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  • Committer: jiasirui
  • Date: 2021-05-11 06:40:14 UTC
  • Revision ID: git-v1:4f7515ed2e0664102fbd4197473a917b591144ce
delete mysql storage and use config file store data

Change-Id: I0785cf2c7c0d828d653bd6f20f3e804275014f99

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venus/db/common.py
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# Copyright 2020 Inspur
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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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"""Implementation of SQLAlchemy backend."""
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import osprofiler.sqlalchemy
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import sqlalchemy
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import threading
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from oslo_db.sqlalchemy import session as db_session
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from venus.conf import CONF
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_LOCK = threading.Lock()
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_FACADE = None
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def _create_facade_lazily():
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    global _LOCK
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    with _LOCK:
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        global _FACADE
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        if _FACADE is None:
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            _FACADE = db_session.EngineFacade(
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                CONF.database.connection,
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                **dict(CONF.database)
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            )
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            if CONF.profiler.profiler_enabled:
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                if CONF.profiler.trace_sqlalchemy:
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                    osprofiler.sqlalchemy.add_tracing(sqlalchemy,
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                                                      _FACADE.get_engine(),
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                                                      "db")
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        return _FACADE