#! /bin/bash
	s=1
        while [ $s -ge 0 ] #死循环
        do
	
        echo "----------------服务器状态监测，每 1 秒检测一次 ctrl+c可以退出程序----------------"
	date +"%Y-%m-%d %T  %A"

	echo -e "\e[43m----------------cpu  status----------------\e[0m"
 
	pd1=$(uptime | awk '{print $6}')
	#echo $pd1
	if [ $pd1 == "min," ];then

        	echo -e "\e[1;34m分别为1分钟，5分钟，15分钟cpu负载：\e[0m"  $(uptime | awk '{print ($11,$12,$13)}')

		sz5=$(uptime | awk '{print $11}'| sed s/,//)

                sz4=$(echo $(uptime | awk '{print $11}')| sed s/,// | awk '{if($0 < 0.8)

                #使用awk工具判断浮点数，并赋值给sz4
                        print "0"
                else 
                        { print "1"  } }')

                if [ $sz4 == "0" ];then
                        echo '负载正常'
                else
                        echo -e '\e[1;31m当前负载过高警告！当前负载过高警告！已生成警告日志文件：/root/LTlog/warning.txt\e[0m'
                        sz6=$(date +"%Y-%m-%d %T  %A")
                        echo -e "\e[1;31m$sz6\e[0m" >> /root/LTlog/warning.txt
                        echo -e "\e[1;31m当前负载过高警告！当前负载过高警告！当前负>载值：$sz5\e[0m"  >> /root/LTlog/warning.txt
			
			echo "--------------------------------" >> /root/LTlog/warning.txt

                fi


        	echo -e "\e[1;34m登陆用户数：\e[0m" $(uptime | awk '{print ($7)}')
		echo -e "\e[1;34m服务器已运行 \e[0m" $(uptime | awk '{print ($3)}') "\e[1;31m天\e[0m"
		echo -e "\e[0m"
	else
		
        	echo -e "\e[1;34m分别为1分钟，5分钟，15分钟cpu负载：\e[0m"  $(uptime | awk '{print ($10,$11,$12)}')

		sz2=$(uptime | awk '{print $10}'| sed s/,//)
 
		sz1=$(echo $(uptime | awk '{print $10}')| sed s/,// | awk '{if($0 < 0.8)

		#使用awk工具判断浮点数，并赋值给sz1

                        print "0"
                else 
                        #{ print "当前负载过高警告！当前负载过高警告！已生成日志文件：/root/LTlog/warning.txt";
			#打印出字符串

			#print ("当前负载过高",$0) >> "/root/LTlog/warning.txt";
			#awk追加重定向案例

			{ print "1"  } }')
			

		#echo $sz1

		if [ $sz1 == "0" ];then
			echo '负载正常'
		else
			echo -e '\e[1;31m当前负载过高警告！当前负载过高警告！已生成警告日志文件：/root/LTlog/warning.txt\e[0m'
			sz3=$(date +"%Y-%m-%d %T  %A")
			echo -e "\e[1;31m$sz3\e[0m" >> /root/LTlog/warning.txt			
			echo -e "\e[1;31m当前负载过高警告！当前负载过高警告！当前负载值：$sz2\e[0m"  >> /root/LTlog/warning.txt
			
			echo "--------------------------------" >> /root/LTlog/warning.txt
		fi

        	echo -e "\e[1;34m登陆用户数：\e[0m" $(uptime | awk '{print ($6)}')
		echo -e "\e[1;34m服务器已运行 \e[0m" $(uptime | awk '{print ($3)}') "\e[1;34m天\e[0m"
		echo -e "\e[0m"
	fi

        echo -e "\e[43m----------------disk status----------------\e[0m"
        df -h | sed -n "1,2p"
        echo ""
        echo -e "\e[43m----------------Mem  status----------------\e[0m"
        free | sed -n "1,2p"
        echo -e "\e[43m----------------Net  status----------------\e[0m"
	ifconfig eth0 | grep bytes
        sleep 1
        clear
        done