71 lines
2.8 KiB
Python
71 lines
2.8 KiB
Python
# Copyright 2020 Red Hat, Inc. 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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from oslo_log import log as logging
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from ovn_octavia_provider.common import config as ovn_conf
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from ovn_octavia_provider import event as ovn_event
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from ovn_octavia_provider import helper as ovn_helper
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from ovn_octavia_provider import maintenance
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from ovn_octavia_provider.ovsdb import impl_idl_ovn
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LOG = logging.getLogger(__name__)
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OVN_EVENT_LOCK_NAME = "neutron_ovn_octavia_event_lock"
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def OvnProviderAgent(exit_event):
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# NOTE (froyo): Move inside class in order to avoid
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# the issues on test scope colliding with Neutron
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# already registered options when this register was
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# called from outside of the class a soon this module
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# was imported, also to cover requirement from
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# OvnProviderHelper and intra references modules
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ovn_conf.register_opts()
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helper = ovn_helper.OvnProviderHelper()
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events = [ovn_event.LogicalRouterPortEvent(helper),
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ovn_event.LogicalSwitchPortUpdateEvent(helper)]
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sb_events = [ovn_event.ServiceMonitorUpdateEvent(helper)]
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# NOTE(mjozefcz): This API is only for handling OVSDB events!
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ovn_nb_idl_for_events = impl_idl_ovn.OvnNbIdlForLb(
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event_lock_name=OVN_EVENT_LOCK_NAME)
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ovn_nb_idl_for_events.notify_handler.watch_events(events)
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ovn_nb_idl_for_events.start()
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ovn_sb_idl_for_events = impl_idl_ovn.OvnSbIdlForLb(
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event_lock_name=OVN_EVENT_LOCK_NAME)
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ovn_sb_idl_for_events.notify_handler.watch_events(sb_events)
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ovn_sb_idl_for_events.start()
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# NOTE(froyo): Maintenance task initialization added here
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# as it will be a long life task managed through the Octavia
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# driver agent -- unlike the OVNProviderDriver which is a
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# short life service invocated by Octavia API.
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maintenance_thread = maintenance.MaintenanceThread()
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maintenance_thread.add_periodics(
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maintenance.DBInconsistenciesPeriodics())
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maintenance_thread.start()
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LOG.info('OVN provider agent has started.')
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exit_event.wait()
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LOG.info('OVN provider agent is exiting.')
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ovn_nb_idl_for_events.notify_handler.unwatch_events(events)
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ovn_nb_idl_for_events.stop()
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ovn_sb_idl_for_events.notify_handler.unwatch_events(sb_events)
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ovn_sb_idl_for_events.stop()
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maintenance_thread.stop()
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