OpenStack Networking (Neutron)
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# vim: tabstop=4 shiftwidth=4 softtabstop=4
#
# (c) Copyright 2013 Hewlett-Packard Development Company, L.P.
# 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: Swaminathan Vasudevan, Hewlett-Packard
from neutron.db.vpn import vpn_db
from neutron.openstack.common import log as logging
from neutron.plugins.common import constants
from neutron.services import service_base
LOG = logging.getLogger(__name__)
class VPNPlugin(vpn_db.VPNPluginDb):
"""Implementation of the VPN Service Plugin.
This class manages the workflow of VPNaaS request/response.
Most DB related works are implemented in class
vpn_db.VPNPluginDb.
"""
supported_extension_aliases = ["vpnaas", "service-type"]
class VPNDriverPlugin(VPNPlugin, vpn_db.VPNPluginRpcDbMixin):
"""VpnPlugin which supports VPN Service Drivers."""
#TODO(nati) handle ikepolicy and ipsecpolicy update usecase
def __init__(self):
super(VPNDriverPlugin, self).__init__()
# Load the service driver from neutron.conf.
drivers, default_provider = service_base.load_drivers(
constants.VPN, self)
LOG.info(_("VPN plugin using service driver: %s"), default_provider)
self.ipsec_driver = drivers[default_provider]
def _get_driver_for_vpnservice(self, vpnservice):
return self.ipsec_driver
def _get_driver_for_ipsec_site_connection(self, context,
ipsec_site_connection):
#TODO(nati) get vpnservice when we support service type framework
vpnservice = None
return self._get_driver_for_vpnservice(vpnservice)
def create_ipsec_site_connection(self, context, ipsec_site_connection):
ipsec_site_connection = super(
VPNDriverPlugin, self).create_ipsec_site_connection(
context, ipsec_site_connection)
driver = self._get_driver_for_ipsec_site_connection(
context, ipsec_site_connection)
driver.create_ipsec_site_connection(context, ipsec_site_connection)
return ipsec_site_connection
def delete_ipsec_site_connection(self, context, ipsec_conn_id):
ipsec_site_connection = self.get_ipsec_site_connection(
context, ipsec_conn_id)
super(VPNDriverPlugin, self).delete_ipsec_site_connection(
context, ipsec_conn_id)
driver = self._get_driver_for_ipsec_site_connection(
context, ipsec_site_connection)
driver.delete_ipsec_site_connection(context, ipsec_site_connection)
def update_ipsec_site_connection(
self, context,
ipsec_conn_id, ipsec_site_connection):
old_ipsec_site_connection = self.get_ipsec_site_connection(
context, ipsec_conn_id)
ipsec_site_connection = super(
VPNDriverPlugin, self).update_ipsec_site_connection(
context,
ipsec_conn_id,
ipsec_site_connection)
driver = self._get_driver_for_ipsec_site_connection(
context, ipsec_site_connection)
driver.update_ipsec_site_connection(
context, old_ipsec_site_connection, ipsec_site_connection)
return ipsec_site_connection
def delete_vpnservice(self, context, vpnservice_id):
vpnservice = self._get_vpnservice(context, vpnservice_id)
super(VPNDriverPlugin, self).delete_vpnservice(context, vpnservice_id)
driver = self._get_driver_for_vpnservice(vpnservice)
driver.delete_vpnservice(context, vpnservice)