diff options
| -rw-r--r-- | backends/borg.sh | 66 | ||||
| -rwxr-xr-x | server.sh | 13 | ||||
| -rw-r--r-- | serverconf.sh | 10 |
3 files changed, 85 insertions, 4 deletions
diff --git a/backends/borg.sh b/backends/borg.sh new file mode 100644 index 0000000..d3d9c63 --- /dev/null +++ b/backends/borg.sh @@ -0,0 +1,66 @@ +function borg_init() { + export BORG_PASSCOMMAND="$BACKUP_PASSCOMMAND" + for BACKUP_DIR in ${BACKUP_DIRS[*]} + do + # borg will check if repo exists + borg init --encryption=repokey-blake2 "$BACKUP_DIR" + done +} + +function borg_create_backup() { + export BORG_PASSCOMMAND="$BACKUP_PASSCOMMAND" + RETCODE=255 + for BACKUP_DIR in ${BACKUP_DIRS[*]} + do + export BORG_REPO="$BACKUP_DIR" + + trap 'echo $( date ) Backup interrupted >&2; exit 2' INT TERM + + echo "borg: starting backup to \"$BACKUP_DIR\"" + + borg create \ + "${BACKUP_DIR}::${BACKUP_NAME}_{hostname}_{now}" \ + "$WORLD_NAME" \ + --filter AME \ + --compression lz4 \ + --exclude-caches \ + + backup_exit=$? + + echo "borg: pruning repository at \"$BACKUP_DIR\"" + + borg prune \ + --prefix '{hostname}-' \ + --keep-minutely 2 \ + --keep-hourly 24 \ + --keep-daily 7 \ + --keep-weekly 4 \ + --keep-monthly 6 \ + "$BACKUP_DIR" + + prune_exit=$? + + # use highest exit code as global exit code + global_exit=$(( backup_exit > prune_exit ? backup_exit : prune_exit )) + RETCODE=$(( global_exit > RETCODE ? global_exit : RETCODE )) + + if [ ${global_exit} -eq 0 ]; then + echo "borg: backup and prune finished successfully" + elif [ ${global_exit} -eq 1 ]; then + echo "borg: backup and/or prune finished with warnings" + else + echo "borg: backup and/or prune finished with errors" + fi + #exit ${global_exit} + done + return $RETCODE +} + +function borg_ls() { + export BORG_PASSCOMMAND="$BACKUP_PASSCOMMAND" + for BACKUP_DIR in ${BACKUP_DIRS[*]} + do + echo "borg: backups in \"$BACKUP_DIR\":" + borg list "$BACKUP_DIR" + done +} @@ -10,6 +10,7 @@ fi source "backends/tar.sh" source "backends/bup.sh" +source "backends/borg.sh" function backup_hook_example { bup -d $CUR_BACK_DIR ls -l $BACKUP_NAME/latest/var/minecraft @@ -121,8 +122,10 @@ function init_backup() { fi done - if [ $USE_BUP = "YES" ]; then + if [ $BACKUP_BACKEND = "bup" ]; then bup_init + elif [ $BACKUP_BACKEND = "borg" ]; then + borg_init else tar_init fi @@ -131,8 +134,10 @@ function init_backup() { function create_backup() { init_backup - if [ $USE_BUP = "YES" ]; then + if [ $BACKUP_BACKEND = "bup" ]; then bup_create_backup + elif [ $BACKUP_BACKEND = "borg" ]; then + borg_create_backup else tar_create_backup fi @@ -218,8 +223,10 @@ function server_backup() { } function ls_backups() { - if [ $USE_BUP = "YES" ]; then + if [ $BACKUP_BACKEND = "bup" ]; then bup_ls + elif [ $BACKUP_BACKEND = "borg" ]; then + borg_ls else tar_ls fi diff --git a/serverconf.sh b/serverconf.sh index 8625bf3..a73a65d 100644 --- a/serverconf.sh +++ b/serverconf.sh @@ -16,9 +16,17 @@ WORLD_NAME="lfja" BACKUP_NAME="${WORLD_NAME}_backup" LOGFILE="logs/latest.log" PIDFILE="server-screen.pid" -USE_BUP="NO" +# if not bup or borg, uses tar by default +#BACKUP_BACKEND="tar" +#BACKUP_BACKEND="bup" +BACKUP_BACKEND="borg" #Constants CUR_YEAR=`date +"%Y"` BACKUP_DIRS=(".bak/$CUR_YEAR" "user@backupserver:/path/to/backup/$CUR_YEAR") + +# borg repository could be password protected +# to avoid having to manually type password, borg can run a command that should echo a password +#BACKUP_PASSCOMMAND="echo superstrongpassword" +#BACKUP_PASSCOMMAND="pass passwordname" |