78 lines
2.7 KiB
Python
78 lines
2.7 KiB
Python
# Copyright 2012 OpenStack Foundation
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# All Rights Reserved.
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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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"""Config Drive extension."""
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from nova.api.openstack.compute.schemas import config_drive as \
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schema_config_drive
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from nova.api.openstack import extensions
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from nova.api.openstack import wsgi
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ALIAS = "os-config-drive"
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ATTRIBUTE_NAME = "config_drive"
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authorize = extensions.os_compute_soft_authorizer(ALIAS)
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class ConfigDriveController(wsgi.Controller):
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def _add_config_drive(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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server[ATTRIBUTE_NAME] = db_server['config_drive']
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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_config_drive(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_config_drive(req, servers)
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class ConfigDrive(extensions.V21APIExtensionBase):
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"""Config Drive Extension."""
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name = "ConfigDrive"
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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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controller = ConfigDriveController()
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extension = extensions.ControllerExtension(self, 'servers', controller)
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return [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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def server_create(self, server_dict, create_kwargs, body_deprecated_param):
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create_kwargs['config_drive'] = server_dict.get(ATTRIBUTE_NAME)
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def get_server_create_schema(self):
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return schema_config_drive.server_create
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