ROX-28254: stamp inactive on runtime alerts after delete - #22775
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The test asserted getInactive() as soon as Central returned NOT_FOUND for the deployment. Inactive is stamped later by the alerts pipeline, so the assertion raced. Poll until the flag is set. Requested: analyze ROX-28254 RuntimeViolationLifecycleTest flake and apply the wait-for-inactive fix. AI-assisted: Cursor generated most of this change; human reviewed.
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WalkthroughThe alert manager preserves deployment inactivity during alert merges and marks relevant runtime and attempted alerts inactive when deployments are removed or already inactive. Tests cover these paths, and the lifecycle test waits for inactive state. ChangesRuntime alert inactivity
Estimated code review effort: 3 (Moderate) | ~20 minutes Merge Risk: ⚪ Minimal · up to Runtime alerts now retain inactive deployment state and are marked inactive after deployment removal, with focused test coverage. No merge-blocking risk is identified. 🚥 Pre-merge checks | ✅ 4 | ❌ 1❌ Failed checks (1 warning)
✅ Passed checks (4 passed)
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Codecov Report✅ All modified and coverable lines are covered by tests. Additional details and impacted files@@ Coverage Diff @@
## master #22775 +/- ##
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- Coverage 51.80% 51.78% -0.02%
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Files 2896 2896
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- Misses 79739 79785 +46
- Partials 8292 8310 +18
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A 60s QA wait did not help: the CI dump still had inactive=false 13 minutes after delete. Sensor can send a runtime alert after the deployment is already gone; Central stored that write without the flag, and a later merge could drop it. Stamp inactive on those writes, and keep the stored flag when merging. Requested: implement option 1 and document the investigation in the PR. This change was partially generated by AI.
vikin91
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Inline comments:
In `@central/detection/alertmanager/alert_manager_impl.go`:
- Line 436: Update mergeManyAlerts around the fetchAndMergeCandidates result and
needInactiveIDs construction to exclude any IDs already present in
updatedAlerts, preventing inactive-only copies from being appended for merged
alerts. Add a regression test verifying updateBatch performs a single write for
the duplicate ID and preserves the merged alert’s new process.
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central/detection/alertmanager/alert_manager_impl.gocentral/detection/alertmanager/alert_manager_impl_test.go
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Inactive stamping already updates merged alerts in memory. Re-fetching those IDs overwrote the merged processes. Skip them in needInactiveIDs; leftover stored alerts still go through that path. User request: address CodeRabbit duplicate-upsert on merged runtime alerts. Partially generated by AI.
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@vikin91: The following tests failed, say
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Description
After you delete a deployment, its runtime alert (for example "apt-get ran") should stay. It should be marked as belonging to a deployment that no longer exists. That flag is
inactive. On OpenShift it often stayed false, soRuntimeViolationLifecycleTestfailed.We first treated this as a slow race and added a 60s wait in the QA test. CI still failed. The Postgres dump from that run is the proof: alert
53e40f22was written once at 10:03:35 UTC withinactive=false, and it was still false at 10:17. Deploy-time alerts for the same deployment were resolved. Central never wrote the flag. Waiting longer cannot fix that.The job also had two pods for the same test label at delete time. That makes it easy for Sensor to send a late "apt-get ran" after Central already deleted the deployment.
The bug: Central only stamped
inactiveon leftover stored alerts. A runtime alert that arrives after the deployment is gone is a new write, or a merge into the stored one. Those paths skipped the stamp. Merge also copied Sensor's payload, which hasinactive=false, so a later update could wipe the flag.Why this should fix it: When Central writes a runtime alert and the deployment is already gone, it now sets
inactiveon that write. Merge keeps the stored flag instead of replacing it with Sensor'sfalse. The QA wait stays so the test can poll until that write lands.User-facing documentation
Testing and quality
Automated testing
QA
RuntimeViolationLifecycleTestalready waits up to 60s forinactiveafter delete. That wait is not the fix; it only observes the product write. No new e2e: the existing BAT test is the regression.How I validated my change