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author | WuKong <rebirthmonkey@gmail.com> | 2015-06-30 18:47:29 +0200 |
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committer | WuKong <rebirthmonkey@gmail.com> | 2015-06-30 18:47:29 +0200 |
commit | b8c756ecdd7cced1db4300935484e8c83701c82e (patch) | |
tree | 87e51107d82b217ede145de9d9d59e2100725bd7 /keystone-moon/keystone/common/sql/migrate_repo/versions/061_add_parent_project.py | |
parent | c304c773bae68fb854ed9eab8fb35c4ef17cf136 (diff) |
migrate moon code from github to opnfv
Change-Id: Ice53e368fd1114d56a75271aa9f2e598e3eba604
Signed-off-by: WuKong <rebirthmonkey@gmail.com>
Diffstat (limited to 'keystone-moon/keystone/common/sql/migrate_repo/versions/061_add_parent_project.py')
-rw-r--r-- | keystone-moon/keystone/common/sql/migrate_repo/versions/061_add_parent_project.py | 54 |
1 files changed, 54 insertions, 0 deletions
diff --git a/keystone-moon/keystone/common/sql/migrate_repo/versions/061_add_parent_project.py b/keystone-moon/keystone/common/sql/migrate_repo/versions/061_add_parent_project.py new file mode 100644 index 00000000..bb8ef9f6 --- /dev/null +++ b/keystone-moon/keystone/common/sql/migrate_repo/versions/061_add_parent_project.py @@ -0,0 +1,54 @@ +# 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 keystone.common.sql import migration_helpers + +_PROJECT_TABLE_NAME = 'project' +_PARENT_ID_COLUMN_NAME = 'parent_id' + + +def list_constraints(project_table): + constraints = [{'table': project_table, + 'fk_column': _PARENT_ID_COLUMN_NAME, + 'ref_column': project_table.c.id}] + + return constraints + + +def upgrade(migrate_engine): + meta = sql.MetaData() + meta.bind = migrate_engine + + project_table = sql.Table(_PROJECT_TABLE_NAME, meta, autoload=True) + parent_id = sql.Column(_PARENT_ID_COLUMN_NAME, sql.String(64), + nullable=True) + project_table.create_column(parent_id) + + if migrate_engine.name == 'sqlite': + return + migration_helpers.add_constraints(list_constraints(project_table)) + + +def downgrade(migrate_engine): + meta = sql.MetaData() + meta.bind = migrate_engine + + project_table = sql.Table(_PROJECT_TABLE_NAME, meta, autoload=True) + + # SQLite does not support constraints, and querying the constraints + # raises an exception + if migrate_engine.name != 'sqlite': + migration_helpers.remove_constraints(list_constraints(project_table)) + + project_table.drop_column(_PARENT_ID_COLUMN_NAME) |