Seamless at Scale: Migrating from Terraform to OpenTofu Without Missing a Beat

This lightning talk explores the process of migrating from Terraform to OpenTofu at enterprise scale, presented by David Jackson from Fidelity Investments. Learn how Fidelity successfully transitioned tens of thousands of existing Terraform projects to OpenTofu without disrupting engineering teams' workflows. Discover the orchestration techniques used to implement a fast, seamless migration path at scale, and gain valuable insights into potential challenges to watch for during your own migration. While most Terraform projects require minimal code changes to switch to the Tofu CLI, enterprise-scale migrations demand careful planning and execution to maintain perfect harmony across the organization. Take away practical lessons from Fidelity's experience to ensure your own migration proceeds smoothly without missing a beat.