155 lines
5.3 KiB
Python
155 lines
5.3 KiB
Python
# Copyright 2011 OpenStack Foundation
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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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"""Disk Config extension."""
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from oslo_utils import strutils
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from webob import exc
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from nova.api.openstack.compute.schemas import disk_config
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from nova.api.openstack import extensions
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from nova.api.openstack import wsgi
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from nova.i18n import _
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ALIAS = 'os-disk-config'
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API_DISK_CONFIG = "OS-DCF:diskConfig"
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INTERNAL_DISK_CONFIG = "auto_disk_config"
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authorize = extensions.os_compute_soft_authorizer(ALIAS)
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def disk_config_to_api(value):
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return 'AUTO' if value else 'MANUAL'
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def disk_config_from_api(value):
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if value == 'AUTO':
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return True
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elif value == 'MANUAL':
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return False
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else:
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msg = _("%s must be either 'MANUAL' or 'AUTO'.") % API_DISK_CONFIG
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raise exc.HTTPBadRequest(explanation=msg)
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class ImageDiskConfigController(wsgi.Controller):
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def _add_disk_config(self, context, images):
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for image in images:
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metadata = image['metadata']
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if INTERNAL_DISK_CONFIG in metadata:
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raw_value = metadata[INTERNAL_DISK_CONFIG]
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value = strutils.bool_from_string(raw_value)
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image[API_DISK_CONFIG] = disk_config_to_api(value)
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@wsgi.extends
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def show(self, req, resp_obj, id):
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context = req.environ['nova.context']
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if 'image' in resp_obj.obj and authorize(context):
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image = resp_obj.obj['image']
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self._add_disk_config(context, [image])
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@wsgi.extends
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def detail(self, req, resp_obj):
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context = req.environ['nova.context']
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if 'images' in resp_obj.obj and authorize(context):
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images = resp_obj.obj['images']
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self._add_disk_config(context, images)
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class ServerDiskConfigController(wsgi.Controller):
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def _add_disk_config(self, req, servers):
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for server in servers:
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db_server = req.get_db_instance(server['id'])
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# server['id'] is guaranteed to be in the cache due to
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# the core API adding it in its 'show'/'detail' methods.
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value = db_server.get(INTERNAL_DISK_CONFIG)
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server[API_DISK_CONFIG] = disk_config_to_api(value)
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def _show(self, req, resp_obj):
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if 'server' in resp_obj.obj:
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server = resp_obj.obj['server']
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self._add_disk_config(req, [server])
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@wsgi.extends
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def show(self, req, resp_obj, id):
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context = req.environ['nova.context']
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if authorize(context):
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self._show(req, resp_obj)
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@wsgi.extends
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def detail(self, req, resp_obj):
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context = req.environ['nova.context']
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if 'servers' in resp_obj.obj and authorize(context):
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servers = resp_obj.obj['servers']
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self._add_disk_config(req, servers)
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@wsgi.extends
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def create(self, req, resp_obj, body):
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context = req.environ['nova.context']
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if authorize(context):
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self._show(req, resp_obj)
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@wsgi.extends
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def update(self, req, resp_obj, id, body):
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context = req.environ['nova.context']
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if authorize(context):
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self._show(req, resp_obj)
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@wsgi.extends(action='rebuild')
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def _action_rebuild(self, req, resp_obj, id, body):
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context = req.environ['nova.context']
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if authorize(context):
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self._show(req, resp_obj)
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class DiskConfig(extensions.V21APIExtensionBase):
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"""Disk Management Extension."""
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name = "DiskConfig"
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alias = ALIAS
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version = 1
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def get_controller_extensions(self):
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servers_extension = extensions.ControllerExtension(
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self, 'servers', ServerDiskConfigController())
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images_extension = extensions.ControllerExtension(
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self, 'images', ImageDiskConfigController())
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return [servers_extension, images_extension]
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def get_resources(self):
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return []
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# NOTE(gmann): This function is not supposed to use 'body_deprecated_param'
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# parameter as this is placed to handle scheduler_hint extension for V2.1.
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# making 'body_deprecated_param' as optional to avoid changes for
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# server_update & server_rebuild
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def server_create(self, server_dict, create_kwargs,
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body_deprecated_param=None):
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if API_DISK_CONFIG in server_dict:
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api_value = server_dict[API_DISK_CONFIG]
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internal_value = disk_config_from_api(api_value)
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create_kwargs[INTERNAL_DISK_CONFIG] = internal_value
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server_update = server_create
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server_rebuild = server_create
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server_resize = server_create
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def get_server_create_schema(self, version):
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return disk_config.server_create
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get_server_update_schema = get_server_create_schema
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get_server_rebuild_schema = get_server_create_schema
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get_server_resize_schema = get_server_create_schema
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