ebdb3edd78
After commit I72421259deb9f28501b9d5ca4b9ccc43a8da7831 downgrade functions became unsupported and according to cross project spec[1] should be removed. [1] https://github.com/openstack/openstack-specs/blob/master/specs/no-downward-sql-migration.rst Implements bp no-downward-sql-migrations Change-Id: I2e8fda23650c24501e3ba33da2d2e16ca4bc70be
36 lines
1.3 KiB
Python
36 lines
1.3 KiB
Python
#
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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 upgrade(migrate_engine):
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meta = sqlalchemy.MetaData(bind=migrate_engine)
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stack = sqlalchemy.Table('stack', meta, autoload=True)
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backup = sqlalchemy.Column('backup', sqlalchemy.Boolean(), default=False)
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backup.create(stack)
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# Set backup flag for backup stacks, which are the only ones named "foo*"
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not_deleted = None
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stmt = sqlalchemy.select([stack.c.id,
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stack.c.name]
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).where(stack.c.deleted_at == not_deleted)
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stacks = migrate_engine.execute(stmt)
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for s in stacks:
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if s.name.endswith('*'):
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values = {'backup': True}
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update = stack.update().where(
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stack.c.id == s.id).values(values)
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migrate_engine.execute(update)
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