Prerequisites

Install the semdiff API client: 

• make sure python3 is installed on your system
• install the semdiff API client: pip install semdiff (alternatively, you can access the source code directly at: https://github.com/semdiff-io/semdiff-cli ).

Analyzing a PR

• run terraform plan -out tf.plan in your terraform directory
• convert the terraform plan to JSON format: terraform show -json tf.plan > tf.plan.json
• submit the JSON file for analysis: semdiff -a <your AWS account ID> -r <region> tf.plan.json, e.g. semdiff -a 123456789012 -r eu-west-2 tf.plan.json

Next steps

Do you use atlantis? Check out how to integrate semdiff with it: https://semdiff.io/blog/atlantis-integration/