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[release-4.20] OCPBUGS-105211: Apply MetricsSet relabel configs to KAS ServiceMonitor - #9235

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[release-4.20] OCPBUGS-105211: Apply MetricsSet relabel configs to KAS ServiceMonitor#9235
openshift-merge-bot[bot] merged 1 commit into
openshift:release-4.20from
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Cherry-pick of #8715 to release-4.20.

Backport of the fix for OCPBUGS-105211 / OCPBUGS-91997.

The KAS (kube-apiserver) ServiceMonitor was not applying MetricsSet relabel configs. This cherry-pick brings the fix to the 4.20 release branch.

Conflict resolution: The GCP testdata fixture (testdata/kube-apiserver/GCP/zz_fixture_TestControlPlaneComponents_kube_apiserver_servicemonitor.yaml) was deleted during cherry-pick because it does not exist on release-4.20 (the broader GCP fixture set was added in main-only commits). All other fixtures applied cleanly. Build and test verification passed.

/jira-link OCPBUGS-105211


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@openshift-ci-robot openshift-ci-robot added jira/valid-reference Indicates that this PR references a valid Jira ticket of any type. jira/invalid-bug Indicates that a referenced Jira bug is invalid for the branch this PR is targeting. labels Aug 6, 2026
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@redhat-chai-bot: This pull request references Jira Issue OCPBUGS-105211, which is invalid:

  • expected the bug to target the "4.20.z" version, but no target version was set
  • release note text must be set and not match the template OR release note type must be set to "Release Note Not Required". For more information you can reference the OpenShift Bug Process.
  • expected Jira Issue OCPBUGS-105211 to depend on a bug targeting a version in 4.21.0, 4.21.z and in one of the following states: VERIFIED, RELEASE PENDING, CLOSED (ERRATA), CLOSED (CURRENT RELEASE), CLOSED (DONE), CLOSED (DONE-ERRATA), but no dependents were found

Comment /jira refresh to re-evaluate validity if changes to the Jira bug are made, or edit the title of this pull request to link to a different bug.

The bug has been updated to refer to the pull request using the external bug tracker.

Details

In response to this:

Cherry-pick of #8715 to release-4.20.

Backport of the fix for OCPBUGS-105211 / OCPBUGS-91997.

The KAS (kube-apiserver) ServiceMonitor was not applying MetricsSet relabel configs. This cherry-pick brings the fix to the 4.20 release branch.

Conflict resolution: The GCP testdata fixture (testdata/kube-apiserver/GCP/zz_fixture_TestControlPlaneComponents_kube_apiserver_servicemonitor.yaml) was deleted during cherry-pick because it does not exist on release-4.20 (the broader GCP fixture set was added in main-only commits). All other fixtures applied cleanly. Build and test verification passed.

/jira-link OCPBUGS-105211


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openshift-ci Bot requested review from enxebre and sjenning August 6, 2026 05:36
@openshift-ci openshift-ci Bot added area/control-plane-operator Indicates the PR includes changes for the control plane operator - in an OCP release and removed do-not-merge/needs-area labels Aug 6, 2026
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/jira refresh

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@wanghaoran1988: This pull request references Jira Issue OCPBUGS-105211, which is invalid:

  • expected Jira Issue OCPBUGS-105211 to depend on a bug targeting a version in 4.21.0, 4.21.z and in one of the following states: VERIFIED, RELEASE PENDING, CLOSED (ERRATA), CLOSED (CURRENT RELEASE), CLOSED (DONE), CLOSED (DONE-ERRATA), but no dependents were found

Comment /jira refresh to re-evaluate validity if changes to the Jira bug are made, or edit the title of this pull request to link to a different bug.

The bug has been updated to refer to the pull request using the external bug tracker.

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…onitor

The KAS adaptServiceMonitor() function was missing the line that applies
MetricRelabelConfigs from the configured MetricsSet (Telemetry/SRE/All).
Every other component (etcd, KCM, CVO, scheduler, OAPI, OCM, routecm,
NTO, OLM, catalog-operator) correctly calls its corresponding
metrics.XxxRelabelConfigs(cpContext.MetricsSet), but KAS did not.

This caused the KAS ServiceMonitor to always use the hardcoded Telemetry
default from the YAML asset (3 metrics: apiserver_storage_objects,
apiserver_request_total, apiserver_current_inflight_requests), ignoring
the sre-metric-set ConfigMap entirely when METRICS_SET=SRE.

The fix adds the missing call to metrics.KASRelabelConfigs() and a unit
test matching the pattern used by KCM (kcm/servicemonitor_test.go).

(cherry picked from commit 707e294)
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redhat-chai-bot force-pushed the cherry-pick-8715-ocpbugs-105211 branch from 575b7f4 to 70ac5d7 Compare August 6, 2026 09:18
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/retest


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/test e2e-azure-aks-external-oidc


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/lgtm

@openshift-ci openshift-ci Bot added the lgtm Indicates that a PR is ready to be merged. label Aug 10, 2026
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/cc @bryan-cox

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openshift-ci Bot requested a review from bryan-cox August 10, 2026 15:54
@csrwng csrwng added the backport-risk-assessed Indicates a PR to a release branch has been evaluated and considered safe to accept. label Aug 11, 2026
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@openshift-ci-robot openshift-ci-robot added the verified Signifies that the PR passed pre-merge verification criteria label Aug 11, 2026
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@csrwng: This PR has been marked as verified by @csrwng.

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/verified by @csrwng
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/jira refresh

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@wanghaoran1988: This pull request references Jira Issue OCPBUGS-105211, which is invalid:

  • expected dependent Jira Issue OCPBUGS-96712 to be in one of the following states: VERIFIED, RELEASE PENDING, CLOSED (ERRATA), CLOSED (CURRENT RELEASE), CLOSED (DONE), CLOSED (DONE-ERRATA), but it is POST instead

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/approve

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[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: mehabhalodiya, muraee, redhat-chai-bot

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@openshift-ci openshift-ci Bot added the approved Indicates a PR has been approved by an approver from all required OWNERS files. label Aug 11, 2026
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/jira refresh

@openshift-ci-robot openshift-ci-robot added jira/valid-bug Indicates that a referenced Jira bug is valid for the branch this PR is targeting. and removed jira/invalid-bug Indicates that a referenced Jira bug is invalid for the branch this PR is targeting. labels Aug 13, 2026
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@wanghaoran1988: This pull request references Jira Issue OCPBUGS-105211, which is valid. The bug has been moved to the POST state.

7 validation(s) were run on this bug
  • bug is open, matching expected state (open)
  • bug target version (4.20.z) matches configured target version for branch (4.20.z)
  • bug is in the state New, which is one of the valid states (NEW, ASSIGNED, POST)
  • release note text is set and does not match the template
  • dependent bug Jira Issue OCPBUGS-96712 is in the state Verified, which is one of the valid states (VERIFIED, RELEASE PENDING, CLOSED (ERRATA), CLOSED (CURRENT RELEASE), CLOSED (DONE), CLOSED (DONE-ERRATA))
  • dependent Jira Issue OCPBUGS-96712 targets the "4.21.z" version, which is one of the valid target versions: 4.21.0, 4.21.z
  • bug has dependents
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/retest-required


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/test e2e-kubevirt-aws-ovn-reduced


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/test e2e-aws


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/retest-required

Remaining retests: 0 against base HEAD 09b4108 and 2 for PR HEAD 70ac5d7 in total

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/test e2e-aws


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/test e2e-kubevirt-aws-ovn-reduced


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/test e2e-aws


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/test e2e-kubevirt-aws-ovn-reduced


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@redhat-chai-bot: all tests passed!

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openshift-merge-bot Bot merged commit 3ddd15f into openshift:release-4.20 Aug 14, 2026
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@redhat-chai-bot: Jira Issue Verification Checks: Jira Issue OCPBUGS-105211
✔️ This pull request was pre-merge verified.
✔️ All associated pull requests have merged.
✔️ All associated, merged pull requests were pre-merge verified.

Jira Issue OCPBUGS-105211 has been moved to the MODIFIED state and will move to the VERIFIED state when the change is available in an accepted nightly payload. 🕓

Details

In response to this:

Cherry-pick of #8715 to release-4.20.

Backport of the fix for OCPBUGS-105211 / OCPBUGS-91997.

The KAS (kube-apiserver) ServiceMonitor was not applying MetricsSet relabel configs. This cherry-pick brings the fix to the 4.20 release branch.

Conflict resolution: The GCP testdata fixture (testdata/kube-apiserver/GCP/zz_fixture_TestControlPlaneComponents_kube_apiserver_servicemonitor.yaml) was deleted during cherry-pick because it does not exist on release-4.20 (the broader GCP fixture set was added in main-only commits). All other fixtures applied cleanly. Build and test verification passed.

/jira-link OCPBUGS-105211


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Fix included in release 4.20.0-0.nightly-2026-08-14-105317

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