def METHOD_NAME(self, ex_zone=None):
    """
    Return configuration info about the Container Engine service.
    :keyword  ex_zone:  Optional zone name or None
    :type     ex_zone:  ``str`` or :class:`GCEZone` or
                        :class:`NodeLocation` or ``None``
    """
    if ex_zone is None:
        ex_zone = self.zone
    request = "/zones/%s/serverconfig" % (ex_zone)
    response = self.connection.request(request, method="GET").object
    return response