Source code for octavia.controller.queue.v2.consumer

# Copyright 2014 Rackspace
#    Licensed under the Apache License, Version 2.0 (the "License"); you may
#    not use this file except in compliance with the License. You may obtain
#    a copy of the License at
#    Unless required by applicable law or agreed to in writing, software
#    distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
#    WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
#    License for the specific language governing permissions and limitations
#    under the License.

import cotyledon
from oslo_config import cfg
from oslo_log import log as logging
import oslo_messaging as messaging
from oslo_messaging.rpc import dispatcher
from oslo_utils import uuidutils

from octavia.common import constants
from octavia.common import rpc
from octavia.controller.queue.v2 import endpoints

LOG = logging.getLogger(__name__)


[docs]class ConsumerService(cotyledon.Service): def __init__(self, worker_id, conf): super().__init__(worker_id) self.conf = conf self.topic = constants.TOPIC_AMPHORA_V2 self.server = self.endpoints = [] self.access_policy = dispatcher.DefaultRPCAccessPolicy self.message_listener = None
[docs] def run(self):'Starting V2 consumer...') target = messaging.Target(topic=self.topic, server=self.server, fanout=False) self.endpoints = [endpoints.Endpoints()] self.message_listener = rpc.get_server( target, self.endpoints, executor='threading', access_policy=self.access_policy ) self.message_listener.start() if CONF.task_flow.jobboard_enabled: for e in self.endpoints: e.worker.services_controller.run_conductor( 'octavia-task-flow-conductor-%s' % uuidutils.generate_uuid())
[docs] def terminate(self): if self.message_listener:'Stopping V2 consumer...') self.message_listener.stop()'V2 Consumer successfully stopped. Waiting for ' 'final messages to be processed...') self.message_listener.wait() if self.endpoints:'Shutting down V2 endpoint worker executors...') for e in self.endpoints: try: e.worker.executor.shutdown() except AttributeError: pass super().terminate()