Book Image

Learning Ansible 2 - Second Edition

Book Image

Learning Ansible 2 - Second Edition

Overview of this book

Ansible is an open source automation platform that assists organizations with tasks such as configuration management, application deployment, orchestration, and task automation. With Ansible, even complex tasks can be handled easier than before. In this book, you will learn about the fundamentals and practical aspects of Ansible 2 by diving deeply into topics such as installation (Linux, BSD, and Windows Support), playbooks, modules, various testing strategies, provisioning, deployment, and orchestration. In this book, you will get accustomed with the new features of Ansible 2 such as cleaner architecture, task blocks, playbook parsing, new execution strategy plugins, and modules. You will also learn how to integrate Ansible with cloud platforms such as AWS. The book ends with the enterprise versions of Ansible, Ansible Tower and Ansible Galaxy, where you will learn to interact Ansible with different OSes to speed up your work to previously unseen levels By the end of the book, you’ll able to leverage the Ansible parameters to create expeditious tasks for your organization by implementing the Ansible 2 techniques and paradigms.
Table of Contents (16 chapters)
Learning Ansible 2 Second Edition
Credits
About the Author
About the Reviewer
www.PacktPub.com
Preface

DigitalOcean


Compared to Amazon Web Services, DigitalOcean seems to be very incomplete. DigitalOcean, until a few months ago only provided droplets, SSH key management, and DNS management. At the time of writing this, DigitalOcean has very recently launched an additional block storage service. The advantages of DigitalOcean compared to many competitors are:

  • Lower prices than AWS

  • Very easy APIs

  • Very well documented APIs

  • The droplets are very similar to standard virtual machines (they don't do weird customization)

  • The droplets are very quick to go up and down

  • Since DigitalOcean has a very simple networking stack, it's way more efficient than the AWS one

Droplets

Droplets are the main service offered by DigitalOcean and are compute instances which are very similar to Amazon EC2 classic. DigitalOcean relies on the Kernel Virtual Machine (KVM) to virtualize the machines, assuring very high performance and security. Since they do not change KVM in any sensible way, and since KVM is open source and available...