62 lines
1.8 KiB
Python
62 lines
1.8 KiB
Python
# Copyright (c) 2020 Dell Inc. or its subsidiaries.
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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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import base64
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import binascii
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import math
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from oslo_log import log as logging
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from oslo_utils import units
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from packaging import version
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LOG = logging.getLogger(__name__)
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def version_gte(ver1, ver2):
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return version.parse(ver1) >= version.parse(ver2)
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def convert_kb_to_gib(size):
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return int(math.floor(float(size) / units.Mi))
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def id_to_base64(_id):
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# Base64 encode the id to get a volume name less than 32 characters due
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# to PowerFlex limitation.
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name = str(_id).replace("-", "")
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try:
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name = base64.b16decode(name.upper())
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except (TypeError, binascii.Error):
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pass
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if isinstance(name, str):
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name = name.encode()
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encoded_name = base64.b64encode(name).decode()
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LOG.debug("Converted id %(id)s to PowerFlex OS name %(name)s.",
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{"id": _id, "name": encoded_name})
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return encoded_name
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def round_to_num_gran(size, num=8):
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"""Round size to nearest value that is multiple of `num`."""
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if size % num == 0:
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return size
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return size + num - (size % num)
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def round_down_to_num_gran(size, num=8):
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"""Round size down to nearest value that is multiple of `num`."""
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return size - (size % num)
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