58 lines
1.9 KiB
Python
58 lines
1.9 KiB
Python
# Copyright 2013 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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"""The block device mappings extension."""
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from webob import exc
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from nova.api.openstack import extensions
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from nova import block_device
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from nova import exception
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ALIAS = "os-block-device-mapping"
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ATTRIBUTE_NAME = "%s:block_device_mapping" % ALIAS
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class BlockDeviceMapping(extensions.V3APIExtensionBase):
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"""Block device mapping boot support."""
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name = "BlockDeviceMapping"
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alias = ALIAS
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version = 1
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def get_resources(self):
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return []
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def get_controller_extensions(self):
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return []
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# use nova.api.extensions.server.extensions entry point to modify
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# server create kwargs
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def server_create(self, server_dict, create_kwargs):
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block_device_mapping = server_dict.get(ATTRIBUTE_NAME, [])
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try:
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block_device_mapping = [
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block_device.BlockDeviceDict.from_api(bdm_dict)
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for bdm_dict in block_device_mapping]
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except exception.InvalidBDMFormat as e:
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raise exc.HTTPBadRequest(explanation=e.format_message())
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create_kwargs['block_device_mapping'] = block_device_mapping
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# Unset the legacy_bdm flag if we got a block device mapping.
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if block_device_mapping:
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create_kwargs['legacy_bdm'] = False
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