2d564521c0
some options have default that are best described in prose, such as defaults that depend on the system stateVersion, defaults that are derivations specific to the surrounding context, or those where the expression is much longer and harder to understand than a simple text snippet.
113 lines
3.6 KiB
Nix
113 lines
3.6 KiB
Nix
{ config, pkgs, lib, ... }:
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with lib;
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let
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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 "Quake 3 dedicated server";
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port = mkOption {
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type = types.port;
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default = 27960;
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description = ''
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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 = ''
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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 = ''
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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 = literalDocBook "Manually downloaded Quake 3 installation directory.";
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example = "/var/lib/q3ds";
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description = ''
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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} ${cfg.baseq3}/.q3a/baseq3/nix.cfg";
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ExecStart = "${pkgs.ioquake3}/ioq3ded.x86_64 +exec nix.cfg";
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};
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};
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};
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meta.maintainers = with maintainers; [ f4814n ];
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}
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