Linux 中使用脚本启动 Java 服务

#!/bin/sh

# 服务启动参数
#JAVA_OPTS="-Xms512m -Xmx512m -XX:MetaspaceSize=512m -XX:MaxMetaspaceSize=1024m -XX:ParallelGCThreads=4 -XX:+PrintGCDateStamps -XX:+PrintGCDetails -XX:+HeapDumpOnOutOfMemoryError -Dfile.encoding=utf-8"
JAVA_OPTS="-Xmx2g -Xms2g -XX:+HeapDumpOnOutOfMemoryError -XX:HeapDumpPath=./"
# 服务输出的控制台日志的文件名
LOG_FILE="console.log"
# 所有类型服务的端口号
ALL_PORT=('8081' '5423' '5699' '5424' '8888' '5443' '6060' '6061')
# 目标 Java 服务端口号
JAR_PORT=""
# 指令事件
EXECUTE_EVENT=""

# 检查程序是否处于运行状态
is_exist() {
	pid=`ps -aux|grep ${JAR_NAME}|grep -v grep|grep -v vi|grep -v dbx|grep -v tail|grep -v start|grep -v stop|sed -n 1p|awk '{print $2}'`
	
	if [ -z "${pid}" ]; then
		return 0
	else
		echo "pid is ${pid[i]}";
		return 1
	fi
}

# 服务运行状态查看方法
status() {
  is_exist
  if [ $? -eq "1" ]; then
    echo "serivce is running，pid is ${pid}"
  else
    echo "serivce is not running！"
  fi
}

# 服务停止方法
stop() {
	pid=`netstat -anp|grep ${JAR_PORT}|awk '{printf $7}'|cut -d/ -f1`
	if [ -z "${pid}" ]; then
		echo "service is not running!"
	else
		echo "pid is ${pid[i]}";
		echo "pid = $pid begin kill -9 $pid"
		kill -9 $pid
		sleep 2
		echo "service process stopped!" 
	fi
}

# 服务启动方法
start() {
	is_exist
	if [ $? -eq "1" ]; then
		echo "service is already running. pid is ${pid}"
	else
		echo "JAR_NAME: $JAR_NAME"
		echo "JAVA_OPTS: $JAVA_OPTS"
		echo "LOG_FILE: $LOG_FILE"
		echo "spring.profiles.active: $env"

		if [ -z "${JAR_NAME}" ]; then
			echo "JAR_NAME is blank"
		else
			nohup java -jar $JAR_NAME --spring.profiles.active=$env $JAVA_OPTS>/home/$SERVICE_TYPE/$ENV_FILE/$LOG_FILE 2>&1 &
			tail -800f /home/$SERVICE_TYPE/$ENV_FILE/$LOG_FILE
		fi
	fi
}

while getopts ":d:k:e:" optname
do
	case "$optname" in
		"d")
			JAR_NAME=$OPTARG;
			
			jar_name_array=(${JAR_NAME//// })
			app_name=${jar_name_array[${#jar_name_array[@]}-1]}
			echo "app_name is $app_name"
			app_name_array=(${app_name//_/ })
			app=${app_name_array[0]}
			echo "app is $app"
			case "$app" in
				"PC")
					SERVICE_TYPE="admin"
					;;
				"PDA")
					SERVICE_TYPE="pda"
					;;
				*)
					echo "app name is illegal characters"
					exit 0
			esac
			
			EXECUTE_EVENT="start"
			;;
		"k")
			if [ "$OPTARG" != null ];then
				if [[ "${ALL_PORT[@]}"  =~ "${OPTARG}" ]]; then
					JAR_PORT=$OPTARG
				else
					echo "port $OPTARG is illegal characters"
					exit 0
				fi
			else
				echo "-k need a port param"
				exit 0
			fi
			
			EXECUTE_EVENT="stop"
			;;
		"e")
			env=$OPTARG;
			case "$env" in
				"dev")
					ENV_FILE="dev";
					;;
				"test")
					ENV_FILE="test";
					;;
				"prod-gz")
					ENV_FILE="prod-gz";
					;;
				"prod-fs")
					ENV_FILE="prod-fs";
					;;
				"prod-rd")
					ENV_FILE="prod-rd";
					;;
				*)
					echo "env is illegal characters"
					exit 0
			esac
			;;
	esac
done

case "$EXECUTE_EVENT" in
	"start")
		if [ -z "${env}" ]; then
			echo "env is blank"
		else
			echo "About to start..."
			start
		fi
		;;
	"stop")
		echo "About to stop..."
		stop
		;;
esac

exit 0

更多：https://cloud.tencent.com/developer/article/1780384