zabbix自動發現並監控tcp端口

#!/bin/bash

mapfile -t portarray < <(sudo netstat -tnlp|grep -iE "$1"|awk '{print $4}'|awk -F':' '{if ($NF~/^[0-9]*$/) print $NF}'|sort|uniq )

length=${#portarray[@]}

printf "{\n"

printf  '\t'"\"data\":["

for ((i=0;i<length;i++))

  do

     printf '\n\t\t{'

     printf "\"{#TCP_PORT}\":\"%s\"}" "${portarray[$i]}"

     if [ $i -lt $((length-1)) ];then

                printf ','

     fi

  done

printf  "\n\t]\n"

printf "}\n