Book Image

Ansible 2 Cloud Automation Cookbook

By : Aditya Patawari, Vikas Aggarwal
Book Image

Ansible 2 Cloud Automation Cookbook

By: Aditya Patawari, Vikas Aggarwal

Overview of this book

Ansible has a large collection of inbuilt modules to manage various cloud resources. The book begins with the concepts needed to safeguard your credentials and explain how you interact with cloud providers to manage resources. Each chapter begins with an introduction and prerequisites to use the right modules to manage a given cloud provider. Learn about Amazon Web Services, Google Cloud, Microsoft Azure, and other providers. Each chapter shows you how to create basic computing resources, which you can then use to deploy an application. Finally, you will be able to deploy a sample application to demonstrate various usage patterns and utilities of resources.
Table of Contents (11 chapters)

Dynamic inventory

Managing the inventory file manually can be a problem. In an environment where instances are booted up and destroyed very frequently, a text-based inventory file can easily go out of sync from the actual infrastructure. In such cases, we can use dynamic inventory, which will help us generate the list of compute instances and other resources in real time. Ansible's GitHub repository has a dynamic inventory script for OpenStack.

How to do it...

Let's download the dynamic inventory script and set the executable bit as follows:

$ curl https://raw.githubusercontent.com/ansible/ansible/devel/contrib/inventory/openstack.py > openstack.py
$ chmod +x openstack.py

After we set the executable bit, we need...