收集DMZ的nginx代理信息

#收集DMZ的nginx代理信息
#!/bin/bash
#create: 2020/06/04
#update:
TYPE=NGINX
LOGTXT=/tmp/HW_${TYPE}.log 
if [ -f ${LOGTXT} ];then
   >${LOGTXT}
fi
function get_host_info(){
    HOST_NAME=$(hostname -s)    
    HOST_IPADDR=$(ip a s |sed -n ‘/127.0.0.1/d;/inet/p‘|awk ‘{print $2}‘|awk -F/ ‘{print $1}‘|sort)
}
  
function get_app_net_info(){     
    LISTEN_PORT=$(netstat -lntp |tail -n +3 |awk ‘{print $4}‘ |awk ‘BEGIN{FS=":"}{if($2!= "22"){print $2}}‘)
    REQUEST_IP=$(netstat -anp |grep ESTABLISHED |grep nginx |awk ‘{print $4":"$5}‘ |awk ‘BEGIN{FS=":"}{if($2 == "80" || $2 == "443"){print $3}}‘|sort|uniq)
    FORWARD_IP=$(netstat -anp |grep ESTABLISHED |grep nginx |awk ‘{print $4":"$5}‘ |awk ‘BEGIN{FS=":"}{if($2 != "80" && $2 != "443"){print $3}}‘|sort |uniq)
    FORWARD_PORT=$(netstat -anp |grep ESTABLISHED |grep nginx |awk ‘{print $4":"$5}‘ |awk ‘BEGIN{FS=":"}{if($2 != "80" && $2 != "443"){print $4}}‘|sort |uniq)
}
function get_app_configure_info(){ 
    NGX_PID=$(ps -ef |grep nginx |grep master|awk ‘{print $2}‘)
    NGX_DIR=$(lsof -p ${NGX_PID}|grep conf |awk ‘{print $NF}‘)
    if [ ${NGX_DIR}‘x‘ == ‘x‘ ];then
       NGX_DIR=$(find / -type f -name nginx.conf -print| sed -n ‘/[0-9]/d;/bak/d;1,$‘p|awk -F/ ‘OFS="/"{$NF="";print}‘)
    fi
    ##/home/appuser/openresty/nginx/conf/vhost/*.conf
    for v_file in ${NGX_DIR}/*.conf;do
    if [ -f ${v_file} ];then         
        NGX_SERVER_NAME=$(sed -n ‘/#/d;/server_name/p;/proxy_pass/p;/[0-9]\{1,3\}\.[0-9]\{1,3\}\.[0-9]\{1,3\}\.[0-9]\{1,3\}/p‘ ${v_file} |awk ‘{print $1,$2}‘|sort|uniq|awk ‘{if($1 == "server_name"){print $2}}‘|sed -n s/.$//p)        
        NGX_SERVER_PASS_IP=$(sed -n ‘/#/d;/server_name/p;/proxy_pass/p;/[0-9]\{1,3\}\.[0-9]\{1,3\}\.[0-9]\{1,3\}\.[0-9]\{1,3\}/p‘ ${v_file} |awk ‘{print $1,$2}‘|sort|uniq|awk ‘{if($1 == "server"){print $2}}‘|sed -n s/.$//p)       
        NGX_SERVER_PASS_URL=$(sed -n ‘/#/d;/server_name/p;/proxy_pass/p;/[0-9]\{1,3\}\.[0-9]\{1,3\}\.[0-9]\{1,3\}\.[0-9]\{1,3\}/p‘ ${v_file} |awk ‘{print $1,$2}‘|sort|uniq|awk ‘{if($1 == "proxy_pass"){print $2}}‘|sed -n s/.$//p |sed -n /[0-9]/p)      
    fi
    done
}


function data_to_json(){
    echo "{\"HOST_NAME\":\"${HOST_NAME}\",\"HOST_IPADDR\":\"${HOST_IPADDR}\",\"LISTEN_PORT\":\"${LISTEN_PORT}\",\"REQUEST_IP\":\"${REQUEST_IP}\",\"FORWARD_IP\":\"${FORWARD_IP}\",\"FORWARD_PORT\":\"${FORWARD_PORT}\",\"NGX_SERVER_NAME\":\"${NGX_SERVER_NAME}\",\"NGX_SERVER_PASS_IP\":\"${NGX_SERVER_PASS_IP}\",\"NGX_SERVER_PASS_URL\":\"${NGX_SERVER_PASS_URL}\"}" >${LOGTXT}
}

function main(){
 get_host_info
 get_app_net_info
 get_app_configure_info
 data_to_json
}

main