As downgrade are not supported after Kilo, we should remove them now.
Roll backs can be performed as mentioned in the below link:
http://docs.openstack.org/ops-guide/ops-upgrades.html#rolling-back-a-failed-upgrade
The DB downgrades were deprecated in Glance Mitaka release by commit
e3366afdfb.
Change-Id: I937d15d93f16a3e44a50e6ff1a469098eab67c79
Implements: blueprint remove-db-downgrade
29 lines
932 B
Python
29 lines
932 B
Python
# Copyright 2013 Rackspace Hosting
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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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from sqlalchemy import MetaData, Table, Index
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INDEX_NAME = 'checksum_image_idx'
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def upgrade(migrate_engine):
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meta = MetaData()
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meta.bind = migrate_engine
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images = Table('images', meta, autoload=True)
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index = Index(INDEX_NAME, images.c.checksum)
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index.create(migrate_engine)
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