Sync latest oslo.db code
Common db code was updated in oslo. The most important thing is that engine instances don't stored anymore in oslo.db - ce69e7f. This patch moves methods `get_engine` and `get_session` to module `heat.db.sqalchemy.api`. Latest commit in oslo related to db module: 2fd457bf2ccbeb2b84ffb204778b6417cd5405ba Change-Id: Iaa2e9ba26e824c678c698914170e3dffbf1c5c95changes/39/76539/7
Andrey Kurilin
9 years ago
parent
155314d236
commit
cfcbc994d3
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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 copy
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from oslo.config import cfg
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database_opts = [
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cfg.StrOpt('sqlite_db',
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deprecated_group='DEFAULT',
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default='heat.sqlite',
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help='The file name to use with SQLite'),
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cfg.BoolOpt('sqlite_synchronous',
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deprecated_group='DEFAULT',
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default=True,
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help='If True, SQLite uses synchronous mode'),
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cfg.StrOpt('backend',
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default='sqlalchemy',
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deprecated_name='db_backend',
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deprecated_group='DEFAULT',
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help='The backend to use for db'),
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cfg.StrOpt('connection',
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help='The SQLAlchemy connection string used to connect to the '
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'database',
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secret=True,
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deprecated_opts=[cfg.DeprecatedOpt('sql_connection',
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group='DEFAULT'),
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cfg.DeprecatedOpt('sql_connection',
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group='DATABASE'),
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cfg.DeprecatedOpt('connection',
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group='sql'), ]),
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cfg.StrOpt('mysql_sql_mode',
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default='TRADITIONAL',
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help='The SQL mode to be used for MySQL sessions. '
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'This option, including the default, overrides any '
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'server-set SQL mode. To use whatever SQL mode '
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'is set by the server configuration, '
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'set this to no value. Example: mysql_sql_mode='),
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cfg.IntOpt('idle_timeout',
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default=3600,
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deprecated_opts=[cfg.DeprecatedOpt('sql_idle_timeout',
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group='DEFAULT'),
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cfg.DeprecatedOpt('sql_idle_timeout',
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group='DATABASE'),
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cfg.DeprecatedOpt('idle_timeout',
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group='sql')],
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help='Timeout before idle sql connections are reaped'),
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cfg.IntOpt('min_pool_size',
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default=1,
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deprecated_opts=[cfg.DeprecatedOpt('sql_min_pool_size',
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group='DEFAULT'),
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cfg.DeprecatedOpt('sql_min_pool_size',
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group='DATABASE')],
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help='Minimum number of SQL connections to keep open in a '
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'pool'),
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cfg.IntOpt('max_pool_size',
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default=None,
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deprecated_opts=[cfg.DeprecatedOpt('sql_max_pool_size',
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group='DEFAULT'),
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cfg.DeprecatedOpt('sql_max_pool_size',
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group='DATABASE')],
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help='Maximum number of SQL connections to keep open in a '
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'pool'),
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cfg.IntOpt('max_retries',
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default=10,
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deprecated_opts=[cfg.DeprecatedOpt('sql_max_retries',
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group='DEFAULT'),
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cfg.DeprecatedOpt('sql_max_retries',
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group='DATABASE')],
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help='Maximum db connection retries during startup. '
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'(setting -1 implies an infinite retry count)'),
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cfg.IntOpt('retry_interval',
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default=10,
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deprecated_opts=[cfg.DeprecatedOpt('sql_retry_interval',
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group='DEFAULT'),
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cfg.DeprecatedOpt('reconnect_interval',
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group='DATABASE')],
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help='Interval between retries of opening a sql connection'),
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cfg.IntOpt('max_overflow',
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default=None,
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deprecated_opts=[cfg.DeprecatedOpt('sql_max_overflow',
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group='DEFAULT'),
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cfg.DeprecatedOpt('sqlalchemy_max_overflow',
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group='DATABASE')],
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help='If set, use this value for max_overflow with sqlalchemy'),
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cfg.IntOpt('connection_debug',
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default=0,
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deprecated_opts=[cfg.DeprecatedOpt('sql_connection_debug',
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group='DEFAULT')],
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help='Verbosity of SQL debugging information. 0=None, '
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'100=Everything'),
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cfg.BoolOpt('connection_trace',
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default=False,
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deprecated_opts=[cfg.DeprecatedOpt('sql_connection_trace',
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group='DEFAULT')],
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help='Add python stack traces to SQL as comment strings'),
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cfg.IntOpt('pool_timeout',
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default=None,
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deprecated_opts=[cfg.DeprecatedOpt('sqlalchemy_pool_timeout',
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group='DATABASE')],
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help='If set, use this value for pool_timeout with sqlalchemy'),
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cfg.BoolOpt('use_db_reconnect',
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default=False,
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help='Enable the experimental use of database reconnect '
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'on connection lost'),
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cfg.IntOpt('db_retry_interval',
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default=1,
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help='seconds between db connection retries'),
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cfg.BoolOpt('db_inc_retry_interval',
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default=True,
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help='Whether to increase interval between db connection '
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'retries, up to db_max_retry_interval'),
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cfg.IntOpt('db_max_retry_interval',
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default=10,
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help='max seconds between db connection retries, if '
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'db_inc_retry_interval is enabled'),
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cfg.IntOpt('db_max_retries',
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default=20,
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help='maximum db connection retries before error is raised. '
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'(setting -1 implies an infinite retry count)'),
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]
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CONF = cfg.CONF
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CONF.register_opts(database_opts, 'database')
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def set_defaults(sql_connection, sqlite_db, max_pool_size=None,
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max_overflow=None, pool_timeout=None):
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"""Set defaults for configuration variables."""
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cfg.set_defaults(database_opts,
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connection=sql_connection,
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sqlite_db=sqlite_db)
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# Update the QueuePool defaults
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if max_pool_size is not None:
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cfg.set_defaults(database_opts,
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max_pool_size=max_pool_size)
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if max_overflow is not None:
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cfg.set_defaults(database_opts,
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max_overflow=max_overflow)
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if pool_timeout is not None:
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cfg.set_defaults(database_opts,
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pool_timeout=pool_timeout)
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def list_opts():
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"""Returns a list of oslo.config options available in the library.
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The returned list includes all oslo.config options which may be registered
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at runtime by the library.
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Each element of the list is a tuple. The first element is the name of the
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group under which the list of elements in the second element will be
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registered. A group name of None corresponds to the [DEFAULT] group in
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config files.
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The purpose of this is to allow tools like the Oslo sample config file
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generator to discover the options exposed to users by this library.
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:returns: a list of (group_name, opts) tuples
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"""
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return [('database', copy.deepcopy(database_opts))]
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