69 lines
2.4 KiB
Python
69 lines
2.4 KiB
Python
# Copyright (c) 2015 Mirantis, Inc.
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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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from pecan import abort
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from pecan import hooks
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from neutron.api import extensions
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from neutron.api.v2 import attributes
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class MemberActionHook(hooks.PecanHook):
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priority = 95
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def before(self, state):
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# TODO(salv-orlando): This hook must go. Handling actions like this is
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# shameful
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resource = state.request.context.get('resource')
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if not resource:
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return
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try:
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# Remove the format suffix if any
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uri = state.request.path.rsplit('.', 1)[0].split('/')[2:]
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if not uri:
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# there's nothing to process in the URI
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return
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except IndexError:
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return
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collection = None
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for (collection, res) in attributes.PLURALS.items():
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if res == resource:
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break
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else:
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return
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state.request.member_action = self._parse_action(
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resource, collection, uri[1:])
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def _parse_action(self, resource, collection, remainder):
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# NOTE(salv-orlando): This check is revolting and makes me
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# puke, but avoids silly failures when dealing with API actions
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# such as "add_router_interface".
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if len(remainder) > 1:
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action = remainder[1]
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else:
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return
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ext_mgr = extensions.PluginAwareExtensionManager.get_instance()
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resource_exts = ext_mgr.get_resources()
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for ext in resource_exts:
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if (ext.collection == collection and action in ext.member_actions):
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return action
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# Action or resource extension not found
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if action:
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abort(404, detail="Action %(action)s for resource "
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"%(resource)s undefined" %
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{'action': action,
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'resource': resource})
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