nagios_check_vbulletin_visitors

#!/bin/bash
# nagios check vbulleting visitors and guests
# dit script checkt de bezoekers op vbulleting forums dmv online.php
# flip hess April 2012 [email protected]

# Variables

  PATH='/usr/local/sbin:/usr/local/bin:/sbin:/bin:/usr/sbin:/usr/bin'
  SCRIPT_PATH="${0}"
  HOST="${1}"

  URL="http://forums.yourwebsite.com/online.php"

  STATE_OK="0"
  STATE_WARNING="1"
  STATE_CRITICAL="2"
  STATE_UNKNOWN="3"

# Functions:

# The main function.
function fMain()
{
  # Check whether sufficient arguments are given:
  [ ${#} = 0 ] || { fShowUsage ; exit "${STATE_UNKNOWN}"; }

  # this script depends on wget
  [  -x /usr/bin/curl ] || { echo "This scripts depends on curl, install it by using \"sudo apt-get install curl\"" ; exit "${STATE_UNKNOWN}"; }

  # get info
  curl -s ${URL} > /tmp/wus-online  || { echo "Failed to curl ${URL}." ; exit "${STATE_UNKNOWN}"; }

  # get totals
  INFO="$( cat /tmp/wus-online | grep -E '<h1>[ 0-9 ]+\ members\ and\ [ 0-9 ]+\ guests<\/h1\>' | sed -e 's/<h1>//' -e 's/<\/h1>//' -e 's/\t//' -e 's/and\ //' )"
  MAX="$( cat /tmp/wus-online |grep 'Most users ever online was' | awk '{print $7}' | tr -d "," )"

  MEMBERS="$( echo "${INFO}" | awk '{print $1}' )" || { echo "Failed to determine logged in members on forums.yourwebsite.com" ; exit "${STATE_UNKNOWN}"; }
  GUESTS="$(  echo "${INFO}" | awk '{print $3}' )" || { echo "Failed to determine guest visitors on forums.yourwebsite.com" ; exit "${STATE_UNKNOWN}"; }
  TOTAL="$(( ${GUESTS} + ${MEMBERS} ))" || { echo "Failed to determine total visitors on forums.yourwebsite.com" ; exit "${STATE_UNKNOWN}"; }

  # make results
  echo -e "Okay: ${MEMBERS} members and ${GUESTS} guests Online on forums.yourwebsite.com | 'members'=${MEMBERS} 'guests'=${GUESTS} 'total'=${TOTAL};;;;${MAX} "
  exit "${STATE_OK}"

}

# Shows usage.
function fShowUsage()
{
  echo "Usage: ${SCRIPT_PATH}"
  return 0
}


# Start the program:
fMain "${@}"

# Exit with previous return code:
exit "${?}"