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Diffstat (limited to 'cyborg_enhancement/mitaka_version/cyborg/cyborg/db/migration.py')
-rw-r--r-- | cyborg_enhancement/mitaka_version/cyborg/cyborg/db/migration.py | 52 |
1 files changed, 52 insertions, 0 deletions
diff --git a/cyborg_enhancement/mitaka_version/cyborg/cyborg/db/migration.py b/cyborg_enhancement/mitaka_version/cyborg/cyborg/db/migration.py new file mode 100644 index 0000000..5c7f580 --- /dev/null +++ b/cyborg_enhancement/mitaka_version/cyborg/cyborg/db/migration.py @@ -0,0 +1,52 @@ +# Copyright 2017 Huawei Technologies Co.,LTD. +# All Rights Reserved. +# +# 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. + +"""Database setup and migration commands.""" + +from oslo_config import cfg +from stevedore import driver + + +_IMPL = None + + +def get_backend(): + global _IMPL + if not _IMPL: + cfg.CONF.import_opt('backend', 'oslo_db.options', group='database') + _IMPL = driver.DriverManager("cyborg.database.migration_backend", + cfg.CONF.database.backend).driver + return _IMPL + + +def upgrade(version=None): + """Migrate the database to `version` or the most recent version.""" + return get_backend().upgrade(version) + + +def version(): + return get_backend().version() + + +def stamp(version): + return get_backend().stamp(version) + + +def revision(message, autogenerate): + return get_backend().revision(message, autogenerate) + + +def create_schema(): + return get_backend().create_schema() |