Open Source Exit Strategy Planning

Open source exit strategy planning is the discipline of deciding how you would leave a critical dependency before anything forces you to. The relicensing wave made the case plainly. As of August 2023 HashiCorp moved Terraform, Vault, Consul, Nomad, and Packer to the Business Source License. As of March 2024 Redis moved to a source available model. Each change landed on organizations that had no plan, and the scramble that followed was expensive precisely because it was unplanned. An exit strategy turns that scramble into a decision you make calmly, on your own timeline, with the numbers already in hand.

We write from the buyer side as an independent advisory paid only by the buyer. This is not legal advice. For interpretation of a license and the obligations an exit would trigger, we point you to your own counsel.

What open source exit strategy planning means

Open source exit strategy planning is the act of preparing a sequenced, costed path off a dependency that you may one day need to leave. It is not a decision to leave now. It is a decision about what you would do if the terms changed, written down while you have the time to think clearly. A good plan names the destination you would move to, the steps the move would take, the cost in engineering time and money, and the specific event that would tell you to start. With those four things settled in advance, a future relicensing event becomes a trigger rather than a crisis.

The value of the plan is leverage and calm. A buyer who has a credible exit already costed can negotiate a commercial license from a position of strength, because walking away is a real option rather than a bluff. A buyer with no plan negotiates from weakness and pays for it. The plan also protects the timeline. Migrations done under deadline pressure cut corners that later become incidents. A prepared exit can be executed at a measured pace because the preparation was done when there was no clock running.

Which dependencies deserve an exit plan

Not every component needs a plan, and trying to plan an exit for all of them wastes effort on dependencies that will never matter. The candidates that warrant a plan share three traits. They are deeply embedded, so leaving would be costly and slow. They are controlled by a single commercial entity that can change the terms unilaterally. And they carry a license, or a governance pattern, that makes a future change plausible rather than fanciful. A database engine, an infrastructure provisioning tool, a message broker, or a search cluster governed by one vendor is exactly the profile that warrants a plan. A small permissively licensed utility maintained by a broad community is not.

Identifying the candidates is itself a piece of work, and it depends on an accurate dependency map. You cannot plan an exit from a component you do not know you run. This is why exit planning sits downstream of the inventory and the blast radius map produced by an assessment. Once you can see which single vendor components are load bearing in your estate, the shortlist for exit planning is usually short and obvious.

The five parts of an exit plan

A plan that a board can read and a team can execute has five parts. The first is the destination. Name the specific alternative or fork you would move to, such as OpenTofu for Terraform or Valkey for Redis, and confirm it is credible today rather than assuming one will appear. The second is the cost. Size the migration in engineering time, in parallel running cost, and in any retraining the move would require, so the price of leaving is a number rather than a fear. The third is the sequence. Lay out the order of the steps, the dependencies between them, and the points where the old and new systems must run side by side. The fourth is the trigger. Define the exact event that would start the move, whether that is a license change, a price increase past a threshold, or a vendor acquisition. The fifth is the owner. Name who is responsible for watching the trigger and who would lead the execution.

A plan missing any of these five is incomplete in a way that shows up at the worst moment. A plan with a destination but no cost cannot be funded. A plan with a cost but no trigger never starts until it is too late. A plan with everything but an owner sits in a drawer. The discipline is to settle all five while the pressure is low. The sequencing detail in particular benefits from the same rigor we apply in a remediation timeline and 90 day plan.

Costing the exit before the trigger fires

The most useful part of exit planning is the cost, because it converts an abstract worry into a budget line and a comparison. Once you know the price of leaving, you can weigh it against the price of staying under whatever new terms a vendor might propose. If the exit costs less than a likely commercial license, the exit is your leverage and your fallback. If the exit costs far more, you know to budget for the license and to negotiate hard on its terms rather than pretending you could easily walk. Either way the number changes the conversation. We model the comparison in detail in the cost model of each remediation path, and the wider menu of options in fork, migrate, or pay, the remediation decision.

Costing also exposes the hidden dependencies that turn a simple sounding exit into a large program. A database migration is rarely just the database. It pulls in the applications that query it, the backup and monitoring tooling around it, and the operational runbooks teams rely on. Surfacing that web during planning, rather than during execution, is what separates a plan that holds from a plan that collapses on contact.

Keeping the plan alive

An exit plan written once and filed away decays. The destination you chose may itself change, the cost moves as your deployment grows, and the trigger conditions evolve as vendors restructure. A living plan is reviewed on a regular cadence and refreshed when the underlying facts shift, which means exit planning belongs inside your governance process rather than alongside it. A component on your exit watchlist should be flagged in your inventory, monitored for license and ownership changes, and revisited whenever those signals move. This is the link between exit planning and the broader discipline of avoiding lock in, which we cover in vendor lock in after a relicense and how to avoid it.

Building and maintaining these plans for your load bearing dependencies is the work of our open source remediation advisory. For the full set of approaches to containing relicensing risk, see the remediation and alternatives pillar.