Migrate AWS Classic LB to Application LB

This Ansible playbook automates the migration of AWS classic load balancers to application load balancers with all the configurations and some other features.

Prerequisites

Before running the Ansible code you should install the following packages with the specified versions or later on the Ansible server.

• Ansible 2.7.0+
• aws cli 1.16.28+
• Python 2.7.15+
• boto3 1.12.24+
• botocore 1.12.24+
• boto 2.49.0+
• openshift 0.7.2+
• yq 2.1.2+
• jq 1.5-1+

NOTE: The code is tested with the exact versions mentioned above on Linux Mint 19.

How does it work?

The playbook contains different tasks that executes the following points

• Migrate the classic load balancers to application load balancers
• Attach instances to the new load balancers
• Add a subdomain for the newly created load balancers
• Allow http to https redirection on the load balancer level
• Add a basic WAF support

How to use?

• Choose the needed tasks and comment the other in the main.yml file
• Edit the vars and add your suitable values their
• In case of using the WAF support you should edit it to match your needs.