neutron/neutron/agent/linux/bridge_lib.py

45 lines
1.6 KiB
Python

# Copyright 2015 Intel Corporation.
# Copyright 2015 Isaku Yamahata <isaku.yamahata at intel com>
# <isaku.yamahata at gmail com>
# 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.agent.linux import ip_lib
from neutron.agent.linux import utils
class BridgeDevice(ip_lib.IPDevice):
def _brctl(self, cmd, log_fail_as_error=True):
cmd = ['brctl'] + cmd
if self.namespace:
cmd = ['ip', 'netns', 'exec', self.namespace] + cmd
return utils.execute(cmd, run_as_root=True,
log_fail_as_error=log_fail_as_error)
@classmethod
def addbr(cls, name, namespace=None):
bridge = cls(name, namespace)
bridge._brctl(['addbr', bridge.name])
return bridge
def delbr(self):
return self._brctl(['delbr', self.name])
def addif(self, interface):
return self._brctl(['addif', self.name, interface])
def delif(self, interface):
return self._brctl(['delif', self.name, interface])