#!/bin/bash

PREFIX='nginx'
URL='nginx/nginx_status'

CURL='/usr/bin/curl'
SENDER='/usr/bin/zabbix_sender'
CONFIG='/etc/zabbix/zabbix_agentd.conf'

if [ ! -x ${CURL} ]
then echo Seems, path to curl is incorrect or not installed. && exit 0
else if [ ! -x ${SENDER} ]
then echo Seems, path to zabbix_sender is incorrect or not installed. && exit 0
else if [ ! -f ${CONFIG} ]
then echo Seems, path to zabbix_agentd.conf is incorrect && exit 0
fi fi fi


function sendData {
    local PROTOCOL=$1

    nginx_status="$(${CURL} --no-keepalive -s -m 5 ${PROTOCOL}://${URL} -w 'ping: %{time_total}')"
    arr=($nginx_status)

    if [[ "${arr[7]}" =~ ([0-9]+) ]]
    then
    echo "\
    - ${PREFIX}.accepts ${arr[7]}
    - ${PREFIX}.connections.active ${arr[2]}
    - ${PREFIX}.connections.reading ${arr[11]}
    - ${PREFIX}.connections.waiting ${arr[15]}
    - ${PREFIX}.connections.writing ${arr[13]}
    - ${PREFIX}.handled ${arr[8]}
    - ${PREFIX}.requests ${arr[9]}" | ${SENDER} -c ${CONFIG} -i - > /dev/null 2>&1
    echo "${nginx_status}" | awk '/^ping:/ {print $2}' | sed 's/,/./'
    else
    echo '-0.001'
    fi
}

if [ $(${CURL} -s -o /dev/null -I -w "%{http_code}" http://${URL}) = "200" ];then
    sendData 'http'
else
    sendData '-k https'
fi

exit 1