Configuring Jenkins Dynamic Slaves on OpenShift with Kubernetes Integration
This guide explains how to configure Jenkins with dynamically generated slave nodes on OpenShift, integrate Kubernetes settings, and provides Dockerfile and startup script details to ensure reliable CI/CD pipelines in a cloud‑native environment.
1. Jenkins Configuration This section explains how to set up dynamically generated Jenkins slave nodes to prevent task blockage or node crashes, using OpenShift as the container platform. Reference documentation links are provided for further details.
JNLP configuration illustration:
2. Kubernetes Configuration Use the default Kubernetes settings, specify the PaaS platform address, provide the certificate token from the Jenkins secret (ca.crt), set the Jenkins project namespace, and create credentials using the secret text format. The following images illustrate these settings:
3. Jenkins Slave Dockerfile The Dockerfile used to build the Jenkins slave container is shown below:
4. Jenkins Slave Startup Script The script for starting the Jenkins slave is displayed in the following image:
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