135 lines
4.0 KiB
Python
135 lines
4.0 KiB
Python
# Copyright 2011 Cisco Systems, Inc. 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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import webob.dec
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from neutron import wsgi
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class Fault(webob.exc.HTTPException):
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"""Error codes for API faults."""
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_fault_names = {
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400: "malformedRequest",
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401: "unauthorized",
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451: "CredentialNotFound",
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452: "QoSNotFound",
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453: "NovatenantNotFound",
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454: "MultiportNotFound",
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470: "serviceUnavailable",
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471: "pluginFault"
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}
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def __init__(self, exception):
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"""Create a Fault for the given webob.exc.exception."""
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self.wrapped_exc = exception
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@webob.dec.wsgify(RequestClass=wsgi.Request)
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def __call__(self, req):
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"""Generate a WSGI response.
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Response is generated based on the exception passed to constructor.
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"""
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# Replace the body with fault details.
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code = self.wrapped_exc.status_int
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fault_name = self._fault_names.get(code, "neutronServiceFault")
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fault_data = {
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fault_name: {
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'code': code,
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'message': self.wrapped_exc.explanation}}
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# 'code' is an attribute on the fault tag itself
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content_type = req.best_match_content_type()
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self.wrapped_exc.body = wsgi.Serializer().serialize(
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fault_data, content_type)
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self.wrapped_exc.content_type = content_type
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return self.wrapped_exc
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class PortNotFound(webob.exc.HTTPClientError):
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"""PortNotFound exception.
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subclass of :class:`~HTTPClientError`
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This indicates that the server did not find the port specified
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in the HTTP request for a given network
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code: 430, title: Port not Found
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"""
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code = 430
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title = _('Port not Found')
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explanation = _('Unable to find a port with the specified identifier.')
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class CredentialNotFound(webob.exc.HTTPClientError):
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"""CredentialNotFound exception.
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subclass of :class:`~HTTPClientError`
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This indicates that the server did not find the Credential specified
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in the HTTP request
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code: 451, title: Credential not Found
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"""
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code = 451
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title = _('Credential Not Found')
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explanation = _('Unable to find a Credential with'
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' the specified identifier.')
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class QosNotFound(webob.exc.HTTPClientError):
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"""QosNotFound exception.
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subclass of :class:`~HTTPClientError`
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This indicates that the server did not find the QoS specified
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in the HTTP request
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code: 452, title: QoS not Found
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"""
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code = 452
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title = _('QoS Not Found')
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explanation = _('Unable to find a QoS with'
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' the specified identifier.')
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class NovatenantNotFound(webob.exc.HTTPClientError):
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"""NovatenantNotFound exception.
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subclass of :class:`~HTTPClientError`
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This indicates that the server did not find the Novatenant specified
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in the HTTP request
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code: 453, title: Nova tenant not Found
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"""
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code = 453
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title = _('Nova tenant Not Found')
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explanation = _('Unable to find a Novatenant with'
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' the specified identifier.')
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class RequestedStateInvalid(webob.exc.HTTPClientError):
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"""RequestedStateInvalid exception.
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subclass of :class:`~HTTPClientError`
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This indicates that the server could not update the port state
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to the request value
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code: 431, title: Requested State Invalid
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"""
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code = 431
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title = _('Requested State Invalid')
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explanation = _('Unable to update port state with specified value.')
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