# -*- coding: utf-8 -*-
'''
Device-Mapper module
'''
from __future__ import absolute_import, print_function, unicode_literals
import os.path


def multipath_list():
    '''
    Device-Mapper Multipath list

    CLI Example:

    .. code-block:: bash

        salt '*' devmap.multipath_list
    '''
    cmd = 'multipath -l'
    return __salt__['cmd.run'](cmd).splitlines()


def multipath_flush(device):
    '''
    Device-Mapper Multipath flush

    CLI Example:

    .. code-block:: bash

        salt '*' devmap.multipath_flush mpath1
    '''
    if not os.path.exists(device):
        return '{0} does not exist'.format(device)

    cmd = 'multipath -f {0}'.format(device)
    return __salt__['cmd.run'](cmd).splitlines()