Return a list of member workers from the configuration files

    CLI Examples:

    .. code-block:: bash

        salt '*' modjk.list_configured_members loadbalancer1
        salt '*' modjk.list_configured_members loadbalancer1 other-profile

def list_configured_members(lbn, profile='default'):
    '''
    Return a list of member workers from the configuration files

    CLI Examples:

    .. code-block:: bash

        salt '*' modjk.list_configured_members loadbalancer1
        salt '*' modjk.list_configured_members loadbalancer1 other-profile
    '''

    config = dump_config(profile)

    try:
        ret = config['worker.{0}.balance_workers'.format(lbn)]
    except KeyError:
        return []

    return [_f for _f in ret.strip().split(',') if _f]