Taste Testing Tofu
summary
Practical, tool-focused session that shows how testing Terraform/OpenTofu prevents outages, saves review time, and preserves backward compatibility. Key prescriptions: run terraform fmt and Terraform validate in CI, add TFLint and Checkov/Trivy for linting and security, use pre-commit hooks and a cookiecutter module plus GitHub Actions to scaffold tests. Use Terratest (Go) for version-flexible end-to-end tests, native HCL tests with mocks for fast unit-like checks, and nightly teardown or AWS Nuke to avoid leaked resources (RDS can take ~45 minutes). OpenTofu is recommended and used in production.
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chapters (11)
- 0:00Introduction to talk
- 1:13What is Terraform and OpenTofu
- 2:37Why test infrastructure code
- 6:09Low-hanging fruit testing tools
- 9:37Automating tests in CI
- 12:03Testing infrastructure resources
- 13:29Challenges of IaC testing
- 15:13TerraTest framework overview
- 16:39Native testing framework
- 18:49Comparing testing frameworks
- 20:16Q&A session begins
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