example-app/Jenkinsfile

@Library('my-shared-library@main') _

pipeline {
    agent {
        kubernetes {
            yaml """
apiVersion: v1
kind: Pod
metadata:
  name: default
  namespace: default
  labels:
    jenkins-server-jenkins-agent: "true"
spec:
  containers:
    - name: jnlp
      image: jenkins/inbound-agent:3309.v27b_9314fd1a_4-2
      workingDir: /home/jenkins/agent
      env:
        - name: JENKINS_URL
          value: "http://jenkins-server.default.svc.cluster.local:8080/"
      resources:
        requests:
          cpu: "512m"
          memory: "512Mi"
        limits:
          cpu: "512m"
          memory: "512Mi"

    - name: maven
      image: maven:latest
      workingDir: /home/jenkins/agent
      command: ["/bin/sh", "-c"]
      args: ["sleep 9999999"]
      env:
        - name: NEXUS_URL
          value: "http://nexus-repo-nexus-repository-manager.default.svc.cluster.local:8081/repository/my-helm-repo/"
        - name: NEXUS_PASS
          value: "testpass"

    - name: helm
      image: alpine/helm:latest
      workingDir: /home/jenkins/agent
      command: ["/bin/sh", "-c"]
      args: ["sleep 9999999"]
      env:
        - name: KUBERNETES_TOKEN
          value: "eyJhbGciOiJSUzI1NiIsImtpZCI6IlQ0ZXgtVjRpWjdJTWhncTZfbE42cHdodU1TMmlRdzdGSjQzNXNmcktyM1kifQ.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.kzaRhe5w2Grjg9XSyXCpQiYSC3PZ3ahsRjBJEGB0Of5TLnaQ534dON8weWLj00Fmk2uCxISHDiMA9oZJ6gClti9FTPPSBAaIRuQpUf-VoKgTVqQaR4yuMyhd_zNKDclrEyLp7NH8DrwjEHAZUP89gc-sJCDZKvP9klegUoWsKXjCnyF6iuiYjAvaWjFfYt9tiQccqQ1OHgOJQySaJeAA64oYq-H2Viq7sRP_tK4P5PExnhgWCg4Ch5khY4W-YwohdYT_SMkk7teADBsxoEBbMZTQ7EKR_c9bqK8bJ1jqJ5VazqA4hQtR2VWcU7HVIO7MCEAR2A_ChduC3KbDClshBQ"
        - name: KUBERNETES_API
          value: "https://kubernetes.default.svc.cluster.local:443"
        - name: NEXUS_URL
          value: "http://nexus-repo-nexus-repository-manager.default.svc.cluster.local:8081/repository/my-helm-repo/"

    - name: docker
      image: docker:dind
      workingDir: /home/jenkins/agent
      command: ["/bin/sh", "-c"]
      args: ["sleep 9999999"]
      securityContext:
        privileged: true
      env:
        - name: NEXUS_DOCKER_URL
          value: "nexus-repo-nexus-repository-manager.default.svc.cluster.local:5000"
        - name: NEXUS_DOCKER_PASS
          value: "testpass"

  restartPolicy: Never
  serviceAccountName: jenkins-server
  volumes:
    - emptyDir: {}
      name: workspace-volume
"""
        }
    }
    stages{
        stage('Retrieve Environment Variables') {
            steps {
                script {
                    retrieveEnvVars('maven', ['NEXUS_URL', 'NEXUS_PASS'])
                    retrieveEnvVars('helm', ['KUBERNETES_API', 'KUBERNETES_TOKEN', 'NEXUS_URL'])
                    retrieveEnvVars('docker', ['NEXUS_DOCKER_URL', 'NEXUS_DOCKER_PASS'])
                }
            }
        }
        /*
        stage('Make jar') {
            steps {
                script {
                    buildJar(true)
                }
            }
        }
        stage('Package helm chart') {
            steps {
                script {
                    makeHelmChart("example-app-helm-chart/example-app")
                }
            }
        }
        stage('Upload helm chart') {
            steps {
                script {
                    uploadHelmChart("example-app-1.0.0-SNAPSHOT.tgz", env.NEXUS_URL, "admin", env.NEXUS_PASS)
                }
            }
        }
        stage('Docker build & push') {
            steps {
                script {
                    dockerBuildAndPush(env.NEXUS_DOCKER_URL, "example-app", "./Dockerfile", "target", "admin", env.NEXUS_DOCKER_PASS)
                }
            }
        }
        stage('Add Helm Repo') {
            steps {
                script {
                    addHelmRepo("my-helm-repo", env.NEXUS_URL)
                }
            }
        }
        stage('Deploy Helm Chart') {
            steps {
                script {
                    deployHelm(
                        "example-app",
                        "my-helm-repo",
                        "example-app",
                        "1.0.0-SNAPSHOT",
                        env.KUBERNETES_API,
                        env.KUBERNETES_TOKEN,
                        ["app.image": "localhost:31050/my-docker-repo/example-app:latest", "app.ports.http": 8090, "app.secret": "nexus-secret"]
                    )
                }
            }
        }
        */
        stage('Build and Deploy') {
            steps {
                script {
                    buildAndDeploy("example-app", "example-app-helm-chart", "my-helm-repo", "1.0.0-SNAPSHOT", "dockerBuildAndPush")
                }
            }
        }



    }
    post {
        success {
            echo 'Build Successful'
        }
        failure {
            echo 'Build Failed'
        }
    }
}