Fixtotest

.eslintrc.js

@@ -0,0 +1,8 @@
+module.exports = {
+    "extends": "airbnb-base",
+    "plugins":["jasmine"],
+    "env": {
+        "jasmine": true,
+        "jest":true
+      }
+};

.gitignore

@@ -1 +1,4 @@
 /node_modules/*
+package-lock.json
+coverage/*
+junit.xml

.vscode/launch.json

@@ -0,0 +1,23 @@
+{
+    // Use IntelliSense to learn about possible attributes.
+    // Hover to view descriptions of existing attributes.
+    // For more information, visit: https://go.microsoft.com/fwlink/?linkid=830387
+    "version": "0.2.0",
+    "configurations": [
+        {
+            "type": "node",
+            "request": "launch",
+            "name": "Jest All",
+            "program": "${workspaceFolder}/node_modules/jest/bin/jest",
+            "args": ["--runInBand"],
+            "console": "integratedTerminal",
+            "internalConsoleOptions": "neverOpen"
+          },
+        {
+            "type": "node",
+            "request": "launch",
+            "name": "Launch Program",
+            "program": "${workspaceFolder}\\server.js"
+        }
+    ]
+}

Dockerfile

@@ -14,4 +14,4 @@ WORKDIR /web
 RUN npm install
 
 EXPOSE  8080
-ENTRYPOINT ["nodejs", "./index.js"]
+ENTRYPOINT ["npm", "start"]

Jenkinsfile

@@ -0,0 +1,114 @@
+def namespace = "example-hello-world"
+def label = "mypod-${UUID.randomUUID().toString()}"
+podTemplate(label: label, serviceAccount: "jenkins", cloud: "example", yaml: """
+apiVersion: v1 
+kind: Pod 
+metadata: 
+    name: jenkins-slave-nodejs 
+spec: 
+    containers: 
+      - name: jnlp 
+        image: tlitovsk/jenkins-jnlp:latest
+        imagePullPolicy: Always
+        env: 
+          - name: DOCKER_HOST 
+            value: tcp://localhost:2375 
+      - name: dind-daemon 
+        image: docker:18-dind 
+        resources: 
+            requests: 
+                cpu: 20m 
+                memory: 512Mi 
+        securityContext: 
+            privileged: true 
+        volumeMounts: 
+          - name: docker-graph-storage 
+            mountPath: /var/lib/docker 
+    volumes: 
+      - name: docker-graph-storage 
+        emptyDir: {}
+"""
+)
+{
+    node(label) {
+        try {
+            stage('Checkout'){
+                checkout scm
+            }
+
+            stage('Lint Dockerfiles')
+            {
+                sh 'dockerlint Dockerfile'
+                sh 'dockerlint TestContainer/Dockerfile'
+            }
+            stage('Test'){
+                env.NODE_ENV = "test"
+                print "Environment will be : ${env.NODE_ENV}"
+                sh 'node -v'
+                sh 'npm install'
+                sh 'npm test'
+                junit('junit.xml')
+            }
+            if (env.BRANCH_NAME != 'master') {
+                stage ('SonarQube analysis')
+                {
+                    withSonarQubeEnv('QubeR') {
+                    // requires SonarQube Scanner for Maven 3.2+
+                        sh '/usr/lib/node_modules/sonarqube-scanner/dist/bin/sonar-scanner'
+                    }
+                }
+            }
+            stage('Build'){
+                    docker.withRegistry('https://registry.hub.docker.com', 'dockerhub'){
+                        shortCommit = sh(returnStdout: true, script: "git log -n 1 --pretty=format:'%h'").trim()
+                        def hello_image = docker.build("tlitovsk/kubernetes-nodejs-helloworld:${shortCommit}")
+                        currentBuild.result = "SUCCESS"
+                        hello_image.push()
+                    }
+            }
+            if (env.BRANCH_NAME != 'master') {
+                stage('Integration tests'){
+                        shortCommit = sh(returnStdout: true, script: "git log -n 1 --pretty=format:'%h'").trim()
+                        testNamespace = "${namespace}-${shortCommit}-${BUILD_NUMBER}"
+                        sh "kubectl get deployments --namespace=${testNamespace}"
+                        sh "cd deployment \
+                            && sed -i s/ver1/${shortCommit}/ hello-2.yaml \
+                            && kubectl delete ns ${testNamespace} || true \
+                            && kubectl create ns ${testNamespace}\
+                            && kubectl create -f hello-3-service.yaml --namespace=${testNamespace}\
+                            && kubectl create -f hello-2.yaml --namespace=${testNamespace}"
+                        sh "sleep 3"
+                        sh "kubectl rollout status deployment/hello-deployment --namespace=${testNamespace}"
+                        sh "curl http://hello-service.${testNamespace}.svc.cluster.local:8080"
+                        sh "curl http://hello-service.${testNamespace}.svc.cluster.local:8080/world"
+                        sh "curl http://hello-service.${testNamespace}.svc.cluster.local:8080/vodafone"                        //
+                        sh "kubectl delete ns ${testNamespace}"
+
+                }
+            }else{
+                stage('Deploy')
+                {
+                    shortCommit = sh(returnStdout: true, script: "git log -n 1 --pretty=format:'%h'").trim()
+                    sh "kubectl get deployments --namespace=${namespace}"
+                    sh "cd deployment \
+                        && sed -i s/ver1/${shortCommit}/ hello-2.yaml \
+                        && kubectl apply -f hello-2.yaml --namespace=${namespace}"
+                    sh "kubectl rollout status deployment/hello-deployment --namespace=${namespace}"
+
+                }
+                stage('Verify')
+                {
+                    sh "curl https://test.devtrails.co.nz/hello"
+                }
+            }
+        }
+        catch (err) {
+            currentBuild.result = "FAILURE"
+            shortCommit = sh(returnStdout: true, script: "git log -n 1 --pretty=format:'%h'").trim()
+            testNamespace = "${namespace}-${shortCommit}-${BUILD_NUMBER}"
+            sh 'kubectl delete ns ${testNamespace} || true'
+            throw err
+        }
+
+    }
+}

README.md

@@ -1,20 +1,19 @@
-# Docker node.js example app
+# Kubernetes node.js example app
 
-To build a container:
-```
-$ make build
-```
+## To build a container:
+docker build -t tlitovsk/kubernetes-nodejs-helloworld:ver1 .
+docker build -t tlitovsk/kubernetes-nodejs-helloworld:ver2 .
+
+## Push it
+docker push tlitovsk/kubernetes-nodejs-helloworld:ver1
+docker push tlitovsk/kubernetes-nodejs-helloworld:ver2
+
+## URL access inside the container
+https://159.65.132.157/k8s/clusters/c-swqn4/api/v1/namespaces/example/services/hello-service:8080/proxy/
+https://159.65.132.157/k8s/clusters/c-swqn4/api/v1/namespaces/kubernetes-dashboard/services/https:kubernetes-dashboard:/proxy/
+https://128.199.223.176/hello
+
+## To build the test container
+docker build --rm -t tlitovsk/jenkins-jnlp:latest .
 
-Following command will start Docker image in background
-```
-$ make run
-```
 
-you can test it with:
-```
-$ make test
-```
-or simply run:
-```
-curl -v localhost:43567
-```

TestContainer/Dockerfile

@@ -0,0 +1,21 @@
+FROM jenkins/jnlp-slave:latest
+ARG DEBIAN_FRONTEND=noninteractive
+
+USER root
+
+RUN apt-get update && apt-get install --no-install-recommends -y curl dirmngr gnupg apt-transport-https ca-certificates
+RUN curl -s https://deb.nodesource.com/gpgkey/nodesource.gpg.key | apt-key add -\
+ && echo 'deb https://deb.nodesource.com/node_8.x stretch main' > /etc/apt/sources.list.d/nodesource.list\
+ && curl -fsSL https://download.docker.com/linux/debian/gpg | apt-key add - \
+ && echo 'deb https://download.docker.com/linux/debian stretch stable' > /etc/apt/sources.list.d/docker.list \
+ && curl -s https://packages.cloud.google.com/apt/doc/apt-key.gpg | apt-key add - \
+ && echo 'deb http://apt.kubernetes.io/ kubernetes-xenial main' > /etc/apt/sources.list.d/kubernetes.list  \
+ && apt-get update\
+ && apt-get install -y nodejs docker-ce kubectl && apt-get clean && rm -rf /var/lib/apt/lists/*
+
+RUN npm install -g dockerlint sonarqube-scanner
+
+USER jenkins
+
+ENTRYPOINT ["jenkins-slave"]
+#docker build --rm -t tlitovsk/jenkins-jnlp:latest .

deployment/hello-1.yaml

@@ -0,0 +1,18 @@
+apiVersion: apps/v1
+kind: Deployment
+metadata:
+  name: hello-deployment
+spec:
+  selector:
+    matchLabels:
+      app: hello-world
+  template:
+    metadata:
+      labels:
+        app: hello-world
+    spec:
+      containers:
+      - name: hello-world
+        image: tlitovsk/kubernetes-nodejs-helloworld:ver1
+        imagePullPolicy: Always
+

deployment/hello-2.yaml

@@ -0,0 +1,26 @@
+apiVersion: apps/v1
+kind: Deployment
+metadata:
+  name: hello-deployment
+spec:
+  replicas: 3
+  selector:
+    matchLabels:
+      app: hello-world
+  template:
+    metadata:
+      labels:
+        app: hello-world
+    spec:
+      containers:
+      - name: hello-world
+        image: tlitovsk/kubernetes-nodejs-helloworld:ver1
+        imagePullPolicy: Always
+        ports:
+        - containerPort: 8080
+        livenessProbe:
+          httpGet:
+            path: /
+            port: 8080
+          initialDelaySeconds: 3
+          periodSeconds: 3

deployment/hello-3-service.yaml

@@ -0,0 +1,11 @@
+kind: Service
+apiVersion: v1
+metadata:
+  name: hello-service
+spec:
+  selector:
+    app: hello-world
+  ports:
+  - protocol: TCP
+    port: 8080
+    targetPort: 8080

deployment/hello-4-ingress-ssl.yaml

@@ -0,0 +1,19 @@
+apiVersion: extensions/v1beta1
+kind: Ingress
+metadata:
+  name: hello-ingress
+  annotations:
+    nginx.ingress.kubernetes.io/rewrite-target: /
+spec:
+  rules:
+  - host: test.devtrails.co.nz
+    http:
+      paths:
+      - path: /hello
+        backend:
+          serviceName: hello-service
+          servicePort: 8080
+  tls:
+  - secretName: test-devtrails-crt-secret
+    hosts:
+    - test.devtrails.co.nz

deployment/hello-4-ingress.yaml

@@ -0,0 +1,14 @@
+apiVersion: extensions/v1beta1
+kind: Ingress
+metadata:
+  name: hello-ingress
+  annotations:
+    nginx.ingress.kubernetes.io/rewrite-target: /
+spec:
+  rules:
+  - http:
+      paths:
+      - path: /hello
+        backend:
+          serviceName: hello-service
+          servicePort: 8080