cinder/cinder/db/sqlalchemy/migrate_repo/versions/009_add_snapshot_metadata_t...

48 lines
1.6 KiB
Python

# 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 Boolean, Column, DateTime
from sqlalchemy import Integer, MetaData, String, Table, ForeignKey
def upgrade(migrate_engine):
meta = MetaData()
meta.bind = migrate_engine
Table('snapshots', meta, autoload=True)
# New table
snapshot_metadata = Table(
'snapshot_metadata', meta,
Column('created_at', DateTime),
Column('updated_at', DateTime),
Column('deleted_at', DateTime),
Column('deleted', Boolean),
Column('id', Integer, primary_key=True, nullable=False),
Column('snapshot_id', String(length=36), ForeignKey('snapshots.id'),
nullable=False),
Column('key', String(length=255)),
Column('value', String(length=255)),
mysql_engine='InnoDB'
)
snapshot_metadata.create()
def downgrade(migrate_engine):
meta = MetaData()
meta.bind = migrate_engine
snapshot_metadata = Table('snapshot_metadata',
meta,
autoload=True)
snapshot_metadata.drop()