{"record":{"id":"3bce66c6bac8f4ec","repo":"kubernetes/kops","slug":"error-reading-contents-of-managedfile-v","errorCode":null,"errorMessage":"error reading contents of ManagedFile: %v","messagePattern":"error reading contents of ManagedFile: (.+?)","errorType":"exception","errorClass":null,"httpStatus":null,"severity":"error","filePath":"upup/pkg/fi/fitasks/managedfile.go","lineNumber":165,"sourceCode":"\t\t\treturn nil, fmt.Errorf(\"the %q path does not support public ACL\", p.Path())\n\t\t}\n\t\treturn acl, nil\n\t}\n\n\treturn acls.GetACL(ctx, p, c.T.Cluster)\n}\n\nfunc (_ *ManagedFile) Render(c *fi.CloudupContext, a, e, changes *ManagedFile) error {\n\tctx := c.Context()\n\n\tlocation := fi.ValueOf(e.Location)\n\tif location == \"\" {\n\t\treturn fi.RequiredField(\"Location\")\n\t}\n\n\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","sourceCodeStart":147,"sourceCodeEnd":183,"githubUrl":"https://github.com/kubernetes/kops/blob/4c8573c808a73d578c5eadc86d410646ea0b0d73/upup/pkg/fi/fitasks/managedfile.go#L147-L183","documentation":"Render reads the ManagedFile's Contents resource fully into memory via fi.ResourceAsBytes before writing it to storage. If opening or reading the resource fails, the task wraps the error with this message.","triggerScenarios":"e.Contents is nil or points to a resource that cannot be opened/read (missing file, failed reader, network-backed resource error) during Render.","commonSituations":"A cluster addon/spec references a file path or URL for ManagedFile Contents that doesn't exist or is unreachable at apply time.","solutions":["Verify the source of Contents (file path, URL, or embedded resource) exists and is readable.","Run kops with -v logging to see the underlying %v error after this message for the root cause.","Fix permissions or network access to the underlying contents source."],"exampleFix":null,"handlingStrategy":"try-catch","validationCode":"if e.Contents == nil { return fmt.Errorf(\"ManagedFile %q has no Contents\", e.Name) }","typeGuard":null,"tryCatchPattern":"if err != nil { return fmt.Errorf(\"error reading contents of ManagedFile: %w\", err) }\n// inspect the inner error for open/read root cause","preventionTips":["Verify referenced content files/URLs exist before applying","Check permissions on local files used as Contents","Run with -v to see the wrapped underlying error"],"tags":["vfs","io","managedfile"],"backgroundTag":"resource-read-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"}