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mirror of https://github.com/azlux/log2ram.git synced 2023-10-10 13:37:24 +02:00
log2ram/log2ram
Nick Daly 6d57e5fcef Remove log2ram log on startup, add usage. (#9)
Remove log2ram log on startup.
2016-12-02 01:26:09 +01:00

63 lines
1.2 KiB
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#!/bin/sh
SIZE=40M
USE_RSYNC=false
# 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 $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