Book Image

Kubernetes - A Complete DevOps Cookbook

By : Murat Karslioglu
Book Image

Kubernetes - A Complete DevOps Cookbook

By: Murat Karslioglu

Overview of this book

Kubernetes is a popular open source orchestration platform for managing containers in a cluster environment. With this Kubernetes cookbook, you’ll learn how to implement Kubernetes using a recipe-based approach. The book will prepare you to create highly available Kubernetes clusters on multiple clouds such as Amazon Web Services (AWS), Google Cloud Platform (GCP), Azure, Alibaba, and on-premises data centers. Starting with recipes for installing and configuring Kubernetes instances, you’ll discover how to work with Kubernetes clients, services, and key metadata. You’ll then learn how to build continuous integration/continuous delivery (CI/CD) pipelines for your applications, and understand various methods to manage containers. As you advance, you’ll delve into Kubernetes' integration with Docker and Jenkins, and even perform a batch process and configure data volumes. You’ll get to grips with methods for scaling, security, monitoring, logging, and troubleshooting. Additionally, this book will take you through the latest updates in Kubernetes, including volume snapshots, creating high availability clusters with kops, running workload operators, new inclusions around kubectl and more. By the end of this book, you’ll have developed the skills required to implement Kubernetes in production and manage containers proficiently.
Table of Contents (12 chapters)

Configuring and managing persistent storage using OpenEBS

OpenEBS is a popular open source, cloud-native storage (CNS) project with a large community. In this section, we will install an OpenEBS persistent storage provider. You will learn how to create volumes using different types of storage engine options for stateful workloads on Kubernetes.

Getting ready

For this recipe, we need to have helm and kubectl installed. Make sure you have a Kubernetes cluster ready and kubectl configured to manage the cluster resources.

How to do it…

This section is sub-divided further into the following subsections to facilitate the process:

  • Installing iSCSI client prerequisites
  • Installing OpenEBS
  • Using ephemeral storage to create persistent volumes
  • Creating storage pools
  • Creating OpenEBS storage classes
  • Using an OpenEBS storage class to create dynamic PVs

Installing iSCSI client prerequisites

The OpenEBS storage provider requires that the iSCSI client runs on all worker nodes:

  1. On all your worker...