{"record":{"id":"c63e172116b7d1ea","repo":"kubernetes/kops","slug":"error-checking-for-required-update-v","errorCode":null,"errorMessage":"error checking for required update: %v","messagePattern":"error checking for required update: (.+?)","errorType":"exception","errorClass":null,"httpStatus":null,"severity":"error","filePath":"channels/pkg/cmd/apply_channel.go","lineNumber":303,"sourceCode":"\tfor _, needUpdate := range needUpdates {\n\t\tupdate, err := needUpdate.EnsureUpdated(ctx, vfsContext, k8sClient, cmClient, pruner, applier, channelVersions[needUpdate.GetNamespace()+\":\"+needUpdate.Name])\n\t\tif err != nil {\n\t\t\tmerr = multierr.Append(merr, fmt.Errorf(\"updating %q: %w\", needUpdate.Name, err))\n\t\t} else if update != nil {\n\t\t\tfmt.Printf(\"Updated %q\\n\", update.Name)\n\t\t}\n\t}\n\n\treturn merr\n}\n\nfunc getUpdates(ctx context.Context, menu *channels.AddonMenu, k8sClient kubernetes.Interface, cmClient certmanager.Interface, channelVersions map[string]*channels.ChannelVersion) ([]*channels.AddonUpdate, []*channels.Addon, error) {\n\tvar updates []*channels.AddonUpdate\n\tvar needUpdates []*channels.Addon\n\tfor _, addon := range menu.Addons {\n\t\tupdate, err := addon.GetRequiredUpdates(ctx, k8sClient, cmClient, channelVersions[addon.GetNamespace()+\":\"+addon.Name])\n\t\tif err != nil {\n\t\t\treturn nil, nil, fmt.Errorf(\"error checking for required update: %v\", err)\n\t\t}\n\t\tif update != nil {\n\t\t\tupdates = append(updates, update)\n\t\t\tneedUpdates = append(needUpdates, addon)\n\t\t}\n\t}\n\treturn updates, needUpdates, nil\n}\n\nfunc getChannelVersions(ctx context.Context, k8sClient kubernetes.Interface) (map[string]*channels.ChannelVersion, error) {\n\tnamespaces, err := k8sClient.CoreV1().Namespaces().List(ctx, metav1.ListOptions{})\n\tif err != nil {\n\t\treturn nil, fmt.Errorf(\"error listing namespaces: %v\", err)\n\t}\n\n\tchannelVersions := make(map[string]*channels.ChannelVersion)\n\tfor i := range namespaces.Items {\n\t\tns := &namespaces.Items[i]","sourceCodeStart":285,"sourceCodeEnd":321,"githubUrl":"https://github.com/kubernetes/kops/blob/4c8573c808a73d578c5eadc86d410646ea0b0d73/channels/pkg/cmd/apply_channel.go#L285-L321","documentation":"getUpdates iterates the menu and calls addon.GetRequiredUpdates to compute how many updates each addon needs. Any per-addon error aborts the entire menu processing with 'error checking for required update: %v' (note %v, not %w). Called from applyMenu and tests.","triggerScenarios":"GetRequiredUpdates returns an error while comparing installed vs channel versions — failing to GET the addon's resource or parsing an invalid installed version.","commonSituations":"Addon resources missing or hand-modified in-cluster, unparsable version annotations from older kOps versions, transient API read errors.","solutions":["Identify the offending addon from the message","Correct or delete the in-cluster addon object with the invalid version","Ensure addon.yaml versions are valid semver","Re-run apply"],"exampleFix":null,"handlingStrategy":"validation","validationCode":"if cv := channelVersions[addon.GetNamespace()+\":\"+addon.Name]; cv != nil {\n\tif _, err := semver.Parse(cv.Version); err != nil {\n\t\treturn fmt.Errorf(\"installed addon version %q is not semver; fix before applying\", cv.Version)\n\t}\n}","typeGuard":"func parseableChannelVersion(cv *channels.ChannelVersion) bool {\n\tif cv == nil || cv.Version == \"\" {\n\t\treturn true\n\t}\n\t_, err := semver.Parse(cv.Version)\n\treturn err == nil\n}","tryCatchPattern":"update, err := addon.GetRequiredUpdates(ctx, k8sClient, cmClient, cv)\nif err != nil {\n\treturn fmt.Errorf(\"skipping addon %s: %v\", addon.Name, err) // fail-soft per addon\n}","preventionTips":["Audit in-cluster addon annotations for malformed versions after upgrades","Keep all addon version strings semver-compliant","Avoid editing addon objects directly with kubectl"],"tags":["addons","versioning","comparison"],"backgroundTag":"addon-version-check-failed","analyzedSha":"4c8573c808a73d578c5eadc86d410646ea0b0d73","analyzedAt":"2026-09-05T04:13:19.212Z","contentChangedAt":"2026-09-05T04:13:19.212Z","schemaVersion":2},"datasetVersion":"2026-09-12T07:17:12.445Z"}