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)

Creating an Elastic Load Balancer and attaching to EC2 instances

Often, for the purpose of load balancing, as well as to achieve high availability, we may choose to serve the traffic using a load balancer. AWS provides a virtual load balancer, called Elastic Load Balancer (ELB), which can be used to receive traffic from clients and route the traffic to a set of instances which are attached to the ELB. Apart from stability, the ELB has quite a few features which can help in improving the overall uptime. One of the most important of these features is health check. This lets ELB determine that an attached instance has gone bad and it should stop routing traffic to it. ELB can also insert cookies which can be used for making routing decisions and it can be used to offload SSL from an application.

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