71 lines
2.4 KiB
Python
71 lines
2.4 KiB
Python
# Copyright 2017 Catalyst IT Limited
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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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import cotyledon
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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_messaging.rpc import dispatcher
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from qinling.db import api as db_api
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from qinling.engine import default_engine as engine
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from qinling.orchestrator import base as orchestra_base
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from qinling import rpc
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from qinling.services import periodics
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from qinling.utils.openstack import keystone as keystone_utils
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LOG = logging.getLogger(__name__)
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CONF = cfg.CONF
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class EngineService(cotyledon.Service):
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def __init__(self, worker_id):
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super(EngineService, self).__init__(worker_id)
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self.server = None
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def run(self):
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qinling_endpoint = keystone_utils.get_qinling_endpoint()
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orchestrator = orchestra_base.load_orchestrator(CONF, qinling_endpoint)
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db_api.setup_db()
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topic = CONF.engine.topic
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server = CONF.engine.host
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transport = messaging.get_rpc_transport(CONF)
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target = messaging.Target(topic=topic, server=server, fanout=False)
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endpoint = engine.DefaultEngine(orchestrator, qinling_endpoint)
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access_policy = dispatcher.DefaultRPCAccessPolicy
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self.server = messaging.get_rpc_server(
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transport,
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target,
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[endpoint],
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executor='threading',
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access_policy=access_policy,
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serializer=rpc.ContextSerializer(
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messaging.serializer.JsonPayloadSerializer())
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)
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LOG.info('Starting function mapping periodic task...')
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periodics.start_function_mapping_handler(endpoint)
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LOG.info('Starting engine...')
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self.server.start()
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def terminate(self):
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periodics.stop()
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if self.server:
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LOG.info('Stopping engine...')
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self.server.stop()
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self.server.wait()
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