python-neutronclient/neutronclient/common/exceptions.py
Roman Podolyaka 499ed84bd7 Handle host side SSL certificates validation
- add --os-cacert option which allows to set a file containing
   certificates of root CAs (certificate authorities) that are
   required for validation of HTTPS servers SSL certificates

 - wrap httplib2 SSL certificates validation errors with a
   custom quantumclient exception

Blueprint: quantum-client-ssl

Change-Id: I4e6a7d177ba14314ba9bed613ec2684bffc35222
2013-07-23 16:15:19 +03:00

179 lines
4.7 KiB
Python

# vim: tabstop=4 shiftwidth=4 softtabstop=4
# Copyright 2011 Nicira Networks, Inc
# All Rights Reserved.
#
# 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
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# 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 neutronclient.common import _
"""
Neutron base exception handling.
"""
class NeutronException(Exception):
"""Base Neutron Exception
Taken from nova.exception.NovaException
To correctly use this class, inherit from it and define
a 'message' property. That message will get printf'd
with the keyword arguments provided to the constructor.
"""
message = _("An unknown exception occurred.")
def __init__(self, **kwargs):
try:
self._error_string = self.message % kwargs
except Exception:
# at least get the core message out if something happened
self._error_string = self.message
def __str__(self):
return self._error_string
class NotFound(NeutronException):
pass
class NeutronClientException(NeutronException):
def __init__(self, **kwargs):
message = kwargs.get('message')
self.status_code = kwargs.get('status_code', 0)
if message:
self.message = message
super(NeutronClientException, self).__init__(**kwargs)
# NOTE: on the client side, we use different exception types in order
# to allow client library users to handle server exceptions in try...except
# blocks. The actual error message is the one generated on the server side
class NetworkNotFoundClient(NeutronClientException):
pass
class PortNotFoundClient(NeutronClientException):
pass
class MalformedResponseBody(NeutronException):
message = _("Malformed response body: %(reason)s")
class StateInvalidClient(NeutronClientException):
pass
class NetworkInUseClient(NeutronClientException):
pass
class PortInUseClient(NeutronClientException):
pass
class AlreadyAttachedClient(NeutronClientException):
pass
class Unauthorized(NeutronClientException):
message = _("Unauthorized: bad credentials.")
class Forbidden(NeutronClientException):
message = _("Forbidden: your credentials don't give you access to this "
"resource.")
class EndpointNotFound(NeutronClientException):
"""Could not find Service or Region in Service Catalog."""
message = _("Could not find Service or Region in Service Catalog.")
class EndpointTypeNotFound(NeutronClientException):
"""Could not find endpoint type in Service Catalog."""
def __str__(self):
msg = "Could not find endpoint type %s in Service Catalog."
return msg % repr(self.message)
class AmbiguousEndpoints(NeutronClientException):
"""Found more than one matching endpoint in Service Catalog."""
def __str__(self):
return "AmbiguousEndpoints: %s" % repr(self.message)
class NeutronCLIError(NeutronClientException):
"""Exception raised when command line parsing fails."""
pass
class RequestURITooLong(NeutronClientException):
"""Raised when a request fails with HTTP error 414."""
def __init__(self, **kwargs):
self.excess = kwargs.get('excess', 0)
super(RequestURITooLong, self).__init__(**kwargs)
class ConnectionFailed(NeutronClientException):
message = _("Connection to neutron failed: %(reason)s")
class BadInputError(Exception):
"""Error resulting from a client sending bad input to a server."""
pass
class Error(Exception):
def __init__(self, message=None):
super(Error, self).__init__(message)
class MalformedRequestBody(NeutronException):
message = _("Malformed request body: %(reason)s")
class Invalid(Error):
pass
class InvalidContentType(Invalid):
message = _("Invalid content type %(content_type)s.")
class UnsupportedVersion(Exception):
"""Indicates that the user is trying to use an unsupported
version of the API
"""
pass
class CommandError(Exception):
pass
class NeutronClientNoUniqueMatch(NeutronClientException):
message = _("Multiple %(resource)s matches found for name '%(name)s',"
" use an ID to be more specific.")
class SslCertificateValidationError(NeutronClientException):
message = _("SSL certificate validation has failed: %(reason)s")