[release-4.21] OCPBUGS-74418: Conditionally add the KMS plugin volume mount to the kube-apiserver container

[bertinatto]

Manual backport of #2015.

/assign @ardaguclu @benluddy @p0lyn0mial

[openshift-ci-robot]

@bertinatto: This pull request references CNTRLPLANE-2241 which is a valid jira issue.

Warning: The referenced jira issue has an invalid target version for the target branch this PR targets: expected the story to target the "4.21.z" version, but no target version was set.

Details

In response to this:

Manual backport of #2015.

/assign @ardaguclu @benluddy @p0lyn0mial

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[openshift-ci]

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[openshift-ci]

@bertinatto: The following test failed, say /retest to rerun all failed tests or /retest-required to rerun all mandatory failed tests:

Test name	Commit	Details	Required	Rerun command
ci/prow/e2e-gcp-operator-encryption-kms	b733b6f	link	false	/test e2e-gcp-operator-encryption-kms

Full PR test history. Your PR dashboard.

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[ardaguclu]

/retitle [release-4.21] OCPBUGS-74418: Conditionally add the KMS plugin volume mount to the kube-apiserver container
/lgtm
/cc @p0lyn0mial
for approval and backport-risk-assessed labels

[openshift-ci-robot]

@bertinatto: This pull request references Jira Issue OCPBUGS-74418, which is valid.

7 validation(s) were run on this bug

• bug is open, matching expected state (open)
• bug target version (4.21.z) matches configured target version for branch (4.21.z)
• bug is in the state POST, which is one of the valid states (NEW, ASSIGNED, POST)
• release note type set to "Release Note Not Required"
• dependent bug Jira Issue OCPBUGS-68343 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-68343 targets the "4.22.0" version, which is one of the valid target versions: 4.22.0
• bug has dependents

Requesting review from QA contact:
/cc @gangwgr

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

Details

In response to this:

Manual backport of #2015.

/assign @ardaguclu @benluddy @p0lyn0mial

Instructions for interacting with me using PR comments are available here. If you have questions or suggestions related to my behavior, please file an issue against the openshift-eng/jira-lifecycle-plugin repository.

[ardaguclu]

/verified later @ardaguclu @gangwgr

[openshift-ci-robot]

@ardaguclu: This PR has been marked to be verified later by @ardaguclu @gangwgr.

Details

In response to this:

/verified later @ardaguclu @gangwgr

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[p0lyn0mial]

/approve
/label backport-risk-assessed

[openshift-ci]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: ardaguclu, bertinatto, p0lyn0mial

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• OWNERS [p0lyn0mial]

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[openshift-ci-robot]

@bertinatto: Jira Issue OCPBUGS-74418: Some pull requests linked via external trackers have merged:

• openshift/api#2670
• openshift/library-go#2130
• openshift/library-go#2131
• openshift/cluster-authentication-operator#844
• openshift/cluster-kube-apiserver-operator#2054
• openshift/cluster-openshift-apiserver-operator#656

The following pull request, linked via external tracker, has not merged:

• openshift/cluster-authentication-operator#846 is open

All associated pull requests must be merged or unlinked from the Jira bug in order for it to move to the next state. Once unlinked, request a bug refresh with /jira refresh.

Jira Issue OCPBUGS-74418 has not been moved to the MODIFIED state.

This PR is marked as verified-later. Jira issue(s) in the title of this PR will require post-merge verification. After testing, it must be manually moved to the VERIFIED state.

Details

In response to this:

Manual backport of #2015.

/assign @ardaguclu @benluddy @p0lyn0mial

Instructions for interacting with me using PR comments are available here. If you have questions or suggestions related to my behavior, please file an issue against the openshift-eng/jira-lifecycle-plugin repository.

[openshift-merge-robot]

Fix included in accepted release 4.21.0-0.nightly-2026-03-11-185944