trove/reddwarf/common/rpc.py
Russell Bryant 1aaed59b4b s/OpenStack LLC/OpenStack Foundation/ in Copyright.
Update Copyright statements that previously said 'OpenStack LLC' to now
say 'OpenStack Foundation'.  Note that the files under openstack/common/
were not updated, as those changes should be brought in by syncing with
oslo-incubator.

Change-Id: I22db9858e899cff72053a4b48100fcc039f5d9dd
2013-04-29 18:33:42 -04:00

50 lines
1.9 KiB
Python

#!/usr/bin/env python
# vim: tabstop=4 shiftwidth=4 softtabstop=4
# Copyright 2011 OpenStack Foundation
# All Rights Reserved.
#
# Licensed under the Apache License, Version 2.0 (the "License"); you may
# not use this file except in compliance with the License. You may obtain
# a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
# License for the specific language governing permissions and limitations
# under the License.
"""RPC helper for launching a rpc service."""
import inspect
import os
from reddwarf.openstack.common import importutils
from reddwarf.openstack.common import loopingcall
from reddwarf.openstack.common.rpc import service as rpc_service
from reddwarf.common import cfg
CONF = cfg.CONF
class RpcService(rpc_service.Service):
def __init__(self, host=None, binary=None, topic=None, manager=None):
host = host or CONF.host
binary = binary or os.path.basename(inspect.stack()[-1][1])
topic = topic or binary.rpartition('reddwarf-')[2]
self.manager_impl = importutils.import_object(manager)
self.report_interval = CONF.report_interval
super(RpcService, self).__init__(host, topic,
manager=self.manager_impl)
def start(self):
super(RpcService, self).start()
# TODO(hub-cap): Currently the context is none... do we _need_ it here?
pulse = loopingcall.LoopingCall(self.manager_impl.run_periodic_tasks,
context=None)
pulse.start(interval=self.report_interval,
initial_delay=self.report_interval)
pulse.wait()