neutron/neutron/pecan_wsgi/controllers/extensions.py

70 lines
2.3 KiB
Python

# 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 pecan
from neutron._i18n import _
from neutron.api import extensions
from neutron.pecan_wsgi.controllers import utils
class ExtensionsController(object):
@utils.expose()
def _lookup(self, alias, *remainder):
return ExtensionController(alias), remainder
@utils.expose(generic=True)
def index(self):
ext_mgr = extensions.PluginAwareExtensionManager.get_instance()
exts = [extensions.ExtensionController._translate(ext)
for ext in ext_mgr.extensions.values()]
return {'extensions': exts}
@utils.when(index, method='POST')
@utils.when(index, method='PUT')
@utils.when(index, method='DELETE')
@utils.when(index, method='HEAD')
@utils.when(index, method='PATCH')
def not_supported(self):
# NOTE(blogan): Normally we'd return 405 but the legacy extensions
# controller returned 404.
pecan.abort(404)
class ExtensionController(object):
def __init__(self, alias):
self.alias = alias
@utils.expose(generic=True)
def index(self):
ext_mgr = extensions.PluginAwareExtensionManager.get_instance()
ext = ext_mgr.extensions.get(self.alias, None)
if not ext:
pecan.abort(
404, detail=_("Extension with alias %s "
"does not exist") % self.alias)
return {'extension': extensions.ExtensionController._translate(ext)}
@utils.when(index, method='POST')
@utils.when(index, method='PUT')
@utils.when(index, method='DELETE')
@utils.when(index, method='HEAD')
@utils.when(index, method='PATCH')
def not_supported(self):
# NOTE(blogan): Normally we'd return 405 but the legacy extensions
# controller returned 404.
pecan.abort(404)