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基于微服务的CICD实战

本文转载自微信公众号「JAVA日知录」,作者飘渺Jam。转载本文请联系JAVA日知录公众号。

模块介绍

现有 一个微服务项目,按照业务拆分为如下几个模块

  • book-web 前端,采用 Vue MVVM,服务端 Thymeleaf SSR 渲染,友好 SEO MPA。服务端 路由,Spring MVC
  • book-gateway 微服务网关,Spring Cloud Gateway
  • book-service 接口提供方,Spring Cloud Alibaba Dubbo 服务消费方
  • book-server 数据承载方,Spring Cloud Alibaba Dubbo 服务提供方
  • book-common 实体,Dubbo 接口 jar
  • cloud-common 微服务公共 jar
  • common pom
  • school-parent 最上级 父工程 pom

common 继承关系

在项目根路径下执行,Maven 命令,截取 2 段输出

 
 
 
 
  1. mvn clean install -pl com.lab:book-common -am -Ptest
 
 
 
 
  1. [INFO] Reactor Build Order:
  2. [INFO]
  3. [INFO] school_parent                                                      [pom]
  4. [INFO] common                                                             [pom]
  5. [INFO] cloud-common                                                       [jar]
  6. [INFO] book-common                 
 
 
 
 
  1. [INFO] Reactor Summary for school_parent 0.0.1-SNAPSHOT:
  2. [INFO]
  3. [INFO] school_parent ...................................... SUCCESS [  0.761 s]
  4. [INFO] common ............................................. SUCCESS [  0.083 s]
  5. [INFO] cloud-common ....................................... SUCCESS [  6.430 s]
  6. [INFO] book-common ........................................ SUCCESS [  3.236 s]
  7. [INFO] ------------------------------------------------------------------------
  8. [INFO] BUILD SUCCESS
  9. [INFO] ------------------------------------------------------------------------
  10. [INFO] Total time:  11.880 s
  11. [INFO] Finished at: 2020-05-03T14:13:12+08:00
  12. [INFO] ------------------------------------------------------------------------

相关中间件

docker 和 docker-compose 适合 测试环境使用,生产环境用 Kubernetes,安装 步骤命令本站基本都有:http://javadaily.cn/

 
 
 
 
  1. root@jazz-pc:/opt# docker ps --format "table {{.Names}} ------------- {{.Image}}"
  2. NAMES ------------- IMAGE
  3. rmqbroker ------------- apacherocketmq/rocketmq:4.5.2-alpine
  4. rmqnamesrv ------------- apacherocketmq/rocketmq:4.5.2-alpine
  5. seata-server ------------- seataio/seata-server:1.2.0
  6. nacos ------------- nacos/nacos-server:1.2.1
  7. minio ------------- minio/minio
  8. es ------------- elasticsearch:7.6.2
  9. zookeeper ------------- zookeeper
  10. mysql ------------- mysql:5.7
  11. mongo ------------- mongo
  12. redis ------------- redis

Alibaba Sentinel

 
 
 
 
  1. nohup java -Dserver.port=8858 -Dsentinel.dashboard.auth.username=sentinel -Dsentinel.dashboard.auth.password=Aa123456 -jar sentinel-dashboard-1.7.2.jar >sentinel.log 2>&1 &

Maven 环境

 
 
 
 
  1. root@jazz-pc:/opt# mvn -v
  2. Apache Maven 3.6.3 (cecedd343002696d0abb50b32b541b8a6ba2883f)
  3. Maven home: /usr/local/apache-maven-3.6.3
  4. Java version: 11.0.7, vendor: Oracle Corporation, runtime: /usr/local/java/jdk-11.0.7
  5. Default locale: zh_CN, platform encoding: UTF-8
  6. OS name: "linux", version: "5.3.0-51-generic", arch: "amd64", family: "unix"

settings.xml 文件,加个国内镜像

 
 
 
 
  1. <mirror>
  2.  <id>aliyunmaven</id>
  3.  <mirrorOf>*</mirrorOf>
  4.  <name>阿里云公共仓库</name>
  5.  <url>https://maven.aliyun.com/repository/public</url>
  6. </mirror>

顶级父工程 pom.xml 添加,跳过 单元测试 编译和执行

 
 
 
 
  1. <maven.test.skip>true</maven.test.skip>
  2. <skipTests>true</skipTests>

如果有 Maven Nexus,则另外添加设置,install 替换为 deploy

Jenkins

 
 
 
 
  1. nohup java -jar /usr/local/jenkins/jenkins.war --ajp13Port=-1 --httpPort=8086 >/usr/local/jenkins/jenkins.out 2>&1 &

Jenkins JDK 环境 >=1.8 and <=11 目前最新版本不支持 Java 14

Jenkins 安装一般会卡住 2 次,则是去国外下载插件数据缓慢的原因,kill -9 进程 ID,ps -ef | grep jenkins 找到进程 ID。

第一次卡住修改 :/root/.jenkins/hudson.model.UpdateCenter.xml 文件里面链接内容为 国内镜像地址 https://mirrors.tuna.tsinghua.edu.cn/jenkins/updates/update-center.json

第二次卡住执行替换命令:

 
 
 
 
  1. cd /root/.jenkins/updates
  2. sed -i 's/http:\/\/updates.jenkins-ci.org\/download/https:\/\/mirrors.tuna.tsinghua.edu.cn\/jenkins/g' default.json && sed -i 's/http:\/\/www.google.com/https:\/\/www.baidu.com/g' default.json

Git or SVN

 
 
 
 
  1. root@jazz-pc:/opt# which git
  2. /usr/bin/git
  3. root@jazz-pc:/opt# which svn
  4. /usr/bin/svn

Jenkins CI/CD

  • Global Tool Configuration 设置好,JDK,Maven,Git
  • 新建 Item,Freestyle project,如下

Item book-common

  • 源码管理,选择 Git,填写 Repository URL 和 Credentials 设置 Jenkins 凭据
  • 构建 Execute shell
 
 
 
 
  1. #!/bin/bash
  2. cd ./school
  3. mvn clean install -pl com.lab:book-common -am -Ptest
  4. echo 'install ok!'

Item book-web

  • 源码管理 略
  • Execute shell
 
 
 
 
  1. #!/bin/bash
  2. cd ./school/book-web
  3. mvn clean package -Ptest
  4. echo 'package ok!'
  5. echo 'build start!'
  6. service_name="book-web"
  7. service_prot=80
  8. IID=$(docker images | grep "$service_name" | awk '{print $3}')
  9. echo "IID $IID"
  10. if [ -n "$IID" ]
  11. then
  12.     echo "exist $service_name image,IID=$IID"
  13.     docker rmi -f $service_name
  14.     echo "delete $service_name image"
  15.     docker build -t $service_name .
  16.     echo "build $service_name image"
  17. else
  18.     echo "no exist $service_name image,build docker"
  19.     docker build -t $service_name .
  20.     echo "build $service_name image"
  21. fi
  22. CID=$(docker ps -a | grep "$service_name" | awk '{print $1}')
  23. echo "CID $CID"
  24. if [ -n "$CID" ]
  25. then
  26.     echo "exist $service_name container,CID=$CID"
  27.     docker stop $service_name
  28.     docker rm $service_name
  29. else
  30.     echo "no exist $service_name container"
  31. fi
  32. docker run -d --name $service_name \
  33. -v /etc/localtime:/etc/localtime:ro \
  34. -v /etc/timezone:/etc/timezone:ro \
  35. -v /data/logs:/data/logs:rw \
  36. --net=host -p $service_prot:$service_prot $service_name

Item book-gateway

  • 源码管理和 Execute shell 略

Item book-service

  • Execute shell
 
 
 
 
  1. #!/bin/bash
  2. cd ./school/book-server
  3. mvn clean package -Ptest
  4. echo 'package ok!'
  5. echo 'build start!'
  6. service_name="book-server"
  7. service_prot=20880
  8. IID=$(docker images | grep "$service_name" | awk '{print $3}')
  9. echo "IID $IID"
  10. if [ -n "$IID" ]
  11. then
  12.     echo "exist $service_name image,IID=$IID"
  13.     docker rmi -f $service_name
  14.     echo "delete $service_name image"
  15.     docker build --no-cache -t $service_name .
  16.     echo "build $service_name image"
  17. else
  18.     echo "no exist $service_name image,build docker"
  19.     docker build -t $service_name .
  20.     echo "build $service_name image"
  21. fi
  22. CID=$(docker ps -a | grep "$service_name" | awk '{print $1}')
  23. echo "CID $CID"
  24. if [ -n "$CID" ]
  25. then
  26.     echo "exist $service_name container,CID=$CID"
  27.     docker stop $service_name
  28.     docker rm $service_name
  29. else
  30.     echo "no exist $service_name container"
  31. fi
  32. docker run -d --name $service_name \
  33. -e DUBBO_IP_TO_REGISTRY=192.168.1.6 \
  34. -e DUBBO_PORT_TO_REGISTRY=$service_prot \
  35. -e DUBBO_IP_TO_BIND=192.168.1.6 \
  36. -p $service_prot:$service_prot \
  37. -v /etc/localtime:/etc/localtime:ro \
  38. -v /etc/timezone:/etc/timezone:ro \
  39. -v /data/logs:/data/logs:rw \
  40. --net=host \
  41. $service_name

Dockerfile

  • 位置和 pom.xml 路径平级,book-server 内容如下,其他略
 
 
 
 
  1. FROM adoptopenjdk/openjdk11:jdk-11.0.7_10-alpine
  2. VOLUME ["/tmp","/data/logs"]
  3. COPY ./target/book-server-0.0.1-SNAPSHOT.jar book-server.jar
  4. ENTRYPOINT ["java","-Djava.security.egd=file:/dev/./urandom","-jar","/book-server.jar","&"]

book-web 执行构建 Build Now

book-web 前端 浏览器访问

login.html 登录模板示例页面,调用 /api/login 接口,内容如下

 
 
 
 
  1. <!DOCTYPE html>
  2. <html xmlns:th="http://www.thymeleaf.org">
  3. <head>
  4.     <meta charset="UTF-8"/>
  5.     <title>理想生活上天猫,登录页面</title>
  6.     <r th:insert="common/header::#headerApp"/>
  7. </head>
  8. <body>
  9. <div id="app">
  10.     <el-row :gutter="20">
  11.         <el-col :span="24"> </el-col>
  12.     </el-row>
  13.     <el-row :gutter="20">
  14.         <el-col :span="1"> </el-col>
  15.         <el-col :span="4">
  16.             <img alt="我是一只天猫" src="//img.alicdn.com/tfs/TB11ojWRXXXXXafaFXXXXXXXXXX-190-27.png">
  17.         </el-col>
  18.         <el-col :span="19"> </el-col>
  19.     </el-row>
  20.     <el-row :gutter="20">
  21.         <el-col :span="15">
  22.             <img alt="九寨沟" src="/images/JiuZhaiGou.jpg" width="800" height="490">
  23.         </el-col>
  24.         <el-col :span="7">
  25.             <template>
  26.                 <el-tabs v-model="activeName" @tab-click="handleClick">
  27.                     <el-tab-pane label="密码登录" name="first">
  28.                         <el-form ref="form" :model="userForm" label-width="80px">
  29.                             <el-row>
  30.                                 <el-input placeholder="会员名/邮箱/手机号" prefix-icon="el-icon-user" v-model="userForm.name"></el-input>
  31.                             </el-row>
  32.                             <el-row>
  33.                                 <el-input placeholder="请输入密码" prefix-icon="el-icon-lock" v-model="userForm.password" show-password></el-input>
  34.                             </el-row>
  35.                             <el-row>
  36.                                 <el-button @click="login" type="danger">登录</el-button>
  37.                             </el-row>
  38.                         </el-form>
  39.                     </el-tab-pane>
  40.                     <el-tab-pane label="短信登录" name="second">短信登录</el-tab-pane>
  41.                 </el-tabs>
  42.             </template>
  43.         </el-col>
  44.         <el-col :span="2"> </el-col>
  45.     </el-row>
  46. </div>
  47. <r th:replace="common/footer::.footerApp"/>
  48. <script src="/js/request.js"></script>
  49. <script>
  50.     new Vue({
  51.         el: '#app',
  52.         data: {
  53.             userForm:{}, activeName: 'first'
  54.         },
  55.         methods: {
  56.             login() {
  57.                 request({
  58.                     url: '/api/login',method: 'post',data: this.userForm,
  59.                     headers: {
  60.                         'content-type': 'application/json;charset=UTF-8',"token": ''
  61.                     }
  62.                 }).then(response=>{
  63.                     var res = response.data;
  64.                     this.$message(res.message);
  65.                 })
  66.             },
  67.             handleClick(tab, event) {
  68.                 //console.log(tab, event);
  69.             }
  70.         }
  71.     });
  72. </script>
  73. </body>
  74. </html>