🎯 Functional Correctness | 🟠 Major | ⚡ Quick win

Assertion only checks non-emptiness, not that resetClusterBootImage actually fired.

Per the controller contract (resetClusterBootImage, pkg/controller/bootimage/boot_image_controller.go:652-685), reconcile-skip should overwrite automatic.ocpVersion with the cluster's install version, not just "any non-empty string". If originalOCPVersion is already non-empty (the typical case) and this reset logic silently regresses, patchedOCPVersion would still be non-empty (because it never changed), and the final restoration check at lines 353-357 would then also trivially pass since the value never diverged from originalOCPVersion. The test could pass while the exact fix it's meant to validate (OCPBUGS-87962 / resetClusterBootImage) is broken.

Consider asserting that patchedOCPVersion equals the cluster's install version (e.g., via oc get clusterversion version -o jsonpath='{.status.desired.version}' or similar), or at minimum that it differs from originalOCPVersion when they're expected to diverge.

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

In `@test/extended-priv/mco_bootimages_skew.go` around lines 313 - 348, Strengthen
the assertions in the test flow around machineConfiguration.Get and
resetClusterBootImage: after reconcile-skip, verify patchedOCPVersion equals the
cluster install version from the ClusterVersion desired version, rather than
only checking it is non-empty. Preserve the existing restoration checks and use
the cluster-version retrieval mechanism already established in the test or
nearby helpers.

🩺 Stability & Availability | 🔴 Critical | ⚡ Quick win

#!/bin/bash
set -euo pipefail

printf 'Files matching target:\n'
fd -a 'mco_bootimages_skew\.go$' . || true

printf '\nRelevant lines:\n'
file="$(fd 'mco_bootimages_skew\.go$' . | head -n1)"
if [ -n "${file:-}" ]; then
  sed -n '320,365p' "$file" | nl -ba -v320
fi

printf '\nSearch for ownerReferences removal in test and ms helpers:\n'
rg -n 'ownerReferences|OwnerReference|reconcileSkipped|Automatic\.OCPVersion|ResetClusterBootImage|waitForBootImageControllerComplete|WaitForBootImageControllerComplete' test/extended-priv/mco_bootimages_skew.go pkg test || true

#!/bin/bash
set -euo pipefail

file="$(fd 'mco_bootimages_skew\.go$' . | head -n1)"
echo "FILE=$file"

echo "== lines 320-365 =="
sed -n '320,365p' "$file" | awk '{printf "%7d\t%s\n", NR+319, $0}'

echo "== relevant searches =="
rg -n 'ownerReferences|OwnerReference|reconcileSkipped|Automatic\.OCPVersion|ResetClusterBootImage|waitForBootImageControllerComplete|WaitForBootImageControllerComplete' test/extended-priv/mco_bootimages_skew.go pkg || true

Make the owner reference cleanup idempotent.

Line 351 removes /metadata/ownerReferences with a JSON patch, and the defer cleanup repeats the same removal. A JSON Patch remove on a path that no longer exists fails, so the deferred cleanup can make an otherwise passing spec fail.

+		ownerRefRemoved := false
 		defer func() {
+			if ownerRefRemoved {
+				return
+			}
 			exutil.By("Restoring MachineSet by removing OwnerReference")
 			o.Expect(machineSetUnderTest.Patch("json", `[{"op":"remove","path":"/metadata/ownerReferences"}]`)).To(o.Succeed())
 			machineConfiguration.WaitForBootImageControllerComplete()
 		}()
...
 		exutil.By("Remove OwnerReference and verify automatic.ocpVersion is restored")
 		o.Expect(machineSetUnderTest.Patch("json", `[{"op":"remove","path":"/metadata/ownerReferences"}]`)).To(o.Succeed())
+		ownerRefRemoved = true
 		machineConfiguration.WaitForBootImageControllerComplete()

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

In `@test/extended-priv/mco_bootimages_skew.go` around lines 335 - 339, Make the
deferred cleanup around machineSetUnderTest idempotent: before removing
/metadata/ownerReferences, ensure the owner reference exists or tolerate an
already-removed path, while preserving the existing restoration and
MachineForBootImageControllerComplete wait behavior.

🩺 Stability & Availability | 🟠 Major | ⚡ Quick win

Inconsistent wait strategy vs. the restoration check below.

This assertion uses a single synchronous o.Expect right after WaitForBootImageControllerComplete(), whereas the restoration check at lines 353-357 wraps the identical Get call in o.Eventually. Given resetClusterBootImage's status update can lag independently of the "controller complete" signal, this asymmetry risks flakiness here that the later check was clearly written to guard against.

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

In `@test/extended-priv/mco_bootimages_skew.go` around lines 342 - 348, Update the
post-patch verification around WaitForBootImageControllerComplete to poll
Get(automaticOCPVersionPath) with the same Eventually-based strategy used by the
restoration check below. Preserve the existing error and non-empty assertions,
logging, and controller wait while allowing resetClusterBootImage status updates
to settle asynchronously.

🩺 Stability & Availability | 🟡 Minor | ⚡ Quick win

Error from Get is silently discarded.

v, _ := machineConfiguration.Get(...) drops the error inside the polling closure. Gomega's Eventually supports functions returning (value, error) directly and will retry automatically on a non-nil error, which is more idiomatic than swallowing it here.

-		o.Eventually(func() string {
-			v, _ := machineConfiguration.Get(automaticOCPVersionPath)
-			return v
-		}, "2m", "10s").Should(o.Equal(originalOCPVersion),
+		o.Eventually(func() (string, error) {
+			return machineConfiguration.Get(automaticOCPVersionPath)
+		}, "2m", "10s").Should(o.Equal(originalOCPVersion),
 			"automatic.ocpVersion should be restored to %s after removing OwnerReference", originalOCPVersion)

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

In `@test/extended-priv/mco_bootimages_skew.go` around lines 353 - 357, Update the
Eventually polling closure around machineConfiguration.Get to return both its
value and error directly instead of discarding the error. Preserve the existing
automatic.ocpVersion path and equality assertion so Eventually retries on
non-nil errors and validates the restored version.

Source: Path instructions