pipeline {
    environment {
        DOCKER_REPOSITORY_CREDENTIAL_ID = "7cc63152-c727-40fc-b177-d8397396f1ba"
        HARBOR_HOST = "registry.cn-hangzhou.aliyuncs.com"
        NAMESPACE_NAME = "newrain_wang"
        REPOSITORY_NAME = "my-web-app"
        TAG = "v1.0"
        REPLICAS = 4
        YAML_PATH = "k8s"
    }
    agent {
        kubernetes {
            cloud "kubernetes"
            yaml """
apiVersion: v1
kind: Pod
spec:
  containers:
    - name: jnlp
      image: jenkins/inbound-agent:3107.v665000b_51092-15
      args: ['\$(JENKINS_SECRET)', '\$(JENKINS_NAME)']
      imagePullPolicy: IfNotPresent
      volumeMounts:
        - mountPath: "/etc/localtime"
          name: "volume-2"
          readOnly: false
    - name: kubectl
      image: bitnami/kubectl:1.22.0
      imagePullPolicy: IfNotPresent
      tty: true
      command: ["cat"]
      volumeMounts:
        - mountPath: "/etc/localtime"
          name: "volume-2"
          readOnly: false
        - mountPath: "/var/run/docker.sock"
          name: "volume-docker"
          readOnly: false
        - mountPath: "/.kube/config"
          subPath: config
          name: "kubeconfig"
          readOnly: false
    - name: docker
      image: docker:19.03.15-git
      command: ['cat']
      tty: true
      volumeMounts:
        - mountPath: "/var/run/docker.sock"
          name: "volume-docker"
          readOnly: false
  volumes:
    - name: volume-2
      hostPath:
        path: "/usr/share/zoneinfo/Asia/Shanghai"
    - name: volume-docker
      hostPath:
        path: "/var/run/docker.sock"
    - name: kubeconfig
      secret:
        secretName: kubeconfig
        items:
          - key: config
            path: config
"""
        }
    }
    stages {
        stage('构建镜像') {
            steps {
                withCredentials([usernamePassword(credentialsId: env.DOCKER_REPOSITORY_CREDENTIAL_ID, passwordVariable: 'PASSWORD', usernameVariable: 'USERNAME')]) {
                    container('docker') {
                        sh """
                          docker build -t ${env.HARBOR_HOST}/${env.NAMESPACE_NAME}/${env.REPOSITORY_NAME}:${env.TAG} .
                          docker login ${env.HARBOR_HOST} --username ${env.USERNAME} --password ${env.PASSWORD}
                          docker push ${env.HARBOR_HOST}/${env.NAMESPACE_NAME}/${env.REPOSITORY_NAME}:${env.TAG}
                        """
                    }
                }
            }
        }
        stage('部署到kubernetes') {
          steps {
            container('kubectl') {
              sh """
                sed -i "s/REPLICAS/${env.REPLICAS}/;s/HARBOR_HOST/${env.HARBOR_HOST}/;s/NAMESPACE_NAME/${env.NAMESPACE_NAME}/;s/REPOSITORY_NAME/${env.REPOSITORY_NAME}/;s/TAG/${env.TAG}/" ${env.YAML_PATH}
                kubectl apply -f ${env.YAML_PATH}
              """
            }

          }
        }
    }
}