【Java】Java启动脚本

#!/bin/bash
#export JAVA_HOME=/var/jdk1.8
#export JRE_HOME=/$JAVA_HOME/jre
#export CLASSPATH=.:$JAVA_HOME/jre/lib/rt.jar:$JAVA_HOME/lib/dt.jar:$JAVA_HOME/lib/tools.jar
#export MAVEN_HOME=/var/maven3.6
#export JAVA_HOME=/home/software/java/jdk1.8.0_201
#export JRE_HOME=/$JAVA_HOME/jre
#export CLASSPATH=.:$JAVA_HOME/jre/lib/rt.jar:$JAVA_HOME/lib/dt.jar:$JAVA_HOME/lib/tools.jar
#export PATH=$PATH:$JAVA_HOME/bin:$JRE_HOME/bin
#export MAVEN_HOME=/home/software/java/apache-maven-3.6.3
#export PATH=$PATH:$MAVEN_HOME/bin
#source /etc/profile
# export JAVA_HOME=/Library/Java/JavaVirtualMachines/jdk1.8.0_281.jdk/Contents/Home
# export JRE_HOME=/$JAVA_HOME/jre
# export CLASSPATH=.:$JAVA_HOME/jre/lib/rt.jar:$JAVA_HOME/lib/dt.jar:$JAVA_HOME/lib/tools.jar
# export PATH=$PATH:$JAVA_HOME/bin:$JRE_HOME/bin
# export MAVEN_HOME=/Users/mac/Downloads/software/apache-maven-3.6.3

BUILD_ID=DONTKILLME
#这里可替换为你自己的执行程序，其他代码无需更改
APP_NAME=cxssboot-next-rent-api.jar
APP=cxssboot-next-rent-api.jar
#使用说明，用来提示输入参数
usage() {
    echo "Usage: sh admin-app.sh [start|stop|restart|status|install]"
    exit 1
}

#检查程序是否在运行
is_exist(){
  pid=`ps -ef|grep ${APP}|grep -v grep|awk '{print $2}'`
  echo ${pid}
  #如果不存在返回1，存在返回0
  if [ -z "${pid}" ]; then
   return 1
  else
    return 0
  fi
}

#启动方法
start(){
  is_exist
  if [ $? -eq 0 ]; then
    echo "${APP} is already running. pid=${pid}"
  else
    echo ${APP}
    nohup java  -Xms1G -Xmx1G -Xmn512M -Xss1M -XX:SurvivorRatio=8 -XX:MetaspaceSize=256M -XX:MaxMetaspaceSize=256M -XX:MaxTenuringThreshold=5 -XX:PretenureSizeThreshold=1M -XX:+UseParNewGC -XX:+UseConcMarkSweepGC -XX:CMSInitiatingOccupancyFraction=92 -XX:CMSFullGCsBeforeCompaction=0 -Dfile.encoding=UTF-8 -jar ${APP_NAME} --spring.profiles.active=hk >cxssboot-next-rent-api.out 2>&1 &
    sleep 10
    echo "starting...."
  fi
  echo "start finished."
}

#停止方法
stop(){
  is_exist
  if [ $? -eq "0" ]; then
    kill -9 $pid
  else
    echo "${APP} is not running"
  fi
  echo "stop finished."
}

#输出运行状态
status(){
  is_exist
  if [ $? -eq "0" ]; then
    echo "${APP} is running. Pid is ${pid}"
  else
    echo "${APP} is NOT running."
  fi
}

#重启
restart(){
  stop
  sleep 5
  start
}

#更新代码
install(){
  stop
  sleep 5
  mvn clean install -Dmaven.test.skip=true
  echo "mvn clean install finished."
}

#根据输入参数，选择执行对应方法，不输入则执行使用说明
case "$1" in
  "start")
    start
    ;;
  "stop")
    stop
    ;;
  "status")
    status
    ;;
  "restart")
    restart
    ;;
  "install")
    install
    ;;
  *)
    usage
    ;;
esac