group-based-policy/gbpservice/neutron/plugins/ml2/drivers/grouppolicy/stitching/driver.py

41 lines
1.7 KiB
Python

# 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.plugins.ml2.drivers.openvswitch.mech_driver import (
mech_openvswitch as base)
from neutron_lib.api.definitions import portbindings
from neutron_lib.plugins.ml2 import api
from gbpservice.neutron.services.servicechain.plugins.ncp import plumber_base
class TrafficStitchingMechanismGBPDriver(base.OpenvswitchMechanismDriver):
"""Traffic Stitching Mechanism Driver for GBP.
This driver makes sure that service targets are bound with port_filter and
hybrid_mode set to false. This should disable port security and anti
spoofing rules for these special ports.
"""
def try_to_bind_segment_for_agent(self, context, segment, agent):
vif_details = self.vif_details
if self.check_segment_for_agent(segment, agent):
if context.current['name'].startswith(
'pt_' + plumber_base.SERVICE_TARGET_NAME_PREFIX):
vif_details = {portbindings.CAP_PORT_FILTER: False,
portbindings.OVS_HYBRID_PLUG: False}
context.set_binding(
segment[api.ID], self.vif_type, vif_details)
return True
else:
return False