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NO-JIRA: [RHCOS10] Test existing UBI9 base images on RHCOS10 nodes (no changes)#107

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NO-JIRA: [RHCOS10] Test existing UBI9 base images on RHCOS10 nodes (no changes)#107
PillaiManish wants to merge 1 commit intoopenshift:mainfrom
PillaiManish:rhcos10-ubi9-compat-test

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Summary

Validate that the existing UBI9-based images run correctly on RHCOS10 cluster nodes without any changes.

RHCOS10 ships with RHEL10 as its host OS. This PR triggers CI against an RHCOS10 cluster to confirm
UBI9 containers remain compatible before committing to a base image migration.

No Dockerfile changes. This is a baseline/smoke test only.

Follow-up

If CI passes → PR2 migrates all base images from UBI9 to UBI10.

Documents the test plan for validating existing OCP/RHEL9-based images
on an RHCOS10 cluster before migrating to UBI10 (PR2).

Made-with: Cursor
@openshift-ci-robot openshift-ci-robot added the jira/valid-reference Indicates that this PR references a valid Jira ticket of any type. label Mar 27, 2026
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@PillaiManish: This pull request explicitly references no jira issue.

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In response to this:

Summary

Validate that the existing UBI9-based images run correctly on RHCOS10 cluster nodes without any changes.

RHCOS10 ships with RHEL10 as its host OS. This PR triggers CI against an RHCOS10 cluster to confirm
UBI9 containers remain compatible before committing to a base image migration.

No Dockerfile changes. This is a baseline/smoke test only.

Follow-up

If CI passes → PR2 migrates all base images from UBI9 to UBI10.

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.

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coderabbitai bot commented Mar 27, 2026

Walkthrough

A new documentation file was added describing a baseline CI compatibility smoke test for running existing UBI9/RHEL9-based container images on an RHCOS10 cluster, including test specifications, expected outcomes, and a reference to a subsequent migration pull request.

Changes

Cohort / File(s) Summary
Documentation
docs/rhcos10-ubi9-compat-test.md
New documentation specifying a baseline CI compatibility smoke test for RHCOS10 with UBI9/RHEL9-based images, including test matrix and expected e2e test outcomes.

Estimated code review effort

🎯 1 (Trivial) | ⏱️ ~5 minutes

✨ Finishing Touches
🧪 Generate unit tests (beta)
  • Create PR with unit tests

Comment @coderabbitai help to get the list of available commands and usage tips.

@openshift-ci openshift-ci bot requested review from bertinatto and mpatlasov March 27, 2026 03:30
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openshift-ci bot commented Mar 27, 2026

[APPROVALNOTIFIER] This PR is NOT APPROVED

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

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Actionable comments posted: 1

🤖 Prompt for all review comments with AI agents
Verify each finding against the current code and only fix it if needed.

Inline comments:
In `@docs/rhcos10-ubi9-compat-test.md`:
- Line 37: The markdown link "[rhcos10-ubi10-migration](../)" is pointing to the
parent directory instead of a specific PR or doc; update the link target for
clarity by either replacing the relative "../" target with the full URL or
issue/PR number (e.g., the PR URL or "#<PR_NUMBER>") or, if the PR doesn't exist
yet, remove the markdown link and make it plain text "PR2
(rhcos10-ubi10-migration)"; locate and edit the link text
"[rhcos10-ubi10-migration](../)" in docs/rhcos10-ubi9-compat-test.md to apply
the chosen fix.
🪄 Autofix (Beta)

Fix all unresolved CodeRabbit comments on this PR:

  • Push a commit to this branch (recommended)
  • Create a new PR with the fixes

ℹ️ Review info
⚙️ Run configuration

Configuration used: Organization UI

Review profile: CHILL

Plan: Pro

Run ID: 2d4405b7-67a0-469a-8492-1665441b867c

📥 Commits

Reviewing files that changed from the base of the PR and between a61bf5d and 93f8989.

📒 Files selected for processing (1)
  • docs/rhcos10-ubi9-compat-test.md


## Follow-up

If CI passes → PR2 ([rhcos10-ubi10-migration](../)) migrates all base images from
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⚠️ Potential issue | 🟡 Minor

Fix the broken link to the follow-up PR.

The link [rhcos10-ubi10-migration](../) points only to the parent directory instead of a specific PR or document. This will be confusing for readers trying to navigate to the referenced migration work.

Consider one of these options:

  • Link to a specific issue/PR number if it exists (e.g., #108 or full URL)
  • Remove the link and use plain text if the PR hasn't been created yet: PR2 (rhcos10-ubi10-migration)
  • Link to a tracking issue or epic that will contain the migration PR
🤖 Prompt for AI Agents
Verify each finding against the current code and only fix it if needed.

In `@docs/rhcos10-ubi9-compat-test.md` at line 37, The markdown link
"[rhcos10-ubi10-migration](../)" is pointing to the parent directory instead of
a specific PR or doc; update the link target for clarity by either replacing the
relative "../" target with the full URL or issue/PR number (e.g., the PR URL or
"#<PR_NUMBER>") or, if the PR doesn't exist yet, remove the markdown link and
make it plain text "PR2 (rhcos10-ubi10-migration)"; locate and edit the link
text "[rhcos10-ubi10-migration](../)" in docs/rhcos10-ubi9-compat-test.md to
apply the chosen fix.

@PillaiManish
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/test operator-e2e-azure-rhcos10-fips operator-e2e-azure-rhcos10

@PillaiManish
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/retest
/test operator-e2e-azure-rhcos10-fips operator-e2e-azure-rhcos10

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openshift-ci bot commented Mar 30, 2026

@PillaiManish: all tests passed!

Full PR test history. Your PR dashboard.

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