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# Copyright 2012 OpenStack LLC.
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# Licensed under the Apache License, Version 2.0 (the "License"); you may
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# not use this file except in compliance with the License. You may obtain
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# a copy of the License at
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# http://www.apache.org/licenses/LICENSE-2.0
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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# License for the specific language governing permissions and limitations
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from sqlalchemy import MetaData, Table
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def upgrade(migrate_engine):
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meta.bind = migrate_engine
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instances = Table('instances', meta, autoload=True)
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zone_name = instances.c.zone_name
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zone_name.alter(name='cell_name')
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zones = Table('zones', meta, autoload=True)
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def downgrade(migrate_engine):
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meta.bind = migrate_engine
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instances = Table('instances', meta, autoload=True)
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cell_name = instances.c.cell_name
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cell_name.alter(name='zone_name')
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cells = Table('cells', meta, autoload=True)