64 lines
1.7 KiB
Python
64 lines
1.7 KiB
Python
# 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 to members
|
|
|
|
Revision ID: e197124d4b9
|
|
Revises: havana
|
|
Create Date: 2013-11-17 10:09:37.728903
|
|
|
|
"""
|
|
|
|
# revision identifiers, used by Alembic.
|
|
revision = 'e197124d4b9'
|
|
down_revision = 'havana'
|
|
|
|
# Change to ['*'] if this migration applies to all plugins
|
|
|
|
migration_for_plugins = [
|
|
'neutron.services.loadbalancer.plugin.LoadBalancerPlugin',
|
|
'neutron.plugins.nicira.NeutronServicePlugin.NvpAdvancedPlugin',
|
|
]
|
|
|
|
from alembic import op
|
|
|
|
from neutron.db import migration
|
|
|
|
|
|
CONSTRAINT_NAME = 'uniq_member0pool_id0address0port'
|
|
TABLE_NAME = 'members'
|
|
|
|
|
|
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=['pool_id', 'address', 'protocol_port']
|
|
)
|
|
|
|
|
|
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'
|
|
)
|