116 lines
3.7 KiB
Nix
116 lines
3.7 KiB
Nix
{ config, pkgs, lib, ... }:
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let
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inherit (lib) literalMD mkEnableOption mkIf mkOption types;
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cfg = config.services.quake3-server;
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configFile = pkgs.writeText "q3ds-extra.cfg" ''
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set net_port ${builtins.toString cfg.port}
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${cfg.extraConfig}
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'';
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defaultBaseq3 = pkgs.requireFile rec {
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name = "baseq3";
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hashMode = "recursive";
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sha256 = "5dd8ee09eabd45e80450f31d7a8b69b846f59738726929298d8a813ce5725ed3";
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message = ''
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Unfortunately, we cannot download ${name} automatically.
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Please purchase a legitimate copy of Quake 3 and change into the installation directory.
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You can either add all relevant files to the nix-store like this:
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mkdir /tmp/baseq3
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cp baseq3/pak*.pk3 /tmp/baseq3
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nix-store --add-fixed sha256 --recursive /tmp/baseq3
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Alternatively you can set services.quake3-server.baseq3 to a path and copy the baseq3 directory into
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$services.quake3-server.baseq3/.q3a/
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'';
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};
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home = pkgs.runCommand "quake3-home" {} ''
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mkdir -p $out/.q3a/baseq3
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for file in ${cfg.baseq3}/*; do
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ln -s $file $out/.q3a/baseq3/$(basename $file)
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done
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ln -s ${configFile} $out/.q3a/baseq3/nix.cfg
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'';
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in {
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options = {
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services.quake3-server = {
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enable = mkEnableOption (lib.mdDoc "Quake 3 dedicated server");
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package = lib.mkPackageOption pkgs "ioquake3" { };
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port = mkOption {
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type = types.port;
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default = 27960;
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description = lib.mdDoc ''
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UDP Port the server should listen on.
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'';
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};
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openFirewall = mkOption {
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type = types.bool;
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default = false;
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description = lib.mdDoc ''
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Open the firewall.
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'';
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};
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extraConfig = mkOption {
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type = types.lines;
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default = "";
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example = ''
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seta rconPassword "superSecret" // sets RCON password for remote console
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seta sv_hostname "My Quake 3 server" // name that appears in server list
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'';
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description = lib.mdDoc ''
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Extra configuration options. Note that options changed via RCON will not be persisted. To list all possible
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options, use "cvarlist 1" via RCON.
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'';
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};
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baseq3 = mkOption {
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type = types.either types.package types.path;
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default = defaultBaseq3;
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defaultText = literalMD "Manually downloaded Quake 3 installation directory.";
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example = "/var/lib/q3ds";
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description = lib.mdDoc ''
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Path to the baseq3 files (pak*.pk3). If this is on the nix store (type = package) all .pk3 files should be saved
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in the top-level directory. If this is on another filesystem (e.g /var/lib/baseq3) the .pk3 files are searched in
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$baseq3/.q3a/baseq3/
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'';
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};
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};
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};
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config = let
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baseq3InStore = builtins.typeOf cfg.baseq3 == "set";
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in mkIf cfg.enable {
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networking.firewall.allowedUDPPorts = mkIf cfg.openFirewall [ cfg.port ];
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systemd.services.q3ds = {
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description = "Quake 3 dedicated server";
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wantedBy = [ "multi-user.target" ];
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after = [ "networking.target" ];
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environment.HOME = if baseq3InStore then home else cfg.baseq3;
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serviceConfig = with lib; {
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Restart = "always";
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DynamicUser = true;
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WorkingDirectory = home;
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# It is possible to alter configuration files via RCON. To ensure reproducibility we have to prevent this
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ReadOnlyPaths = if baseq3InStore then home else cfg.baseq3;
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ExecStartPre = optionalString (!baseq3InStore) "+${pkgs.coreutils}/bin/cp ${configFile} ${cfg.baseq3}/.q3a/baseq3/nix.cfg";
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ExecStart = "${cfg.package}/bin/ioq3ded +exec nix.cfg";
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};
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};
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};
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meta.maintainers = with lib.maintainers; [ f4814n ];
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}
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