e00ce84629
If udev deletes the directory between the check and access then we have an exception thrown. Instead of checking, just list the directory and handle the exception in case it doesn't exist. Co-Authored-By: Jordan Pittier <jordan.pittier@scality.com> Change-Id: I52143923d2407b3d43eccf5d3c51526a92d1e3c5 Closes-Bug: 1478473
37 lines
1.1 KiB
Python
37 lines
1.1 KiB
Python
# 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.
|
|
|
|
import errno
|
|
import os
|
|
|
|
|
|
class HostDriver(object):
|
|
|
|
def get_all_block_devices(self):
|
|
"""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
|