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# Copyright 2013 OpenStack Foundation.
# All Rights Reserved.
#
# Licensed under the Apache License, Version 2.0 (the "License"); you may
# not use this file except in compliance with the License. You may obtain
# a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
# License for the specific language governing permissions and limitations
# under the License.
from __future__ import annotations
import errno
import os
class HostDriver(object):
def get_all_block_devices(self) -> list[str]:
"""Get the list of all block devices seen in /dev/disk/by-path/."""
dir = "/dev/disk/by-path/"
try:
files = os.listdir(dir)
except OSError as e:
if e.errno == errno.ENOENT:
files = []
else:
raise
devices = []
for file in files:
devices.append(dir + file)
return devices
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