Invariant Testing

[BenTheElder]

Enhancement Description

• One-line enhancement description (can be used as a release note): Create a system for testing invariant violations detected during Kubernetes e2e testing via component metrics.
• Kubernetes Enhancement Proposal: https://github.com/kubernetes/enhancements/tree/master/keps/sig-testing/5468-invariant-testing/
• Primary contact (assignee): @BenTheElder
• Discussion Link: https://kubernetes.slack.com/archives/C09QZ4DQB/p1741645966063629, Invariant Signal Collection for Kubernetes Testing #5196, MVP: check invariant metrics after e2e tests kubernetes#133394
• PRs by stage and milestone:
  • Stable - v1.35
    • KEP (k/enhancements) update PR(s): KEP-5468: Invariant Testing #5514 mark 5468 implemented and update implementation history #5656
    • Code (k/k) update PR(s): check invariant metrics after e2e tests kubernetes#133394
    • Docs (k/website) update PR(s): N/A, not a user facing feature.

Please keep this description up to date. This will help the Enhancement Team to track the evolution of the enhancement efficiently.

/sig testing api-machinery instrumentation
/assign

[rexagod]

/triage accepted
/assign @rexagod

[rexagod]

@richabanker Can I assign this to you, as I noticed you're already involved with the reviews on the linked PR? If not, I'll review any follow-ups.

[richabanker]

@richabanker Can I assign this to you, as I noticed you're already involved with the reviews on the linked PR? If not, I'll review any follow-ups.

Sure, sg.