69 lines
		
	
	
		
			1.5 KiB
		
	
	
	
		
			Nix
		
	
	
	
	
	
			
		
		
	
	
			69 lines
		
	
	
		
			1.5 KiB
		
	
	
	
		
			Nix
		
	
	
	
	
	
{ config, lib, pkgs, ... }:
 | 
						|
with lib;
 | 
						|
let
 | 
						|
  stateDir = "/var/lib/foldingathome";
 | 
						|
  cfg = config.services.foldingAtHome;
 | 
						|
  fahUser = "foldingathome";
 | 
						|
in {
 | 
						|
 | 
						|
  ###### interface
 | 
						|
 | 
						|
  options = {
 | 
						|
 | 
						|
    services.foldingAtHome = {
 | 
						|
 | 
						|
      enable = mkOption {
 | 
						|
        default = false;
 | 
						|
        description = ''
 | 
						|
          Whether to enable the Folding@Home to use idle CPU time.
 | 
						|
        '';
 | 
						|
      };
 | 
						|
 | 
						|
      nickname = mkOption {
 | 
						|
        default = "Anonymous";
 | 
						|
        description = ''
 | 
						|
          A unique handle for statistics.
 | 
						|
        '';
 | 
						|
      };
 | 
						|
 | 
						|
      config = mkOption {
 | 
						|
        default = "";
 | 
						|
        description = ''
 | 
						|
          Extra configuration. Contents will be added verbatim to the
 | 
						|
          configuration file.
 | 
						|
        '';
 | 
						|
      };
 | 
						|
 | 
						|
    };
 | 
						|
 | 
						|
  };
 | 
						|
 | 
						|
  ###### implementation
 | 
						|
 | 
						|
  config = mkIf cfg.enable {
 | 
						|
 | 
						|
    users.extraUsers = singleton
 | 
						|
      { name = fahUser;
 | 
						|
        uid = config.ids.uids.foldingathome;
 | 
						|
        description = "Folding@Home user";
 | 
						|
        home = stateDir;
 | 
						|
      };
 | 
						|
 | 
						|
    systemd.services.foldingathome = {
 | 
						|
      after = [ "network-interfaces.target" ];
 | 
						|
      wantedBy = [ "multi-user.target" ];
 | 
						|
      preStart = ''
 | 
						|
        mkdir -m 0755 -p ${stateDir}
 | 
						|
        chown ${fahUser} ${stateDir}
 | 
						|
        cp -f ${pkgs.writeText "client.cfg" cfg.config} ${stateDir}/client.cfg
 | 
						|
      '';
 | 
						|
      script = "${pkgs.su}/bin/su -s ${pkgs.stdenv.shell} ${fahUser} -c 'cd ${stateDir}; ${pkgs.foldingathome}/bin/fah6'";
 | 
						|
    };
 | 
						|
 | 
						|
    services.foldingAtHome.config = ''
 | 
						|
        [settings]
 | 
						|
        username=${cfg.nickname}
 | 
						|
    '';
 | 
						|
  };
 | 
						|
}
 |