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)

Adding a keypair

A keypair is used to log into a virtual machine through SSH created by OpenStack. Once we have a key, or several of them, then we can choose a public key while creating a virtual machine, and this key will be added to the default user of the operating system.

How to do it...

  1. For this, we need to have a key added to OpenStack before we boot the virtual machine. The name of the key has to be unique. This is what we will specify while booting an instance. So let's add our public key as follows:
- name: adding public key
os_keypair:
name: aditya
public_key: {{ aditya_pub_key }}
  1. We have used the variable for improving the readability of the code. It also helps if we need to change the keys quickly...