{"record":{"id":"c5a8e205618c4182","repo":"kubernetes/kops","slug":"applying-q-w","errorCode":null,"errorMessage":"applying %q: %w","messagePattern":"applying %q: %w","errorType":"exception","errorClass":null,"httpStatus":null,"severity":"error","filePath":"channels/pkg/cmd/apply_channel.go","lineNumber":213,"sourceCode":"\t\treturn fmt.Errorf(\"cannot parse kubernetes version %q\", kubernetesVersionInfo.GitVersion)\n\t}\n\n\t// Remove Pre and Patch, as they make semver comparisons impractical\n\tkubernetesVersion.Pre = nil\n\n\tif len(args) == 0 {\n\t\treturn fmt.Errorf(\"at least one channel URL is required\")\n\t}\n\n\tvar merr error\n\tfor _, channelLocation := range args {\n\t\tmenu, err := buildMenu(f.VFSContext(), kubernetesVersion, channelLocation)\n\t\tif err != nil {\n\t\t\tmerr = multierr.Append(merr, fmt.Errorf(\"building menu for %q: %w\", channelLocation, err))\n\t\t\tcontinue\n\t\t}\n\t\tif err := applyMenu(ctx, menu, f.VFSContext(), k8sClient, cmClient, dynamicClient, restMapper, options.Yes); err != nil {\n\t\t\tmerr = multierr.Append(merr, fmt.Errorf(\"applying %q: %w\", channelLocation, err))\n\t\t}\n\t}\n\treturn merr\n}\n\nfunc applyMenu(ctx context.Context, menu *channels.AddonMenu, vfsContext *vfs.VFSContext, k8sClient kubernetes.Interface, cmClient certmanager.Interface, dynamicClient dynamic.Interface, restMapper *restmapper.DeferredDiscoveryRESTMapper, apply bool) error {\n\t// channelVersions is the list of installed addons in the cluster.\n\t// It is keyed by <namespace>:<addon name>.\n\tchannelVersions, err := getChannelVersions(ctx, k8sClient)\n\tif err != nil {\n\t\treturn fmt.Errorf(\"cannot fetch channel versions from namespaces: %w\", err)\n\t}\n\n\tupdates, needUpdates, err := getUpdates(ctx, menu, k8sClient, cmClient, channelVersions)\n\tif err != nil {\n\t\treturn fmt.Errorf(\"failed to get updates: %w\", err)\n\t}\n","sourceCodeStart":195,"sourceCodeEnd":231,"githubUrl":"https://github.com/kubernetes/kops/blob/4c8573c808a73d578c5eadc86d410646ea0b0d73/channels/pkg/cmd/apply_channel.go#L195-L231","documentation":"applyMenu applies a successfully built addon menu. Any failure inside it (fetching installed channel versions, computing updates, or EnsureUpdated) is wrapped as 'applying %q: %w' keyed by the channel location and accumulated into multierr. This is the top-level wrapper for the apply phase.","triggerScenarios":"`kops apply channel <abs-url>` where Namespaces().List fails, getUpdates fails, or an addon's EnsureUpdated errors against the cluster API.","commonSituations":"Cluster unreachable, stale kubeconfig, RBAC denying namespace list or addon updates, one broken addon failing partway through a multi-addon apply.","solutions":["Inspect the wrapped cause for the real failure (connectivity, auth, RBAC, schema)","Verify cluster access with kubectl before applying","Fix the specific failing addon or permission, then re-run apply (idempotent)","Ensure kubeconfig is exported for the target cluster (kops export kubecfg)"],"exampleFix":null,"handlingStrategy":"try-catch","validationCode":"if err := k8sClient.CoreV1().Namespaces().List(ctx, metav1.ListOptions{}); err != nil {\n\treturn fmt.Errorf(\"cluster unreachable, aborting apply: %w\", err)\n}","typeGuard":null,"tryCatchPattern":"if err := RunApplyChannel(ctx, f, out, locations, options); err != nil {\n\tif merr, ok := err.(multierr.Error); ok {\n\t\tfor _, e := range merr.Errors() {\n\t\t\tlog.Printf(\"apply failed: %v\", e) // inspect wrapped cause per location\n\t\t}\n\t}\n}","preventionTips":["Verify kubectl connectivity to the cluster before applying","Check RBAC for namespace list and addon update permissions","Apply addons one location at a time to isolate failures"],"tags":["cli","addons","kubernetes-api","error-wrapping"],"backgroundTag":"addon-apply-failed","analyzedSha":"4c8573c808a73d578c5eadc86d410646ea0b0d73","analyzedAt":"2026-09-05T04:13:19.212Z","contentChangedAt":"2026-09-05T04:13:19.212Z","schemaVersion":2},"datasetVersion":"2026-09-12T12:17:11.808Z"}