Lingxian Kong
7b6deac2c1
- Add db layer and db migration support - Add orchestrator layer, currently only kubernetes supported. - Now, create/get/delete runtime work fine
77 lines
2.3 KiB
Python
77 lines
2.3 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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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 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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LOG = logging.getLogger(__name__)
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CONF = cfg.CONF
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class EngineService(service.Service):
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def __init__(self):
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super(EngineService, self).__init__()
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self.server = None
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def start(self):
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orchestrator = orchestra_base.load_orchestrator(CONF)
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topic = CONF.engine.topic
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server = CONF.engine.host
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transport = messaging.get_transport(CONF)
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target = messaging.Target(topic=topic, server=server, fanout=False)
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endpoints = [engine.DefaultEngine(orchestrator)]
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self.server = messaging.get_rpc_server(
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transport,
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target,
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endpoints,
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executor='eventlet',
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serializer=rpc.ContextSerializer(
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messaging.serializer.JsonPayloadSerializer())
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)
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db_api.setup_db()
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LOG.info('Starting engine...')
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self.server.start()
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super(EngineService, self).start()
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def stop(self, graceful=False):
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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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if graceful:
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LOG.info(
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'Consumer successfully stopped. Waiting for final '
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'messages to be processed...'
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)
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self.server.wait()
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super(EngineService, 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(EngineService, self).reset()
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