# vim: tabstop=4 shiftwidth=4 softtabstop=4 # Copyright 2012 Isaku Yamahata # # 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: Isaku Yamahata from oslo.config import cfg from ryu.app import client from ryu.app import rest_nw_id from quantum.common import constants as q_const from quantum.common import exceptions as q_exc from quantum.common import rpc as q_rpc from quantum.common import topics from quantum.db import api as db from quantum.db import db_base_plugin_v2 from quantum.db import dhcp_rpc_base from quantum.db import l3_db from quantum.db import l3_rpc_base from quantum.db import models_v2 from quantum.openstack.common import log as logging from quantum.openstack.common import rpc from quantum.plugins.ryu.common import config from quantum.plugins.ryu.db import api_v2 as db_api_v2 LOG = logging.getLogger(__name__) class RyuRpcCallbacks(dhcp_rpc_base.DhcpRpcCallbackMixin, l3_rpc_base.L3RpcCallbackMixin): RPC_API_VERSION = '1.0' def __init__(self, ofp_rest_api_addr): self.ofp_rest_api_addr = ofp_rest_api_addr def create_rpc_dispatcher(self): return q_rpc.PluginRpcDispatcher([self]) def get_ofp_rest_api(self, context, **kwargs): LOG.debug(_("get_ofp_rest_api: %s"), self.ofp_rest_api_addr) return self.ofp_rest_api_addr class RyuQuantumPluginV2(db_base_plugin_v2.QuantumDbPluginV2, l3_db.L3_NAT_db_mixin): supported_extension_aliases = ["router"] def __init__(self, configfile=None): db.configure_db() self.tunnel_key = db_api_v2.TunnelKey( cfg.CONF.OVS.tunnel_key_min, cfg.CONF.OVS.tunnel_key_max) self.ofp_api_host = cfg.CONF.OVS.openflow_rest_api if not self.ofp_api_host: raise q_exc.Invalid(_('Invalid configuration. check ryu.ini')) self.client = client.OFPClient(self.ofp_api_host) self.tun_client = client.TunnelClient(self.ofp_api_host) self.iface_client = client.QuantumIfaceClient(self.ofp_api_host) for nw_id in rest_nw_id.RESERVED_NETWORK_IDS: if nw_id != rest_nw_id.NW_ID_UNKNOWN: self.client.update_network(nw_id) self._setup_rpc() # register known all network list on startup self._create_all_tenant_network() def _setup_rpc(self): self.conn = rpc.create_connection(new=True) self.callbacks = RyuRpcCallbacks(self.ofp_api_host) self.dispatcher = self.callbacks.create_rpc_dispatcher() self.conn.create_consumer(topics.PLUGIN, self.dispatcher, fanout=False) self.conn.consume_in_thread() def _create_all_tenant_network(self): for net in db_api_v2.network_all_tenant_list(): self.client.update_network(net.id) for tun in self.tunnel_key.all_list(): self.tun_client.update_tunnel_key(tun.network_id, tun.tunnel_key) session = db.get_session() for port in session.query(models_v2.Port).all(): self.iface_client.update_network_id(port.id, port.network_id) def _client_create_network(self, net_id, tunnel_key): self.client.create_network(net_id) self.tun_client.create_tunnel_key(net_id, tunnel_key) def _client_delete_network(self, net_id): client.ignore_http_not_found( lambda: self.client.delete_network(net_id)) client.ignore_http_not_found( lambda: self.tun_client.delete_tunnel_key(net_id)) def create_network(self, context, network): session = context.session with session.begin(subtransactions=True): net = super(RyuQuantumPluginV2, self).create_network(context, network) self._process_l3_create(context, network['network'], net['id']) self._extend_network_dict_l3(context, net) tunnel_key = self.tunnel_key.allocate(session, net['id']) try: self._client_create_network(net['id'], tunnel_key) except: self._client_delete_network(net['id']) raise return net def update_network(self, context, id, network): session = context.session with session.begin(subtransactions=True): net = super(RyuQuantumPluginV2, self).update_network(context, id, network) self._process_l3_update(context, network['network'], id) self._extend_network_dict_l3(context, net) return net def delete_network(self, context, id): self._client_delete_network(id) session = context.session with session.begin(subtransactions=True): self.tunnel_key.delete(session, id) super(RyuQuantumPluginV2, self).delete_network(context, id) def get_network(self, context, id, fields=None): net = super(RyuQuantumPluginV2, self).get_network(context, id, None) self._extend_network_dict_l3(context, net) return self._fields(net, fields) def get_networks(self, context, filters=None, fields=None): nets = super(RyuQuantumPluginV2, self).get_networks(context, filters, None) for net in nets: self._extend_network_dict_l3(context, net) nets = self._filter_nets_l3(context, nets, filters) return [self._fields(net, fields) for net in nets] def create_port(self, context, port): port = super(RyuQuantumPluginV2, self).create_port(context, port) self.iface_client.create_network_id(port['id'], port['network_id']) return port def delete_port(self, context, id, l3_port_check=True): # if needed, check to see if this is a port owned by # and l3-router. If so, we should prevent deletion. if l3_port_check: self.prevent_l3_port_deletion(context, id) self.disassociate_floatingips(context, id) return super(RyuQuantumPluginV2, self).delete_port(context, id) def update_port(self, context, id, port): deleted = port['port'].get('deleted', False) port = super(RyuQuantumPluginV2, self).update_port(context, id, port) if deleted: session = context.session db_api_v2.set_port_status(session, id, q_const.PORT_STATUS_DOWN) return port