neutron/quantum/api/faults.py

73 lines
2.6 KiB
Python

# vim: tabstop=4 shiftwidth=4 softtabstop=4
# Copyright 2011 Citrix Systems.
# 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.
import webob.exc
from quantum.common import exceptions
_NETNOTFOUND_EXPL = 'Unable to find a network with the specified identifier.'
_NETINUSE_EXPL = 'Unable to remove the network: attachments still plugged.'
_PORTNOTFOUND_EXPL = 'Unable to find a port with the specified identifier.'
_STATEINVALID_EXPL = 'Unable to update port state with specified value.'
_PORTINUSE_EXPL = 'A resource is currently attached to the logical port'
_ALREADYATTACHED_EXPL = 'The resource is already attached to another port'
class QuantumHTTPError(webob.exc.HTTPClientError):
_fault_dict = {
exceptions.NetworkNotFound: {
'code': 420,
'title': 'networkNotFound',
'explanation': _NETNOTFOUND_EXPL
},
exceptions.NetworkInUse: {
'code': 421,
'title': 'networkInUse',
'explanation': _NETINUSE_EXPL
},
exceptions.PortNotFound: {
'code': 430,
'title': 'portNotFound',
'explanation': _PORTNOTFOUND_EXPL
},
exceptions.StateInvalid: {
'code': 431,
'title': 'requestedStateInvalid',
'explanation': _STATEINVALID_EXPL
},
exceptions.PortInUse: {
'code': 432,
'title': 'portInUse',
'explanation': _PORTINUSE_EXPL
},
exceptions.AlreadyAttached: {
'code': 440,
'title': 'alreadyAttached',
'explanation': _ALREADYATTACHED_EXPL
}
}
def __init__(self, inner_exc):
_fault_data = self._fault_dict.get(type(inner_exc), None)
if _fault_data:
self.code = _fault_data['code']
self.title = _fault_data['title']
self.explanation = _fault_data['explanation']
super(webob.exc.HTTPClientError, self).__init__(inner_exc)