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nixos/zram-generator: init

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Nick Cao 2023-08-13 15:36:23 +08:00
parent da16740990
commit a7e095d9fd
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2 changed files with 43 additions and 0 deletions
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1
nixos/modules/module-list.nix
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@ -1169,6 +1169,7 @@
./services/system/self-deploy.nix
./services/system/systembus-notify.nix
./services/system/uptimed.nix
./services/system/zram-generator.nix
./services/torrent/deluge.nix
./services/torrent/flexget.nix
./services/torrent/magnetico.nix

42
nixos/modules/services/system/zram-generator.nix Normal file
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@ -0,0 +1,42 @@
{ config, lib, pkgs, ... }:
let
cfg = config.services.zram-generator;
settingsFormat = pkgs.formats.ini { };
in
{
meta = {
maintainers = with lib.maintainers; [ nickcao ];
};
options.services.zram-generator = {
enable = lib.mkEnableOption (lib.mdDoc "Systemd unit generator for zram devices");
package = lib.mkPackageOptionMD pkgs "zram-generator" { };
settings = lib.mkOption {
type = lib.types.submodule {
freeformType = settingsFormat.type;
};
default = { };
description = lib.mdDoc ''
Configuration for zram-generator,
see https://github.com/systemd/zram-generator for documentation.
'';
};
};
config = lib.mkIf cfg.enable {
system.requiredKernelConfig = with config.lib.kernelConfig; [
(isModule "ZRAM")
];
# Disabling this for the moment, as it would create and mkswap devices twice,
# once in stage 2 boot, and again when the zram-reloader service starts.
# boot.kernelModules = [ "zram" ];
systemd.packages = [ cfg.package ];
systemd.services."systemd-zram-setup@".path = [ pkgs.util-linux ]; # for mkswap
environment.etc."systemd/zram-generator.conf".source = settingsFormat.generate "zram-generator.conf" cfg.settings;
};
}