distcloud/distributedcloud/dcmanager/db/sqlalchemy/migrate_repo/versions/015_add_subcloud_region_nam...

38 lines
1.3 KiB
Python

# Copyright (c) 2023 Wind River Systems, Inc.
# 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, MetaData, String, Table
def upgrade(migrate_engine):
meta = MetaData()
meta.bind = migrate_engine
subclouds = Table('subclouds', meta, autoload=True)
# Add the 'region_name' column to the subclouds table.
subclouds.create_column(Column('region_name',
String(255)))
# populates region_name with name field value for existing subclouds
if migrate_engine.name == 'postgresql':
with migrate_engine.begin() as conn:
conn.execute("UPDATE subclouds SET region_name = name")
return True
def downgrade(migrate_engine):
raise NotImplementedError('Database downgrade is unsupported.')