78 lines
2.8 KiB
Python
78 lines
2.8 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.compute.schemas import block_device_mapping as \
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schema_block_device_mapping
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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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from nova.i18n import _
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ALIAS = "os-block-device-mapping"
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ATTRIBUTE_NAME = "block_device_mapping_v2"
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LEGACY_ATTRIBUTE_NAME = "block_device_mapping"
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class BlockDeviceMapping(extensions.V21APIExtensionBase):
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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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# 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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# Have to check whether --image is given, see bug 1433609
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image_href = server_dict.get('imageRef')
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image_uuid_specified = image_href is not None
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bdm = server_dict.get(ATTRIBUTE_NAME, [])
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legacy_bdm = server_dict.get(LEGACY_ATTRIBUTE_NAME, [])
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if bdm and legacy_bdm:
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expl = _('Using different block_device_mapping syntaxes '
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'is not allowed in the same request.')
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raise exc.HTTPBadRequest(explanation=expl)
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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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image_uuid_specified)
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for bdm_dict in bdm]
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except exception.InvalidBDMFormat as e:
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raise exc.HTTPBadRequest(explanation=e.format_message())
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if block_device_mapping:
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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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create_kwargs['legacy_bdm'] = False
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def get_server_create_schema(self):
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return schema_block_device_mapping.server_create
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