Linux下shell通用脚本启动jar（微服务）

vim app_jar.sh

#!/bin/bash
#source /etc/profile
# auth：liucx
# please change these parameters according to your real env.
# set java home: remember that dolphin only supports jdk8!
java_home=/usr/java/jdk1.8.0_162
# application directory
cd `dirname $0`
app_home=`pwd`
app_name="`cd ${app_home} && find -name '*.jar' `"
jar_home=`pwd |awk -f"/" '{print $nf}'`
# java jvm lunch parameters
if [ x"$java_mem_opts" == x ];then
  java_mem_opts="-server -xms512m -xmx512m -xmn128m -xss256k -xx:+disableexplicitgc -xx:+useconcmarksweepgc -xx:+cmsparallelremarkenabled -xx:largepagesizeinbytes=128m -xx:+usefastaccessormethods -xx:+usecmsinitiatingoccupancyonly -xx:cmsinitiatingoccupancyfraction=70 "
fi
# waiting timeout for starting, in seconds
start_wait_timeout=30
psid=0
checkpid() {
  javaps=`$java_home/bin/jps -l | grep "$jar_home"`
  if [ -n "$javaps" ]; then
   psid=`echo $javaps | awk '{print $1}'`
  else
   psid=0
  fi
}
start() {
  checkpid
  if [ $psid -ne 0 ]; then
   echo "================================"
   echo "warn: $app_name already started! (pid=$psid)"
   echo "================================"
  else
   echo -n "starting $app_name ..."
   #-dspring.profiles.active=dev 指定环境
   nohup $java_home/bin/java -jar -dspring.profiles.active=dev -dconfig_enable=true $java_mem_opts ${app_name} >${jar_home}.log 2>&1 &  
   checkpid
   if [ $psid -ne 0 ]; then
     echo "(pid=$psid) [ok]"
   else
     echo "[failed]"
   fi
  fi
}
stop() {
  sleep 2
  checkpid
  if [ $psid -ne 0 ]; then
   echo -n "stopping $app_name ...(pid=$psid) "
   #kill -9 $psid
   kill -9 $psid
   if [ $? -eq 0 ]; then
     echo "[ok]"
   else
     echo "[failed]"
   fi
#   checkpid
#   if [ $psid -ne 0 ]; then
#     stop
#   fi
  else
   echo "================================"
   echo "warn: $app_name is not running"
   echo "================================"
  fi
}
status() {
  checkpid
  if [ $psid -ne 0 ]; then
   echo "$app_name is running! (pid=$psid)"
  else
   echo "$app_name is not running"
  fi
}
info() {
  echo "system information:"
  echo "****************************"
  echo `head -n 1 /etc/issue`
  echo `uname -a`
  echo
  echo "java_home=$java_home"
  echo `$java_home/bin/java -version`
  echo
  echo "app_home=$app_home"
  echo "app_name=$app_name"
  echo "****************************"
}
case "$1" in
  'start')
   start
   ;;
  'stop')
   stop
   ;;
  'restart')
   stop
   echo "you restart the application ..."
   start #
   ;;
  'status')
   status
   ;;
  'info')
   info
   ;;
 *)
   echo "usage: $0 {start|stop|restart|status|info}"
   exit 1
esac

使用方式：

app_jar.sh start
app_jar.sh stop
app_jar.sh restart

注：该脚本只需要放在jar包当前目录下即可，脚本当前目录只允许存在一个jar包，如果多个会同时启动或重启

还需提醒下：启动的jar包名主体不能改变，防止脚本无效。目前正在公司生产环境使用中，希望您纠正，提出建议。

总结

以上所述是小编给大家介绍的linux下shell通用脚本启动jar,希望对大家有所帮助