{"record":{"id":"c59f5f6ca70212a7","repo":"kubernetes/kops","slug":"error-parsing-configstore-base-q-v-c59f5f","errorCode":null,"errorMessage":"error parsing configStore.base %q: %v","messagePattern":"error parsing configStore\\.base %q: (.+?)","errorType":"exception","errorClass":null,"httpStatus":null,"severity":"critical","filePath":"upup/pkg/fi/cloudup/apply_cluster.go","lineNumber":274,"sourceCode":"\tif err != nil {\n\t\treturn nil, err\n\t}\n\n\terr = c.validateKopsVersion()\n\tif err != nil {\n\t\treturn nil, err\n\t}\n\n\terr = c.validateKubernetesVersion()\n\tif err != nil {\n\t\treturn nil, err\n\t}\n\n\tcluster := c.Cluster\n\n\tconfigBase, err := c.Clientset.VFSContext().BuildVfsPath(cluster.Spec.ConfigStore.Base)\n\tif err != nil {\n\t\treturn nil, fmt.Errorf(\"error parsing configStore.base %q: %v\", cluster.Spec.ConfigStore.Base, err)\n\t}\n\n\tif !c.AllowKopsDowngrade {\n\t\tkopsVersionUpdatedBytes, err := configBase.Join(registry.PathKopsVersionUpdated).ReadFile(ctx)\n\t\tif err == nil {\n\t\t\tkopsVersionUpdated := strings.TrimSpace(string(kopsVersionUpdatedBytes))\n\t\t\tversion, err := semver.Parse(kopsVersionUpdated)\n\t\t\tif err != nil {\n\t\t\t\treturn nil, fmt.Errorf(\"error parsing last kops version updated: %v\", err)\n\t\t\t}\n\t\t\tif version.GT(semver.MustParse(kopsbase.Version)) {\n\t\t\t\tfmt.Printf(\"\\n\")\n\t\t\t\tfmt.Printf(\"%s\\n\", starline)\n\t\t\t\tfmt.Printf(\"\\n\")\n\t\t\t\tfmt.Printf(\"The cluster was last updated by kops version %s\\n\", kopsVersionUpdated)\n\t\t\t\tfmt.Printf(\"To permit updating by the older version %s, run with the --allow-kops-downgrade flag\\n\", kopsbase.Version)\n\t\t\t\tfmt.Printf(\"\\n\")\n\t\t\t\tfmt.Printf(\"%s\\n\", starline)","sourceCodeStart":256,"sourceCodeEnd":292,"githubUrl":"https://github.com/kubernetes/kops/blob/4c8573c808a73d578c5eadc86d410646ea0b0d73/upup/pkg/fi/cloudup/apply_cluster.go#L256-L292","documentation":"Run() converts cluster.Spec.ConfigStore.Base into a VFS path via BuildVfsPath. If the base string is malformed for the backing store (state store URI syntax wrong, missing/invalid bucket name, bad scheme), the parse fails and Run returns this wrapped error. The cluster cannot be located, so nothing proceeds.","triggerScenarios":"Updating a cluster whose ConfigStore.Base is an unparseable path, e.g. a typo'd s3:// URI, an empty base, or a base with characters/scheme BuildVfsPath does not accept (commonly after hand-editing the cluster spec or migrating state stores).","commonSituations":"Hand-edited cluster spec after `kops edit cluster`; migrating from one state store (S3) to another (GCS/etcd) and leaving a stale base; creating a cluster spec manually with a missing s3 bucket portion.","solutions":["Fix cluster.Spec.ConfigStore.Base with `kops edit cluster` so it is a valid state store path (e.g. s3://<bucket>/<prefix>).","Verify the underlying store URI works: `kops get clusters --state <base>` using the same value.","If the spec itself was corrupted, recreate it from a known-good export (kops get -o yaml) or from the state store backup."],"exampleFix":"// before (invalid)\nConfigStore: { Base: \"s3://\" }\n// after\nConfigStore: { Base: \"s3://my-kops-state.example.com/cluster.example.com\" }","handlingStrategy":"validation","validationCode":"_, err := vfs.Context.BuildVfsPath(cluster.Spec.ConfigStore.Base)\nif err != nil {\n    return fmt.Errorf(\"invalid configStore.base %q: %w\", cluster.Spec.ConfigStore.Base, err)\n}","typeGuard":null,"tryCatchPattern":null,"preventionTips":["Always provision clusters via kops CLI, not hand-edited specs.","Run `kops get clusters --state <base>` as a smoke test before updates.","Pin ConfigStore.Base in infrastructure-as-code with schema checks."],"tags":["config","state-store","vfs","parsing"],"backgroundTag":"invalid-state-store-path","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"}