{"record":{"id":"54b5cc89a70d5653","repo":"vitessio/vitess","slug":"cannot-load-credentials-from-path-template-s-w","errorCode":null,"errorMessage":"cannot load credentials from path template %s: %w","messagePattern":"cannot load credentials from path template (.+?): %w","errorType":"exception","errorClass":null,"httpStatus":null,"severity":"error","filePath":"go/vt/vtadmin/vtctldclient/config.go","lineNumber":106,"sourceCode":"\tif c.ResolverOptions == nil {\n\t\tc.ResolverOptions = &resolver.Options{}\n\t}\n\n\tc.ResolverOptions.InstallFlags(fs)\n\n\tcredentialsTmplStr := fs.String(\"credentials-path-tmpl\", \"\",\n\t\t\"Go template used to specify a path to a credentials file, which is a json file containing \"+\n\t\t\t\"a Username and Password. Templates are given the context of the vtctldclient.Config, \"+\n\t\t\t\"and primarily interoplate the cluster name and ID variables.\")\n\n\tif err := fs.Parse(args); err != nil {\n\t\treturn err\n\t}\n\n\tif *credentialsTmplStr != \"\" {\n\t\tcreds, path, err := credentials.LoadFromTemplate(*credentialsTmplStr, c)\n\t\tif err != nil {\n\t\t\treturn fmt.Errorf(\"cannot load credentials from path template %s: %w\", *credentialsTmplStr, err)\n\t\t}\n\n\t\tc.CredentialsPath = path\n\t\tc.Credentials = creds\n\t}\n\n\treturn nil\n}\n","sourceCodeStart":88,"sourceCodeEnd":115,"githubUrl":"https://github.com/vitessio/vitess/blob/01a25a7d176f94613b8d59d799f438380a8760e4/go/vt/vtadmin/vtctldclient/config.go#L88-L115","documentation":"vtctldclient config Parse loads gRPC credentials from a Go text/template path (`credentials-path-tmpl`) via credentials.LoadFromTemplate. If reading/rendering the template or the resulting credentials file fails, Parse returns this wrapped error including the template string. It is a startup-time configuration error, not a runtime dial error.","triggerScenarios":"Calling vtctldclient/config.Parse with a non-empty credentials-path-tmpl flag when the template references unset config fields or points to a missing/unreadable/invalid credentials file.","commonSituations":"Wrong path template syntax (e.g. {{.Keyspace}} on a config without that field); credentials file moved or mounted late in a container; file permissions deny read; malformed JSON in the credentials file.","solutions":["Verify the file the rendered template points to exists and is readable (test by printing the rendered path with the same config values).","Check the credentials file contents are valid (expected user/password JSON consumed by grpcclient static auth).","Simplify the template: replace template placeholders with a literal path to isolate whether the template or the file is the problem.","Alternatively pass a static credentials-path instead of credentials-path-tmpl."],"exampleFix":"// before\n--credentials-path-tmpl \"$HOME/.vitessedata/{{.Cluster}}/creds\"\n// after (verify file exists; hardcode path if cluster field is unset)\n--credentials-path \"$HOME/.vitessedata/prod/creds\"","handlingStrategy":"validation","validationCode":"// Shell: verify the rendered credentials file exists and parses before launch\nCREDS_PATH=$(render_template \"$CREDS_TMPL\")\ntest -r \"$CREDS_PATH\" && jq -e . \"$CREDS_PATH\" >/dev/null || { echo \"credentials file missing/invalid: $CREDS_PATH\"; exit 1; }","typeGuard":null,"tryCatchPattern":"cfg, err := config.Parse(fs, flags, args); if err != nil && strings.Contains(err.Error(), \"cannot load credentials\") { /* inspect template + file */ }","preventionTips":["Keep credentials files in a stable, mounted location and verify existence in startup scripts.","Prefer a literal credentials-path when templating is not required.","Validate credentials file JSON in CI/deploy checks."],"tags":["vtadmin","vtctldclient","credentials","configuration"],"backgroundTag":"credentials-load-failed","analyzedSha":"01a25a7d176f94613b8d59d799f438380a8760e4","analyzedAt":"2026-09-01T17:28:30.605Z","contentChangedAt":null,"schemaVersion":2},"datasetVersion":"2026-09-08T10:18:20.063Z"}