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Read what a machine has from its haves: reported-and-current, the bus list, a given value's first good start; drop the digest of a send (migration 0110) (release 6, issue 1945 B8)

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jschoubben
2026-10-24 17:51:40 +02:00
parent 8f90d3ecd6
commit fe3faaef83
29 changed files with 498 additions and 776 deletions
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internal/inventory/given.go
+13 -13
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@@ -79,18 +79,18 @@ type GivenReplaced struct {
}
// ReplaceGivenAfterStart replaces every given value on a machine whose module has now started well
// under the mesh on it (novox/hq ADR 0228), and answers what it replaced; the caller sends the
// under the mesh on it (novox/hq ADR 0228), and answers what it replaced; the caller composes the
// machines each names.
//
// **The signal is the machine's clean report of the declaration it was last sent** — every resource
// applied, nothing failed or refused — **when that declaration was sent after the value was given**,
// so it is the start on the given value that counts, not an older one. On an adopted machine the
// module must also be taken: until then the mesh runs nothing of it, and nothing has started under
// the mesh. Each row is claimed by clearing its mark before it is remade, so two reports arriving
// together replace a value once; a remake that fails puts the mark back, and the next good report
// tries again.
func (i *Inventory) ReplaceGivenAfterStart(ctx context.Context, node, declared string) ([]GivenReplaced, error) {
if declared == "" {
// **The signal is the machine's have of the module being healthy** (ADR 0539 §9): started names, per
// module, when the node-engine wrote a have of it that is running and healthy at its composition.
// A value counts when that is **after it was given**, so it is the start on the given value that
// counts, not an older one. On an adopted machine the module must also be taken: until then the mesh
// runs nothing of it, and nothing has started under the mesh. Each row is claimed by clearing its mark
// before it is remade, so two haves arriving together replace a value once; a remake that fails puts
// the mark back, and the next healthy have tries again.
func (i *Inventory) ReplaceGivenAfterStart(ctx context.Context, node string, started map[string]time.Time) ([]GivenReplaced, error) {
if len(started) == 0 {
return nil, nil
}
// Only a module assigned there, from the assignments bucket.
@@ -106,10 +106,10 @@ func (i *Inventory) ReplaceGivenAfterStart(ctx context.Context, node, declared s
`select s.node, s.module, s.name, s.replace_after_start
from module_secret s
join node n on n.id = s.node
where n.name = $1 and n.sent = $2 and n.sent_at > s.replace_after_start
where n.name = $1
and s.origin = 'accepted' and s.replace_after_start is not null
and (not n.adopted or exists (select 1 from taken t where t.node = s.node and t.module = s.module))
order by s.module, s.name`, node, declared)
order by s.module, s.name`, node)
if err != nil {
return nil, err
}
@@ -125,7 +125,7 @@ func (i *Inventory) ReplaceGivenAfterStart(ctx context.Context, node, declared s
rows.Close()
return nil, err
}
if !assignedHere[d.module] {
if !assignedHere[d.module] || !started[d.module].After(d.given) {
continue
}
dues = append(dues, d)