nova/nova/api/openstack/compute/config_drive.py

78 lines
2.7 KiB
Python

# Copyright 2012 OpenStack Foundation
# 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.
"""Config Drive extension."""
from nova.api.openstack.compute.schemas import config_drive as \
schema_config_drive
from nova.api.openstack import extensions
from nova.api.openstack import wsgi
ALIAS = "os-config-drive"
ATTRIBUTE_NAME = "config_drive"
authorize = extensions.os_compute_soft_authorizer(ALIAS)
class ConfigDriveController(wsgi.Controller):
def _add_config_drive(self, req, servers):
for server in servers:
db_server = req.get_db_instance(server['id'])
# server['id'] is guaranteed to be in the cache due to
# the core API adding it in its 'show'/'detail' methods.
server[ATTRIBUTE_NAME] = db_server['config_drive']
def _show(self, req, resp_obj):
if 'server' in resp_obj.obj:
server = resp_obj.obj['server']
self._add_config_drive(req, [server])
@wsgi.extends
def show(self, req, resp_obj, id):
context = req.environ['nova.context']
if authorize(context):
self._show(req, resp_obj)
@wsgi.extends
def detail(self, req, resp_obj):
context = req.environ['nova.context']
if 'servers' in resp_obj.obj and authorize(context):
servers = resp_obj.obj['servers']
self._add_config_drive(req, servers)
class ConfigDrive(extensions.V21APIExtensionBase):
"""Config Drive Extension."""
name = "ConfigDrive"
alias = ALIAS
version = 1
def get_controller_extensions(self):
controller = ConfigDriveController()
extension = extensions.ControllerExtension(self, 'servers', controller)
return [extension]
def get_resources(self):
return []
# NOTE(gmann): This function is not supposed to use 'body_deprecated_param'
# parameter as this is placed to handle scheduler_hint extension for V2.1.
def server_create(self, server_dict, create_kwargs, body_deprecated_param):
create_kwargs['config_drive'] = server_dict.get(ATTRIBUTE_NAME)
def get_server_create_schema(self):
return schema_config_drive.server_create