59 lines
2.0 KiB
Python
59 lines
2.0 KiB
Python
# Copyright 2013 OpenStack Foundation
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# All Rights Reserved.
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#
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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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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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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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# under the License.
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import sqlalchemy
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def get_images_table(meta):
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return sqlalchemy.Table('images', meta, autoload=True)
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def get_image_locations_table(meta):
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return sqlalchemy.Table('image_locations', meta, autoload=True)
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def upgrade(migrate_engine):
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meta = sqlalchemy.schema.MetaData(migrate_engine)
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images_table = get_images_table(meta)
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image_locations_table = get_image_locations_table(meta)
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image_records = images_table.select().execute().fetchall()
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for image in image_records:
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if image.location is not None:
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values = {
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'image_id': image.id,
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'value': image.location,
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'created_at': image.created_at,
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'updated_at': image.updated_at,
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'deleted': image.deleted,
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'deleted_at': image.deleted_at,
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}
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image_locations_table.insert(values=values).execute()
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def downgrade(migrate_engine):
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meta = sqlalchemy.schema.MetaData(migrate_engine)
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images_table = get_images_table(meta)
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image_locations_table = get_image_locations_table(meta)
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image_records = image_locations_table.select().execute().fetchall()
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for image_location in image_records:
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images_table.update(values={'location': image_location.value})\
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.where(images_table.c.id == image_location.image_id)\
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.execute()
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