glance/glance/db/sqlalchemy/migrate_repo/versions/026_add_location_storage_in...

44 lines
1.5 KiB
Python

# Copyright 2013 OpenStack Foundation
# 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
from glance.db.sqlalchemy.migrate_repo import schema
def upgrade(migrate_engine):
meta = sqlalchemy.schema.MetaData()
meta.bind = migrate_engine
image_locations_table = sqlalchemy.Table('image_locations',
meta,
autoload=True)
meta_data = sqlalchemy.Column('meta_data',
schema.PickleType(),
default={})
meta_data.create(image_locations_table)
def downgrade(migrate_engine):
meta = sqlalchemy.schema.MetaData()
meta.bind = migrate_engine
image_locations_table = sqlalchemy.Table('image_locations',
meta,
autoload=True)
image_locations_table.columns['meta_data'].drop()