342 lines
9.8 KiB
Python
342 lines
9.8 KiB
Python
# Copyright 2017 Huawei Technologies Co.,LTD.
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# All Rights Reserved.
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#
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# Licensed under the Apache License, Version 2.0 (the "License"); you may
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# not use this file except in compliance with the License. You may obtain
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# 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, WITHOUT
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# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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# License for the specific language governing permissions and limitations
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# under the License.
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"""Cyborg base exception handling.
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SHOULD include dedicated exception logging.
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"""
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from oslo_log import log
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import six
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from six.moves import http_client
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from cyborg.common.i18n import _
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from cyborg.conf import CONF
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LOG = log.getLogger(__name__)
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class CyborgException(Exception):
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"""Base Cyborg Exception
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To correctly use this class, inherit from it and define
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a '_msg_fmt' property. That message will get printf'd
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with the keyword arguments provided to the constructor.
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If you need to access the message from an exception you should use
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six.text_type(exc)
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"""
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_msg_fmt = _("An unknown exception occurred.")
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code = http_client.INTERNAL_SERVER_ERROR
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headers = {}
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safe = False
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def __init__(self, message=None, **kwargs):
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self.kwargs = kwargs
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if 'code' not in self.kwargs:
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try:
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self.kwargs['code'] = self.code
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except AttributeError:
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pass
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if not message:
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try:
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message = self._msg_fmt % kwargs
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except Exception:
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# kwargs doesn't match a variable in self._msg_fmt
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# log the issue and the kwargs
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LOG.exception('Exception in string format operation')
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for name, value in kwargs.items():
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LOG.error("%s: %s" % (name, value))
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if CONF.fatal_exception_format_errors:
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raise
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else:
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# at least get the core self._msg_fmt out if something
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# happened
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message = self._msg_fmt
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super(CyborgException, self).__init__(message)
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def __str__(self):
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"""Encode to utf-8 then wsme api can consume it as well."""
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if not six.PY3:
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return unicode(self.args[0]).encode('utf-8')
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return self.args[0]
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def __unicode__(self):
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"""Return a unicode representation of the exception message."""
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return unicode(self.args[0])
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class ConfigInvalid(CyborgException):
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_msg_fmt = _("Invalid configuration file. %(error_msg)s")
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class DeviceAlreadyExists(CyborgException):
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_msg_fmt = _("Device with uuid %(uuid)s already exists.")
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class DeployableAlreadyExists(CyborgException):
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_msg_fmt = _("Deployable with uuid %(uuid)s already exists.")
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class ExtArqAlreadyExists(CyborgException):
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_msg_fmt = _("ExtArq with uuid %(uuid)s already exists.")
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class Invalid(CyborgException):
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_msg_fmt = _("Invalid parameters.")
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code = http_client.BAD_REQUEST
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class InvalidIdentity(Invalid):
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_msg_fmt = _("Expected a uuid/id but received %(identity)s.")
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class InvalidUUID(Invalid):
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_msg_fmt = _("Expected a uuid but received %(uuid)s.")
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class InvalidJsonType(Invalid):
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_msg_fmt = _("%(value)s is not JSON serializable.")
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# Cannot be templated as the error syntax varies.
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# msg needs to be constructed when raised.
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class InvalidParameterValue(Invalid):
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_msg_fmt = _("%(err)s")
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class PatchError(Invalid):
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_msg_fmt = _("Couldn't apply patch '%(patch)s'. Reason: %(reason)s")
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class NotAuthorized(CyborgException):
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_msg_fmt = _("Not authorized.")
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code = http_client.FORBIDDEN
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class HTTPForbidden(NotAuthorized):
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_msg_fmt = _("Access was denied to the following resource: %(resource)s")
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class NotFound(CyborgException):
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_msg_fmt = _("Resource could not be found.")
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code = http_client.NOT_FOUND
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class ServiceNotFound(NotFound):
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msg_fmt = _("Service %(service_id)s could not be found.")
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class ConfGroupForServiceTypeNotFound(ServiceNotFound):
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msg_fmt = _("No conf group name could be found for service type "
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"%(stype)s.")
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class DeviceNotFound(NotFound):
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_msg_fmt = _("Device %(uuid)s could not be found.")
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class DeployableNotFound(NotFound):
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_msg_fmt = _("Deployable %(uuid)s could not be found.")
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class ExtArqNotFound(NotFound):
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_msg_fmt = _("ExtArq %(uuid)s could not be found.")
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class InvalidDeployType(CyborgException):
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_msg_fmt = _("Deployable have an invalid type")
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class Conflict(CyborgException):
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_msg_fmt = _('Conflict.')
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code = http_client.CONFLICT
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class DuplicateDeviceName(Conflict):
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_msg_fmt = _("A device with name %(name)s already exists.")
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class DuplicateDeployableName(Conflict):
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_msg_fmt = _("A deployable with name %(name)s already exists.")
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class PlacementEndpointNotFound(NotFound):
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message = _("Placement API endpoint not found")
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class PlacementResourceProviderNotFound(NotFound):
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message = _("Placement resource provider not found %(resource_provider)s.")
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class PlacementInventoryNotFound(NotFound):
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message = _("Placement inventory not found for resource provider "
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"%(resource_provider)s, resource class %(resource_class)s.")
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class PlacementInventoryUpdateConflict(Conflict):
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message = _("Placement inventory update conflict for resource provider "
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"%(resource_provider)s, resource class %(resource_class)s.")
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class ObjectActionError(CyborgException):
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_msg_fmt = _('Object action %(action)s failed because: %(reason)s')
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class AttributeNotFound(NotFound):
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_msg_fmt = _("Attribute %(uuid)s could not be found.")
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class AttributeInvalid(CyborgException):
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_msg_fmt = _("Attribute is invalid")
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class AttributeAlreadyExists(CyborgException):
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_msg_fmt = _("Attribute with uuid %(uuid)s already exists.")
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# An exception with this name is used on both sides of the placement/
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# cyborg interaction.
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class ResourceProviderInUse(CyborgException):
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msg_fmt = _("Resource provider has allocations.")
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class ResourceProviderRetrievalFailed(CyborgException):
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msg_fmt = _("Failed to get resource provider with UUID %(uuid)s")
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class ResourceProviderAggregateRetrievalFailed(CyborgException):
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msg_fmt = _("Failed to get aggregates for resource provider with UUID"
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" %(uuid)s")
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class ResourceProviderTraitRetrievalFailed(CyborgException):
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msg_fmt = _("Failed to get traits for resource provider with UUID"
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" %(uuid)s")
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class ResourceProviderCreationFailed(CyborgException):
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msg_fmt = _("Failed to create resource provider %(name)s")
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class ResourceProviderDeletionFailed(CyborgException):
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msg_fmt = _("Failed to delete resource provider %(uuid)s")
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class ResourceProviderUpdateFailed(CyborgException):
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msg_fmt = _("Failed to update resource provider via URL %(url)s: "
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"%(error)s")
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class ResourceProviderNotFound(NotFound):
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msg_fmt = _("No such resource provider %(name_or_uuid)s.")
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class ResourceProviderSyncFailed(CyborgException):
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msg_fmt = _("Failed to synchronize the placement service with resource "
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"provider information supplied by the compute host.")
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class PlacementAPIConnectFailure(CyborgException):
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msg_fmt = _("Unable to communicate with the Placement API.")
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class PlacementAPIConflict(CyborgException):
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"""Any 409 error from placement APIs should use (a subclass of) this
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exception.
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"""
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msg_fmt = _("A conflict was encountered attempting to invoke the "
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"placement API at URL %(url)s: %(error)s")
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class ResourceProviderUpdateConflict(PlacementAPIConflict):
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"""A 409 caused by generation mismatch from attempting to update an
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existing provider record or its associated data (aggregates, traits, etc.).
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"""
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msg_fmt = _("A conflict was encountered attempting to update resource "
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"provider %(uuid)s (generation %(generation)d): %(error)s")
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class InvalidResourceClass(Invalid):
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msg_fmt = _("Resource class '%(resource_class)s' invalid.")
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class InvalidResourceAmount(Invalid):
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msg_fmt = _("Resource amounts must be integers. Received '%(amount)s'.")
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class InvalidInventory(Invalid):
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msg_fmt = _("Inventory for '%(resource_class)s' on "
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"resource provider '%(resource_provider)s' invalid.")
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# An exception with this name is used on both sides of the placement/
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# cyborg interaction.
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class InventoryInUse(InvalidInventory):
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# NOTE(mriedem): This message cannot change without impacting the
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# cyborg.services.client.report._RE_INV_IN_USE regex.
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msg_fmt = _("Inventory for '%(resource_classes)s' on "
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"resource provider '%(resource_provider)s' in use.")
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class QuotaNotFound(NotFound):
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message = _("Quota could not be found")
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class QuotaUsageNotFound(QuotaNotFound):
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message = _("Quota usage for project %(project_id)s could not be found.")
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class QuotaResourceUnknown(QuotaNotFound):
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message = _("Unknown quota resources %(unknown)s.")
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class InvalidReservationExpiration(Invalid):
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message = _("Invalid reservation expiration %(expire)s.")
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class GlanceConnectionFailed(CyborgException):
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msg_fmt = _("Connection to glance host %(server)s failed: "
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"%(reason)s")
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class ImageUnacceptable(Invalid):
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msg_fmt = _("Image %(image_id)s is unacceptable: %(reason)s")
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class ImageNotAuthorized(CyborgException):
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msg_fmt = _("Not authorized for image %(image_id)s.")
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class ImageNotFound(NotFound):
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msg_fmt = _("Image %(image_id)s could not be found.")
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class ImageBadRequest(Invalid):
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msg_fmt = _("Request of image %(image_id)s got BadRequest response: "
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"%(response)s")
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class InvalidDriver(Invalid):
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_msg_fmt = _("Found an invalid driver: %(name)s")
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