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feat: add TerminationGracePeriodSeconds support to liveness probe#16657

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AruneshDwivedi:feat/liveness-terminationGracePeriodSeconds
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feat: add TerminationGracePeriodSeconds support to liveness probe#16657
AruneshDwivedi wants to merge 1 commit into
knative:mainfrom
AruneshDwivedi:feat/liveness-terminationGracePeriodSeconds

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@AruneshDwivedi

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Addresses issue #15823.

Adds validation and defaulting for the field in liveness probes for Knative revisions.

Changes:

  • pkg/apis/serving/k8s_validation.go: Added validation for (must be non-negative)
  • pkg/apis/serving/v1/revision_defaults.go: Added defaulting function that sets when liveness probe is configured but is not set
  • Called in

The field was already allowed via ProbeMask in fieldmask.go (line 392), but lacked validation and defaulting.

Closes #15823.

Addresses issue knative#15823. Adds validation and defaulting for the
terminationGracePeriodSeconds field in liveness probes for Knative revisions.

Changes:
- pkg/apis/serving/k8s_validation.go: Added validation for
  terminationGracePeriodSeconds (must be non-negative)
- pkg/apis/serving/v1/revision_defaults.go: Added defaulting function
  applyLivenessProbeDefaults that sets terminationGracePeriodSeconds=1
  when liveness probe is configured but terminationGracePeriodSeconds is not set
- Called applyLivenessProbeDefaults in RevisionSpec.applyDefault()

The field was already allowed via ProbeMask in fieldmask.go (line 392),
but lacked validation and defaulting.
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knative-prow Bot commented Jul 8, 2026

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Welcome @AruneshDwivedi! It looks like this is your first PR to knative/serving 🎉

@knative-prow knative-prow Bot added the size/S Denotes a PR that changes 10-29 lines, ignoring generated files. label Jul 8, 2026
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knative-prow Bot commented Jul 8, 2026

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Hi @AruneshDwivedi. Thanks for your PR.

I'm waiting for a knative member to verify that this patch is reasonable to test. If it is, they should reply with /ok-to-test on its own line. Until that is done, I will not automatically test new commits in this PR, but the usual testing commands by org members will still work.

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@knative-prow knative-prow Bot added the needs-ok-to-test Indicates a PR that requires an org member to verify it is safe to test. label Jul 8, 2026
@knative-prow knative-prow Bot requested review from dprotaso and dsimansk July 8, 2026 15:06
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knative-prow Bot commented Jul 8, 2026

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[APPROVALNOTIFIER] This PR is NOT APPROVED

This pull-request has been approved by: AruneshDwivedi
Once this PR has been reviewed and has the lgtm label, please assign dprotaso for approval. For more information see the Code Review Process.

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Feature Request: Add terminationGracePeriodSeconds field in liveness probe

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