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Apache-2.0

#DubboM——Dubbo Micro

##目的 通过利用Dubbo的扩展性以及RPC的模型开发一个满足微服务的要求,通过构建一个RPC的环境,让应用在不依赖外部第三方容器能够进行服务的发布和调用,从而打到应用的隔离以及完整性。应用应该只需要关注与它的服务实现以及服务的调用,而不需要关注服务在处于什么样的一个环境,基于这个便构建了DubboM(Dubbo Micro)。 ##和其他的RPC框架有什么不同 可以说DubboM是基于RPC框架而开发的,是一次进一步的升华。由于企业需要用的不只是一个进行具备RPC功能的框架,而是需要一个基于RPC可实施的方案。框架本身可以理解为一个种工具,而方案则是解决某些业务场景。那么DubboM是解决什么场景呢?那就是微服务。微服务可以理解是一种拆分,一种解耦,一种更细致的服务化途径,同时也是让应用更加轻巧。DubboM提供微服务运行需要的RPC通信环境,并且不依赖外部传统的servlet容器,从而让应用更加清爽。 ##项目获取 如果你还不熟悉git,或者不知道git是什么,请百度,根据相关文档完成git安装以及基本使用

通过一下命令获取DubboM源码:

git clone https://git.oschina.net/bieber/DubboM.git

##构建项目

此处假设你通过上面的git命令把源码下载到本地的/git/DubboM下(后面均以${DubboM_Source_Home}).

cd ${DubboM_Source_Home}

到该目录下面,执行如下目录

./install-${rpc_type}.bat(sh)

其中${rpc_type}分别是dubborestful,dubbo-netty4all

主要是围绕两种协议来做打包,分别是dubborestful,而all是同时打一个包含dubborestful协议的包,并且此时dubbo协议是通过netty4来实现,dubbo-netty4是打出netty4实现的dubbo协议。

执行完上面脚本之后,在${DubboM_Source_Home}/target下面会有DubboM-launcher目录,该目录下有如下几个文件夹:

bin:启动该DubboM-launcher脚本

conf:该应用相关的配置,会加载到classpath下面

libs:DubboM依赖的相关jar文件

apps:该DubboM-launcher负责启动的dubbom应用,将该应用的jar以及相关依赖的jar添加到该目录下

###什么是DubboM-launcher

你可能会问什么是DubboM-launcher,DubboM-launcher可以理解为是一个DubboM应用的启动器,可以简单理解为和servlet容器的tomcat或者jetty类似,但是唯一不同的是tomcat可以管理多个应用实体,但是DubboM-launcher有且只能有一个应用,只要你把你的应用jar拷贝到apps目录下,你可以把DubboM-launcer 拷贝到任何地方,任何物理节点,或者虚机或者是docker,因为它已经具备了该应用运行的完整环境。

###直接获取DubboM-launcher

从下面链接可以下载对应不同版本的launcher

DubboM-launcher同时支持restful和dubbo协议版本

DubboM-launcher支持dubbo协议(netty3)版本

DubboM-launcher支持dubbo协议(netty4)版本

DubboM-launcher支持restful协议版本

选择上面其中一个下载下来之后,解压到你们机器的某个目录,阅读里面的readme.txt

##搭建DubboM项目 首先创建一个maven项目,并且在pom中添加如下依赖:

<dependency>
    <groupId>net.dubboclub</groupId>
    <artifactId>DubboM-all</artifactId>
    <version>BE-FE-1.0.1</version>
    <scope>provide</scope>
</dependency>

注意此时的scopeprovide,因为这只是为了让代码编译通过,并不是涉及项目的打包。

接下来需要进行的就是和用dubbo框架开发RPC服务或者消费服务一样以及应用自身的业务开发。

###依赖dubbom的插件

为了更加便捷的进行DubboM的开发,这边提供了一个maven的插件。需要在你的项目pom中添加如下信息

<build>
        <plugins>
            <plugin>
                <groupId>net.dubboclub.maven</groupId>
                <artifactId>dubbom-maven-plugin</artifactId>
                <version>1.0.5</version>
                <configuration>
                		<!--配置dubbom的配置文件,该配置文件的配置内容和dubbo.properties一样,默认是classpath下面的dubbom.properties-->
                    <dubbomProperties>dubbo.properties</dubbomProperties>
                    <!--配置spring相关xml的配置文件路径,默认是classpath*:META-INF/spring/*.xml-->
                    <springXMLPath>classpath*:META-INF/spring/*.xml</springXMLPath>
                    <!--项目输出目录,默认是在项目的target下的项目名下(target/${projectname})-->
                    <targetDir>/User/bieber/dubbom-provider</targetDir>
                </configuration>
            </plugin>
        </plugins>
</build>

注意:上面添加的插件依赖,必须是添加在你maven项目的主模块里面。

同时在maven的setting.xml中添加相关配置

<setting>
......
 <pluginGroups>
    <pluginGroup>net.dubboclub.maven</pluginGroup>
  </pluginGroups>
......
</setting>

依赖这些便完成了对DubboM项目开发所需要准备的信息。

##对DubboM项目进行打包 通过上面依赖dubbom的maven插件,可以通过运行该插件来进行打包。

通过执行mvn dubbom:pack,那么就会把项目编译后的jar输出在配置的targetDir下面

##对DubboM项目开发调试 同样通过dubbom的maven插件,也可以进行开发调试

执行mvn dubbom:run

##对DubboM项目发布部署

项目的发布比较简单,只需要将上面执行打包的输出在targetDir下面的xxx.tar.gz拷贝到DubboM-launcher(后面成为${DubboM-launcher-HOME})的apps下面。然后执行${DubboM-launcher-HOME}/bin目录下的start.sh(bat)则启动了该应用。

注意:在启动应用之前,请确认是否将${DubboM-launcher-HOME}/conf/dubbom.properties文件配置完毕(详细请求阅读${DubboM-launcher-HOME}/readme.txt文件)。

这里有一个DubboM的demo的地址:https://git.oschina.net/bieber/dubbom-demo.git

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