Configure nix inside the machines
Add sane nix defaults for debugging and usability reasons
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@ -7,6 +7,7 @@
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./meshnamed
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./networking.nix
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./packages.nix
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./nix-settings.nix
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inputs.sops-nix.nixosModules.sops
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# just some example options. Can be removed later
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./vm.nix
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28
nixosModules/clanCore/nix-settings.nix
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28
nixosModules/clanCore/nix-settings.nix
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@ -0,0 +1,28 @@
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{ lib, ... }:
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# Taken from:
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# https://github.com/nix-community/srvos/blob/main/nixos/common/nix.nix
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{
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# Fallback quickly if substituters are not available.
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nix.settings.connect-timeout = 5;
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# Enable flakes
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nix.settings.experimental-features = [
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"nix-command"
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"flakes"
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"repl-flake"
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];
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# The default at 10 is rarely enough.
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nix.settings.log-lines = lib.mkDefault 25;
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# Avoid disk full issues
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nix.settings.max-free = lib.mkDefault (3000 * 1024 * 1024);
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nix.settings.min-free = lib.mkDefault (512 * 1024 * 1024);
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nix.daemonCPUSchedPolicy = lib.mkDefault "batch";
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nix.daemonIOSchedClass = lib.mkDefault "idle";
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nix.daemonIOSchedPriority = lib.mkDefault 7;
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# Avoid copying unnecessary stuff over SSH
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nix.settings.builders-use-substitutes = true;
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}
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