64 lines
2 KiB
Bash
Executable file
64 lines
2 KiB
Bash
Executable file
#!/bin/bash
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source config.sh
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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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for i in ${!SUBVOLS[@]}; do
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snapName=${VOLNAME[$i]}.$date
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snapLast=$SNAPDIR${VOLNAME[$i]}.$(date -d "$date -1 day" +%Y-%m-%d)
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if ! [[ -d "$snapLast" ]]; then
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snapLast=$SNAPDIR$(ls -a $SNAPDIR | grep ${VOLNAME[$i]}.$(date -d "$date" +%Y-%m)- | tail -n 1)
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fi
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if [[ -d "$SNAPDIR$snapName" ]]; then
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echo "backup already run today"
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continue
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else
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btrfs subvolume snapshot -r ${SUBVOLS[$i]} $SNAPDIR$snapName
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fi
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if [[ -d "$snapLast" && $1 = "daily" ]]; 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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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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if [[ $1 = "monthly" ]] && rclone ls $RCLONEDIR$(date -d "$date -1 month" +%Y-%B)-incr; then
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rclone delete $RCLONEDIR$(date -d "$date -1 month" +%Y-%B)-incr/
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if rclone ls $RCLONEDIR$(date -d "$date -6 month" +%Y-%B)-full/; then
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rclone delete $RCLONEDIR$(date -d "$date -6 month" +%Y-%B)-full/
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fi
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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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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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end
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}
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function testDate {
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if [ `date +%d` != "01" ]; then
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bkRun "daily"
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else
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bkRun "monthly"
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fi
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}
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function end {
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echo "backup finished in $(( ($(date +%s) - startDate) / 60 )) min"
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}
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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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testDate
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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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