neutron-vpnaas/neutron_vpnaas/services/vpn/plugin.py
armando-migliaccio 8037e8b4c6 Remove fall-back logic to service provider registration
Once [1] merges, we no longer need to catch the AttributeError
exception, so clean this up.

[1] https://review.openstack.org/#/c/202207

Change-Id: I59eaf1dfd67751fdb4026407ea29e9f39fcbc2f9
Related-bug: #1473110
2015-09-01 07:57:06 -07:00

128 lines
5.2 KiB
Python

# (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.
from neutron.db import servicetype_db as st_db
from neutron.i18n import _LI
from neutron.plugins.common import constants
from neutron.services import provider_configuration as pconf
from neutron.services import service_base
from oslo_log import log as logging
from neutron_vpnaas.db.vpn import vpn_db
LOG = logging.getLogger(__name__)
def add_provider_configuration(type_manager, service_type):
type_manager.add_provider_configuration(
service_type,
pconf.ProviderConfiguration('neutron_vpnaas'))
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"]
path_prefix = "/vpn"
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__()
self.service_type_manager = st_db.ServiceTypeManager.get_instance()
add_provider_configuration(self.service_type_manager, constants.VPN)
# Load the service driver from neutron.conf.
drivers, default_provider = service_base.load_drivers(
constants.VPN, self)
LOG.info(_LI("VPN plugin using service driver: %s"), default_provider)
self.ipsec_driver = drivers[default_provider]
vpn_db.subscribe()
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 _get_validator(self):
return self.ipsec_driver.validator
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 create_vpnservice(self, context, vpnservice):
vpnservice = super(
VPNDriverPlugin, self).create_vpnservice(context, vpnservice)
driver = self._get_driver_for_vpnservice(vpnservice)
driver.create_vpnservice(context, vpnservice)
return vpnservice
def update_vpnservice(self, context, vpnservice_id, vpnservice):
old_vpn_service = self.get_vpnservice(context, vpnservice_id)
new_vpn_service = super(
VPNDriverPlugin, self).update_vpnservice(context, vpnservice_id,
vpnservice)
driver = self._get_driver_for_vpnservice(old_vpn_service)
driver.update_vpnservice(context, old_vpn_service, new_vpn_service)
return new_vpn_service
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)