Java 应用 JAR 包部署启动脚本

目录结构

[txrd@host-148 /data/user-center]$ tree -af 
.
├── ./project 
│ └── ./user-center-server.jar 
└── ./logs 
│ └── ./info.log
│ └── ./error.log
│ └── ./warn.log
│ └── ./stdout.log
└── ./restart.sh

restart.sh 脚本

#!/usr/bin/env bash

# @Author: YL
# @Date:   2019-05-08 15:52:30
# @Last Modified by:   YL
# @Last Modified time: 2022-05-21 13:28:19

export LANG=en_US.UTF-8

cd `dirname $0`
CURRENT_DIR=`pwd`
LOGS_DIR=$CURRENT_DIR/logs
STDOUT_FILE=$CURRENT_DIR/logs/stdout.log
PROJECT_HOME=$CURRENT_DIR/project
JAR_FILE=$PROJECT_HOME/user-center-server.jar

mkdir -p ${LOGS_DIR}

# pid
PIDS=`ps -ef | grep java | grep -v grep | grep "$JAR_FILE" | awk '{print $2}'`

# JVM options
JAVA_OPT="-server -Xms1g -Xmx1g -Xss256k"
JAVA_OPT="${JAVA_OPT} -Dloader.path=${PROJECT_HOME}/lib/ -Djava.io.tmpdir=${LOGS_DIR}"
JAVA_OPT="${JAVA_OPT} -XX:+DisableExplicitGC -XX:+UseConcMarkSweepGC -XX:+CMSParallelRemarkEnabled -XX:LargePageSizeInBytes=128m -XX:+UseFastAccessorMethods -XX:+UseCMSInitiatingOccupancyOnly -XX:CMSInitiatingOccupancyFraction=70"
JAVA_OPT="${JAVA_OPT} -XX:+HeapDumpOnOutOfMemoryError -XX:HeapDumpPath=${LOGS_DIR}/dump-`date +"%Y-%m-%d"`.hprof"
JAVA_OPT="${JAVA_OPT} -Ddubbo.protocol.port=20886"
JAVA_OPT="${JAVA_OPT} -Dspring.profiles.active=pro -Dfile.encoding=UTF-8"
JAVA_OPT="${JAVA_OPT} -jar ${JAR_FILE}"

# Graceful shutdown
function gracefulShutdown(){
    if [ -z "$PIDS" ]; then
        echo "[$(date '+%Y-%m-%d %H:%M:%S')] $JAR_FILE does not started!" | tee -a $STDOUT_FILE
    else
        echo "[$(date '+%Y-%m-%d %H:%M:%S')] $JAR_FILE kill $PIDS begining" | tee -a $STDOUT_FILE
        for PID in $PIDS ; do
            kill $PID > /dev/null 2>&1
        done

        # check for graceful shutdown
        COUNT=0
        while [ $COUNT -lt 1 ]; do
            sleep 1
            COUNT=1
            for PID in $PIDS ; do
                PID_EXIST=`ps -f -p $PID | grep java`
                if [ -n "$PID_EXIST" ]; then
                    COUNT=0
                    break
                fi
            done
        done
	echo "[$(date '+%Y-%m-%d %H:%M:%S')] $JAR_FILE kill $PID success" | tee -a $STDOUT_FILE
    fi
}

function operate(){
    if [[ "$1" = "kill" ]]; then
        gracefulShutdown
    elif [[ "$1" = "start" ]] ; then
        # check JAVA_HOME ENV
        if [[ -z ${JAVA_HOME} ]]; then
           echo "[$(date '+%Y-%m-%d %H:%M:%S')] $JAR_FILE 未配置 JAVA_HOME 环境变量" | tee -a $STDOUT_FILE
           exit 1
        fi
        echo "[$(date '+%Y-%m-%d %H:%M:%S')] $JAR_FILE JAVA_HOME=${JAVA_HOME}" | tee -a $STDOUT_FILE
        
        cd $PROJECT_HOME
        # starting
        nohup $JAVA_HOME/bin/java $JAVA_OPT >> $STDOUT_FILE 2>&1 &
        PIDS=`ps -ef | grep java | grep -v grep | grep "$JAR_FILE" | awk '{print $2}'`
        echo "[$(date '+%Y-%m-%d %H:%M:%S')] $JAR_FILE started OK! pid: $PIDS" | tee -a $STDOUT_FILE
    else
        echo "[$(date '+%Y-%m-%d %H:%M:%S')] $JAR_FILE is not support $1" | tee -a $STDOUT_FILE
    fi
}

if [[ "$1" = "start" || "$1" = "check" ]]; then
    if [ -n "$PIDS" ]; then
        echo "[$(date '+%Y-%m-%d %H:%M:%S')] $JAR_FILE already started! pid: $PIDS" >> $STDOUT_FILE
        exit 1
    fi
    operate start
elif [[ "$1" = "" || "$1" = "restart" ]]; then
    operate kill
    echo "[$(date '+%Y-%m-%d %H:%M:%S')] $JAR_FILE starting" | tee -a $STDOUT_FILE
    ls -d -t $LOGS_DIR/undertow* | tail -n +3 | xargs rm -rf
    operate start
elif [[ "$1" = "kill" ]]; then
    operate kill
else
    echo "[$(date '+%Y-%m-%d %H:%M:%S')] $JAR_FILE is not support $1" | tee -a $STDOUT_FILE
fi