This posts describes how you can run into an unplanned downtime while making a seemingly harmless change of renaming an AWS security group through Terraform. Scenario: 1. Create an EC2 instance (or any other resource which uses security groups). 2. Associate one or more security groups to the instance.
mv aws-security-group shoot-foot
mv aws-security-group shoot-foot
mv aws-security-group shoot-foot
This posts describes how you can run into an unplanned downtime while making a seemingly harmless change of renaming an AWS security group through Terraform. Scenario: 1. Create an EC2 instance (or any other resource which uses security groups). 2. Associate one or more security groups to the instance.