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R-518 option A: one stop per backup tier (09 §3 decision 156)

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Each quiesce window now backs up ONLY the first due tier that starts and
resumes the apps at its snapshotted; the upload finishes with the apps
running. Any other due tier stays due and a later cycle (the next poll)
takes it in its own short window - never straight after the first.
This reverses R-82's 'ONE quiesce window for both due tiers'.

A manual press (TriggerNow) backs up the primary (local) tier only, picked
by the agent's Primary flag; the off-site tier follows at the next
scheduled night run. If no available tier is flagged primary, the first
available tier is backed up rather than nothing.

Unchanged: marker written before any stop, one unquiesce per window, the
max-quiesce bound, BUSY/start-error handling (the next tier is still tried
in the same window when a tier does not start), breaker and contention.

Tests: TestBothTiersDue_ExactlyOneQuiesceWindow ->
TestBothTiersDue_FirstCycleRunsOnlyFirstTier; TestNonLastTierSnapshot_
DoesNotResumeApp -> TestFirstTierSnapshot_ResumesAppWhileUploadContinues
(red on old code); new TestManualPress_RunsOnlyLocalTier (red on old
code), TestLeftoverTier_RunsInNextCycleInItsOwnWindow,
TestManualRunTiers_NoPrimaryAvailable_BacksUpFirstAvailable;
TestNotify_BothFailingTiersAreReported now runs two cycles.

Co-Authored-By: Claude Opus 5.5 (1M context) <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_0159rPz1ZhFKsS53msqPYxtS
This commit is contained in:
authentik Default Admin
2026-10-06 14:59:48 +02:00
parent 31242786af
commit d8c2634472
5 changed files with 269 additions and 102 deletions
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controller/internal/quiesce/notify_test.go
+6 -2
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@@ -145,8 +145,12 @@ func TestNotify_BothFailingTiersAreReported(t *testing.T) {
rec := &recNotifier{}
l.SetTierNotifier(rec)
if err := l.runOnce(context.Background()); err != nil {
t.Fatal(err)
// `09` §3 decision 156: one tier per window, so the second tier is reached by the NEXT cycle —
// where the failed first tier is now in backoff and must not stand in its way.
for cycle := 1; cycle <= 2; cycle++ {
if err := l.runOnce(context.Background()); err != nil {
t.Fatalf("cycle %d: %v", cycle, err)
}
}
gotLocal, gotPBS := rec.count("failed", "local"), rec.count("failed", "felhom-pbs")
if gotLocal != 1 || gotPBS != 1 {