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)

Cross-cloud application migration

When running applications on the cloud, it is important to have a plan in case cloud vendor service outages occur, as well as to avoid possible cloud lock-ins, by abstracting the storage layer using a cloud-native storage solution similar to the OpenEBS management layer that allows you to manage your exposure to each cloud or data center. In this section, we will migrate a cloud-native application from one Kubernetes cluster to another cluster running on a different cloud vendor to simulate a migration scenario. You will learn how to use backups to migrate applications using Kasten and OpenEBS Director.

Getting ready

Make sure you have two Kubernetes clusters ready and kubectl configured to manage the cluster resources.

In this recipe, we will use a cluster on AWS that's been deployed and managed by D2iQ Konvoy and a cluster that's been deployed using kops. As an example, we will migrate an existing minio application.

The instructions provided...