mirror of https://github.com/azlux/log2ram.git
Azlux
parent
853ae88d3f
commit
f6e81bc8c1
110
log2ram
110
log2ram
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@ -2,12 +2,8 @@
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. /etc/log2ram.conf
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HDD_LOG=/var/hdd.log
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RAM_LOG=/var/log
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LOG_NAME="log2ram.log"
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LOG2RAM_LOG="${RAM_LOG}/${LOG_NAME}"
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LOG_OUTPUT="tee -a $LOG2RAM_LOG"
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isSafe () {
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[ -d $HDD_LOG/ ] || echo "ERROR: $HDD_LOG/ doesn't exist! Can't sync."
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@ -16,31 +12,31 @@ isSafe () {
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syncToDisk () {
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isSafe
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if [ "$USE_RSYNC" = true ]; then
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rsync -aXv --inplace --no-whole-file --delete-after $RAM_LOG/ $HDD_LOG/ 2>&1 | $LOG_OUTPUT
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rsync -aXv --inplace --no-whole-file --delete-after $RAM_LOG/ $HDD_LOG/ 2>&1 | tee -a $LOG2RAM_LOG
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else
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cp -rfup $RAM_LOG/ -T $HDD_LOG/ 2>&1 | $LOG_OUTPUT
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cp -rfup $RAM_LOG/ -T $HDD_LOG/ 2>&1 | tee -a $LOG2RAM_LOG
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fi
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}
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syncFromDisk () {
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isSafe
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if [ ! -z "$(du -sh -t "$SIZE" $HDD_LOG/ | cut -f1)" ]; then
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echo "ERROR: RAM disk too small. Can't sync."
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echo "ERROR: RAM disk for "$HDD_LOG/" too small. Can't sync."
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umount -l $RAM_LOG/
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umount -l $HDD_LOG/
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if [ "$MAIL" = true ]; then
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echo "LOG2RAM : No place on RAM anymore, fallback on the disk" | mail -s 'Log2Ram Error' root;
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echo "LOG2RAM : No place on RAM for "$HDD_LOG/" anymore, fallback on the disk" | mail -s 'Log2Ram Error' root;
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fi
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exit 1
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fi
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if [ "$USE_RSYNC" = true ]; then
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rsync -aXv --inplace --no-whole-file --delete-after $HDD_LOG/ $RAM_LOG/ 2>&1 | $LOG_OUTPUT
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rsync -aXv --inplace --no-whole-file --delete-after $HDD_LOG/ $RAM_LOG/ 2>&1 | tee -a $LOG2RAM_LOG
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else
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cp -rfup $HDD_LOG/ -T $RAM_LOG/ 2>&1 | $LOG_OUTPUT
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cp -rfup $HDD_LOG/ -T $RAM_LOG/ 2>&1 | tee -a $LOG2RAM_LOG
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fi
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}
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@ -65,37 +61,65 @@ createZramLogDrive () {
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}
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case "$1" in
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start)
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[ -d $HDD_LOG/ ] || mkdir $HDD_LOG/
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mount --bind $RAM_LOG/ $HDD_LOG/
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mount --make-private $HDD_LOG/
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wait_for $HDD_LOG
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if [ "$ZL2R" = true ]; then
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createZramLogDrive
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mount -t ext4 -o nosuid,noexec,nodev,user=log2ram /dev/zram${RAM_DEV} ${RAM_LOG}/
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else
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mount -t tmpfs -o nosuid,noexec,nodev,mode=0755,size=${SIZE} log2ram $RAM_LOG/
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fi
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wait_for $RAM_LOG
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syncFromDisk
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;;
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start)
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IFS=';'
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for i in $PATH_DISK; do
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PATH_FIRST_PART=$( echo ${i%/*} )
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PATH_LAST_PART=$( echo ${i##/*/} )
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RAM_LOG=$i
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HDD_LOG=$PATH_FIRST_PART/hdd.$PATH_LAST_PART
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LOG2RAM_LOG="${RAM_LOG}/${LOG_NAME}"
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[ -d $HDD_LOG/ ] || mkdir $HDD_LOG/
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mount --bind $RAM_LOG/ $HDD_LOG/
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mount --make-private $HDD_LOG/
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wait_for $HDD_LOG
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if [ "$ZL2R" = true ]; then
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createZramLogDrive
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mount -t ext4 -o nosuid,noexec,nodev,user=log2ram /dev/zram${RAM_DEV} ${RAM_LOG}/
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else
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mount -t tmpfs -o nosuid,noexec,nodev,mode=0755,size=${SIZE} log2ram $RAM_LOG/
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fi
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wait_for $RAM_LOG
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syncFromDisk
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done
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;;
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stop)
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syncToDisk
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#ZRAM_LOG=$(awk '$2 == "/var/log" {print $1}' /proc/mounts)
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#ZRAM_LOG=$(echo ${ZRAM_LOG} | grep -o -E '[0-9]+')
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umount -l $RAM_LOG/
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umount -l $HDD_LOG/
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# Unsure as even with Root permision denied
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#echo ${ZRAM_LOG} > /sys/class/zram-control/hot_remove
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;;
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stop)
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IFS=';'
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for i in $PATH_DISK; do
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PATH_FIRST_PART=$( echo ${i%/*} )
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PATH_LAST_PART=$( echo ${i##/*/} )
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RAM_LOG=$i
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HDD_LOG=$PATH_FIRST_PART/hdd.$PATH_LAST_PART
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LOG2RAM_LOG="${RAM_LOG}/${LOG_NAME}"
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syncToDisk
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#ZRAM_LOG=$(awk '$2 == "/var/log" {print $1}' /proc/mounts)
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#ZRAM_LOG=$(echo ${ZRAM_LOG} | grep -o -E '[0-9]+')
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umount -l $RAM_LOG/
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umount -l $HDD_LOG/
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# Unsure as even with Root permision denied
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#echo ${ZRAM_LOG} > /sys/class/zram-control/hot_remove
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done
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;;
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write)
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syncToDisk
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;;
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write)
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IFS=';'
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for i in $PATH_DISK; do
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PATH_FIRST_PART=$( echo ${i%/*} )
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PATH_LAST_PART=$( echo ${i##/*/} )
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RAM_LOG=$i
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HDD_LOG=$PATH_FIRST_PART/hdd.$PATH_LAST_PART
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LOG2RAM_LOG="${RAM_LOG}/${LOG_NAME}"
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syncToDisk
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done
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;;
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*)
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echo "Usage: log2ram {start|stop|write}" >&2
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exit 1
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;;
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*)
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echo "Usage: log2ram {start|stop|write}" >&2
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exit 1
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;;
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esac
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@ -16,6 +16,9 @@ USE_RSYNC=false
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# Change it to false and you will have only a log if there is no place on RAM anymore.
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MAIL=true
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# Variable for folders to put in RAM. You need to specify the real folder `/path/folder` , the `/path/hdd.folder` will be automatically created. Multiple path can be separeted by `;`. Do not add the final `/` !
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PATH_DISK="/var/log"
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# **************** Zram backing conf *************************************************
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# ZL2R Zram Log 2 Ram enables a zram drive when ZL2R=true ZL2R=false is mem only tmpfs
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