81 lines
3.1 KiB
Python
81 lines
3.1 KiB
Python
# Copyright (c) 2015 Mellanox Technologies, Ltd
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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.agent import l3_extension
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from neutron_lib import exceptions
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from oslo_log import log
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from neutron._i18n import _
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from neutron.agent import agent_extensions_manager as agent_ext_manager
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from neutron.conf.agent import agent_extensions_manager as agent_ext_mgr_config
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LOG = log.getLogger(__name__)
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L3_AGENT_EXT_MANAGER_NAMESPACE = 'neutron.agent.l3.extensions'
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# TODO(ralonsoh): rehome to neutron_lib.
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class L3ExtensionException(exceptions.NeutronException):
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message = _('The following L3 agent extensions do not inherit from '
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'``neutron_lib.agent.l3_extension.L3AgentExtension``: '
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'%(extensions)s.')
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def register_opts(conf):
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agent_ext_mgr_config.register_agent_ext_manager_opts(conf)
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class L3AgentExtensionsManager(agent_ext_manager.AgentExtensionsManager):
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"""Manage l3 agent extensions."""
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def __init__(self, conf):
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super(L3AgentExtensionsManager,
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self).__init__(conf, L3_AGENT_EXT_MANAGER_NAMESPACE)
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extensions = []
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for extension in self:
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if not isinstance(extension.obj, (l3_extension.L3AgentExtension,)):
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extensions.append(extension.attr)
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if extensions:
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raise L3ExtensionException(extensions=extensions)
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def add_router(self, context, data):
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"""Notify all agent extensions to add router."""
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for extension in self:
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extension.obj.add_router(context, data)
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LOG.debug("L3 agent extension(s) finished router %s "
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"add action.", data['id'])
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def update_router(self, context, data):
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"""Notify all agent extensions to update router."""
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for extension in self:
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extension.obj.update_router(context, data)
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LOG.debug("L3 agent extension(s) finished router %s "
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"update action.", data['id'])
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def delete_router(self, context, data):
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"""Notify all agent extensions to delete router."""
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for extension in self:
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extension.obj.delete_router(context, data)
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LOG.debug("L3 agent extension(s) finished router %s "
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"delete action.", data['id'])
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def ha_state_change(self, context, data):
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"""Notify all agent extensions for HA router state change."""
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for extension in self:
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extension.obj.ha_state_change(context, data)
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LOG.debug('L3 agent extension(s) finished HA state change to "%s" '
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'for router %s', data['state'], data['router_id'])
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