Lists permissions for vhost via rabbitmqctl list_permissions

    CLI Example:

    .. code-block:: bash

        salt '*' rabbitmq.list_permissions /myvhost

def list_permissions(vhost, runas=None):
    '''
    Lists permissions for vhost via rabbitmqctl list_permissions

    CLI Example:

    .. code-block:: bash

        salt '*' rabbitmq.list_permissions /myvhost
    '''
    if runas is None and not salt.utils.platform.is_windows():
        runas = salt.utils.user.get_user()
    res = __salt__['cmd.run_all'](
        [RABBITMQCTL, 'list_permissions', '-q', '-p', vhost],
        reset_system_locale=False,
        runas=runas,
        python_shell=False)

    return _output_to_dict(res)