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Read this node's placement from its node and module keys, or its placement.<node> before the holder converts it, so a write of the holder's is composed only once its node key lands (issue 774, research 072 row 37)

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jschoubben
2026-10-31 09:37:23 +01:00
parent bb8383b065
commit a4c0cee251
8 changed files with 176 additions and 42 deletions
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cmd/mesh-host/nodeagent_integration_test.go
+9 -3
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@@ -498,7 +498,7 @@ func h8back(t *testing.T, b *itBed, placement, resolved, candidates nats.KeyValu
strings.Contains(a.Refused, "web: the controller holds no composition")
})
ran := b.have("web").Composed
pkey, _ := delivery.PlacementKey(itNode)
pkey, _ := delivery.PlacementNodeKey(itNode)
// A pass in flight at the switch (issue 1126, 2026-10-28: the last pass of the own run, failing on its run's end,
// marked the next agent's modules failed): a config value changed starts one, and the key goes at once.
if _, err := resolved.Put(itNode+".web.greeting", []byte(`{"value":"salut","source":"module"}`)); err != nil {
@@ -587,7 +587,10 @@ func h8(t *testing.T, b *itBed, checkBuild bool) (func(), h8state) {
modv, _ := delivery.EncodeModule(delivery.Module{FP2: fp, Manifest: digest, Repository: "novox/web", Commit: strings.Repeat("1", 40)})
place, _ := delivery.EncodePlacement(delivery.Placement{Node: itNode, Modules: []delivery.PlacedModule{{Module: "web"}}})
rec, _ := delivery.EncodeHaveNode(delivery.HaveNode{Record: &delivery.NodeRecord{Node: itNode, Capabilities: []string{"service-manager"}}})
pkey, _ := delivery.PlacementKey(itNode)
// it1 in one key per module and node (research 072 row 37), it2 in the form before: a node reads both.
pkey, _ := delivery.PlacementNodeKey(itNode)
places, _ := delivery.PlacementValues(delivery.Placement{Node: itNode, Modules: []delivery.PlacedModule{{Module: "web"}}})
place = places[pkey]
hkey, _ := delivery.HaveNodeKey(itNode)
// A provider on it2 serving from its own config value: a mail domain, which it1's composition settles.
mailer := `{"module":"mailer","version":"1","config":{"domain":{"type":"string","description":"the mail domain","required":true}},` +
@@ -598,7 +601,7 @@ func h8(t *testing.T, b *itBed, checkBuild bool) (func(), h8state) {
mlmod, _ := delivery.EncodeModule(delivery.Module{FP2: fpIt("b"), Manifest: mdigest, Repository: "novox/mailer", Commit: strings.Repeat("2", 40)})
place2, _ := delivery.EncodePlacement(delivery.Placement{Node: "it2", Modules: []delivery.PlacedModule{{Module: "mailer"}}})
rec2, _ := delivery.EncodeHaveNode(delivery.HaveNode{Record: &delivery.NodeRecord{Node: "it2", Capabilities: []string{"service-manager"}}})
pkey2, _ := delivery.PlacementKey("it2")
pkey2, _ := delivery.LegacyPlacementKey("it2")
hkey2, _ := delivery.HaveNodeKey("it2")
buildKey, _ := delivery.BuilderBuildKey("web", fp)
done, _ := delivery.EncodeBuilderBuild(delivery.BuilderBuild{State: delivery.BuildDone, Manifest: digest,
@@ -632,6 +635,9 @@ func h8(t *testing.T, b *itBed, checkBuild bool) (func(), h8state) {
if b.file("web") != "" {
t.Fatal("a node the catalogue does not place composed its own")
}
if _, err := placement.Put(itNode+".web", places[itNode+".web"]); err != nil {
t.Fatal(err)
}
if _, err := placement.Put(pkey, place); err != nil {
t.Fatal(err)
}