get the output of timedatectl

def _timedatectl():
    '''
    get the output of timedatectl
    '''
    ret = __salt__['cmd.run_all'](['timedatectl'], python_shell=False)

    if ret['retcode'] != 0:
        msg = 'timedatectl failed: {0}'.format(ret['stderr'])
        raise CommandExecutionError(msg)

    return ret