
t.Fatal("an unreadable latest declaration was read as naming none")
}
}
// 1698/AC2 (ADR 0486 §9): a declaration shaped like the control node's, for a node that reads references, stays under half of the
// bus's largest message on the wire; the inline form of the same does not fit at all; and the same shape with 40 percent more resources
// fails the test's own limit, so a change that eats the room fails in a pull request and not on the live mesh.
func TestTheControlNodesDeclarationInTheReferenceFormStaysUnderHalfTheBusLimit(t *testing.T) { // 1698/AC2
const limit = 1048576
shape := sendable{fileReferences: true, Resources: controlNodeShape(1)}
n := wireSizeOf(t, shape)
t.Logf("the control node's shape in the reference form: %d bytes on the wire, %.1f%% of %d", n, 100*float64(n)/limit, limit)
if n > limit/2 {
t.Errorf("the reference form is %d bytes on the wire, over half (%d) of the bus's largest message", n, limit/2)
}
if inline := wireSizeOf(t, sendable{Resources: controlNodeShape(1)}); inline < limit*3/4 {
t.Errorf("the inline form is %d bytes, which is not the shape that was over the limit", inline)
}
grown := wireSizeOf(t, sendable{fileReferences: true, Resources: controlNodeShape(1.4)})
if grown <= limit/2 {
t.Errorf("the shape with 40%% more resources is %d bytes, which the test would let pass", grown)
}
}
func stdBase64(b []byte) string { return base64.StdEncoding.EncodeToString(b) }
// A sweep that read an object's mark before a send put it again must not remove it: the object, now without the mark, is left.
func TestASweepDoesNotRemoveAnObjectASendPutAgainAfterItWasJudged(t *testing.T) { // 1696/AC8
n := strings.Repeat("4", 64)
t0 := time.Date(2026, 10, 21, 12, 0, 0, 0, time.UTC)
b := &sweepBucketFake{objects: map[string]time.Time{n: t0}}
judged := bucketObject{Name: n, UnnamedSince: t0}
b.objects[n] = time.Time{} // the send put it again: no mark
if gone, err := b.Delete(t.Context(), judged.Name, judged.UnnamedSince); err != nil || gone || len(b.deleted) != 0 {
t.Fatalf("an object put again was removed: %v %v %v", gone, err, b.deleted)
}
}
// One node's bucket is held by one act at a time in this process: the sweep waits for a send that has put its objects and not yet
// published the declaration that names them (1696/AC9).
func TestTheSweepOfANodesBucketWaitsForASendThatHasPutItsObjects(t *testing.T) { // 1696/AC9
unlock := lockFilesOf("lock-test-node")
got := make(chan struct{})
go func() {
defer lockFilesOf("lock-test-node")()
close(got)
}()
select {
case <-got:
t.Fatal("the sweep took the node's bucket while a send held it")
case <-time.After(50 * time.Millisecond):
}
other := lockFilesOf("lock-test-other-node") // another node's bucket is not held
other()
unlock()
select {
case <-got:
case <-time.After(2 * time.Second):
t.Fatal("the sweep did not take the node's bucket once the send was done")
}
}
// A put that fails send after send raises a condition; the first failure does not (the grant it waits for travels in that very
// declaration), and a put that works clears it (1696/AC10).
func TestAPutThatFailsSendAfterSendRaisesAConditionAndClearsWhenItWorks(t *testing.T) { // 1696/AC10
store := conditions.NewInMemory()
k := conditions.NewKeeper(t.Context(), conditions.Options{Store: store, History: store,
Teller: &conditions.Told{}, Now: func() time.Time { return time.Date(2026, 10, 21, 14, 0, 0, 0, time.UTC) }})
t.Cleanup(func() { k.Close(t.Context()) })
was := conditionsFrom
conditionsFrom = k
t.Cleanup(func() { conditionsFrom = was })
key := filesNotPutObservation("cond-node", "").Key()
open := func() bool {
_, found, err := conditions.ReadOne(t.Context(), store, key)
if err != nil {
t.Fatal(err)
}
return found
}
boom := errors.New("permissions violation")
notePut(t.Context(), "cond-node", boom)
if open() {
t.Fatal("the first failure raised the condition")
}
notePut(t.Context(), "cond-node", boom)
if !open() {
t.Fatal("the second failure in a row did not raise the condition")
}
notePut(t.Context(), "cond-node", nil)
if open() {
t.Fatal("a put that worked did not clear the condition")
}
notePut(t.Context(), "cond-node", boom)
if open() {
t.Fatal("the count did not start again after a put that worked")
}
}
// aBusThatSays is a bus that keeps the declarations published to it and, at each, asks whether the node's bucket is held.
type aBusThatSays struct {
link.Bus
published chan string
heldAtPublish func() bool
}
func (b *aBusThatSays) PublishDeclaration(_ context.Context, node string, _ []byte) error {
if b.heldAtPublish != nil && !b.heldAtPublish() {
return errors.New("published while the node's bucket was not held")
}
b.published <- node
return errors.New("stop here: nothing is recorded")
}
type aSignerOfZeros struct{}
func (aSignerOfZeros) Sign(context.Context, []byte) ([]byte, error) { return make([]byte, 64), nil }
// whileHeld says whether the node's lock is held by someone right now, without keeping it.
func whileHeld(node string) bool {
got := make(chan struct{})
go func() {
defer lockFilesOf(node)()
close(got)
}()
select {
case <-got:
return false
case <-time.After(100 * time.Millisecond):
// held: the goroutine stays waiting and takes and releases the lock once it is let go.
return true
}
}
// 1696/AC9: a send holds the node's lock from the put to the publication, so the sweep never removes an object between them. The
// test goes through overTheBus.declare: while another holds the lock the declaration is not published, and at the publication the
// lock is held.
func TestASendHoldsTheNodesLockFromThePutToThePublication(t *testing.T) { // 1696/AC9
const node = "lock-send-node"
bus := &aBusThatSays{published: make(chan string, 1)}
bus.heldAtPublish = func() bool { return whileHeld(node) }
send := overTheBus{server: link.SendingOn(bus), signer: aSignerOfZeros{}}
release := lockFilesOf(node) // a sweep is judging this node's bucket
done := make(chan error, 1)
go func() {
_, err := send.declare(t.Context(), readyNode{node: node}, []byte(`{}`))
done <- err
}()
select {
case n := <-bus.published:
t.Fatalf("%s was sent its declaration while the sweep held the node's bucket", n)
case <-time.After(150 * time.Millisecond):
}
release()
select {
case <-bus.published:
case <-time.After(5 * time.Second):
t.Fatal("the send did not go on once the sweep let go")
}
if err := <-done; err == nil || !strings.Contains(err.Error(), "nothing is recorded") {
t.Fatalf("the send did not reach the publication (a lock held at it): %v", err)
}
}
-96
View File
@@ -1,96 +0,0 @@
package main
import (
"bytes"
"context"
"encoding/json"
"fmt"
"strings"
"github.com/novox/mesh-controller/internal/conditions"
"github.com/novox/mesh-controller/internal/link"
)
// **A declaration is one bus message, and the bus's largest message is a cliff** (novox/hq issue 1689). On 2026-10-21
// the control node's declaration passed it by 2 KB and nothing reached that node until two assignments were undone.
// So the size is measured at every send: a warning condition from 75% of the limit (ADR 0486 §8, issue 1698: it was 90% while every file travelled inline), urgent over it, cleared when
// the declaration is back under 75%. The limit is the connection's own, not a constant.
// kindDeclarationNearLimit is a declaration at or near the bus's largest message.
const kindDeclarationNearLimit = "declaration-near-limit"
// declarationRoomSource is the condition's source: the sends.
const declarationRoomSource = "sends"
func declarationRoomObservation(node string, size, limit int64) conditions.Observation {
o := conditions.Observation{Scope: conditions.ScopeMachine, ID: node, Kind: kindDeclarationNearLimit,
Token: kindDeclarationNearLimit, Machine: node, Severity: conditions.Warning, Source: declarationRoomSource}
if size > limit {
o.Severity = conditions.Urgent
}
o.Summary = fmt.Sprintf("%s's declaration is %d bytes on the wire, %d%% of the bus's largest message of %d bytes",
node, size, size*100/limit, limit)
if size > limit {
o.Summary += ": over it, so it cannot be sent"
}
return o
}
func init() {
link.DeclarationMeasured = func(ctx context.Context, node string, size, limit int64) {
settleDeclarationRoom(ctx, conditionsFrom, node, size, limit)
}
}
// settleDeclarationRoom raises or clears the condition of a declaration's size. A nil keeper (a tool, not the
// serving controller) says nothing.
func settleDeclarationRoom(ctx context.Context, keeper *conditions.Keeper, node string, size, limit int64) {
if keeper == nil || limit <= 0 {
return
}
obs := declarationRoomObservation(node, size, limit)
if float64(size) < link.NearTheLimit*float64(limit) {
if _, err := keeper.Clear(ctx, obs.Key(), fmt.Sprintf("%s's declaration is %d bytes, under the limit's margin", node, size)); err != nil {
fmt.Printf("the condition %s could not be cleared: %v\n", obs.Key(), err)
}
return
}
fmt.Printf("NEAR THE LIMIT: %s\n", obs.Summary)
if _, err := keeper.Observe(ctx, obs); err != nil {
fmt.Printf("the condition %s could not be raised: %v\n", obs.Key(), err)
}
}
// compactKept writes the vault's export compact. The composition (the SDK's keptFile) writes it indented, and its 334
// sealed secrets were 164,763 bytes of it against 138,474 compact: a fifth of the declaration's room, in whitespace,
// base64-encoded again on the wire. Every reader parses JSON, so the spacing is nobody's. A resource that is not
// the export, or whose content is not JSON, is left as it is. The resources are copied, never changed in place.
func compactKept(resources []map[string]any) []map[string]any {
out := make([]map[string]any, len(resources))
for i, r := range resources {
out[i] = r
id, _ := r["id"].(string)
path, _ := r["path"].(string)
content, ok := r["content"].(string)
if !ok || (id != "kept" && !strings.HasSuffix(id, ".kept")) || !strings.HasSuffix(path, "/export.json") {
continue
}
var dst bytes.Buffer
if json.Compact(&dst, []byte(content)) != nil {
continue
}
if strings.HasSuffix(content, "\n") {
dst.WriteByte('\n')
}
if dst.String() == content {
continue
}
c := make(map[string]any, len(r))
for k, v := range r {
c[k] = v
}
c["content"] = dst.String()
out[i] = c
}
return out
}
@@ -1,71 +0,0 @@
package main
import (
"strings"
"testing"
"time"
"github.com/novox/mesh-controller/internal/conditions"
)
// The vault's export is sent compact (issue 1689): same document, no indentation, one rewrite.
func TestTheVaultsExportIsSentCompactAndNothingElseIsTouched(t *testing.T) {
indented := "{\n \"export\": 1,\n \"kept\": [\n {\n \"name\": \"a\"\n }\n ]\n}\n"
other := "{\n \"x\": 1\n}\n"
in := []map[string]any{
{"id": "mesh-vault.kept", "type": "file", "path": "/srv/vault/export.json", "mode": "0600", "content": indented},
{"id": "mesh-vault.config", "type": "file", "path": "/srv/vault/config.json", "content": other},
{"id": "other.kept", "type": "file", "path": "/srv/other/notes.json", "content": other},
}
out := compactKept(in)
want := "{\"export\":1,\"kept\":[{\"name\":\"a\"}]}\n"
if out[0]["content"] != want || out[0]["mode"] != "0600" || out[0]["path"] != "/srv/vault/export.json" {
t.Fatalf("the export is %q (%v), expected %q with its mode and path kept", out[0]["content"], out[0], want)
}
if out[1]["content"] != other || out[2]["content"] != other {
t.Fatalf("a file that is not the export was rewritten: %v %v", out[1], out[2])
}
if in[0]["content"] != indented {
t.Fatalf("the composed resource was changed in place")
}
if again := compactKept(out); again[0]["content"] != want {
t.Fatalf("compacting twice changed it: %q", again[0]["content"])
}
}
// From 75% of the bus's largest message (ADR 0486 §8, issue 1698) the declaration is a warning; over it, urgent; back under 75%, cleared.
func TestADeclarationNearTheBusLimitRaisesAConditionAndClearsWhenSmaller(t *testing.T) {
store := conditions.NewInMemory()
k := conditions.NewKeeper(t.Context(), conditions.Options{Store: store, History: store,
Teller: &conditions.Told{}, Now: func() time.Time { return time.Date(2026, 10, 21, 14, 0, 0, 0, time.UTC) }})
t.Cleanup(func() { k.Close(t.Context()) })
const limit = 1000
key := declarationRoomObservation("novox", 0, limit).Key()
read := func() (conditions.Condition, bool) {
t.Helper()
c, found, err := conditions.ReadOne(t.Context(), store, key)
if err != nil {
t.Fatal(err)
}
return c, found
}
settleDeclarationRoom(t.Context(), k, "novox", 749, limit)
if _, found := read(); found {
t.Fatal("a declaration at 74.9% raised a condition")
}
settleDeclarationRoom(t.Context(), k, "novox", 750, limit)
c, found := read()
if !found || c.Severity != conditions.Warning || !strings.Contains(c.Summary, "750 bytes") ||
!strings.Contains(c.Summary, "1000") || c.Subject.Machine != "novox" {
t.Fatalf("at 75%% the condition is %v %+v", found, c)
}
settleDeclarationRoom(t.Context(), k, "novox", 1001, limit)
if c, _ := read(); c.Severity != conditions.Urgent {
t.Fatalf("over the limit the condition is %q, expected urgent", c.Severity)
}
settleDeclarationRoom(t.Context(), k, "novox", 700, limit)
if _, found := read(); found {
t.Fatal("the condition stayed after the declaration fell under 75%")
}
}
-273
View File
@@ -1,273 +0,0 @@
package main
import (
"context"
"encoding/json"
"errors"
"fmt"
"sort"
"strings"
"time"
"github.com/nats-io/nats.go"
"github.com/nats-io/nats.go/jetstream"
"github.com/novox/mesh-controller/internal/broker"
"github.com/novox/mesh-controller/internal/inventory"
"github.com/novox/mesh-controller/internal/link"
)
// **An object is removed a day after no node's latest declaration names it** (novox/hq ADR 0486 §3, issue 1696), so a node that is
// asleep and receives its latest declaration later still finds every object that declaration names. What each node's latest
// declaration names is read from the bus itself, the last message of that node's subject of the stream NODES: nothing else
// is kept of it. When an object is first found named by none, the time is written in its own metadata (declarationUnnamed);
// found named again, that is erased; found unnamed for a day, it is removed. Each node has a bucket of its own, judged against that
// node's latest declaration alone. Objects are immutable and regenerable from the
// controller's state, so a removal loses nothing.
// declarationUnnamed is the key of an object's metadata holding when it was first found named by no node's latest declaration.
const declarationUnnamed = "unnamed-since"
// sweepEvery is how often the bucket is judged: the removal is exact to within this.
const sweepEvery = time.Hour
// bucketObject is one object of the bucket as the sweep sees it.
type bucketObject struct {
Name string
// UnnamedSince is when it was first found named by none, zero when it was named at the last look.
UnnamedSince time.Time
}
// sweptBucket is what the sweep needs of the bucket.
type sweptBucket interface {
Objects(ctx context.Context) ([]bucketObject, error)
MarkUnnamed(ctx context.Context, name string, since time.Time) error
ClearUnnamed(ctx context.Context, name string) error
// Delete removes the object if it still carries the mark it was judged by, and says whether it did: a send that put it again
// since has erased the mark, and the object is left.
Delete(ctx context.Context, name string, markedAt time.Time) (bool, error)
}
// filesSweep says what a sweep did.
type filesSweep struct{ Kept, Marked, Cleared, Removed int }
// sweepDeclarationFiles judges every object against the names of the latest declarations: named ones are kept (and a
// mark of being unnamed is erased), unnamed ones are marked at the first look and removed once the mark is a day old.
func sweepDeclarationFiles(ctx context.Context, bucket sweptBucket, named map[string]bool, now time.Time) (filesSweep, error) {
var r filesSweep
objects, err := bucket.Objects(ctx)
if err != nil {
return r, err
}
sort.Slice(objects, func(i, j int) bool { return objects[i].Name < objects[j].Name })
for _, o := range objects {
switch {
case named[o.Name]:
r.Kept++
if !o.UnnamedSince.IsZero() {
if err := bucket.ClearUnnamed(ctx, o.Name); err != nil {
return r, fmt.Errorf("the object %s: %w", o.Name[:12], err)
}
r.Cleared++
}
case o.UnnamedSince.IsZero():
if err := bucket.MarkUnnamed(ctx, o.Name, now); err != nil {
return r, fmt.Errorf("the object %s: %w", o.Name[:12], err)
}
r.Marked++
case now.Sub(o.UnnamedSince) >= broker.DeclarationFilesKeptFor:
gone, err := bucket.Delete(ctx, o.Name, o.UnnamedSince)
if err != nil {
return r, fmt.Errorf("the object %s: %w", o.Name[:12], err)
}
if gone {
r.Removed++
} else {
r.Kept++
}
default:
r.Kept++
}
}
return r, nil
}
// namedByLatest is the name of every object this latest declaration of a node names. A body that cannot be read is an error, never
// "names none": an object the node still needs would be marked for removal.
func namedByLatest(node string, signed []byte) (map[string]bool, error) {
var s link.Signed
if err := json.Unmarshal(signed, &s); err != nil {
return nil, fmt.Errorf("%s's latest declaration is not readable: %w", node, err)
}
names, err := namedObjects(s.Declaration)
if err != nil {
return nil, fmt.Errorf("%s's latest declaration is not readable: %w", node, err)
}
named := make(map[string]bool, len(names))
for name := range names {
named[name] = true
}
return named, nil
}
// latestDeclarations are the last signed declarations of the nodes, by node, as the stream NODES holds them. A node with none has
// no entry.
func latestDeclarations(ctx context.Context, conn *nats.Conn, nodes []string) (map[string][]byte, error) {
js, err := conn.JetStream(nats.Context(ctx))
if err != nil {
return nil, err
}
out := map[string][]byte{}
for _, node := range nodes {
msg, err := js.GetLastMsg("NODES", link.DeclareSubject(node), nats.Context(ctx))
if errors.Is(err, nats.ErrMsgNotFound) {
continue
}
if err != nil {
return nil, fmt.Errorf("the latest declaration of %s: %w", node, err)
}
out[node] = msg.Data
}
return out, nil
}
// busSweptBucket is the bucket on the controller's connection.
type busSweptBucket struct{ store jetstream.ObjectStore }
func (b busSweptBucket) Objects(ctx context.Context) ([]bucketObject, error) {
infos, err := b.store.List(ctx)
if errors.Is(err, jetstream.ErrNoObjectsFound) {
return nil, nil
}
if err != nil {
return nil, err
}
out := make([]bucketObject, 0, len(infos))
for _, info := range infos {
o := bucketObject{Name: info.Name}
if at, err := time.Parse(time.RFC3339, info.Metadata[declarationUnnamed]); err == nil {
o.UnnamedSince = at
}
out = append(out, o)
}
return out, nil
}
func (b busSweptBucket) meta(ctx context.Context, name string, change func(map[string]string)) error {
info, err := b.store.GetInfo(ctx, name)
if err != nil {
return err
}
meta := info.ObjectMeta
kept := map[string]string{}
for k, v := range meta.Metadata {
kept[k] = v
}
change(kept)
meta.Metadata = kept
return b.store.UpdateMeta(ctx, name, meta)
}
func (b busSweptBucket) MarkUnnamed(ctx context.Context, name string, since time.Time) error {
return b.meta(ctx, name, func(m map[string]string) { m[declarationUnnamed] = since.UTC().Format(time.RFC3339) })
}
func (b busSweptBucket) ClearUnnamed(ctx context.Context, name string) error {
return b.meta(ctx, name, func(m map[string]string) { delete(m, declarationUnnamed) })
}
func (b busSweptBucket) Delete(ctx context.Context, name string, markedAt time.Time) (bool, error) {
info, err := b.store.GetInfo(ctx, name)
if errors.Is(err, jetstream.ErrObjectNotFound) {
return false, nil
}
if err != nil {
return false, err
}
if at, perr := time.Parse(time.RFC3339, info.Metadata[declarationUnnamed]); perr != nil || !at.Equal(markedAt) {
return false, nil
}
return true, b.store.Delete(ctx, name)
}
// sweepingDeclarationFiles judges the bucket every sweepEvery for as long as this controller serves and holds the lease.
func sweepingDeclarationFiles(ctx context.Context, inv *inventory.Inventory, conn *nats.Conn) {
tick := time.NewTicker(sweepEvery)
defer tick.Stop()
failing := ""
for {
select {
case <-ctx.Done():
return
case <-tick.C:
}
if epoch, err := theLease.epoch(ctx); err != nil || epoch == 0 {
continue
}
why := sweepOnce(ctx, inv, conn)
if why != failing {
if why != "" {
fmt.Printf("the bucket of declaration files cannot be swept: %s\n", why)
} else {
fmt.Printf("the bucket of declaration files is swept again\n")
}
failing = why
}
}
}
// sweepOnce judges the bucket of every node against that node's latest declaration, one bucket at a time under the node's lock, with
// the declaration read again under it: a send that put an object and published its declaration is seen, and one that has not yet
// is waiting for the lock.
func sweepOnce(ctx context.Context, inv *inventory.Inventory, conn *nats.Conn) string {
nodes, err := inv.Nodes(ctx)
if err != nil {
return fmt.Sprintf("the nodes cannot be read: %v", err)
}
var problems []string
var total filesSweep
for _, n := range nodes {
r, err := sweepNode(ctx, conn, n.Name)
total.Kept, total.Marked, total.Cleared, total.Removed = total.Kept+r.Kept, total.Marked+r.Marked, total.Cleared+r.Cleared, total.Removed+r.Removed
if err != nil {
problems = append(problems, fmt.Sprintf("%s: %v", n.Name, err))
}
}
if total.Removed+total.Marked+total.Cleared > 0 {
fmt.Printf("the buckets of declaration files: %d object(s) kept, %d found unnamed, %d named again, %d removed\n",
total.Kept, total.Marked, total.Cleared, total.Removed)
}
return strings.Join(problems, "; ")
}
func sweepNode(ctx context.Context, conn *nats.Conn, node string) (filesSweep, error) {
working, cancel := context.WithTimeout(ctx, 2*time.Minute)
defer cancel()
js, err := jetstream.New(conn)
if err != nil {
return filesSweep{}, err
}
bucket, err := broker.DeclarationFilesBucketOf(node)
if err != nil {
return filesSweep{}, fmt.Errorf("the bucket of node %q: %w", node, err)
}
store, err := js.ObjectStore(working, bucket)
if errors.Is(err, jetstream.ErrBucketNotFound) {
return filesSweep{}, nil // a node never sent a reference has no bucket yet
}
if err != nil {
return filesSweep{}, fmt.Errorf("the bucket cannot be read: %w", err)
}
defer lockFilesOf(node)()
latest, err := latestDeclarations(working, conn, []string{node})
if err != nil {
return filesSweep{}, err
}
named := map[string]bool{}
if body, ok := latest[node]; ok {
if named, err = namedByLatest(node, body); err != nil {
return filesSweep{}, err
}
}
return sweepDeclarationFiles(working, busSweptBucket{store}, named, time.Now())
}
+2 -2
View File
@@ -15,7 +15,7 @@ import (
"github.com/nats-io/nats.go"
"git.novox.be/novox/mesh-sdk/go/catalogue"
"github.com/novox/mesh-controller/internal/catalogue"
"github.com/novox/mesh-controller/internal/inventory"
"github.com/novox/mesh-controller/internal/link"
)
@@ -1179,7 +1179,7 @@ func askGroupCheck(ctx context.Context, open *stores, group string, members []or
request.Check.Group = group
// A group's check is queued as ready when any member's pull request is marked ready.
request.Check.Ready = slices.ContainsFunc(members, func(m orderMember) bool { return m.Ready })
world, err := restOfTheMesh(ctx, open, shelfOf(entries), "")
world, err := theRestOfTheMesh(ctx, open.inventory, shelfOf(entries), "")
if err != nil {
return "", err
}
+1 -1
View File
@@ -12,7 +12,7 @@ import (
"sync"
"time"
"git.novox.be/novox/mesh-sdk/go/catalogue"
"github.com/novox/mesh-controller/internal/catalogue"
"github.com/novox/mesh-controller/internal/inventory"
"github.com/novox/mesh-controller/internal/link"
)
+1 -1
View File
@@ -10,8 +10,8 @@ import (
"github.com/nats-io/nats.go"
"git.novox.be/novox/mesh-sdk/go/catalogue"
"github.com/novox/mesh-controller/internal/broker"
"github.com/novox/mesh-controller/internal/catalogue"
"github.com/novox/mesh-controller/internal/conditions"
"github.com/novox/mesh-controller/internal/link"
)
@@ -13,8 +13,8 @@ import (
"github.com/nats-io/nats.go"
"git.novox.be/novox/mesh-sdk/go/catalogue"
"github.com/novox/mesh-controller/internal/broker"
"github.com/novox/mesh-controller/internal/catalogue"
"github.com/novox/mesh-controller/internal/conditions"
"github.com/novox/mesh-controller/internal/inventory"
"github.com/novox/mesh-controller/internal/link"
+1 -1
View File
@@ -5,7 +5,7 @@ import (
"strings"
"testing"
"git.novox.be/novox/mesh-sdk/go/catalogue"
"github.com/novox/mesh-controller/internal/catalogue"
"github.com/novox/mesh-controller/internal/inventory"
)
@@ -8,9 +8,9 @@ import (
"testing"
"time"
"git.novox.be/novox/mesh-sdk/go/catalogue"
"github.com/nats-io/nats.go"
"github.com/novox/mesh-controller/internal/broker"
"github.com/novox/mesh-controller/internal/catalogue"
"github.com/novox/mesh-controller/internal/inventory"
"github.com/novox/mesh-controller/internal/link"
"github.com/novox/mesh-controller/internal/testbus"
@@ -122,7 +122,7 @@ func TestAMergeWaitsForItsDeliverysWordAndThePersonsWordWorksWithoutIt(t *testin
advanceHeld(ctx, open)
got, _ = inv.PlanByID(ctx, p.ID)
if got.Waiting() || !strings.HasPrefix(got.Delivery.By, "a person") || len(*asked) < 4 {
t.Fatalf("a person's word did not start the walk: %+v, asked %v, state %q, tier %d, note %q", got.Delivery, *asked, got.State, got.Tier, got.Note)
t.Fatalf("a person's word did not start the walk: %+v, asked %v", got.Delivery, *asked)
}
// The owner's stop: failed, said as stopped by it.
+1 -1
View File
@@ -5,7 +5,7 @@ import (
"strings"
"testing"
"git.novox.be/novox/mesh-sdk/go/catalogue"
"github.com/novox/mesh-controller/internal/catalogue"
"github.com/novox/mesh-controller/internal/inventory"
)
+1 -1
View File
@@ -3,7 +3,7 @@ package main
import (
"testing"
"git.novox.be/novox/mesh-sdk/go/catalogue"
"github.com/novox/mesh-controller/internal/catalogue"
"github.com/novox/mesh-controller/internal/inventory"
)
+1 -1
View File
@@ -10,8 +10,8 @@ import (
"golang.org/x/net/dns/dnsmessage"
"git.novox.be/novox/mesh-sdk/go/catalogue"
"github.com/novox/mesh-controller/internal/broker"
"github.com/novox/mesh-controller/internal/catalogue"
"github.com/novox/mesh-controller/internal/conditions"
"github.com/novox/mesh-controller/internal/link"
)
+10 -2
View File
@@ -42,8 +42,12 @@ func TestAMachineIsSentTheEpochOnlyOnceItSaysItReadsOne(t *testing.T) {
if err := inv.RecordReadsEpoch(ctx, anchor.ID, true); err != nil {
t.Fatal(err)
}
gens, err := generators(ctx, open)
if err != nil {
t.Fatal(err)
}
d := &bodiesDelivery{recordedDelivery: recordedDelivery{inv: inv}, bodies: map[string][]byte{}}
if _, err := sendRound(ctx, open, []string{"anchor", "laptop"}, composeForPush(open), d, "", nil); err != nil {
if _, err := sendRound(ctx, open, []string{"anchor", "laptop"}, composeForPush(open, gens), d, "", nil); err != nil {
t.Fatal(err)
}
carried := func(node string) (epoch float64, has bool) {
@@ -85,8 +89,12 @@ func TestNothingIsComposedOrSentWithoutTheLease(t *testing.T) {
was := epochForActs
epochForActs = func(context.Context) (uint64, error) { return 0, errors.New("this controller lost the lease") }
t.Cleanup(func() { epochForActs = was })
gens, err := generators(ctx, open)
if err != nil {
t.Fatal(err)
}
d := &bodiesDelivery{recordedDelivery: recordedDelivery{inv: open.inventory}, bodies: map[string][]byte{}}
refused, err := sendRound(ctx, open, []string{"anchor"}, composeForPush(open), d, "", nil)
refused, err := sendRound(ctx, open, []string{"anchor"}, composeForPush(open, gens), d, "", nil)
if err != nil {
t.Fatal(err)
}
+45 -33
View File
@@ -14,12 +14,13 @@ import (
"sync"
"time"
"git.novox.be/novox/mesh-sdk/go/catalogue"
"git.novox.be/novox/mesh-sdk/go/compose"
snapshot "git.novox.be/novox/mesh-sdk/go/facts"
"github.com/novox/mesh-host/validate"
"github.com/novox/mesh-controller/internal/artifacts"
"github.com/novox/mesh-controller/internal/broker"
"github.com/novox/mesh-controller/internal/builder"
"github.com/novox/mesh-controller/internal/catalogue"
snapshot "github.com/novox/mesh-controller/internal/facts"
"github.com/novox/mesh-controller/internal/inventory"
"github.com/novox/mesh-controller/internal/link"
)
@@ -169,15 +170,10 @@ func factsStore(ctx context.Context, open *stores) (string, error) {
return address, nil
}
// writtenFormat is the format of the snapshot this controller writes: mesh-sdk's go/facts current format, 2, which carries
// each machine's grants and credential bindings besides everything format 1 held (issue 1394, novox/hq ADR 0456 clause 2).
// Every reader (the merge gate, the build seat's check) reads formats 1 and 2.
const writtenFormat = snapshot.Format
// gatherFacts composes one snapshot from the store: read only, nothing made, nothing sent.
func gatherFacts(ctx context.Context, open *stores, busVersion string) (snapshot.Facts, error) {
inv := open.inventory
f := snapshot.Facts{Format: writtenFormat, Taken: time.Now().UTC(), Controller: snapshot.Build{Version: version}}
f := snapshot.Facts{Format: snapshot.Format, Taken: time.Now().UTC(), Controller: snapshot.Build{Version: version}}
f.Versions.Bus = busVersion
storeVersion, err := inv.ServerVersion(ctx)
if err != nil {
@@ -267,9 +263,7 @@ func gatherFacts(ctx context.Context, open *stores, busVersion string) (snapshot
f.Controller.Commit = c.Commit
}
// The Input every machine's declaration below is composed over is read once for the whole snapshot.
ctx = withInputCache(ctx)
_, gensErr := generatorsOf(ctx, open)
gens, gensErr := generators(ctx, open)
hostShelf := shelf[hostModule]
meshWide := map[string]bool{}
engines := map[string]bool{}
@@ -367,24 +361,7 @@ func gatherFacts(ctx context.Context, open *stores, busVersion string) (snapshot
m.Settings = append(m.Settings, snapshot.Settings{Module: module, Values: scrub.Values(layer.Whole())})
}
}
// Who was issued a credential by this machine, by name only: never what the credential is, sealed or not.
issued, err := inv.SecretsFrom(ctx, n.Name)
if err != nil {
return snapshot.Facts{}, err
}
for _, g := range issued {
m.Grants = append(m.Grants, scrub.Grant(g.Name, g.Consumer, g.ConsumerModule, g.Local))
}
bound, err := inv.BindingsFor(ctx, n.Name)
if err != nil {
return snapshot.Facts{}, err
}
for consumer, byProvision := range bound {
for provision, c := range byProvision {
m.Bindings = append(m.Bindings, scrub.Binding(consumer, provision, c.Node, c.Module))
}
}
m.Declaration = declarationFacts(ctx, open, n.Name, gensErr, scrub)
m.Declaration = declarationFacts(ctx, open, n.Name, gens, gensErr, scrub)
if ctx.Err() != nil {
return snapshot.Facts{}, ctx.Err()
}
@@ -479,14 +456,14 @@ func gatherFacts(ctx context.Context, open *stores, busVersion string) (snapshot
// declarationFacts is how one machine's declaration composes now, as the next push would compose it and
// without making anything (D1's composition), and whether the node-engine's validator takes it.
func declarationFacts(ctx context.Context, open *stores, node string, gensErr error,
scrub *snapshot.Scrubber) snapshot.Declaration {
func declarationFacts(ctx context.Context, open *stores, node string, gens map[string]catalogue.Generator,
gensErr error, scrub *snapshot.Scrubber) snapshot.Declaration {
var d snapshot.Declaration
if gensErr != nil {
d.Problems = []string{scrub.Text("the private network cannot be computed: " + oneLine(gensErr.Error()))}
return d
}
declared, problems, err := composeQuestion(ctx, open, node, compose.Foreseeing, true)
declared, problems, err := composedAndValidated(ctx, open, node, gens, Foreseeing)
if err != nil {
d.Problems = []string{scrub.Text(oneLine(err.Error()))}
return d
@@ -519,6 +496,41 @@ func declarationFacts(ctx context.Context, open *stores, node string, gensErr er
return d
}
// composedAndValidated composes one machine's declaration — as a push would (Allocating) or as the next
// push will without making anything (Foreseeing) — with the order it was last sent, and runs the
// node-engine's own validator over the body. An error is that it did not compose; problems are what the
// validator refuses.
func composedAndValidated(ctx context.Context, open *stores, node string, gens map[string]catalogue.Generator,
choosing Choosing) (sendable, []string, error) {
plan, settings, err := planFor(ctx, open, node)
if err != nil {
return sendable{}, nil, err
}
declared, err := declarationWith(ctx, open, node, plan, settings, gens, choosing)
if err != nil {
return sendable{}, nil, err
}
record, err := open.inventory.NodeByName(ctx, node)
if err != nil {
return sendable{}, nil, err
}
if declared.Sequence, err = open.inventory.Sequence(ctx, record.ID); err != nil {
return sendable{}, nil, err
}
if declared.Epoch, err = open.inventory.SentEpoch(ctx, record.ID); err != nil {
return sendable{}, nil, err
}
// And the generation it was last sent, as the would-send is (novox/hq issue 234).
if declared.Generation, err = open.inventory.SentGeneration(ctx, record.ID); err != nil {
return sendable{}, nil, err
}
body, err := declared.Body()
if err != nil {
return sendable{}, nil, err
}
return declared, validate.Declaration(body), nil
}
// resourceNames are a declaration's resources as `type:id`, sorted.
func resourceNames(resources []map[string]any) []string {
out := make([]string, 0, len(resources))
-68
View File
@@ -1,68 +0,0 @@
package main
import (
"encoding/json"
"strings"
"testing"
"time"
snapshot "git.novox.be/novox/mesh-sdk/go/facts"
)
// 1394 (novox/hq ADR 0456 clause 2): the snapshot this controller writes is format 2, which carries each machine's grants and
// bindings, and the reader it shares with the build seat (mesh-sdk's go/facts) takes formats 1 and 2 and refuses one newer.
func TestTheWriterWritesFormatTwoAndTheReaderTakesBothFormats(t *testing.T) {
if writtenFormat != 2 {
t.Fatalf("the writer writes format %d, not 2", writtenFormat)
}
taken := time.Date(2026, 10, 20, 9, 0, 0, 0, time.UTC)
for format, want := range map[int]bool{1: true, 2: true, 3: false} {
body, err := (snapshot.Facts{Format: format, Taken: taken}).Encode()
if err != nil {
t.Fatal(err)
}
f, err := snapshot.Decode(body)
switch {
case want && err != nil:
t.Errorf("format %d is refused: %v", format, err)
case want && f.Format != format:
t.Errorf("format %d is read as %d", format, f.Format)
case !want && (err == nil || !strings.Contains(err.Error(), "newer")):
t.Errorf("format %d is not refused as newer: %v", format, err)
}
}
// Format 2 carries a machine's grants and bindings, and they are encoded in one order whatever order they were made in.
grants := []snapshot.Grant{{Provision: "s3-bucket", ConsumerNode: "bbbbbb", ConsumerModule: "files"},
{Provision: "s3-bucket", ConsumerNode: "aaaaaa", ConsumerModule: "files"}}
bindings := []snapshot.Binding{{ConsumerModule: "files", Provision: "s3-bucket", ProviderNode: "cccccc", ProviderModule: "objects"}}
encode := func(g []snapshot.Grant) []byte {
body, err := (snapshot.Facts{Format: writtenFormat, Taken: taken, Machines: []snapshot.Machine{{Name: "abcdef", Length: 6,
Grants: g, Bindings: bindings}}}).Encode()
if err != nil {
t.Fatal(err)
}
return body
}
body := encode(grants)
// 1394/AC3 (the bytes do not depend on the order the rows came in)
if reversed := encode([]snapshot.Grant{grants[1], grants[0]}); string(reversed) != string(body) {
t.Error("grants in another order encode to other bytes")
}
var raw struct {
Format int `json:"facts"`
Machines []map[string]json.RawMessage `json:"machines"`
}
if err := json.Unmarshal(body, &raw); err != nil {
t.Fatal(err)
}
if raw.Format != 2 {
t.Errorf("the snapshot says format %d", raw.Format)
}
for _, m := range raw.Machines {
for _, key := range []string{"grants", "bindings"} {
if _, has := m[key]; !has {
t.Errorf("a format 2 snapshot carries no %s", key)
}
}
}
}
+7 -26
View File
@@ -7,9 +7,8 @@ import (
"strings"
"testing"
"git.novox.be/novox/mesh-sdk/go/catalogue"
snapshot "git.novox.be/novox/mesh-sdk/go/facts"
"github.com/novox/mesh-controller/internal/inventory"
"github.com/novox/mesh-controller/internal/catalogue"
snapshot "github.com/novox/mesh-controller/internal/facts"
)
// The facts snapshot (novox/hq to-be 45 §9): composed from the store, every machine under a pseudonym
@@ -43,8 +42,12 @@ func aMeshWithSecrets(t *testing.T) (*stores, []string) {
t.Fatal(err)
}
// A push's worth of composition, which makes the pair credential the consumer is sent.
gens, err := generators(ctx, open)
if err != nil {
t.Fatal(err)
}
for _, node := range []string{"laptop", "anchor"} {
if _, err := composeSend(ctx, open, node); err != nil {
if _, _, err := composedAndValidated(ctx, open, node, gens, Allocating); err != nil {
t.Fatalf("%s does not compose: %v", node, err)
}
}
@@ -56,11 +59,6 @@ func aMeshWithSecrets(t *testing.T) (*stores, []string) {
// Sealed, never kept plain (ADR 0004): the sealed blobs are what the store holds, and none may leave.
secrets = append(secrets, s.ForConsumer, s.ForProvider)
}
// A binding recorded for the consumer on the laptop, to the provider on the anchor.
if err := open.inventory.RecordBindings(ctx, "laptop", []inventory.Binding{{Machine: "laptop", Consumer: "files",
Provision: "s3-bucket", Provider: catalogue.Chosen{Node: "anchor", Module: "objects"}}}); err != nil {
t.Fatal(err)
}
return open, secrets
}
@@ -70,9 +68,6 @@ func TestTheFactsCarryNoSecretNoAddressAndNoName(t *testing.T) {
if err != nil {
t.Fatal(err)
}
if f.Format != 2 {
t.Fatalf("the writer wrote format %d, not 2 (issue 1394)", f.Format)
}
body, err := f.Encode()
if err != nil {
t.Fatal(err)
@@ -95,20 +90,6 @@ func TestTheFactsCarryNoSecretNoAddressAndNoName(t *testing.T) {
}
}
// 1394/AC1: the provider's machine lists the grant, the consumer's machine the binding, machine names scrubbed.
anchorFacts, _ := f.Machine(snapshot.Pseudonym("machine", "anchor"))
laptopFacts, _ := f.Machine(snapshot.Pseudonym("machine", "laptop"))
wantGrant := snapshot.Grant{Provision: "s3-bucket", ConsumerNode: snapshot.Pseudonym("machine", "laptop"), ConsumerModule: "files"}
if len(anchorFacts.Grants) != 1 || anchorFacts.Grants[0] != wantGrant {
t.Errorf("the anchor's grants read as %+v, want %+v", anchorFacts.Grants, wantGrant)
}
wantBinding := snapshot.Binding{ConsumerModule: "files", Provision: "s3-bucket",
ProviderNode: snapshot.Pseudonym("machine", "anchor"), ProviderModule: "objects"}
if len(laptopFacts.Bindings) != 1 || laptopFacts.Bindings[0] != wantBinding {
t.Errorf("the laptop's bindings read as %+v, want %+v", laptopFacts.Bindings, wantBinding)
}
// 1394/AC2: the text scan above ran over a snapshot that holds those rows, so no sealed value is among them.
// What a check needs is there: every machine, its length, its modules, its declaration composing.
if len(f.Machines) != 2 || f.Longest() != len("laptop") {
t.Fatalf("machines %+v, longest %d", f.Machines, f.Longest())
@@ -9,8 +9,8 @@ import (
"time"
"git.novox.be/novox/mesh-sdk/go/asks"
"git.novox.be/novox/mesh-sdk/go/catalogue"
"github.com/novox/mesh-controller/internal/broker"
"github.com/novox/mesh-controller/internal/catalogue"
"github.com/novox/mesh-controller/internal/identity"
"github.com/novox/mesh-controller/internal/link"
)
@@ -12,8 +12,8 @@ import (
"github.com/nats-io/nats.go/jetstream"
"git.novox.be/novox/mesh-sdk/go/catalogue"
"github.com/novox/mesh-controller/internal/broker"
"github.com/novox/mesh-controller/internal/catalogue"
"github.com/novox/mesh-controller/internal/inventory"
"github.com/novox/mesh-controller/internal/link"
"github.com/novox/mesh-controller/internal/testbus"
+1 -1
View File
@@ -3,7 +3,7 @@ package main
import (
"testing"
"git.novox.be/novox/mesh-sdk/go/catalogue"
"github.com/novox/mesh-controller/internal/catalogue"
"github.com/novox/mesh-controller/internal/inventory"
"github.com/novox/mesh-controller/internal/link"
)
-160
View File
@@ -1,160 +0,0 @@
package main
import (
"context"
"errors"
"strings"
"testing"
"time"
"git.novox.be/novox/mesh-sdk/go/catalogue"
"github.com/novox/mesh-controller/internal/inventory"
)
// A world reader that fails the first `failing` reads, as the mesh does while the forge's seat holder changes in
// the plan's tier (novox/hq issue 1277), then answers with the forge held.
func aWorldFailing(failing int) (func(context.Context) (catalogue.World, error), *int) {
reads := 0
return func(context.Context) (catalogue.World, error) {
reads++
if reads <= failing {
return catalogue.World{}, errors.New("the mesh cannot be read: nothing serves")
}
return forgeHolding(float64(20000)), nil
}, &reads
}
const aRepoOnTheForge = "http://anchor.internal:20000/novox/mesh-delivery.git"
// 1277/AC1: a base that could not be read is not remembered as known.
func TestAnUnreadForgeAddressIsNotKeptAsKnown(t *testing.T) {
read, _ := aWorldFailing(1)
clock := time.Now()
forms := sourceFormsRead(context.Background(), func() time.Time { return clock }, read)
if _, _, ok := forms.onTheForge(aRepoOnTheForge, ""); ok {
t.Fatal("1277/AC1: the source was on the forge with the address unread")
}
clock = clock.Add(failedKept) // the failure is kept only for a moment, not as a known empty base
owner, name, ok := forms.onTheForge(aRepoOnTheForge, "")
if !ok || owner != "novox" || name != "mesh-delivery" {
t.Fatalf("1277/AC1: the second ask answered %q %q %v, not the owner and name: the empty base was kept", owner, name, ok)
}
}
type aMeshRegisteredFromTheURL struct {
anEmptyMesh
from string
}
func (m *aMeshRegisteredFromTheURL) SourceOf(context.Context, string) (inventory.Source, error) {
return inventory.Source{Repository: m.from}, nil
}
// The wait on a clock of its own, in place of the registration's.
func withFakeAddressWait(t *testing.T) *[]time.Duration {
w, paused := aFakeWait(60 * time.Second)
w.first, w.most = 5*time.Second, 5*time.Second
was := forgeAddressWait
forgeAddressWait = w
t.Cleanup(func() { forgeAddressWait = was })
return paused
}
func registerFrom(t *testing.T, forms *sourceForms) (int64, error) {
mesh := &aMeshRegisteredFromTheURL{anEmptyMesh{asked: true,
request: inventory.BuildRequest{ID: "build-1", Repository: aRepoOnTheForge, For: "build"}}, aRepoOnTheForge}
return mayRegisterIn(t.Context(), mesh, forms, "mesh-delivery-view", inventory.Source{Repository: aRepoOnTheForge},
"build-1", "", "main")
}
// 1277/AC2: an address unread twice, then read, is waited out and the forge is asked.
func TestAForgeAddressUnreadForAMomentIsWaitedOut(t *testing.T) {
paused := withFakeAddressWait(t)
read, reads := aWorldFailing(2)
id, err := registerFrom(t, sourceFormsRead(context.Background(), time.Now, read))
if err != nil || id == 0 {
t.Fatalf("1277/AC2: the registration was refused (id %d): %v", id, err)
}
if *reads != 3 || len(*paused) != 2 {
t.Fatalf("1277/AC2: %d reads and %d pauses, want 3 and 2", *reads, len(*paused))
}
}
// 1277/AC3: an address unread for the whole bound is said so, with the read's error.
func TestAForgeAddressUnreadForTheWholeBoundIsSaidSo(t *testing.T) {
paused := withFakeAddressWait(t)
read, _ := aWorldFailing(1 << 30)
_, err := registerFrom(t, sourceFormsRead(context.Background(), time.Now, read))
if !errors.Is(err, errNotItsSource) {
t.Fatalf("1277/AC3: not refused: %v", err)
}
for _, want := range []string{"the forge's address could not be read", "nothing serves"} {
if !strings.Contains(err.Error(), want) {
t.Errorf("1277/AC3: the refusal lacks %q: %v", want, err)
}
}
if strings.Contains(err.Error(), "not on the mesh's forge") {
t.Errorf("1277/AC3: the refusal says the source is not on the forge: %v", err)
}
var total time.Duration
for _, d := range *paused {
total += d
}
if total > 60*time.Second || total < 50*time.Second {
t.Errorf("1277/AC3: waited %s, want about the 60 s bound", total)
}
}
// 1277/AC4: a known address and a URL on another host is still not on the forge.
func TestAKnownAddressAndAnotherHostIsStillNotOnTheForge(t *testing.T) {
withFakeAddressWait(t)
read, _ := aWorldFailing(0)
const elsewhere = "http://elsewhere.example/x/y.git"
mesh := &aMeshRegisteredFromTheURL{anEmptyMesh{asked: true, request: inventory.BuildRequest{ID: "build-1", For: "build"}}, elsewhere}
_, err := mayRegisterIn(t.Context(), mesh, sourceFormsRead(context.Background(), time.Now, read), "mesh-delivery-view",
inventory.Source{Repository: elsewhere}, "build-1", "", "main")
if !errors.Is(err, errNotItsSource) || !strings.Contains(err.Error(), "is not on the mesh's forge") {
t.Fatalf("1277/AC4: the refusal changed: %v", err)
}
}
// The registration holds the controller's one receive loop: the wait for the forge's address and the wait for its
// answer together keep to one bound, not one each (novox/hq issue 1277, review F1).
func TestTheTwoWaitsOfARegistrationKeepToOneBound(t *testing.T) {
w, paused := aFakeWait(60 * time.Second)
address, answer := w, w
address.first, address.most = 5*time.Second, 5*time.Second
wasAddress, wasWait, wasAsk := forgeAddressWait, forgeWait, askTheForge
forgeAddressWait, forgeWait = address, answer
askTheForge = func(ctx context.Context, owner, repo, _ string) (forgeFacts, error) {
return askedWithinBudget(ctx, owner+"/"+repo, func(context.Context) (forgeFacts, error) {
return forgeFacts{}, notServed()
})
}
t.Cleanup(func() { forgeAddressWait, forgeWait, askTheForge = wasAddress, wasWait, wasAsk })
read, _ := aWorldFailing(6) // the address comes back after 30 s of waiting; the forge then never answers
_, err := registerFrom(t, sourceFormsRead(context.Background(), time.Now, read))
if !errors.Is(err, errNotItsSource) {
t.Fatalf("not refused: %v", err)
}
var total time.Duration
for _, d := range *paused {
total += d
}
if total > 60*time.Second {
t.Fatalf("1277 review F1: the registration waited %s in all, past the one 60 s bound", total)
}
}
// An unreadable address is kept for a moment, so the callers that loop over every catalogue entry compose the mesh
// once, not once each (novox/hq issue 1277, review F2).
func TestAnUnreadableAddressIsComposedOnceForACatalogueLoop(t *testing.T) {
read, reads := aWorldFailing(1 << 30)
forms := sourceFormsRead(context.Background(), time.Now, read)
for range 180 {
forms.base(gitSeat)
}
if *reads != 1 {
t.Fatalf("1277 review F2: the mesh was composed %d times for 180 asks of the address, want once", *reads)
}
}
+1 -1
View File
@@ -13,8 +13,8 @@ import (
"github.com/nats-io/nats.go"
"github.com/nats-io/nats.go/micro"
"git.novox.be/novox/mesh-sdk/go/catalogue"
"github.com/novox/mesh-controller/internal/broker"
"github.com/novox/mesh-controller/internal/catalogue"
"github.com/novox/mesh-controller/internal/conditions"
"github.com/novox/mesh-controller/internal/inventory"
"github.com/novox/mesh-controller/internal/lease"
+1 -1
View File
@@ -11,7 +11,7 @@ import (
"testing"
"time"
"git.novox.be/novox/mesh-sdk/go/catalogue"
"github.com/novox/mesh-controller/internal/catalogue"
"github.com/novox/mesh-controller/internal/conditions"
"github.com/novox/mesh-controller/internal/inventory"
"github.com/novox/mesh-controller/internal/lease"
+1 -1
View File
@@ -12,7 +12,7 @@ import (
"testing"
"time"
"git.novox.be/novox/mesh-sdk/go/catalogue"
"github.com/novox/mesh-controller/internal/catalogue"
"github.com/novox/mesh-controller/internal/conditions"
"github.com/novox/mesh-controller/internal/inventory"
"github.com/novox/mesh-controller/internal/lease"

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