glance/glance/common/exception.py
Kevin L. Mitchell bc7aeb4a0a Fix Keystone API skew issue with Glance client.
Fixes bug 878927 by applying Roman Sokolkov's patch.

Change-Id: I9877131c7df65a58e75e6be47f29e9b0a0c2705e
2011-11-02 16:33:04 +00:00

155 lines
4.8 KiB
Python

# vim: tabstop=4 shiftwidth=4 softtabstop=4
# Copyright 2010 United States Government as represented by the
# Administrator of the National Aeronautics and Space Administration.
# 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.
"""Glance exception subclasses"""
import urlparse
class RedirectException(Exception):
def __init__(self, url):
self.url = urlparse.urlparse(url)
class GlanceException(Exception):
"""
Base Glance Exception
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, *args, **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
if len(args) > 0:
# If there is a non-kwarg parameter, assume it's the error
# message or reason description and tack it on to the end
# of the exception message
# Convert all arguments into their string representations...
args = ["%s" % arg for arg in args]
self._error_string = (self._error_string +
"\nDetails: %s" % '\n'.join(args))
def __str__(self):
return self._error_string
class MissingArgumentError(GlanceException):
message = _("Missing required argument.")
class NotFound(GlanceException):
message = _("An object with the specified identifier was not found.")
class UnknownScheme(GlanceException):
message = _("Unknown scheme '%(scheme)s' found in URI")
class BadStoreUri(GlanceException):
message = _("The Store URI %(uri)s was malformed. Reason: %(reason)s")
class Duplicate(GlanceException):
message = _("An object with the same identifier already exists.")
class ImportFailure(GlanceException):
message = _("Failed to import requested object/class: '%(import_str)s'. "
"Reason: %(reason)s")
class AuthorizationFailure(GlanceException):
message = _("Authorization failed.")
class NotAuthorized(GlanceException):
message = _("You are not authorized to complete this action.")
class Invalid(GlanceException):
message = _("Data supplied was not valid.")
class AuthorizationRedirect(GlanceException):
message = _("Redirecting to %(uri)s for authorization.")
class DatabaseMigrationError(GlanceException):
message = _("There was an error migrating the database.")
class ClientConnectionError(GlanceException):
message = _("There was an error connecting to a server")
class MultipleChoices(GlanceException):
message = _("The request returned a 302 Multiple Choices. This generally "
"means that you have not included a version indicator in a "
"request URI.\n\nThe body of response returned:\n%(body)s")
class InvalidContentType(GlanceException):
message = _("Invalid content type %(content_type)s")
class BadRegistryConnectionConfiguration(GlanceException):
message = _("Registry was not configured correctly on API server. "
"Reason: %(reason)s")
class BadStoreConfiguration(GlanceException):
message = _("Store %(store_name)s could not be configured correctly. "
"Reason: %(reason)s")
class BadDriverConfiguration(GlanceException):
message = _("Driver %(driver_name)s could not be configured correctly. "
"Reason: %(reason)s")
class StoreDeleteNotSupported(GlanceException):
message = _("Deleting images from this store is not supported.")
class StoreAddDisabled(GlanceException):
message = _("Configuration for store failed. Adding images to this "
"store is disabled.")
class InvalidNotifierStrategy(GlanceException):
message = _("'%(strategy)s' is not an available notifier strategy.")
class MaxRedirectsExceeded(GlanceException):
message = _("Maximum redirects (%(redirects)s) was exceeded.")
class InvalidRedirect(GlanceException):
message = _("Received invalid HTTP redirect.")
class NoServiceEndpoint(GlanceException):
message = _("Response from Keystone does not contain a Glance endpoint.")