0448383d20
* With Pymysql driver and "eventlet" Oslo Messaging executor type Mistral seems to work fine. Just in case there's a regression in comparison with using "blocking" executor this patch makes a a change in a form of a config option that defines an RPC executor rather making it hardcoded. Change-Id: Id73364eee29f2113fc983718b9891a496ca32ee4
66 lines
2.0 KiB
Python
66 lines
2.0 KiB
Python
# Copyright 2015 - Mirantis, Inc.
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain 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,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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import oslo_messaging as messaging
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from oslo_messaging.rpc import dispatcher
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from mistral import context as ctx
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from mistral.rpc import base as rpc
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class OsloRPCServer(rpc.RPCServer):
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def __init__(self, conf):
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super(OsloRPCServer, self).__init__(conf)
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self.topic = conf.topic
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self.server_id = conf.host
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self.queue = self.topic
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self.routing_key = self.topic
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self.channel = None
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self.connection = None
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self.endpoints = []
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self.oslo_server = None
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def register_endpoint(self, endpoint):
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self.endpoints.append(endpoint)
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def run(self, executor='eventlet'):
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target = messaging.Target(
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topic=self.topic,
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server=self.server_id
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)
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# TODO(rakhmerov): rpc.get_transport() should be in oslo.messaging
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# related module.
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access_policy = dispatcher.DefaultRPCAccessPolicy
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self.oslo_server = messaging.get_rpc_server(
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rpc.get_transport(),
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target,
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self.endpoints,
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executor=executor,
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serializer=ctx.RpcContextSerializer(),
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access_policy=access_policy
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)
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self.oslo_server.start()
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def stop(self, graceful=False):
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self.oslo_server.stop()
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if graceful:
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self.oslo_server.wait()
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def wait(self):
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self.oslo_server.wait()
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