64 lines
2.0 KiB
Python
64 lines
2.0 KiB
Python
# Copyright 2015 Huawei Technology corp.
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# Copyright 2015 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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from oslo_config import cfg
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ephemeral_storage_encryption_group = cfg.OptGroup(
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name='ephemeral_storage_encryption',
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title='Ephemeral storage encryption options')
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ephemeral_storage_encryption_opts = [
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cfg.BoolOpt('enabled',
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default=False,
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help="""
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Enables/disables LVM ephemeral storage encryption.
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"""),
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cfg.StrOpt('cipher',
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default='aes-xts-plain64',
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help="""
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Cipher-mode string to be used.
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The cipher and mode to be used to encrypt ephemeral storage. The set of
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cipher-mode combinations available depends on kernel support. According
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to the dm-crypt documentation, the cipher is expected to be in the format:
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"<cipher>-<chainmode>-<ivmode>".
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Possible values:
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* Any crypto option listed in ``/proc/crypto``.
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"""),
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cfg.IntOpt('key_size',
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default=512,
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min=1,
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help="""
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Encryption key length in bits.
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The bit length of the encryption key to be used to encrypt ephemeral storage.
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In XTS mode only half of the bits are used for encryption key.
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"""),
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]
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def register_opts(conf):
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conf.register_group(ephemeral_storage_encryption_group)
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conf.register_opts(ephemeral_storage_encryption_opts,
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group=ephemeral_storage_encryption_group)
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def list_opts():
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return {ephemeral_storage_encryption_group:
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ephemeral_storage_encryption_opts}
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