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[release-4.22] OCPBUGS-99568: Extend image-registry single replica exception to s390x architecture#31422

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[release-4.22] OCPBUGS-99568: Extend image-registry single replica exception to s390x architecture#31422
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@openshift-cherrypick-robot openshift-cherrypick-robot commented Jul 23, 2026

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This is an automated cherry-pick of #31190

/assign sandisamp

Rohit Patil and others added 2 commits July 23, 2026 14:21
Rohit Patil @ropatil010 @openshift-cherrypick-robot
Extend image-registry single replica exception to s390x architecture
d2270b4 
This commit extends the existing ppc64le single-replica image-registry
exception to also cover s390x architecture. During upgrades from 4.22 to 5.0,
clusters running on s390x with a single replica image-registry deployment
experience temporary unavailability (NoReplicasAvailable) when the registry
pod is restarted. This is a known limitation on alternative architectures
due to the lack of redundancy with a single replica.

Changes:
- Replaced isppc64le() function with getAltArchitecture() to support
  multiple alternative architectures (ppc64le and s390x)
- Added s390x exception with bug ID OCPBUGS-86017
- Updated exception handling to use a switch statement for clarity
- Improved logging to include the detected architecture
- Used platformidentification constants for architecture names

Bug: https://redhat.atlassian.net/browse/OCPBUGS-86017
Related: https://redhat.atlassian.net/browse/OCPBUGS-82160 (ppc64le)

Co-Authored-By: Rohit Patil <ropatil@redhat.com>
Rohit Patil @openshift-cherrypick-robot
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@openshift-ci openshift-ci Bot added the ready-for-human-review Indicates a PR has been reviewed by automated tools and is ready for human review label Jul 23, 2026
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openshift-ci-robot commented Jul 23, 2026

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@openshift-cherrypick-robot: Jira Issue OCPBUGS-86017 has been cloned as Jira Issue OCPBUGS-99568. Will retitle bug to link to clone.
/retitle [release-4.22] OCPBUGS-99568: Extend image-registry single replica exception to s390x architecture

Details

In response to this:

This is an automated cherry-pick of #31190

/assign sandisamp

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@openshift-ci openshift-ci Bot changed the title [release-4.22] OCPBUGS-86017: Extend image-registry single replica exception to s390x architecture [release-4.22] OCPBUGS-99568: Extend image-registry single replica exception to s390x architecture Jul 23, 2026
@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 Jul 23, 2026
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@openshift-cherrypick-robot: This pull request references Jira Issue OCPBUGS-99568, which is invalid:

  • 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 dependent Jira Issue OCPBUGS-86017 to be in one of the following states: MODIFIED, ON_QA, VERIFIED, but it is ASSIGNED instead

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:

This is an automated cherry-pick of #31190

/assign sandisamp

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openshift-ci Bot requested review from deads2k and p0lyn0mial July 23, 2026 14:26
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[APPROVALNOTIFIER] This PR is NOT APPROVED

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Scheduling required tests:
/test e2e-aws-csi
/test e2e-aws-ovn-fips
/test e2e-aws-ovn-microshift
/test e2e-aws-ovn-microshift-serial
/test e2e-aws-ovn-serial-1of2
/test e2e-aws-ovn-serial-2of2
/test e2e-gcp-csi
/test e2e-gcp-ovn
/test e2e-gcp-ovn-upgrade
/test e2e-metal-ipi-ovn-ipv6
/test e2e-vsphere-ovn
/test e2e-vsphere-ovn-upi

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ropatil010 commented Jul 24, 2026

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/retest

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@openshift-cherrypick-robot: all tests passed!

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