forked from mirrors/nixpkgs
104 lines
3 KiB
Nix
104 lines
3 KiB
Nix
{ config, lib, pkgs, ... }:
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with lib;
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let
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cfg = config.services.factorio;
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name = "Factorio";
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stateDir = "/var/lib/factorio";
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configFile = pkgs.writeText "factorio.conf" ''
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use-system-read-write-data-directories=true
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[path]
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read-data=${pkgs.factorio-headless}/share/factorio/data
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write-data=${stateDir}
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'';
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in
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{
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options = {
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services.factorio = {
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enable = mkEnableOption name;
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port = mkOption {
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type = types.int;
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default = 34197;
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description = ''
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The port to which the service should bind.
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This option will also open up the UDP port in the firewall configuration.
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'';
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};
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saveName = mkOption {
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type = types.string;
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default = "default";
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description = ''
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The name of the savegame that will be used by the server.
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When not present in ${stateDir}/saves, it will be generated before starting the service.
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'';
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};
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# TODO Add more individual settings as nixos-options?
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# TODO XXX The server tries to copy a newly created config file over the old one
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# on shutdown, but fails, because it's in the nix store. When is this needed?
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# Can an admin set options in-game and expect to have them persisted?
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configFile = mkOption {
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type = types.path;
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default = configFile;
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defaultText = "configFile";
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description = ''
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The server's configuration file.
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The default file generated by this module contains lines essential to
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the server's operation. Use its contents as a basis for any
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customizations.
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'';
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};
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};
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};
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config = mkIf cfg.enable {
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users = {
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users.factorio = {
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uid = config.ids.uids.factorio;
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description = "Factorio server user";
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group = "factorio";
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home = stateDir;
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createHome = true;
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};
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groups.factorio = {
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gid = config.ids.gids.factorio;
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};
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};
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systemd.services.factorio = {
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description = "Factorio headless server";
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wantedBy = [ "multi-user.target" ];
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after = [ "network.target" ];
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preStart = ''
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test -e ${stateDir}/saves/${cfg.saveName}.zip || \
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${pkgs.factorio-headless}/bin/factorio \
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--config=${cfg.configFile} \
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--create=${stateDir}/saves/${cfg.saveName}.zip
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'';
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serviceConfig = {
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User = "factorio";
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Group = "factorio";
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Restart = "always";
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KillSignal = "SIGINT";
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WorkingDirectory = stateDir;
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PrivateTmp = true;
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UMask = "0007";
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ExecStart = toString [
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"${pkgs.factorio-headless}/bin/factorio"
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"--config=${cfg.configFile}"
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"--port=${toString cfg.port}"
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"--start-server=${stateDir}/saves/${cfg.saveName}.zip"
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];
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};
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};
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networking.firewall.allowedUDPPorts = [ cfg.port ];
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};
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}
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