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fix: match StatefulSet volumeClaimTemplates storage quantities in SSA matcher - #3683
The API server stores PersistentVolumeClaim template storage requests in canonical form, for example 1024Mi as 1Gi. The SSA matcher compares strings, so it reports a mismatch and the dependent StatefulSet is updated on every reconciliation. This is the same symptom as #3681, for StatefulSet.spec.volumeClaimTemplates[i].spec.resources.requests.
Change
File
Change
SSABasedGenericKubernetesResourceMatcher
sanitizeVolumeClaimTemplates normalises resources.requests with QuantitySanitizer.sanitizeQuantities.
The SSA matcher now sanitizes resource requests in StatefulSet volume-claim templates when desired and actual resources are present. Test changes add an equivalent-storage fixture and set a desired storage request to 1024Mi.
Changes: StatefulSet volume-claim quantities
Layer / File(s)
Summary
Sanitize and test volume-claim requests operator-framework-core/src/main/java/io/javaoperatorsdk/operator/processing/dependent/kubernetes/SSABasedGenericKubernetesResourceMatcher.java, operator-framework-core/src/test/java/io/javaoperatorsdk/operator/processing/dependent/kubernetes/SSABasedGenericKubernetesResourceMatcherTest.java, operator-framework-core/src/test/resources/io/javaoperatorsdk/operator/processing/dependent/kubernetes/sample-sts-volumeclaimtemplates-desired-with-equivalent-storage.yaml, operator-framework/src/test/java/io/javaoperatorsdk/operator/dependent/statefulsetdesiredsanitizer/StatefulSetDesiredSanitizerDependentResource.java
The matcher sanitizes actual volume-claim request maps against desired and actual request maps when both resources are present. Tests add a 1024Mi fixture and set the desired volume claim storage request to 1024Mi.
operator-framework/java-operator-sdk#3681 — The issue describes a similar mismatch for equivalent Kubernetes quantities in HPA metric targets.
Possibly related PRs
operator-framework/java-operator-sdk#3682 — This PR applies quantity sanitization to HPA metric targets; this change applies it to StatefulSet volume-claim requests.
Suggested labels:java
Suggested reviewers:csviri, xstefank
Merge Risk: Minimal · up to a8476
Equivalent storage quantities should no longer cause repeated updates. No merge-blocking issue was identified.
Pre-merge checks: 4 · 1
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Passed checks: 4 passed
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The title clearly describes the main change: matching StatefulSet volumeClaimTemplates storage quantities in the SSA matcher.
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Write docstrings for the functions missing them to satisfy the coverage threshold.
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Autofix · Keep fixing CodeRabbit findings and required CI, and resolving merge conflicts
… matcher
The API server stores PersistentVolumeClaim template storage requests in
canonical form, so a desired storage of 1024Mi is stored as 1Gi and the
dependent StatefulSet was updated on every reconciliation. Normalise the
volumeClaimTemplates resource requests with the shared quantity check
used for pod template resources.
Signed-off-by: Conor Gallagher <cjbooms@gmail.com>
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Problem
The API server stores PersistentVolumeClaim template storage requests in canonical form, for example
1024Mias1Gi. The SSA matcher compares strings, so it reports a mismatch and the dependent StatefulSet is updated on every reconciliation. This is the same symptom as #3681, forStatefulSet.spec.volumeClaimTemplates[i].spec.resources.requests.Change
SSABasedGenericKubernetesResourceMatchersanitizeVolumeClaimTemplatesnormalisesresources.requestswithQuantitySanitizer.sanitizeQuantities.sample-sts-volumeclaimtemplates-desired-with-equivalent-storage.yaml1024Miagainst the actual1Gi. Added to the existing matching test parameters.StatefulSetDesiredSanitizerDependentResource1024Mistorage.Verification
StatefulSetDesiredSanitizerITon k3s v1.31.4 times out without the matcher change and passes with it.Summary by CodeRabbit
1024Mi, are now recognized as matching even when the quantity formats differ.