72 lines
2.8 KiB
Python
72 lines
2.8 KiB
Python
# 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 migrate
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import sqlalchemy as sql
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_USER_TABLE_NAME = 'user'
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_USER_NAME_COLUMN_NAME = 'name'
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_USER_DOMAINID_COLUMN_NAME = 'domain_id'
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_USER_PASSWORD_COLUMN_NAME = 'password'
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def upgrade(migrate_engine):
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meta = sql.MetaData()
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meta.bind = migrate_engine
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user_table = sql.Table(_USER_TABLE_NAME, meta, autoload=True)
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# NOTE(gnuoy): the `domain_id` unique constraint is not guaranteed to
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# be a fixed name, such as 'ixu_user_name_domain_id`, so we need to
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# search for the correct constraint that only affects
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# user_table.c.domain_id and drop that constraint. (Fix based on
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# morganfainbergs fix in 088_domain_specific_roles.py)
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#
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# This is an idempotent change that reflects the fix to migration
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# 91 if the user name & domain_id unique constraint was not named
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# consistently and someone manually fixed the migrations / db
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# without dropping the old constraint.
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# This is a copy of migration 97 to catch any/all deployments that
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# are close to master. migration 97 will be backported to
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# stable/mitaka.
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to_drop = None
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if migrate_engine.name == 'mysql':
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for index in user_table.indexes:
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if (index.unique and len(index.columns) == 2 and
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_USER_DOMAINID_COLUMN_NAME in index.columns and
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_USER_NAME_COLUMN_NAME in index.columns):
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to_drop = index
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break
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else:
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for index in user_table.constraints:
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if (len(index.columns) == 2 and
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_USER_DOMAINID_COLUMN_NAME in index.columns and
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_USER_NAME_COLUMN_NAME in index.columns):
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to_drop = index
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break
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# remove domain_id and name unique constraint
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if to_drop is not None:
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migrate.UniqueConstraint(user_table.c.domain_id,
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user_table.c.name,
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name=to_drop.name).drop()
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# If migration 91 was aborted due to Bug #1572341 then columns may not
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# have been dropped.
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if _USER_DOMAINID_COLUMN_NAME in user_table.c:
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user_table.c.domain_id.drop()
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if _USER_NAME_COLUMN_NAME in user_table.c:
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user_table.c.name.drop()
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if _USER_PASSWORD_COLUMN_NAME in user_table.c:
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user_table.c.password.drop()
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