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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}_$(date +'%F_%H-%M-%S')" \
"$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 $RETCODE
}
# server_restore relies on output format of this function
function borg_ls_dir() {
export BORG_PASSCOMMAND="$BACKUP_PASSCOMMAND"
borg list "$1" | cut -d' ' -f1
}
function borg_ls_all() {
export BORG_PASSCOMMAND="$BACKUP_PASSCOMMAND"
for BACKUP_DIR in ${BACKUP_DIRS[*]}
do
echo "borg: backups in \"$BACKUP_DIR\":"
borg list "$BACKUP_DIR" | cut -d' ' -f1
done
}
function borg_restore() {
export BORG_PASSCOMMAND="$BACKUP_PASSCOMMAND"
REMOTE="$1"
SNAPSHOT="$2"
export BORG_REPO="$REMOTE"
borg extract "${REMOTE}::${SNAPSHOT}"
}
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