pipeline {
  agent any
  environment {
    CODING_DOCKER_REG_HOST = "${CCI_CURRENT_TEAM}-docker.pkg.${CCI_CURRENT_DOMAIN}"
    CODING_DOCKER_IMAGE_NAME = "${PROJECT_NAME.toLowerCase()}/${DOCKER_REPO_NAME}/${DOCKER_IMAGE_NAME}"
  }
  stages {
    stage("检出") {
      steps {
        checkout(
          [$class: 'GitSCM',
          branches: [[name: GIT_BUILD_REF]],
          userRemoteConfigs: [[
            url: GIT_REPO_URL,
              credentialsId: CREDENTIALS_ID
            ]]]
        )
      }
    }
        
    stage('安装依赖') {
      steps {
        sh "pip3.7 install -r requirements.txt"
      }
    }
    
    stage('单元测试') {
      
      steps {
        sh "pytest --junitxml=reports/test-result.xml"
      }
      post {
        always {
          // 收集测试报告
          junit 'reports/**/*.xml'
        }
      }
    }
    
    stage('构建镜像并推送到 CODING Docker 制品库') {
      steps {
        sh "docker build -t ${CODING_DOCKER_IMAGE_NAME}:${DOCKER_IMAGE_VERSION} -f ${DOCKERFILE_PATH} ${DOCKER_BUILD_CONTEXT}"
        useCustomStepPlugin(
          key: 'coding-public:artifact_docker_push',
          version: 'latest',
          params: [
            image:"${CODING_DOCKER_IMAGE_NAME}:${DOCKER_IMAGE_VERSION}",
            repo:"${DOCKER_REPO_NAME}"
          ]
        )
      }
    }
    
    stage("部署到远端服务") {
      steps {
        script {
          def remoteConfig = [:]
          remoteConfig.name = "my-remote-server"
          remoteConfig.host = "${REMOTE_HOST}"
          remoteConfig.port = "${REMOTE_SSH_PORT}".toInteger()
          remoteConfig.allowAnyHosts = true

          withCredentials([
            sshUserPrivateKey(
              credentialsId: "${REMOTE_CRED}",
              keyFileVariable: "privateKeyFilePath"
            ),
            usernamePassword(
              credentialsId: "${CODING_ARTIFACTS_CREDENTIALS_ID}",
              usernameVariable: 'CODING_DOCKER_REG_USERNAME',
              passwordVariable: 'CODING_DOCKER_REG_PASSWORD'
            )
          ]) {
            // SSH 登陆用户名
            remoteConfig.user = "${REMOTE_USER_NAME}"
            // SSH 私钥文件地址
            remoteConfig.identityFile = privateKeyFilePath

            // 请确保远端环境中有 Docker 环境
            sshCommand(
              remote: remoteConfig,
              command: "docker login -u ${CODING_DOCKER_REG_USERNAME} -p ${CODING_DOCKER_REG_PASSWORD} ${CODING_DOCKER_REG_HOST}",
              sudo: true,
            )

            sshCommand(
              remote: remoteConfig,
              command: "docker rm -f python-flask-app | true",
              sudo: true,
            )

            // DOCKER_IMAGE_VERSION 中涉及到 GIT_LOCAL_BRANCH / GIT_TAG / GIT_COMMIT 的环境变量的使用
            // 需要在本地完成拼接后，再传入到远端服务器中使用
            DOCKER_IMAGE_URL = sh(
              script: "echo ${CODING_DOCKER_REG_HOST}/${CODING_DOCKER_IMAGE_NAME}:${DOCKER_IMAGE_VERSION}",
              returnStdout: true
            )

            sshCommand(
              remote: remoteConfig,
              command: "docker run -d -p 5000:5000 --name python-flask-app ${DOCKER_IMAGE_URL}",
              sudo: true,
            )

            echo "部署成功，请到 http://${REMOTE_HOST}:5000 预览效果"
          }
        }
      }
    }
  }
}