pipeline {
  agent {
    node {
      label 'maven'
    }
  }

    parameters {
        string(name:'TAG_NAME',defaultValue: '',description:'')
    }

    environment {
        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'
    }

    stages {
        stage ('checkout scm') {
            steps {
                checkout(scm)
            }
        }

        stage ('unit test') {
            steps {
                container ('maven') {
                    sh 'mvn clean -o -gs `pwd`/configuration/settings.xml test' // 通过单元测试
                }
            }
        }

        stage ('build & push') {
            steps {
                container ('maven') {
                    sh 'mvn -o -Dmaven.test.skip=true -gs `pwd`/configuration/settings.xml clean package' // 代码编译 注意去掉-o
                    sh 'docker build -f Dockerfile-online -t $REGISTRY/$DOCKERHUB_NAMESPACE/$APP_NAME:SNAPSHOT-$BRANCH_NAME-$BUILD_NUMBER .' // 根据docker file生成镜像
                    withCredentials([usernamePassword(passwordVariable : 'DOCKER_PASSWORD' ,usernameVariable : 'DOCKER_USERNAME' ,credentialsId : "$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' // 推送镜像至docker hub镜像仓库
                    }
                }
            }
        }

        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 '
                }
           }
        }

        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 '
          }
          }
        }
        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")
          }
        }
    }
}