95 lines
4.0 KiB
Python
95 lines
4.0 KiB
Python
# Copyright 2016 Hewlett Packard Enterprise Development Company LP
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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_config import cfg
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from oslo_log import log as logging
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from oslo_utils import importutils
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from neutron.api.rpc.agentnotifiers import bgp_dr_rpc_agent_api
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from neutron.api.rpc.handlers import bgp_speaker_rpc as bs_rpc
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from neutron.common import rpc as n_rpc
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from neutron.db import bgp_db
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from neutron.db import bgp_dragentscheduler_db
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from neutron.extensions import bgp as bgp_ext
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from neutron.extensions import bgp_dragentscheduler as dras_ext
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from neutron.services.bgp.common import constants as bgp_consts
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from neutron.services import service_base
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PLUGIN_NAME = bgp_ext.BGP_EXT_ALIAS + '_svc_plugin'
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LOG = logging.getLogger(__name__)
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class BgpPlugin(service_base.ServicePluginBase,
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bgp_db.BgpDbMixin,
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bgp_dragentscheduler_db.BgpDrAgentSchedulerDbMixin):
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supported_extension_aliases = [bgp_ext.BGP_EXT_ALIAS,
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dras_ext.BGP_DRAGENT_SCHEDULER_EXT_ALIAS]
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def __init__(self):
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super(BgpPlugin, self).__init__()
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self.bgp_drscheduler = importutils.import_object(
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cfg.CONF.bgp_drscheduler_driver)
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self._setup_rpc()
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def get_plugin_name(self):
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return PLUGIN_NAME
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def get_plugin_type(self):
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return bgp_ext.BGP_EXT_ALIAS
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def get_plugin_description(self):
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"""returns string description of the plugin."""
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return ("BGP dynamic routing service for announcement of next-hops "
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"for tenant networks, floating IP's, and DVR host routes.")
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def _setup_rpc(self):
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self.topic = bgp_consts.BGP_PLUGIN
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self.conn = n_rpc.create_connection()
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self.agent_notifiers[bgp_consts.AGENT_TYPE_BGP_ROUTING] = (
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bgp_dr_rpc_agent_api.BgpDrAgentNotifyApi()
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)
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self._bgp_rpc = self.agent_notifiers[bgp_consts.AGENT_TYPE_BGP_ROUTING]
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self.endpoints = [bs_rpc.BgpSpeakerRpcCallback()]
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self.conn.create_consumer(self.topic, self.endpoints,
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fanout=False)
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self.conn.consume_in_threads()
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def add_bgp_peer(self, context, bgp_speaker_id, bgp_peer_info):
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ret_value = super(BgpPlugin, self).add_bgp_peer(context,
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bgp_speaker_id,
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bgp_peer_info)
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hosted_bgp_dragents = self.get_dragents_hosting_bgp_speakers(
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context,
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[bgp_speaker_id])
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for agent in hosted_bgp_dragents:
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self._bgp_rpc.bgp_peer_associated(context, bgp_speaker_id,
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ret_value['bgp_peer_id'],
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agent.host)
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return ret_value
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def remove_bgp_peer(self, context, bgp_speaker_id, bgp_peer_info):
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hosted_bgp_dragents = self.get_dragents_hosting_bgp_speakers(
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context, [bgp_speaker_id])
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ret_value = super(BgpPlugin, self).remove_bgp_peer(context,
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bgp_speaker_id,
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bgp_peer_info)
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for agent in hosted_bgp_dragents:
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self._bgp_rpc.bgp_peer_disassociated(context,
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bgp_speaker_id,
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ret_value['bgp_peer_id'],
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agent.host)
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