vmware-nsx/quantum/plugins/ryu/ryu_quantum_plugin.py

128 lines
5.1 KiB
Python

# vim: tabstop=4 shiftwidth=4 softtabstop=4
# Copyright 2012 Isaku Yamahata <yamahata at private email ne jp>
# <yamahata at valinux co jp>
# 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
import logging
from ryu.app import client
from ryu.app import rest_nw_id
from quantum.common import exceptions as q_exc
from quantum.common import topics
from quantum.db import api as db
from quantum.db import db_base_plugin_v2
from quantum.db.dhcp_rpc_base import DhcpRpcCallbackMixin
from quantum.db import l3_db
from quantum.db import models_v2
from quantum.openstack.common import cfg
from quantum.openstack.common import rpc
from quantum.openstack.common.rpc import dispatcher
from quantum.plugins.ryu.common import config
from quantum.plugins.ryu.db import api_v2 as db_api_v2
from quantum.plugins.ryu import ofp_service_type
LOG = logging.getLogger(__name__)
class RyuQuantumPluginV2(db_base_plugin_v2.QuantumDbPluginV2,
l3_db.L3_NAT_db_mixin):
supported_extension_aliases = ["router"]
def __init__(self, configfile=None):
options = {"sql_connection": cfg.CONF.DATABASE.sql_connection}
options.update({'base': models_v2.model_base.BASEV2})
reconnect_interval = cfg.CONF.DATABASE.reconnect_interval
options.update({"reconnect_interval": reconnect_interval})
db.configure_db(options)
ofp_con_host = cfg.CONF.OVS.openflow_controller
ofp_api_host = cfg.CONF.OVS.openflow_rest_api
if ofp_con_host is None or ofp_api_host is None:
raise q_exc.Invalid("invalid configuration. check ryu.ini")
hosts = [(ofp_con_host, ofp_service_type.CONTROLLER),
(ofp_api_host, ofp_service_type.REST_API)]
db_api_v2.set_ofp_servers(hosts)
self.client = client.OFPClient(ofp_api_host)
self.client.update_network(rest_nw_id.NW_ID_EXTERNAL)
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.callback = DhcpRpcCallbackMixin()
self.dispatcher = dispatcher.RpcDispatcher([self.callback])
self.conn.create_consumer(topics.PLUGIN, self.dispatcher, fanout=False)
self.conn.consume_in_thread()
def _create_all_tenant_network(self):
networks = db_api_v2.network_all_tenant_list()
for net in networks:
self.client.update_network(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.client.create_network(net['id'])
self._process_l3_create(context, network['network'], net['id'])
self._extend_network_dict_l3(context, net)
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):
session = context.session
with session.begin(subtransactions=True):
super(RyuQuantumPluginV2, self).delete_network(context, id)
self.client.delete_network(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 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)