302 lines
8.9 KiB
Python
302 lines
8.9 KiB
Python
# Copyright (c) 2013-2014 Rackspace, 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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"""
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Barbican exception subclasses
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"""
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import urlparse
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from barbican.openstack.common.gettextutils import _
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_FATAL_EXCEPTION_FORMAT_ERRORS = False
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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 BarbicanException(Exception):
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"""
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Base Barbican 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 = _("An unknown exception occurred")
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def __init__(self, message=None, *args, **kwargs):
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if not message:
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message = self.message
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try:
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message = message % kwargs
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except Exception as e:
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if _FATAL_EXCEPTION_FORMAT_ERRORS:
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raise e
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else:
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# at least get the core message out if something happened
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pass
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super(BarbicanException, self).__init__(message)
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class MissingArgumentError(BarbicanException):
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message = _("Missing required argument.")
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class MissingCredentialError(BarbicanException):
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message = _("Missing required credential: %(required)s")
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class BadAuthStrategy(BarbicanException):
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message = _("Incorrect auth strategy, expected \"%(expected)s\" but "
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"received \"%(received)s\"")
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class NotFound(BarbicanException):
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message = _("An object with the specified identifier was not found.")
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class UnknownScheme(BarbicanException):
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message = _("Unknown scheme '%(scheme)s' found in URI")
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class BadStoreUri(BarbicanException):
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message = _("The Store URI was malformed.")
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class Duplicate(BarbicanException):
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message = _("An object with the same identifier already exists.")
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class StorageFull(BarbicanException):
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message = _("There is not enough disk space on the image storage media.")
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class StorageWriteDenied(BarbicanException):
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message = _("Permission to write image storage media denied.")
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class AuthBadRequest(BarbicanException):
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message = _("Connect error/bad request to Auth service at URL %(url)s.")
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class AuthUrlNotFound(BarbicanException):
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message = _("Auth service at URL %(url)s not found.")
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class AuthorizationFailure(BarbicanException):
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message = _("Authorization failed.")
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class NotAuthenticated(BarbicanException):
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message = _("You are not authenticated.")
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class Forbidden(BarbicanException):
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message = _("You are not authorized to complete this action.")
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class NotSupported(BarbicanException):
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message = _("Operation is not supported.")
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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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#NOTE(bcwaldon): here for backwards-compatibility, need to deprecate.
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class NotAuthorized(Forbidden):
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message = _("You are not authorized to complete this action.")
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class Invalid(BarbicanException):
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message = _("Data supplied was not valid.")
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class NoDataToProcess(BarbicanException):
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message = _("No data supplied to process.")
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class InvalidSortKey(Invalid):
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message = _("Sort key supplied was not valid.")
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class InvalidFilterRangeValue(Invalid):
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message = _("Unable to filter using the specified range.")
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class ReadonlyProperty(Forbidden):
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message = _("Attribute '%(property)s' is read-only.")
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class ReservedProperty(Forbidden):
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message = _("Attribute '%(property)s' is reserved.")
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class AuthorizationRedirect(BarbicanException):
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message = _("Redirecting to %(uri)s for authorization.")
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class DatabaseMigrationError(BarbicanException):
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message = _("There was an error migrating the database.")
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class ClientConnectionError(BarbicanException):
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message = _("There was an error connecting to a server")
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class ClientConfigurationError(BarbicanException):
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message = _("There was an error configuring the client.")
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class MultipleChoices(BarbicanException):
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message = _("The request returned a 302 Multiple Choices. This generally "
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"means that you have not included a version indicator in a "
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"request URI.\n\nThe body of response returned:\n%(body)s")
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class LimitExceeded(BarbicanException):
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message = _("The request returned a 413 Request Entity Too Large. This "
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"generally means that rate limiting or a quota threshold was "
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"breached.\n\nThe response body:\n%(body)s")
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def __init__(self, *args, **kwargs):
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super(LimitExceeded, self).__init__(*args, **kwargs)
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self.retry_after = (int(kwargs['retry']) if kwargs.get('retry')
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else None)
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class ServiceUnavailable(BarbicanException):
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message = _("The request returned 503 Service Unavilable. This "
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"generally occurs on service overload or other transient "
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"outage.")
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def __init__(self, *args, **kwargs):
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super(ServiceUnavailable, self).__init__(*args, **kwargs)
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self.retry_after = (int(kwargs['retry']) if kwargs.get('retry')
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else None)
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class ServerError(BarbicanException):
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message = _("The request returned 500 Internal Server Error.")
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class UnexpectedStatus(BarbicanException):
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message = _("The request returned an unexpected status: %(status)s."
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"\n\nThe response body:\n%(body)s")
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class InvalidContentType(BarbicanException):
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message = _("Invalid content type %(content_type)s")
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class InvalidContentEncoding(BarbicanException):
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message = _("Invalid content encoding %(content_encoding)s")
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class PayloadDecodingError(BarbicanException):
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message = _("Error while attempting to decode payload.")
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class BadRegistryConnectionConfiguration(BarbicanException):
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message = _("Registry was not configured correctly on API server. "
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"Reason: %(reason)s")
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class BadStoreConfiguration(BarbicanException):
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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 BadDriverConfiguration(BarbicanException):
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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(BarbicanException):
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message = _("Deleting images from this store is not supported.")
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class StoreAddDisabled(BarbicanException):
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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 InvalidNotifierStrategy(BarbicanException):
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message = _("'%(strategy)s' is not an available notifier strategy.")
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class MaxRedirectsExceeded(BarbicanException):
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message = _("Maximum redirects (%(redirects)s) was exceeded.")
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class InvalidRedirect(BarbicanException):
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message = _("Received invalid HTTP redirect.")
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class NoServiceEndpoint(BarbicanException):
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message = _("Response from Keystone does not contain a Barbican endpoint.")
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class RegionAmbiguity(BarbicanException):
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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(BarbicanException):
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message = _("Server worker creation failed: %(reason)s.")
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class SchemaLoadError(BarbicanException):
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message = _("Unable to load schema: %(reason)s")
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class InvalidObject(BarbicanException):
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message = _("Provided object does not match schema "
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"'%(schema)s': %(reason)s")
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def __init__(self, *args, **kwargs):
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super(InvalidObject, self).__init__(*args, **kwargs)
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self.invalid_property = kwargs.get('property')
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class UnsupportedField(BarbicanException):
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message = _("No support for value set on field '%(field)s' on "
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"schema '%(schema)s': %(reason)s")
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def __init__(self, *args, **kwargs):
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super(UnsupportedField, self).__init__(*args, **kwargs)
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self.invalid_field = kwargs.get('field')
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class UnsupportedHeaderFeature(BarbicanException):
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message = _("Provided header feature is unsupported: %(feature)s")
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class InUseByStore(BarbicanException):
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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 Barbican.")
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class ImageSizeLimitExceeded(BarbicanException):
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message = _("The provided image is too large.")
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