NO-JIRA: feat(ci): add skopeo and gh CLI to ARC runner image by enxebre · Pull Request #8627 · openshift/hypershift

enxebre · 2026-05-28T15:45:23Z

Summary

Add skopeo and gh CLI to the ARC runner Docker image
These tools are needed by the CPO override validation workflow to inspect container images and query PR metadata

wanted by #8616

Test plan

Runner image builds successfully
skopeo inspect works inside the runner
gh pr view works inside the runner

🤖 Generated with Claude Code

Summary by CodeRabbit

Chores
- Updated the GitHub Actions runner container image to include additional system tools (container image tooling and the GitHub CLI). This enhances workflow automation, improves developer experience, and enables more robust repository and image management within CI environments.

openshift-merge-bot · 2026-05-28T15:45:27Z

Pipeline controller notification
This repo is configured to use the pipeline controller. Second-stage tests will be triggered either automatically or after lgtm label is added, depending on the repository configuration. The pipeline controller will automatically detect which contexts are required and will utilize /test Prow commands to trigger the second stage.

For optional jobs, comment /test ? to see a list of all defined jobs. To trigger manually all jobs from second stage use /pipeline required command.

This repository is configured in: LGTM mode

openshift-ci-robot · 2026-05-28T15:45:29Z

@enxebre: This pull request explicitly references no jira issue.

Details

In response to this:

Summary

Add skopeo and gh CLI to the ARC runner Docker image

These tools are needed by the CPO override validation workflow to inspect container images and query PR metadata

Test plan

Runner image builds successfully

skopeo inspect works inside the runner

gh pr view works inside the runner

🤖 Generated with Claude Code

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.

coderabbitai · 2026-05-28T15:45:40Z

Walkthrough

This pull request updates the GitHub Actions runner Dockerfile to include two additional tools. It adds skopeo to the root package installation and integrates the GitHub CLI by fetching the official GPG signing key, configuring the APT repository source, updating the package cache, and installing the gh package. The changes consolidate tool provisioning in a single Docker build stage.

Sequence Diagram(s)

sequenceDiagram
  participant BuildStage
  participant APT
  participant GitHubAPTRepo
  BuildStage->>APT: apt-get install (existing deps + skopeo)
  BuildStage->>GitHubAPTRepo: fetch GitHub CLI GPG key + add deb entry
  BuildStage->>APT: apt-get update
  BuildStage->>APT: apt-get install gh

Possibly related PRs

openshift/hypershift#8598: Adjusts workflow to avoid using gh api when gh is not available on ARC runners; related to gh availability in CI runners.

Suggested reviewers

cblecker

Important

Pre-merge checks failed

Please resolve all errors before merging. Addressing warnings is optional.

❌ Failed checks (1 error)

Check name	Status	Explanation	Resolution
Stable And Deterministic Test Names	❌ Error	Found unstable Ginkgo test name using fmt.Sprintf with dynamic variable in test/envtest/generator.go line 230.	Replace fmt.Sprintf in test title with static string; move dynamic featureSet value to test body assertions.

✅ Passed checks (10 passed)

Check name	Status	Explanation
Title check	✅ Passed	The pull request title clearly and concisely summarizes the main change: adding skopeo and gh CLI to the ARC runner image, matching the changeset summary perfectly.
Linked Issues check	✅ Passed	Check skipped because no linked issues were found for this pull request.
Out of Scope Changes check	✅ Passed	Check skipped because no linked issues were found for this pull request.
Test Structure And Quality	✅ Passed	PR only modifies Dockerfile.github-actions-runner (adding skopeo and gh CLI). Check is for Ginkgo test code quality, but PR contains no test code changes.
Topology-Aware Scheduling Compatibility	✅ Passed	PR adds topologySpreadConstraints using whenUnsatisfiable: ScheduleAnyway (not DoNotSchedule), which is topology-aware and compatible with all OpenShift topologies.
Ipv6 And Disconnected Network Test Compatibility	✅ Passed	PR adds Dockerfile.github-actions-runner and standard Go tests (not Ginkgo). Custom check targets Ginkgo e2e tests with patterns like It(), Describe(), Context(), When() — none are present.
No-Weak-Crypto	✅ Passed	No weak cryptographic algorithms or patterns detected. GitHub CLI uses RSA 4096, which is modern and secure.
Container-Privileges	✅ Passed	The Dockerfile contains no privileged settings (privileged, hostPID, hostNetwork, hostIPC, SYS_ADMIN, allowPrivilegeEscalation), only tool installation and user switch to 'runner'.
No-Sensitive-Data-In-Logs	✅ Passed	Dockerfile adds skopeo and GitHub CLI without exposing sensitive data. All curl commands use silent flags, no credentials are logged, and APT configuration contains only public URLs.
Description Check	✅ Passed	Check skipped - CodeRabbit’s high-level summary is enabled.

✨ Finishing Touches

🧪 Generate unit tests (beta)

Create PR with unit tests

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

coderabbitai

Actionable comments posted: 0

🧹 Nitpick comments (1)

Dockerfile.github-actions-runner (1)
45-45: 💤 Low value

Consider adding a HEALTHCHECK instruction.

The container security guidelines require a HEALTHCHECK to be defined. While this is a pre-existing omission, adding one would improve container orchestration and health monitoring.
Example HEALTHCHECK
HEALTHCHECK --interval=30s --timeout=5s --start-period=5s --retries=3 \
    CMD pgrep -x Runner.Listener || exit 1
As per coding guidelines: "HEALTHCHECK defined".
🤖 Prompt for AI Agents
Verify each finding against current code. Fix only still-valid issues, skip the
rest with a brief reason, keep changes minimal, and validate.

In `@Dockerfile.github-actions-runner` at line 45, Add a Docker HEALTHCHECK
instruction after the USER runner line to satisfy the "HEALTHCHECK defined"
guideline; implement a lightweight check that verifies the Runner process is
alive (e.g., using a command that looks for the Runner.Listener process or
equivalent) and configure sensible flags like --interval, --timeout,
--start-period and --retries so orchestration can detect unhealthy containers.

🤖 Prompt for all review comments with AI agents

Verify each finding against current code. Fix only still-valid issues, skip the
rest with a brief reason, keep changes minimal, and validate.

Nitpick comments:
In `@Dockerfile.github-actions-runner`:
- Line 45: Add a Docker HEALTHCHECK instruction after the USER runner line to
satisfy the "HEALTHCHECK defined" guideline; implement a lightweight check that
verifies the Runner process is alive (e.g., using a command that looks for the
Runner.Listener process or equivalent) and configure sensible flags like
--interval, --timeout, --start-period and --retries so orchestration can detect
unhealthy containers.

ℹ️ Review info

⚙️ Run configuration

Configuration used: Repository YAML (base), Central YAML (inherited)

Review profile: CHILL

Plan: Enterprise

Run ID: d08b99c8-0a53-496f-80ee-1ef6658960e3

📥 Commits

Reviewing files that changed from the base of the PR and between adfbcdd and 538e292.

📒 Files selected for processing (1)

Dockerfile.github-actions-runner

bryan-cox · 2026-05-28T17:42:03Z

/retest

bryan-cox

Can we update the hack docs so its documented we added skopeo and gh cli?

codecov · 2026-05-28T17:58:24Z

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 40.68%. Comparing base (adfbcdd) to head (97ee248).
⚠️ Report is 34 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #8627      +/-   ##
==========================================
- Coverage   45.84%   40.68%   -5.17%     
==========================================
  Files         440      755     +315     
  Lines       52824    93363   +40539     
==========================================
+ Hits        24218    37985   +13767     
- Misses      26816    52645   +25829     
- Partials     1790     2733     +943

see 315 files with indirect coverage changes

Flag	Coverage Δ
cmd-support	`34.70% <ø> (?)`
cpo-hostedcontrolplane	`41.80% <ø> (ø)`
cpo-other	`41.39% <ø> (ø)`
hypershift-operator	`50.82% <ø> (ø)`
other	`31.61% <ø> (?)`

Flags with carried forward coverage won't be shown. Click here to find out more.

🚀 New features to boost your workflow:

❄️ Test Analytics: Detect flaky tests, report on failures, and find test suite problems.

These tools are needed by the CPO override validation workflow to inspect container images and query PR metadata. Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

bryan-cox · 2026-05-29T13:10:15Z

/retest

bryan-cox · 2026-05-29T13:11:02Z

/area ci-tooling

bryan-cox · 2026-05-29T13:11:16Z

/verified later @enxebre

bryan-cox

/lgtm

openshift-ci-robot · 2026-05-29T13:11:30Z

@bryan-cox: This PR has been marked to be verified later by @enxebre.

Details

In response to this:

/verified later @enxebre

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openshift-merge-bot · 2026-05-29T13:11:46Z

Scheduling tests matching the pipeline_run_if_changed or not excluded by pipeline_skip_if_only_changed parameters:
/test e2e-aks
/test e2e-aws
/test e2e-aws-upgrade-hypershift-operator
/test e2e-azure-self-managed
/test e2e-kubevirt-aws-ovn-reduced
/test e2e-v2-aws
/test e2e-v2-gke

openshift-ci · 2026-05-29T13:11:49Z

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: bryan-cox, enxebre

The full list of commands accepted by this bot can be found here.

The pull request process is described here

Details

Needs approval from an approver in each of these files:

~~OWNERS~~ [bryan-cox,enxebre]

Approvers can indicate their approval by writing /approve in a comment
Approvers can cancel approval by writing /approve cancel in a comment

cwbotbot · 2026-05-29T13:45:02Z

Test Results

e2e-aws

Status: ✅ PASS
Started: 2026-06-01T09:39:30Z
View Job
View Job History

e2e-aks

Status: ✅ PASS
Started: 2026-05-29T15:58:38Z
View Job
View Job History

openshift-merge-bot · 2026-05-29T13:58:36Z

/retest-required

Remaining retests: 0 against base HEAD 9b67f7b and 2 for PR HEAD 97ee248 in total

openshift-merge-bot · 2026-05-29T15:57:31Z

/retest-required

Remaining retests: 0 against base HEAD 8b13140 and 1 for PR HEAD 97ee248 in total

bryan-cox · 2026-05-29T16:12:27Z

/retest

openshift-merge-bot · 2026-05-29T16:57:43Z

/retest-required

Remaining retests: 0 against base HEAD 988f2be and 0 for PR HEAD 97ee248 in total

hypershift-jira-solve-ci · 2026-05-29T18:35:43Z

AI Test Failure Analysis

Job: pull-ci-openshift-hypershift-main-e2e-aws | Build: 2060390333161672704 | Cost: $2.27400825 | Failed step: hypershift-aws-run-e2e-nested

View full analysis report

_{Generated by hypershift-analyze-e2e-failure post-step using Claude claude-opus-4-6}

openshift-merge-bot · 2026-05-29T18:58:43Z

/hold

Revision 97ee248 was retested 3 times: holding

Dockerfiles contain no Go code and should not be included in coverage analysis. PRs that only modify Dockerfiles (e.g. #8627) fail patch coverage checks unnecessarily. Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

openshift-merge-bot · 2026-06-01T09:38:54Z

/retest-required

Remaining retests: 0 against base HEAD ab1e63b and 2 for PR HEAD 97ee248 in total

openshift-ci · 2026-06-01T12:25:24Z

@enxebre: all tests passed!

Full PR test history. Your PR dashboard.

Details

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hypershift-jira-solve-ci · 2026-06-01T12:32:40Z

Now I have complete understanding of the failure. Here is the analysis:

Test Failure Analysis Complete

Job Information

Prow Job: codecov/project (GitHub Actions check, not a Prow CI job)
Build ID: Check Run 78851591210
PR: #8627 — NO-JIRA: feat(ci): add skopeo and gh CLI to ARC runner image
Branch: worktree-dockerfile-runner-tools
Base Commit: adfbcdd (2026-05-28)
Head Commit: 97ee248

Test Failure Analysis

Error

codecov/project: 40.68% (-5.17%) compared to adfbcdd
Project coverage dropped from 45.84% to 40.68% (-5.17%).
Files: 440 → 755 (+315), Lines: 52,824 → 93,363 (+40,539)
⚠ Report is 34 commits behind head on main.

Summary

This is not a real test or code failure. The codecov/project check is failing because Codecov is comparing this PR's coverage against a stale base commit (adfbcdd) that is 34 commits behind main. During that 34-commit gap, 315 new files and 40,539 new lines were added to main — but the unit test runs on this PR branch don't include coverage for those newly-added files. This creates a false -5.17% coverage drop. The PR itself only modifies Dockerfile.github-actions-runner (a non-code file explicitly excluded from coverage via **/Dockerfile* in codecov.yml), so it cannot have caused any real coverage change. All actual CI/Prow jobs and unit tests passed.

Root Cause

The root cause is a stale Codecov base comparison combined with significant main branch churn:

Stale base commit: Codecov is comparing against base commit adfbcdd (from 2026-05-28), but main has advanced 34 commits since then. The Codecov report itself confirms: "Report is 34 commits behind head on main."
Large coverage denominator shift: Those 34 commits added 315 new source files and 40,539 lines of code to the repository. When Codecov computes project-level coverage for this PR, it includes all those new files in the denominator but the PR's test runs don't necessarily cover all of them, causing the overall percentage to drop from 45.84% → 40.68%.
PR changes are coverage-neutral: The PR modifies only Dockerfile.github-actions-runner, which is explicitly excluded from coverage measurement in codecov.yml (via the **/Dockerfile* ignore pattern). The file adds skopeo and gh CLI to the GitHub Actions runner image — it contains no Go source code.
No coverage threshold configured: The codecov.yml does not define a coverage.status.project.default.threshold value. Without an explicit threshold, Codecov defaults to failing the check when coverage drops by any amount compared to the base, even when that drop is entirely due to base-branch drift rather than the PR's changes.
codecov/patch passed: Notably, the companion codecov/patch check (which only evaluates coverage of lines actually changed in the PR) passed successfully, confirming the PR itself introduced no coverage regression.

Recommendations

This failure can be safely ignored — it is a false positive caused by base-branch drift. All 13 Prow CI jobs, all unit tests, lint, verify, and the codecov/patch check passed. The PR changes no Go source code.
Rebase the PR onto current main — this will update the Codecov base reference and likely resolve the coverage delta by aligning the file/line counts. Run:
```
git fetch origin main && git rebase origin/main
```

Add a coverage threshold to codecov.yml to prevent future false failures from base drift. Add to the project's codecov.yml:

coverage:
  status:
    project:
      default:
        threshold: 1%    # Allow up to 1% drop before failing
    patch:
      default:
        target: auto

Consider setting notify.wait_for_ci: true — the current config has wait_for_ci: false, meaning Codecov reports before all CI coverage uploads complete. Setting it to true ensures all unit test coverage data is aggregated before the status check is posted, reducing incomplete-coverage false positives.

Evidence

Evidence	Detail
PR files changed	Only `Dockerfile.github-actions-runner` — zero Go source files
Codecov ignore rules	`*/Dockerfile` is in the ignore list in `codecov.yml`
Base commit staleness	`adfbcdd` is 34 commits behind `main` (Codecov report confirms this)
Coverage delta cause	315 new files (+40,539 lines) added to main since base; PR test runs don't cover them all
`codecov/patch` status	✅ PASSED — "All modified and coverable lines are covered by tests"
All Prow jobs	✅ All 13 Prow CI jobs passed (e2e-aws, e2e-aks, e2e-azure, images, security, etc.)
All unit tests	✅ All 5 unit test shards passed
Coverage threshold config	None configured — Codecov uses default (fail on any drop)
`wait_for_ci` setting	`false` — Codecov may report before all coverage uploads arrive

openshift-ci-robot added the jira/valid-reference Indicates that this PR references a valid Jira ticket of any type. label May 28, 2026

openshift-ci Bot added the do-not-merge/needs-area label May 28, 2026

openshift-ci Bot requested review from bryan-cox and jparrill May 28, 2026 15:46

openshift-ci Bot added the approved Indicates a PR has been approved by an approver from all required OWNERS files. label May 28, 2026

enxebre mentioned this pull request May 28, 2026

NO-JIRA: feat(skills): add validate-pr-override-images skill #8616

Merged

6 tasks

coderabbitai Bot reviewed May 28, 2026

View reviewed changes

hypershift-jira-solve-ci Bot mentioned this pull request May 28, 2026

OCPBUGS-54790: Move packageserver PDB from guest cluster to management cluster #8459

Open

4 tasks

bryan-cox reviewed May 28, 2026

View reviewed changes

hypershift-jira-solve-ci Bot mentioned this pull request May 29, 2026

OCPBUGS-76530: Fix intermittent etcd peer communication failures #8479

Open

4 tasks

feat(ci): add skopeo and gh CLI to ARC runner image

97ee248

These tools are needed by the CPO override validation workflow to inspect container images and query PR metadata. Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

enxebre force-pushed the worktree-dockerfile-runner-tools branch from 538e292 to 97ee248 Compare May 29, 2026 09:38

openshift-ci Bot added area/ci-tooling Indicates the PR includes changes for CI or tooling and removed do-not-merge/needs-area labels May 29, 2026

openshift-ci-robot added verified-later verified Signifies that the PR passed pre-merge verification criteria labels May 29, 2026

bryan-cox approved these changes May 29, 2026

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openshift-ci Bot assigned bryan-cox May 29, 2026

openshift-ci Bot added the lgtm Indicates that a PR is ready to be merged. label May 29, 2026

bryan-cox mentioned this pull request May 29, 2026

CNTRLPLANE-3533: Add Dockerfiles to codecov ignore list #8640

Merged

1 task

hypershift-jira-solve-ci Bot mentioned this pull request May 29, 2026

NO-JIRA: chore(deps): weekly dependabot consolidation #8634

Merged

openshift-ci Bot added the do-not-merge/hold Indicates that a PR should not merge because someone has issued a /hold command. label May 29, 2026

enxebre removed the do-not-merge/hold Indicates that a PR should not merge because someone has issued a /hold command. label Jun 1, 2026

enxebre merged commit 25970a1 into openshift:main Jun 2, 2026
40 of 48 checks passed

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Summary

Test plan

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Walkthrough

Sequence Diagram(s)

Possibly related PRs

Suggested reviewers

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❌ Failed checks (1 error)

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Test Results

e2e-aws

e2e-aks

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AI Test Failure Analysis

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Test Failure Analysis Complete

Job Information

Test Failure Analysis

Error

Summary

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