5--拉流水线步骤、jenkinsfile

目录

• 编写流水线步骤
• jenkinsfile

编写流水线步骤

再去创建流水线

1.拉代码

如果有需要再做并行

3.构建容器

思考：

file的内容怎么变成可复用的？任何一个项目都可以用这个流水线

在什么地方运行？每运行的步骤的修改？

jenkinsfile

pipeline {
  agent {
    kubernetes {
      cloud "${KUBERNETES_NAME}"
      slaveConnectTimeout 1200
      yaml '''

apiVersion: v1
kind: Pod
spec:
  containers:
    - name: jnlp
      image: jenkins/inbound-agent:4.7-1-jdk11
      args: [\'$(JENKINS_SECRET)\', \'$(JENKINS_NAME)\']
      imagePullPolicy: IfNotPresent
      volumeMounts:
        - mountPath: "/etc/localtime"
          name: "volume-2"
          readOnly: false
    - name: docker
      image: docker:19.03.15-git
      imagePullPolicy: IfNotPresent
      tty: true
      volumeMounts:
        - mountPath: "/etc/localtime"
          name: "volume-2"
          readOnly: false
        - mountPath: "/var/run/docker.sock"
          name: "volume-docker"
          readOnly: false
        - mountPath: "/etc/hosts"
          name: "volume-hosts"
          readOnly: false
    - name: kubectl
      image: registry.cn-beijing.aliyuncs.com/citools/kubectl:1.17.4
      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: "/root/.kube"
          name: "kubeconfig"
          readOnly: false
        - mountPath: "/.kube"
          name: "kubeconfig"
          readOnly: false
    - name: golang
      image: golang:1.16.3
      imagePullPolicy: IfNotPresent
      tty: true
      env:
        - name: "LANGUAGE"
          value: "en_US:en"
        - name: "LC_ALL"
          value: "en_US.UTF-8"
        - name: "LANG"
          value: "en_US.UTF-8"
      command:
        - "cat"
      volumeMounts:
        - mountPath: "/etc/localtime"
          name: "volume-2"
          readOnly: false
    - name: maven
      image: maven:3.6.3-openjdk-8
      tty: true
      command:
        - "cat"
      volumeMounts:
        - mountPath: "/etc/localtime"
          name: "volume-2"
          readOnly: false
        - mountPath: "/root/.m2/repository"
          name: "volume-maven-repo"
          readOnly: false
      env:
        - name: "LANGUAGE"
          value: "en_US:en"
        - name: "LC_ALL"
          value: "en_US.UTF-8"
        - name: "LANG"
          value: "en_US.UTF-8"
  volumes:
    - name: volume-maven-repo
      emptyDir: {}
    - name: volume-2
      hostPath:
        path: "/usr/share/zoneinfo/Asia/Shanghai"
    - name: kubeconfig
      secret:
        secretName: kubeconfig
        items:
          - key: config
            path: config
    - name: volume-docker
      hostPath:
        path: "/var/run/docker.sock"
    - name: volume-hosts
      hostPath:
        path: /etc/hosts

'''
    }
  }
  
  stages {


    stage('源代码管理') {
      parallel {
        stage('拉取代码') {
          steps {
            git(url: "${GIT_REPOSITORY_URL}", branch: "master", changelog: true, credentialsId: "${CREDENTIALS_ID}")
          }
        }

        stage('系统检查及初始化') {
          steps {
            sh """

            echo "Check Sysyem Env"

"""
          }
        }

      }
    }

    stage('代码处理') {
      steps {
        sh """
        
        git checkout $GIT_TAG

        """
      }
    }

    stage('代码编译') {
      steps {
        container(name: 'maven') {
          sh """
            mvn clean package -DskipTests
          """
        }
      }
    }
    stage('编译及构建') {
      parallel {
        stage('初始化操作系统及kubernetes环境') {
          steps {
            script {
              CommitID = sh(returnStdout: true, script: "git log -n 1 --pretty=format:'%h'").trim()
              CommitMessage = sh(returnStdout: true, script: "git log -1 --pretty=format:'%h : %an  %s'").trim()
              def curDate = sh(script: "date '+%Y%m%d-%H%M%S'", returnStdout: true).trim()
              TAG = curDate[0..14] + "-" + CommitID + "-master"
            }
          }
        }

      }
    }

    stage('构建镜像及检查kubernetes环境') {
      parallel {
        stage('构建镜像') {
          steps {
            withCredentials([usernamePassword(credentialsId: "${DOCKER_REPOSITORY_CREDENTIAL_ID}", passwordVariable: "Password", usernameVariable: "Username")]) {
              container(name: 'docker') {
                sh """
                  docker build -t ${HARBOR_HOST}/${NAMESPACE_NAME}/${REPOSITORY_NAME}:${TAG} .
                  docker login ${HARBOR_HOST} --username=${Username} --password=${Password}
                  docker push ${HARBOR_HOST}/${NAMESPACE_NAME}/${REPOSITORY_NAME}:${TAG}
                """
              }
            }
          }
        }

        stage('Check Kubernetes ENV') {
          steps {
              withCredentials([usernamePassword(credentialsId: "${DOCKER_REPOSITORY_CREDENTIAL_ID}", passwordVariable: "Password", usernameVariable: "Username")]) {
                container(name: 'kubectl') {
                sh """
                    kubectl get nodes --kubeconfig=/root/.kube/config
                    kubectl delete secret aliyun-registry-key -n ${K8S_NAMESPACE_NAME}
                    kubectl create secret docker-registry aliyun-registry-key -n ${K8S_NAMESPACE_NAME} --docker-server=${HARBOR_HOST} --docker-username=${Username} --docker-password=${Password} --kubeconfig=/root/.kube/config
    """
                }
              }
          }
        }

      }
    }

    stage('Deploy Image to Kubernetes') {
      steps {
        container(name: 'kubectl') {
              sh """
               kubectl set image ${CONTROLLER_TYPE} -l ${CONTROLLER_LABEL} -n ${K8S_NAMESPACE_NAME} ${CONTAINER_NAME}=${HARBOR_HOST}/${NAMESPACE_NAME}/${REPOSITORY_NAME}:${TAG} --kubeconfig=/root/.kube/config
"""
        }
      }
    }

    stage('Test Service') {
      steps {
        sh 'sleep 10'
      }
    }

    stage('Send Email to Admin') {
      steps {
        sh 'sleep 10'
      }
    }

  }
}