/jenkins-cluster

Dockerfile

from jenkins/jenkins:2.60.1

# Distributed Builds plugins
RUN /usr/local/bin/install-plugins.sh ssh-slaves

# install Notifications and Publishing plugins
RUN /usr/local/bin/install-plugins.sh email-ext
RUN /usr/local/bin/install-plugins.sh mailer
RUN /usr/local/bin/install-plugins.sh slack

# Artifacts
RUN /usr/local/bin/install-plugins.sh htmlpublisher

# UI
RUN /usr/local/bin/install-plugins.sh greenballs
RUN /usr/local/bin/install-plugins.sh simple-theme-plugin

# Scaling
RUN /usr/local/bin/install-plugins.sh kubernetes

# install Maven
USER root
RUN apt-get update && apt-get install -y maven
USER jenkins

Deployment

apiVersion: extensions/v1beta1
kind: Deployment
metadata:
  name: jenkins
spec:
  replicas: 1
  template:
    metadata:
      labels:
        app: jenkins
    spec:
      containers:
        - name: jenkins
          image: ybushnev/my-jenkins-image:1.0
          env:
            - name: JAVA_OPTS
              value: -Djenkins.install.runSetupWizard=false
          ports:
            - name: http-port
              containerPort: 8080
            - name: jnlp-port
              containerPort: 50000
          volumeMounts:
            - name: jenkins-home
              mountPath: /var/jenkins_home
      volumes:
        - name: jenkins-home
          emptyDir: {}

Service

apiVersion: v1
kind: Service
metadata:
  name: jenkins
spec:
  type: NodePort
  ports:
    - port: 8080
      targetPort: 8080
  selector:
    app: jenkins

“Manage Jenkins -> Configure System -> Cloud -> Kubernetes” and fill in the ‘Kubernetes URL’ and ‘Jenkins URL’ appropriately, by using the values which we have just collected in the previous step:

Slave image

https://hub.docker.com/r/jenkinsci/jnlp-slave/