{"record":{"id":"87c78ca4caace069","repo":"derailed/k9s","slug":"data-section-in-secret-description-is-invalid","errorCode":null,"errorMessage":"data section in secret description is invalid","messagePattern":"data section in secret description is invalid","errorType":"exception","errorClass":null,"httpStatus":null,"severity":"error","filePath":"internal/dao/secret.go","lineNumber":99,"sourceCode":"\treturn buff.String(), nil\n}\n\n// SetDecodeData toggles decode mode.\nfunc (s *Secret) SetDecodeData(b bool) {\n\ts.decodeData = b\n}\n\n// Decode removes the encoded part from the secret's description and appends the\n// secret's decoded data.\nfunc (s *Secret) Decode(encodedDescription, path string) (string, error) {\n\tdataEndIndex := strings.Index(encodedDescription, \"====\")\n\tif dataEndIndex == -1 {\n\t\treturn \"\", fmt.Errorf(\"unable to find data section in secret description\")\n\t}\n\n\tdataEndIndex += 4\n\tif dataEndIndex >= len(encodedDescription) {\n\t\treturn \"\", fmt.Errorf(\"data section in secret description is invalid\")\n\t}\n\n\t// Remove the encoded part from k8s's describe API\n\t// More details about the reasoning of index: https://github.com/kubernetes/kubectl/blob/v0.29.0/pkg/describe/describe.go#L2542\n\tbody := encodedDescription[0:dataEndIndex]\n\n\to, err := s.Get(context.Background(), path)\n\tif err != nil {\n\t\treturn \"\", err\n\t}\n\tdata, err := ExtractSecrets(o)\n\tif err != nil {\n\t\treturn \"\", err\n\t}\n\tdecodedSecrets := make([]string, 0, len(data))\n\tfor _, k := range slices.Sorted(maps.Keys(data)) {\n\t\tline := fmt.Sprintf(\"%s: %s\", k, data[k])\n\t\tdecodedSecrets = append(decodedSecrets, strings.TrimSpace(line))","sourceCodeStart":81,"sourceCodeEnd":117,"githubUrl":"https://github.com/derailed/k9s/blob/2d3ccc6ba2ce98c3781bfc441bb3e884f072774f/internal/dao/secret.go#L81-L117","documentation":"Thrown by Secret.Decode after the '====' separator was found but the description ends immediately after it (dataEndIndex+4 >= len(encodedDescription)). That means the describe body is truncated exactly at the separator, leaving no text after the marker to keep as the decoded section's prefix. The parser treats this as a malformed data section and refuses to guess.","triggerScenarios":"Decode() is called on describe output where '====' is the last four characters: an empty Data section rendered as only the marker line, a truncated describe response from the API server, or describe output generated by a tool that appends the separator without the following content.","commonSituations":"Empty Secrets (no .data keys) on clusters whose describer still prints the '====' trailer; piping partial describe output into the decoder; version skew between the kubectl describe format k9s expects and what the cluster emits.","solutions":["Confirm the Secret has data keys: kubectl get secret <name> -o jsonpath='{.data}' should not be empty","Inspect kubectl describe secret <name> output and check content exists after the '====' line","Re-run describe: a truncated response can be transient when the API server is under load","Match k9s version to your cluster's kubectl describe format, or fall back to kubectl get secret -o yaml"],"exampleFix":null,"handlingStrategy":"fallback","validationCode":"dataEnd := strings.Index(desc, \"====\")\nif dataEnd == -1 || dataEnd+4 >= len(desc) {\n    return desc, nil // no usable data section; use raw description\n}\ndecoded, err := s.Decode(desc, path)","typeGuard":null,"tryCatchPattern":"if decoded, err := s.Decode(desc, path); err != nil {\n    slog.Warn(\"secret decode failed; falling back\", slogs.Error, err)\n    return desc, nil\n} else {\n    return decoded, nil\n}","preventionTips":["Treat an empty secret .data map as 'nothing to decode' and skip Decode entirely","Never feed truncated describe strings into Decode; pass the full API response"],"tags":["kubernetes","secret","describe","decode","k9s"],"backgroundTag":null,"analyzedSha":"2d3ccc6ba2ce98c3781bfc441bb3e884f072774f","analyzedAt":"2026-08-15T16:09:14.432Z","schemaVersion":2},"datasetVersion":"2026-08-15T22:17:37.221Z"}