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Kubernetes The Hard Way (OpenStack edition)

This tutorial walks you through setting up Kubernetes the hard way. This guide is not for people looking for a fully automated command to bring up a Kubernetes cluster. If that's you then check out the Getting Started Guides.

Kubernetes The Hard Way is optimized for learning, which means taking the long route to ensure you understand each task required to bootstrap a Kubernetes cluster.

The results of this tutorial should not be viewed as production ready, and may receive limited support from the community, but don't let that stop you from learning!

Copyright

Creative Commons License
This work is licensed under a Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International License.

Differences with the original kubernetes-the-hard-way

The main difference is that instead Google Cloud, OpenStack is used as the IaaS provider but there are also some other differences:

  • CentOS 7 instead Ubuntu as the operating system of the instances.
  • Dedicated instance for load balancing (with HAProxy).
  • Dedicated instance for internal DNS (with bind).
  • kube-router instead of kube-proxy + manual routes in the IaaS

Target Audience

The target audience for this tutorial is someone planning to support a production Kubernetes cluster and wants to understand how everything fits together.

Cluster Details

Kubernetes The Hard Way guides you through bootstrapping a highly available Kubernetes cluster with end-to-end encryption between components and RBAC authentication.

Labs

This tutorial assumes you have access to an OpenStack environment. While OSP is used for basic infrastructure requirements the lessons learned in this tutorial can be applied to other platforms.