def _convert_exception(self, exc, *args, **kwargs):
"""This parses the protocol exceptions to the api interface exceptions.
This also logs the exception and increments the appropriate error counters.
Args:
exc: raw protocol exception.
*args: additional args from the raising site.
**kwargs: additional keyword args from the raising site.
Returns:
Api interface exceptions - dbexceptions with new args.
"""
new_args = exc.args + (str(self), ) + args
if kwargs:
new_args += tuple(sorted(kwargs.itervalues()))
new_exc = exc
if isinstance(exc, gorpc.TimeoutError):
new_exc = dbexceptions.TimeoutError(new_args)
elif isinstance(exc, vtgate_utils.VitessError):
new_exc = exc.convert_to_dbexception(new_args)
elif isinstance(exc, gorpc.ProgrammingError):
new_exc = dbexceptions.ProgrammingError(new_args)
elif isinstance(exc, gorpc.GoRpcError):
new_exc = dbexceptions.FatalError(new_args)
keyspace_name = kwargs.get('keyspace', None)
tablet_type = kwargs.get('tablet_type', None)
vtgate_utils.log_exception(new_exc,
keyspace=keyspace_name,
tablet_type=tablet_type)
return new_exc
def convert_exception(exc, *args):
new_args = exc.args + args
if isinstance(exc, gorpc.TimeoutError):
return dbexceptions.TimeoutError(new_args)
elif isinstance(exc, gorpc.AppError):
msg = str(exc[0]).lower()
if msg.startswith('retry'):
return dbexceptions.RetryError(new_args)
if msg.startswith('fatal'):
return dbexceptions.FatalError(new_args)
if msg.startswith('tx_pool_full'):
return dbexceptions.TxPoolFull(new_args)
match = _errno_pattern.search(msg)
if match:
mysql_errno = int(match.group(1))
if mysql_errno == 1062:
return dbexceptions.IntegrityError(new_args)
# TODO(sougou/liguo): remove this case once servers are deployed
elif mysql_errno == 1290 and 'read-only' in msg:
return dbexceptions.RetryError(new_args)
return dbexceptions.DatabaseError(new_args)
elif isinstance(exc, gorpc.ProgrammingError):
return dbexceptions.ProgrammingError(new_args)
elif isinstance(exc, gorpc.GoRpcError):
return dbexceptions.FatalError(new_args)
return exc
def _convert_exception(self, exc, *args, **kwargs):
"""This parses the protocol exceptions to the api interface exceptions.
This also logs the exception and increments the appropriate error counters.
Args:
exc: raw protocol exception.
*args: additional args from the raising site.
**kwargs: additional keyword args from the raising site.
Returns:
Api interface exceptions - dbexceptions with new args.
"""
kwargs_as_str = vtgate_utils.convert_exception_kwargs(kwargs)
exc.args += args
if kwargs_as_str:
exc.args += kwargs_as_str,
new_args = (type(exc).__name__,) + exc.args
if isinstance(exc, gorpc.TimeoutError):
new_exc = dbexceptions.TimeoutError(new_args)
elif isinstance(exc, vtgate_utils.VitessError):
new_exc = exc.convert_to_dbexception(new_args)
elif isinstance(exc, gorpc.ProgrammingError):
new_exc = dbexceptions.ProgrammingError(new_args)
elif isinstance(exc, gorpc.GoRpcError):
new_exc = dbexceptions.FatalError(new_args)
else:
new_exc = exc
vtgate_utils.log_exception(
new_exc,
keyspace=kwargs.get('keyspace'), tablet_type=kwargs.get('tablet_type'))
return new_exc
def convert_exception(exc, *args, **kwargs):
"""This parses the protocol exceptions to the api interface exceptions.
This also logs the exception and increments the appropriate error counters.
Args:
exc: raw protocol exception.
args: additional args from the raising site.
kwargs: additional keyword args from the raising site.
Returns:
Api interface exceptions - dbexceptions with new args.
"""
new_args = exc.args + args
if kwargs:
new_args += tuple(kwargs.itervalues())
new_exc = exc
if isinstance(exc, gorpc.TimeoutError):
new_exc = dbexceptions.TimeoutError(new_args)
elif isinstance(exc, gorpc.AppError):
new_exc = handle_app_error(new_args)
elif isinstance(exc, gorpc.ProgrammingError):
new_exc = dbexceptions.ProgrammingError(new_args)
elif isinstance(exc, gorpc.GoRpcError):
new_exc = dbexceptions.FatalError(new_args)
keyspace = kwargs.get("keyspace", None)
tablet_type = kwargs.get("tablet_type", None)
vtgate_utils.log_exception(new_exc,
keyspace=keyspace,
tablet_type=tablet_type)
return new_exc
def convert_exception(exc, *args):
new_args = exc.args + args
if isinstance(exc, gorpc.TimeoutError):
return dbexceptions.TimeoutError(new_args)
elif isinstance(exc, gorpc.AppError):
return handle_app_error(new_args)
elif isinstance(exc, gorpc.ProgrammingError):
return dbexceptions.ProgrammingError(new_args)
elif isinstance(exc, gorpc.GoRpcError):
return dbexceptions.FatalError(new_args)
return exc
def convert_exception(exc, *args):
new_args = exc.args + args
if isinstance(exc, gorpc.TimeoutError):
return dbexceptions.TimeoutError(new_args)
elif isinstance(exc, TabletError):
return exc.convert_to_dbexception(new_args)
elif isinstance(exc, gorpc.ProgrammingError):
return dbexceptions.ProgrammingError(new_args)
elif isinstance(exc, gorpc.GoRpcError):
return dbexceptions.FatalError(new_args)
return exc
def _convert_exception(exc, *args, **kwargs):
"""This parses the protocol exceptions to the api interface exceptions.
This also logs the exception and increments the appropriate error counters.
Args:
exc: raw protocol exception.
*args: additional args from the raising site.
**kwargs: additional keyword args from the raising site.
They will be converted into a single string, and added as an extra
arg to the exception.
Returns:
Api interface exceptions - dbexceptions with new args.
"""
kwargs_as_str = vtgate_utils.convert_exception_kwargs(kwargs)
exc.args += args
if kwargs_as_str:
exc.args += kwargs_as_str,
new_args = (type(exc).__name__, ) + exc.args
if isinstance(exc, vtgate_utils.VitessError):
new_exc = exc.convert_to_dbexception(new_args)
elif isinstance(exc, grpc.RpcError):
# Most RpcErrors should also implement Call so we can get details.
if isinstance(exc, grpc.Call):
code = exc.code()
details = exc.details()
if code == grpc.StatusCode.DEADLINE_EXCEEDED:
new_exc = dbexceptions.TimeoutError(new_args)
elif code == grpc.StatusCode.UNAVAILABLE:
if vtgate_utils.throttler_err_re.search(details):
return dbexceptions.ThrottledError(new_args)
else:
return dbexceptions.TransientError(new_args)
elif code == grpc.StatusCode.ALREADY_EXISTS:
new_exc = _prune_integrity_error(details, new_args)
elif code == grpc.StatusCode.FAILED_PRECONDITION:
return dbexceptions.QueryNotServed(details, new_args)
elif code == grpc.StatusCode.INVALID_ARGUMENT:
return dbexceptions.ProgrammingError(details, new_args)
else:
# Other RPC error that we don't specifically handle.
new_exc = dbexceptions.DatabaseError(new_args +
(code, details))
else:
# RPC error that doesn't provide code and details.
# Don't let gRPC-specific errors leak beyond this package.
new_exc = dbexceptions.DatabaseError(new_args + (exc, ))
else:
new_exc = exc
vtgate_utils.log_exception(new_exc,
keyspace=kwargs.get('keyspace'),
tablet_type=kwargs.get('tablet_type'))
return new_exc
def convert_exception(exc, *args):
"""Return an exception object expected by callers."""
new_args = exc.args + args
if isinstance(exc, gorpc.TimeoutError):
return dbexceptions.TimeoutError(new_args)
elif isinstance(exc, vtgate_utils.VitessError):
return exc.convert_to_dbexception(new_args)
elif isinstance(exc, gorpc.ProgrammingError):
return dbexceptions.ProgrammingError(new_args)
elif isinstance(exc, gorpc.GoRpcError):
return dbexceptions.FatalError(new_args)
return exc
def _convert_exception(exc, *args, **kwargs):
"""This parses the protocol exceptions to the api interface exceptions.
This also logs the exception and increments the appropriate error counters.
Args:
exc: raw protocol exception.
*args: additional args from the raising site.
**kwargs: additional keyword args from the raising site.
They will be converted into a single string, and added as an extra
arg to the exception.
Returns:
Api interface exceptions - dbexceptions with new args.
"""
kwargs_as_str = vtgate_utils.convert_exception_kwargs(kwargs)
exc.args += args
if kwargs_as_str:
exc.args += kwargs_as_str,
new_args = (type(exc).__name__,) + exc.args
if isinstance(exc, vtgate_utils.VitessError):
new_exc = exc.convert_to_dbexception(new_args)
elif isinstance(exc, face.ExpirationError):
# face.ExpirationError is returned by the gRPC library when
# a request times out. Note it is a subclass of face.AbortionError
# so we have to test for it before.
new_exc = dbexceptions.TimeoutError(new_args)
elif isinstance(exc, face.AbortionError):
# face.AbortionError is the toplevel error returned by gRPC for any
# RPC that finishes earlier than expected.
msg = exc.details
if exc.code == interfaces.StatusCode.UNAVAILABLE:
if _throttler_err_pattern.search(msg):
return dbexceptions.ThrottledError(new_args)
else:
return dbexceptions.TransientError(new_args)
elif exc.code == interfaces.StatusCode.ALREADY_EXISTS:
new_exc = _prune_integrity_error(msg, new_args)
elif exc.code == interfaces.StatusCode.FAILED_PRECONDITION:
return dbexceptions.QueryNotServed(msg, new_args)
else:
# Unhandled RPC application error
new_exc = dbexceptions.DatabaseError(new_args + (msg,))
else:
new_exc = exc
vtgate_utils.log_exception(
new_exc,
keyspace=kwargs.get('keyspace'), tablet_type=kwargs.get('tablet_type'))
return new_exc
def convert_exception(exc, *args):
new_args = exc.args + args
if isinstance(exc, gorpc.TimeoutError):
return dbexceptions.TimeoutError(new_args)
elif isinstance(exc, gorpc.AppError):
msg = str(exc[0]).lower()
match = _errno_pattern.search(msg)
if match:
mysql_errno = int(match.group(1))
return _errno_map.get(mysql_errno,
dbexceptions.DatabaseError)(new_args)
return dbexceptions.DatabaseError(new_args)
elif isinstance(exc, gorpc.ProgrammingError):
return dbexceptions.ProgrammingError(new_args)
elif isinstance(exc, gorpc.GoRpcError):
return dbexceptions.FatalError(new_args)
return exc
def convert_exception(exc, *args):
new_args = exc.args + args
vtdb_logger.get_logger().vtgatev2_exception(exc)
if isinstance(exc, gorpc.TimeoutError):
return dbexceptions.TimeoutError(new_args)
elif isinstance(exc, gorpc.AppError):
msg = str(exc[0]).lower()
match = _errno_pattern.search(msg)
if match:
mysql_errno = int(match.group(1))
if mysql_errno == 1062:
return dbexceptions.IntegrityError(new_args)
return dbexceptions.DatabaseError(new_args)
elif isinstance(exc, gorpc.ProgrammingError):
return dbexceptions.ProgrammingError(new_args)
elif isinstance(exc, gorpc.GoRpcError):
return dbexceptions.FatalError(new_args)
return exc
def convert_exception(exc, *args):
new_args = exc.args + args
if isinstance(exc, gorpc.TimeoutError):
return dbexceptions.TimeoutError(new_args)
elif isinstance(exc, gorpc.AppError):
msg = str(exc[0]).lower()
if msg.startswith('request_backlog'):
return dbexceptions.RequestBacklog(new_args)
match = _errno_pattern.search(msg)
if match:
mysql_errno = int(match.group(1))
if mysql_errno == 1062:
return dbexceptions.IntegrityError(new_args)
return dbexceptions.DatabaseError(new_args)
elif isinstance(exc, gorpc.ProgrammingError):
return dbexceptions.ProgrammingError(new_args)
elif isinstance(exc, gorpc.GoRpcError):
return dbexceptions.FatalError(new_args)
return exc
