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OpenStack Study: rpc_callbacks.py**** CubicPower OpenStack Study ****
# vim: tabstop=4 shiftwidth=4 softtabstop=4 # Copyright 2013 Cloudbase Solutions SRL # All Rights Reserved. # # Licensed under the Apache License, Version 2.0 (the "License"); you may # not use this file except in compliance with the License. You may obtain # a copy of the License at # # http://www.apache.org/licenses/LICENSE-2.0 # # Unless required by applicable law or agreed to in writing, software # distributed under the License is distributed on an "AS IS" BASIS, WITHOUT # WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the # License for the specific language governing permissions and limitations # under the License. # @author: Alessandro Pilotti, Cloudbase Solutions Srl from neutron.common import constants as q_const from neutron.common import rpc as q_rpc from neutron.db import agents_db from neutron.db import dhcp_rpc_base from neutron.db import l3_rpc_base from neutron.openstack.common import log as logging from neutron.plugins.hyperv import db as hyperv_db LOG = logging.getLogger(__name__)
**** CubicPower OpenStack Study **** class HyperVRpcCallbacks(
dhcp_rpc_base.DhcpRpcCallbackMixin,
l3_rpc_base.L3RpcCallbackMixin): # Set RPC API version to 1.0 by
**** CubicPower OpenStack Study **** def __init__(self, notifier): self.notifier = notifier self._db = hyperv_db.HyperVPluginDB()
**** CubicPower OpenStack Study **** def create_rpc_dispatcher(self): '''Get the rpc dispatcher for this manager. If a manager would like to set an rpc API version, or support more than one class as the target of rpc messages, override this method. ''' return q_rpc.PluginRpcDispatcher([self, agents_db.AgentExtRpcCallback()])
**** CubicPower OpenStack Study **** def get_device_details(self, rpc_context, **kwargs): """Agent requests device details.""" agent_id = kwargs.get('agent_id') device = kwargs.get('device') LOG.debug(_("Device %(device)s details requested from %(agent_id)s"), {'device': device, 'agent_id': agent_id}) port = self._db.get_port(device) if port: binding = self._db.get_network_binding(None, port['network_id']) entry = {'device': device, 'network_id': port['network_id'], 'port_id': port['id'], 'admin_state_up': port['admin_state_up'], 'network_type': binding.network_type, 'segmentation_id': binding.segmentation_id, 'physical_network': binding.physical_network} # Set the port status to UP self._db.set_port_status(port['id'], q_const.PORT_STATUS_ACTIVE) else: entry = {'device': device} LOG.debug(_("%s can not be found in database"), device) return entry
**** CubicPower OpenStack Study **** def update_device_down(self, rpc_context, **kwargs): """Device no longer exists on agent.""" # TODO(garyk) - live migration and port status agent_id = kwargs.get('agent_id') device = kwargs.get('device') LOG.debug(_("Device %(device)s no longer exists on %(agent_id)s"), {'device': device, 'agent_id': agent_id}) port = self._db.get_port(device) if port: entry = {'device': device, 'exists': True} # Set port status to DOWN self._db.set_port_status(port['id'], q_const.PORT_STATUS_DOWN) else: entry = {'device': device, 'exists': False} LOG.debug(_("%s can not be found in database"), device) return entry
**** CubicPower OpenStack Study **** def tunnel_sync(self, rpc_context, **kwargs): """Tunnel sync. Dummy function for ovs agent running on Linux to work with Hyper-V plugin and agent. """ entry = dict() entry['tunnels'] = {} # Return the list of tunnels IP's to the agent return entry
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