34 lines
1.1 KiB
Python
34 lines
1.1 KiB
Python
# Copyright 2015 Rackspace Hosting, Inc.
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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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"""Support for mounting block device based images directly."""
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from nova.virt.disk.mount import api
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class BlockMount(api.Mount):
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"""Block device backed images do not need to be linked because
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they are already exposed as block devices and can be mounted
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directly.
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"""
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mode = 'block'
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def get_dev(self):
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self.device = self.image.path
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self.linked = True
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return True
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def unget_dev(self):
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self.linked = False
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self.device = None
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