{"record":{"id":"b21dcb9a2da9b9a1","repo":"kubernetes/kops","slug":"error-creating-managedfile-q-v","errorCode":null,"errorMessage":"error creating ManagedFile %q: %v","messagePattern":"error creating ManagedFile %q: (.+?)","errorType":"exception","errorClass":null,"httpStatus":null,"severity":"error","filePath":"upup/pkg/fi/fitasks/managedfile.go","lineNumber":181,"sourceCode":"\tdata, err := fi.ResourceAsBytes(e.Contents)\n\tif err != nil {\n\t\treturn fmt.Errorf(\"error reading contents of ManagedFile: %v\", err)\n\t}\n\n\tp, err := getBasePath(c, e)\n\tif err != nil {\n\t\treturn err\n\t}\n\tp = p.Join(location)\n\n\tacl, err := e.getACL(c, p)\n\tif err != nil {\n\t\treturn err\n\t}\n\n\terr = p.WriteFile(ctx, bytes.NewReader(data), acl)\n\tif err != nil {\n\t\treturn fmt.Errorf(\"error creating ManagedFile %q: %v\", location, err)\n\t}\n\n\treturn nil\n}\n\nfunc getBasePath(c *fi.CloudupContext, e *ManagedFile) (vfs.Path, error) {\n\tbase := fi.ValueOf(e.Base)\n\tif base != \"\" {\n\t\tp, err := vfs.Context.BuildVfsPath(base)\n\t\tif err != nil {\n\t\t\treturn nil, fmt.Errorf(\"error parsing ManagedFile Base %q: %v\", base, err)\n\t\t}\n\t\treturn p, nil\n\t}\n\n\treturn c.T.ClusterConfigBase, nil\n}\n","sourceCodeStart":163,"sourceCodeEnd":199,"githubUrl":"https://github.com/kubernetes/kops/blob/4c8573c808a73d578c5eadc86d410646ea0b0d73/upup/pkg/fi/fitasks/managedfile.go#L163-L199","documentation":"After computing the destination path and ACL, Render writes the file contents with p.WriteFile. Any write failure from the VFS backend is wrapped as \"error creating ManagedFile\" including the target location.","triggerScenarios":"p.WriteFile(ctx, reader, acl) fails — e.g. the bucket/object store is unreachable, credentials lack write permission, or the bucket does not exist.","commonSituations":"Expired cloud credentials, missing s3:PutObject permission, wrong region, or a state-store bucket deleted/moved since the last apply.","solutions":["Read the wrapped %v error to identify the backend failure (auth, permission, network).","Verify cloud credentials and IAM permissions for writing to the state-store path.","Confirm the bucket/container exists and is writable, then re-run kops update cluster.","Check network/proxy connectivity to the storage endpoint."],"exampleFix":null,"handlingStrategy":"retry","validationCode":"// preflight: verify write access to base path\nprobe := basePath.Join(\".kops-probe\")\nif err := probe.WriteFile(ctx, strings.NewReader(\"probe\"), nil); err != nil { return err }","typeGuard":null,"tryCatchPattern":"var werr error\nfor i := 0; i < 3; i++ {\n    if werr = p.WriteFile(ctx, bytes.NewReader(data), acl); werr == nil { break }\n    time.Sleep(time.Duration(i+1) * time.Second)\n}","preventionTips":["Refresh cloud credentials before long apply runs","Grant s3:PutObject (or equivalent) to the kops principal","Confirm the state-store bucket exists and is in the expected region"],"tags":["vfs","io","permissions","managedfile"],"backgroundTag":"vfs-write-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"}