command-timeout-with-timer.go

func CommandTimeoutWithTimer(command string, timeout time.Duration) (string, error) {
	cmd := exec.Command("/bin/bash", "-c", command)

	timer := time.AfterFunc(timeout, func() {
		cmd.Process.Kill()
	})

	out, err := cmd.CombinedOutput()

	isExpired := timer.Stop()
	if isExpired == false {
		fmt.Println("Command timed out")
		return "Command timed out", errors.New("Command Timeout")
	}

	if err != nil {
		log.Printf("Error : %s", err.Error())
		return string(out), err
	}

	return string(out), nil
}