AWS support for existing EIP (revised) #1292
Merged
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Description
This adds the option of associating the Algo instance to an existing Elastic IP in AWS instead of provisioning a new Elastic IP.
Motivation and Context
I have provisioned long-lived Elastic IPs with reverse DNS configured (https://aws.amazon.com/blogs/aws/reverse-dns-for-ec2s-elastic-ip-addresses/) and whitelists configured for those IPs at customer sites. I would like the ability to use one of my existing Elastic IPs when provisioning an Algo instance instead of provisioning a brand new EIP.
How Has This Been Tested?
This is a followup to #1281. I removed the dependency on Ansible 2.6 following the example of the local lightsail facts module and tested the changes work with a fresh virtualenv.
I have provisioned new algo instances with and without associating to pre-existing Elastic IP, and confirmed that the cloudformation stack deletes cleanly.
Types of changes
Checklist: