服务端口监控，发现服务挂掉进行重启代码,Shell代码库,德仔网

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【Shell】服务端口监控，发现服务挂掉进行重启

作者:沅铱 / 发布于2018/4/19/ 1067

#
#监听服务端口,端口不在重启服务
#./serverMonitorAndRestart 8080 "-Xms2048m -Xmx2048m" /root/workspace/api/app_startup.sh
#! /bin/sh
PORT=$1
JAVA_OPTS=$2
SCRIPT=$3
basepath=${SCRIPT%/*}
echo $basepath
echo "PORT:"$PORT";JAVA_OPTS:"$JAVA_OPTS";SCRIPT:"$SCRIPT
restart_log="/logs/restart.log"
pid=0
#进程数
proc_num()
{
    num=`ps -ef | grep $PORT | grep java | grep -v grep | wc -l`
    return $num
}
#进程ID
proc_id()
{
    pid=`ps -ef | grep $PORT | grep java | grep -v grep | awk '{print $2}'`
}
proc_num
number=$?
echo $number
if [ $number -eq 0 ]
then
    cd $basepath
    echo "EXEC:"$SCRIPT "online" $PORT $JAVA_OPTS
    $SCRIPT "online" $PORT $JAVA_OPTS
    proc_id
    echo "EXEC:"$SCRIPT "online" $PORT $JAVA_OPTS  ${pid},`date` >> $restart_log
    exit 1
fi
exit 0




app_startup.sh

#!/bin/bash
#-Ddisconf.env 该参数为百度的分布式配置管理平台Disconf参数
source /etc/profile
ENV=$1
PORT=$2
JAVA_OPTS='-Xms1024m -Xmx2048m'
CONFIG=/root/workspace/api/jetty-8080.xml
if [ ! -n "$3" ];then
    echo "Use Default JAVA_OPTS='-Xms2048m -Xmx2048m'"
else
    JAVA_OPTS=$3
    echo "Use New JAVA_OPTS="$3

fi
if [ "$2" -ne 8080 ];then
    CONFIG=/root/workspace/api/jetty-8081.xml
    echo "Use config:"$CONFIG
fi
whatToFind="Started "
msgBuffer="Buffering: "
msgAppStarted="Application Started... exiting buffer!"
logDir="/logs"
logName=".log"
echo "Application Start....."
if [ ! -d "$logDir" ];
then
　　mkdir "$logDir"
fi
newLogFile=$(date +%Y%m%d%H%M%S)${logName}
echo "创建新日志文件："${newLogFile}
touch ${logDir}/${newLogFile}
nohup $JAVA_HOME/bin/java -jar $JAVA_OPTS -Ddisconf.env=$ENV jetty-runner.jar --config $CONFIG demo.war > ${logDir}/${newLogFile} 2>&1 &
tail -f ${logDir}/${newLogFile} |
while IFS= read line
   do
       echo "$msgBuffer" "$line"
       if [[ "$line" == *"$whatToFind"* ]]
       then
            echo $msgAppStarted
            pkill  tail
       fi
   done

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