distcloud/dcmanager/common/exceptions.py

149 lines
4.2 KiB
Python

# Copyright 2015 Huawei Technologies Co., Ltd.
# Copyright 2015 Ericsson AB.
# 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.
#
# Copyright (c) 2017 Wind River Systems, Inc.
#
# The right to copy, distribute, modify, or otherwise make use
# of this software may be licensed only pursuant to the terms
# of an applicable Wind River license agreement.
#
"""
DC Manager base exception handling.
"""
import six
from oslo_utils import excutils
from dcmanager.common.i18n import _
class DCManagerException(Exception):
"""Base DC Manager 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, **kwargs):
try:
super(DCManagerException, self).__init__(self.message % kwargs)
self.msg = self.message % kwargs
except Exception:
with excutils.save_and_reraise_exception() as ctxt:
if not self.use_fatal_exceptions():
ctxt.reraise = False
# at least get the core message out if something happened
super(DCManagerException, self).__init__(self.message)
if six.PY2:
def __unicode__(self):
return unicode(self.msg)
def use_fatal_exceptions(self):
return False
class BadRequest(DCManagerException):
message = _('Bad %(resource)s request: %(msg)s')
class NotFound(DCManagerException):
message = _("Not found")
class Conflict(DCManagerException):
message = _('Conflict: %(msg)s')
class NotAuthorized(DCManagerException):
message = _("Not authorized.")
class ServiceUnavailable(DCManagerException):
message = _("The service is unavailable")
class AdminRequired(NotAuthorized):
message = _("User does not have admin privileges: %(reason)s")
class InUse(DCManagerException):
message = _("The resource is inuse")
class InvalidConfigurationOption(DCManagerException):
message = _("An invalid value was provided for %(opt_name)s: "
"%(opt_value)s")
class SubcloudNotFound(NotFound):
message = _("Subcloud with id %(subcloud_id)s doesn't exist.")
class SubcloudNameNotFound(NotFound):
message = _("Subcloud with name %(name)s doesn't exist.")
class SubcloudNotOnline(DCManagerException):
message = _("Subcloud is not online.")
class SubcloudStatusNotFound(NotFound):
message = _("SubcloudStatus with subcloud_id %(subcloud_id)s and "
"endpoint_type %(endpoint_type)s doesn't exist.")
class SubcloudNotUnmanaged(DCManagerException):
message = _("Subcloud must be unmanaged to perform this operation.")
class SubcloudNotOffline(DCManagerException):
message = _("Subcloud must be powered down to perform this operation.")
class SubcloudPatchOptsNotFound(NotFound):
message = _("No options found for Subcloud with id %(subcloud_id)s, "
"defaults will be used.")
class ConnectionRefused(DCManagerException):
message = _("Connection to the service endpoint is refused")
class TimeOut(DCManagerException):
message = _("Timeout when connecting to OpenStack Service")
class InternalError(DCManagerException):
message = _("Error when performing operation")
class InvalidInputError(DCManagerException):
message = _("An invalid value was provided")
class StrategyStepNotFound(NotFound):
message = _("StrategyStep with subcloud_id %(subcloud_id)s "
"doesn't exist.")
class StrategyStepNameNotFound(NotFound):
message = _("StrategyStep with name %(name)s doesn't exist.")