59 lines
2.0 KiB
Python
59 lines
2.0 KiB
Python
# Copyright 2014 Rackspace
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#
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# Licensed under the Apache License, Version 2.0 (the "License"); you may
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# not use this file except in compliance with the License. You may obtain
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# a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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# License for the specific language governing permissions and limitations
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# under the License.
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from oslo_config import cfg
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from oslo_log import log as logging
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import oslo_messaging as messaging
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from oslo_service import service
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from octavia.controller.queue import endpoint
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from octavia.i18n import _LI
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LOG = logging.getLogger(__name__)
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class Consumer(service.Service):
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def __init__(self):
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super(Consumer, self).__init__()
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self.server = None
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def start(self):
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topic = cfg.CONF.oslo_messaging.topic
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server = cfg.CONF.host
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transport = messaging.get_transport(cfg.CONF)
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target = messaging.Target(topic=topic, server=server, fanout=False)
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endpoints = [endpoint.Endpoint()]
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self.server = messaging.get_rpc_server(transport, target, endpoints,
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executor='eventlet')
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LOG.info(_LI('Starting consumer...'))
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self.server.start()
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super(Consumer, self).start()
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def stop(self, graceful=False):
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if self.server:
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LOG.info(_LI('Stopping consumer...'))
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self.server.stop()
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if graceful:
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LOG.info(
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_LI('Consumer successfully stopped. Waiting for final '
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'messages to be processed...'))
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self.server.wait()
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super(Consumer, self).stop(graceful=graceful)
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def reset(self):
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if self.server:
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self.server.reset()
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super(Consumer, self).reset()
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