Configuration for my NixOS based systems and Home Manager
Add Valheim game server
+145
+2
host-specific/odin/configuration.nix
+2
host-specific/odin/configuration.nix
+80
host-specific/odin/steam.nix
+80
host-specific/odin/steam.nix
···
1
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{
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pkgs,
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unstable,
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...
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}:
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{
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users.users.steam = {
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isSystemUser = true;
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group = "steam";
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home = "/var/lib/steam";
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createHome = true;
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};
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users.groups.steam = { };
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+
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systemd.services."steam@" = {
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unitConfig = {
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StopWhenUnneeded = true;
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};
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serviceConfig = {
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Type = "oneshot";
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ExecStart = "${
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pkgs.resholve.writeScript "steam"
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{
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interpreter = "${pkgs.zsh}/bin/zsh";
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inputs = with pkgs; [
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patchelf
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unstable.steamcmd
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];
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execer = [
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"cannot:${unstable.steamcmd}/bin/steamcmd"
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];
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}
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''
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set -eux
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instance=''${1:?Instance Missing}
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eval 'args=(''${(@s:_:)instance})'
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app=''${args[1]:?App ID missing}
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beta=''${args[2]:-}
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betapass=''${args[3]:-}
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+
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dir=/var/lib/steam-app-$instance
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+
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cmds=(
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+force_install_dir $dir
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+login anonymous
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+app_update $app validate
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)
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if [[ $beta ]]; then
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cmds+=(-beta $beta)
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if [[ $betapass ]]; then
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cmds+=(-betapassword $betapass)
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fi
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fi
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+
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cmds+=(+quit)
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steamcmd $cmds
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for f in $dir/*; do
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if ! [[ -f $f && -x $f ]]; then
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continue
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fi
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# Update the interpreter to the path on NixOS.
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patchelf --set-interpreter ${pkgs.glibc}/lib/ld-linux-x86-64.so.2 $f || true
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done
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''
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} %i";
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PrivateTmp = true;
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Restart = "on-failure";
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StateDirectory = "steam-app-%i";
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TimeoutStartSec = 3600; # Allow time for updates.
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User = "steam";
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WorkingDirectory = "~";
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};
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};
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}
+63
host-specific/odin/valheim.nix
+63
host-specific/odin/valheim.nix
···
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# See https://kevincox.ca/2022/12/09/valheim-server-nixos-v2/
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{ pkgs, utils, ... }:
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let
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# Set to {id}-{branch}-{password} for betas.
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steam-app = "896660";
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in
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{
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imports = [
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./steam.nix
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];
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+
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users.users.valheim = {
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isSystemUser = true;
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# Valheim puts save data in the home directory.
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home = "/var/lib/valheim";
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createHome = true;
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homeMode = "750";
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group = "valheim";
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};
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users.groups.valheim = { };
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systemd.services.valheim = {
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wantedBy = [ "multi-user.target" ];
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# Install the game before launching.
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wants = [ "steam@${steam-app}.service" ];
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after = [ "steam@${steam-app}.service" ];
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serviceConfig = {
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ExecStart = utils.escapeSystemdExecArgs [
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"/var/lib/steam-app-${steam-app}/valheim_server.x86_64"
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"-nographics"
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"-batchmode"
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# "-crossplay" # This is broken because it looks for "party" shared library in the wrong path.
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"-savedir"
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"/var/lib/valheim/save"
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"-name"
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"rm -rf"
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"-port"
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"2456"
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"-world"
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"Dedicated"
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"-password"
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"Password123"
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"-public"
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"0" # Valheim now supports favourite servers in-game which I am using instead of listing in the public registry.
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"-backups"
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"3" # I take my own backups, if you don't you can remove this to use the built-in basic rotation system.
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];
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Nice = "-5";
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PrivateTmp = true;
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Restart = "always";
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User = "valheim";
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WorkingDirectory = "~";
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};
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environment = {
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# linux64 directory is required by Valheim.
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LD_LIBRARY_PATH = "/var/lib/steam-app-${steam-app}/linux64:${pkgs.glibc}/lib";
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SteamAppId = "892970";
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};
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};
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}