#!/bin/bash

mysqldump and so on

EL=$?

if [ $EL -ne 0 ]
then
  MESSAGE="Problem with mysqldump"
  STATE=2
else
  MESSAGE="Backup OK"
  STATE=0
fi

echo "yourserver;Powerful_backup;$STATE;$MESSAGE" | /usr/sbin/nsca -H yournagiosserverIP -p 5667 -d ";" -c /etc/send_nsca.cfg