Add Factorio (vultr) server

factorio/Makefile

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+.PHONY: deploy
+deploy:
+	nixos-rebuild switch --fast -I nixos-config=./configuration.nix --build-host root@factorio.chandlerswift.com --target-host root@factorio.chandlerswift.com
+
+.PHONY: create-server
+create-server:
+	../create-server.py factorio.chandlerswift.com
+

factorio/README.md

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+# factorio.chandlerswift.com

factorio/configuration.nix

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+{ config, lib, pkgs, ... }: {
+
+  nixpkgs.config.allowUnfreePredicate = pkg: builtins.elem (lib.getName pkg) [
+    "factorio-headless"
+  ];
+
+  imports = [
+    ./hardware-configuration.nix
+  ];
+
+  networking.hostName = "factorio";
+  time.timeZone = "America/Chicago";
+  i18n.defaultLocale = "en_US.UTF-8";
+
+  environment.systemPackages = with pkgs; [ rsync ];
+
+  services.openssh.enable = true;
+  users.users.root.openssh.authorizedKeys.keys = [''ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIEhPyyqS3BGYor3zLbjc8hZuhem3mS8TNmvWogXcnz/b chandler@chandlerswift.com'' ];
+
+  services.factorio = {
+    enable = true;
+    openFirewall = true;
+    nonBlockingSaving = true;
+    game-name = "Chandler's Factorio Server";
+    game-password = "nixosftw";
+    description = "Hi Jeff!";
+    mods =
+      let
+        inherit (pkgs) lib;
+        modDir = ./mods;
+        modList = lib.pipe modDir [
+          builtins.readDir
+          (lib.filterAttrs (k: v: v == "regular"))
+          (lib.mapAttrsToList (k: v: k))
+          (builtins.filter (lib.hasSuffix ".zip"))
+        ];
+        modToDrv = modFileName:
+          pkgs.runCommand "copy-factorio-mods" {} ''
+            mkdir $out
+            cp ${modDir + "/${modFileName}"} $out/${modFileName}
+          ''
+          // { deps = []; };
+      in
+        builtins.map modToDrv modList;
+  };
+
+#   networking.firewall.allowedTCPPorts = [
+#     80 # Caddy
+#     443 # Caddy
+#   ];
+  # networking.firewall.allowedUDPPorts = [ ... ];
+
+  # This option defines the first version of NixOS you have installed on this particular machine,
+  # and is used to maintain compatibility with application data (e.g. databases) created on older NixOS versions.
+  #
+  # Most users should NEVER change this value after the initial install, for any reason,
+  # even if you've upgraded your system to a new NixOS release.
+  system.stateVersion = "24.05";
+
+}
+

factorio/hardware-configuration.nix

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+{ modulesPath, ... }:
+{
+  imports = [ (modulesPath + "/profiles/qemu-guest.nix") ];
+  boot.loader.grub = {
+    efiSupport = true;
+    efiInstallAsRemovable = true;
+    device = "nodev";
+  };
+  fileSystems."/boot" = { device = "/dev/disk/by-uuid/FDD2-F69B"; fsType = "vfat"; };
+  boot.initrd.availableKernelModules = [ "ata_piix" "uhci_hcd" "xen_blkfront" "vmw_pvscsi" ];
+  boot.initrd.kernelModules = [ "nvme" ];
+  fileSystems."/" = { device = "/dev/vda2"; fsType = "ext4"; };
+  swapDevices = [{
+    device = "/swapfile";
+    size = 4 * 1024; # 4GB
+  }];
+  boot.tmp.cleanOnBoot = true;
+  zramSwap.enable = true;
+}

factorio/install_mods.sh

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+#!/usr/bin/env nix-shell
+#! nix-shell -i bash -p bash curl jq
+mods="Krastorio2 Krastorio2Assets flib Big_Brother AtomicArtillery AutoDeconstruct nixie-tubes"
+download_dir=./mods
+username=$(cat ../keys.toml | grep factorio-username | cut -d'"' -f2)
+token=$(cat ../keys.toml | grep factorio-token | cut -d'"' -f2)
+for mod in $mods; do
+    mod_data=$(curl -s https://mods.factorio.com/api/mods/$mod)
+    download_url=$(<<<$mod_data jq -r ".releases[-1].download_url")
+    file_name=$(<<<$mod_data jq -r ".releases[-1].file_name")
+    sha1=$(<<<$mod_data jq -r ".releases[-1].sha1") # TODO
+    [ -f $download_dir/$file_name ] || curl --location --no-clobber --output $download_dir/$file_name "https://mods.factorio.com/$download_url?username=$username&token=$token"
+done

factorio/mods/.gitignore

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+*
+!.gitignore