#!/bin/sh

# Check if state-file exists, otherwise exit with unknown
if [ ! -f /var/cache/salt/state_apply ] ; then echo "Statefile does not exist" ; exit 3 ; fi

# Check age of statefile. If it's older than 2 hours, exit with unknown
if [ $(($(date +%s) - $(date -r /var/cache/salt/state_apply +%s))) -gt 25200 ] ; then echo "Statefile too old" ; exit 3 ; fi

if grep -o ' changed=\([0-9]\+\)' /var/cache/salt/state_apply > /dev/null ; then 

	ANZ_CHANGED=$(grep -o ' changed=\([0-9]\+\)' /var/cache/salt/state_apply | cut -d= -f2)

	if [ $ANZ_CHANGED -gt 0 ] ; then
		echo "IDs with changes:"
		cat /var/cache/salt/state_apply | grep "ID:"
		exit 1 # warning
	fi

fi
echo "Nothing to do"
exit 0 # ok