dev

.dockerignore

@@ -0,0 +1,4 @@
+k8smanifest/*
+.gitignore
+Jenkinsfile
+README.md

Dockerfile

@@ -0,0 +1,16 @@
+#build war file
+FROM maven:3.8-openjdk-8-slim as buildstage
+RUN mkdir /app
+WORKDIR /app
+COPY src /app/src
+COPY pom.xml /app
+RUN mvn -f /app/pom.xml clean package
+
+
+
+#Deploying into tomcat
+FROM tomcat:9.0
+RUN mv webapps webapps2
+RUN cp -r webapps.dist/ webapps
+
+COPY --from=buildstage /app/target/WebAppCal-1.3.2.war /usr/local/tomcat/webapps/webappcal.war

Jenkinsfile

@@ -1,23 +1,87 @@
 pipeline {
     agent any
+    environment{
+        VERSION = "${env.BUILD_ID}"
+    }
 
     stages {
-        stage('CODE-VALIDATION') {
+        stage('sonarQualityCheck') {
+	    steps {
+            script {
+                withSonarQubeEnv('sonar-server') {
+                    echo 'validatining code..'
+                    sh 'mvn clean sonar:sonar'
+
+                }
+
+                timeout(time: 1, unit: 'HOURS'){
+                  def qg = waitForQualityGate()
+                  if (qg.status != 'OK'){
+                      error "Pipeline aborted due to quality gate failure: ${qg.status}"
+                  }
+              }
+        }
+        }
+        }
+
+        stage('Build war file') {
+            steps {
+                sh 'mvn clean package'
+            }
+        }
+
+        stage('Nexus Release') {
+            steps {
+                nexusArtifactUploader artifacts: [[artifactId: 'WebAppCal', classifier: '', file: 'target/WebAppCal-1.3.2.war', type: 'war']], credentialsId: 'nexus', groupId: 'com.web.cal', nexusUrl: '172.31.44.35:8081/', nexusVersion: 'nexus3', protocol: 'http', repository: 'maven-releases', version: '1.3.2'
+
+            }
+        }
+
+        stage('docker build and docker push') {
             steps {
-                echo 'validate code..'
-		sh 'mvn validate compile'
+                script{
+                    withCredentials([string(credentialsId: 'registry_pw', variable: 'registry_password')]) {
+                       sh '''
+                       docker build -t 172.31.44.35:8082/webappcal:${VERSION} .
+                       docker tag 172.31.44.35:8082/webappcal:${VERSION} 172.31.44.35:8082/webappcal:latest
+                       docker login -u admin -p $registry_password 172.31.44.35:8082
+                       docker push 172.31.44.35:8082/webappcal:${VERSION}
+                       docker rmi 172.31.44.35:8082/webappcal:${VERSION}
+                       '''
+                    }
+
+                }
             }
         }
-        stage('Unit Test') {
+	    stage('Manual approval') {
             steps {
-                echo 'Testing..'
-		sh 'mvn test'
+                timeout(10) {
+                        mail bcc: '', body: "Please click on the below link to review and approve deployment http://13.233.214.250:8080/job/pipeline_test/${env.BUILD_NUMBER}/console ", cc: '', from: '', replyTo: '', subject: 'Need approval to deploy', to: '[email protected]'
+                        input id: 'Deploygate', message: "Deploy ${env.JOB_NAME}?", ok: 'deploy' 
+                        }
             }
         }
-        stage('Deploy') {
+
+        stage('Deploy with approval') {
             steps {
-                echo 'Deploying....'
+                script{
+                    withCredentials([kubeconfigFile(credentialsId: '7f2f53d9-632b-46e9-a7fc-ab7349cdf007', variable: 'KUBECONFIG')]) {    
+                        dir('k8smanifest') {
+                            kubectl apply -f registrysecret.yml
+                            kubectl apply -f deployment.yml
+                            kubectl apply -f service.yml
+                        }                    
+
+                    }
+                }
+
             }
         }
+
     }
+    post {
+		always {
+			mail bcc: '', body: "<br>Project: ${env.JOB_NAME} <br>Build Number: ${env.BUILD_NUMBER} <br> URL de build: ${env.BUILD_URL}", cc: '', charset: 'UTF-8', from: '', mimeType: 'text/html', replyTo: '', subject: "${currentBuild.result} CI: Project name -> ${env.JOB_NAME}", to: "[email protected]";  
+		}
+	}
 }

README.md

@@ -0,0 +1,7 @@
+# Java Project
+Build tool is Maven
+
+when we build the code using command $mvn package it will generate war file. that war can be placed in tomcat server to see application web page
+
+code is integrated with sonarqube plugin which help us in static code analysis
+

k8smanifest/deployment.yml

@@ -0,0 +1,21 @@
+apiVersion: apps/v1
+kind: Deployment
+metadata:
+  labels:
+    app: webappcal
+  name: webappcal
+spec:
+  replicas: 2
+  selector:
+    matchLabels:
+      app: webappcal
+  template:
+    metadata:
+      labels:
+        app: webappcal
+    spec:
+      imagePullSecrets:
+        - name: registry-secret
+      containers:
+      - image: 172.31.44.35:8082/webappcal
+        name: webappcal

k8smanifest/registrysecret.yml

@@ -0,0 +1,7 @@
+apiVersion: v1
+data:
+  .dockerconfigjson: eyJhdXRocyI6eyJodHRwOi8vMTcyLjMxLjQ0LjM1OjgwODIiOnsidXNlcm5hbWUiOiJhZG1pbiIsInBhc3N3b3JkIjoiYWRtaW4xMjMiLCJlbWFpbCI6ImFkbWluQHRlc3QuY29tIiwiYXV0aCI6IllXUnRhVzQ2WVdSdGFXNHhNak09In19fQ==
+kind: Secret
+metadata:
+  name: registry-secret
+type: kubernetes.io/dockerconfigjson

k8smanifest/service.yml

@@ -0,0 +1,14 @@
+apiVersion: v1
+kind: Service
+metadata:
+  labels:
+    app: webappcal
+  name: webappcal
+spec:
+  ports:
+  - port: 8080
+    protocol: TCP
+    targetPort: 8080
+  selector:
+    app: webappcal
+  type: LoadBalancer

pom.xml

@@ -24,11 +24,13 @@
     <artifactId>servlet-api</artifactId>
     <version>2.5</version>
 </dependency>
+
+
 </dependencies>
 <distributionManagement>
   <repository>
     <id>releases</id>
-    <url>http://52.53.153.183:8081/nexus/content/repositories/releases</url>
+    <url></url>
   </repository>
 </distributionManagement>
 </project>

src/main/java/mypackage/Calculator.java

@@ -1,29 +1,34 @@
 package mypackage;
 
+import static java.lang.System.*;
 import java.io.*;
 import javax.servlet.*;
 import javax.servlet.http.*;
 
 public class Calculator extends HttpServlet
 {
+
 	public long addFucn(long first, long second){
 
 		return first+second;
 	}
 
 	public long subFucn(long first, long second){
 
-		return second-first;
+		return second/first;
 	}
 
 	public long mulFucn(long first, long second){
 
 		return first*second;
 	}
 
-
+    @Override
+
     public void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException
     {
+
+
         try
         {
         response.setContentType("text/html");
@@ -50,7 +55,7 @@ public void doGet(HttpServletRequest request, HttpServletResponse response) thro
         }
         catch(Exception e)
         {
-
-        }
+          out.println("something went wrong");
+        }   
     }
 }