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enabling ca-derivations makes deployments freeze #1520

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sbourdeauducq opened this issue May 28, 2022 · 3 comments
Open

enabling ca-derivations makes deployments freeze #1520

sbourdeauducq opened this issue May 28, 2022 · 3 comments

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@sbourdeauducq
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  1. Deploy a NixOS 22.05 system with nixops 2.0.0 and experimental-features = ca-derivations in the target machine's Nix configuration.
  2. Deployment succeeds, target machine is now running with ca-derivations.
  3. Run the deployment again. This time, it eventually prints:
machine......> waiting for exclusive access to the Nix store for ca drvs...

and freezes there, breaking all further deployments.
@sbourdeauducq sbourdeauducq mentioned this issue May 28, 2022
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@roberth
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roberth commented May 28, 2022

This looks like a Nix version compatibility bug.

@sbourdeauducq Which Nix version is on the machine and which Nix version do you run on the nixops side?

@Ericson2314 any ideas?

@sbourdeauducq
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2.8.1 on the machine and 2.4 on the nixops side.

@sbourdeauducq
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The bug is still the same after updating the nixops side to Nix 2.8.1.

@elaforge elaforge mentioned this issue Jun 13, 2022
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@roberth @sbourdeauducq