Linux:看门狗watchdog.sh程序编写示例

学习和借鉴前人经验，加之美化一番 

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   ###
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   # @Author: hanxiaoshun
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   # @Date: 2020-07-08 15:53:34
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   # @LastEditTime: 2020-09-05 10:54:45
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   # @LastEditors: Please set LastEditors
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   # @Description: In User Settings Edit
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   # @FilePath: shunziconfigowatchdog.sh
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   ###
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   #!/bin/sh
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    #kill -9 $(ps -ef|grep owatchdog.sh | grep -v grep | awk '{print $2}')
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    # 监控node 服务
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    chktask_node(){
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    #echo "check task name with" $1
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    pidcount=`ps -ef|grep $1 | grep -v grep |wc -l`
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    if [ $pidcount -eq 0 ]; then
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    #echo "no run"
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    node /home/shunzi/node/testServer.js > /dev/null 2>&1
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    echo "$CURTIME run $1 " >> /tmp/owatchdog_log.txt
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    fi
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    }
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    # 监控python server服务
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    chktask_python3(){
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    echo "check task name with" $1
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    pidcount=`ps -ef|grep $1 | grep -v grep | wc -l`
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    if [ $pidcount -eq 0 ]; then
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    python3 /home/shunzi/python/test_flask_server.py >/dev/null 2>&1 &
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    echo "$CURTIME run $1 " >> /tmp/owatchdog_log.txt
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    fi
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    }
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    while true
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    do
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    CURTIME=`date "+%Y-%m-%d %H:%M:%S"`
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    # 监控服务
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    if [ -d "/home/shunzi/python/" ]; then
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    cd/home/shunzi/python/
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    chktask_python3 test_flask_server.py
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    fi
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    if [ -d "/home/shunzi/node/" ]; then
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    cd /home/shunzi/node/
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    chktask_node testServer.js
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    fi
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    # 监控脚本
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    #PID=`ps -ef|grep watch_test | grep -v grep | wc -l`
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    #if [ $PID -eq 0 ]; then
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    # if [ -f /usr/bin/watch_test.sh ]; then
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    # /usr/bin/watch_test.sh &
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    # fi
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    #fi
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    # 监控命令行
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    count=`ps -ef|grep redis|grep -v grep|wc -l`
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    if [ $count -eq 0 ]; then
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    if [ -f /home/shunzi/redis_place/redis/local/redis/bin/redis-server ]; then
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    /home/vcontroller/redis_place/redis/local/redis/bin/redis-server /home/shunzi/redis_place/redis/local/redis/bin/redis.conf --daemonize yes --port 9673
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    fi
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    fi
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    sleep 3
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    done