82 lines
2.5 KiB
Python
82 lines
2.5 KiB
Python
# Copyright 2021 Red Hat, 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 functools
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import sys
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from oslo_config import cfg
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from oslo_log import log as logging
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from oslo_service import periodic_task
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from oslo_service import service
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from ovn_bgp_agent import config
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from ovn_bgp_agent.drivers import driver_api
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CONF = cfg.CONF
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LOG = logging.getLogger(__name__)
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class BGPAgentMeta(type(service.Service),
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type(periodic_task.PeriodicTasks)):
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pass
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class BGPAgent(service.Service, periodic_task.PeriodicTasks,
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metaclass=BGPAgentMeta):
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"""BGP OVN Agent."""
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def __init__(self):
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super(BGPAgent, self).__init__()
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periodic_task.PeriodicTasks.__init__(self, CONF)
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self.agent_driver = driver_api.AgentDriverBase.get_instance(
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CONF.driver)
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def start(self):
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LOG.info("Service '%s' starting", self.__class__.__name__)
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super(BGPAgent, self).start()
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self.agent_driver.start()
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LOG.info("Service '%s' started", self.__class__.__name__)
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f = functools.partial(self.run_periodic_tasks, None)
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self.tg.add_timer(1, f)
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@periodic_task.periodic_task(spacing=CONF.reconcile_interval,
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run_immediately=True)
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def sync(self, context):
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LOG.info("Running reconciliation loop to ensure routes/rules are "
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"in place.")
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try:
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self.agent_driver.sync()
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except Exception as e:
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LOG.exception("Unexpected exception while running the sync: %s", e)
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def wait(self):
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super(BGPAgent, self).wait()
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LOG.info("Service '%s' stopped", self.__class__.__name__)
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def stop(self, graceful=False):
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LOG.info("Service '%s' stopping", self.__class__.__name__)
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super(BGPAgent, self).stop(graceful)
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def start():
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config.init(sys.argv[1:])
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config.setup_logging()
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config.setup_privsep()
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bgp_agent_launcher = service.launch(config.CONF, BGPAgent())
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bgp_agent_launcher.wait()
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