{"record":{"id":"f6f3f8674252e074","repo":"GoogleContainerTools/skaffold","slug":"opening-s-w","errorCode":null,"errorMessage":"opening %s: %w","messagePattern":"opening (.+?): %w","errorType":"exception","errorClass":null,"httpStatus":null,"severity":"error","filePath":"pkg/skaffold/event/event.go","lineNumber":841,"sourceCode":"\t\t\tTerminationEvent: &proto.TerminationEvent{\n\t\t\t\tStatus: Failed,\n\t\t\t\tErr:    sErrors.ActionableErr(handler.cfg, constants.Init, err),\n\t\t\t},\n\t\t},\n\t})\n}\n\n// SaveEventsToFile saves the current event log to the filepath provided\nfunc SaveEventsToFile(fp string) error {\n\thandler.logLock.Lock()\n\t// Ensure that the filepath provided has the directories available when attemping to save the file.\n\tdir := filepath.Dir(fp)\n\tif err := os.MkdirAll(dir, 0700); err != nil {\n\t\treturn fmt.Errorf(\"unable to create directory %q: %w\", dir, err)\n\t}\n\tf, err := os.OpenFile(fp, os.O_APPEND|os.O_WRONLY|os.O_CREATE, 0600)\n\tif err != nil {\n\t\treturn fmt.Errorf(\"opening %s: %w\", fp, err)\n\t}\n\tdefer f.Close()\n\tmarshaller := jsonpb.Marshaler{}\n\tfor _, ev := range handler.eventLog {\n\t\tcontents := bytes.NewBuffer([]byte{})\n\t\tif err := marshaller.Marshal(contents, ev); err != nil {\n\t\t\treturn fmt.Errorf(\"marshalling event: %w\", err)\n\t\t}\n\t\tif _, err := f.WriteString(contents.String() + \"\\n\"); err != nil {\n\t\t\treturn fmt.Errorf(\"writing string: %w\", err)\n\t\t}\n\t}\n\thandler.logLock.Unlock()\n\treturn nil\n}\n","sourceCodeStart":823,"sourceCodeEnd":857,"githubUrl":"https://github.com/GoogleContainerTools/skaffold/blob/a1189de023efc32d4b8e11f395acc678aa555011/pkg/skaffold/event/event.go#L823-L857","documentation":"After ensuring directories exist, SaveEventsToFile opens the target file with O_APPEND|O_WRONLY|O_CREATE (mode 0600). If os.OpenFile fails, the error is wrapped as 'opening %s'. At this point directories exist, so failures are about the final file itself.","triggerScenarios":"The final path component is an existing directory (EISDIR); the parent directory is not writable (EACCES); the path is too long (ENAMETOOLONG); or a symlink loop exists at the target path.","commonSituations":"User passes a directory instead of a file path as the save destination; security software or AppArmor blocks file creation; the 0600 mode conflicts with restrictive umask expectations on shared systems.","solutions":["Confirm the fp argument points to a file, not a directory (append a filename if a directory was given)","Check write permission on the parent directory for the current user","Shorten the path or move the destination to a shallower directory if ENAMETOOLONG","Read the wrapped syscall error to identify the exact cause"],"exampleFix":"// before\nSaveEventsToFile(\"/var/log/skaffold\")\n// after\nSaveEventsToFile(\"/var/log/skaffold/events.json\")","handlingStrategy":"validation","validationCode":"if info, err := os.Stat(fp); err == nil && info.IsDir() {\n    return fmt.Errorf(\"event log path %q is a directory\", fp)\n}","typeGuard":null,"tryCatchPattern":"if err := SaveEventsToFile(fp); err != nil {\n    if strings.Contains(err.Error(), \"opening \") {\n        alt := filepath.Join(os.TempDir(), \"skaffold-events.json\")\n        log.Warnf(\"cannot open %s, falling back to %s\", fp, alt)\n        return SaveEventsToFile(alt)\n    }\n    return err\n}","preventionTips":["Pass full file paths, never bare directory paths","Check writability of the parent directory before saving","Keep file paths within filesystem name-length limits","Fall back to a temp-file destination when the primary path is unavailable"],"tags":["filesystem","events","open-file"],"backgroundTag":"permission-denied","analyzedSha":"a1189de023efc32d4b8e11f395acc678aa555011","analyzedAt":"2026-09-05T12:09:27.064Z","contentChangedAt":"2026-09-05T12:09:27.064Z","schemaVersion":2},"datasetVersion":"2026-09-12T17:17:11.597Z"}