shell脚本监控内嵌linux系统业务、CPU、内存等

定制板卡中bash无法使用，使用标准sh完成对系统及业务监控

#! /bin/sh

#Process_Name="/guard /aps /sa /zyguard"
Process_Name="/mp /mcu"
#获取主机IP地址
ip=`ifconfig eth0 |grep "inet addr"| cut -f 2 -d ":"|cut -f 1 -d " "`
gstr="/guard"
space=" "
First_Process=""

#获取初始业务进程号
for i in $Process_Name
do
	if [[ $i == $gstr ]]
	then
		Bf_Process=`ps |grep $i|grep -v grep|grep -v ‘/bin/bash‘|awk ‘{print $1}‘`
		First_Process=$First_Process$i":"$Bf_Process$space
	else
		Bf_Process=`ps |grep $i|grep -v grep|awk ‘{print $1}‘`
		First_Process=$First_Process$i":"$Bf_Process$space
	fi
done

while true
do
	For_num=1
	sleep 3
	Second_Process=""
	#第二次获取业务进程号
	for i in $Process_Name
	do
		if [[ $i == $gstr ]]
		then
			Bs_Process=`ps |grep $i|grep -v grep|grep -v ‘/bin/bash‘|awk ‘{print $1}‘`
			Second_Process=$Second_Process$i":"$Bs_Process$space
		else
			Bs_Process=`ps |grep $i|grep -v grep|awk ‘{print $1}‘`
			Second_Process=$Second_Process$i":"$Bs_Process$space
		fi
	done
	echo "First_Process:"$First_Process
	echo "Second_Process:"$Second_Process
	#查看所有业务进程有无变化，有变化输出到日志文件
	for j in $Process_Name
	do
		echo $j
		One_f_Process=`echo $First_Process|awk -v t="${For_num}" ‘{print $t}‘`
		One_s_Process=`echo $Second_Process|awk -v t="${For_num}" ‘{print $t}‘`
		For_num=$((For_num+1))
		echo "One_f_Process:"$One_f_Process
		echo "One_s_Process:"$One_s_Process
		if [[ "$One_f_Process" != "$One_s_Process" ]]
		then
			Time_Now=`date`
			echo $Time_Now
			echo $j
			echo $One_s_Process
			echo $One_f_Process
			echo -e $Time_Now"\t"$j"\tCollapse\tThe new process："$One_s_Process"\t\tThe old process："$One_f_Process >> /usr/tmp/$ip‘_collapse‘.txt
		fi
	done
	#获取业务进程号
	First_Process=""
	for i in $Process_Name
	do
		if [[ $i == $gstr ]]
		then
			Bf_Process=`ps |grep $i|grep -v grep|grep -v ‘/bin/bash‘|awk ‘{print $1}‘`
			First_Process=$First_Process$i":"$Bf_Process$space
		else
			Bf_Process=`ps |grep $i|grep -v grep|awk ‘{print $1}‘`
			First_Process=$First_Process$i":"$Bf_Process$space
		fi
	done

	#系统内存使用率监控
	Memory_Use_Rate=`free | grep Mem | awk ‘{printf"%d",$3/$2*100}‘`
	if [ 80 -le $Memory_Use_Rate ]
	then
		Time_Now=`date`
		echo -e $Time_Now"\tSystm Memory\tMemory_Use_Rate\tAt present the use value:"$Memory_Use_Rate"%\tThreshold:80%" >> /usr/tmp/$ip‘_alarm‘.txt
	fi

	#系统CPU剩余率监控
	Cpu_Residual_Rate=`mpstat|grep all|awk ‘{printf"%d",$11}‘`
	echo $Cpu_Residual_Rate
	if [ $Cpu_Residual_Rate -le 20 ]
	then
		Time_Now=`date`
		echo $Time_Now
		echo -e $Time_Now"\tSystm Cpu\tCpu_Residual_Rate(%idle)\tAt present the use value:"$Cpu_Residual_Rate"%\tThreshold:20%" >> /usr/tmp/$ip‘_alarm‘.txt
	fi	

	#业务内存使用率监控
	System_Memory=`free | grep Mem | awk ‘{printf"%d",$2/1024}‘`
	for k in $Process_Name
	do
		if [[ $k == $gstr ]]
		then
			Process_Memory_Use=`ps |grep $k|grep -v grep|grep -v ‘/bin/bash‘|awk ‘{print $3}‘`
			var_length=${#Process_Memory_Use}
			var_Position=`expr $var_length - 1`
			m=${Process_Memory_Use:$var_Position:1}
			if [[ $m == "m" ]]
			then
				Pro_Mem_Use=${Process_Memory_Use:0:$var_Position}
			else
				Pro_Mem_Use=`expr $Process_Memory_Use / 1024`
			fi
			System_Memory_Threshold=`free | grep Mem | awk ‘{printf"%d",$2/1024*0.8}‘`
			if [[ $Pro_Mem_Use  -ge $System_Memory_Threshold ]]
			then
				Time_Now=`date`
				echo -e $Time_Now"\t"$k"\tProcess_Memory_Use\tAt present the use value:"$Pro_Mem_Use"Mb\tThreshold:"$System_Memory_Threshold"Mb" >> /usr/tmp/$ip‘_alarm‘.txt
			fi
		else
			Process_Memory_Use=`ps |grep $k|grep -v grep|awk ‘{print $3}‘`
			var_length=${#Process_Memory_Use}
			var_Position=`expr $var_length - 1`
			m=${Process_Memory_Use:$var_Position:1}
			if [[ $m == "m" ]]
			then
				Pro_Mem_Use=${Process_Memory_Use:0:$var_Position}
			else
				Pro_Mem_Use=`expr $Process_Memory_Use / 1024`
			fi
			System_Memory_Threshold=`free | grep Mem | awk ‘{printf"%d",$2/1024*0.8}‘`
			if [[ $Pro_Mem_Use  -ge $System_Memory_Threshold ]]
			then
				Time_Now=`date`
				echo -e $Time_Now"\t"$k"\tProcess_Memory_Use\tAt present the use value:"$Pro_Mem_Use"Mb\tThreshold:"$System_Memory_Threshold"Mb" >> /usr/tmp/$ip‘_alarm‘.txt
			fi
		fi
	done
done