linux启动jar脚本

#!/bin/sh

APP_NAME=leship
#jar包路径
JAR_PATH='/opt/apps'
#jar名称
JAR_NAME='blade-api.jar'
# 日期
DATE_VALUE=`date +%Y_%m_%d`
#前一天日期
DATE_VALUE_D=`date -d "yesterday" +%Y_%m_%d`
#日志路径
LOG_PATH=$JAR_PATH/logs/log-$DATE_VALUE.log
#PID 代表是PID文件
PID=$JAR_NAME\.pid

#使用说明，用来提示输入参数
usage() {
echo "Usage: sh 执行脚本.sh [start|stop|restart|status]"
exit 1
}

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

#启动方法
start(){
is_exist
if [ $? -eq "0" ]; then
echo ">>> $APP_NAME is already running PID=${pid} <<<"
else
nohup java -Xms256m -Xmx512m -jar $JAR_PATH/$JAR_NAME --spring.profiles.active=prod >> $LOG_PATH 2>&1 &
echo $! > $PID
echo ">>> start $APP_NAME successed PID=$! <<<"
fi
}

#停止方法
stop(){
#is_exist
pidf=$(cat $PID)
#echo "$pidf"
echo ">>> PID = $pidf begin kill $pidf <<<"
kill $pidf
rm -rf $PID
sleep 2
is_exist
if [ $? -eq "0" ]; then
echo ">>> PID = $pid begin kill -9 $pid <<<"
kill -9 $pid
sleep 2
echo ">>> $APP_NAME process stopped <<<"
else
echo ">>> $APP_NAME is not running <<<"
fi
}

#输出运行状态
status(){
is_exist
if [ $? -eq "0" ]; then
echo ">>> $APP_NAME is running PID is ${pid} <<<"
else
echo ">>> $APP_NAME is not running <<<"
fi
}

#重启
restart(){
stop
start
}
# 输出实时日志
logs(){
tail -n 100 -f $LOG_PATH
}
#备份日志
backupLog(){
cp $LOG_PATH $JAR_PATH/log/log-$DATE_VALUE_D.log
#清空原始nohup.out中的内容
cat /dev/null > $LOG_PATH
}

#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
;;
"logs")
logs
;;
"backupLog")
backupLog
;;
*)
usage
;;
esac
exit 0