borgsnap

#!/usr/bin/env bash

set -o nounset
set -o errexit

function debug {
	echo $1
	true
}

debug "Starting backup of $HOSTNAME"

#what dirs do you want to be backed up?
source /usr/local/etc/borgsnap.conf || BACKUP_DIRS=""
if [ -z "$BACKUP_DIRS" ]; then

	echo "WARNING: There is no /usr/local/etc/borgsnap.conf - creating one with a default value..."
	echo 'BACKUP_DIRS="/etc /root/ /var/backups/ /var/log/ /var/www /home"' | tee -a /usr/local/etc/borgsnap.conf
	chown root: /usr/local/etc/borgsnap.conf
	chmod 0600 /usr/local/etc/borgsnap.conf
	source /usr/local/etc/borgsnap.conf
fi

#to set up: "cat > /usr/local/etc/borgpass && sudo chmod 600 /usr/local/etc/borgpass" - paste password and hit return then Ctrl+D
BORG_PASSPHRASE="$(cat /usr/local/etc/borgpass)"
BORG_RELOCATED_REPO_ACCESS_IS_OK=yes
export BACKUP_DIRS BORG_PASSPHRASE BORG_RELOCATED_REPO_ACCESS_IS_OK

debug "Starting actual backup"
borg create -C zlib "ssh://borg@shop.makerslocal.org:22222//srv/backup/borg/repos/$HOSTNAME::rootfs-$(date +%s)" $BACKUP_DIRS

debug "Backup of $HOSTNAME complete"