[wip] investigate: Revert storage-tier changes (#256, #159) to diagnose BMaaS CI degradation

[mennyaboush]

Summary

Diagnostic PR to determine whether PRs #256 and #159 are causing the BMaaS CI degradation observed starting Aug 11 20:17 UTC (coinciding with release v0.0.85).

This PR reverts:

• PR [AI] OSAC-3886: Installer labels StorageClass osac.openshift.io/tenant=Default but default Tenant CR name is shared #256 (c8d822a4): OSAC-3886 — deleted a StorageClass labeling Helm hook
• PR OSAC-3629: add storage_tier to proto and CRD definitions #159 (3e9b25c0): OSAC-3629 — added storage_tier to the CRD/reconciler and updated test fixtures

Rationale

The CI degradation timeline correlates with the v0.0.85 release. These two PRs modified storage-related infrastructure and are the most likely candidates for the regression. Reverting them in isolation lets us confirm or rule out causation before investing in a targeted fix.

Test plan

• Merge this PR and monitor BMaaS CI pipeline runs for stabilization
• If CI stabilizes, narrow down which of the two PRs is the actual culprit by re-applying them individually
• If CI does not stabilize, close this PR and investigate other changes in v0.0.85

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[openshift-ci]

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[fullsend-ai-review]

🤖 Finished Review · ✅ Success · Started 12:28 PM UTC · Completed 12:44 PM UTC

Commit: 9ca4a91 · View workflow run →

[fullsend-ai-review]

Review

Findings

Medium

• [incomplete revert / dead config] osac-operator/charts/operator/values.yaml:58 — The revert of commit c8d822a4 re-adds bootstrap.cliImage to values.yaml, but does not restore the deleted Helm hook template (charts/operator/templates/hooks/label-storageclass.yaml) that consumed this value. No template currently references bootstrap or cliImage, making this dead config. If the diagnostic intent is to test whether PR [AI] OSAC-3886: Installer labels StorageClass osac.openshift.io/tenant=Default but default Tenant CR name is shared #256's changes caused CI degradation, a revert that restores the config value without the hook won't reproduce the prior behavior.
  Remediation: Either restore the Helm hook template for a complete revert of this commit, or remove the bootstrap.cliImage entry since nothing consumes it.

• [incomplete-revert] The PR description says it "reverts PR [AI] OSAC-3886: Installer labels StorageClass osac.openshift.io/tenant=Default but default Tenant CR name is shared #256 and PR OSAC-3629: add storage_tier to proto and CRD definitions #159," but it actually reverts one specific commit from each: c8d822a4 ("OSAC-3886: address PR feedback") from [AI] OSAC-3886: Installer labels StorageClass osac.openshift.io/tenant=Default but default Tenant CR name is shared #256, and 3e9b25c0 ("OSAC-3629: update test fixtures to include StorageTier") from OSAC-3629: add storage_tier to proto and CRD definitions #159. For [AI] OSAC-3886: Installer labels StorageClass osac.openshift.io/tenant=Default but default Tenant CR name is shared #256, only the values.yaml change is reverted — the deleted label-storageclass.yaml hook is not restored. For OSAC-3629: add storage_tier to proto and CRD definitions #159, only the test fixture commit is reverted — the core StorageTier type definition, CRD manifests, and proto changes remain. Consider updating the PR description to clarify that specific commits (not full PRs) are being reverted, and explain why a partial revert is sufficient for the diagnostic.

• [test-coherence] osac-operator/api/v1alpha1/computeinstance_types_test.go — The diff removes StorageTier from base test fixtures across 4 files, but the StorageTier field still exists on the DiskSpec type, and dedicated StorageTier validation/immutability tests remain in computeinstance_validation_test.go (lines 930–1006). While functionally correct (the field is optional via omitempty), the resulting state has some test fixtures implicitly relying on the zero value while the validation tests explicitly exercise StorageTier.

Low

• [missing-traceability] No linked Jira issue. The PR body explains the diagnostic intent and the draft status with do-not-merge/work-in-progress label mitigates risk, but if this PR is intended for merge, it should be linked to a tracking issue.

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Labels: PR reverts storage-tier changes to diagnose CI degradation incident

[fullsend-ai-review]

See the review comment for full details.

[fullsend-ai-review]

[medium] incomplete revert / dead config

The revert of commit c8d822a re-adds bootstrap.cliImage to values.yaml, but does not restore the deleted Helm hook template (charts/operator/templates/hooks/label-storageclass.yaml) that consumed this value. No template currently references bootstrap or cliImage, making this dead config.

Suggested fix: Either restore the Helm hook template for a complete revert, or remove the bootstrap.cliImage entry since nothing consumes it.

[mennyaboush]

Closing: the StorageClass double-fault theory (#256 + #159) was debunked. PR #159's StorageTier is a passthrough field to AAP, not a StorageClass lookup. BMaaS has zero StorageTier awareness. The CI degradation is unrelated to these changes.