blazar/climate/exceptions.py

96 lines
2.6 KiB
Python

# Copyright (c) 2013 Mirantis Inc.
# Copyright (c) 2013 Bull.
#
# 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.
from climate.openstack.common.gettextutils import _
from climate.openstack.common import log as logging
LOG = logging.getLogger(__name__)
class ClimateException(Exception):
"""Base Climate Exception.
To correctly use this class, inherit from it and define
a 'msg_fmt' and 'code' properties.
"""
msg_fmt = _("An unknown exception occurred")
code = 500
def __init__(self, message=None, **kwargs):
self.kwargs = kwargs
if 'code' not in self.kwargs:
self.kwargs['code'] = self.code
if not message:
try:
message = self.msg_fmt % kwargs
except KeyError:
# 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))
message = self.msg_fmt
super(ClimateException, self).__init__(message)
class NotFound(ClimateException):
"""Object not found exception."""
msg_fmt = _("Object with %(object)s not found")
code = 404
class NotAuthorized(ClimateException):
msg_fmt = _("Not authorized")
code = 403
class PolicyNotAuthorized(NotAuthorized):
msg_fmt = _("Policy doesn't allow %(action)s to be performed")
class ConfigNotFound(ClimateException):
msg_fmt = _("Could not find config at %(path)s")
class ServiceCatalogNotFound(NotFound):
msg_fmt = _("Could not find service catalog")
class WrongFormat(ClimateException):
msg_fmt = _("Unenxpectable object format")
class ServiceClient(ClimateException):
msg_fmt = _("Service %(service)s have some problems")
class TaskFailed(ClimateException):
msg_fmt = _('Current task failed')
class Timeout(ClimateException):
msg_fmt = _('Current task failed with timeout')
class InvalidInput(ClimateException):
code = 400
msg_fmt = _("Expected a %(cls)s type but received %(value)s.")