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# Copyright 2012 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.
from sqlalchemy import ForeignKey
from sqlalchemy.schema import Column
from sqlalchemy.schema import MetaData
from sqlalchemy.schema import UniqueConstraint
from trove.db.sqlalchemy.migrate_repo.schema import Boolean
from trove.db.sqlalchemy.migrate_repo.schema import create_tables
from trove.db.sqlalchemy.migrate_repo.schema import String
from trove.db.sqlalchemy.migrate_repo.schema import Table
meta = MetaData()
datastores = Table(
'datastores',
meta,
Column('id', String(36), primary_key=True, nullable=False),
Column('name', String(255), unique=True),
Column('manager', String(255), nullable=False),
Column('default_version_id', String(36)),
)
datastore_versions = Table(
'datastore_versions',
meta,
Column('id', String(36), primary_key=True, nullable=False),
Column('datastore_id', String(36), ForeignKey('datastores.id')),
Column('name', String(255), unique=True),
Column('image_id', String(36), nullable=False),
Column('packages', String(511)),
Column('active', Boolean(), nullable=False),
UniqueConstraint('datastore_id', 'name', name='ds_versions')
)
def upgrade(migrate_engine):
meta.bind = migrate_engine
create_tables([datastores, datastore_versions])
instances = Table('instances', meta, autoload=True)
datastore_version_id = Column('datastore_version_id', String(36),
ForeignKey('datastore_versions.id'))
instances.create_column(datastore_version_id)
instances.drop_column('service_type')
# Table 'service_images' is deprecated since this version.
# Leave it for few releases.
# drop_tables([service_images])
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