automation.md

automation

Kubernetes automation by build servers.

CLI

Automation can be done using the Kubernetes CLI, the kubectl. See the official documentation.

independency

It is crucial to be independent between the jobs / builds.

configuration location

The default location for the kubectl configuration is $HOME/.kube/

When all jobs are executed with the same user, this will possibly effect other jobs.

Logging into a Kubernetes cluster can modify that configuration.

configure local kubectl configuration location

Define the kubectl configuration location to be inside the workspace.

The environment variable name is KUBECONFIG.

Environment example:

export KUBECONFIG=$(pwd)/.kube

Jenkins pipeline example:

pipeline {
    environment {
        KUBECONFIG="${pwd()}/.kube"
    }
    ...
}