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# Licensed under the Apache License, Version 2.0 (the "License"); you may
# not use this file except in compliance with the License. You may obtain
# a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
# License for the specific language governing permissions and limitations
# under the License.
import sqlalchemy as sql
_PROJECT_TABLE_NAME = 'project'
_DOMAIN_TABLE_NAME = 'domain'
NULL_DOMAIN_ID = '<<keystone.domain.root>>'
def upgrade(migrate_engine):
def _generate_root_domain_project():
# Generate a project that will act as a root for all domains, in order
# for use to be able to use a FK constraint on domain_id. Projects
# acting as a domain will not reference this as their parent_id, just
# as domain_id.
#
# This special project is filtered out by the driver, so is never
# visible to the manager or API.
project_ref = {
'id': NULL_DOMAIN_ID,
'name': NULL_DOMAIN_ID,
'enabled': False,
'description': '',
'domain_id': NULL_DOMAIN_ID,
'is_domain': True,
'parent_id': None,
'extra': '{}'
}
return project_ref
def _generate_root_domain():
# Generate a similar root for the domain table, this is an interim
# step so as to allow continuation of current project domain_id FK.
#
# This special domain is filtered out by the driver, so is never
# visible to the manager or API.
domain_ref = {
'id': NULL_DOMAIN_ID,
'name': NULL_DOMAIN_ID,
'enabled': False,
'extra': '{}'
}
return domain_ref
meta = sql.MetaData()
meta.bind = migrate_engine
session = sql.orm.sessionmaker(bind=migrate_engine)()
project_table = sql.Table(_PROJECT_TABLE_NAME, meta, autoload=True)
domain_table = sql.Table(_DOMAIN_TABLE_NAME, meta, autoload=True)
root_domain = _generate_root_domain()
new_entry = domain_table.insert().values(**root_domain)
session.execute(new_entry)
session.commit()
root_domain_project = _generate_root_domain_project()
new_entry = project_table.insert().values(**root_domain_project)
session.execute(new_entry)
session.commit()
session.close()
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