blob-last

#!/bin/bash

mountpoint -q "/mnt/cephfs" || {
	echo "error: /mnt/cephfs is not mounted" >&2
	exit 1
}

blob="$(ls -1v "/mnt/cephfs/blobs" | tail -1)" || exit 1
[[ -d "/mnt/cephfs/blobs/$blob" ]] || {
	echo "error: blob dir '/mnt/cephfs/blobs/$blob' does not exist" >&2
	exit 1
}

echo "$blob"