26ef783d04
blueprint ryu-tunnel-support This patch adds tunneling support to Ryu plugin. Ryu supports gre tunneling which requires quantum ryu plugin to manage key assignment. Change-Id: I9f8db0913941c3da13045170e1557d333f0c68e2 Signed-off-by: Isaku Yamahata <yamahata@valinux.co.jp>
153 lines
6.2 KiB
Python
153 lines
6.2 KiB
Python
# vim: tabstop=4 shiftwidth=4 softtabstop=4
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# Copyright 2012 Isaku Yamahata <yamahata at private email ne jp>
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# <yamahata at valinux co jp>
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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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# @author: Isaku Yamahata
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from ryu.app import client
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from ryu.app import rest_nw_id
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from sqlalchemy.orm import exc as sql_exc
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from quantum.common import exceptions as q_exc
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from quantum.common import topics
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from quantum.db import api as db
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from quantum.db import db_base_plugin_v2
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from quantum.db.dhcp_rpc_base import DhcpRpcCallbackMixin
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from quantum.db import l3_db
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from quantum.db import models_v2
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from quantum.openstack.common import cfg
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from quantum.openstack.common import log as logging
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from quantum.openstack.common import rpc
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from quantum.openstack.common.rpc import dispatcher
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from quantum.plugins.ryu.common import config
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from quantum.plugins.ryu.db import api_v2 as db_api_v2
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from quantum.plugins.ryu import ofp_service_type
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LOG = logging.getLogger(__name__)
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class RyuQuantumPluginV2(db_base_plugin_v2.QuantumDbPluginV2,
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l3_db.L3_NAT_db_mixin):
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supported_extension_aliases = ["router"]
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def __init__(self, configfile=None):
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options = {"sql_connection": cfg.CONF.DATABASE.sql_connection}
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options.update({'base': models_v2.model_base.BASEV2})
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reconnect_interval = cfg.CONF.DATABASE.reconnect_interval
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options.update({"reconnect_interval": reconnect_interval})
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db.configure_db(options)
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self.tunnel_key = db_api_v2.TunnelKey(
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cfg.CONF.OVS.tunnel_key_min, cfg.CONF.OVS.tunnel_key_max)
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ofp_con_host = cfg.CONF.OVS.openflow_controller
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ofp_api_host = cfg.CONF.OVS.openflow_rest_api
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if ofp_con_host is None or ofp_api_host is None:
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raise q_exc.Invalid("invalid configuration. check ryu.ini")
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hosts = [(ofp_con_host, ofp_service_type.CONTROLLER),
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(ofp_api_host, ofp_service_type.REST_API)]
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db_api_v2.set_ofp_servers(hosts)
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self.client = client.OFPClient(ofp_api_host)
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self.tun_client = client.TunnelClient(ofp_api_host)
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for nw_id in rest_nw_id.RESERVED_NETWORK_IDS:
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if nw_id != rest_nw_id.NW_ID_UNKNOWN:
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self.client.update_network(nw_id)
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self._setup_rpc()
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# register known all network list on startup
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self._create_all_tenant_network()
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def _setup_rpc(self):
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self.conn = rpc.create_connection(new=True)
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self.callback = DhcpRpcCallbackMixin()
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self.dispatcher = dispatcher.RpcDispatcher([self.callback])
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self.conn.create_consumer(topics.PLUGIN, self.dispatcher, fanout=False)
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self.conn.consume_in_thread()
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def _create_all_tenant_network(self):
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for net in db_api_v2.network_all_tenant_list():
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self.client.update_network(net.id)
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for tun in self.tunnel_key.all_list():
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self.tun_client.update_tunnel_key(tun.network_id, tun.tunnel_key)
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def _client_create_network(self, net_id, tunnel_key):
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self.client.create_network(net_id)
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self.tun_client.create_tunnel_key(net_id, tunnel_key)
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def _client_delete_network(self, net_id):
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client.ignore_http_not_found(
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lambda: self.client.delete_network(net_id))
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client.ignore_http_not_found(
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lambda: self.tun_client.delete_tunnel_key(net_id))
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def create_network(self, context, network):
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session = context.session
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with session.begin(subtransactions=True):
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net = super(RyuQuantumPluginV2, self).create_network(context,
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network)
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self._process_l3_create(context, network['network'], net['id'])
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self._extend_network_dict_l3(context, net)
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tunnel_key = self.tunnel_key.allocate(session, net['id'])
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try:
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self._client_create_network(net['id'], tunnel_key)
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except:
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self._client_delete_network(net['id'])
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raise
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return net
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def update_network(self, context, id, network):
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session = context.session
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with session.begin(subtransactions=True):
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net = super(RyuQuantumPluginV2, self).update_network(context, id,
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network)
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self._process_l3_update(context, network['network'], id)
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self._extend_network_dict_l3(context, net)
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return net
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def delete_network(self, context, id):
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self._client_delete_network(id)
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session = context.session
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with session.begin(subtransactions=True):
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self.tunnel_key.delete(session, id)
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super(RyuQuantumPluginV2, self).delete_network(context, id)
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def get_network(self, context, id, fields=None):
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net = super(RyuQuantumPluginV2, self).get_network(context, id, None)
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self._extend_network_dict_l3(context, net)
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return self._fields(net, fields)
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def get_networks(self, context, filters=None, fields=None):
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nets = super(RyuQuantumPluginV2, self).get_networks(context, filters,
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None)
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for net in nets:
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self._extend_network_dict_l3(context, net)
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nets = self._filter_nets_l3(context, nets, filters)
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return [self._fields(net, fields) for net in nets]
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def delete_port(self, context, id, l3_port_check=True):
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# if needed, check to see if this is a port owned by
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# and l3-router. If so, we should prevent deletion.
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if l3_port_check:
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self.prevent_l3_port_deletion(context, id)
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self.disassociate_floatingips(context, id)
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return super(RyuQuantumPluginV2, self).delete_port(context, id)
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