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# Copyright (c) 2010 Alon Swartz <alon@turnkeylinux.org>
#
# This program is free software; you can redistribute it and/or
# modify it under the terms of the GNU General Public License as
# published by the Free Software Foundation; either version 2 of
# the License, or (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty 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, see <http://www.gnu.org/licenses/>.
import os
from os.path import *
import pwd
import udevdb
from executil import system
from utils import config, log, is_mounted, mount
def ebsmount_add(devname, mountdir):
"""ebs device attached"""
matching_devices = []
for device in udevdb.query():
if device.name.startswith(basename(devname)):
matching_devices.append(device)
for device in matching_devices:
devpath = join('/dev', device.name)
mountpath = join(mountdir, device.env.get('ID_FS_UUID', devpath[-1])[:6])
mountoptions = ",".join(config.mountoptions.split())
hookspath = join(mountpath, ".ebsmount")
filesystem = device.env.get('ID_FS_TYPE', None)
if not filesystem:
log(devname, "could not identify filesystem: %s" % devpath)
continue
if not filesystem in config.filesystems.split():
log(devname, "filesystem (%s) not supported: %s" % (filesystem,devpath))
continue
if is_mounted(devpath):
log(devname, "already mounted: %s" % devpath)
continue
mount(devpath, mountpath, mountoptions)
log(devname, "mounted %s %s (%s)" % (devpath, mountpath, mountoptions))
if exists(hookspath):
hooks = os.listdir(hookspath)
hooks.sort()
if hooks and not config.runhooks.lower() == "true":
log(devname, "skipping hooks: RUNHOOKS not set to True")
continue
for file in hooks:
fpath = join(hookspath, file)
if not os.access(fpath, os.X_OK):
log(devname, "skipping hook: '%s', not executable" % file)
continue
if not os.stat(fpath).st_uid == 0 or not os.stat(fpath).st_gid == 0:
log(devname, "skipping hook: '%s', not owned root:root" % file)
continue
log(devname, "executing hook: %s" % file)
os.environ['HOME'] = pwd.getpwuid(os.getuid()).pw_dir
os.environ['MOUNTPOINT'] = mountpath
system("/bin/bash --login -c '%s' 2>&1 | tee -a %s" % (fpath, config.logfile))
def ebsmount_remove(devname, mountdir):
"""ebs device detached"""
mounted = False
for d in os.listdir(mountdir):
path = join(mountdir, d)
if is_mounted(path):
mounted = True
continue
os.rmdir(path)
if not mounted:
os.rmdir(mountdir)
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