#! /bin/sh

set -eu

PORT=${PORT:-23}
HOST=${HOST:-$USERNAME.your-storagebox.de}

ssh -p${PORT} ${USERNAME}@${HOST} df -k | tail -n +2 | while read FS TOTAL USED AVAIL PERCENT MOUNT; do
   echo "# HELP hetzner_storage_available Available storage in kilobytes"
   echo "# TYPE hetzner_storage_available gauge"
   echo "hetzner_storage_available{host=\"${HOST}\"} $AVAIL"

   echo "# HELP hetzner_storage_used Used storage in kilobytes"
   echo "# TYPE hetzner_storage_used gauge"
   echo "hetzner_storage_used{host=\"${HOST}\"} $USED"

   echo "# HELP hetzner_storage_total Total storage in kilobytes"
   echo "# TYPE hetzner_storage_total gauge"
   echo "hetzner_storage_total{host=\"${HOST}\"} $TOTAL"
done