小小的程序监控脚本

more dog_fs_curl.sh 
#!/bin/bash
while true
do
  status=$(ps aux|grep fs-curl | grep -v grep | grep -v bash | wc -l)
  currdate=$(date "+%Y-%m-%d %H:%M:%S")
  if [ "${status}" = "0" ]; then
    echo "${currdate} - fs-curl process is down!!! error!!!" >> curl.err
    cd /opt/program/fs-curl
    sudo java -jar -Dddg.sys.name=CC_VOIP fs-curl.jar &
    
    sleep 2
    currdate=$(date "+%Y-%m-%d %H:%M:%S")
    echo "${currdate} - fs-curl restart over, recheck status." >> curl.err

    status2=$(ps aux|grep fs-curl | grep -v grep | grep -v bash |wc -l)
      if [ "${status2}" = "0"  ]; then
        echo "${currdate} - fs-curl can not restart, start backup machine!!!" >> curl.err
        sudo systemctl stop keepalived.service
      fi
  fi
  sleep 2
done