'Set or unset ``forced_down`` flag for the service.
For a full list of available parameters, please refer to the official
API reference:
https://developer.openstack.org/api-ref/compute/#update-forced-down'

def update_forced_down(self, **kwargs):

    post_body = json.dumps(kwargs)
    (resp, body) = self.put('os-services/force-down', post_body)
    body = json.loads(body)
    self.validate_response(schemav211.update_forced_down, resp, body)
    return rest_client.ResponseBody(resp, body)
