deb-cinder/cinder/exception.py

723 lines
19 KiB
Python

# 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.
"""Cinder base exception handling.
Includes decorator for re-raising Cinder-type exceptions.
SHOULD include dedicated exception logging.
"""
import sys
from oslo.config import cfg
import webob.exc
from cinder.openstack.common.gettextutils import _
from cinder.openstack.common import log as logging
LOG = logging.getLogger(__name__)
exc_log_opts = [
cfg.BoolOpt('fatal_exception_format_errors',
default=False,
help='make exception message format errors fatal'),
]
CONF = cfg.CONF
CONF.register_opts(exc_log_opts)
class ConvertedException(webob.exc.WSGIHTTPException):
def __init__(self, code=0, title="", explanation=""):
self.code = code
self.title = title
self.explanation = explanation
super(ConvertedException, self).__init__()
class Error(Exception):
pass
class CinderException(Exception):
"""Base Cinder 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.")
code = 500
headers = {}
safe = False
def __init__(self, message=None, **kwargs):
self.kwargs = kwargs
if 'code' not in self.kwargs:
try:
self.kwargs['code'] = self.code
except AttributeError:
pass
if not message:
try:
message = self.message % kwargs
except Exception:
exc_info = sys.exc_info()
# kwargs doesn't match a variable in the message
# log the issue and the kwargs
LOG.exception(_('Exception in string format operation'))
for name, value in kwargs.iteritems():
LOG.error("%s: %s" % (name, value))
if CONF.fatal_exception_format_errors:
raise exc_info[0], exc_info[1], exc_info[2]
# at least get the core message out if something happened
message = self.message
# NOTE(luisg): We put the actual message in 'msg' so that we can access
# it, because if we try to access the message via 'message' it will be
# overshadowed by the class' message attribute
self.msg = message
super(CinderException, self).__init__(message)
def __unicode__(self):
return unicode(self.msg)
class VolumeBackendAPIException(CinderException):
message = _("Bad or unexpected response from the storage volume "
"backend API: %(data)s")
class VolumeDriverException(CinderException):
message = _("Volume driver reported an error: %(message)s")
class BackupDriverException(CinderException):
message = _("Backup driver reported an error: %(message)s")
class GlanceConnectionFailed(CinderException):
message = _("Connection to glance failed: %(reason)s")
class NotAuthorized(CinderException):
message = _("Not authorized.")
code = 403
class AdminRequired(NotAuthorized):
message = _("User does not have admin privileges")
class PolicyNotAuthorized(NotAuthorized):
message = _("Policy doesn't allow %(action)s to be performed.")
class ImageNotAuthorized(CinderException):
message = _("Not authorized for image %(image_id)s.")
class DriverNotInitialized(CinderException):
message = _("Volume driver not ready.")
class Invalid(CinderException):
message = _("Unacceptable parameters.")
code = 400
class InvalidSnapshot(Invalid):
message = _("Invalid snapshot: %(reason)s")
class InvalidVolumeAttachMode(Invalid):
message = _("Invalid attaching mode '%(mode)s' for "
"volume %(volume_id)s.")
class VolumeAttached(Invalid):
message = _("Volume %(volume_id)s is still attached, detach volume first.")
class SfJsonEncodeFailure(CinderException):
message = _("Failed to load data into json format")
class InvalidResults(Invalid):
message = _("The results are invalid.")
class InvalidInput(Invalid):
message = _("Invalid input received: %(reason)s")
class InvalidVolumeType(Invalid):
message = _("Invalid volume type: %(reason)s")
class InvalidVolume(Invalid):
message = _("Invalid volume: %(reason)s")
class InvalidContentType(Invalid):
message = _("Invalid content type %(content_type)s.")
class InvalidHost(Invalid):
message = _("Invalid host: %(reason)s")
# Cannot be templated as the error syntax varies.
# msg needs to be constructed when raised.
class InvalidParameterValue(Invalid):
message = _("%(err)s")
class InvalidAuthKey(Invalid):
message = _("Invalid auth key: %(reason)s")
class InvalidConfigurationValue(Invalid):
message = _('Value "%(value)s" is not valid for '
'configuration option "%(option)s"')
class ServiceUnavailable(Invalid):
message = _("Service is unavailable at this time.")
class ImageUnacceptable(Invalid):
message = _("Image %(image_id)s is unacceptable: %(reason)s")
class DeviceUnavailable(Invalid):
message = _("The device in the path %(path)s is unavailable: %(reason)s")
class InvalidUUID(Invalid):
message = _("Expected a uuid but received %(uuid)s.")
class NotFound(CinderException):
message = _("Resource could not be found.")
code = 404
safe = True
class VolumeNotFound(NotFound):
message = _("Volume %(volume_id)s could not be found.")
class VolumeMetadataNotFound(NotFound):
message = _("Volume %(volume_id)s has no metadata with "
"key %(metadata_key)s.")
class VolumeAdminMetadataNotFound(NotFound):
message = _("Volume %(volume_id)s has no administration metadata with "
"key %(metadata_key)s.")
class InvalidVolumeMetadata(Invalid):
message = _("Invalid metadata: %(reason)s")
class InvalidVolumeMetadataSize(Invalid):
message = _("Invalid metadata size: %(reason)s")
class SnapshotMetadataNotFound(NotFound):
message = _("Snapshot %(snapshot_id)s has no metadata with "
"key %(metadata_key)s.")
class VolumeTypeNotFound(NotFound):
message = _("Volume type %(volume_type_id)s could not be found.")
class VolumeTypeNotFoundByName(VolumeTypeNotFound):
message = _("Volume type with name %(volume_type_name)s "
"could not be found.")
class VolumeTypeExtraSpecsNotFound(NotFound):
message = _("Volume Type %(volume_type_id)s has no extra specs with "
"key %(extra_specs_key)s.")
class VolumeTypeInUse(CinderException):
message = _("Volume Type %(volume_type_id)s deletion is not allowed with "
"volumes present with the type.")
class SnapshotNotFound(NotFound):
message = _("Snapshot %(snapshot_id)s could not be found.")
class VolumeIsBusy(CinderException):
message = _("deleting volume %(volume_name)s that has snapshot")
class SnapshotIsBusy(CinderException):
message = _("deleting snapshot %(snapshot_name)s that has "
"dependent volumes")
class ISCSITargetNotFoundForVolume(NotFound):
message = _("No target id found for volume %(volume_id)s.")
class InvalidImageRef(Invalid):
message = _("Invalid image href %(image_href)s.")
class ImageNotFound(NotFound):
message = _("Image %(image_id)s could not be found.")
class ServiceNotFound(NotFound):
message = _("Service %(service_id)s could not be found.")
class HostNotFound(NotFound):
message = _("Host %(host)s could not be found.")
class SchedulerHostFilterNotFound(NotFound):
message = _("Scheduler Host Filter %(filter_name)s could not be found.")
class SchedulerHostWeigherNotFound(NotFound):
message = _("Scheduler Host Weigher %(weigher_name)s could not be found.")
class HostBinaryNotFound(NotFound):
message = _("Could not find binary %(binary)s on host %(host)s.")
class InvalidReservationExpiration(Invalid):
message = _("Invalid reservation expiration %(expire)s.")
class InvalidQuotaValue(Invalid):
message = _("Change would make usage less than 0 for the following "
"resources: %(unders)s")
class QuotaNotFound(NotFound):
message = _("Quota could not be found")
class QuotaResourceUnknown(QuotaNotFound):
message = _("Unknown quota resources %(unknown)s.")
class ProjectQuotaNotFound(QuotaNotFound):
message = _("Quota for project %(project_id)s could not be found.")
class QuotaClassNotFound(QuotaNotFound):
message = _("Quota class %(class_name)s could not be found.")
class QuotaUsageNotFound(QuotaNotFound):
message = _("Quota usage for project %(project_id)s could not be found.")
class ReservationNotFound(QuotaNotFound):
message = _("Quota reservation %(uuid)s could not be found.")
class OverQuota(CinderException):
message = _("Quota exceeded for resources: %(overs)s")
class FileNotFound(NotFound):
message = _("File %(file_path)s could not be found.")
#TODO(bcwaldon): EOL this exception!
class Duplicate(CinderException):
pass
class VolumeTypeExists(Duplicate):
message = _("Volume Type %(id)s already exists.")
class VolumeTypeEncryptionExists(Invalid):
message = _("Volume type encryption for type %(type_id)s already exists.")
class VolumeTypeEncryptionNotFound(NotFound):
message = _("Volume type encryption for type %(type_id)s does not exist.")
class MalformedRequestBody(CinderException):
message = _("Malformed message body: %(reason)s")
class ConfigNotFound(NotFound):
message = _("Could not find config at %(path)s")
class ParameterNotFound(NotFound):
message = _("Could not find parameter %(param)s")
class PasteAppNotFound(NotFound):
message = _("Could not load paste app '%(name)s' from %(path)s")
class NoValidHost(CinderException):
message = _("No valid host was found. %(reason)s")
class NoMoreTargets(CinderException):
"""No more available targets."""
pass
class QuotaError(CinderException):
message = _("Quota exceeded: code=%(code)s")
code = 413
headers = {'Retry-After': 0}
safe = True
class VolumeSizeExceedsAvailableQuota(QuotaError):
message = _("Requested volume or snapshot exceeds allowed Gigabytes "
"quota. Requested %(requested)sG, quota is %(quota)sG and "
"%(consumed)sG has been consumed.")
class VolumeLimitExceeded(QuotaError):
message = _("Maximum number of volumes allowed (%(allowed)d) exceeded")
class SnapshotLimitExceeded(QuotaError):
message = _("Maximum number of snapshots allowed (%(allowed)d) exceeded")
class DuplicateSfVolumeNames(Duplicate):
message = _("Detected more than one volume with name %(vol_name)s")
class VolumeTypeCreateFailed(CinderException):
message = _("Cannot create volume_type with "
"name %(name)s and specs %(extra_specs)s")
class UnknownCmd(VolumeDriverException):
message = _("Unknown or unsupported command %(cmd)s")
class MalformedResponse(VolumeDriverException):
message = _("Malformed response to command %(cmd)s: %(reason)s")
class FailedCmdWithDump(VolumeDriverException):
message = _("Operation failed with status=%(status)s. Full dump: %(data)s")
class GlanceMetadataExists(Invalid):
message = _("Glance metadata cannot be updated, key %(key)s"
" exists for volume id %(volume_id)s")
class GlanceMetadataNotFound(NotFound):
message = _("Glance metadata for volume/snapshot %(id)s cannot be found.")
class ExportFailure(Invalid):
message = _("Failed to export for volume: %(reason)s")
class MetadataCreateFailure(Invalid):
message = _("Failed to create metadata for volume: %(reason)s")
class MetadataUpdateFailure(Invalid):
message = _("Failed to update metadata for volume: %(reason)s")
class MetadataCopyFailure(Invalid):
message = _("Failed to copy metadata to volume: %(reason)s")
class ImageCopyFailure(Invalid):
message = _("Failed to copy image to volume: %(reason)s")
class BackupInvalidCephArgs(BackupDriverException):
message = _("Invalid Ceph args provided for backup rbd operation")
class BackupOperationError(Invalid):
message = _("An error has occurred during backup operation")
class BackupMetadataUnsupportedVersion(BackupDriverException):
message = _("Unsupported backup metadata version requested")
class VolumeMetadataBackupExists(BackupDriverException):
message = _("Metadata backup already exists for this volume")
class BackupRBDOperationFailed(BackupDriverException):
message = _("Backup RBD operation failed")
class BackupNotFound(NotFound):
message = _("Backup %(backup_id)s could not be found.")
class BackupFailedToGetVolumeBackend(NotFound):
message = _("Failed to identify volume backend.")
class InvalidBackup(Invalid):
message = _("Invalid backup: %(reason)s")
class SwiftConnectionFailed(BackupDriverException):
message = _("Connection to swift failed: %(reason)s")
class TransferNotFound(NotFound):
message = _("Transfer %(transfer_id)s could not be found.")
class VolumeMigrationFailed(CinderException):
message = _("Volume migration failed: %(reason)s")
class SSHInjectionThreat(CinderException):
message = _("SSH command injection detected: %(command)s")
class QoSSpecsExists(Duplicate):
message = _("QoS Specs %(specs_id)s already exists.")
class QoSSpecsCreateFailed(CinderException):
message = _("Failed to create qos_specs: "
"%(name)s with specs %(qos_specs)s.")
class QoSSpecsUpdateFailed(CinderException):
message = _("Failed to update qos_specs: "
"%(specs_id)s with specs %(qos_specs)s.")
class QoSSpecsNotFound(NotFound):
message = _("No such QoS spec %(specs_id)s.")
class QoSSpecsAssociateFailed(CinderException):
message = _("Failed to associate qos_specs: "
"%(specs_id)s with type %(type_id)s.")
class QoSSpecsDisassociateFailed(CinderException):
message = _("Failed to disassociate qos_specs: "
"%(specs_id)s with type %(type_id)s.")
class QoSSpecsKeyNotFound(NotFound):
message = _("QoS spec %(specs_id)s has no spec with "
"key %(specs_key)s.")
class InvalidQoSSpecs(Invalid):
message = _("Invalid qos specs: %(reason)s")
class QoSSpecsInUse(CinderException):
message = _("QoS Specs %(specs_id)s is still associated with entities.")
class KeyManagerError(CinderException):
msg_fmt = _("key manager error: %(reason)s")
class ManageExistingInvalidReference(CinderException):
message = _("Manage existing volume failed due to invalid backend "
"reference %(existing_ref)s: %(reason)s")
class ManageExistingVolumeTypeMismatch(CinderException):
message = _("Manage existing volume failed due to volume type mismatch: "
"%(reason)s")
# Driver specific exceptions
# Coraid
class CoraidException(VolumeDriverException):
message = _('Coraid Cinder Driver exception.')
class CoraidJsonEncodeFailure(CoraidException):
message = _('Failed to encode json data.')
class CoraidESMBadCredentials(CoraidException):
message = _('Login on ESM failed.')
class CoraidESMReloginFailed(CoraidException):
message = _('Relogin on ESM failed.')
class CoraidESMBadGroup(CoraidException):
message = _('Group with name "%(group_name)s" not found.')
class CoraidESMConfigureError(CoraidException):
message = _('ESM configure request failed: %(reason)s')
class CoraidESMNotAvailable(CoraidException):
message = _('Coraid ESM not available with reason: %(reason)s')
# Zadara
class ZadaraException(VolumeDriverException):
message = _('Zadara Cinder Driver exception.')
class ZadaraServerCreateFailure(ZadaraException):
message = _("Unable to create server object for initiator %(name)s")
class ZadaraServerNotFound(ZadaraException):
message = _("Unable to find server object for initiator %(name)s")
class ZadaraVPSANoActiveController(ZadaraException):
message = _("Unable to find any active VPSA controller")
class ZadaraAttachmentsNotFound(ZadaraException):
message = _("Failed to retrieve attachments for volume %(name)s")
class ZadaraInvalidAttachmentInfo(ZadaraException):
message = _("Invalid attachment info for volume %(name)s: %(reason)s")
class BadHTTPResponseStatus(ZadaraException):
message = _("Bad HTTP response status %(status)s")
#SolidFire
class SolidFireAPIException(VolumeBackendAPIException):
message = _("Bad response from SolidFire API")
class SolidFireDriverException(VolumeDriverException):
message = _("SolidFire Cinder Driver exception")
class SolidFireAPIDataException(SolidFireAPIException):
message = _("Error in SolidFire API response: data=%(data)s")
class SolidFireAccountNotFound(SolidFireDriverException):
message = _("Unable to locate account %(account_name)s on "
"Solidfire device")
# HP 3Par
class Invalid3PARDomain(VolumeDriverException):
message = _("Invalid 3PAR Domain: %(err)s")
# NFS driver
class NfsException(VolumeDriverException):
message = _("Unknown NFS exception")
class NfsNoSharesMounted(VolumeDriverException):
message = _("No mounted NFS shares found")
class NfsNoSuitableShareFound(VolumeDriverException):
message = _("There is no share which can host %(volume_size)sG")
# Gluster driver
class GlusterfsException(VolumeDriverException):
message = _("Unknown Gluster exception")
class GlusterfsNoSharesMounted(VolumeDriverException):
message = _("No mounted Gluster shares found")
class GlusterfsNoSuitableShareFound(VolumeDriverException):
message = _("There is no share which can host %(volume_size)sG")
class RemoveExportException(VolumeDriverException):
message = _("Failed to remove export for volume %(volume)s: %(reason)s")
# HP MSA
class HPMSAVolumeDriverException(VolumeDriverException):
message = _("HP MSA Volume Driver exception")
class HPMSAInvalidVDisk(HPMSAVolumeDriverException):
message = _("VDisk doesn't exist (%(vdisk)s)")
class HPMSAConnectionError(HPMSAVolumeDriverException):
message = _("Unable to connect to MSA array")
class HPMSANotEnoughSpace(HPMSAVolumeDriverException):
message = _("Not enough space on VDisk (%(vdisk)s)")
# Fibre Channel Zone Manager
class ZoneManagerException(CinderException):
message = _("Fibre Channel connection control failure: %(reason)s")
class FCZoneDriverException(CinderException):
message = _("Fibre Channel Zone operation failed: %(reason)s")
class FCSanLookupServiceException(CinderException):
message = _("Fibre Channel SAN Lookup failure: %(reason)s")
class BrocadeZoningCliException(CinderException):
message = _("Fibre Channel Zoning CLI error: %(reason)s")
class NetAppDriverException(VolumeDriverException):
message = _("NetApp Cinder Driver exception.")