vmware-nsx/neutron/plugins/nicira/dbexts/maclearning.py
Mark McClain 380b0e7db6 Rename Quantum to Neutron
This change renames everything to Neutron while providing backwards
compatible adjustments for Grizzly configuration files.

implements blueprint: remove-use-of-quantum

Change-Id: Ie7d07ba7c89857e13d4ddc8f0e9b68de020a3d19
2013-07-06 15:02:43 -04:00

74 lines
2.8 KiB
Python

# vim: tabstop=4 shiftwidth=4 softtabstop=4
#
# Copyright 2013 VMware, Inc. 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 sqlalchemy as sa
from sqlalchemy.orm import exc
from neutron.db import model_base
from neutron.openstack.common import log as logging
from neutron.plugins.nicira.extensions import maclearning as mac
LOG = logging.getLogger(__name__)
class MacLearningState(model_base.BASEV2):
port_id = sa.Column(sa.String(36),
sa.ForeignKey('ports.id', ondelete="CASCADE"),
primary_key=True)
mac_learning_enabled = sa.Column(sa.Boolean(), nullable=False)
class MacLearningDbMixin(object):
"""Mixin class for mac learning."""
def _make_mac_learning_state_dict(self, port, fields=None):
res = {'port_id': port['port_id'],
mac.MAC_LEARNING: port[mac.MAC_LEARNING]}
return self._fields(res, fields)
def _get_mac_learning_state(self, context, port_id):
try:
query = self._model_query(context, MacLearningState)
state = query.filter(MacLearningState.port_id == port_id).one()
except exc.NoResultFound:
return None
return state[mac.MAC_LEARNING]
def _extend_port_mac_learning_state(self, context, port):
state = self._get_mac_learning_state(context, port['id'])
if state:
port[mac.MAC_LEARNING] = state
def _update_mac_learning_state(self, context, port_id, enabled):
try:
query = self._model_query(context, MacLearningState)
state = query.filter(MacLearningState.port_id == port_id).one()
state.update({mac.MAC_LEARNING: enabled})
except exc.NoResultFound:
self._create_mac_learning_state(context,
{'id': port_id,
mac.MAC_LEARNING: enabled})
def _create_mac_learning_state(self, context, port):
with context.session.begin(subtransactions=True):
enabled = port[mac.MAC_LEARNING]
state = MacLearningState(port_id=port['id'],
mac_learning_enabled=enabled)
context.session.add(state)
return self._make_mac_learning_state_dict(state)