52 lines
2.0 KiB
Python
52 lines
2.0 KiB
Python
# Copyright 2014 IBM Corp.
|
|
#
|
|
# 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 sqlalchemy import Column
|
|
from sqlalchemy import MetaData, String, Table
|
|
|
|
from cinder.openstack.common import log as logging
|
|
|
|
LOG = logging.getLogger(__name__)
|
|
|
|
|
|
def upgrade(migrate_engine):
|
|
"""Add replication columns to volumes."""
|
|
meta = MetaData()
|
|
meta.bind = migrate_engine
|
|
|
|
volumes = Table('volumes', meta, autoload=True)
|
|
replication_status = Column('replication_status', String(255))
|
|
replication_extended_status = Column('replication_extended_status',
|
|
String(255))
|
|
replication_driver_data = Column('replication_driver_data', String(255))
|
|
volumes.create_column(replication_status)
|
|
volumes.create_column(replication_extended_status)
|
|
volumes.create_column(replication_driver_data)
|
|
volumes.update().values(replication_status='disabled',
|
|
replication_extended_status=None,
|
|
replication_driver_data=None).execute()
|
|
|
|
|
|
def downgrade(migrate_engine):
|
|
meta = MetaData()
|
|
meta.bind = migrate_engine
|
|
|
|
volumes = Table('volumes', meta, autoload=True)
|
|
replication_status = volumes.columns.replication_status
|
|
replication_extended_status = volumes.columns.replication_extended_status
|
|
replication_driver_data = volumes.columns.replication_driver_data
|
|
volumes.drop_column(replication_status)
|
|
volumes.drop_column(replication_extended_status)
|
|
volumes.drop_column(replication_driver_data)
|