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Apache-2.0

javaFastStart

介绍

分享一个针对java项目的shell脚本。经过几个项目的使用,确实很方便哈。 主要是springboot项目,linux环境。 非常方便的启动/关闭 java项目。滚动查看最新输出日志。以及打开debug模式,进行远程断点调试。

3分钟使用教程

1,目录文件说明。 使用当前脚本之前,需要一个固定的目录结构(非必须,可自定义)。 输入图片说明

  • config目录下,可以放你本地的配置文件。一般开发过程中,有开发环境,测试环境,灰度环境,生产环境。各环境有不同的配置文件,先将配置文件存放在不同的环境中。发布的时候就不需要再去修改本地的配置文件,直接上传jar包即可。
  • lib目录下,存放你项目依赖的jar包。我们在发布项目的时候,可以把依赖和项目打包到一个jar中。也可以把项目和依赖分离出来。这样发布的时候只需要上传业务jar(一般几百kb),能够提高上传速度。当然,也有不方便的地方,就是加入你引入新的jar要及时更新到各环境中去。否则遗忘了,启动不起来,也挺麻烦的。我一般的做法是测试环境依赖分离,灰度环境和生产环境都是打到一起的。
  • logs目录,很简单就是存放日志文件的目录。一般我们配置日志文件的时候都会指定日志的输出目录,每个日志文件大小也要手动指定。这样logs目录下会有许多日志文件,在滚动查看的时候也会不太方便。
  • demo文件就是我分享的这个脚本文件
  • demo-0.0.1-SNAPSHOT.jar 就是我用来演示这个脚本使用方式的简单工程。
  • demo-0.0.1-SNAPSHOT.jar.back 这个文件就是我做的一个半包项目,它只有200多kb。一秒上云,非常方便。

2,脚本使用说明。

  • 首先把config,lib,logs几个目录建好。将demo文件,和jar包上传到linux服务器。
  • 当前目录下 输入命令 chmod +x demo 把执行权限赋给脚本文件
  • 当前目录下 输入命令 ./demo -h 出现下图日志。说明可用

输入图片说明

         -s              启动服务::这个就是全包启动。针对依赖和项目打包到一起的情况。
         -sl             启动服务并打印日志::全包启动,并且启动同时,滚动输出日志。
         -ss             半包 启动服务::这个就是针对 依赖和项目不在一起的情况。
         -rr             半包 重启服务::重启,脚本会先找到项目的PID,然后kill -15,再执行启动命令
         -r              重启服务::重启,脚本会先找到项目的PID,然后kill -15,再执行启动命令
         -rl             重启服务并打印日志::先关闭服务,再启动,启动过程中滚动输出日志
         -c              关闭服务::找到项目pid然后 kill -15。
         -l              打印日志::找到项目日志目录下最新的日志文件,滚动输出
         -d              用debug模式启动服务 (全包启动)需要指定一个端口 ./demo -d 8080
                                在你的idea工具上配置这个端口。就能远程调试了。
         -dd             用debug模式启动服务 (半包启动)
         -h              查看帮助命令

3,脚本实践。 在实际应用中,你还需要到脚本文件中指定一下你的jar名称。

  • 打开demo脚本,将变量 pro_name="demo-0.0.1-SNAPSHOT.jar" 改成你自己的 xxx-x-x.jar就行了。
  • 你还可以把demo这个脚本的文件名,改成你想要的名字 xxx。这样你在使用的时候可以 ./xxx -h 就可以执行了。

4,扩展。

自定义日志输出目录 在使用过程中,你可能输出的日志目录和上述标准结构不同。也没有关系 在脚本中:

print_logs(){
	log_file=$(ls -lt ${path}/logs | grep .log | head -n 1 | awk '{print $9}')
	echo ${log_file}
        // ${path}/logs 修改这个值 比如 url="/usr/local/logs/${log_file}" 
        // 其中 ${log_file}是脚本在此目录下,找到的最新日志文件名称。不要去动
	url="${path}/logs/${log_file}" 
	echo ${url}
	tail -f ${url}
}

抽离依赖 在maven的pom文件里的 plugins 标签下。这样添加如下配置

<plugin>
    <groupId>org.springframework.boot</groupId>
    <artifactId>spring-boot-maven-plugin</artifactId>
    <configuration>
        <layout>ZIP</layout>
        <includes>
            <!-- 不含依赖 -->
            <include>
                <groupId>nothing</groupId>
                <artifactId>nothing</artifactId>
            </include>
        </includes>
    </configuration>
</plugin>
<plugin>
    <groupId>org.apache.maven.plugins</groupId>
    <artifactId>maven-dependency-plugin</artifactId>
    <executions>
        <execution>
            <id>copy-dependencies</id>
            <phase>package</phase>
            <goals>
                <goal>copy-dependencies</goal>
            </goals>
            <configuration>
                <type>jar</type>
                <includeTypes>jar</includeTypes>
                <includeScope>runtime</includeScope>
                <outputDirectory>
                    ${project.build.directory}/lib
                </outputDirectory>
            </configuration>
        </execution>
    </executions>
</plugin>

远程断点配置 ,IDEA编辑器,eclipse没配置过。百度一下吧

第一步

输入图片说明

第二步

输入图片说明

第三步

输入图片说明

最后点击

输入图片说明

你的远程服务需要以debug模式运行噢。

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简介

分享一个针对java项目的shell脚本。经过几个项目的使用,确实很方便哈。 主要是springboot项目。 非常方便的启动/关闭 java项目。滚动查看最新输出日志。以及打开debug模式,进行远程断点调试。 展开 收起
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