/usr/lib/python2.7/dist-packages/os_win/utils/storage/diskutils.py is in python-os-win 0.4.1-2.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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# 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 re
from oslo_log import log as logging
from os_win._i18n import _
from os_win import _utils
from os_win import exceptions
from os_win.utils import baseutils
LOG = logging.getLogger(__name__)
class DiskUtils(baseutils.BaseUtils):
_wmi_namespace = 'root/microsoft/windows/storage'
def __init__(self):
self._conn_storage = self._get_wmi_conn(self._wmi_namespace)
# Physical device names look like \\.\PHYSICALDRIVE1
self._phys_dev_name_regex = re.compile(r'\\\\.*\\[a-zA-Z]*([\d]+)')
def _get_disk(self, disk_number):
disk = self._conn_storage.Msft_Disk(Number=disk_number)
if not disk:
err_msg = _("Could not find the disk number %s")
raise exceptions.DiskNotFound(err_msg % disk_number)
return disk[0]
def get_disk_uid_and_uid_type(self, disk_number):
disk = self._get_disk(disk_number)
return disk.UniqueId, disk.UniqueIdFormat
def refresh_disk(self, disk_number):
disk = self._get_disk(disk_number)
disk.Refresh()
def get_device_number_from_device_name(self, device_name):
matches = self._phys_dev_name_regex.findall(device_name)
if matches:
return matches[0]
err_msg = _("Could not find device number for device: %s")
raise exceptions.DiskNotFound(err_msg % device_name)
def rescan_disks(self):
# TODO(lpetrut): find a better way to do this.
cmd = ("cmd", "/c", "echo", "rescan", "|", "diskpart.exe")
_utils.execute(*cmd)
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