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Rancher Deep Dive

Rancher Deep Dive

By : Matthew Mattox
4.4 (7)
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Rancher Deep Dive

Rancher Deep Dive

4.4 (7)
By: Matthew Mattox

Overview of this book

Knowing how to use Rancher enables you to manage multiple clusters and applications without being locked into a vendor’s platform. This book will guide you through Rancher’s capabilities while deepening your understanding of Kubernetes and helping you to take your applications to a new level. The book begins by introducing you to Rancher and Kubernetes, helping you to learn and implement best practices. As you progress through the chapters, you’ll understand the strengths and limitations of Rancher and Kubernetes and discover all the different ways to deploy Rancher. You’ll also find out how to design and deploy Kubernetes clusters to match your requirements. The concluding chapters will show you how to set up a continuous integration and continuous deployment (CI/CD) pipeline for deploying applications into a Rancher cluster, along with covering supporting services such as image registries and Helm charts. By the end of this Kubernetes book, you’ll be able to confidently deploy your mission-critical production workloads on Rancher-managed Kubernetes clusters.
Table of Contents (25 chapters)
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1
Part 1 – Rancher Background and Architecture and Design
4
Part 2 – Installing Rancher
8
Part 3 – Deploying a Kubernetes Cluster
12
Part 4 – Getting Your Cluster Production-Ready
20
Part 5 – Deploying Your Applications

Chapter 4: Creating an RKE and RKE2 Cluster

The standard way of deploying Rancher is by creating an Rancher Kubernetes Engine (RKE) cluster then using Helm to install Rancher on the cluster. The new way to deploy Kubernetes clusters using RKE2 is built on K3s and the new internal cluster management model. By doing so, Rancher can manage the cluster it lives on directly without requiring an external tool such as RKE. This chapter will cover when using RKE2 over RKE makes sense, and how to bootstrap the first node and join additional nodes to the cluster. At this point, we'll install Rancher on the cluster using the Helm tool, which installs the Rancher server workload on the cluster. Finally, we'll cover how to configure a load balancer to support the Rancher URL.

In this chapter, we're going to cover the following main topics:

  • What is an RKE cluster?
  • What is an RKE2 cluster?
  • What is RancherD?
  • Requirements and limitations
  • Rules for architecting...
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Rancher Deep Dive
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