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# Copyright (c) 2016 Ericsson India Global Service Pvt Ltd.
# 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.
import abc
import copy
from oslo_config import cfg
from oslo_log import log as logging
from oslo_utils import excutils
import six
from networking_l2gw.services.l2gateway.common import constants
from networking_l2gw.services.l2gateway import service_drivers
from networking_odl._i18n import _LE, _LI
from networking_odl.common import client as odl_client
cfg.CONF.import_group('ml2_odl', 'networking_odl.common.config')
LOG = logging.getLogger(__name__)
L2GATEWAYS = 'l2-gateways'
L2GATEWAY_CONNECTIONS = 'l2gateway-connections'
@six.add_metaclass(abc.ABCMeta)
class OpenDaylightL2gwDriver(service_drivers.L2gwDriver):
"""Opendaylight L2Gateway Service Driver
This code is the openstack driver for exciting the OpenDaylight L2GW
facility.
"""
def __init__(self, service_plugin, validator=None):
super(OpenDaylightL2gwDriver, self).__init__(service_plugin, validator)
self.service_plugin = service_plugin
self.client = odl_client.OpenDaylightRestClient.create_client()
LOG.info(_LI("ODL: Started OpenDaylight L2Gateway driver"))
@property
def service_type(self):
return constants.L2GW
def create_l2_gateway_postcommit(self, context, l2_gateway):
LOG.info(_LI("ODL: Create L2Gateway %(l2gateway)s"),
{'l2gateway': l2_gateway})
request = {'l2_gateway': l2_gateway}
try:
self.client.sendjson('post', L2GATEWAYS, request)
except Exception:
with excutils.save_and_reraise_exception():
LOG.exception(_LE("ODL: L2Gateway create"
" failed for gateway %(l2gatewayid)s"),
{'l2gatewayid': l2_gateway['id']})
def delete_l2_gateway_postcommit(self, context, l2_gateway_id):
LOG.info(_LI("ODL: Delete L2Gateway %(l2gatewayid)s"),
{'l2gatewayid': l2_gateway_id})
url = L2GATEWAYS + '/' + l2_gateway_id
try:
self.client.try_delete(url)
except Exception:
with excutils.save_and_reraise_exception():
LOG.exception(_LE("ODL: L2Gateway delete"
" failed for gateway_id %(l2gatewayid)s"),
{'l2gatewayid': l2_gateway_id})
def update_l2_gateway_postcommit(self, context, l2_gateway):
LOG.info(_LI("ODL: Update L2Gateway %(l2gateway)s"),
{'l2gateway': l2_gateway})
request = {'l2_gateway': l2_gateway}
url = L2GATEWAYS + '/' + l2_gateway['id']
try:
self.client.sendjson('put', url, request)
except Exception:
with excutils.save_and_reraise_exception():
LOG.exception(_LE("ODL: L2Gateway update"
" failed for gateway %(l2gatewayid)s"),
{'l2gatewayid': l2_gateway['id']})
def create_l2_gateway_connection_postcommit(self, context,
l2_gateway_connection):
LOG.info(_LI("ODL: Create L2Gateway connection %(l2gwconn)s"),
{'l2gwconn': l2_gateway_connection})
odl_l2_gateway_connection = copy.deepcopy(l2_gateway_connection)
odl_l2_gateway_connection['gateway_id'] = (
l2_gateway_connection['l2_gateway_id'])
odl_l2_gateway_connection.pop('l2_gateway_id')
request = {'l2gateway_connection': odl_l2_gateway_connection}
try:
self.client.sendjson('post', L2GATEWAY_CONNECTIONS, request)
except Exception:
with excutils.save_and_reraise_exception():
LOG.exception(_LE("ODL: L2Gateway connection create"
" failed for gateway %(l2gwconnid)s"),
{'l2gwconnid':
l2_gateway_connection['l2_gateway_id']})
def delete_l2_gateway_connection_postcommit(self, context,
l2_gateway_connection_id):
LOG.info(_LI("ODL: Delete L2Gateway connection %(l2gwconnid)s"),
{'l2gwconnid': l2_gateway_connection_id})
url = L2GATEWAY_CONNECTIONS + '/' + l2_gateway_connection_id
try:
self.client.try_delete(url)
except Exception:
with excutils.save_and_reraise_exception():
LOG.exception(_LE("ODL: L2Gateway connection delete"
" failed for connection %(l2gwconnid)s"),
{'l2gwconnid': l2_gateway_connection_id})
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