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

Amazon Simple Notification Service


Sometimes, you want your playbooks to be agnostic in the way you receive the alert. This has several advantages, mainly in terms of flexibility. In fact, in this model, Ansible will deliver the messages to a notification service and the notification service will then take care of delivering them. Amazon Simple Notification Service (SNS) is not the only notification service available, but it's probably the most used. SNS has the following components:

  • Messages: Messages generated by publishers identified by a UUID

  • Publishers: Programs generating messages

  • Topics: Named groups of messages, which can be thought of in a similar way to chat channels or rooms

  • Subscribers: Clients that will receive all messages published in the topics they have subscribed to

So in our case, we will have, specifically:

  • Messages: Ansible notifications

  • Publishers: Ansible itself

  • Topics: Probably different topics to group messages based on the system and/or the kind of notification ...