#!/bin/bash

# Wrapper for nagioscheck4updates
# Documentation: http://tech.nnx.com/doku.php?id=start:developpement:joomla:nagioscheck4updates

if [ 3 -ne $# ] ; then
  echo "Wrong parameters."
  echo "Usage : $0 web_site username password"
  exit
fi

site=$1
user=$2
pass=$3

url="http://$site/index.php?option=com_nagioscheck4updates"

# Var NAGIOS                                                                                                                                                                            
STATE_OK=0
STATE_WARNING=1
STATE_CRITICAL=2
STATE_UNKNOWN=3
STATE_DEPENDENT=4

# Get status
ret=$(wget -q -O - "$url" --user="$user" --password="$pass")

nbl=$(echo -e "$ret"|wc -l)

# Check the content of the page
if [ 2 -ne $nbl ] ; then
  echo "Problem: there is $nbl line instead of 2"
  echo -e "$ret"
  exit $STATE_UNKNOWN
fi

state=$(echo -e "$ret" | head -n 1)
comment=$(echo -e "$ret" | tail -n 1)

# Check informations of the Joomla! component
if [[ ! "$state" =~ [0-4] ]] ; then
  echo "Problem: -$state- should be a number between 0 and 4"
  exit $STATE_UNKNOWN
fi

# Return informations
echo $comment
exit $state