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README
Apache-2.0

基于springboot构建流水线示例项目

Jenkinsfile in SCM 意为将 Jenkinsfile 文件本身作为源代码管理 (Source Control Management) 的一部分,根据该文件内的流水线配置信息快速构建工程内的 CI/CD 功能模块,比如阶段 (Stage),步骤 (Step) 和任务 (Job)。因此,在代码仓库中包含 Jenkinsfile。

项目介绍

本项目为kubesphere 基于springboot构建流水线示例项目,具体参见kubesphere V2.1教程,V3.0教程

项目中包含Jenkinsfile in SCM :Jenkinsfile-online文件(Jenkinsfile in SCM 意为将 Jenkinsfile 文件本身作为源代码管理 (Source Control Management) 的一部分),kubesphere 内置Jenkins容器,Jenkins可以根据该文件内的流水线配置信息快速构建工程内的 CI/CD 功能模块,比如阶段 (Stage),步骤 (Step) 和任务 (Job)。

Jenkinsfile 来创建流水线,流水线共包括 8 个阶段,最终将演示示例部署到 KubeSphere 集群中的开发环境和生产环境且能够通过公网访问。 仓库中的 dependency 分支为缓存测试用例,测试方式与 master 分支类似,对 dependency 的多次构建可体现出利用缓存可以有效的提升构建速度。

项目使用

  • 项目完成fork后,根据教程修改 Jenkinsfile-online中的环境变量为您自己值。

  • 根据教程,使用项目管理员 project-admin账号登录 KubeSphere,在之前创建的企业空间 (demo-workspace) 下,点击 项目 → 创建,创建两个 资源型项目 kubesphere-sample-dev 、kubesphere-sample-prod

    • 名称:固定为 kubesphere-sample-dev,kubesphere-sample-prod,若需要修改项目名称则需在本项目中的 [deploy/dev-ol/] 、 [deploy/prod-ol/]中修改 namespace 属性

    Jenkinsfile-online文件介绍

    考虑到初学者可能对Jenkins文件不熟悉,对此文件进行介绍,方便您理解我们的流水线做了什么.

    pipeline {
      agent {
        node {
          label 'maven'   // 定义流水线的代理为 maven,kubesphere内置了四个默认代理,在目前版本当中我们内置了 4 种类型的 podTemplate,base、						//	nodejs、maven、go,并且在 Pod 中提供了隔离的 Docker 环境。具体参见官方文档
        }
      }
    
        parameters {
            string(name:'TAG_NAME',defaultValue: '',description:'') //定义 流水线描述
        }
            environment {                                        //定义流水线环境变量
            DOCKER_CREDENTIAL_ID = 'dockerhub-id'
            GITHUB_CREDENTIAL_ID = 'github-id'
            KUBECONFIG_CREDENTIAL_ID = 'demo-kubeconfig'
            REGISTRY = 'docker.io'
            DOCKERHUB_NAMESPACE = 'docker_username'
            GITHUB_ACCOUNT = 'kubesphere'
            APP_NAME = 'devops-java-sample'
        }

    Jenkins Agent 说明

    • 第一步检出代码
         stages {
                stage ('checkout scm') {
                    steps {
                        checkout(scm)
                    }
                }
    • 第二步 执行单元测试
          stage ('unit test') {
                steps {
                    container ('maven') {
                        sh 'mvn clean  -gs `pwd`/configuration/settings.xml test'
                    }
                }
            }
    • 第三步 执行单元测试
        stage('push latest'){
               when{
                 branch 'master'
               }
               steps{
                    container ('maven') {
                      sh 'docker tag  $REGISTRY/$DOCKERHUB_NAMESPACE/$APP_NAME:SNAPSHOT-$BRANCH_NAME-$BUILD_NUMBER $REGISTRY/$DOCKERHUB_NAMESPACE/$APP_NAME:latest '
                      sh 'docker push  $REGISTRY/$DOCKERHUB_NAMESPACE/$APP_NAME:latest '
                    }
               }
            }
    
    • 第四步 编译并推送
            stage ('build & push') {
                steps {
                    container ('maven') {
                        sh 'mvn  -Dmaven.test.skip=true -gs `pwd`/configuration/settings.xml clean package'
                        sh 'docker build -f Dockerfile-online -t $REGISTRY/$DOCKERHUB_NAMESPACE/$APP_NAME:SNAPSHOT-$BRANCH_NAME-$BUILD_NUMBER .'
                        withCredentials([usernamePassword(passwordVariable : 'DOCKER_PASSWORD' ,usernameVariable : 'DOCKER_USERNAME' ,credentialsId : "$DOCKER_CREDENTIAL_ID" ,)]) {
                            sh 'echo "$DOCKER_PASSWORD" | docker login $REGISTRY -u "$DOCKER_USERNAME" --password-stdin'
                            sh 'docker push  $REGISTRY/$DOCKERHUB_NAMESPACE/$APP_NAME:SNAPSHOT-$BRANCH_NAME-$BUILD_NUMBER'
                        }
                    }
                }
            }
    • 第五步 推送至docker hub latest版本
        stage('push latest'){
               when{
                 branch 'master'
               }
               steps{
                    container ('maven') {
                      sh 'docker tag  $REGISTRY/$DOCKERHUB_NAMESPACE/$APP_NAME:SNAPSHOT-$BRANCH_NAME-$BUILD_NUMBER $REGISTRY/$DOCKERHUB_NAMESPACE/$APP_NAME:latest '
                      sh 'docker push  $REGISTRY/$DOCKERHUB_NAMESPACE/$APP_NAME:latest '
                    }
               }
            }
    
    • 第六步 弹出审核确认,是否部署到开发环境
     stage('deploy to dev') {
              when{
                branch 'master'
              }
              steps {
                input(id: 'deploy-to-dev', message: 'deploy to dev?')
                kubernetesDeploy(configs: 'deploy/dev-ol/**', enableConfigSubstitution: true, kubeconfigId: "$KUBECONFIG_CREDENTIAL_ID")
              }
            }
            stage('push with tag'){
              when{
                expression{
                  return params.TAG_NAME =~ /v.*/
                }
              }
              steps {
                  container ('maven') {
                    input(id: 'release-image-with-tag', message: 'release image with tag?')
                      withCredentials([usernamePassword(credentialsId: "$GITHUB_CREDENTIAL_ID", passwordVariable: 'GIT_PASSWORD', usernameVariable: 'GIT_USERNAME')]) {
                        sh 'git config --global user.email "kubesphere@yunify.com" '
                        sh 'git config --global user.name "kubesphere" '
                        sh 'git tag -a $TAG_NAME -m "$TAG_NAME" '
                        sh 'git push http://$GIT_USERNAME:$GIT_PASSWORD@github.com/$GITHUB_ACCOUNT/devops-java-sample.git --tags --ipv4'
                      }
                    sh 'docker tag  $REGISTRY/$DOCKERHUB_NAMESPACE/$APP_NAME:SNAPSHOT-$BRANCH_NAME-$BUILD_NUMBER $REGISTRY/$DOCKERHUB_NAMESPACE/$APP_NAME:$TAG_NAME '
                    sh 'docker push  $REGISTRY/$DOCKERHUB_NAMESPACE/$APP_NAME:$TAG_NAME '
              }
              }
            }
    • 第七步 部署到生产环境
          stage('deploy to production') {
              when{
                expression{
                  return params.TAG_NAME =~ /v.*/
                }
              }
              steps {
                input(id: 'deploy-to-production', message: 'deploy to production?')
                kubernetesDeploy(configs: 'deploy/prod-ol/**', enableConfigSubstitution: true, kubeconfigId: "$KUBECONFIG_CREDENTIAL_ID")
              }
            }
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