Spre 5085 kueue predictive alerts#1093
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Added KueuePredictiveQuotaStarvation to detect potential quota leaks. |
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https://redhat.atlassian.net/issues?filter=-1&selectedIssue=SPRE-5085
Description
This PR introduces predictive alerting for Kueue to identify potential infrastructure issues before they impact users. These alerts were designed based on the analysis of itn-2026-00086.
Included Alerts:
KueuePredictiveQuotaStarvation: Detects gaps between admitted and active workloads (Quota leak detection).
KueueHighPriorityBuildDelay: Alerts when critical build tasks wait in queue for more than 15 minutes.
KueueMintmakerStarvation: Monitors long-term starvation (>12h) for background dependency updates.
Pre-Submission Checklist
[x] Jira Ticket: Linked in PR name and commit (SPRE-5085).
[x] Alert Tests: Unit tests added in test/promql/tests/data_plane/kueue_predictive_alerts_test.yaml and verified with promtool.
[x] SOP / Runbook: Alerts include descriptive annotations to guide the on-call engineer.
[ ] Dashboards Addition: N/A.
[x] Contribution Guides: Follows all repository conventions.
[x] Pipeline Finished Successfully: Local promtool validation passed.