added restore
This commit is contained in:
snaki
parent
6512f81d54
commit
805449870e
109
btrbk
109
btrbk
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@ -5,7 +5,7 @@ startDate=$(date +%s)
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function bkRun {
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local date=$(date +%Y-%m-%d)
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local month=$(date +%Y-%B)
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local month=$(date +%Y-%m)
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local bkSuffix=("${INCR[0]}" "${FULL[0]}")
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local keepTime=("${INCR[1]}" "${FULL[1]}")
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for i in ${!SUBVOLS[@]}; do
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@ -19,11 +19,11 @@ function bkRun {
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sync
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fi
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if [[ -d "$snapLast" && $1 = "incremental" ]]; then
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btrfs send -p $snapLast $SNAPDIR$snapName | gpg --batch -er $PUBKEY -o - | rclone rcat $RCLONEDIR$month"-incr/"$snapName.pgp
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btrfs send -p $snapLast $SNAPDIR$snapName | gpg --batch -er $PUBKEY -o - | rclone rcat $RCLONEDIR$month"-${INCR[0]}/"$snapName.pgp
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else
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btrfs send $SNAPDIR$snapName | gpg --batch -er $PUBKEY -o - | rclone rcat $RCLONEDIR$month"-full/"$snapName.pgp
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btrfs send $SNAPDIR$snapName | gpg --batch -er $PUBKEY -o - | rclone rcat $RCLONEDIR$month"-${FULL[0]}/"$snapName.pgp
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if [[ $1 = "full" ]]; then
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for o in ${!bkName[@]}; do
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for o in ${!bkSuffix[@]}; do
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mapfile -t oldBk < <(rclone lsf $RCLONEDIR | grep ....-..-${bkSuffix[$o]} | head -n -${keepTime[$o]})
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for n in ${!oldBk[@]}; do
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rclone delete $RCLONEDIR${oldBk[$n]}
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@ -31,29 +31,65 @@ function bkRun {
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done
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fi
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fi
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mapfile -t oldSnaps < <(ls -a $SNAPDIR | grep ${VOLNAME[$i]}.\....-..- | head -n -3)
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mapfile -t oldSnaps < <(ls -a $SNAPDIR | grep ${VOLNAME[$i]}.\....-..- | head -n -$KEEPLOCAL)
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for snap in ${!oldSnaps[@]}; do
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btrfs subvolume delete $SNAPDIR${oldSnaps[$snap]}
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done
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done
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rclone copy /etc/btrbk.conf $RCLONEDIR"config/"
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end
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}
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function runRestore {
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if [ -z ${rDate+x} ]; then
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for o in ${!VOLNAME[@]}; do
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if [[ "${VOLNAME[$o]}" = "${rest}" ]]; then
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if [[ "${VOLNAME[$o]}" = "${restoreVol}" ]]; then
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getSnap "$o"
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break
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elif [[ ! "${VOLNAME[@]}" =~ "${rest}" ]]; then
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elif [[ ! "${VOLNAME[@]}" =~ "${restoreVol}" ]]; then
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echo "Subvolume doesnt exist"
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exit
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exit 1
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fi
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done
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mount /dev/mappaer/hideri /mnt/btrfsroot
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btrfs
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# mkdir /mnt/$BTRFSUUID
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# mount -o subvolid=1 -U $BTRFSUUID /mnt/$BTRFSUUID
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# btrfs subvolume delete /mnt/$BTRFSUUID/
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fi
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echo "not implemented yet™"
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exit 1
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}
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function runFullRestore {
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read -r -p "Do You want to run rclone config?[y/N]: " rcloneConf
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case "$rcloneConf" in
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[yY]) rclone config;;
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*) ;;
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esac
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echo "specify the remote path with trailing slash [remote:/path/to/backupdir/]"
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read -r -p "Dir: " rcloneDir
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rclone copy $rcloneDir"config/btrbk.conf" /etc/btrbk.conf
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echo "Supply Path of your gpg public and secret key"
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read -r -p "Publickey: " gpgPub
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read -r -p "Secretkey: " gpgPriv
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gpg --import $gpgPub
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gpg --import $gpgPriv
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source /etc/btrbk.conf
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local bkSuffix=("${INCR[0]}" "${FULL[0]}")
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btrfs subvolume create $restoreDir"snapshots"
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lastBk=$(rclone lsf $RCLONEDIR | grep ....-..-${FULL[0]} | tail -n -1 | sed "s/\/$//")
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if rclone lsf $RCLONEDIR$($lastBk | sed "s/${FULL[0]}/${INCR[0]}") > /dev/null 2>&1; then
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for i in ${!bkSuffix[@]}; do
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mapfile -t bkFile < <(rclone lsf "$RCLONEDIR$lastBk${bkSuffix[$i]}/")
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for o in ${!bkFile[@]}; do
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rclone rcat "$RCLONEDIR$lastBk${bkSuffix[$i]}/${bkFile[$o]}" | gpg --batch -d $PUBKEY -o - | btrfs recive $restoreDir"snapshots"
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done
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done
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for i in ${!SUBVOLS[@]}; do
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rclone rcat /mnt/bk/root-bk.gpg | gpg --batch -d --passphrase-file /mnt/bk/gpgpass -o - | btrfs receive /mnt/restore
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done
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}
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function getSnap {
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@ -65,24 +101,31 @@ function getSnap {
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done
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}
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function testconf {
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if rclone ls $RCLONEDIR > /dev/null 2>&1; then
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if gpg --list-key $PUBKEY > /dev/null 2>&1; then
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if [ $fullRestore=1 ]; then
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runFull
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elif [ $restore=1 ]; then
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runRestore
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else
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testDate
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function testConf {
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if [ -z ${rDate+x} ]; then
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if ! date -d "$rDate" > /dev/null 2>&1; then
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echo "date is in wrong format: YYYY-MM-DD"
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exit 1
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fi
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else
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echo "pubkey wrong or not found exit code: $?"
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exit
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fi
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else
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echo "rclone dir wrong or not found exit code: $?"
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exit
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fi
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if rclone ls $RCLONEDIR > /dev/null 2>&1; then
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if gpg --list-key $PUBKEY > /dev/null 2>&1; then
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if [ $fullRestore=1 ]; then
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runFullRestore
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elif [ $restore=1 ]; then
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runRestore
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elif [ $backup=1 ]; then
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testDate
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fi
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else
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echo "pubkey wrong or not found exit code: $?"
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exit 1
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fi
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else
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echo "rclone dir wrong or not found exit code: $?"
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exit 1
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fi
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}
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function testDate {
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@ -97,7 +140,7 @@ function end {
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echo "backup finished in $(( ($(date +%s) - startDate) / 60 )) min"
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}
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function Help {
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function echoHelp {
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echo "Usage: btrbk [options]"
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echo "A script to automatically or manually backup your btrfs subvolumes."
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echo "options:"
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@ -105,9 +148,10 @@ function Help {
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echo " -f, --force force backup to override today's backup"
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echo " -d, --date=YYYY-MM-DD define a date from which to restore when using -r"
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echo " -r, --restore=VOLNAME restores the latest snapshot of a given subvolume"
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echo " -x, --full-restore=PATH this walks you through an complete config restore
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and will restore the whole system to a given directory"
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echo " -x, --full-restore=PATH this walks you through an complete config restore"
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echo " and will restore the whole system to a given directory"
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echo " -h, --help display this help and exit"
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exit 1
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}
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options=$(getopt -l "backup,force,date:,restore:,full-restore:,help" -o "bfd:r:x:h" -- "$@")
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@ -120,9 +164,10 @@ while true; do
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-r|--restore) restore=1; restoreVol=$2; shift;;
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-x|--full-restore) fullRestore=1; restoreDir=$2; shift;;
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-h|--help) Help; shift; break;;
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--) shift; break;;
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--) shift;;
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\?) echo "error"; exit 1;;
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*) echoHelp; shift; break;;
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esac
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shift
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done
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testConf
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@ -10,12 +10,18 @@ SUBVOLS=("/" "/home")
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#VOLNAME has to be in the same order as SUBVOLS to be interpreted correctly
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VOLNAME=("root" "home")
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#UUID of the Disk with the btrfs root
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BTRFSUUID="d1b20b8a-3cf4-41f7-bdc8-d50d53dc77c2"
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#btrfs volume too keep snapshots in
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SNAPDIR="/.snapshots/"
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#Rclone Directory on remote storage
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RCLONEDIR="test:/mnt/bk/new/"
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#How many local snapshots should be kept
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KEEPLOCAL="10"
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#Suffix name for incremental/full backups and retention
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#example: YYYY-mm-full and will keep the last two backups
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#For full Backups dont set retention below 1 or you will always delete your current backup which renders all following incremental backups useless
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