vmware-nsx/neutron/plugins/metaplugin/proxy_neutron_plugin.py
Bob Melander d541adb746 Adds support for L3 routing/NAT as a service plugin
- Adds L3 routing/NAT service plugin
- Removes L3 routing/NAT from ML2 plugin
- Moves "router:external" attribute to new extension "External-net"
- Introduces separate RPC topic for L3 callbacks from L3 agent

Implements: blueprint quantum-l3-routing-plugin

Change-Id: Id9af10c2910f9a1730b163203a68d101ffc3b282
2013-09-11 12:12:10 +02:00

138 lines
5.2 KiB
Python

# vim: tabstop=4 shiftwidth=4 softtabstop=4
# Copyright 2012, Nachi Ueno, NTT MCL, Inc.
# 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.
from oslo.config import cfg
from neutron.db import api as db
from neutron.db import db_base_plugin_v2
from neutron.db import external_net_db
from neutron.db import l3_db
from neutron.openstack.common import log as logging
from neutronclient.common import exceptions
from neutronclient.v2_0 import client
LOG = logging.getLogger(__name__)
class ProxyPluginV2(db_base_plugin_v2.NeutronDbPluginV2,
external_net_db.External_net_db_mixin,
l3_db.L3_NAT_db_mixin):
supported_extension_aliases = ["external-net", "router"]
def __init__(self, configfile=None):
db.configure_db()
self.neutron = client.Client(
username=cfg.CONF.PROXY.admin_user,
password=cfg.CONF.PROXY.admin_password,
tenant_name=cfg.CONF.PROXY.admin_tenant_name,
auth_url=cfg.CONF.PROXY.auth_url,
auth_strategy=cfg.CONF.PROXY.auth_strategy,
auth_region=cfg.CONF.PROXY.auth_region
)
def _get_client(self):
return self.neutron
def create_subnet(self, context, subnet):
subnet_remote = self._get_client().create_subnet(subnet)
subnet['subnet']['id'] = subnet_remote['id']
tenant_id = self._get_tenant_id_for_create(context, subnet['subnet'])
subnet['subnet']['tenant_id'] = tenant_id
try:
subnet_in_db = super(ProxyPluginV2, self).create_subnet(
context, subnet)
except Exception:
self._get_client().delete_subnet(subnet_remote['id'])
return subnet_in_db
def update_subnet(self, context, id, subnet):
subnet_in_db = super(ProxyPluginV2, self).update_subnet(
context, id, subnet)
try:
self._get_client().update_subnet(id, subnet)
except Exception as e:
LOG.error(_("Update subnet failed: %s"), e)
return subnet_in_db
def delete_subnet(self, context, id):
try:
self._get_client().delete_subnet(id)
except exceptions.NotFound:
LOG.warn(_("Subnet in remote have already deleted"))
return super(ProxyPluginV2, self).delete_subnet(context, id)
def create_network(self, context, network):
network_remote = self._get_client().create_network(network)
network['network']['id'] = network_remote['id']
tenant_id = self._get_tenant_id_for_create(context, network['network'])
network['network']['tenant_id'] = tenant_id
try:
network_in_db = super(ProxyPluginV2, self).create_network(
context, network)
except Exception:
self._get_client().delete_network(network_remote['id'])
return network_in_db
def update_network(self, context, id, network):
network_in_db = super(ProxyPluginV2, self).update_network(
context, id, network)
try:
self._get_client().update_network(id, network)
except Exception as e:
LOG.error(_("Update network failed: %s"), e)
return network_in_db
def delete_network(self, context, id):
try:
self._get_client().delete_network(id)
except exceptions.NetworkNotFoundClient:
LOG.warn(_("Network in remote have already deleted"))
return super(ProxyPluginV2, self).delete_network(context, id)
def create_port(self, context, port):
port_remote = self._get_client().create_port(port)
port['port']['id'] = port_remote['id']
tenant_id = self._get_tenant_id_for_create(context, port['port'])
port['port']['tenant_id'] = tenant_id
try:
port_in_db = super(ProxyPluginV2, self).create_port(
context, port)
except Exception:
self._get_client().delete_port(port_remote['id'])
return port_in_db
def update_port(self, context, id, port):
port_in_db = super(ProxyPluginV2, self).update_port(
context, id, port)
try:
self._get_client().update_port(id, port)
except Exception as e:
LOG.error(_("Update port failed: %s"), e)
return port_in_db
def delete_port(self, context, id, l3_port_check=True):
if l3_port_check:
self.prevent_l3_port_deletion(context, id)
self.disassociate_floatingips(context, id)
try:
self._get_client().delete_port(id)
except exceptions.PortNotFoundClient:
LOG.warn(_("Port in remote have already deleted"))
return super(ProxyPluginV2, self).delete_port(context, id)