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Support path with spaces (#130)

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* Add quotes and support path with spaces
* Using findmnt instead of mount | grep
findmnt is part of util-linux and should be available on almost all systems
This commit is contained in:
MegaV0lt 2020-09-30 09:52:39 +02:00 committed by GitHub
parent 00a929d88c
commit 549288f8d4
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GPG Key ID: 4AEE18F83AFDEB23
1 changed files with 48 additions and 48 deletions
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log2ram
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@ -3,29 +3,29 @@
. /etc/log2ram.conf
if [ -z "$PATH_DISK" ]; then
PATH_DISK="/var/log"
PATH_DISK='/var/log'
fi
LOG_NAME="log2ram.log"
LOG_NAME='log2ram.log'
isSafe () {
[ -d $HDD_LOG/ ] || echo "ERROR: $HDD_LOG/ doesn't exist! Can't sync."
[ -d $HDD_LOG/ ] || exit 1
[ -d "$HDD_LOG" ] || echo "ERROR: $HDD_LOG/ doesn't exist! Can't sync."
[ -d "$HDD_LOG" ] || exit 1
}
remountOriginal() {
OPTION=$1
mount -o remount,${OPTION} ${HDD_LOG}
OPTION="$1"
mount -o remount,"$OPTION" "$HDD_LOG"
}
syncToDisk () {
isSafe
if [ -x "$(command -v rsync)" ]; then
rsync -aXv --inplace --no-whole-file --delete-after $RAM_LOG/ $HDD_LOG/ 2>&1 | tee -a $LOG2RAM_LOG
rsync -aXv --inplace --no-whole-file --delete-after "$RAM_LOG"/ "$HDD_LOG"/ 2>&1 | tee -a "$LOG2RAM_LOG"
else
cp -rfup $RAM_LOG/ -T $HDD_LOG/ 2>&1 | tee -a $LOG2RAM_LOG
cp -rfup "$RAM_LOG"/ -T "$HDD_LOG"/ 2>&1 | tee -a "$LOG2RAM_LOG"
fi
}
@ -37,27 +37,27 @@ syncFromDisk () {
TP_SIZE=$LOG_DISK_SIZE
fi
if [ ! -z "$(du -sh -t "$TP_SIZE" $HDD_LOG/ | cut -f1)" ]; then
echo "ERROR: RAM disk for "$HDD_LOG/" too small. Can't sync."
umount -l $RAM_LOG/
umount -l $HDD_LOG/
if [ -n "$(du -sh -t "$TP_SIZE" "$HDD_LOG"/ | cut -f1)" ]; then
echo "ERROR: RAM disk for \"$HDD_LOG/\" too small. Can't sync."
umount -l "$RAM_LOG"/
umount -l "$HDD_LOG"/
if [ "$MAIL" = true ]; then
echo "LOG2RAM : No place on RAM for "$HDD_LOG/" anymore, fallback on the disk" | mail -s 'Log2Ram Error' root;
echo "LOG2RAM : No place on RAM for \"$HDD_LOG/\" anymore, fallback on the disk" | mail -s 'Log2Ram Error' root;
fi
exit 1
fi
if [ -x "$(command -v rsync)" ]; then
rsync -aXv --inplace --no-whole-file --delete-after $HDD_LOG/ $RAM_LOG/ 2>&1 | tee -a $LOG2RAM_LOG
rsync -aXv --inplace --no-whole-file --delete-after "$HDD_LOG"/ "$RAM_LOG"/ 2>&1 | tee -a "$LOG2RAM_LOG"
else
cp -rfup $HDD_LOG/ -T $RAM_LOG/ 2>&1 | tee -a $LOG2RAM_LOG
cp -rfup "$HDD_LOG"/ -T "$RAM_LOG"/ 2>&1 | tee -a "$LOG2RAM_LOG"
fi
}
wait_for () {
while ! grep -qs "$1" /proc/mounts; do
sleep 0.1
while ! findmnt "$1" > /dev/null; do
sleep 0.1
done
}
@ -69,39 +69,39 @@ createZramLogDrive () {
else
RAM_DEV=$(cat /sys/class/zram-control/hot_add)
fi
echo ${COMP_ALG} > /sys/block/zram${RAM_DEV}/comp_algorithm
echo ${LOG_DISK_SIZE} > /sys/block/zram${RAM_DEV}/disksize
echo ${SIZE} > /sys/block/zram${RAM_DEV}/mem_limit
mke2fs -t ext4 /dev/zram${RAM_DEV}
echo "$COMP_ALG" > "/sys/block/zram${RAM_DEV}/comp_algorithm"
echo "$LOG_DISK_SIZE" > "/sys/block/zram${RAM_DEV}/disksize"
echo "$SIZE" > "/sys/block/zram${RAM_DEV}/mem_limit"
mke2fs -t ext4 "/dev/zram${RAM_DEV}"
}
make_log_dir () {
[ -d $HDD_LOG/ ] || mkdir $HDD_LOG/
[ -d "$HDD_LOG" ] || mkdir "$HDD_LOG"
}
case "$1" in
start)
IFS=';'
for i in $PATH_DISK; do
PATH_FIRST_PART=$( echo ${i%/*} )
PATH_LAST_PART=$( echo ${i##/*/} )
RAM_LOG=$i
HDD_LOG=$PATH_FIRST_PART/hdd.$PATH_LAST_PART
PATH_FIRST_PART="${i%/*}"
PATH_LAST_PART="${i##/*/}"
RAM_LOG="$i"
HDD_LOG="${PATH_FIRST_PART}/hdd.${PATH_LAST_PART}"
LOG2RAM_LOG="${RAM_LOG}/${LOG_NAME}"
make_log_dir
mount --bind $RAM_LOG/ $HDD_LOG/
mount --make-private $HDD_LOG/
wait_for $HDD_LOG
mount --bind "$RAM_LOG"/ "$HDD_LOG"/
mount --make-private "$HDD_LOG"/
wait_for "$HDD_LOG"
if [ "$ZL2R" = true ]; then
createZramLogDrive
mount -t ext4 -o nosuid,noexec,noatime,nodev,user=log2ram /dev/zram${RAM_DEV} ${RAM_LOG}/
mount -t ext4 -o nosuid,noexec,noatime,nodev,user=log2ram "/dev/zram${RAM_DEV}" "$RAM_LOG"/
else
mount -t tmpfs -o nosuid,noexec,noatime,nodev,mode=0755,size=${SIZE} log2ram $RAM_LOG/
mount -t tmpfs -o "nosuid,noexec,noatime,nodev,mode=0755,size=${SIZE}" log2ram "$RAM_LOG"/
fi
wait_for $RAM_LOG
wait_for "$RAM_LOG"
syncFromDisk
done
;;
@ -109,17 +109,17 @@ case "$1" in
stop)
IFS=';'
for i in $PATH_DISK; do
PATH_FIRST_PART=$( echo ${i%/*} )
PATH_LAST_PART=$( echo ${i##/*/} )
RAM_LOG=$i
HDD_LOG=$PATH_FIRST_PART/hdd.$PATH_LAST_PART
PATH_FIRST_PART="${i%/*}"
PATH_LAST_PART="${i##/*/}"
RAM_LOG="$i"
HDD_LOG="${PATH_FIRST_PART}/hdd.${PATH_LAST_PART}"
LOG2RAM_LOG="${RAM_LOG}/${LOG_NAME}"
syncToDisk
#ZRAM_LOG=$(awk '$2 == "/var/log" {print $1}' /proc/mounts)
#ZRAM_LOG=$(echo ${ZRAM_LOG} | grep -o -E '[0-9]+')
umount -l $RAM_LOG/
umount -l $HDD_LOG/
umount -l "$RAM_LOG"/
umount -l "$HDD_LOG"/
# Unsure as even with Root permision denied
#echo ${ZRAM_LOG} > /sys/class/zram-control/hot_remove
done
@ -128,10 +128,10 @@ case "$1" in
write)
IFS=';'
for i in $PATH_DISK; do
PATH_FIRST_PART=$( echo ${i%/*} )
PATH_LAST_PART=$( echo ${i##/*/} )
RAM_LOG=$i
HDD_LOG=$PATH_FIRST_PART/hdd.$PATH_LAST_PART
PATH_FIRST_PART="${i%/*}"
PATH_LAST_PART="${i##/*/}"
RAM_LOG="$i"
HDD_LOG="${PATH_FIRST_PART}/hdd.${PATH_LAST_PART}"
LOG2RAM_LOG="${RAM_LOG}/${LOG_NAME}"
syncToDisk
@ -139,7 +139,7 @@ case "$1" in
;;
*)
echo "Usage: log2ram {start|stop|write}" >&2
echo 'Usage: log2ram {start|stop|write}' >&2
exit 1
;;
esac