80 lines
3.1 KiB
Python
80 lines
3.1 KiB
Python
# vim: tabstop=4 shiftwidth=4 softtabstop=4
|
|
|
|
# Copyright 2011 OpenStack LLC.
|
|
# 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 webob import exc
|
|
|
|
from nova import compute
|
|
from nova import wsgi
|
|
from nova.api.openstack import common
|
|
from nova.api.openstack import faults
|
|
|
|
|
|
class Controller(common.OpenstackController):
|
|
""" The server metadata API controller for the Openstack API """
|
|
|
|
def __init__(self):
|
|
self.compute_api = compute.API()
|
|
super(Controller, self).__init__()
|
|
|
|
def _get_metadata(self, context, server_id):
|
|
metadata = self.compute_api.get_instance_metadata(context, server_id)
|
|
meta_dict = {}
|
|
for key, value in metadata.iteritems():
|
|
meta_dict[key] = value
|
|
return dict(metadata=meta_dict)
|
|
|
|
def index(self, req, server_id):
|
|
""" Returns the list of metadata for a given instance """
|
|
context = req.environ['nova.context']
|
|
return self._get_metadata(context, server_id)
|
|
|
|
def create(self, req, server_id):
|
|
context = req.environ['nova.context']
|
|
body = self._deserialize(req.body, req.get_content_type())
|
|
self.compute_api.update_or_create_instance_metadata(context,
|
|
server_id,
|
|
body['metadata'])
|
|
return req.body
|
|
|
|
def update(self, req, server_id, id):
|
|
context = req.environ['nova.context']
|
|
body = self._deserialize(req.body, req.get_content_type())
|
|
if not id in body:
|
|
expl = _('Request body and URI mismatch')
|
|
raise exc.HTTPBadRequest(explanation=expl)
|
|
if len(body) > 1:
|
|
expl = _('Request body contains too many items')
|
|
raise exc.HTTPBadRequest(explanation=expl)
|
|
self.compute_api.update_or_create_instance_metadata(context,
|
|
server_id,
|
|
body)
|
|
return req.body
|
|
|
|
def show(self, req, server_id, id):
|
|
""" Return a single metadata item """
|
|
context = req.environ['nova.context']
|
|
data = self._get_metadata(context, server_id)
|
|
if id in data['metadata']:
|
|
return {id: data['metadata'][id]}
|
|
else:
|
|
return faults.Fault(exc.HTTPNotFound())
|
|
|
|
def delete(self, req, server_id, id):
|
|
""" Deletes an existing metadata """
|
|
context = req.environ['nova.context']
|
|
self.compute_api.delete_instance_metadata(context, server_id, id)
|