linux 拨号+squid监控脚本

#!/bin/bash

#get_memory-info
a=`free -m|grep Mem|awk ‘{print$2}‘`                    #total-memory
b=`free -m|grep Mem|awk ‘{print$3}‘`                    #used-memory
mem_percent=`awk ‘BEGIN{printf "%.2f%n",(‘$b‘/‘$a‘)*100}‘`     #used-memory-%
#echo $mem_percent

#get_network_info
ping -W 5  -c 1114.114.114.114 > /dev/null2>&1if [ $? -eq 0 ];then
        net_status="0"else
        net_status="1"
fi
#echo $net_status


#get_squid_process_status
squid_status=`systemctl status squid|grep Active|awk ‘{print$2}‘`
if [ "$squid_status" = "active" ];then
        squid_status_code="0"else
        squid_status_code="1"
fi
#echo $squid_status_code

echo ""memory":""$mem_percent"",""net_status":""$net_status"",""squid_status":""$squid_status_code"""

#!/bin/bash

machine_ip=$1
machine_port=$2

 f1=`cat /proc/sys/kernel/random/uuid`
 f2=`cat /proc/sys/kernel/random/uuid`
 f3=`cat /proc/sys/kernel/random/uuid`


rm -rf /tmp/.$f1.txt /tmp/.$f2.txt /tmp/.$f3.txt
touch /tmp/.$f1.txt /tmp/.$f2.txt /tmp/.$f3.txt

{
 #echo "get machine_status"
 machine_status=`ssh -o ConnectTimeout=6 -p $machine_port root@$machine_ip ‘sh /root/get_machine_info.sh‘`
 
 len=`echo $machine_status|wc -c`
 if [ $len -gt 10  ];then
     echo $machine_status >  /tmp/.$f1.txt
 else
        echo ""memory":""1"",""net_status":""1"",""squid_status":""1"""    > /tmp/.$f1.txt
 fi
}&

{
        #echo "get wan ip"
        host=`ssh -o ConnectTimeout=3 -p $machine_port root@$machine_ip ‘sh /root/get_wan_ip.sh‘|awk -F: ‘{print$1}‘`
        #echo $host
        #ssh -o ConnectTimeout=3  root@$host "date" > /dev/null
        #echo "test wan ip for 22"
    
        ping -W 3  -c 1 $host > /dev/null2>&1if [ $? -eq 0  ];then
            #proxy_ip_port_status=`echo ""proxy_ip":"0",""proxy_port":"1"`
            echo ""proxy_ip":"0",""proxy_port":"1" > /tmp/.$f3.txtelse
            #proxy_ip_port_status=`echo ""proxy_ip":"1",""proxy_port":"0"`
            echo echo ""proxy_ip":"1",""proxy_port":"1" > /tmp/.$f3.txt        fi
}&

{
 #echo "get proxy_ip_port"
 proxy_ip_port=`ssh -o ConnectTimeout=3 -p $machine_port root@$machine_ip ‘sh /root/get_wan_ip.sh‘`
 
 if [ $? -eq 0  ] && [ "$proxy_ip_port" != "null"  ];then
    #echo "get curl result"
     result=`curl  -I  -m 5 -x $proxy_ip_port -o  /dev/null -s -w %{http_code} map.baidu.com`
    
    
    if [ $result -eq 200 ];then
        proxy_ip_port_status=`echo ""proxy_ip":"0",""proxy_port":"0"`    else
        #echo "get wan ip"
        #host=`ssh -o ConnectTimeout=3 -p $machine_port root@$machine_ip ‘sh /root/get_wan_ip.sh‘|awk -F: ‘{print$1}‘`
        
        #ssh -o ConnectTimeout=3  root@$host "date" > /dev/null
        #echo "test wan ip for 22"#if [ $? -eq 0  ];then
        #    proxy_ip_port_status=`echo ""proxy_ip":"0",""proxy_port":"1"`#else
        #    proxy_ip_port_status=`echo ""proxy_ip":"1",""proxy_port":"0"`        #fi
        f3v=`cat /tmp/.$f3.txt|wc -c`
        while (($f3v < 4))
        do
            f3v=`cat /tmp/.$f3.txt|wc -c`
        done
        proxy_ip_port_status=`cat /tmp/.$f3.txt`
    fi
 else
      proxy_ip_port_status=`echo ""proxy_ip":"1",""proxy_port":"1"`   fi
 echo $proxy_ip_port_status > /tmp/.$f2.txt
}&

wait

 proxy_ip_port_status=`cat /tmp/.$f2.txt`
 machine_status=`cat /tmp/.$f1.txt`
 rm -rf /tmp/.$f1.txt /tmp/.$f2.txt /tmp/.$f3.txt

#echo $machine_status
#echo $proxy_ip_port_status
echo "{"$machine_status","$proxy_ip_port_status"}"