first commit

Dockerfile

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+FROM golang:1.8.0-alpine
+
+ADD . /go/src/app
+
+WORKDIR /go/src/app
+
+RUN GOOS=linux GOARCH=386 go build -v -o /go/src/app/jenkins-app
+
+CMD ["./jenkins-app"]

Jenkinsfile

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+node('haimaxy-jnlp') {
+    stage('Clone') {
+      echo "1.Clone Stage"
+      // git url: "https://github.com/cnych/jenkins-demo.git"
+      // checkout scm
+      script {
+        build_tag = sh(returnStdout: true, script: 'git rev-parse --short HEAD').trim()
+    
+        // if (env.BRANCH_NAME != 'master') {
+        //     build_tag = "${env.BRANCH_NAME}-${build_tag}"
+        // }
+      }
+    }
+    stage('Test') {
+      echo "2.Test Stage"
+    }
+    stage('Build') {
+      echo "3.Build Docker Image Stage"
+      sh "docker build -t 120.78.76.88/cnych/jenkins-demo:${build_tag} ."
+    }
+    stage('Push') {
+      echo "4.Push Docker Image Stage"
+      withCredentials([usernamePassword(credentialsId: 'qniao-harbor-88', passwordVariable: 'qniao-harbor-88Password', usernameVariable: 'qniao-harbor-88User')]) {
+        sh "docker login -u ${qniao-harbor-88User} -p ${qniao-harbor-88Password} 120.78.76.88"
+        sh "docker push 120.78.76.88/cnych/jenkins-demo:${build_tag}"
+      }
+    }
+    stage('YAML') {
+      echo "5. Change YAML File Stage"
+      def userInput = input(
+          id: 'userInput',
+          message: 'Choose a deploy environment',
+          parameters: [
+              [
+                  $class: 'ChoiceParameterDefinition',
+                  choices: "Dev\nQA\nProd",
+                  name: 'Env'
+              ]
+          ]
+      )
+      echo "This is a deploy step to ${userInput.Env}"
+      sh "sed -i 's/<BUILD_TAG>/${build_tag}/' k8s.yaml"
+      sh "sed -i 's/<BRANCH_NAME>/${env.BRANCH_NAME}/' k8s.yaml"
+    }
+    stage('Deploy') {
+      echo "6. Deploy Stage"
+      if (userInput.Env == "Dev") {
+        // deploy dev stuff
+      } else if (userInput.Env == "QA"){
+        // deploy qa stuff
+      } else {
+        // deploy prod stuff
+        // input "确认要部署线上环境吗？"
+      }
+      sh "kubectl apply -f k8s.yaml"
+    }
+}

README.md

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+# jenkins-demo
+some demo project for jenkins

k8s.yaml

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+apiVersion: apps/v1
+kind: Deployment
+metadata:
+  name: jenkins-demo
+  namespace: default
+spec:
+  selector:
+    matchLabels:
+      app: jenkins-demo
+  template:
+    metadata:
+      labels:
+        app: jenkins-demo
+    spec:
+      containers:
+      - image: cnych/jenkins-demo:<BUILD_TAG>
+        imagePullPolicy: IfNotPresent
+        name: jenkins-demo
+        env:
+        - name: branch
+          value: <BRANCH_NAME>

main.go

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+package main
+
+// Import the fmt for formatting strings
+// Import os so we can read environment variables from the system
+import (
+	"fmt"
+	"os"
+)
+
+func main() {
+	fmt.Println("Hello, Kubernetes！I'm from Jenkins CI！")
+	fmt.Println("BRANCH_NAME:", os.Getenv("branch"))
+}