neutron/neutron/db/migration/alembic_migrations/versions/63afba73813_ovs_tunnelendpo...

65 lines
1.7 KiB
Python

# vim: tabstop=4 shiftwidth=4 softtabstop=4
#
# Copyright 2013 OpenStack Foundation
#
# 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.
#
"""Add unique constraint for id column of TunnelEndpoint
Revision ID: 63afba73813
Revises: 3c6e57a23db4
Create Date: 2013-04-30 13:53:31.717450
"""
# revision identifiers, used by Alembic.
revision = '63afba73813'
down_revision = '3c6e57a23db4'
# Change to ['*'] if this migration applies to all plugins
migration_for_plugins = [
'neutron.plugins.openvswitch.ovs_neutron_plugin.OVSNeutronPluginV2',
]
from alembic import op
from neutron.db import migration
CONSTRAINT_NAME = 'uniq_ovs_tunnel_endpoints0id'
TABLE_NAME = 'ovs_tunnel_endpoints'
def upgrade(active_plugins=None, options=None):
if not migration.should_run(active_plugins, migration_for_plugins):
return
op.create_unique_constraint(
name=CONSTRAINT_NAME,
source=TABLE_NAME,
local_cols=['id']
)
def downgrade(active_plugins=None, options=None):
if not migration.should_run(active_plugins, migration_for_plugins):
return
op.drop_constraint(
CONSTRAINT_NAME,
TABLE_NAME,
type_='unique'
)