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# vim: tabstop=4 shiftwidth=4 softtabstop=4
# Copyright 2012 OpenStack LLC
#
# 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 as sql
def upgrade(migrate_engine):
"""Create API-version specific endpoint tables."""
meta = sql.MetaData()
meta.bind = migrate_engine
legacy_table = sql.Table('endpoint', meta, autoload=True)
legacy_table.rename('endpoint_v2')
sql.Table('service', meta, autoload=True)
new_table = sql.Table(
'endpoint_v3',
meta,
sql.Column('id', sql.String(64), primary_key=True),
sql.Column('legacy_endpoint_id', sql.String(64)),
sql.Column('interface', sql.String(8), nullable=False),
sql.Column('region', sql.String(255)),
sql.Column('service_id',
sql.String(64),
sql.ForeignKey('service.id'),
nullable=False),
sql.Column('url', sql.Text(), nullable=False),
sql.Column('extra', sql.Text()))
new_table.create(migrate_engine, checkfirst=True)
def downgrade(migrate_engine):
"""Replace API-version specific endpoint tables with one based on v2."""
meta = sql.MetaData()
meta.bind = migrate_engine
new_table = sql.Table('endpoint_v3', meta, autoload=True)
new_table.drop()
legacy_table = sql.Table('endpoint_v2', meta, autoload=True)
legacy_table.rename('endpoint')
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