
Enable F821 and fix usage of undefined variables. Change-Id: I0d5104060410986df4b83a3e9e865365004d0313 Signed-off-by: Zhi Yan Liu <zhiyanl@cn.ibm.com>
216 lines
6.0 KiB
Python
216 lines
6.0 KiB
Python
# Copyright (c) 2014 Red Hat, Inc.
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
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# implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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"""Glance Store exception subclasses"""
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import six.moves.urllib.parse as urlparse
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from glance_store import i18n
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_ = i18n._
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class BackendException(Exception):
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pass
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class UnsupportedBackend(BackendException):
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pass
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class RedirectException(Exception):
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def __init__(self, url):
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self.url = urlparse.urlparse(url)
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class GlanceStoreException(Exception):
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"""
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Base Glance Store Exception
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To correctly use this class, inherit from it and define
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a 'message' property. That message will get printf'd
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with the keyword arguments provided to the constructor.
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"""
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message = ''
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def __init__(self, **kwargs):
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msg = kwargs.pop('message', None)
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self.msg = msg or self.message.format(**kwargs)
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super(Exception, self).__init__(msg)
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class MissingCredentialError(GlanceStoreException):
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message = _("Missing required credential: %(required)s")
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class BadAuthStrategy(GlanceStoreException):
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message = _("Incorrect auth strategy, expected \"%(expected)s\" but "
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"received \"%(received)s\"")
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class AuthorizationRedirect(GlanceStoreException):
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message = _("Redirecting to %(uri)s for authorization.")
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class NotFound(GlanceStoreException):
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message = _("Image %(image)s not found")
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class UnknownScheme(GlanceStoreException):
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message = _("Unknown scheme '%(scheme)s' found in URI")
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class BadStoreUri(GlanceStoreException):
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message = _("The Store URI was malformed: %(uri)")
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class Duplicate(GlanceStoreException):
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message = _("Image %(image)s already exists")
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class Conflict(GlanceStoreException):
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message = _("An object with the same identifier is currently being "
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"operated on.")
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class StorageFull(GlanceStoreException):
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message = _("There is not enough disk space on the image storage media.")
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class StorageQuotaFull(GlanceStoreException):
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message = _("The size of the data %(image_size)s will exceed the limit. "
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"%(remaining)s bytes remaining.")
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class StorageWriteDenied(GlanceStoreException):
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message = _("Permission to write image storage media denied.")
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class AuthBadRequest(GlanceStoreException):
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message = _("Connect error/bad request to Auth service at URL %(url)s.")
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class AuthUrlNotFound(GlanceStoreException):
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message = _("Auth service at URL %(url)s not found.")
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class AuthorizationFailure(GlanceStoreException):
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message = _("Authorization failed.")
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class NotAuthenticated(GlanceStoreException):
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message = _("You are not authenticated.")
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class Forbidden(GlanceStoreException):
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message = _("You are not authorized to complete this action.")
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class ForbiddenPublicImage(Forbidden):
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message = _("You are not authorized to complete this action.")
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class ProtectedImageDelete(Forbidden):
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message = _("Image %(image_id)s is protected and cannot be deleted.")
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class Invalid(GlanceStoreException):
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message = _("Data supplied was not valid.")
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class BadStoreConfiguration(GlanceStoreException):
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message = _("Store %(store_name)s could not be configured correctly. "
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"Reason: %(reason)s")
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class DriverLoadFailure(GlanceStoreException):
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message = _("Driver %(driver_name)s could not be loaded.")
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class BadDriverConfiguration(GlanceStoreException):
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message = _("Driver %(driver_name)s could not be configured correctly. "
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"Reason: %(reason)s")
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class StoreDeleteNotSupported(GlanceStoreException):
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message = _("Deleting images from this store is not supported.")
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class StoreGetNotSupported(GlanceStoreException):
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message = _("Getting images from this store is not supported.")
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class StoreAddNotSupported(GlanceStoreException):
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message = _("Adding images to this store is not supported.")
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class StoreAddDisabled(GlanceStoreException):
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message = _("Configuration for store failed. Adding images to this "
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"store is disabled.")
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class MaxRedirectsExceeded(GlanceStoreException):
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message = _("Maximum redirects (%(redirects)s) was exceeded.")
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class InvalidRedirect(GlanceStoreException):
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message = _("Received invalid HTTP redirect.")
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class NoServiceEndpoint(GlanceStoreException):
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message = _("Response from Keystone does not contain a Glance endpoint.")
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class RegionAmbiguity(GlanceStoreException):
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message = _("Multiple 'image' service matches for region %(region)s. This "
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"generally means that a region is required and you have not "
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"supplied one.")
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class WorkerCreationFailure(GlanceStoreException):
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message = _("Server worker creation failed: %(reason)s.")
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class SchemaLoadError(GlanceStoreException):
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message = _("Unable to load schema: %(reason)s")
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class InvalidObject(GlanceStoreException):
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message = _("Provided object does not match schema "
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"'%(schema)s': %(reason)s")
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class UnsupportedHeaderFeature(GlanceStoreException):
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message = _("Provided header feature is unsupported: %(feature)s")
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class InUseByStore(GlanceStoreException):
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message = _("The image cannot be deleted because it is in use through "
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"the backend store outside of Glance.")
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class ImageDataNotFound(NotFound):
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message = _("No image data could be found")
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class InvalidParameterValue(Invalid):
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message = _("Invalid value '%(value)s' for parameter '%(param)s': "
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"%(extra_msg)s")
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class InvalidImageStatusTransition(Invalid):
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message = _("Image status transition from %(cur_status)s to"
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" %(new_status)s is not allowed")
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