def _do(name, fun, path=None):
    '''
    Invoke a function in the lxc module with no args

    path
        path to the container parent
        default: /var/lib/lxc (system default)

        .. versionadded:: 2015.8.0
    '''
    host = find_guest(name, quiet=True, path=path)
    if not host:
        return False

    client = salt.client.get_local_client(__opts__['conf_file'])
    cmd_ret = client.cmd_iter(
            host,
            'lxc.{0}'.format(fun),
            [name],
            kwarg={'path': path},
            timeout=60)
    data = next(cmd_ret)
    data = data.get(host, {}).get('ret', None)
    if data:
        data = {host: data}
    return data