def _create_engine(self):
# NOTE(harlowja): copy the internal one so that we don't modify it via
# all the popping that will happen below.
conf = copy.deepcopy(self._conf)
engine_args = {
"echo": misc.as_bool(conf.pop("echo", False)),
"convert_unicode": misc.as_bool(conf.pop("convert_unicode", True)),
"pool_recycle": 3600,
}
try:
idle_timeout = misc.as_int(conf.pop("idle_timeout", None))
engine_args["pool_recycle"] = idle_timeout
except TypeError:
pass
sql_connection = conf.pop("connection")
e_url = sa.engine.url.make_url(sql_connection)
if "sqlite" in e_url.drivername:
engine_args["poolclass"] = sa_pool.NullPool
# Adjustments for in-memory sqlite usage
if sql_connection.lower().strip() in SQLITE_IN_MEMORY:
engine_args["poolclass"] = sa_pool.StaticPool
engine_args["connect_args"] = {"check_same_thread": False}
else:
for (k, lookup_key) in [
("pool_size", "max_pool_size"),
("max_overflow", "max_overflow"),
("pool_timeout", "pool_timeout"),
]:
try:
engine_args[k] = misc.as_int(conf.pop(lookup_key, None))
except TypeError:
pass
# If the configuration dict specifies any additional engine args
# or engine arg overrides make sure we merge them in.
engine_args.update(conf.pop("engine_args", {}))
engine = sa.create_engine(sql_connection, **engine_args)
if misc.as_bool(conf.pop("checkin_yield", True)):
sa.event.listen(engine, "checkin", _thread_yield)
if "mysql" in e_url.drivername:
if misc.as_bool(conf.pop("checkout_ping", True)):
sa.event.listen(engine, "checkout", _ping_listener)
try:
max_retries = misc.as_int(conf.pop("max_retries", None))
except TypeError:
max_retries = 0
return self._test_connected(engine, max_retries=max_retries)
def _create_engine(self):
# NOTE(harlowja): copy the internal one so that we don't modify it via
# all the popping that will happen below.
conf = copy.deepcopy(self._conf)
engine_args = {
'echo': misc.as_bool(conf.pop('echo', False)),
'convert_unicode': misc.as_bool(conf.pop('convert_unicode', True)),
'pool_recycle': 3600,
}
try:
idle_timeout = misc.as_int(conf.pop('idle_timeout', None))
engine_args['pool_recycle'] = idle_timeout
except TypeError:
pass
sql_connection = conf.pop('connection')
e_url = sa.engine.url.make_url(sql_connection)
if 'sqlite' in e_url.drivername:
engine_args["poolclass"] = sa_pool.NullPool
# Adjustments for in-memory sqlite usage
if sql_connection.lower().strip() in SQLITE_IN_MEMORY:
engine_args["poolclass"] = sa_pool.StaticPool
engine_args["connect_args"] = {'check_same_thread': False}
else:
for (k, lookup_key) in [('pool_size', 'max_pool_size'),
('max_overflow', 'max_overflow'),
('pool_timeout', 'pool_timeout')]:
try:
engine_args[k] = misc.as_int(conf.pop(lookup_key, None))
except TypeError:
pass
# If the configuration dict specifies any additional engine args
# or engine arg overrides make sure we merge them in.
engine_args.update(conf.pop('engine_args', {}))
engine = sa.create_engine(sql_connection, **engine_args)
checkin_yield = conf.pop('checkin_yield',
eventlet_utils.EVENTLET_AVAILABLE)
if misc.as_bool(checkin_yield):
sa.event.listen(engine, 'checkin', _thread_yield)
if 'mysql' in e_url.drivername:
if misc.as_bool(conf.pop('checkout_ping', True)):
sa.event.listen(engine, 'checkout', _ping_listener)
try:
max_retries = misc.as_int(conf.pop('max_retries', None))
except TypeError:
max_retries = 0
return self._test_connected(engine, max_retries=max_retries)
def get_connection(self):
conn = Connection(self, self._get_session_maker())
if not self._validated:
try:
max_retries = misc.as_int(self._conf.get('max_retries', None))
except TypeError:
max_retries = 0
conn.validate(max_retries=max_retries)
self._validated = True
return conn
def get_connection(self):
conn = Connection(self)
if not self._validated:
try:
max_retries = misc.as_int(self._conf.get("max_retries", None))
except TypeError:
max_retries = 0
conn.validate(max_retries=max_retries)
self._validated = True
return conn
def __init__(self, conf, engine=None):
super(SQLAlchemyBackend, self).__init__(conf)
if engine is not None:
self._engine = engine
self._owns_engine = False
else:
self._engine = self._create_engine(self._conf)
self._owns_engine = True
self._validated = False
try:
self._max_retries = misc.as_int(self._conf.get('max_retries'))
except TypeError:
self._max_retries = 0
def execute(self, request):
return {
'user': request.user,
'user_id': misc.as_int(request.id),
'request_id': uuidutils.generate_uuid(),
}
def _create_engine(self):
# NOTE(harlowja): copy the internal one so that we don't modify it via
# all the popping that will happen below.
conf = copy.deepcopy(self._conf)
engine_args = {
'echo': misc.as_bool(conf.pop('echo', False)),
'convert_unicode': misc.as_bool(conf.pop('convert_unicode', True)),
'pool_recycle': 3600,
}
if 'idle_timeout' in conf:
idle_timeout = misc.as_int(conf.pop('idle_timeout'))
engine_args['pool_recycle'] = idle_timeout
sql_connection = conf.pop('connection')
e_url = sa.engine.url.make_url(sql_connection)
if 'sqlite' in e_url.drivername:
engine_args["poolclass"] = sa_pool.NullPool
# Adjustments for in-memory sqlite usage.
if sql_connection.lower().strip() in SQLITE_IN_MEMORY:
engine_args["poolclass"] = sa_pool.StaticPool
engine_args["connect_args"] = {'check_same_thread': False}
else:
for (k, lookup_key) in [('pool_size', 'max_pool_size'),
('max_overflow', 'max_overflow'),
('pool_timeout', 'pool_timeout')]:
if lookup_key in conf:
engine_args[k] = misc.as_int(conf.pop(lookup_key))
if 'isolation_level' not in conf:
# Check driver name exact matches first, then try driver name
# partial matches...
txn_isolation_levels = conf.pop('isolation_levels',
DEFAULT_TXN_ISOLATION_LEVELS)
level_applied = False
for (driver, level) in six.iteritems(txn_isolation_levels):
if driver == e_url.drivername:
engine_args['isolation_level'] = level
level_applied = True
break
if not level_applied:
for (driver, level) in six.iteritems(txn_isolation_levels):
if e_url.drivername.find(driver) != -1:
engine_args['isolation_level'] = level
break
else:
engine_args['isolation_level'] = conf.pop('isolation_level')
# If the configuration dict specifies any additional engine args
# or engine arg overrides make sure we merge them in.
engine_args.update(conf.pop('engine_args', {}))
engine = sa.create_engine(sql_connection, **engine_args)
checkin_yield = conf.pop('checkin_yield',
eventlet_utils.EVENTLET_AVAILABLE)
if misc.as_bool(checkin_yield):
sa.event.listen(engine, 'checkin', _thread_yield)
if 'mysql' in e_url.drivername:
if misc.as_bool(conf.pop('checkout_ping', True)):
sa.event.listen(engine, 'checkout', _ping_listener)
mode = None
if misc.as_bool(conf.pop('mysql_traditional_mode', True)):
mode = 'TRADITIONAL'
if 'mysql_sql_mode' in conf:
mode = conf.pop('mysql_sql_mode')
if mode is not None:
sa.event.listen(engine, 'connect',
functools.partial(_set_sql_mode, mode))
return engine
def _create_engine(conf):
# NOTE(harlowja): copy the internal one so that we don't modify it via
# all the popping that will happen below.
conf = copy.deepcopy(conf)
engine_args = {
'echo': _as_bool(conf.pop('echo', False)),
'convert_unicode': _as_bool(conf.pop('convert_unicode', True)),
'pool_recycle': 3600,
}
if 'idle_timeout' in conf:
idle_timeout = misc.as_int(conf.pop('idle_timeout'))
engine_args['pool_recycle'] = idle_timeout
sql_connection = conf.pop('connection')
e_url = sa.engine.url.make_url(sql_connection)
if 'sqlite' in e_url.drivername:
engine_args["poolclass"] = sa_pool.NullPool
# Adjustments for in-memory sqlite usage.
if sql_connection.lower().strip() in SQLITE_IN_MEMORY:
engine_args["poolclass"] = sa_pool.StaticPool
engine_args["connect_args"] = {'check_same_thread': False}
else:
for (k, lookup_key) in [('pool_size', 'max_pool_size'),
('max_overflow', 'max_overflow'),
('pool_timeout', 'pool_timeout')]:
if lookup_key in conf:
engine_args[k] = misc.as_int(conf.pop(lookup_key))
if 'isolation_level' not in conf:
# Check driver name exact matches first, then try driver name
# partial matches...
txn_isolation_levels = conf.pop('isolation_levels',
DEFAULT_TXN_ISOLATION_LEVELS)
level_applied = False
for (driver, level) in six.iteritems(txn_isolation_levels):
if driver == e_url.drivername:
engine_args['isolation_level'] = level
level_applied = True
break
if not level_applied:
for (driver, level) in six.iteritems(txn_isolation_levels):
if e_url.drivername.find(driver) != -1:
engine_args['isolation_level'] = level
break
else:
engine_args['isolation_level'] = conf.pop('isolation_level')
# If the configuration dict specifies any additional engine args
# or engine arg overrides make sure we merge them in.
engine_args.update(conf.pop('engine_args', {}))
engine = sa.create_engine(sql_connection, **engine_args)
log_statements = conf.pop('log_statements', False)
if _as_bool(log_statements):
log_statements_level = conf.pop("log_statements_level",
logging.TRACE)
sa.event.listen(
engine, "before_cursor_execute",
functools.partial(_log_statements, log_statements_level))
checkin_yield = conf.pop('checkin_yield',
eventlet_utils.EVENTLET_AVAILABLE)
if _as_bool(checkin_yield):
sa.event.listen(engine, 'checkin', _thread_yield)
if 'mysql' in e_url.drivername:
if _as_bool(conf.pop('checkout_ping', True)):
sa.event.listen(engine, 'checkout', _ping_listener)
mode = None
if 'mysql_sql_mode' in conf:
mode = conf.pop('mysql_sql_mode')
if mode is not None:
sa.event.listen(engine, 'connect',
functools.partial(_set_sql_mode, mode))
return engine
def execute(self, request):
return {
'user': request.user,
'user_id': misc.as_int(request.id),
'request_id': uuidutils.generate_uuid(),
}
def _create_engine(conf):
# NOTE(harlowja): copy the internal one so that we don't modify it via
# all the popping that will happen below.
conf = copy.deepcopy(conf)
engine_args = {
"echo": _as_bool(conf.pop("echo", False)),
"convert_unicode": _as_bool(conf.pop("convert_unicode", True)),
"pool_recycle": 3600,
}
if "idle_timeout" in conf:
idle_timeout = misc.as_int(conf.pop("idle_timeout"))
engine_args["pool_recycle"] = idle_timeout
sql_connection = conf.pop("connection")
e_url = sa.engine.url.make_url(sql_connection)
if "sqlite" in e_url.drivername:
engine_args["poolclass"] = sa_pool.NullPool
# Adjustments for in-memory sqlite usage.
if sql_connection.lower().strip() in SQLITE_IN_MEMORY:
engine_args["poolclass"] = sa_pool.StaticPool
engine_args["connect_args"] = {"check_same_thread": False}
else:
for (k, lookup_key) in [
("pool_size", "max_pool_size"),
("max_overflow", "max_overflow"),
("pool_timeout", "pool_timeout"),
]:
if lookup_key in conf:
engine_args[k] = misc.as_int(conf.pop(lookup_key))
if "isolation_level" not in conf:
# Check driver name exact matches first, then try driver name
# partial matches...
txn_isolation_levels = conf.pop("isolation_levels", DEFAULT_TXN_ISOLATION_LEVELS)
level_applied = False
for (driver, level) in six.iteritems(txn_isolation_levels):
if driver == e_url.drivername:
engine_args["isolation_level"] = level
level_applied = True
break
if not level_applied:
for (driver, level) in six.iteritems(txn_isolation_levels):
if e_url.drivername.find(driver) != -1:
engine_args["isolation_level"] = level
break
else:
engine_args["isolation_level"] = conf.pop("isolation_level")
# If the configuration dict specifies any additional engine args
# or engine arg overrides make sure we merge them in.
engine_args.update(conf.pop("engine_args", {}))
engine = sa.create_engine(sql_connection, **engine_args)
log_statements = conf.pop("log_statements", False)
if _as_bool(log_statements):
log_statements_level = conf.pop("log_statements_level", logging.BLATHER)
sa.event.listen(engine, "before_cursor_execute", functools.partial(_log_statements, log_statements_level))
checkin_yield = conf.pop("checkin_yield", eventlet_utils.EVENTLET_AVAILABLE)
if _as_bool(checkin_yield):
sa.event.listen(engine, "checkin", _thread_yield)
if "mysql" in e_url.drivername:
if _as_bool(conf.pop("checkout_ping", True)):
sa.event.listen(engine, "checkout", _ping_listener)
mode = None
if "mysql_sql_mode" in conf:
mode = conf.pop("mysql_sql_mode")
if mode is not None:
sa.event.listen(engine, "connect", functools.partial(_set_sql_mode, mode))
return engine