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# Licensed under the Apache License, Version 2.0 (the "License"); you may
# not use this file except in compliance with the License. You may obtain
# a copy of the License at
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
# License for the specific language governing permissions and limitations
# under the License.
from keystoneauth1.exceptions import base
__all__ = ('ConnectionError',
class RetriableConnectionFailure(Exception):
"""A mixin class that implies you can retry the most recent request."""
class ConnectionError(base.ClientException):
message = "Cannot connect to API service."
class ConnectTimeout(ConnectionError, RetriableConnectionFailure):
message = "Timed out connecting to service."
class ConnectFailure(ConnectionError, RetriableConnectionFailure):
message = "Connection failure that may be retried."
class SSLError(ConnectionError):
message = "An SSL error occurred."
class UnknownConnectionError(ConnectionError):
"""An error was encountered but we don't know what it is."""
def __init__(self, msg, original):
super(UnknownConnectionError, self).__init__(msg)
self.original = original