37 lines
1.1 KiB
Python
37 lines
1.1 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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import errno
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import os
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class HostDriver(object):
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def get_all_block_devices(self):
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"""Get the list of all block devices seen in /dev/disk/by-path/."""
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dir = "/dev/disk/by-path/"
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try:
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files = os.listdir(dir)
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except OSError as e:
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if e.errno == errno.ENOENT:
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files = []
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else:
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raise
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devices = []
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for file in files:
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devices.append(dir + file)
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return devices
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