diff options
Diffstat (limited to 'nixos/modules/services/system/zram-generator.nix')
-rw-r--r-- | nixos/modules/services/system/zram-generator.nix | 38 |
1 files changed, 38 insertions, 0 deletions
diff --git a/nixos/modules/services/system/zram-generator.nix b/nixos/modules/services/system/zram-generator.nix new file mode 100644 index 0000000000000..5902eda556967 --- /dev/null +++ b/nixos/modules/services/system/zram-generator.nix @@ -0,0 +1,38 @@ +{ 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") + ]; + + 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; + }; +} |