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k3s-jenkins

Runs Jenkins on top of Kubernetes.

Getting Started

Use Vagrant to build and start the VM:

vagrant up

Log in to the VM:

vagrant ssh k3s

Use sudo kubectl get pods to follow the startup process of Jenkins. If the startup process is finished, the pod with the prefix jenkins should be in status running.

NAME                       READY   STATUS    RESTARTS   AGE
jenkins-59657c8957-bhkd2   1/1     Running   0          71m
svclb-jenkins-zw8xq        1/1     Running   0          71m

Now you can logging to Jenkins: http://192.168.33.10:8080

In order to verfiy that Jenkins is configured correctly, you can add a Job with the following pipeline DSL:

def label = "jenkins-slave-${UUID.randomUUID().toString()}"
stage('Hello') {
    podTemplate(label: label, inheritFrom: 'jnlp-agent-maven') {
        node(label) {
            echo 'Hello from POD...'
        }
    }
}

Nexus is started automatically. However, initialization of Nexus might take some time. The Nexus UI can be accessed using the following URL: http://192.168.33.10:8081/

Get Nexus Admin password:

kubectl exec -ti $(kubectl get pods -o=jsonpath="{$.items[?(@.metadata.labels.app=='nexus')].metadata.name}") -- cat /nexus-data/admin.password

Sonarqube URL: http://192.168.33.10:9000

Known problems

  • Changes to Jenkins configuration might be overwritten at restart.

  • Vagrant cannot login to the VM on Windows. Setting the following environment variable might help:

    set VAGRANT_PREFER_SYSTEM_BIN=0

  • Vagrant box may run out of disk space. Box can be resized using the vagrant-disksize plugin.