Question 1

How do I test that all AWS instances have specific tags with Terraform Validate?

Accepted Answer

Use the `should_have_properties` method on the tags property. For example, `self.v.resources('aws_instance').property('tags').should_have_properties(['name', 'owner'])` ensures required tags are present, as shown in the tagging example.

Question 2

Terraform Validate or Checkov: which should I use for compliance?

Accepted Answer

Terraform Validate is better for teams deeply integrated with Python testing, offering programmatic control and custom rules. Checkov provides pre-built policies and supports multiple languages, but is less flexible for Python-centric workflows.

Question 3

Can Terraform Validate handle Terraform 0.12 or newer syntax?

Accepted Answer

It depends on pyhcl's support, which may have limitations. The README doesn't specify version compatibility, so you need to test with your Terraform version, as parsing could fail with newer HCL features.

Question 4

How to integrate Terraform Validate into a CI/CD pipeline?

Accepted Answer

Run validation tests as part of your Python test suite in CI. Use Docker for consistency, as shown in the README, by building the image and mounting your code directory to automate checks.

Question 5

Does Terraform Validate work with nested Terraform modules?

Accepted Answer

It parses a directory of .tf files, so it can handle nested structures if all files are in the specified path. However, it might not resolve module outputs or dependencies between modules, limiting validation scope.

Question 6

What if my Terraform variables have no defaults?

Accepted Answer

Terraform Validate's variable expansion only works with default values. Without defaults, properties containing variables will not be evaluated, potentially missing validation errors, as noted in the README.

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