2018-02-16 01:03:18 +01:00
|
|
|
#!/usr/bin/env sh
|
2016-04-18 12:05:19 +02:00
|
|
|
|
2017-05-02 15:13:05 +02:00
|
|
|
. /etc/log2ram.conf
|
2016-12-02 01:26:09 +01:00
|
|
|
|
2017-10-02 20:37:46 +02:00
|
|
|
HDD_LOG=/var/hdd.log
|
|
|
|
RAM_LOG=/var/log
|
|
|
|
|
2017-12-07 17:42:40 +01:00
|
|
|
LOG_NAME="log2ram.log"
|
2017-12-20 10:56:05 +01:00
|
|
|
LOG2RAM_LOG="${RAM_LOG}/${LOG_NAME}"
|
2016-12-01 01:27:06 +01:00
|
|
|
LOG_OUTPUT="tee -a $LOG2RAM_LOG"
|
|
|
|
|
2016-12-02 01:26:09 +01:00
|
|
|
isSafe () {
|
2017-12-07 17:42:40 +01:00
|
|
|
[ -d $HDD_LOG/ ] || echo "ERROR: $HDD_LOG/ doesn't exist! Can't sync."
|
2017-10-02 20:37:46 +02:00
|
|
|
[ -d $HDD_LOG/ ] || exit 1
|
2016-12-02 01:26:09 +01:00
|
|
|
}
|
|
|
|
|
|
|
|
syncToDisk () {
|
|
|
|
isSafe
|
2016-12-01 01:27:06 +01:00
|
|
|
|
|
|
|
if [ "$USE_RSYNC" = true ]; then
|
2017-12-20 10:56:05 +01:00
|
|
|
rsync -aXWv --delete --links $RAM_LOG/ $HDD_LOG/ 2>&1 | $LOG_OUTPUT
|
2016-12-01 01:27:06 +01:00
|
|
|
else
|
2017-10-02 20:37:46 +02:00
|
|
|
cp -rfup $RAM_LOG/ -T $HDD_LOG/ 2>&1 | $LOG_OUTPUT
|
2016-12-01 01:27:06 +01:00
|
|
|
fi
|
|
|
|
}
|
|
|
|
|
|
|
|
syncFromDisk () {
|
2016-12-02 01:26:09 +01:00
|
|
|
isSafe
|
2016-12-01 01:27:06 +01:00
|
|
|
|
2018-02-16 00:55:45 +01:00
|
|
|
if [ ! -z "$(du -sh -t "$SIZE" $HDD_LOG/ | cut -f1)" ]; then
|
2017-04-18 15:53:36 +02:00
|
|
|
echo "ERROR: RAM disk too small. Can't sync."
|
2017-10-02 20:37:46 +02:00
|
|
|
umount -l $RAM_LOG/
|
|
|
|
umount -l $HDD_LOG/
|
2017-12-07 17:42:40 +01:00
|
|
|
if [ "$MAIL" = true ]; then
|
|
|
|
echo "LOG2RAM : No place on RAM anymore, fallback on the disk" | mail -s 'Log2Ram Error' root;
|
|
|
|
fi
|
2017-04-18 15:53:36 +02:00
|
|
|
exit 1
|
|
|
|
fi
|
|
|
|
|
2016-12-01 01:27:06 +01:00
|
|
|
if [ "$USE_RSYNC" = true ]; then
|
2017-12-20 10:56:05 +01:00
|
|
|
rsync -aXWv --delete --links $HDD_LOG/ $RAM_LOG/ 2>&1 | $LOG_OUTPUT
|
2016-12-01 01:27:06 +01:00
|
|
|
else
|
2017-10-02 20:37:46 +02:00
|
|
|
cp -rfup $HDD_LOG/ -T $RAM_LOG/ 2>&1 | $LOG_OUTPUT
|
2016-12-01 01:27:06 +01:00
|
|
|
fi
|
|
|
|
}
|
|
|
|
|
2017-10-02 20:37:46 +02:00
|
|
|
wait_for () {
|
2018-02-16 00:55:45 +01:00
|
|
|
while ! grep -qs "$1" /proc/mounts; do
|
2017-12-07 17:42:40 +01:00
|
|
|
sleep 0.1
|
|
|
|
done
|
2017-10-02 20:37:46 +02:00
|
|
|
}
|
2016-04-18 12:05:19 +02:00
|
|
|
|
|
|
|
case "$1" in
|
|
|
|
start)
|
2017-10-02 20:37:46 +02:00
|
|
|
[ -d $HDD_LOG/ ] || mkdir $HDD_LOG/
|
|
|
|
mount --bind $RAM_LOG/ $HDD_LOG/
|
|
|
|
mount --make-private $HDD_LOG/
|
|
|
|
wait_for $HDD_LOG
|
2018-02-16 00:55:45 +01:00
|
|
|
mount -t tmpfs -o nosuid,noexec,nodev,mode=0755,size="$SIZE" log2ram $RAM_LOG/
|
2017-10-02 20:37:46 +02:00
|
|
|
wait_for $RAM_LOG
|
2016-12-01 01:27:06 +01:00
|
|
|
syncFromDisk
|
2016-04-18 12:05:19 +02:00
|
|
|
;;
|
|
|
|
|
|
|
|
stop)
|
2016-12-01 01:27:06 +01:00
|
|
|
syncToDisk
|
2017-10-02 20:37:46 +02:00
|
|
|
umount -l $RAM_LOG/
|
|
|
|
umount -l $HDD_LOG/
|
2016-04-18 12:05:19 +02:00
|
|
|
;;
|
|
|
|
|
|
|
|
write)
|
2016-12-01 01:27:06 +01:00
|
|
|
syncToDisk
|
2016-04-18 12:05:19 +02:00
|
|
|
;;
|
2017-12-07 17:42:40 +01:00
|
|
|
|
2016-12-02 01:26:09 +01:00
|
|
|
*)
|
2017-12-29 10:15:43 +01:00
|
|
|
echo "Usage: log2ram {start|stop|write}" >&2
|
2016-12-02 01:26:09 +01:00
|
|
|
exit 1
|
|
|
|
;;
|
2016-04-18 12:05:19 +02:00
|
|
|
esac
|