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mesh-grants: the bus module's process consumer hears the seat events said to it by name

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Its durable consumer filtered only its consumes, composed as module subjects, so the operator channel's
decided for its own asks could not be heard there (design 25 § 12.3: it wakes on the warrant).

Claude-Session: https://claude.ai/code/session_01JG73KJNrH5EgFXMKKYSrig
This commit is contained in:
jschoubben
2026-11-04 17:11:53 +01:00
parent 4f7ceb61ea
commit bf8f5c5c25
2 changed files with 10 additions and 2 deletions
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modules/mesh-grants/internal/buscompose/buscompose_test.go
+3 -2
View File
@@ -1095,7 +1095,7 @@ func theBusModulesProcessKeepsBusState(t *testing.T) {
{Module: "node-tools", ToolRunner: true},
{Module: "nats", SnapshotsTheBus: true, Holds: []Seat{{Name: catalogue.BrokerSeat, Serves: BrokerVerbs(),
Emits: []string{"created", "refused"}}},
Consumes: []string{"mesh-delivery-indexer.manifest-accepted"}, Uses: []Seat{{Name: "operator-channel", Accepts: []string{"condition"}, ByCaller: []string{"condition"}}},
Consumes: []string{"mesh-delivery-indexer.manifest-accepted"}, Uses: []Seat{{Name: "operator-channel", Accepts: []string{"condition"}, Emits: []string{"decided"}, ByCaller: []string{"condition", "decided"}}},
Streams: []ModuleStream{{Module: "nats", Name: "BROKER_EVENTS", Events: []string{"created", "refused"}, MaxAgeDays: 30, MaxMiB: 256}},
Processes: []ProcessPrincipal{{Process: "keeper", State: []string{"asked"}, Keeps: true}, {Process: "other"},
{Process: "nats-tools", Tools: true, Removes: []string{catalogue.RemovesEngineActs}}}},
@@ -1194,7 +1194,8 @@ func theBusModulesProcessKeepsBusState(t *testing.T) {
made := false
for _, mc := range AccountConsumers(users) {
if mc.Consumer.Stream == "EVENTS" && mc.Consumer.Name == "a_nats_keeper" &&
slices.Equal(mc.Consumer.Filters, []string{"mesh.mod.mesh-delivery-indexer.event.manifest-accepted"}) {
slices.Equal(mc.Consumer.Filters, []string{"mesh.mod.mesh-delivery-indexer.event.manifest-accepted",
"mesh.seat.operator-channel.event.decided.nats"}) {
made = true
}
}
modules/mesh-grants/internal/buscompose/busstate.go
+7
View File
@@ -92,6 +92,13 @@ func keeperConsumer(p Principal) (Consumer, bool) {
filters = append(filters, s)
}
}
// And the events of the seats its module uses that are said to it by name, the operator channel's `decided` for its own
// asks among them (design 25 § 12.3: the process wakes on the warrant, heard on its durable consumer, never on a timer).
for _, s := range SeatTrafficOf(p.Module, nil, p.Uses, nil).Subscribe {
if strings.Contains(s, ".event.") {
filters = append(filters, s)
}
}
if len(filters) == 0 {
return Consumer{}, false
}