Learning CFEngine 3 by Zamboni, Diego -- Read -- Imperial Library of Trantor

Index

Learning CFEngine 3 Foreword Preface

Who Is This Book For? Overview of the Book Online Resources Conventions Used in This Book Using Code Examples Safari® Books Online How to Contact Us Content Updates

September 2013 (third release) November 2012 (second release)

Acknowledgments

1. Introduction

How to Achieve Automation

Home-Grown Scripts Specialized Tools for Automation

Why CFEngine? A Brief History of CFEngine Versions of CFEngine

2. Getting Started with CFEngine

Installing CFEngine

Which Version of CFEngine? Installing the Community Edition from Source

Compiling on Linux Compiling on Mac OS X Compiling on Windows with cygwin

Installing the Community Edition from Binary Packages Installing the Commercial Edition

Finishing the Installation and Bootstrapping Auxiliary Files Your First CFEngine Policy

Integrating Your New Policy Into Periodic CFEngine Execution

3. CFEngine Basics

Basic Principles

Desired-State Configuration Basic CFEngine Operations Promise Theory Convergent Configuration

CFEngine Components A First Example CFEngine Policy Structure

Data Types and Variables in CFEngine

Variable declarations Strings Numbers Lists Arrays

Classes and Decision Making Bundles, Bodies, and Namespaces

Bundles Bodies Namespaces

Normal Ordering Looping in CFEngine Thinking in CFEngine

Clients and Servers

CFEngine Server Configuration Updating Client Files from the Server CFEngine Remote Execution Using cf-runagent

CFEngine Information Resources

Manuals and Official Guides CFEngine Standard Library CFEngine Solutions Guide CFEngine Design Center Community Forum and IRC channel CFEngine Bug Tracker Other Community Resources Recommended Reading Order

4. Using CFEngine

Initial System Configuration

Running These Policies Editing /etc/sysctl.conf Editing /etc/sshd_config Editing /etc/inittab Configuration Files with Variable Content

Class-based configuration System-state-based configuration

User Management Software Installation

Package-Based Software Management Manual Software Management

Using CFEngine for Security

Policy Enforcement

Template-based login banners Password expiration periods

Security Scanning

Additional CFEngine Features and Information

5. The CFEngine Design Center

Getting Started with the Design Center

Installing cf-sketch Exploring cf-sketch Exploring Existing Sketches Peeking Under the Hood

Contributing to the Design Center Learning More About the Design Center

6. CFEngine Tips, Tricks, and Patterns

Hierarchical Copying Passing Name-Value Pairs to Bundles Setting Default Values for Bundle Parameters Using Classes as Configuration Mechanisms Generic Tasks Using Lists and Array Indices Defining Classes for Groups of Hosts Controlling Promise Execution Order Dynamic Loading and Execution

Per-File Inputs Dynamic bundle execution control

7. Advanced Topics

Setting Up Multiple CFEngine Environments

Using a Version-Control System to Separate Environments Flow of Development and Deployment

CFEngine Testing

Behavioral Testing for CFEngine Policies Unit Testing for CFEngine Policies

Using Vagrant with CFEngine Service Management Using CFEngine

Basic Concepts of Service Management with CFEngine Defining Your Own Service Management Mechanisms

Where to from Here?

A. Editing CFEngine 3 Configurations in Emacs

Setting Up Using the cfengine Mode Customizing Indentation in cfengine-mode

B. Editing CFEngine 3 Configurations in Vim

Setting Up Getting Help Using the Plugin Hacking the vim_cf3 Plugin

Abbreviations Maps

Installing vim_cf3 Using CFEngine

C. CFEngine 3.5.2 Agent Promise Attributes

Attributes of Promises Common to All CFEngine Components

Attributes of “classes” Promises Attributes of “defaults” Promises Attributes of “meta” Promises Attributes of “reports” Promises Attributes of “vars” Promises Attributes that Can Be Used in Any Promise

Attributes of Promises Specific to the Agent

Attributes of “commands” Promises Attributes of “databases” Promises Attributes of “guest_environments” Promises Attributes of “files” Promises Attributes of Promises in edit_line Bundles

Attributes of Any Promises in edit_line Bundles Attributes of “delete_lines” promises in edit_line bundles Attributes of “insert_lines” Promises in edit_line Bundles Attributes of “field_edits” Promises in edit_line Bundles Attributes of “replace_patterns” Promises in edit_line Bundles

Attributes of Promises in edit_xml Bundles

Attributes of “methods” Promises Attributes of “packages” Promises Attributes of “processes” Promises Attributes of “services” Promises Attributes of “storage” Promises

Control

Common Control Agent Control File Control

About the Author Colophon Copyright

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