#!/bin/bash

for device in $(smartctl --scan | cut -d' ' -f1)
do
  temp=$(smartctl -n idle -A --json=c $device | jq .temperature.current)

  if [[ $temp == ?(-)+([0-9]) ]]
  then
    echo "smartctl,host=${node.name},device=$device temperature=$temp $(date --utc +%s%N)"
  elif [[ $temp == null ]]
  then
    # hdd might be sleeping
    continue
  else
    # hdd might be unsupported
    continue
  fi
done