#! /bin/bash
#
# Name: zapache
#
# Checks Apache activity.
#
# Author: Alejandro Michavila
# Modified for Scoreboard Values: Murat Koc, murat@profelis.com.tr
# Modified for using also as external script: Murat Koc, murat@profelis.com.tr
# Modified for outputting usage or ZBX_NOTSUPPORTED: Alejandro Michavila
#
# Version: 1.4
#
 
zapachever="1.4"
rval=0

items[1]=TotalAccesses
items[2]=TotalKBytes
items[3]=Uptime
items[4]=ReqPerSec
items[5]=BytesPerSec
items[6]=BytesPerReq
items[7]=BusyWorkers
items[8]=IdleWorkers
items[9]=WaitingForConnection
items[10]=StartingUp
items[11]=ReadingRequest
items[12]=SendingReply
items[13]=KeepAlive
items[14]=DNSLookup
items[15]=ClosingConnection
items[16]=Logging
items[17]=GracefullyFinishing
items[18]=IdleCleanupOfWorker
items[19]=OpenSlotWithNoCurrentProcess

function getval()
{
	case $1 in
	'TotalAccesses')
	    echo "$VAR"|grep "Total Accesses:"|awk '{print $3}'
	    return $?;;
	'TotalKBytes')
	    echo "$VAR"|grep "Total kBytes:"|awk '{print $3}'
	    return $?;;
	'Uptime')
	    echo "$VAR"|grep "Uptime:"|awk '{print $2}'
	    return $?;;
	'ReqPerSec')
	    echo "$VAR"|grep "ReqPerSec:"|awk '{print $2}'
	    return $?;;
	'BytesPerSec')
	    echo "$VAR"|grep "BytesPerSec:"|awk '{print $2}'
	    return $?;;
	'BytesPerReq')
	    echo "$VAR"|grep "BytesPerReq:"|awk '{print $2}'
	    return $?;;
	'BusyWorkers')
	    echo "$VAR"|grep "BusyWorkers:"|awk '{print $2}'
	    return $?;;
	'IdleWorkers')
	    echo "$VAR"|grep "IdleWorkers:"|awk '{print $2}'
	    return $?;;
	'WaitingForConnection')
	    echo "$VAR"|grep "Scoreboard:"| awk '{print $2}'| awk 'BEGIN { FS = "_" } ; { print NF-1 }'
	    return $?;;
	'StartingUp')
	    echo "$VAR"|grep "Scoreboard:"| awk '{print $2}'| awk 'BEGIN { FS = "S" } ; { print NF-1 }'
	    return $?;;
	'ReadingRequest')
	    echo "$VAR"|grep "Scoreboard:"| awk '{print $2}'| awk 'BEGIN { FS = "R" } ; { print NF-1 }'
	    return $?;;
	'SendingReply')
	    echo "$VAR"|grep "Scoreboard:"| awk '{print $2}'| awk 'BEGIN { FS = "W" } ; { print NF-1 }'
	    return $?;;
	'KeepAlive')
	    echo "$VAR"|grep "Scoreboard:"| awk '{print $2}'| awk 'BEGIN { FS = "K" } ; { print NF-1 }'
	    return $?;;
	'DNSLookup')
	    echo "$VAR"|grep "Scoreboard:"| awk '{print $2}'| awk 'BEGIN { FS = "D" } ; { print NF-1 }'
	    return $?;;
	'ClosingConnection')
	    echo "$VAR"|grep "Scoreboard:"| awk '{print $2}'| awk 'BEGIN { FS = "C" } ; { print NF-1 }'
	    return $?;;
	'Logging')
	    echo "$VAR"|grep "Scoreboard:"| awk '{print $2}'| awk 'BEGIN { FS = "L" } ; { print NF-1 }'
	    return $?;;
	'GracefullyFinishing')
	    echo "$VAR"|grep "Scoreboard:"| awk '{print $2}'| awk 'BEGIN { FS = "G" } ; { print NF-1 }'
	    return $?;;
	'IdleCleanupOfWorker')
	    echo "$VAR"|grep "Scoreboard:"| awk '{print $2}'| awk 'BEGIN { FS = "I" } ; { print NF-1 }'
	    return $?;;
	'OpenSlotWithNoCurrentProcess')
	    echo "$VAR"|grep "Scoreboard:"| awk '{print $2}'| awk 'BEGIN { FS = "." } ; { print NF-1 }'
	    return $?;;
	esac
}
 
########
# Main #
########
 
if [[ $# ==  1 ]];then
    #Trap remote
    VAR=$(wget --quiet -O - http://$1/server-status?auto)
else
    #Trap localhost
    VAR=$(wget --quiet -O - http://localhost/server-status?auto)
fi
 
if [[ -z $VAR ]]; then
    exit 1
fi

for itm in "${items[@]}"
do
	val=$(getval $itm)
	if [ $? -ne 0 ]; then
		echo "- apache.${itm} ZBX_NOTSUPPORTED"
	else
		echo "- apache.${itm} ${val}"
	fi
done

#
# end zapache