70 lines
2.5 KiB
Python
70 lines
2.5 KiB
Python
# 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
|
|
#
|
|
# http://www.apache.org/licenses/LICENSE-2.0
|
|
#
|
|
# 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_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__)
|
|
|
|
|
|
class ConsumerService(cotyledon.Service):
|
|
|
|
def __init__(self, worker_id, conf):
|
|
super(ConsumerService, self).__init__(worker_id)
|
|
self.conf = conf
|
|
self.topic = constants.TOPIC_AMPHORA_V2
|
|
self.server = conf.host
|
|
self.endpoints = []
|
|
self.access_policy = dispatcher.DefaultRPCAccessPolicy
|
|
self.message_listener = None
|
|
|
|
def run(self):
|
|
LOG.info('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()
|
|
for e in self.endpoints:
|
|
e.worker.services_controller.run_conductor(
|
|
'octavia-task-flow-conductor-%s' % uuidutils.generate_uuid())
|
|
|
|
def terminate(self):
|
|
if self.message_listener:
|
|
LOG.info('Stopping V2 consumer...')
|
|
self.message_listener.stop()
|
|
|
|
LOG.info('V2 Consumer successfully stopped. Waiting for '
|
|
'final messages to be processed...')
|
|
self.message_listener.wait()
|
|
if self.endpoints:
|
|
LOG.info('Shutting down V2 endpoint worker executors...')
|
|
for e in self.endpoints:
|
|
try:
|
|
e.worker.executor.shutdown()
|
|
except AttributeError:
|
|
pass
|
|
super(ConsumerService, self).terminate()
|