195 lines
7.4 KiB
Python
195 lines
7.4 KiB
Python
# Copyright 2013 OpenStack Foundation
|
|
#
|
|
# 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
|
|
from sqlalchemy.orm import sessionmaker
|
|
|
|
from keystone.common.sql import migration_helpers
|
|
|
|
|
|
def rename_with_constraints(meta, legacy_project_table_name,
|
|
new_project_table_name,
|
|
legacy_user_project_membership_table_name,
|
|
new_user_project_membership_table_name):
|
|
# Not all RDBMSs support renaming a table that has foreign key constraints
|
|
# on it, so drop FK constraints before renaming and then replace FKs
|
|
# afterwards.
|
|
|
|
credential_table = sql.Table('credential', meta, autoload=True)
|
|
group_project_meta_table = sql.Table('group_project_metadata', meta,
|
|
autoload=True)
|
|
project_table = sql.Table(legacy_project_table_name, meta, autoload=True)
|
|
user_project_membership_table = sql.Table(
|
|
legacy_user_project_membership_table_name, meta, autoload=True)
|
|
user_table = sql.Table('user', meta, autoload=True)
|
|
|
|
constraints = [{'table': credential_table,
|
|
'fk_column': 'project_id',
|
|
'ref_column': project_table.c.id},
|
|
{'table': group_project_meta_table,
|
|
'fk_column': 'project_id',
|
|
'ref_column': project_table.c.id},
|
|
{'table': user_project_membership_table,
|
|
'fk_column': 'tenant_id',
|
|
'ref_column': project_table.c.id},
|
|
{'table': user_project_membership_table,
|
|
'fk_column': 'user_id',
|
|
'ref_column': user_table.c.id}]
|
|
|
|
renames = {
|
|
new_project_table_name: project_table,
|
|
new_user_project_membership_table_name: user_project_membership_table}
|
|
|
|
migration_helpers.rename_tables_with_constraints(renames, constraints,
|
|
meta.bind)
|
|
|
|
|
|
def upgrade_with_rename(meta, migrate_engine):
|
|
legacy_project_table_name = 'tenant'
|
|
new_project_table_name = 'project'
|
|
legacy_user_project_membership_table_name = 'user_tenant_membership'
|
|
new_user_project_membership_table_name = 'user_project_membership'
|
|
rename_with_constraints(meta, legacy_project_table_name,
|
|
new_project_table_name,
|
|
legacy_user_project_membership_table_name,
|
|
new_user_project_membership_table_name)
|
|
|
|
|
|
def downgrade_with_rename(meta, migrate_engine):
|
|
legacy_project_table_name = 'project'
|
|
new_project_table_name = 'tenant'
|
|
legacy_user_project_membership_table_name = 'user_project_membership'
|
|
new_user_project_membership_table_name = 'user_tenant_membership'
|
|
rename_with_constraints(meta, legacy_project_table_name,
|
|
new_project_table_name,
|
|
legacy_user_project_membership_table_name,
|
|
new_user_project_membership_table_name)
|
|
|
|
|
|
def upgrade_with_copy(meta, migrate_engine):
|
|
sql.Table('user', meta, autoload=True)
|
|
project_table = sql.Table(
|
|
'project',
|
|
meta,
|
|
sql.Column('id', sql.String(64), primary_key=True),
|
|
sql.Column('name', sql.String(64), unique=True, nullable=False),
|
|
sql.Column('extra', sql.Text()),
|
|
sql.Column('description', sql.Text(), nullable=True),
|
|
sql.Column('enabled', sql.types.Boolean, default=True))
|
|
project_table.create(migrate_engine, checkfirst=True)
|
|
|
|
user_project_membership_table = sql.Table(
|
|
'user_project_membership',
|
|
meta,
|
|
sql.Column(
|
|
'user_id',
|
|
sql.String(64),
|
|
sql.ForeignKey('user.id'),
|
|
primary_key=True),
|
|
sql.Column(
|
|
'tenant_id',
|
|
sql.String(64),
|
|
sql.ForeignKey('project.id'),
|
|
primary_key=True))
|
|
user_project_membership_table.create(migrate_engine, checkfirst=True)
|
|
|
|
session = sessionmaker(bind=migrate_engine)()
|
|
|
|
tenant_table = sql.Table('tenant', meta, autoload=True)
|
|
insert = project_table.insert()
|
|
for tenant in session.query(tenant_table):
|
|
insert.execute({'id': tenant.id,
|
|
'name': tenant.name,
|
|
'extra': tenant.extra,
|
|
'description': tenant.description,
|
|
'enabled': tenant.enabled})
|
|
|
|
user_tenant_membership_table = sql.Table('user_tenant_membership',
|
|
meta,
|
|
autoload=True)
|
|
insert = user_project_membership_table.insert()
|
|
for user_id, tenant_id in session.query(user_tenant_membership_table):
|
|
insert.execute({'user_id': user_id, 'tenant_id': tenant_id})
|
|
|
|
session.commit()
|
|
session.close()
|
|
|
|
user_tenant_membership_table.drop()
|
|
tenant_table.drop()
|
|
|
|
|
|
def downgrade_with_copy(meta, migrate_engine):
|
|
sql.Table('user', meta, autoload=True)
|
|
tenant_table = sql.Table(
|
|
'tenant',
|
|
meta,
|
|
sql.Column('id', sql.String(64), primary_key=True),
|
|
sql.Column('name', sql.String(64), unique=True, nullable=False),
|
|
sql.Column('extra', sql.Text()),
|
|
sql.Column('description', sql.Text(), nullable=True),
|
|
sql.Column('enabled', sql.types.Boolean))
|
|
tenant_table.create(migrate_engine, checkfirst=True)
|
|
|
|
user_tenant_membership_table = sql.Table(
|
|
'user_tenant_membership',
|
|
meta,
|
|
sql.Column(
|
|
'user_id',
|
|
sql.String(64),
|
|
sql.ForeignKey('user.id'),
|
|
primary_key=True),
|
|
sql.Column(
|
|
'tenant_id',
|
|
sql.String(64),
|
|
sql.ForeignKey('tenant.id'),
|
|
primary_key=True))
|
|
user_tenant_membership_table.create(migrate_engine, checkfirst=True)
|
|
|
|
session = sessionmaker(bind=migrate_engine)()
|
|
|
|
project_table = sql.Table('project', meta, autoload=True)
|
|
insert = tenant_table.insert()
|
|
for project in session.query(project_table):
|
|
insert.values(project).execute()
|
|
project_table.drop()
|
|
|
|
user_project_membership_table = sql.Table('user_project_membership',
|
|
meta,
|
|
autoload=True)
|
|
insert = user_tenant_membership_table.insert()
|
|
for membership in session.query(user_project_membership_table):
|
|
insert.execute(membership)
|
|
user_project_membership_table.drop()
|
|
|
|
session.commit()
|
|
session.close()
|
|
|
|
|
|
def upgrade(migrate_engine):
|
|
meta = sql.MetaData()
|
|
meta.bind = migrate_engine
|
|
if migrate_engine.name == "sqlite":
|
|
upgrade_with_copy(meta, migrate_engine)
|
|
else:
|
|
upgrade_with_rename(meta, migrate_engine)
|
|
|
|
|
|
def downgrade(migrate_engine):
|
|
meta = sql.MetaData()
|
|
meta.bind = migrate_engine
|
|
if migrate_engine.name == "sqlite":
|
|
downgrade_with_copy(meta, migrate_engine)
|
|
else:
|
|
downgrade_with_rename(meta, migrate_engine)
|