Ansible 2 Cloud Automation Cookbook

Creating auto scaling groups

So far, we have seen various services provided by AWS EC2. We have also seen the dynamic nature of the cloud that lets us spin any number of instances, volumes, load balancers, and so on.

When we deploy an application in production, we are likely to see non-uniform traffic patterns.

We might see a pattern where peak time starts at mid-afternoon and ends at midnight. For such cases, we might need to add more resources at certain times to keep our application latency uniform. Using auto scaling groups, we can achieve this goal. AWS EC2 provides three major components for auto scaling EC2 instances:

• Launch Configurations act a template for auto scaling groups to launch EC2 instances. It contains information like ...