201f7807f2
This patch introduces the RPC contract changes required for both the server (plugin) and agent to propagate and retrieve additional information about Distributed Routers, like MAC addresses and Port Bindings. Partially-implements: blueprint neutron-ovs-dvr Change-Id: I04a2ee5fceea79d2786c799178f8dd1675925a39 Authored-by: Vivekanandan Narasimhan <vivekanandan.narasimhan@hp.com> Co-Authored-By: Armando Migliaccio <armamig@gmail.com>
123 lines
4.4 KiB
Python
123 lines
4.4 KiB
Python
# Copyright 2014, Hewlett-Packard Development Company, L.P.
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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.common import log
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from neutron.common import topics
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from neutron import manager
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from neutron.openstack.common import log as logging
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LOG = logging.getLogger(__name__)
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class DVRServerRpcApiMixin(object):
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"""Agent-side RPC (stub) for agent-to-plugin interaction."""
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DVR_RPC_VERSION = "1.0"
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@log.log
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def get_dvr_mac_address_by_host(self, context, host):
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return self.call(context,
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self.make_msg('get_dvr_mac_address_by_host',
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host=host),
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version=self.DVR_RPC_VERSION,
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topic=self.topic)
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@log.log
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def get_dvr_mac_address_list(self, context):
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return self.call(context,
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self.make_msg('get_dvr_mac_address_list'),
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version=self.DVR_RPC_VERSION,
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topic=self.topic)
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@log.log
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def get_compute_ports_on_host_by_subnet(self, context, host, subnet):
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return self.call(context,
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self.make_msg('get_compute_ports_on_host_by_subnet',
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host=host,
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subnet=subnet),
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version=self.DVR_RPC_VERSION,
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topic=self.topic)
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@log.log
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def get_subnet_for_dvr(self, context, subnet):
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return self.call(context,
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self.make_msg('get_subnet_for_dvr',
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subnet=subnet),
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version=self.DVR_RPC_VERSION,
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topic=self.topic)
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class DVRServerRpcCallbackMixin(object):
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"""Plugin-side RPC (implementation) for agent-to-plugin interaction."""
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@property
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def plugin(self):
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if not getattr(self, '_plugin', None):
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self._plugin = manager.NeutronManager.get_plugin()
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return self._plugin
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def get_dvr_mac_address_list(self, context):
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return self.plugin.get_dvr_mac_address_list(context)
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def get_dvr_mac_address_by_host(self, context, host):
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return self.plugin.get_dvr_mac_address_by_host(context, host)
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def get_compute_ports_on_host_by_subnet(self, context, host, subnet):
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return self.plugin.get_compute_ports_on_host_by_subnet(context,
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host,
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subnet)
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def get_subnet_for_dvr(self, context, subnet):
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return self.plugin.get_subnet_for_dvr(context, subnet)
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class DVRAgentRpcApiMixin(object):
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"""Plugin-side RPC (stub) for plugin-to-agent interaction."""
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DVR_RPC_VERSION = "1.0"
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def _get_dvr_update_topic(self):
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return topics.get_topic_name(self.topic,
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topics.DVR,
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topics.UPDATE)
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def dvr_mac_address_update(self, context, dvr_macs):
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"""Notify dvr mac address updates."""
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if not dvr_macs:
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return
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self.fanout_cast(context,
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self.make_msg('dvr_mac_address_update',
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dvr_macs=dvr_macs),
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version=self.DVR_RPC_VERSION,
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topic=self._get_dvr_update_topic())
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class DVRAgentRpcCallbackMixin(object):
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"""Agent-side RPC (implementation) for plugin-to-agent interaction."""
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dvr_agent = None
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def dvr_mac_address_update(self, context, **kwargs):
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"""Callback for dvr_mac_addresses update.
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:param dvr_macs: list of updated dvr_macs
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"""
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dvr_macs = kwargs.get('dvr_macs', [])
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LOG.debug("dvr_macs updated on remote: %s", dvr_macs)
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if not self.dvr_agent:
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LOG.warn(_("DVR agent binding currently not set."))
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return
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self.dvr_agent.dvr_mac_address_update(dvr_macs)
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