dfmonps.sh

Linux Shell 编程

#!/bin/bash
# 是否是测试版
V_DEBUG=0
F_DEBUG=1
# 监测的时间间隔，秒计
INTERVAL=5
# 重起时间间隔
INTERVALRESTART=1
# 监测和进程名
PROGRAME=./dfrecvcfg
#正常线程数
threadnum=3

while true; do
   nowps=`ps -ax | grep $PROGRAME | grep -v grep | wc -l`
   nowps=`expr $nowps`  
   if [ "$V_DEBUG" -eq "1" ]; then
	     date
	     echo "$HOSTNAME Now thread is $nowps"
   fi
   if [ "$nowps" != "$threadnum" ]; then
      /usr/bin/killall -9 $PROGRAME 
      sleep $INTERVALRESTART
      $PROGRAME
       if [ "$F_DEBUG" -eq "1" ]; then
            echo "--- $HOSTNAME Program restart ---" >> ./mon.log
            date >> ./mon.log
	    echo "$HOSTNAME Now thread is $nowps" >> ./mon.log
       fi
       if [ "$V_DEBUG" -eq "1" ]; then
            echo "---------- $HOSTNAME Program restart ----------------" 
            date  
	    echo "$HOSTNAME Now thread is $nowps"
       fi		
   fi
   sleep $INTERVAL
done