27109fde35
XDG cache (or browser cache in RAM) will be tested and implemented later, and this implementation will be available in the git history for reference
72 lines
1.4 KiB
Bash
72 lines
1.4 KiB
Bash
#!/bin/sh
|
|
|
|
# Source: https://github.com/azlux/log2ram
|
|
# License: MIT
|
|
# License file: /usr/share/log2ram/LICENSE
|
|
|
|
SIZE=40M
|
|
USE_RSYNC=false
|
|
ENABLED=false
|
|
|
|
[ -f /etc/default/log2ram ] && . /etc/default/log2ram
|
|
|
|
[ "$ENABLED" != true ] && exit 0
|
|
|
|
# don't touch anything below here.
|
|
|
|
HDD_LOG=/var/log.hdd/
|
|
RAM_LOG=/var/log/
|
|
LOG2RAM_LOG="${HDD_LOG}log2ram.log"
|
|
LOG_OUTPUT="tee -a $LOG2RAM_LOG"
|
|
|
|
isSafe () {
|
|
[ -d $HDD_LOG ] || echo "ERROR: $HDD_LOG doesn't exist! Can't sync."
|
|
[ -d $HDD_LOG ] || exit 1
|
|
}
|
|
|
|
syncToDisk () {
|
|
isSafe
|
|
|
|
if [ "$USE_RSYNC" = true ]; then
|
|
rsync -aXWv --delete --exclude log2ram.log --links $RAM_LOG $HDD_LOG 2>&1 | $LOG_OUTPUT
|
|
else
|
|
cp -rfup $RAM_LOG -T $HDD_LOG 2>&1 | $LOG_OUTPUT
|
|
fi
|
|
}
|
|
|
|
syncFromDisk () {
|
|
isSafe
|
|
|
|
if [ "$USE_RSYNC" = true ]; then
|
|
rsync -aXWv --delete --exclude log2ram.log --links $HDD_LOG $RAM_LOG 2>&1 | $LOG_OUTPUT
|
|
else
|
|
cp -rfup $HDD_LOG -T $RAM_LOG 2>&1 | $LOG_OUTPUT
|
|
fi
|
|
}
|
|
|
|
|
|
case "$1" in
|
|
start)
|
|
[ -d $HDD_LOG ] || mkdir $HDD_LOG
|
|
rm -f $LOG2RAM_LOG
|
|
mount --bind $RAM_LOG $HDD_LOG
|
|
mount --make-private $HDD_LOG
|
|
mount -t tmpfs -o nosuid,noexec,nodev,mode=0755,size=$SIZE log2ram $RAM_LOG
|
|
syncFromDisk
|
|
;;
|
|
|
|
stop)
|
|
syncToDisk
|
|
umount -l $RAM_LOG
|
|
umount -l $HDD_LOG
|
|
;;
|
|
|
|
write)
|
|
syncToDisk
|
|
;;
|
|
*)
|
|
echo "Usage: log2ram {start|stop|write}" >&2
|
|
exit 1
|
|
;;
|
|
esac
|