Add checkpointer to cog-runtime #229
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NikhilSinha1
changed the title
NikhilSinha1
commented
Oct 8, 2025
internal/runner/manager.go
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| // Derive the runtime context from the manager's context | ||
| runtimeContext, runtimeCancel := context.WithCancel(ctx) | ||
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| cmd, callback, err := cp.Restore(runtimeContext) |
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Call this postRunnerStart or something
NikhilSinha1
commented
Oct 8, 2025
internal/runner/manager.go
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| m.runners[0] = runner | ||
| m.monitoringWG.Go(func() { | ||
| m.monitorRunnerSubprocess(m.ctx, DefaultRunnerName, runner) |
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Move this after the goto
NikhilSinha1
commented
Oct 8, 2025
internal/service/service.go
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| if s.cfg.SignalMode { | ||
| // This runs an infinite loop for handling signals, so we explicitly | ||
| // do not want to put it in a wait group of any kind | ||
| go s.handler.HandleSignals() |
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Add a context for cancelling
meatballhat
approved these changes
Oct 8, 2025
nmurthy
approved these changes
Oct 9, 2025
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Summary
We want to add checkpointing to cog-runtime, so we can checkpoint and restore models after they completed setup. As such, this PR introduces the
Checkpointerobject, that exposes the ability to checkpoint and restore the model.To enable this, we also want to restore some of the ability for
cogletto use signals to communicate with the parent process over signals rather than over webhooks, as switched to in this PR.