-
-
Notifications
You must be signed in to change notification settings - Fork 3
/
mount_usb_memory.sh
executable file
·77 lines (67 loc) · 2.21 KB
/
mount_usb_memory.sh
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
#!/bin/bash
ACTION=$1
DEVBASE=$2
DEVICE="/dev/${DEVBASE}"
MOUNT_INFO=/proc/mounts
MOUNT_PARENT_PATH=/mnt/auto
SCRIPTPATH="$( cd -- "$(dirname "$0")" >/dev/null 2>&1 ; pwd -P )"
ScriptName="$(basename "$0")"
# See if this drive is already mounted
MOUNT_POINT=$(/usr/bin/mount | /usr/bin/grep ${DEVICE} | /usr/bin/awk '{ print $3 }')
do_mount()
{
if [[ -n ${MOUNT_POINT} ]]; then
# Already mounted, exit
logger "${ScriptName}: ${DEVICE} is already mounted at ${MOUNT_POINT}. Done"
exit 1
fi
# Get info for this drive: $ID_FS_LABEL, $ID_FS_UUID, and $ID_FS_TYPE
# Figure out a mount point to use
LABEL=$(lsblk -no label "${DEVICE}")
if [[ -z "${LABEL}" ]]; then
LABEL=${DEVBASE}
elif /bin/grep -q " ${MOUNT_PARENT_PATH}/${LABEL} " $MOUNT_INFO; then
# Already in use, make a unique one
LABEL+="-${DEVBASE}"
fi
MOUNT_POINT="${MOUNT_PARENT_PATH}/${LABEL}"
logger "${ScriptName}: Mounting ${DEVICE} at ${MOUNT_POINT} ..."
/usr/bin/mkdir -p ${MOUNT_POINT}
# Global mount options
OPTS="rw,relatime"
# File system type specific mount options
if [[ ${ID_FS_TYPE} == "vfat" ]]; then
OPTS+=",users,gid=100,umask=000,shortname=mixed,utf8=1,flush"
fi
if ! /usr/bin/mount -o ${OPTS} ${DEVICE} ${MOUNT_POINT}; then
# Error during mount process: cleanup mountpoint
logger "${ScriptName}: Error durring mount process. CleauUp & exit"
/usr/bin/rmdir ${MOUNT_POINT}
exit 1
fi
logger "${ScriptName}: ${DEVICE} - Mount done! Exit"
}
do_unmount()
{
if [[ -n ${MOUNT_POINT} ]]; then
/usr/bin/umount -l ${DEVICE}
fi
# Delete all empty dirs in MOUNT_PARENT_PATH that aren't being used as mount points.
for f in ${MOUNT_PARENT_PATH}/* ; do
if [[ -n $(/usr/bin/find "$f" -maxdepth 0 -type d -empty) ]]; then
if ! /usr/bin/grep -q " $f " $MOUNT_INFO; then
/usr/bin/rmdir "$f"
fi
fi
done
}
case "${ACTION}" in
add)
logger "${ScriptName}: ${DEVICE} - Action is 'add'"
do_mount
;;
remove)
logger "${ScriptName}: ${DEVICE} - Action is 'remove (umount)'"
do_unmount
;;
esac