#!/bin/bash

mounted=()
unmounted=()

for i in $(sudo lsblk -sdn | grep -v -f /lib64/nagios/plugins/excluded_partitions | awk '{print $1}');
  do if ! df -h | grep $i > /dev/null 2>&1;
then
  unmounted+=("$i");
else
  mounted+=("$i");
fi;
done;

if [ -z "$unmounted" ]
then
  printf '%s\n' "${mounted[@]}" | jq -R . | jq -s '{mounted:.}'
  exit 0;
else
  printf '%s\n' "${unmounted[@]}" | jq -R . | jq -s '{unmounted:.}'
  exit 2;
fi