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Diffstat (limited to 'pyanaconda/baseudev.py')
-rw-r--r-- | pyanaconda/baseudev.py | 95 |
1 files changed, 0 insertions, 95 deletions
diff --git a/pyanaconda/baseudev.py b/pyanaconda/baseudev.py deleted file mode 100644 index cd8d0168e..000000000 --- a/pyanaconda/baseudev.py +++ /dev/null @@ -1,95 +0,0 @@ -# udev.py -# Python module for querying the udev database for device information. -# -# Copyright (C) 2009 Red Hat, Inc. -# -# This copyrighted material is made available to anyone wishing to use, -# modify, copy, or redistribute it subject to the terms and conditions of -# the GNU General Public License v.2, or (at your option) any later version. -# This program is distributed in the hope that it will be useful, but WITHOUT -# ANY WARRANTY expressed or implied, including the implied warranties of -# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General -# Public License for more details. You should have received a copy of the -# GNU General Public License along with this program; if not, write to the -# Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA -# 02110-1301, USA. Any Red Hat trademarks that are incorporated in the -# source code or documentation are not subject to the GNU General Public -# License and may only be used or replicated with the express permission of -# Red Hat, Inc. -# -# Red Hat Author(s): Dave Lehman <dlehman@redhat.com> -# Chris Lumens <clumens@redhat.com> -# - -import iutil -import os - -import pyudev -global_udev = pyudev.Udev() - -import logging -log = logging.getLogger("storage") - -def udev_enumerate_devices(deviceClass="block"): - devices = global_udev.enumerate_devices(subsystem=deviceClass) - return [path[4:] for path in devices] - -def udev_get_device(sysfs_path): - if not os.path.exists("/sys%s" % sysfs_path): - log.debug("%s does not exist" % sysfs_path) - return None - - # XXX we remove the /sys part when enumerating devices, - # so we have to prepend it when creating the device - dev = global_udev.create_device("/sys" + sysfs_path) - - if dev: - dev["name"] = dev.sysname - dev["sysfs_path"] = sysfs_path - - # now add in the contents of the uevent file since they're handy - dev = udev_parse_uevent_file(dev) - - return dev - -def udev_get_devices(deviceClass="block"): - udev_settle() - entries = [] - for path in udev_enumerate_devices(deviceClass): - entry = udev_get_device(path) - if entry: - entries.append(entry) - return entries - -def udev_parse_uevent_file(dev): - path = os.path.normpath("/sys/%s/uevent" % dev['sysfs_path']) - if not os.access(path, os.R_OK): - return dev - - with open(path) as f: - for line in f.readlines(): - (key, equals, value) = line.strip().partition("=") - if not equals: - continue - - dev[key] = value - - return dev - -def udev_settle(): - # wait maximal 300 seconds for udev to be done running blkid, lvm, - # mdadm etc. This large timeout is needed when running on machines with - # lots of disks, or with slow disks - argv = ["settle", "--timeout=300"] - - iutil.execWithRedirect("udevadm", argv) - -def udev_trigger(subsystem=None, action="add", name=None): - argv = ["trigger", "--action=%s" % action] - if subsystem: - argv.append("--subsystem-match=%s" % subsystem) - if name: - argv.append("--sysname-match=%s" % name) - - iutil.execWithRedirect("udevadm", argv) - udev_settle() |