func machineID()

in providers/linux/machineid.go [33:60]

• 19 lines of code
• 5 McCabe index (conditional complexity)

func machineID(hostfs string) (string, error) {
	var contents []byte
	var err error

	for _, file := range machineIDFiles {
		contents, err = os.ReadFile(filepath.Join(hostfs, file))
		if err != nil {
			if os.IsNotExist(err) {
				// Try next location
				continue
			}

			// Return with error on any other error
			return "", fmt.Errorf("failed to read %v: %w", file, err)
		}

		// Found it
		break
	}

	if os.IsNotExist(err) {
		// None of the locations existed
		return "", types.ErrNotImplemented
	}

	contents = bytes.TrimSpace(contents)
	return string(contents), nil
}