126 lines
4.4 KiB
Python
126 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 rpc as n_rpc
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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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@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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@log.log
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def get_ports_on_host_by_subnet(self, context, host, subnet):
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return self.call(context,
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self.make_msg(
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'get_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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@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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class DVRServerRpcCallback(n_rpc.RpcCallback):
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"""Plugin-side RPC (implementation) for agent-to-plugin interaction."""
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# History
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# 1.0 Initial version
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RPC_API_VERSION = "1.0"
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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, **kwargs):
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host = kwargs.get('host')
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LOG.debug("DVR Agent requests mac_address for host %s", host)
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return self.plugin.get_dvr_mac_address_by_host(context, host)
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def get_ports_on_host_by_subnet(self, context, **kwargs):
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host = kwargs.get('host')
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subnet = kwargs.get('subnet')
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LOG.debug("DVR Agent requests list of VM ports on host %s", host)
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return self.plugin.get_ports_on_host_by_subnet(context,
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host, subnet)
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def get_subnet_for_dvr(self, context, **kwargs):
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subnet = kwargs.get('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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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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self.dvr_agent.dvr_mac_address_update(dvr_macs)
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