{"record":{"id":"cc61750ba5c8827f","repo":"kubernetes/kops","slug":"error-writing-instancegroup-q-v","errorCode":null,"errorMessage":"error writing InstanceGroup %q: %v","messagePattern":"error writing InstanceGroup %q: (.+?)","errorType":"exception","errorClass":null,"httpStatus":null,"severity":"error","filePath":"cmd/kops/upgrade_cluster.go","lineNumber":308,"sourceCode":"\t\t}\n\t}\n\n\tif !options.Yes {\n\t\tfmt.Printf(\"\\nMust specify --yes to perform upgrade\\n\")\n\t\treturn nil\n\t}\n\tfor _, action := range actions {\n\t\taction.apply()\n\t}\n\n\tif err := commands.UpdateCluster(ctx, clientset, cluster, instanceGroups); err != nil {\n\t\treturn err\n\t}\n\n\tfor _, g := range instanceGroups {\n\t\t_, err := clientset.InstanceGroupsFor(cluster).Update(ctx, g, metav1.UpdateOptions{})\n\t\tif err != nil {\n\t\t\treturn fmt.Errorf(\"error writing InstanceGroup %q: %v\", g.ObjectMeta.Name, err)\n\t\t}\n\t}\n\n\tfmt.Printf(\"\\nUpdates applied to configuration.\\n\")\n\n\t// TODO: automate this step\n\tfmt.Printf(\"You can now apply these changes, using `kops update cluster %s`\\n\", cluster.ObjectMeta.Name)\n\n\treturn nil\n}\n\nfunc completeChannel(cmd *cobra.Command, args []string, toComplete string) ([]string, cobra.ShellCompDirective) {\n\t// TODO implement completion against VFS\n\treturn []string{\"alpha\", \"stable\"}, cobra.ShellCompDirectiveNoFileComp\n}\n","sourceCodeStart":290,"sourceCodeEnd":324,"githubUrl":"https://github.com/kubernetes/kops/blob/4c8573c808a73d578c5eadc86d410646ea0b0d73/cmd/kops/upgrade_cluster.go#L290-L324","documentation":"Wraps a failure of the InstanceGroups Update API call during `kops upgrade --yes`: the upgraded instance group configuration could not be written back to the state store. Earlier cluster-spec updates may already have been applied.","triggerScenarios":"Thrown at cmd/kops/upgrade_cluster.go:308 when the library encounters an invalid state.","commonSituations":"See trigger scenarios.","solutions":["Check state store (S3/GCS) write permissions and connectivity","Re-run kops upgrade cluster --yes after fixing access","Inspect kops get instancegroups for partial state"],"exampleFix":null,"handlingStrategy":"retry","validationCode":null,"typeGuard":null,"tryCatchPattern":null,"preventionTips":[],"tags":[],"backgroundTag":null,"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"}