Ansible for Kubernetes
Ansible for Kubernetes
Automate app deployment on any scale with Ansible and K8s
About the Book
This book takes users on an automation journey—from building your first Kubernetes cluster with Ansible's help, to deploying and maintaining real-world, massively-scalable and highly-available applications.
About the Author
Table of Contents
-
Preface
- Who is this book for?
- Typographic conventions
-
Please help improve this book!
- Current Published Book Version Information
- About the Author
-
Introduction
- In the beginning, there were servers
- The move to containers
- Ansible by Red Hat
- Kubernetes and the CNCF
- Examples Repository
-
Other resources
- Ansible resources
- Kubernetes resources
-
Chapter 1 - Hello World!
-
Hello, Go!
- Installing Go
- Creating a ‘Hello world’ app in Go
- Building Hello Go
-
Deploying Hello Go in a container
-
Running Hello Go in Docker
- Building the container
- Running the container
- Hello Go app summary
-
Running Hello Go in Docker
-
Deploying Hello Go in Kubernetes
- Installing Minikube
- Building the Hello Go container in Minikube
- Running Hello Go in Minikube
- Scaling Hello Go in Kubernetes
- Clean up Hello Go
- Summary
-
Hello, Go!
-
Chapter 2 - Automation brings DevOps bliss
-
Ansible 101
- Installing Ansible
- Hello, Ansible!
- Running your first Ansible playbook
- Ansible 101 summary
-
Managing Kubernetes with Ansible
- Managing Minikube
- Building container images in Minikube with Ansible
- Managing Kubernetes resources with Ansible
-
Scaling Hello Go with Ansible
- Scaling via the existing Deployment spec
-
Scaling with Ansible’s
k8s_scalemodule -
Scaling with
k8sandstrategic_merge
- Cleaning up Kubernetes resources with Ansible
- Summary
-
Ansible 101
-
Chapter 3 - Ansible manages containers
-
Ansible’s Docker modules
-
docker_imagemodule -
docker_containermodule -
Pushing the container image to a registry
- Running a local container registry
-
docker_loginmodule -
Pushing an image to a Docker registry with
docker_image
- Ansible Docker module summary
-
-
Building images using Ansible without a
Dockerfile- Relying on Roles from Ansible Galaxy
- Writing a Playbook to Build a Container Image
- Writing a Playbook to Test the Container Image
- Apache Solr container build summary
- Summary
-
Ansible’s Docker modules
-
Chapter 4 - Building K8s clusters with Ansible
-
Building a local Kubernetes cluster on VMs
- Prerequisites - Vagrant and VirtualBox
- A small Kubernetes cluster architecture
-
A
Vagrantfilefor local Infrastructure-as-Code -
Building a Kubernetes cluster with Ansible
- Describing hosts with an inventory
- Becoming root in a playbook
- Building a server with roles
- Role configuration
- Running the cluster build playbook
- Testing the cluster with a deployment using Ansible
-
Debugging cluster networking issues
-
Fixing issues with Flannel and iptables
- Switching nftables to iptables-legacy
- Patching Flannel to use the right network interface
-
Fixing issues with Flannel and iptables
- Local VM cluster summary
-
Building a cluster using Kubespray
- Building a cluster on VPSes using Kubespray
- Building a bare metal cluster using Raspberry Pis
- Summary
-
Building a local Kubernetes cluster on VMs
-
Chapter 5 - Build an AWS EKS Cluster with CloudFormation and Ansible
-
Managing AWS EKS clusters with CloudFormation
-
CloudFormation Templates
- CloudFormation template for VPC Networking
- CloudFormation template for an EKS Cluster
- CloudFormation template for an EKS Node Group
- Applying CloudFormation Templates with Ansible
-
CloudFormation Templates
-
Authenticating to the EKS Cluster via
kubeconfig -
Deploying WordPress to the EKS Cluster
- Build the WordPress Kubernetes manifests
- Build an Ansible Playbook to deploy the manifests to EKS
- Point a custom domain at the WordPress ELB
- Run the playbook to deploy WordPress
- Summary
-
Managing AWS EKS clusters with CloudFormation
-
Chapter 6 - Manage a GKE Cluster with Terraform and Ansible
- Managing Google Cloud GKE clusters with Terraform
- Summary
-
Chapter 7 - Development and CI Testing with Molecule, Kind, and Ansible
- Ansible playbook to deploy a Kubernetes Job
-
Add Molecule for development and testing
- Manage Kind with Molecule
- Test a playbook in Kind with Molecule
- Verify the playbook worked with Molecule
- Kubernetes CI Testing in GitHub Actions
- Summary
-
Chapter 8 - Ansible’s Kubernetes integration
-
k8smodule -
k8s_infomodule -
k8sinventory plugin -
k8s_scalemodule -
k8s_execmodule -
k8s_servicemodule -
k8s_logmodule -
geerlingguy.k8scollection - Summary
-
-
Chapter 9 - Hello Operator
- The Operator Pattern
-
Operator SDK
- Go vs. Ansible-based Operators
- Your first Ansible-based Operator
- End-to-end testing for an Ansible-based Operator with Molecule
- Example: WordPress in EKS with an Operator
- Summary
- Chapter 10 - The first real-world application
- Afterword
-
Appendix A - Using Ansible on Windows workstations
-
Method 1 - Use the Windows Subsystem for Linux / Bash on Ubuntu
- Installing Ansible inside Bash on Ubuntu
-
Method 2 - When WSL is not an option
- Prerequisites
- Set up an Ubuntu Linux Virtual Machine
- Log into the Virtual Machine
- Install Ansible
- Summary
-
Method 1 - Use the Windows Subsystem for Linux / Bash on Ubuntu
The Leanpub 60-day 100% Happiness Guarantee
Within 60 days of purchase you can get a 100% refund on any Leanpub purchase, in two clicks.
See full terms
Do Well. Do Good.
Authors have earned$11,586,736writing, publishing and selling on Leanpub, earning 80% royalties while saving up to 25 million pounds of CO2 and up to 46,000 trees.
Learn more about writing on Leanpub
Free Updates. DRM Free.
If you buy a Leanpub book, you get free updates for as long as the author updates the book! Many authors use Leanpub to publish their books in-progress, while they are writing them. All readers get free updates, regardless of when they bought the book or how much they paid (including free).
Most Leanpub books are available in PDF (for computers), EPUB (for phones and tablets) and MOBI (for Kindle). The formats that a book includes are shown at the top right corner of this page.
Finally, Leanpub books don't have any DRM copy-protection nonsense, so you can easily read them on any supported device.
Learn more about Leanpub's ebook formats and where to read them
Top Books
- #1
SignalR on .NET 6 - the Complete Guide
Fiodar SazanavetsLearn everything there is to learn about SignalR and how to integrate it with the latest .NET 6 and C# 10 features. Learn how to connect any type of client to SignalR, including plain WebSocket client. Learn how to build interactive applications that can communicate with each other in real time without making excessive calls.
- #2
The easiest way to learn design patterns
Fiodar SazanavetsLearn design patterns in the easiest way possible. You will no longer have to brute-force your way through each one of them while trying to figure out how it works. The book provides a unique methodology that will make your understanding of design patterns stick. It can also be used as a reference book where you can find design patterns in seconds.
- #3
Jetpack Compose internals
Jorge CastilloJetpack Compose is the future of Android UI. Master how it works internally and become a more efficient developer with it. You'll also find it valuable if you are not an Android dev. This book provides all the details to understand how the Compose compiler & runtime work, and how to create a client library using them.
- #4
Functional event-driven architecture: Powered by Scala 3
Gabriel VolpeExplore the event-driven architecture (EDA) in a purely functional way, mainly powered by Fs2 streams in Scala 3!
Leverage your functional programming skills by designing and writing stateless microservices that scale, powered by stateful message brokers.
- #5
Tech Giants in Healthcare
Dr. Bertalan MeskoThis comprehensive guide, Tech Giants in Healthcare, clarifies how and why big tech companies step into healthcare, and breaks it down from one market player to the other in what direction they are going, what tools they are using and what horizons they have in front of them.
- #6
OpenIntro Statistics
David Diez, Christopher Barr, Mine Cetinkaya-Rundel, and OpenIntroA complete foundation for Statistics, also serving as a foundation for Data Science.
Leanpub revenue supports OpenIntro (US-based nonprofit) so we can provide free desk copies to teachers interested in using OpenIntro Statistics in the classroom and expand the project to support free textbooks in other subjects.
More resources: openintro.org.
- #7
Ansible for DevOps
Jeff GeerlingAnsible is a simple, but powerful, server and configuration management tool. Learn to use Ansible effectively, whether you manage one server—or thousands.
- #8
C++20 - The Complete Guide
Nicolai M. JosuttisAll the new language and library features of C++20 (for those who know previous versions).
The book presents all new language and library features of C++20. Learn how this impacts day-to-day programming, to benefit in practice, to combine new features, and to avoid all new traps.
Buy early, pay less, free updates.
Other books:
- #9
CCIE Service Provider Version 4 Written and Lab Exam Comprehensive Guide
Nicholas RussoThe service provider landscape has changed rapidly over the past several years. Networking vendors are continuing to propose new standards, techniques, and procedures for overcoming new challenges while concurrently reducing costs and delivering new services. Cisco has recently updated the CCIE Service Provider track to reflect these changes; this book represents the author's personal journey in achieving that certification.
- #10
R Programming for Data Science
Roger D. PengThis book brings the fundamentals of R programming to you, using the same material developed as part of the industry-leading Johns Hopkins Data Science Specialization. The skills taught in this book will lay the foundation for you to begin your journey learning data science. Printed copies of this book are available through Lulu.
Top Bundles
- #1
All the Books of The Medical Futurist
6 Books
We put together the most popular books from The Medical Futurist to provide a clear picture about the major trends shaping the future of medicine and healthcare. Digital health technologies, artificial intelligence, the future of 20 medical specialties, big pharma, data privacy, digital health investments and how technology giants such as Amazon... - #2
Practical FP in Scala + Functional event-driven architecture
2 Books
Practical FP in Scala (A hands-on approach) & Functional event-driven architecture, aka FEDA, (Powered by Scala 3), together as a bundle! The content of PFP in Scala is a requirement to understand FEDA so why not take advantage of this bundle!? - #3
Software Architecture for Developers: Volumes 1 & 2 - Technical leadership and communication
2 Books
"Software Architecture for Developers" is a practical and pragmatic guide to modern, lightweight software architecture, specifically aimed at developers. You'll learn:The essence of software architecture.Why the software architecture role should include coding, coaching and collaboration.The things that you really need to think about before... - #4
CCIE Service Provider Ultimate Study Bundle
2 Books
Piotr Jablonski, Lukasz Bromirski, and Nick Russo have joined forces to deliver the only CCIE Service Provider training resource you'll ever need. This bundle contains a detailed and challenging collection of workbook labs, plus an extensively detailed technical reference guide. All of us have earned the CCIE Service Provider certification... - #6
Pattern-Oriented Memory Forensics and Malware Detection
2 Books
This training bundle for security engineers and researchers, malware and memory forensics analysts includes two accelerated training courses for Windows memory dump analysis using WinDbg. It is also useful for technical support and escalation engineers who analyze memory dumps from complex software environments and need to check for possible... - #7
Modern C++ Collection
3 Books
Get All about Modern C++C++ Standard Library, including C++20Concurrency with Modern C++, including C++20C++20Each book has about 200 complete code examples. Updates are included. When I update one of the books, you immediately get the updated bundle. You can expect significant updates to each new C++ standard (C++23, C++26, .. ) and also... - #8
Linux Administration Complet
4 Books
Ce lot comprend les quatre volumes du Guide Linux Administration :Linux Administration, Volume 1, Administration fondamentale : Guide pratique de préparation aux examens de certification LPIC 1, Linux Essentials, RHCSA et LFCS. Administration fondamentale. Introduction à Linux. Le Shell. Traitement du texte. Arborescence de fichiers. Sécurité... - #10
Growing Agile: The Complete Coach's Guide
7 Books
Growing Agile: Coach's Guide Series This bundle provides a collection of training and workshop plans for a variety of agile topics. The series is aimed at agile coaches, trainers and ScrumMasters who often find themselves needing to help teams understand agile concepts. Each book in the series provides the plans, slides, handouts and activity...
