Terraform Cookbook by Mikael Krief

Author:Mikael Krief
Language: eng
Format: mobi, epub
Tags: COM048000 - COMPUTERS / Systems Architecture / Distributed Systems and Computing, COM051440 - COMPUTERS / Software Development and Engineering / Tools, COM088010 - COMPUTERS / System Administration / Linux and UNIX Administration
Publisher: Packt Publishing
Published: 2020-09-17T05:40:24+00:00

In this Terrafile, for each module, we have specified its destination folder, and as you can see, we have added the version number in the folder name. Hence, the name of the folder is unique and will allow us to use several versions of the same module in the Terraform configuration. The following code shows an extract of a Terrafile with two different versions of the same module:

network-3.0.1:

source: "https://github.com/Azure/terraform-azurerm-network.git"

version: "v3.0.1"

network-2.0.0:

source: "https://github.com/Azure/terraform-azurerm-network.git"

version: "v2.0.0"

Also, it allows you to specify, if necessary, the authorized Git credentials to clone the module code. Be careful, however, not to write passwords in this file, which will be archived in a Git repository.

In this recipe, the Rakefile script was provided and is available in the original article of the Terrafile pattern (https://bensnape.com/2016/01/14/terraform-design-patterns-the-terrafile/). You are free to adapt it according to your needs.

Finally, the essentials of the Terrafile pattern is not the script, the language, or the format used but, rather, its working principle. There are alternative scripts and tools to this Rakefile with, for example, a Python script available at https://github.com/claranet/python-terrafile, or a tool written in Go available at https://github.com/coretech/terrafile.

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