Book Image

OpenStack Networking Cookbook

Book Image

OpenStack Networking Cookbook

Overview of this book

Table of Contents (19 chapters)
OpenStack Networking Cookbook
Credits
About the Authors
About the Reviewers
www.PacktPub.com
Preface
Index

Integrating networking in a Heat template


Nowadays, the installation of any nontrivial application spans more than one machine. Different machines provide specialized functions such as database servers, web servers, and many more. Heat is an OpenStack project that provides the users of OpenStack with the ability to start a group of connected resources such as VMs, Networks, Routers, and so on in order to create a complete infrastructure for deploying applications.

The tenant communicates with the orchestration system using the Heat client. A Heat template describes the stack of infrastructure resources requested by the user. A template consists of the following sections:

  • Version: This provides a version of the template format

  • Description: This describes the purpose of the template

  • Parameters: This section describes the user-defined parameters that are used in the template; it can describe the parameter type and validation logic for the parameters

  • Resources: The resources section describes...