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Getting Started with Kubernetes, Second Edition

Getting Started with Kubernetes, Second Edition

By : Jonathan Baier
4.7 (3)
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Getting Started with Kubernetes, Second Edition

Getting Started with Kubernetes, Second Edition

4.7 (3)
By: Jonathan Baier

Overview of this book

Kubernetes has continued to grow and achieve broad adoption across various industries, helping you to orchestrate and automate container deployments on a massive scale. This book will give you a complete understanding of Kubernetes and how to get a cluster up and running. You will develop an understanding of the installation and configuration process. The book will then focus on the core Kubernetes constructs such as pods, services, replica sets, replication controllers, and labels. You will also understand how cluster level networking is done in Kubernetes. The book will also show you how to manage deployments and perform updates with minimal downtime. Additionally, you will learn about operational aspects of Kubernetes such as monitoring and logging. Advanced concepts such as container security and cluster federation will also be covered. Finally, you will learn about the wider Kubernetes ecosystem with OCP, CoreOS, and Tectonic and explore the third-party extensions and tools that can be used with Kubernetes. By the end of the book, you will have a complete understanding of the Kubernetes platform and will start deploying applications on it.
Table of Contents (13 chapters)
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Kubernetes plugin for Jenkins


One way we can use Kubernetes for our CI/CD pipeline is to run our Jenkins build slaves in a containerized environment. Luckily, there is already a plugin, written by Carlos Sanchez, which allows you to run Jenkins slaves in Kubernetes' pods.

Prerequisites

You'll need a Jenkins server handy for this next example. If you don't have one you can use, there is a Docker image available at https://hub.docker.com/_/jenkins/.

Running it from the Docker CLI is as simple as this:

docker run --name myjenkins -p 8080:8080 -v /var/jenkins_home jenkins

Installing plugins

Log in to your Jenkins server, and from your home dashboard, click on Manage Jenkins. Then, select Manage Plugins from the list.

Note

A note for those installing a new Jenkins server: When you first log in to the Jenkins server, it asks you to install plugins. Choose the default ones or no plugins will be installed:

Jenkins main dashboard

The credentials plugin is required, but should be installed by default. We can...

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