Book Image

Mastering SaltStack - Second Edition

Book Image

Mastering SaltStack - Second Edition

Overview of this book

SaltStack is a powerful configuration management and automation suite designed to manage servers and tens of thousands of nodes. This book showcases Salt as a very powerful automation framework. We will review the fundamental concepts to get you in the right frame of mind, and then explore Salt in much greater depth. You will explore Salt SSH as a powerful tool and take Salt Cloud to the next level. Next, you’ll master using Salt services with ease in your infrastructure. You will discover methods and strategies to scale your infrastructure properly. You will also learn how to use Salt as a powerful monitoring tool. By the end of this book, you will have learned troubleshooting tips and best practices to make the entire process of using Salt pain-free and easy.
Table of Contents (20 chapters)
Mastering SaltStack Second Edition
Credits
Foreword
About the Author
About the Reviewer
www.PacktPub.com
Preface

Building custom deploy scripts


One of the most critical aspects of Salt Cloud is its ability to not only create compute instances but also deploy Salt (or anything else) once those instances become available. The vast majority of users will use the Salt Bootstrap script to install Salt, but there are times when augmenting or replacing this script with your own files is appropriate.

Understanding the Salt Bootstrap script

The Salt Bootstrap script is the default deployment method to install Salt on non-Windows compute instances with Salt Cloud. By default, it will only install the Salt minion service. It also has the capability to install Salt master and Salt syndic if required.

The Salt Bootstrap script has some special considerations, which dictate the way in which it works. First, it was designed to be run on as many POSIX platforms as possible, including various flavors of both Unix and Linux. In order to accommodate the disparate environments, it was written to be compatible with the Bourne...