Kubernetes Cookbook - Second Edition

Launching the Jenkins server via Kubernetes deployment

Based on the previous recipes, now you have:

• A custom Jenkins container image
• A service account

Finally, you can launch your custom Jenkins server on your Kubernetes cluster. Remember that we need to run a docker command in the Docker environment, which needs to mount /var/run/docker.sock from the local Kubernetes node.

In addition, we need to use a jenkins-sa service account to launch a Jenkins pod. It needs to specify spec.template.spec.serviceAccountName: jenkins-sa in the deployment configuration.

It is also recommended to have a PersistentVolume to preserve Jenkins home (/var/jenkins_home), in case a pod is restarted. We just simply use the hostPath /data/jenkins-data directory ...