#    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 os_vif import plugin
from os_vif import objects

PLUGIN_NAME = 'ovs'


class OvsBridgePlugin(plugin.PluginBase):
    """An OVS VIF type that uses a standard Linux bridge for integration."""

    def get_supported_vifs(self):
        return set([objects.PluginVIFSupport(PLUGIN_NAME, '1.0', '1.0')])

    def plug(self, instance, vif):
        # Nothing required to plug an OVS port...
        pass

    def unplug(self, vif):
        # Nothing required to unplug an OVS port...
        pass
