btrbk/btrbk.sh
2022-05-25 23:15:42 +02:00

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#!/bin/bash
source config.sh
set -euxo pipefail
function main {
date=$(date +%Y-%m-%d)
month=$(date +%B)
for i in ${!SUBVOLS[@]}
do
snapName=${VOLNAME[$i]}.$date
snapYest=$SNAPDIR${VOLNAME[$i]}.$(date -d "$date -1 day" +%Y-%m-%d)
btrfs subvolume snapshot -r ${SUBVOLS[$i]} $SNAPDIR$snapName
if [[ -d "$snapYest" && $bkType = "daily" && $? -ne 0 ]]
then
btrfs send -p $snapYest $SNAPDIR$snapName | gpg --batch -er $PUBKEY -o - | rclone rcat $RCLONEDIR$month/$snapName.pgp
else
btrfs send $SNAPDIR$snapName | gpg --batch -er $PUBKEY -o - | rclone rcat $RCLONEDIR$snapName.pgp
fi
if [[ $bktype = monthly ]]
then
for f in `seq 1 2`
do
btrfs subvolume delete $SNAPDIR${VOLNAME[$i]}.$(date -d "$date -$f day" +%Y-%m-%d)
done
rclone delete $RCLONEDIR$(date -d "$month -1 month" +%B)/
else
btrfs subvolume delete $SNAPDIR${VOLNAME[$i]}.$(date -d "$date -2 day" +%Y-%m-%d)
fi
done
}
if [ `date +%d` != "01" ]
then
bkType=daily
main
else
bkType=monthly
main
fi