Book Image

Introduction to DevOps with Kubernetes

By : Onur Yılmaz, Süleyman Akba≈ü
Book Image

Introduction to DevOps with Kubernetes

By: Onur Yılmaz, Süleyman Akba≈ü

Overview of this book

Kubernetes and DevOps are the two pillars that can keep your business at the top by ensuring high performance of your IT infrastructure. Introduction to DevOps with Kubernetes will help you develop the skills you need to improve your DevOps with the power of Kubernetes. The book begins with an overview of Kubernetes primitives and DevOps concepts. You'll understand how Kubernetes can assist you with overcoming a wide range of real-world operation challenges. You will get to grips with creating and upgrading a cluster, and then learn how to deploy, update, and scale an application on Kubernetes. As you advance through the chapters, you’ll be able to monitor an application by setting up a pod failure alert on Prometheus. The book will also guide you in configuring Alertmanager to send alerts to the Slack channel and trace down a problem on the application using kubectl commands. By the end of this book, you’ll be able to manage the lifecycle of simple to complex applications on Kubernetes with confidence.
Table of Contents (11 chapters)

Accessing Kubernetes Clusters

Accessing the Kubernetes clusters is a crucial step for installing and operating the cloud-native applications. In this section, we will look at the two primary ways of reaching Kubernetes clusters. The first method will cover the Kubernetes Dashboard, which is a web-based Kubernetes user interface. The second method will use the Kubernetes CLI, namely kubectl, to access the Kubernetes API. Kubernetes provide a rich API that enables us to install and operate complex cloud-native applications. It is designed as a RESTful API and can be consumed programmatically using client libraries as well as tools such as kubectl, Terraform, or Ansible.

Kubernetes Dashboard is the official user interface, which also runs as a containerized web application in the cluster. It is possible to deploy applications, troubleshoot running applications, and check the status of Kubernetes resources. The Dashboard enables basic cluster management and operational tasks, such as...