Rodolfo Alonso Hernandez
980f9bdab2
When using the Neutron WSGI module, the ML2/OVN maintenance worker needs to be spawned in a separate service. This patch adds the service ``neutron-ovn-maintenance-worker``, that is a single process service tha runs the ``MaintenanceWorker`` instance. This process is in charge of performing periodic routines related to the ML2/OVN driver. This new service should be included in any deployment project that allows to spawn Neutron ML2/OVN with WSGI. Along with this patch, a new one for devstack will be proposed. Related-Bug: #1912359 Change-Id: Iea2995adb3343aae74a1b617fbccfce5c62c6b87
43 lines
1.5 KiB
Python
43 lines
1.5 KiB
Python
# Copyright 2024 Red Hat, Inc.
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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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from neutron_lib.api import attributes
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from oslo_log import log
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from neutron._i18n import _
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from neutron.api import extensions
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from neutron import manager
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from neutron import service
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LOG = log.getLogger(__name__)
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def eventlet_ovn_maintenance_worker():
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LOG.info('Eventlet OVN maintenance process starting...')
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try:
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manager.init()
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ext_mgr = extensions.PluginAwareExtensionManager.get_instance()
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ext_mgr.extend_resources('2.0', attributes.RESOURCES)
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ovn_maintenance_worker = service.start_ovn_maintenance_worker()
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if not ovn_maintenance_worker:
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raise RuntimeError(_('OVN maintenance worker not loaded, ML2/OVN '
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'mechanism driver must be used'))
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except NotImplementedError:
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LOG.info('OVN maintenance worker was already started in parent '
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'process by plugin.')
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else:
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ovn_maintenance_worker.wait()
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