Book Image

OpenStack Administration with Ansible 2 - Second Edition

Book Image

OpenStack Administration with Ansible 2 - Second Edition

Overview of this book

Most organizations are seeking methods to improve business agility because they have realized just having a cloud is not enough. Being able to improve application deployments, reduce infrastructure downtime, and eliminate daily manual tasks can only be accomplished through some sort of automation. We start with a brief overview of OpenStack and Ansible 2 and highlight some best practices. Each chapter will provide an introduction to handling various Cloud Operator administration tasks such as managing containers within your cloud; setting up/utilizing open source packages for monitoring; creating multiple users/tenants; taking instance snapshots; and customizing your cloud to run multiple active regions. Each chapter will also supply a step-by-step tutorial on how to automate these tasks with Ansible 2. Packed with real-world OpenStack administrative tasks, this book will walk you through working examples and explain how these tasks can be automated using one of the most popular open source automation tools on the market today.
Table of Contents (17 chapters)
OpenStack Administration with Ansible 2 Second Edition
Credits
About the Author
About the Reviewer
www.PacktPub.com
Customer Feedback
Preface

Setting up Nagios and import checks


Reflecting back to the first principle mentioned previously concerning monitoring, keep it simple. It felt like we could not keep it any simpler than going with one of the leading open source monitoring platforms, Nagios Core. If you are unfamiliar with Nagios, take a moment to read up on it by visiting http://www.nagios.com/products.

Yes, yes, while it may not be the flashiest dashboard visually, it is one of the most powerful and lightweight monitoring applications I have used. With Nagios, you have ultimate control on many aspects of your monitoring ecosystem. It ranges from being able to create custom plugins, all the way to explicitly defining execution windows for that host. Administration can be handled directly from the flat files, or you can use many of the third-party tools, such as NConf at http://exchange.nagios.org/directory/Addons/Configuration/NConf/details. With the launch of the new version, XI, more and more of the features only found...