func readLine()

in pkg/metrics/collector/pod_ip_metrics.go [188:203]

• 14 lines of code
• 3 McCabe index (conditional complexity)

func readLine(path string) (string, error) {
	buf, err := os.Open(path)
	if err != nil {
		return "", err
	}

	defer func() {
		if err = buf.Close(); err != nil {
			glog.Errorf("Error closing file %s: %s", path, err)
		}
	}()

	s := bufio.NewScanner(buf)
	s.Scan()
	return s.Text(), s.Err()
}