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Learning SaltStack

By : Myers

4.3 (18)

Learning SaltStack

4.3 (18)

By: Myers

Overview of this book

If you are a system administrator who manages multiple servers, then you know how difficult it is to keep your infrastructure in line. If you've been searching for an easier way, this book is for you. No prior experience with SaltStack is required.

Preface

Preface

What this book covers

What you need for this book

Who this book is for

Conventions

Reader feedback

Customer support

Free Chapter

1. Diving In – Our First Salt Commands

1. Diving In – Our First Salt Commands

Introducing Salt

Installing Salt

Configuring Salt

A game of ping pong

Masterless Salt

Summary

2. Controlling Your Minions with Remote Execution

2. Controlling Your Minions with Remote Execution

The structure of a remote execution command

Summary

3. Execution Modules – Write Your Own Solution

3. Execution Modules – Write Your Own Solution

Exploring the source

An advanced example

Summary

4. Defining the State of Your Infrastructure

4. Defining the State of Your Infrastructure

Our first state

The pieces of a state declaration

Expanding to encompass multiple pieces of state

Dependencies using requisites

Summary

5. Expanding Our States with Jinja2 and Pillar

5. Expanding Our States with Jinja2 and Pillar

Adding a new minion

Jinja2

Defining secure minion-specific data in pillar

Summary

6. The Highstate and Environments

6. The Highstate and Environments

The highstate

Storing our states in Git with GitFS

Summary

7. Using Salt Cloud to Manage Virtual Minions

7. Using Salt Cloud to Manage Virtual Minions

Setting up Salt Cloud

Managing groups of VMs with map files

Summary

8. The Reactor and the Event System

8. The Reactor and the Event System

The Salt event system

Reacting to events

Summary

Index

Index

Chapter 5. Expanding Our States with Jinja2 and Pillar

In the last chapter, we learned about the state system and wrote our first state. In this chapter, we will:

Learn the basics of the Jinja2 templating language
Use Jinja2 to make our states platform-agnostic
Learn how to define minion-specific secure data in the pillar system
Use Jinja2 to use pillar data in our states

CONTINUE READING

83

Tech Concepts

36

Programming languages

73

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Learning SaltStack

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