89274df2af
* Db list operation added for postgresql * User list operation added for postgresql * User create operation added for postgresql * User delete operation added for postgresql * Db create operation added for postgresql * Db delete operation added for postgresql * User grant access operation added for postgresql * User revoke access and update attributes operations added for postgresql * Common/db/models collate and character_set setter functions are updated. Depends-On: https://review.opendev.org/c/openstack/trove-tempest-plugin/+/930276 Change-Id: I4c000363dd046fc82f099de0a30c16b1f01d6d2c
127 lines
3.5 KiB
Python
127 lines
3.5 KiB
Python
# Copyright 2011 OpenStack Foundation
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# All Rights Reserved.
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#
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# 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 contextlib
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from oslo_db.sqlalchemy import enginefacade
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from oslo_log import log as logging
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from sqlalchemy import MetaData
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from trove.common import cfg
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from trove.common.i18n import _
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from trove.db.sqlalchemy import mappers
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_FACADE = None
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LOG = logging.getLogger(__name__)
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CONF = cfg.CONF
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def configure_db(models_mapper=None):
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facade = _create_facade()
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if models_mapper:
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models_mapper.map(facade)
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else:
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from trove.backup import models as backup_models
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from trove.cluster import models as cluster_models
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from trove.conductor import models as conductor_models
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from trove.configuration import models as configurations_models
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from trove.datastore import models as datastores_models
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from trove.dns import models as dns_models
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from trove.extensions.common import models as common_models
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from trove.extensions.security_group import models as secgrp_models
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from trove.guestagent import models as agent_models
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from trove.instance import models as base_models
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from trove.module import models as module_models
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from trove.quota import models as quota_models
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model_modules = [
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base_models,
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datastores_models,
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dns_models,
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common_models,
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agent_models,
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quota_models,
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backup_models,
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secgrp_models,
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configurations_models,
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conductor_models,
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cluster_models,
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module_models
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]
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models = {}
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for module in model_modules:
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models.update(module.persisted_models())
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mappers.map(get_engine(), models)
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def _create_facade():
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global _FACADE
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if _FACADE is None:
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ctx = enginefacade.transaction_context()
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_FACADE = ctx.writer
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return _FACADE
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def _check_facade():
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if _FACADE is None:
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LOG.exception("***The Database has not been setup!!!***")
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raise RuntimeError(
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_("***The Database has not been setup!!!***"))
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def get_facade():
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_check_facade()
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return _FACADE
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def get_engine():
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_create_facade()
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return _FACADE.get_engine()
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def get_session(**kwargs):
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facade = _create_facade()
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sessionmaker = facade.get_sessionmaker()
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return sessionmaker(**kwargs)
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def raw_query(model, **kwargs):
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return get_session(**kwargs).query(model)
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def clean_db():
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engine = get_engine()
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meta = MetaData()
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meta.bind = engine
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meta.reflect(bind=engine)
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with contextlib.closing(engine.connect()) as con:
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trans = con.begin()
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for table in reversed(meta.sorted_tables):
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if table.name != "migrate_version":
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con.execute(table.delete())
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trans.commit()
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def drop_db():
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_create_facade()
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engine = get_engine()
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meta = MetaData()
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meta.bind = engine
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meta.reflect()
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meta.drop_all()
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