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)

Deploying the phonebook application

Our phonebook application can be deployed to the instances that we have created. When deploying an application to an instance, we either need to know the IP address of the instance and prepare the inventory, or we can figure out the IP address at runtime. Preparing the inventory is often simple, however, it requires manual intervention. We have to run tasks to boot an EC2 instance with the required parameters and copy the IP address of the instance to the inventory file. After this, we can run the playbook for deploying the application.

Manually adding IPs to the inventory is not possible for unattended setups. In certain cases, the infrastructure is dynamic to the extent that managing IPs might not even be possible. For such cases, there are two possibilities: we can use Ansible's add_host module to deploy an application when we boot up...