OpenFn / OpenFn/lightning

Allow a Lost run to be overruled by delayed events

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Dominant language
Elixir
Stars
296
Forks
86
Avg merge
1d 13h
Merged PRs (30d)
50

Description

One pattern I notice is that after a Run has been marked Lost by Lightning, often the work has all been done and we were just waiting for a message.

Sometimes after Lost, the worker will reconnect and try to send all messages. And they'll be rejected because the run was Lost.

We should consider engineering robustness into Lightning. A run can be Lost, sure, but if more information comes in after this, it should still listen, and the status should be updated.

This may well need support from the Worker. I think we should discuss next year.

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First steps

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  3. Fork the repository and make your change on a branch.
  4. Open a pull request that references the issue number.

Research direction

Start by tracing how a Run becomes Lost and how messages from a reconnecting worker are handled afterward. Clarify the intended state transition and required Worker support with maintainers; done means the behavior for post-Lost messages is agreed and covered by tests.

Written by the indexing model from the issue text.

Assessment

Tech stack
elixir
Domain
backend, distributed-systems
Issue type
Feature
Difficulty
5/5
Estimated time
Over a week
Activity status
Stale
Clarity
Needs clarification
Newbie friendliness
25/100

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