clouvider-lon01: add factorio server

ops/nixos/clouvider-lon01/default.nix

@@ -233,6 +233,29 @@ in {
   systemd.tmpfiles.rules = [
     "d /run/minotarproxy 0700 minotarproxy - -"
   ];
+  systemd.mounts = let
+    bindMount' = dir: {
+      unitConfig.RequiresMountsFor = dir;
+      options = "bind";
+      what = "/persist${dir}";
+      where = dir;
+    };
+    bindMountSvc = dir: svc: (bindMount' dir) // {
+      bindsTo = [svc];
+      partOf = [svc];
+    };
+    bindMountSvcDynamic = dir: svc: (bindMount' "/var/lib/private/${dir}") // {
+      requiredBy = [svc];
+      before = [svc];
+      wantedBy = ["multi-user.target"];
+    };
+    bindMount = dir: (bindMount' dir) // {
+      wantedBy = ["multi-user.target"];
+    };
+  in [
+    (bindMountSvcDynamic "factorio" "factorio.service")
+  ];
+
 
   environment.etc."secrets/gitlab-runner-registration" = {
     text = ''
@@ -262,5 +285,23 @@ in {
 
   nix.gc.automatic = false;
 
+  services.factorio = {
+    inherit (secrets.factorio) username token;
+    enable = true;
+    package = pkgs.factorio-headless-experimental;
+    saveName = "lukegb20201124";
+    game-name = "Briefcase Full of Bees";
+    extraSettings = {
+      admins = ["lukegb"];
+      auto_pause = true;
+      only_admins_can_pause_the_game = false;
+      game_password = secrets.factorioServerPassword;
+      non_blocking_saving = true;
+      autosave_only_on_server = true;
+      autosave_interval = 5;
+      autosave_slots = 60;
+    };
+  };
+
   system.stateVersion = "20.09";
 }