Files
mesh-sdk/go/buscompose/buscompose_test.go
T

825 lines
45 KiB
Go

package buscompose
import (
"encoding/json"
"errors"
"os"
"path/filepath"
"reflect"
"regexp"
"slices"
"strings"
"testing"
"time"
"git.novox.be/novox/mesh-sdk/go/announce"
"git.novox.be/novox/mesh-sdk/go/catalogue"
"git.novox.be/novox/mesh-sdk/go/delivery"
"git.novox.be/novox/mesh-sdk/go/provisions"
"github.com/nats-io/nats.go/jetstream"
)
// Defends issue 1377 and novox/hq ADR 0547 §5: this is the controller's bus composer copied, and it composes byte for
// byte what the controller's composes. testdata/controller-user-lists.json was written by the controller's own
// internal/broker (mesh-controller branch fix/1945-mesh-grants-publishes-memberships, and fix/1790-grants-create-buckets for the grants part creating declared streams), lists and memberships, from fixtures_test.go compiled there unchanged; composed.conf is the
// controller's golden of the whole server configuration. A row that differs is the copy drifting from the controller,
// which is a fault while both compose (until the controller loses its lease, ADR 0547 §13), but for the grants the copy
// gives beyond it on purpose (beyondTheControllers): the copy grants every user everything the controller's grants, and
// only those more.
// createdAdvisory is one subscription to a bucket's creation in a composed list, as stateCreatedHeard composes it.
var createdAdvisory = regexp.MustCompile(`"\$JS\.EVENT\.ADVISORY\.STREAM\.CREATED\.KV_[^"]*", `)
// beyondTheControllers is what the copy grants beyond the controller's on purpose (novox/hq ADR 0547 §2, ADR 0555 §3,
// issue 1126), by user: a node's account reads every node's own facts, `<node>.node` of the have bucket where the node's
// record rides, and what it composes its own modules from (NodeComposeReads). After the take-over (ADR 0547 §8) the
// grants part's list is the one the bus loads; a hand-back loads the controller's, which lacks these reads, and the nodes
// keep applying without composing their own until the next take-over. Each principal's hearing of its buckets' creation
// (issue 1790) is the other row beyond, matched by createdAdvisory.
//
// And the watchman's dead letters and watchdogs (novox/hq ADR 0564 clauses 4, 5, issue 1952 S5): its own consumer on
// DEAD_LETTER_NOTICES, a read of DEAD_LETTERS, and the words its watchdogs hear, the controller's jobs until the lease
// write.
func beyondTheControllers(user string) map[string]bool {
out := map[string]bool{}
if strings.HasSuffix(user, "."+WatchmanModule) {
for _, s := range append(WatchmanDeadLetterGrants(nil), WatchmanHears()...) {
out[s] = true
}
}
node, ok := strings.CutPrefix(user, "node.")
if !ok {
return out
}
for _, s := range append(append(readGrants("node-engine_have", "*.node"), NodeComposeReads(node)...), NodeComposeAdvisories()...) {
out[s] = true
}
return out
}
// mayBeyondTheControllers is what the copy may grant beyond the controller's where the records allow it, and need not
// where they do not: a node's ask of the vault's `own` while the vault serves it (issue 1126, ADR 0550 §5).
func mayBeyondTheControllers(user string) map[string]bool {
// A runtime's read of its membership from the grants part's state (novox/hq ADR 0571 clause 7): its own key, or the
// tool runner's node's.
if parts := strings.Split(user, "."); len(parts) == 2 && parts[0] != "node" {
key := user
if parts[1] == RuntimeModule {
key = parts[0] + ".*"
}
out := map[string]bool{}
for _, s := range readGrants(GrantsMembershipsBucket, key) {
out[s] = true
}
return out
}
if _, ok := strings.CutPrefix(user, "node."); !ok {
return nil
}
return map[string]bool{VaultOwnCall(Principal{Kind: KindNode, Node: strings.TrimPrefix(user, "node.")}): true,
VaultSecretChanged: true}
}
// engineBeyond is a node's engine holding its node seat and asking the operator in its own name (novox/hq ADR 0563 §1,
// §3), beyond the controller's on purpose: its own node's verbs, events and discovery, the bus's discovery asked, and
// the router's seat traffic under node-engine-<node>.
func engineBeyond(user, g string) bool {
node, ok := strings.CutPrefix(user, "node.")
if !ok {
return false
}
return strings.HasPrefix(g, "mesh.seat."+EngineSeat+".") && strings.Contains(g, "."+node) ||
strings.HasPrefix(g, "$SRV.") || strings.Contains(g, ".node-engine-"+node) ||
strings.Contains(g, "KV_"+EngineActsBucket) || strings.HasPrefix(g, "$KV."+EngineActsBucket+"."+node+".") ||
// And its node's declared packages (novox/hq ADR 0565 clause 6).
strings.Contains(g, "KV_"+EnginePackagesBucket) || g == "$KV."+EnginePackagesBucket+"."+node ||
// And its own health report (issue 774).
strings.Contains(g, "KV_"+delivery.NodeHealthBucket) || g == "$KV."+delivery.NodeHealthBucket+"."+node ||
// And the provisions of its node's modules, read (novox/hq ADR 0570 clause 6).
strings.Contains(g, "KV_"+provisions.ProvisionsBucket)
}
// createsAnAccountsConsumer is the grants part's create and read of a durable consumer an account needs, by its stream
// and name (novox/hq ADR 0561 §6): beyond the controller's on purpose, since the controller made them alone.
func createsAnAccountsConsumer(user, g string) bool {
return strings.HasSuffix(user, "."+GrantsModule) &&
(strings.HasPrefix(g, "$JS.API.CONSUMER.CREATE.") || strings.HasPrefix(g, "$JS.API.CONSUMER.INFO."))
}
// quotedToken is a quoted token of a composed list.
var quotedToken = regexp.MustCompile(`"[^"]*"`)
// grantsByUser splits a composed list into the text outside its users and each user's quoted tokens (its name, its
// password's hash, every subject it may publish or subscribe to), by user.
func grantsByUser(list string) (string, map[string]map[string]bool) {
var outside strings.Builder
users := map[string]map[string]bool{}
user := ""
for _, line := range strings.SplitAfter(list, "\n") {
trimmed := strings.TrimSpace(line)
if name, ok := strings.CutPrefix(trimmed, `{ user: "`); ok {
user, _, _ = strings.Cut(name, `"`)
users[user] = map[string]bool{}
} else if user != "" && trimmed == "]" {
user = ""
}
if user == "" {
outside.WriteString(line)
continue
}
for _, q := range quotedToken.FindAllString(line, -1) {
users[user][strings.Trim(q, `"`)] = true
}
}
return outside.String(), users
}
// grantsAsTheControllers fails t unless the copy's list is the controller's, user for user, but for the grants it
// names on purpose (beyondTheControllers, the creation advisories): every grant of the controller's is the copy's, and
// the copy's beyond them are exactly those, every one of them there.
func grantsAsTheControllers(t *testing.T, got, want string) {
t.Helper()
gotOutside, gotUsers := grantsByUser(got)
wantOutside, wantUsers := grantsByUser(want)
if gotOutside != wantOutside {
t.Errorf("the list differs from the controller's outside its users:\n%s", gotOutside)
}
for user, was := range wantUsers {
now, ok := gotUsers[user]
if !ok {
t.Errorf("the copy has no user %s", user)
continue
}
intended := beyondTheControllers(user)
for g := range was {
if !now[g] {
t.Errorf("%s: the copy does not grant %s, which the controller's does", user, g)
}
}
for g := range now {
if !was[g] && !intended[g] && !mayBeyondTheControllers(user)[g] && !createdAdvisory.MatchString(`"`+g+`", `) &&
!createsAnAccountsConsumer(user, g) && !engineBeyond(user, g) {
t.Errorf("%s: the copy grants %s beyond the controller's, and no decision names it", user, g)
}
}
for g := range intended {
if !now[g] {
t.Errorf("%s: the copy does not grant %s, which a node composing its own modules reads", user, g)
}
}
}
for user := range gotUsers {
if _, ok := wantUsers[user]; !ok {
t.Errorf("the copy has a user %s the controller's has not", user)
}
}
}
const SignersBucketName = "mesh-vault_signers"
func TestTheCopiedComposerComposesAsTheControllers(t *testing.T) {
// ADR 0567 §3, §9: a node reads every key of the seat's placement and its candidates (it composes with the whole
// proposal laid over), and none of its open proposals; it writes neither.
reads := strings.Join(NodeComposeReads("laptop"), " ")
for bucket, granted := range map[string]bool{delivery.PlacementBucket: true, delivery.PlacementCandidatesBucket: true,
delivery.PlacementProposalsBucket: false} {
if strings.Contains(reads, "$JS.API.DIRECT.GET.KV_"+bucket+".>") != granted || strings.Contains(reads, "$KV."+bucket+".laptop") {
t.Errorf("a node is granted %s: %v, want %v", bucket, !granted, granted)
}
}
// It hears the creation of those two buckets, and of no other.
if got := NodeComposeAdvisories(); len(got) != 2 || got[0] != "$JS.EVENT.ADVISORY.STREAM.CREATED.KV_mesh-delivery-assigner_placement" ||
got[1] != "$JS.EVENT.ADVISORY.STREAM.CREATED.KV_mesh-delivery-assigner_candidates" {
t.Errorf("a node hears the creation of %v", got)
}
raw, err := os.ReadFile(filepath.Join("testdata", "controller-user-lists.json"))
if err != nil {
t.Fatal(err)
}
var want []struct {
Name, List string
Missing []string
Err string
Memberships json.RawMessage
}
if err := json.Unmarshal(raw, &want); err != nil {
t.Fatal(err)
}
fixtures := UserListFixtures()
if len(want) != len(fixtures) {
t.Fatalf("%d fixtures, %d lists the controller composed", len(fixtures), len(want))
}
for i, f := range fixtures {
t.Run(f.Name, func(t *testing.T) {
if want[i].Name != f.Name {
t.Fatalf("fixture %q against the controller's %q", f.Name, want[i].Name)
}
list, missing, err := ComposedFor(f)
got := ""
if err != nil {
got = err.Error()
}
if got != want[i].Err {
t.Fatalf("error %q, the controller's %q", got, want[i].Err)
}
if strings.Join(missing, ",") != strings.Join(want[i].Missing, ",") {
t.Errorf("left out %v, the controller %v", missing, want[i].Missing)
}
// The one row the copy composes beyond the controller's, on purpose (novox/hq issue 1790, 2026-10-26, after
// the take-over of ADR 0547 milestone 2): each principal hears its own and read buckets created, so a state
// missing at its start is bound when it appears. The controller's composer is frozen and its list no longer
// loaded; while it is not, this row is left out of the comparison and nothing else.
grantsAsTheControllers(t, list, want[i].List)
// And every membership the records issue, as the controller's MembershipFor makes it (ADR 0547 §5): the
// grants part publishes them.
raw, err := json.Marshal(MembershipsFor(f))
if err != nil {
t.Fatal(err)
}
var gotM, wasM any
if err := json.Unmarshal(raw, &gotM); err != nil {
t.Fatal(err)
}
if err := json.Unmarshal(want[i].Memberships, &wasM); err != nil {
t.Fatal(err)
}
if !reflect.DeepEqual(gotM, wasM) {
t.Errorf("the memberships differ from the controller's:\n%s", raw)
}
})
}
// An asker on a seat pulled by kind hears what that seat's workers gave up on, and no other stream's dead letters
// (novox/hq issue 734: a check ask given up during a bus reload left its try running for ever).
t.Run("an asker reads its seat's dead letters", func(t *testing.T) {
build := Seat{Name: "node-build-go", Scope: "node", Accepts: []string{"delivery", "check", "recheck"}, PulledByKind: true}
perms, err := PermissionsFor(Principal{Kind: KindModule, Node: "one", Module: "mesh-delivery-checker", Uses: []Seat{build}})
if err != nil {
t.Fatal(err)
}
for subject, want := range map[string]bool{
"$JS.API.CONSUMER.CREATE.DEAD_LETTERS.x1.mesh.events.dead.SEAT_NODE_BUILD_GO.>": true,
"$JS.API.CONSUMER.CREATE.DEAD_LETTERS.x1.mesh.events.dead.SEAT_NODE_BUILD_GO.w.next": true,
"$JS.API.CONSUMER.DELETE.DEAD_LETTERS.x1": true,
"$JS.API.CONSUMER.MSG.NEXT.DEAD_LETTERS.x1": true,
"$JS.API.CONSUMER.CREATE.DEAD_LETTERS.x1.mesh.events.dead.EVENTS.>": false,
"$JS.API.CONSUMER.CREATE.DEAD_LETTERS.x1": false,
"$JS.API.STREAM.PURGE.DEAD_LETTERS": false,
"$JS.FC.DEAD_LETTERS.x1": false,
} {
if got := MayPublish(perms, subject); got != want {
t.Errorf("may publish %s: %v, want %v", subject, got, want)
}
}
plain, err := PermissionsFor(Principal{Kind: KindModule, Node: "one", Module: "shop",
Uses: []Seat{{Name: "telegram-sender", Accepts: []string{"send"}}}})
if err != nil {
t.Fatal(err)
}
if MayPublish(plain, "$JS.API.CONSUMER.DELETE.DEAD_LETTERS.x1") {
t.Error("a user of a seat not pulled by kind reads DEAD_LETTERS")
}
})
// ADR 0563 §1, §3, §6: each node's engine alone answers its own node's node-engine verbs and says its events, any
// runtime may call them, and it asks the operator under node-engine-<node> alone.
t.Run("a node's engine holds its node seat and asks in its own name", func(t *testing.T) {
router := Seat{Name: AsksSeat, Accepts: []string{"ask", "cancel"}, Emits: []string{"decided"},
ByCaller: []string{"ask", "cancel", "decided"}, Records: []string{"messenger_asks"}}
users, err := Users(Records{Nodes: []string{"one", "two"}, Assigned: map[string][]Declared{
"one": {{Module: "messenger", Holds: []Seat{router}, Invokes: []string{"seat:" + EngineSeat + ".root-free"}}},
"two": {{Module: RuntimeModule}, {Module: "shop", Invokes: []string{"*"}}}}})
if err != nil {
t.Fatal(err)
}
for _, u := range users {
perms, err := PermissionsFor(u)
if err != nil {
t.Fatal(err)
}
answers := MaySubscribe(perms, "mesh.seat."+EngineSeat+".tool.root-free.one") ||
MaySubscribe(perms, "mesh.seat."+EngineSeat+".call.root-free.one.messenger~one")
if engineOne := u.Kind == KindNode && u.Node == "one"; answers != engineOne {
t.Errorf("%s answers one's root-free: %v", u.Username(), answers)
}
switch {
case u.Kind == KindNode && u.Node == "one":
for subject, want := range map[string]bool{
"mesh.seat.operator-channel.accept.ask.node-engine-one": true,
"mesh.seat.operator-channel.accept.cancel.node-engine-one": true,
"mesh.seat.operator-channel.accept.ask.node-engine-two": false,
"$JS.API.DIRECT.GET.KV_messenger_asks.$KV.messenger_asks.node-engine-one.hand-over-1": true,
"$JS.API.DIRECT.GET.KV_messenger_asks.$KV.messenger_asks.node-engine-two.hand-over-1": false,
"mesh.seat." + EngineSeat + ".event.done.one": true,
"mesh.seat." + EngineSeat + ".event.done.two": false,
"$SRV.INFO": true,
} {
if got := MayPublish(perms, subject); got != want {
t.Errorf("node one may publish %s: %v, want %v", subject, got, want)
}
}
if !MaySubscribe(perms, "mesh.seat.operator-channel.event.decided.node-engine-one") ||
MaySubscribe(perms, "mesh.seat.operator-channel.event.decided.node-engine-two") ||
!MaySubscribe(perms, "$SRV.INFO."+EngineSeat) || MaySubscribe(perms, "mesh.seat."+EngineSeat+".tool.hand-over.two") {
t.Errorf("node one hears %v", perms.Subscribe)
}
case u.Kind == KindNodeTools || u.Module == "messenger":
if !MayPublish(perms, "mesh.seat."+EngineSeat+".tool.root-free.one") {
t.Errorf("%s cannot call one's root-free", u.Username())
}
}
}
})
// Issue 1126 (ADR 0550 §5): a node's engine asks the vault's `own` in its own name while the vault serves it, and no
// other node's.
t.Run("a node asks the vault its own secrets", func(t *testing.T) {
one := Principal{Kind: KindNode, Node: "one", AsksItsOwnSecrets: true}
perms, err := PermissionsFor(one)
if err != nil {
t.Fatal(err)
}
if !MayPublish(perms, VaultOwnCall(one)) || MayPublish(perms, VaultOwnCall(Principal{Kind: KindNode, Node: "two"})) {
t.Errorf("node one asks own as %v, and as two %v", MayPublish(perms, VaultOwnCall(one)),
MayPublish(perms, VaultOwnCall(Principal{Kind: KindNode, Node: "two"})))
}
if plain, _ := PermissionsFor(Principal{Kind: KindNode, Node: "one"}); MayPublish(plain, VaultOwnCall(one)) {
t.Error("a node asks own while the vault does not serve it")
}
if !slices.Contains(perms.Subscribe, VaultSecretChanged) {
t.Errorf("node one does not hear the vault's secret-changed: %v", perms.Subscribe)
}
// L3 s6 (ADR 0550 §2): while the vault serves `sign`, a node asks it in its own name alone, and reads the vault's
// `signers` and the lease key, never writing either.
signs, _ := PermissionsFor(Principal{Kind: KindNode, Node: "one", AsksTheVaultToSign: true})
signersGet := "$JS.API.DIRECT.GET.KV_" + SignersBucketName + ".$KV." + SignersBucketName + ".key"
leaseGet := "$JS.API.DIRECT.GET.KV_" + LeaseBucket + ".$KV." + LeaseBucket + ".holder"
for subject, want := range map[string]bool{VaultSignCall(one): true, signersGet: true, leaseGet: true,
VaultSignCall(Principal{Kind: KindNode, Node: "two"}): false, "$KV." + SignersBucketName + ".key": false,
"$KV." + LeaseBucket + ".holder": false} {
if MayPublish(signs, subject) != want {
t.Errorf("a node asking sign may publish %s: %v, want %v", subject, !want, want)
}
}
if MayPublish(perms, VaultSignCall(one)) || MayPublish(perms, signersGet) {
t.Error("a node asks sign or reads signers while the vault does not serve sign")
}
// And what a module on another node serves from its settings, that key alone (mailu's smtp domain, issue 1126).
users, err := Users(Records{Nodes: []string{"one", "two"}, Assigned: map[string][]Declared{
"two": {{Module: "mailer", Served: []string{"domain", "not.a.token"}}}}})
if err != nil {
t.Fatal(err)
}
get := func(key string) string {
return "$JS.API.DIRECT.GET.KV_" + ResolvedBucket + ".$KV." + ResolvedBucket + "." + key
}
for _, u := range users {
if u.Kind != KindNode {
continue
}
perms, err := PermissionsFor(u)
if err != nil {
t.Fatal(err)
}
if u.Node == "one" && (!reflect.DeepEqual(u.ServedReads, []string{"two.mailer.domain"}) || !MayPublish(perms, get("two.mailer.domain")) ||
MayPublish(perms, get("two.mailer.sitename"))) {
t.Errorf("node one reads %v of two's resolved values", u.ServedReads)
}
if u.Node == "two" && len(u.ServedReads) != 0 {
t.Errorf("node two is granted its own served keys apart: %v", u.ServedReads)
}
}
})
t.Run("the controller's golden server configuration", func(t *testing.T) {
seat := Seat{Name: "telegram-sender", Accepts: []string{"send"}, Emits: []string{"delivered", "failed"}}
got, err := Compose(
Server{ClientPort: 4222, MonitoringPort: 8222, StoreDir: "/data",
TLSCert: "/tls/tls.crt", TLSKey: "/tls/tls.key", TLSCA: "/tls/ca.crt"},
[]Principal{
{Kind: KindController, PasswordHash: "$2a$11$cccccccccccccccccccccc"},
{Kind: KindEnrolment, Node: "one", PasswordHash: "$2a$11$eeeeeeeeeeeeeeeeeeeeee"},
{Kind: KindNode, Node: "one", PasswordHash: "$2a$11$nnnnnnnnnnnnnnnnnnnnnn"},
{Kind: KindModule, Node: "one", Module: "telegram", Holds: []Seat{seat},
Serves: []string{"status"}, PasswordHash: "$2a$11$tttttttttttttttttttttt"},
{Kind: KindModule, Node: "two", Module: "shop", Uses: []Seat{seat},
Emits: []string{"order.placed"}, PasswordHash: "$2a$11$ssssssssssssssssssssss"},
{Kind: KindModule, Node: "two", Module: "audit",
Consumes: []string{"shop.order.placed"}, PasswordHash: "$2a$11$aaaaaaaaaaaaaaaaaaaaaa"},
{Kind: KindModule, Node: "one", Module: WatchmanModule, PasswordHash: "$2a$11$wwwwwwwwwwwwwwwwwwwwww"},
{Kind: KindModule, Node: "one", Module: "nats", SnapshotsTheBus: true,
Serves: []string{"nats_streams"}, PasswordHash: "$2a$11$bbbbbbbbbbbbbbbbbbbbbb"},
})
if err != nil {
t.Fatal(err)
}
want, err := os.ReadFile(filepath.Join("testdata", "composed.conf"))
if err != nil {
t.Fatal(err)
}
grantsAsTheControllers(t, got, string(want))
})
// 774/AC2 (novox/hq ADR 0561 §2): a wanted account round-trips through the grants part's state `accounts`, keyed by
// its user, at the subject `$KV.mesh-grants_accounts.<user>`, read by the vault alone; and the vault's account-issued
// names the account, never a value.
t.Run("a wanted account is kept by its user and read by the vault alone", func(t *testing.T) {
for _, w := range []WantedAccount{
{User: "ace.mesh-build-go", Kind: KindModule, Node: "ace", Module: "mesh-build-go", URL: "nats://novox.mesh:4222",
Fingerprint: "ab", Claims: []ClaimedSeat{{Seat: "node-build-go", Scope: "node", Serves: []string{"build"}}}},
{User: "novox.mesh-mail.send", Kind: KindProcess, Node: "novox", Module: "mesh-mail", Process: "send",
URL: "nats://novox.mesh:4222"},
{User: "provisioner.g14", Kind: KindProvisioner, Node: "g14", Module: "mesh-provisioner-client",
URL: "nats://novox.mesh:4222", Fingerprint: "ab"},
} {
if err := w.Valid(); err != nil {
t.Fatalf("%s: %v", w.User, err)
}
raw, err := json.Marshal(w)
if err != nil {
t.Fatal(err)
}
back, err := ReadWantedAccount(w.User, raw)
if err != nil || !back.Same(w) {
t.Errorf("%s does not round-trip: %+v, %v", w.User, back, err)
}
if got := AccountsSubject(w.User); got != "$KV.mesh-grants_accounts."+w.User {
t.Errorf("%s is kept at %s", w.User, got)
}
if _, err := ReadWantedAccount("someone.else", raw); err == nil {
t.Errorf("%s was read under another user's key", w.User)
}
}
for _, bad := range []WantedAccount{
{User: "ace.x", Kind: KindModule, Node: "ace", Module: "y", URL: "nats://a:1"},
{User: "ace.x.p", Kind: KindProcess, Node: "ace", Module: "x", URL: "nats://a:1"},
{User: "node.ace", Kind: KindNode, Node: "ace", URL: "nats://a:1"},
{User: "controller", Kind: KindController, URL: "nats://a:1"},
{User: "ace.x", Kind: KindModule, Node: "ace", Module: "x"},
} {
if bad.Valid() == nil {
t.Errorf("%+v is taken as a wanted account", bad)
}
}
if ReaderMay("mesh-delivery-assigner", GrantsAccounts) || !ReaderMay(VaultSeat, GrantsAccounts) {
t.Errorf("%s is read by %v alone, want the vault's", GrantsAccounts, NamedReaders[GrantsAccounts])
}
e := AccountIssued{User: "ace.x", Kind: KindModule, Node: "ace", Module: "x", Generation: 1}
raw, _ := json.Marshal(e)
if strings.Contains(string(raw), "password") || strings.Contains(string(raw), "hash") ||
AccountIssuedSubject != "mesh.mod.mesh-vault.event.account-issued" {
t.Errorf("account-issued says %s at %s", raw, AccountIssuedSubject)
}
})
// 774/AC3 (novox/hq ADR 0561 §2): the account the vault seals is, byte for byte, what the controller hands for each of
// its three kinds: testdata/controller-credentials.json was written by the controller's own code (its "how").
t.Run("a held account is the controller's shape byte for byte", func(t *testing.T) {
raw, err := os.ReadFile(filepath.Join("testdata", "controller-credentials.json"))
if err != nil {
t.Fatal(err)
}
var captured struct {
Rows []struct{ Name, Held string }
}
if err := json.Unmarshal(raw, &captured); err != nil {
t.Fatal(err)
}
vault := ClaimedSeat{Seat: "mesh-vault", Scope: "mesh", Serves: []string{"get", "accept", "secret-ask", "issued",
"rotate", "move-in", "node-key", "own", "move-asks"}}
controller := ClaimedSeat{Seat: "mesh-controller", Scope: "mesh", Serves: strings.Split("tools,calls,status,nodes,"+
"node,placement-export,modules,seats,builds,plans,delivery-plan,delivery-order,delivery-check,deliver,"+
"delivery-stop,delivery-backups-again,delivery-walks,plan,assign,unassign,pin,unpin,push,rotate,give,issued,"+
"secret-move,secret-ask,issue,token,settings,command,queue,cancel,clear,replay,try,kill,pause,resume,hand-act,"+
"drill,warranted,hand-acts,durations,conditions,healers,doctor,upgrade,bus,retire,cleanup,judge-directories,"+
"root-free,dead-letters,data,build,artifacts,held,collect,move-placement,move-config,mirrors,images", ",")}
at := "nats://10.0.0.1:4222"
wanted := map[string]struct {
w WantedAccount
password string
}{
"module": {WantedAccount{User: "laptop.cap-bot", Kind: KindModule, Node: "laptop", Module: "cap-bot", URL: at,
Fingerprint: "ab:cd", Claims: []ClaimedSeat{vault, {Seat: "node-service-manager", Scope: "node",
Serves: []string{"status"}}, controller, {Seat: "no-such-seat", Scope: "node"}}}, "pw-module"},
"module-no-claims-no-fingerprint": {WantedAccount{User: "laptop.cap-plain", Kind: KindModule, Node: "laptop",
Module: "cap-plain", URL: at}, "pw-plain"},
"provisioner": {WantedAccount{User: "provisioner.laptop", Kind: KindProvisioner, Node: "laptop", Module: "nats",
URL: at, Fingerprint: "ab:cd"}, "pw-prov"},
"process": {WantedAccount{User: "laptop.mesh-mail.send", Kind: KindProcess, Node: "laptop", Module: "mesh-mail",
Process: "send", URL: at, Fingerprint: "ab:cd"}, "pw-proc"},
}
if len(captured.Rows) != len(wanted) {
t.Fatalf("%d rows captured, %d wanted", len(captured.Rows), len(wanted))
}
for _, row := range captured.Rows {
c, ok := wanted[row.Name]
if !ok {
t.Fatalf("no wanted account for the captured %s", row.Name)
}
got, err := HeldCredential(c.w, c.password)
if err != nil || string(got) != row.Held {
t.Errorf("%s:\n got %s (%v)\nwant %s", row.Name, got, err, row.Held)
}
}
if _, err := HeldCredential(wanted["module"].w, ""); err == nil {
t.Error("an account was held with no password")
}
})
// 774 subtasks 6 and 8 (novox/hq ADR 0561 §3, §6): minting and the grants part's consumers turn on only while the
// lease is handed to a holder that is no controller; the vault and the grants part alone read the lease, whatever the
// controller announced; a module's consumer is created as the controller's EnsureConsumer creates it.
t.Run("the lease turns minting on only when handed away; a consumer is created as the controller's", func(t *testing.T) {
for _, row := range []struct {
name string
raw string
found bool
err error
on bool
}{
{"a controller holds it", `{"instance":"novox/1234/2026-10-27T20:00:00Z","epoch":57}`, true, nil, false},
{"handed away", `{"handed-to":"the operator's hand-over","handed-by":"person.jochen"}`, true, nil, true},
{"expired or deleted", ``, false, nil, false},
{"unreadable", ``, false, errors.New("refused"), false},
{"not a holder", `[1]`, true, nil, false},
{"both a controller and a handed holder", `{"instance":"novox/1","handed-to":"x"}`, true, nil, false},
} {
if on, why := LeaseHandedAway([]byte(row.raw), row.found, row.err); on != row.on || why == "" {
t.Errorf("%s: on %v (%s), want %v", row.name, on, why, row.on)
}
// The assigner's grants source follows it: the grants part's bucket only for a handed-away lease (issue 774).
on, _ := LeaseHandedAway([]byte(row.raw), row.found, row.err)
if bucket, _ := delivery.GrantSource(on); (bucket == delivery.PartGrantsBucket) != row.on {
t.Errorf("%s: the grants source is %s", row.name, bucket)
}
}
announced := map[string]announce.States{ControllerSeat: ControllerAnnouncement("novox")}
for reader, want := range map[string]bool{VaultSeat: true, GrantsModule: true, "mesh-delivery-assigner": true, "mesh-delivery-view": false} {
granted, _ := ReadsAnnouncedBy(reader, []string{ControllerLease}, announced)
if (len(granted) == 1) != want {
t.Errorf("%s reads the lease: %v, want %v", reader, granted, want)
}
}
c, _ := ConsumerFor(Principal{Kind: KindModule, Node: "a", Module: "m", Consumes: []string{"x.happened"}})
cfg := ConsumerConfig(c)
if cfg.Durable != "a_m" || cfg.AckPolicy != jetstream.AckExplicitPolicy || cfg.AckWait != 30*time.Second ||
cfg.MaxDeliver != 5 || cfg.DeliverPolicy != jetstream.DeliverNewPolicy || len(cfg.FilterSubjects) != 2 ||
cfg.Description == "" {
t.Errorf("a module's consumer is created as %+v", cfg)
}
// The grants part is granted the create of each account's consumer by its stream and name, and no other.
users, err := Users(Records{Nodes: []string{"a"}, Assigned: map[string][]Declared{"a": {
{Module: GrantsModule}, {Module: "m", Consumes: []string{"x.happened"}}, {Module: "quiet"}}}})
if err != nil {
t.Fatal(err)
}
for _, u := range users {
if u.Module != GrantsModule || u.Kind != KindModule {
continue
}
perms, err := PermissionsFor(u)
if err != nil {
t.Fatal(err)
}
if !MayPublish(perms, "$JS.API.CONSUMER.CREATE.EVENTS.a_m") || MayPublish(perms, "$JS.API.CONSUMER.CREATE.EVENTS.a_quiet") ||
MayPublish(perms, "$JS.API.CONSUMER.DELETE.EVENTS.a_m") || MayPublish(perms, "$JS.API.CONSUMER.CREATE.EVENTS.a_m.mesh.mod.x.event.happened") {
t.Errorf("the grants part creates consumers as %v", u.CreatesConsumers)
}
}
// 1952 S5 (novox/hq ADR 0564 clauses 2, 5, 8; Limits 2, 4, 8): the health holders' credentials.
healthChecks(t)
q := ConsumerConfig(QueueConsumer(Principal{Kind: KindProcess, Node: "a", Module: "m", Process: "p"},
QueueOwner{Process: "p", Stream: "M_WORK", MaxDeliver: 3}))
if q.Durable != "a_m_p" || q.FilterSubject != "" || q.MaxDeliver != 3 || q.DeliverPolicy != jetstream.DeliverAllPolicy {
t.Errorf("a process's queue consumer is created as %+v", q)
}
})
}
// healthChecks are the health holders' credential cases (ADR 0564 clauses 2, 5, 8; Limits 2, 4, 8; issue 1952 S5).
func healthChecks(t *testing.T) {
t.Helper()
announced := map[string]announce.States{ControllerSeat: ControllerAnnouncement("novox"),
"mesh-healers": {Module: "mesh-healers", States: []announce.State{{Name: "attempts", Readable: true}, {Name: "would", Readable: true}}}}
for _, c := range []struct {
reader, read string
may bool
}{
{"mesh-conditions", ControllerLease, true}, {"mesh-healers", ControllerLease, true}, {WatchmanModule, ControllerLease, true},
{"mesh-self-check", ControllerLease, false}, {"messenger", ControllerLease, false}, {ArtifactStoreTools, ControllerLease, true},
{"mesh-conditions", ControllerConditions, true}, {"mesh-healers", ControllerConditions, false}, {"messenger", ControllerConditions, false},
{"mesh-healers", ControllerHandActs, true}, {"mesh-conditions", ControllerHandActs, false},
// ADR 0565 clauses 10, 11 (issue 1953 L5-S4): mesh-hand-acts reads the controller's log beside its own.
{"mesh-hand-acts", ControllerHandActs, true},
{"mesh-conditions", "mesh-healers.attempts", true}, {"mesh-conditions", HealersWould, false}, {"mesh-delivery-view", HealersWould, false},
} {
granted, _ := ReadsAnnouncedBy(c.reader, []string{c.read}, announced)
if (len(granted) == 1) != c.may {
t.Errorf("%s reads %s: %v, want %v", c.reader, c.read, granted, c.may)
}
}
bucket := func(m, n string) Bucket { return Bucket{Module: m, Name: n} }
users, err := Users(Records{Nodes: []string{"a"}, Assigned: map[string][]Declared{"a": {
{Module: "mesh-conditions", State: []Bucket{bucket("mesh-conditions", "conditions"), bucket("mesh-conditions", "takeover")},
Reads: []string{"mesh-self-check.findings", "mesh-healers.attempts", ControllerConditions}},
{Module: "mesh-self-check", State: []Bucket{bucket("mesh-self-check", "findings")}, Reads: []string{"restic.good"}},
// Issue 1955 L7: the grants part keeps the hearings it withholds; the self-check reads them.
{Module: GrantsModule, State: []Bucket{bucket(GrantsModule, GrantsWithheldState)}},
{Module: "mesh-healers", State: []Bucket{bucket("mesh-healers", "findings"), bucket("mesh-healers", "attempts"), bucket("mesh-healers", "would")}},
{Module: WatchmanModule, State: []Bucket{bucket(WatchmanModule, "findings")}, Reads: []string{delivery.NodeHealthRead}},
{Module: "mesh-hand-acts", State: []Bucket{bucket("mesh-hand-acts", "warrants")}, Logs: []Log{{Module: "mesh-hand-acts", Name: "acts"}}},
// ADR 0570 clauses 1, 8 (issue 1954 L6-P5): mesh-provisioner keeps provisions and plans; the vault and a provider
// read them.
{Module: "mesh-provisioner", State: []Bucket{bucket("mesh-provisioner", "provisions"), bucket("mesh-provisioner", "plans"),
bucket("mesh-provisioner", "registry")}},
{Module: "mesh-vault", Reads: []string{"mesh-provisioner.provisions", "mesh-provisioner.plans"}},
{Module: "postgres", Reads: []string{"mesh-provisioner.provisions", "mesh-provisioner.plans"}},
// The node's provisioner client reads its machine's plans and records no needs (ADR 0570 clause 2; its V3).
{Module: "mesh-provisioner-client", ProvisionsNode: true},
// ADR 0571 clauses 2, 4 (issue 1955): the seat mesh-artifact-sweep says artifacts-gone; the assigner keeps seat-holders.
{Module: "artifact-store-tools", Holds: []Seat{{Name: "mesh-artifact-sweep", Emits: []string{"artifacts-gone"}}},
Reads: []string{delivery.SeatHoldersRead}},
{Module: delivery.AssignerModule, State: []Bucket{bucket(delivery.AssignerModule, delivery.SeatHoldersState)}},
// ADR 0571 clause 3: disk-load keeps the readings; the backup holder reads them.
{Module: "disk-load", State: []Bucket{bucket("disk-load", "readings")}},
{Module: "restic", Reads: []string{"disk-load.readings"}, State: []Bucket{bucket("restic", "good")}},
// ADR 0571 clauses 1, 9: the indexer reads the builder's log through its own consumer; the catalogue module asks
// the builder's tool.
{Module: delivery.BuilderModule, Logs: []Log{{Module: delivery.BuilderModule, Name: delivery.BuilderLog, MaxAgeDays: 30}}},
{Module: delivery.IndexerModule, Reads: []string{delivery.BuildLogRead}},
{Module: "mesh-catalog", Invokes: []string{delivery.BuilderModule + "." + delivery.BuildsSinceTool}},
{Module: "telegram", Holds: []Seat{{Name: "telegram-sender", Accepts: []string{"send"}}},
Processes: []ProcessPrincipal{{Process: "w", Queues: []QueueOwner{{Process: "w", Stream: "M_WORK"}, {Process: "w", Stream: "KV_x"}}}}},
{Module: "nats", SnapshotsTheBus: true, Processes: []ProcessPrincipal{{Process: "nats-tools",
Removes: []string{catalogue.RemovesControllerDeadLetterConsumer, catalogue.RemovesEngineActs}}, {Process: "other"}}},
{Module: "shop", Processes: []ProcessPrincipal{{Process: "nats-tools", Removes: []string{catalogue.RemovesEngineActs}}}},
}}})
if err != nil {
t.Fatal(err)
}
may := map[string][]string{
"a.mesh-conditions": {"$KV.mesh-conditions_conditions.machine.g14.silent"},
"a.mesh-provisioner": {"$KV.mesh-provisioner_provisions.a.keycloak.postgres-database", "$KV.mesh-provisioner_plans.a.keycloak"},
"a.mesh-vault": {"$JS.API.DIRECT.GET.KV_mesh-provisioner_provisions.$KV.mesh-provisioner_provisions.a.keycloak.postgres-database",
"$JS.API.DIRECT.GET.KV_mesh-provisioner_plans.$KV.mesh-provisioner_plans.a.keycloak"},
"a.mesh-hand-acts": {"$KV.mesh-hand-acts_warrants.mesh-config.ask-1", "mesh.log.mesh-hand-acts.acts.act-1"},
"a.disk-load": {"$KV.disk-load_readings.a.pg.data"},
"provisioner.a": {"$JS.API.DIRECT.GET.KV_mesh-provisioner_plans.$KV.mesh-provisioner_plans.a.keycloak",
"$JS.API.CONSUMER.CREATE.KV_mesh-provisioner_plans.c1.$KV.mesh-provisioner_plans.a.keycloak",
// The needs, for the client before V3, until the lease write (review round 3).
"$KV." + ProvisionerNeedsBucket + ".a.keycloak.db.x"},
// ADR 0571 clause 3: restic's bundle writes each item's last good night as its own state; the self-check reads it.
"a.mesh-self-check": {"$JS.API.DIRECT.GET.KV_restic_good.$KV.restic_good.a.pg.data"},
"a.mesh-grants": {"$KV.mesh-grants_withheld.reader.mail.a"},
"a.restic": {"$JS.API.DIRECT.GET.KV_disk-load_readings.$KV.disk-load_readings.a.pg.data", "$KV.restic_good.a.pg.data",
// ADR 0571 clause 7: its own membership from the grants part's state.
"$JS.API.DIRECT.GET.KV_mesh-grants_memberships.$KV.mesh-grants_memberships.a.restic"},
"a.mesh-delivery-indexer": {"$JS.API.CONSUMER.CREATE.LOG_mesh-delivery-builder_build-log.r1.mesh.log.mesh-delivery-builder.build-log.letta",
"$JS.API.CONSUMER.MSG.NEXT.LOG_mesh-delivery-builder_build-log.r1", "$JS.API.CONSUMER.DELETE.LOG_mesh-delivery-builder_build-log.r1",
"$JS.API.DIRECT.GET.LOG_mesh-delivery-builder_build-log.mesh.log.mesh-delivery-builder.build-log.letta"},
"a.mesh-delivery-builder": {"mesh.log.mesh-delivery-builder.build-log.letta"},
"a.mesh-catalog": {"mesh.mod.mesh-delivery-builder.tool.builder_builds_since"},
WatchmanModule: {"$JS.API.CONSUMER.CREATE.DEAD_LETTER_NOTICES." + WatchmanModule, "$JS.API.CONSUMER.MSG.NEXT.DEAD_LETTER_NOTICES." + WatchmanModule,
"$JS.API.CONSUMER.INFO.DEAD_LETTER_NOTICES.controller", "$JS.API.STREAM.MSG.GET.DEAD_LETTERS"},
WatchmanModule + " sources": {"$JS.API.STREAM.MSG.GET.EVENTS", "$JS.API.STREAM.INFO.SEAT_TELEGRAM_SENDER",
"$JS.API.STREAM.MSG.GET.M_WORK", "$JS.API.STREAM.INFO.EVENTS", "mesh.events.dead.EVENTS.a_m"},
"a.nats.nats-tools": {"$JS.API.CONSUMER.DELETE.DEAD_LETTER_NOTICES.controller", "$JS.API.CONSUMER.INFO.DEAD_LETTER_NOTICES.controller",
"$KV.mesh-host_acts.g14.a1", "$JS.API.STREAM.INFO.KV_mesh-host_acts"},
}
mayNot := map[string][]string{
// The keeper writes no findings and no attempts; no observer writes the keeper's buckets (clause 2).
"a.mesh-conditions": {"$KV.mesh-self-check_findings.x", "$KV.mesh-healers_attempts.x", "$KV.mesh-controller_conditions.x"},
"a.mesh-self-check": {"$KV.mesh-conditions_conditions.x", "$KV.mesh-conditions_takeover.switch", "$KV.restic_good.a.pg.data",
"$KV.mesh-grants_withheld.reader.mail.a", "$SRV.INFO", "$SRV.PING.node-tools",
"$JS.API.DIRECT.GET.KV_mesh-grants_withheld.$KV.mesh-grants_withheld.reader.mail.a"},
// Only mesh-provisioner writes provisions and plans, and it writes none of the grants part's states (ADR 0570
// clauses 1, 8).
"a.mesh-provisioner": {"$KV.mesh-grants_accounts.a.m", "$KV.mesh-grants_user-list.sealed"},
"a.mesh-vault": {"$KV.mesh-provisioner_provisions.a.keycloak.postgres-database", "$KV.mesh-provisioner_plans.a.keycloak",
"mesh.seat.mesh-artifact-sweep.event.artifacts-gone"},
// Each writes its own state alone, and these users are composed.
"a.disk-load": {"$KV.restic_good.a.pg.data"},
"a.mesh-delivery-builder": {"$KV.disk-load_readings.a.pg.data"},
// Another machine's plans are not its to read, nor another machine's needs, which it keeps for the client before
// V3 until the lease write.
"provisioner.a": {"$JS.API.DIRECT.GET.KV_mesh-provisioner_plans.$KV.mesh-provisioner_plans.b.keycloak",
"$KV.mesh-provisioner_plans.a.keycloak", "$KV." + ProvisionerNeedsBucket + ".b.keycloak.db.x"},
// Only the assigner writes seat-holders.
"a.artifact-store-tools": {"$KV.mesh-delivery-assigner_seat-holders.mesh-broker"},
// Only disk-load writes its readings.
"a.restic": {"$KV.disk-load_readings.a.pg.data"},
"a.postgres": {"$KV.mesh-provisioner_provisions.a.keycloak.postgres-database", "$KV.mesh-provisioner_plans.a.keycloak"},
// Nor mesh-hand-acts' log and warrants, which it alone writes (ADR 0565 clause 10).
"a.mesh-healers": {"$KV.mesh-conditions_conditions.x", "$KV.mesh-conditions_takeover.switch",
"$KV.mesh-hand-acts_warrants.x", "mesh.log.mesh-hand-acts.acts.x"},
// The watchman never deletes or changes the controller's consumer (clause 5).
// Its reads and deletes of a message are on the streams a dead letter comes from, named, never a bucket's
// (the lead, 2026-10-29).
WatchmanModule + " sources": {"$JS.API.STREAM.MSG.GET.KV_mesh-vault_bus-accounts", "$JS.API.STREAM.MSG.GET.KV_x",
"$JS.API.STREAM.MSG.DELETE.KV_mesh-host_acts", "$JS.API.STREAM.MSG.GET.OBJ_mesh-grants-user-list", "$JS.API.STREAM.MSG.GET.OTHER",
// In L4 it neither delivers again nor drops (clause 5, the lead 2026-10-29).
"$JS.API.STREAM.MSG.DELETE.EVENTS", "$JS.API.STREAM.MSG.DELETE.DEAD_LETTERS", "$JS.API.CONSUMER.CREATE.DEAD_LETTERS.x",
"mesh.again.a_m.x"},
WatchmanModule: {"$KV.mesh-conditions_conditions.x", "$JS.API.CONSUMER.DELETE.DEAD_LETTER_NOTICES.controller",
"$JS.API.CONSUMER.CREATE.DEAD_LETTER_NOTICES.controller", "$JS.API.CONSUMER.DELETE.DEAD_LETTER_NOTICES." + WatchmanModule},
// The bus module's tools remove the one consumer and the acts' keys, nothing else (Limits 4); its other accounts
// remove nothing; an account is granted the removals its bus declares and no other (the catalogue refuses them
// outside the bus module).
"a.nats.nats-tools": {"$JS.API.CONSUMER.DELETE.DEAD_LETTER_NOTICES.other", "$JS.API.CONSUMER.DELETE.EVENTS.a_m",
"$KV.mesh-conditions_conditions.x", "$JS.API.STREAM.DELETE.KV_mesh-host_acts", "$JS.API.STREAM.PURGE.KV_mesh-host_acts"},
"a.nats.other": {"$JS.API.CONSUMER.DELETE.DEAD_LETTER_NOTICES.controller", "$KV.mesh-host_acts.g14.a1"},
"a.nats": {"$JS.API.CONSUMER.DELETE.DEAD_LETTER_NOTICES.controller", "$KV.mesh-host_acts.g14.a1"},
"a.shop.nats-tools": {"$JS.API.CONSUMER.DELETE.DEAD_LETTER_NOTICES.controller", "$KV.mesh-conditions_conditions.x"},
}
// ADR 0571 clause 1: a read naming another module's log is issued to the reader as a log it reads, never writes.
if m := MembershipFor("a", Declared{Module: delivery.IndexerModule, Reads: []string{delivery.BuildLogRead, "x.y"}},
Placements{Logs: map[string]bool{delivery.BuildLogRead: true}}); len(m.Logs) != 1 || m.Logs[0].Writes ||
m.Logs[0].Stream != "LOG_mesh-delivery-builder_build-log" || m.Logs[0].Name != delivery.BuildLogRead {
t.Errorf("the indexer's membership issues the logs %+v", m.Logs)
}
// ADR 0565 clauses 6, 7 (issue 1953 L5-S4): a node's engine writes its own packages key and no other node's; only the
// assigner writes its policies.
for _, u := range users {
perms, err := PermissionsFor(u)
if err != nil {
continue
}
// ADR 0570 clause 6: a node's engine reads its own node's provision keys, and no other node's, and writes none.
if u.Kind == KindNode && (!MayPublish(perms, "$JS.API.DIRECT.GET.KV_mesh-provisioner_provisions.$KV.mesh-provisioner_provisions.a.keycloak.db") ||
MayPublish(perms, "$JS.API.DIRECT.GET.KV_mesh-provisioner_provisions.$KV.mesh-provisioner_provisions.b.keycloak.db") ||
MayPublish(perms, "$KV.mesh-provisioner_provisions.a.keycloak.db")) {
t.Errorf("node %s reads the provisions %v", u.Node, perms.Publish)
}
// Issue 774: a node's engine writes its own health report's key and no other node's.
if u.Kind == KindNode && (!MayPublish(perms, "$KV.mesh-host_health.a") || MayPublish(perms, "$KV.mesh-host_health.b")) {
t.Errorf("node %s writes the health reports %v", u.Node, perms.Publish)
}
if u.Kind == KindModule && u.Module == WatchmanModule && (!MayPublish(perms, "$JS.API.DIRECT.GET.KV_mesh-host_health.$KV.mesh-host_health.b") ||
MayPublish(perms, "$KV.mesh-host_health.b")) {
t.Errorf("the watchman reads the health reports %v, %v", MayPublish(perms, "$JS.API.DIRECT.GET.KV_mesh-host_health.$KV.mesh-host_health.b"), perms.Publish)
}
if u.Kind == KindNode && (!MayPublish(perms, "$KV.mesh-host_packages.a") || MayPublish(perms, "$KV.mesh-host_packages.b")) {
t.Errorf("node %s writes the packages keys %v", u.Node, perms.Publish)
}
if u.Kind == KindModule && MayPublish(perms, "$KV.mesh-delivery-assigner_policies.x") {
t.Errorf("%s writes the assigner's policies", u.Username())
}
}
// 1953 S-age (ADR 0565 §10): a log that says an age keeps its entries that long and no longer; one that says none, as
// long as the log (ADR 0297).
if aged, kept := (Log{Module: "mesh-hand-acts", Name: "acts", MaxAgeDays: 400}).Config(), (Log{Module: "m", Name: "l"}).Config(); aged.MaxAge != 400*24*time.Hour || kept.MaxAge != 0 || !aged.DenyDelete {
t.Errorf("an aged log's stream keeps %s, an unaged one %s", aged.MaxAge, kept.MaxAge)
}
// The tools account's secret is the module's own broker-<binary>, which its manifest's own-secrets names and the
// vault keeps by that name (AccountSecret).
if w := (WantedAccount{User: "a.nats.nats-tools", Kind: KindProcess, Node: "a", Module: "nats", Process: "nats-tools",
URL: "nats://a:4222"}); w.Valid() != nil || w.OwnSecret() != "broker-nats-tools" {
t.Errorf("the tools account is held in %q (%v)", w.OwnSecret(), w.Valid())
}
seen := map[string]bool{}
for _, u := range users {
name := u.Username()
if u.Module == WatchmanModule && u.Kind == KindModule {
name = WatchmanModule
}
perms, err := PermissionsFor(u)
if err != nil {
t.Fatalf("%s: %v", name, err)
}
if name == WatchmanModule {
// It hears its watchdogs' words on core subjects (Limits 3, 11).
for _, subject := range []string{"mesh.mod.power.event.sleeping", "mesh.control.g14.tools-alive",
"mesh.seat.mesh-self-check.event.checked", "mesh.mod.keycloak.event.provisioner.failing",
"mesh.mod.nats.event.bus.slow-consumer", "prov.applied.g14.keycloak"} {
if !MaySubscribe(perms, subject) {
t.Errorf("the watchman may not hear %s", subject)
}
}
// Never the bus's API audit, which carries every API answer in the account (the lead, 2026-10-29).
if MaySubscribe(perms, "$JS.EVENT.ADVISORY.API") || MaySubscribe(perms, "$JS.EVENT.ADVISORY.API.x") {
t.Error("the watchman hears the bus's API audit")
}
if !MayPublish(perms, "$JS.API.DIRECT.GET.PROV_APPLIED.prov.applied.g14.keycloak") {
t.Error("the watchman may not read the newest provisioner report")
}
}
subjects := append(append([]string(nil), may[name]...), may[name+" sources"]...)
denied := append(append([]string(nil), mayNot[name]...), mayNot[name+" sources"]...)
if len(may[name+" sources"]) > 0 {
seen[name+" sources"] = true
}
for _, subject := range subjects {
seen[name] = true
if !MayPublish(perms, subject) {
t.Errorf("%s may not publish %s", name, subject)
}
}
for _, subject := range denied {
seen[name] = true
if MayPublish(perms, subject) {
t.Errorf("%s may publish %s", name, subject)
}
}
}
// Every row names a user that was composed, in either table: a row for a user absent would pass for nothing.
for _, table := range []map[string][]string{may, mayNot} {
for name := range table {
if !seen[name] {
t.Errorf("no user %s was composed", name)
}
}
}
}