cinder/cinder/api/contrib/capabilities.py

64 lines
2.0 KiB
Python

# Copyright (c) 2015 Hitachi Data Systems, Inc.
# 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.
from oslo_log import log as logging
from cinder.api import extensions
from cinder.api.openstack import wsgi
from cinder.api.views import capabilities as capabilities_view
from cinder.volume import rpcapi
LOG = logging.getLogger(__name__)
def authorize(context, action_name):
extensions.extension_authorizer('volume', action_name)(context)
class CapabilitiesController(wsgi.Controller):
"""The Capabilities controller for the OpenStack API."""
_view_builder_class = capabilities_view.ViewBuilder
def __init__(self):
self.volume_api = rpcapi.VolumeAPI()
super(CapabilitiesController, self).__init__()
def show(self, req, id):
"""Return capabilities list of given backend."""
context = req.environ['cinder.context']
authorize(context, 'capabilities')
capabilities = self.volume_api.get_capabilities(context, id, False)
return self._view_builder.summary(req, capabilities, id)
class Capabilities(extensions.ExtensionDescriptor):
"""Capabilities support."""
name = "Capabilities"
alias = "capabilities"
namespace = "http://docs.openstack.org/volume/ext/capabilities/api/v2"
updated = "2015-08-31T00:00:00+00:00"
def get_resources(self):
resources = []
res = extensions.ResourceExtension(
Capabilities.alias,
CapabilitiesController())
resources.append(res)
return resources