java jar包启动脚本示例

#!/bin/bash
 
#Publish over SSH远程执行shell时需加上这句 
source /etc/profile
 
#jdk所在路徿JAVA_HOME='/usr/local/java/jdk17'
 
#项目名称
APP_NAME=test-1.0.0.jar
 
#项目所在路徿APP_HOME=/home/messageNex/fm-console/$APP_NAME
 
#jvm启动参数
JAVA_OPTS='-XX:+HeapDumpOnOutOfMemoryError -XX:HeapDumpPath=./heap -Xms256m -Xmx1024m'
SERVER_OPTS=' --spring.cloud.nacos.config.namespace=dev --spring.cloud.nacos.config.group=samps --spring.cloud.nacos.config.server-addr=127.0.0.1:8848 --spring.cloud.nacos.config.password=ANacos --server.address=172.168.55.81'
 
#初始化psid变量
psid=0
 
##################################
#打印系统环境参数
##################################
info() {
    echo "System information:"
    echo "***********************"
    echo `head -n 1 /etc/issue`
    echo `uname -a`
    echo "JAVA_HOME = $JAVA_HOME"
    echo `java -version`
    echo
    echo "***********************"
}
 
##################################
#判断程序是否启动，并返回进程id
##################################
checkpid() {
    javaps=`ps -ef | grep $APP_NAME | grep -v auto | grep -v kill | grep -v grep | awk '{print $2}'`
    if [ -n "$javaps" ] ;then
        psid=`echo $javaps`
    else
        psid=0
    fi
}
 
##################################
#启动程序
##################################
start() {
    checkpid
    if [ "$psid" -ne 0 ]; then
        echo "warn: app already started!(psid = $psid)"
    else
   	   info
        echo -n "***********starting************"
        JAVA_CMD=`nohup $JAVA_HOME/bin/java -jar $JAVA_OPTS $APP_HOME $SERVER_OPTS >/dev/null 2>&1 &`
        echo "start success"
    fi
}
 
 
##################################
#停止程序
##################################
stop() {
    checkpid
    if [ "$psid" -ne 0 ] ;then
        echo -n "Stopping app(pid = $psid)"
        kill -9 $psid
        if [ $? -eq 0 ] ;then
            echo "stop success"
        else
            echo "stop fail"
 
        fi
    else
        echo "***********************"
        echo "warn app is not running"
        echo "***********************"
	fi
}
 
##################################
#查看状怿##################################
status() {
    checkpid
    if [ $psid -ne 0 ] ;then
        echo "app is running(pid=$psid)"
    else
        echo "app is not running"
    fi
}
 
case "$1" in 
    'info')
        info
    ;;
    'start')
        start
    ;;
    'stop')
        stop
    ;;
    'status')
        status
    ;;
esac