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import sys
from subprocess import call
import syslog
def do_umount(target):
mounts = get_mounted(target)
if mounts:
syslog.syslog(f"Unmounting all partitions of {target}.")
for mount in mounts:
device = mount[0]
syslog.syslog(f"Trying to unmount {device}...")
try:
retcode = call(f"umount {device}", shell=True)
if retcode < 0:
error = str(retcode)
syslog.syslog(f"Error, umount {device} was terminated by signal {error}")
sys.exit(6)
else:
if retcode == 0:
syslog.syslog(f"{device} successfully unmounted")
else:
syslog.syslog(f"Error, umount {device} returned 0")
sys.exit(6)
except OSError as e:
error = str(e)
syslog.syslog(f"Execution failed: {error}")
sys.exit(6)
def get_mounted(target):
try:
lines = [line.strip("\n").split(" ") for line in open ("/etc/mtab", "r").readlines()]
return [mount for mount in lines if mount[0].startswith(target)]
except:
syslog.syslog('Could not read mtab!')
sys.exit(6)
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