50 lines
1.9 KiB
Python
50 lines
1.9 KiB
Python
#!/usr/bin/env python
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# vim: tabstop=4 shiftwidth=4 softtabstop=4
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# Copyright 2011 OpenStack LLC.
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# All Rights Reserved.
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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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"""RPC helper for launching a rpc service."""
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import inspect
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import os
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from reddwarf.openstack.common import importutils
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from reddwarf.openstack.common import loopingcall
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from reddwarf.openstack.common.rpc import service as rpc_service
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from reddwarf.common import cfg
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CONF = cfg.CONF
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class RpcService(rpc_service.Service):
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def __init__(self, host=None, binary=None, topic=None, manager=None):
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host = host or CONF.host
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binary = binary or os.path.basename(inspect.stack()[-1][1])
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topic = topic or binary.rpartition('reddwarf-')[2]
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self.manager_impl = importutils.import_object(manager)
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self.report_interval = CONF.report_interval
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super(RpcService, self).__init__(host, topic,
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manager=self.manager_impl)
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def start(self):
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super(RpcService, self).start()
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# TODO(hub-cap): Currently the context is none... do we _need_ it here?
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pulse = loopingcall.LoopingCall(self.manager_impl.run_periodic_tasks,
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context=None)
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pulse.start(interval=self.report_interval,
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initial_delay=self.report_interval)
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pulse.wait()
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