Book Image

Cacti Beginner's Guide - Second Edition

Book Image

Cacti Beginner's Guide - Second Edition

Overview of this book

Cacti is a performance measurement tool that provides easy methods and functions for gathering and graphing system data. You can use Cacti to develop a robust event management system that can alert on just about anything you would like it to. But to do that, you need to gain a solid understanding of the basics of Cacti, its plugin architecture, and automation concepts. Cacti Beginner's Guide will introduce you to the wide variety of features of Cacti and will guide you on how to use them for maximum effectiveness. Advanced topics such as the plugin architecture and Cacti automation using the command-line interface will help you build a professional performance measurement system. Designed as a beginner's guide, the book starts off with the basics of installing and using Cacti, and also covers the advanced topics that will show you how to customize and extend the core Cacti functionalities. The book offers essential tutorials for creating advanced graphs and using plugins to create enterprise-class reports to show your customers and colleagues. From data templates to input methods and plugin installation to creating your own customized plugins, this book provides you with a rich selection of step-by-step instructions to reach your goals. It covers all you need to know to implement professional performance measurement techniques with Cacti and ways to fully customize Cacti to fit your needs. You will also learn how to migrate Cacti to new servers. Lastly you will also be introduced to the latest feature of building a scalable remote poller environment. By the end of the book, you will be able to implement and extend Cacti to monitor, display, and report the performance of your network exactly the way you want.
Table of Contents (24 chapters)
Title Page
Credits
About the Author
About the Reviewer
www.PacktPub.com
Customer Feedback
Preface
15
Online Resources

Creating a new plugin


Now it is time for you to create your very first plugin. You will go through the different steps, from the concept of the plugin to its installation within Cacti.

The plugin will be quite simple, but will show you most of the common features and hooks of the plugin architecture.

File structure

All plugins should at least consist of index.php, INFO, and setup.php files. These files are the minimum requirement for any plugin to work properly, but of course you should also consider adding a README file as further documentation to your plugin. You can find some sample plugins, such as the maint plugin, on the following GitHub page:

https://github.com/Cacti/plugin_maint

Concept and design

Let's assume that you want to display additional data such as a table at the end of each host graph. The data that is being displayed has the following requirements:

  • Display the hostname and IP address
  • Show serial and warranty Information
  • Display a contact address (email)
  • Free text/HTML can be added...