Скрипт TCPPing для Zabbix

/etc/zabbix/scripts/tcpping.sh

#!/bin/bash
if [[ -z "$1" || -z "$2" ]]; then
    exit 1
fi
##### PARAMETERS #####
ADDR="$1"
PORT="$2"
TIMEOUT=9
LOG="/var/log/zabbix/tcpping.${ADDR}.log"
NOWDATE=`date '+%Y-%m-%d %H:%M:%S'`
##### RUN #####
OUTPUT=`{ TIMEFORMAT="%R"; time nc -w ${TIMEOUT} -zvv ${ADDR} ${PORT}; } 2>&1`
EXITCODE=$?
if [ ${EXITCODE} -ne 0 ]; then
    echo -e "--------------------------------------------------------------------------------
DATE:${NOWDATE}  ADDRESS:${ADDR}  PORT:${PORT}  CODE:${EXITCODE}
--------------------------------------------------------------------------------
${OUTPUT}\n" >> ${LOG}
    echo 9.999
    exit 1
fi
echo "${OUTPUT}" | tail -n1