服务部署脚本

#!/bin/bash
BASE_PATH=$(cd `dirname $0`; pwd);
APP_NAME=$(ls | grep .jar$);

usage() {
    echo "Usage: ./run.sh [start|stop|restart|status]"
    exit 1
}

is_exist() {
  pid=`ps -ef|grep $APP_NAME|grep -v grep|awk '{print $2}' `
  if [ -z "${pid}" ]; then
   return 1
  else
    return 0
  fi
}

start() {
  is_exist
  if [ $? -eq "0" ]; then
    echo "${APP_NAME} is already running. pid=${pid} ."
  else
    nohup java  -jar ${APP_NAME}  >/dev/null 2>&1 &
  fi
}

stop() {
  is_exist
  if [ $? -eq "0" ]; then
    kill -9 $pid
  else
    echo "${APP_NAME} is not running"
  fi
}

status(){
  is_exist
  if [ $? -eq "0" ]; then
    echo "${APP_NAME} is running. Pid is ${pid}"
  else
    echo "${APP_NAME} is NOT running."
  fi
}

restart(){
  stop
  start
}

case "$1" in
  "start")
    start
    ;;
  "stop")
    stop
    ;;
  "status")
    status
    ;;
  "restart")
    restart
    ;;
  *)
    usage
    ;;
esac