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uvol: try to be more shellcheck compliant, fix LVM vol-up 

* quotes around all variables
 * always use 'read -r' instead of 'read'
 * some more minor shellcheck fixes
 * reorder LVM ops for 'up' call to allow it to succeed

Signed-off-by: Daniel Golle <daniel@makrotopia.org>
This commit is contained in:
Daniel Golle 2021-05-15 23:30:23 +01:00
parent 4028878b2b
commit c7d1704feb
4 changed files with 97 additions and 91 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

30
utils/uvol/files/autopart.defaults
View File

@ -26,12 +26,12 @@ get_partition_by_name_gpt() {
} }
part_fixup() { part_fixup() {
echo "write" | sfdisk --force -q -w never $1 echo "write" | sfdisk --force -q -w never "$1"
} }
get_free_area() { get_free_area() {
local found= local found=
sfdisk -q -F "$1" 2>/dev/null | while read start end sectors size; do sfdisk -q -F "$1" 2>/dev/null | while read -r start end sectors size; do
case $start in case $start in
*"Unpartitioned"* | *"Units:"* | *"Sector"* | *"Start"* ) *"Unpartitioned"* | *"Units:"* | *"Sector"* | *"Start"* )
continue continue
@ -55,13 +55,13 @@ get_free_area() {
} }
create_lvm_part() { create_lvm_part() {
local disk=$1 local disk="$1"
local freepart local freepart
freepart="$(get_free_area $disk)" freepart="$(get_free_area "$disk")"
if [ "$freepart" ]; then if [ "$freepart" ]; then
echo "$freepart, type=lvm, name=$OWRT_VOLUMES" | sfdisk --force -w never -a $disk echo "$freepart, type=lvm, name=$OWRT_VOLUMES" | sfdisk --force -w never -a "$disk"
partx -a $disk 1>/dev/null 2>/dev/null || true partx -a "$disk" 1>/dev/null 2>/dev/null || true
return 0 return 0
else else
return 1 return 1
@ -69,8 +69,8 @@ create_lvm_part() {
} }
lvm_init() { lvm_init() {
lvm pvcreate -f $1 lvm pvcreate -f "$1"
lvm vgcreate "$2" $1 lvm vgcreate "$2" "$1"
lvm vgs lvm vgs
} }
@ -83,16 +83,16 @@ autopart_init() {
[ "$diskdev" ] || return [ "$diskdev" ] || return
[ -e "/sys/class/block/$diskdev/device/serial" ] && diskserial="$(cat /sys/class/block/$diskdev/device/serial)" [ -e "/sys/class/block/$diskdev/device/serial" ] && diskserial="$(cat "/sys/class/block/$diskdev/device/serial")"
[ -e "/sys/class/block/$diskdev/device/cid" ] && diskserial="$diskserial$(cat /sys/class/block/$diskdev/device/cid)" [ -e "/sys/class/block/$diskdev/device/cid" ] && diskserial="$diskserial$(cat "/sys/class/block/$diskdev/device/cid")"
[ "$diskserial" ] || diskserial="$(cat /proc/sys/kernel/random/uuid)" [ "$diskserial" ] || diskserial="$(cat /proc/sys/kernel/random/uuid)"
diskhash="$(echo $diskserial | sha256sum | cut -d' ' -f1)" diskhash="$(echo "$diskserial" | sha256sum | cut -d' ' -f1)"
part_fixup /dev/$diskdev part_fixup "/dev/$diskdev"
create_lvm_part /dev/$diskdev || return create_lvm_part "/dev/$diskdev" || return
lvmpart=$(get_partition_by_name_gpt $diskdev $OWRT_VOLUMES) lvmpart="$(get_partition_by_name_gpt "$diskdev" "$OWRT_VOLUMES")"
[ "$lvmpart" ] || return [ "$lvmpart" ] || return
lvm_init $lvmpart "${OWRT_VOLUMES}-${diskhash:0:16}" lvm_init "$lvmpart" "${OWRT_VOLUMES}-${diskhash:0:16}"
} }
autopart_init autopart_init

18
utils/uvol/files/lvm.sh
View File

@ -46,11 +46,11 @@ lvs() {
} }
freebytes() { freebytes() {
echo $(($vg_free_count * $vg_extent_size * 1024)) echo $((vg_free_count * vg_extent_size * 1024))
} }
totalbytes() { totalbytes() {
echo $(($vg_extent_count * $vg_extent_size * 1024)) echo $((vg_extent_count * vg_extent_size * 1024))
} }
existvol() { existvol() {
@ -148,12 +148,12 @@ exportlv() {
getdev() { getdev() {
existvol "$1" || return 1 existvol "$1" || return 1
exportlv "$1" exportlv "$1"
echo $lv_dm_path echo "$lv_dm_path"
} }
getsize() { getsize() {
exportlv "$1" exportlv "$1"
[ "$lv_size" ] && echo $lv_size [ "$lv_size" ] && echo "$lv_size"
} }
activatevol() { activatevol() {
@ -166,8 +166,8 @@ activatevol() {
;; ;;
*) *)
[ "$lv_active" = "active" ] && return 0 [ "$lv_active" = "active" ] && return 0
lvm_cmd lvchange -a y "$lv_full_name" || return $?
lvm_cmd lvchange -k n "$lv_full_name" || return $? lvm_cmd lvchange -k n "$lv_full_name" || return $?
lvm_cmd lvchange -a y "$lv_full_name" || return $?
ubus send block.volume "{\"name\": \"$1\", \"action\": \"up\", \"mode\": \"${lv_name:0:2}\", \"device\": \"$lv_dm_path\"}" ubus send block.volume "{\"name\": \"$1\", \"action\": \"up\", \"mode\": \"${lv_name:0:2}\", \"device\": \"$lv_dm_path\"}"
return 0 return 0
;; ;;
@ -222,7 +222,7 @@ createvol() {
;; ;;
esac esac
lvm_cmd lvcreate -p $lvmode -a n -y -W n -Z n -n "${mode}_$1" -l "$size_ext" $vg_name lvm_cmd lvcreate -p "$lvmode" -a n -y -W n -Z n -n "${mode}_$1" -l "$size_ext" "$vg_name"
ret=$? ret=$?
if [ ! $ret -eq 0 ] || [ "$lvmode" = "r" ]; then if [ ! $ret -eq 0 ] || [ "$lvmode" = "r" ]; then
return $ret return $ret
@ -230,7 +230,7 @@ createvol() {
exportlv "$1" exportlv "$1"
[ "$lv_full_name" ] || return 22 [ "$lv_full_name" ] || return 22
lvm_cmd lvchange -a y "$lv_full_name" || return 1 lvm_cmd lvchange -a y "$lv_full_name" || return 1
if [ $lv_size -gt $(( 100 * 1024 * 1024 )) ]; then if [ "$lv_size" -gt $(( 100 * 1024 * 1024 )) ]; then
mkfs.f2fs -f -l "$1" "$lv_path" mkfs.f2fs -f -l "$1" "$lv_path"
ret=$? ret=$?
[ $ret != 0 ] && [ $ret != 134 ] && return 1 [ $ret != 0 ] && [ $ret != 134 ] && return 1
@ -253,11 +253,11 @@ removevol() {
updatevol() { updatevol() {
exportlv "$1" exportlv "$1"
[ "$lv_full_name" ] || return 2 [ "$lv_full_name" ] || return 2
[ $lv_size -ge $2 ] || return 27 [ "$lv_size" -ge "$2" ] || return 27
case "$lv_path" in case "$lv_path" in
/dev/*/wo_*) /dev/*/wo_*)
lvm_cmd lvchange -a y -p rw "$lv_full_name" lvm_cmd lvchange -a y -p rw "$lv_full_name"
dd of=$lv_path dd of="$lv_path"
lvm_cmd lvchange -p r "$lv_full_name" lvm_cmd lvchange -p r "$lv_full_name"
lvm_cmd lvrename "$lv_full_name" "${lv_full_name%%/*}/ro_$1" lvm_cmd lvrename "$lv_full_name" "${lv_full_name%%/*}/ro_$1"
ubus send block.volume "{\"name\": \"$1\", \"action\": \"up\", \"mode\": \"ro\", \"device\": \"$(getdev "$@")\"}" ubus send block.volume "{\"name\": \"$1\", \"action\": \"up\", \"mode\": \"ro\", \"device\": \"$(getdev "$@")\"}"

138
utils/uvol/files/ubi.sh
View File

@ -9,28 +9,28 @@ if [ "$cmd" = "name" ]; then
fi fi
test -e /sys/class/ubi/version || return 0 test -e /sys/class/ubi/version || return 0
read ubiver < /sys/class/ubi/version read -r ubiver < /sys/class/ubi/version
[ "$ubiver" = "1" ] || return 1 [ "$ubiver" = "1" ] || return 1
test -e /sys/devices/virtual/ubi || return 0 test -e /sys/devices/virtual/ubi || return 0
ubidev=$(ls -1 /sys/devices/virtual/ubi | head -n 1) ubidev=$(ls -1 /sys/devices/virtual/ubi | head -n 1)
read ebsize < "/sys/devices/virtual/ubi/${ubidev}/eraseblock_size" read -r ebsize < "/sys/devices/virtual/ubi/${ubidev}/eraseblock_size"
freebytes() { freebytes() {
read availeb < "/sys/devices/virtual/ubi/${ubidev}/avail_eraseblocks" read -r availeb < "/sys/devices/virtual/ubi/${ubidev}/avail_eraseblocks"
echo $((availeb * ebsize)) echo $((availeb * ebsize))
} }
totalbytes() { totalbytes() {
read totaleb < "/sys/devices/virtual/ubi/${ubidev}/total_eraseblocks" read -r totaleb < "/sys/devices/virtual/ubi/${ubidev}/total_eraseblocks"
echo $((totaleb * ebsize)) echo $((totaleb * ebsize))
} }
getdev() { getdev() {
local voldir volname devname local voldir volname
for voldir in /sys/devices/virtual/ubi/${ubidev}/${ubidev}_*; do for voldir in "/sys/devices/virtual/ubi/${ubidev}/${ubidev}_"*; do
read volname < "${voldir}/name" read -r volname < "${voldir}/name"
case "$volname" in case "$volname" in
uvol-[rw][owpd]-$1) uvol-[rw][owpd]-$1)
basename "$voldir" basename "$voldir"
@ -46,7 +46,7 @@ getdev() {
vol_is_mode() { vol_is_mode() {
local voldev="$1" local voldev="$1"
local volname local volname
read volname < "/sys/devices/virtual/ubi/${ubidev}/${voldev}/name" read -r volname < "/sys/devices/virtual/ubi/${ubidev}/${voldev}/name"
case "$volname" in case "$volname" in
uvol-$2-*) uvol-$2-*)
return 0 return 0
@ -56,42 +56,45 @@ vol_is_mode() {
} }
getstatus() { getstatus() {
local voldev=$(getdev "$@") local voldev
voldev="$(getdev "$@")"
[ "$voldev" ] || return 2 [ "$voldev" ] || return 2
vol_is_mode $voldev wo && return 22 vol_is_mode "$voldev" wo && return 22
vol_is_mode $voldev wp && return 16 vol_is_mode "$voldev" wp && return 16
vol_is_mode $voldev wd && return 1 vol_is_mode "$voldev" wd && return 1
vol_is_mode $voldev ro && [ ! -e "/dev/ubiblock${voldev:3}" ] && return 1 vol_is_mode "$voldev" ro && [ ! -e "/dev/ubiblock${voldev:3}" ] && return 1
return 0 return 0
} }
getsize() { getsize() {
local voldev local voldev
voldev=$(getdev "$@") voldev="$(getdev "$@")"
[ "$voldev" ] || return 2 [ "$voldev" ] || return 2
cat /sys/devices/virtual/ubi/${ubidev}/${voldev}/data_bytes cat "/sys/devices/virtual/ubi/${ubidev}/${voldev}/data_bytes"
} }
getuserdev() { getuserdev() {
local voldev=$(getdev "$@") local voldev
voldev="$(getdev "$@")"
[ "$voldev" ] || return 2 [ "$voldev" ] || return 2
if vol_is_mode $voldev ro ; then if vol_is_mode "$voldev" ro ; then
echo "/dev/ubiblock${voldev:3}" echo "/dev/ubiblock${voldev:3}"
elif vol_is_mode $voldev rw ; then elif vol_is_mode "$voldev" rw ; then
echo "/dev/$voldev" echo "/dev/$voldev"
fi fi
} }
mkubifs() { mkubifs() {
local tmp_mp=$(mktemp -d) local tmp_mp
mount -t ubifs $1 $tmp_mp tmp_mp="$(mktemp -d)"
umount $tmp_mp mount -t ubifs "$1" "$tmp_mp"
rmdir $tmp_mp umount "$tmp_mp"
rmdir "$tmp_mp"
} }
createvol() { createvol() {
local mode ret local mode ret voldev
local voldev=$(getdev "$@") voldev=$(getdev "$@")
[ "$voldev" ] && return 17 [ "$voldev" ] && return 17
case "$3" in case "$3" in
ro|wo) ro|wo)
@ -104,105 +107,108 @@ createvol() {
return 22 return 22
;; ;;
esac esac
ubimkvol /dev/$ubidev -N "uvol-$mode-$1" -s "$2" ubimkvol "/dev/$ubidev" -N "uvol-$mode-$1" -s "$2"
ret=$? ret=$?
[ $ret -eq 0 ] || return $ret [ $ret -eq 0 ] || return $ret
voldev=$(getdev "$@") voldev="$(getdev "$@")"
ubiupdatevol -t /dev/$voldev ubiupdatevol -t "/dev/$voldev"
[ "$mode" = "wp" ] || return 0 [ "$mode" = "wp" ] || return 0
mkubifs /dev/$voldev mkubifs "/dev/$voldev"
ubirename /dev/$ubidev uvol-wp-$1 uvol-rw-$1 ubirename "/dev/$ubidev" "uvol-wp-$1" "uvol-rw-$1"
ubus send block.volume "{\"name\": \"$1\", \"action\": \"up\", \"mode\": \"rw\", \"fstype\": \"ubifs\", \"device\": \"/dev/$voldev\"}" ubus send block.volume "{\"name\": \"$1\", \"action\": \"up\", \"mode\": \"rw\", \"fstype\": \"ubifs\", \"device\": \"/dev/$voldev\"}"
} }
removevol() { removevol() {
local voldev=$(getdev "$@") local voldev evdata
local evdata voldev=$(getdev "$@")
[ "$voldev" ] || return 2 [ "$voldev" ] || return 2
if vol_is_mode $voldev rw ; then if vol_is_mode "$voldev" rw ; then
evdata="{\"name\": \"$1\", \"action\": \"down\", \"device\": \"/dev/$voldev\"}" evdata="{\"name\": \"$1\", \"action\": \"down\", \"device\": \"/dev/$voldev\"}"
elif vol_is_mode $voldev ro && [ -e "/dev/ubiblock${voldev:3}" ]; then elif vol_is_mode "$voldev" ro && [ -e "/dev/ubiblock${voldev:3}" ]; then
evdata="{\"name\": \"$1\", \"action\": \"down\", \"device\": \"/dev/ubiblock${voldev:3}\"}" evdata="{\"name\": \"$1\", \"action\": \"down\", \"device\": \"/dev/ubiblock${voldev:3}\"}"
fi fi
local volnum=${voldev#${ubidev}_} local volnum="${voldev#${ubidev}_}"
ubirmvol /dev/$ubidev -n $volnum || return $? ubirmvol "/dev/$ubidev" -n "$volnum" || return $?
[ "$evdata" ] && ubus send block.volume "$evdata" [ "$evdata" ] && ubus send block.volume "$evdata"
} }
activatevol() { activatevol() {
local voldev=$(getdev "$@") local voldev
voldev="$(getdev "$@")"
[ "$voldev" ] || return 2 [ "$voldev" ] || return 2
vol_is_mode $voldev rw && return 0 vol_is_mode "$voldev" rw && return 0
vol_is_mode $voldev wo && return 22 vol_is_mode "$voldev" wo && return 22
vol_is_mode $voldev wp && return 16 vol_is_mode "$voldev" wp && return 16
if vol_is_mode $voldev ro; then if vol_is_mode "$voldev" ro; then
[ -e "/dev/ubiblock${voldev:3}" ] && return 0 [ -e "/dev/ubiblock${voldev:3}" ] && return 0
ubiblock --create /dev/$voldev ubiblock --create "/dev/$voldev"
ubus send block.volume "{\"name\": \"$1\", \"action\": \"up\", \"mode\": \"ro\", \"device\": \"/dev/ubiblock${voldev:3}\"}" ubus send block.volume "{\"name\": \"$1\", \"action\": \"up\", \"mode\": \"ro\", \"device\": \"/dev/ubiblock${voldev:3}\"}"
return 0 return 0
elif vol_is_mode $voldev wd; then elif vol_is_mode "$voldev" wd; then
ubirename /dev/$ubidev uvol-wd-$1 uvol-rw-$1 ubirename "/dev/$ubidev" "uvol-wd-$1" "uvol-rw-$1"
ubus send block.volume "{\"name\": \"$1\", \"action\": \"up\", \"mode\": \"rw\", \"fstype\": \"ubifs\", \"device\": \"/dev/$voldev\"}" ubus send block.volume "{\"name\": \"$1\", \"action\": \"up\", \"mode\": \"rw\", \"fstype\": \"ubifs\", \"device\": \"/dev/$voldev\"}"
return 0 return 0
fi fi
} }
disactivatevol() { disactivatevol() {
local voldev=$(getdev "$@") local voldev
voldev="$(getdev "$@")"
[ "$voldev" ] || return 2 [ "$voldev" ] || return 2
vol_is_mode $voldev wo && return 22 vol_is_mode "$voldev" wo && return 22
vol_is_mode $voldev wp && return 16 vol_is_mode "$voldev" wp && return 16
if vol_is_mode $voldev ro; then if vol_is_mode "$voldev" ro; then
[ -e "/dev/ubiblock${voldev:3}" ] || return 0 [ -e "/dev/ubiblock${voldev:3}" ] || return 0
ubiblock --remove /dev/$voldev || return $? ubiblock --remove "/dev/$voldev" || return $?
ubus send block.volume "{\"name\": \"$1\", \"action\": \"down\", \"mode\": \"ro\", \"device\": \"/dev/ubiblock${voldev:3}\"}" ubus send block.volume "{\"name\": \"$1\", \"action\": \"down\", \"mode\": \"ro\", \"device\": \"/dev/ubiblock${voldev:3}\"}"
return 0 return 0
elif vol_is_mode $voldev rw; then elif vol_is_mode "$voldev" rw; then
ubirename /dev/$ubidev uvol-rw-$1 uvol-wd-$1 || return $? ubirename "/dev/$ubidev" "uvol-rw-$1" "uvol-wd-$1" || return $?
ubus send block.volume "{\"name\": \"$1\", \"action\": \"down\", \"mode\": \"rw\", \"device\": \"/dev/$voldev\"}" ubus send block.volume "{\"name\": \"$1\", \"action\": \"down\", \"mode\": \"rw\", \"device\": \"/dev/$voldev\"}"
return 0 return 0
fi fi
} }
updatevol() { updatevol() {
local voldev=$(getdev "$@") local voldev
voldev="$(getdev "$@")"
[ "$voldev" ] || return 2 [ "$voldev" ] || return 2
[ "$2" ] || return 22 [ "$2" ] || return 22
vol_is_mode $voldev wo || return 22 vol_is_mode "$voldev" wo || return 22
ubiupdatevol -s $2 /dev/$voldev - ubiupdatevol -s "$2" "/dev/$voldev" -
ubirename /dev/$ubidev uvol-wo-$1 uvol-ro-$1 ubirename "/dev/$ubidev" "uvol-wo-$1" "uvol-ro-$1"
ubiblock --create /dev/$voldev ubiblock --create "/dev/$voldev"
ubus send block.volume "{\"name\": \"$1\", \"action\": \"up\", \"mode\": \"ro\", \"device\": \"/dev/ubiblock${voldev:3}\"}" ubus send block.volume "{\"name\": \"$1\", \"action\": \"up\", \"mode\": \"ro\", \"device\": \"/dev/ubiblock${voldev:3}\"}"
} }
listvols() { listvols() {
local volname volmode volsize local volname volmode volsize
for voldir in /sys/devices/virtual/ubi/${ubidev}/${ubidev}_*; do for voldir in "/sys/devices/virtual/ubi/${ubidev}/${ubidev}_"*; do
read volname < $voldir/name read -r volname < "$voldir/name"
case "$volname" in case "$volname" in
uvol-[rw][wod]*) uvol-[rw][wod]*)
read volsize < $voldir/data_bytes read -r volsize < "$voldir/data_bytes"
;; ;;
*) *)
continue continue
;; ;;
esac esac
volmode=${volname:5:2} volmode="${volname:5:2}"
volname=${volname:8} volname="${volname:8}"
echo "$volname $volmode $volsize" echo "$volname $volmode $volsize"
done done
} }
bootvols() { bootvols() {
local volname volmode volsize voldev fstype local volname volmode volsize voldev fstype
for voldir in /sys/devices/virtual/ubi/${ubidev}/${ubidev}_*; do for voldir in "/sys/devices/virtual/ubi/${ubidev}/${ubidev}_"*; do
read volname < $voldir/name read -r volname < "$voldir/name"
voldev=$(basename $voldir) voldev="$(basename "$voldir")"
fstype= fstype=
case "$volname" in case "$volname" in
uvol-ro-*) uvol-ro-*)
voldev="/dev/ubiblock${voldev:3}" voldev="/dev/ubiblock${voldev:3}"
ubiblock --create /dev/$voldev ubiblock --create "/dev/$voldev"
;; ;;
uvol-rw-*) uvol-rw-*)
voldev="/dev/$voldev" voldev="/dev/$voldev"
@ -212,8 +218,8 @@ bootvols() {
continue continue
;; ;;
esac esac
volmode=${volname:5:2} volmode="${volname:5:2}"
volname=${volname:8} volname="${volname:8}"
ubus send block.volume "{\"name\": \"$volname\", \"action\": \"up\", \"mode\": \"$volmode\",${fstype:+ \"fstype\": \"$fstype\", }\"device\": \"$voldev\"}" ubus send block.volume "{\"name\": \"$volname\", \"action\": \"up\", \"mode\": \"$volmode\",${fstype:+ \"fstype\": \"$fstype\", }\"device\": \"$voldev\"}"
done done
} }

2
utils/uvol/files/uvol
View File

@ -49,4 +49,4 @@ if [ -z "$uvol_backend" ]; then
return 2 return 2
fi fi
flock -x /tmp/run/uvol.lock $uvol_backend "$@" flock -x /tmp/run/uvol.lock "$uvol_backend" "$@"