2ca968aef0
Resolve conflicts Remove constraint on duplicate names for tenant's networks and NetworkNameExists exception Remove PortIsDown exception and related constraint on interface plug
150 lines
4.6 KiB
Python
150 lines
4.6 KiB
Python
# vim: tabstop=4 shiftwidth=4 softtabstop=4
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# Copyright 2011 Citrix Systems.
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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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import webob.dec
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import webob.exc
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from quantum.api import api_common as common
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from quantum.common 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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420: "networkNotFound",
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421: "networkInUse",
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422: "networkNameExists",
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430: "portNotFound",
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431: "requestedStateInvalid",
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432: "portInUse",
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433: "portIsDown",
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440: "alreadyAttached",
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470: "serviceUnavailable",
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471: "pluginFault"}
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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 based on the exception passed to ctor."""
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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, "quantumServiceFault")
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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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'detail': str(self.wrapped_exc.detail)}}
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# 'code' is an attribute on the fault tag itself
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metadata = {'application/xml': {'attributes': {fault_name: 'code'}}}
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default_xmlns = common.XML_NS_V10
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serializer = wsgi.Serializer(metadata, default_xmlns)
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content_type = req.best_match_content_type()
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self.wrapped_exc.body = serializer.serialize(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 NetworkNotFound(webob.exc.HTTPClientError):
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"""
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subclass of :class:`~HTTPClientError`
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This indicates that the server did not find the network specified
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in the HTTP request
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code: 420, title: Network not Found
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"""
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code = 420
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title = 'Network not Found'
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explanation = ('Unable to find a network with the specified identifier.')
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class NetworkInUse(webob.exc.HTTPClientError):
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"""
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subclass of :class:`~HTTPClientError`
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This indicates that the server could not delete the network as there is
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at least an attachment plugged into its ports
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code: 421, title: Network In Use
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"""
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code = 421
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title = 'Network in Use'
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explanation = ('Unable to remove the network: attachments still plugged.')
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class PortNotFound(webob.exc.HTTPClientError):
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"""
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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 RequestedStateInvalid(webob.exc.HTTPClientError):
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"""
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subclass of :class:`~HTTPClientError`
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This indicates that the server could not update the port state to
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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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class PortInUse(webob.exc.HTTPClientError):
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"""
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subclass of :class:`~HTTPClientError`
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This indicates that the server could not remove o port or attach
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a resource to it because there is an attachment plugged into the port
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code: 432, title: PortInUse
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"""
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code = 432
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title = 'Port in Use'
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explanation = ('A resource is currently attached to the logical port')
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class AlreadyAttached(webob.exc.HTTPClientError):
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"""
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subclass of :class:`~HTTPClientError`
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This indicates that the server refused an attempt to re-attach a resource
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already attached to the network
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code: 440, title: AlreadyAttached
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"""
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code = 440
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title = 'Already Attached'
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explanation = ('The resource is already attached to another port')
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