What are Cycle errors?

Cycle errors are instances of circular logic in the Terraform dependency tree. Terraform analyzes the dependencies between resources in your infrastructure configuration to determine the order to perform your operations.

In this article, I am going to show you how Cycle error occurs when aws_security_group resources reference one another in their security_groups attributes. AWS cannot create the security groups because their configurations each reference the other group, which would not exist yet.

How to fix the …

article configuration dependencies dependency ec2 error errors fix infrastructure logic operations order reference resources terraform