Initial flake commit

config/host-config/lambda.nix

@@ -33,17 +33,17 @@ in {
     secret-paths = [ "/state/secrets" ];
   };
 
-  systemd.tmpfiles.rules = [
-    "L /root/.gnupg - - - - ${state-dir}/user/root/gnupg"
-    # "L /root/.emacs.d - - - - ${state-dir}/user/root/emacs.d"
-    "L /root/.ssh/id_rsa - - - - ${state-dir}/user/root/ssh/id_rsa"
-    "L /root/.ssh/id_rsa.pub - - - - ${state-dir}/user/root/ssh/id_rsa.pub"
-    "L /root/.ssh/known_hosts - - - - ${state-dir}/user/root/ssh/known_hosts"
+  fudo.games.valheim = {
+    enable = true;
+    state-directory = "/state/games/valheim";
+    password = "silkymilky";
+  };
 
-    # "L /etc/ssh/ssh_host_rsa_key - - - - ${state-dir}/ssh/ssh_host_rsa_key"
-    # "L /etc/ssh/ssh_host_rsa_key.pub - - - - ${state-dir}/ssh/ssh_host_rsa_key.pub"
-    # "L /etc/ssh/ssh_host_ed25519_key - - - - ${state-dir}/ssh/ssh_host_ed25519_key"
-    # "L /etc/ssh/ssh_host_ed25519_key.pub - - - - ${state-dir}/ssh/ssh_host_ed25519_key.pub"
+  systemd.tmpfiles.rules = [
+    "L /root/.gnupg           - - - - ${state-dir}/user/root/gnupg"
+    "L /root/.ssh/id_rsa      - - - - ${state-dir}/user/root/ssh/id_rsa"
+    "L /root/.ssh/id_rsa.pub  - - - - ${state-dir}/user/root/ssh/id_rsa.pub"
+    "L /root/.ssh/known_hosts - - - - ${state-dir}/user/root/ssh/known_hosts"
   ];
 
   services.openssh.hostKeys = [

config/host-config/zbox.nix

@@ -2,7 +2,7 @@
 
 {
   system.stateVersion = "20.09";
-  
+
   # TODO: remove?
   nixpkgs.config.permittedInsecurePackages = [
     "openssh-with-gssapi-8.4p1" # CVE-2021-28041
@@ -10,6 +10,8 @@
 
   fudo.slynk.enable = true;
 
+  environment.systemPackages = with pkgs; [ opencv-java worther ];
+
   networking = {
     interfaces = {
       eno1.useDHCP = false;

config/profile-config/common-ui.nix

@@ -43,13 +43,6 @@ in {
       # };
     };
 
-    emacs = {
-      enable = true;
-      install = true;
-      package = pkgs.emacs;
-      defaultEditor = true;
-    };
-
     trezord.enable = true;
   };
 

config/profile-config/server.nix

@@ -52,16 +52,7 @@ in {
 
     networking.networkmanager.enable = mkForce false;
 
-    services = {
-      xserver.enable = false;
-
-      emacs = {
-        enable = true;
-        install = true;
-        package = pkgs.emacs;
-        defaultEditor = true;
-      };
-    };
+    services = { xserver.enable = false; };
 
     sound.enable = false;
     hardware.pulseaudio.enable = false;

flake.nix

@@ -1,7 +1,7 @@
 let target-version = "21.05";
 
 in {
-  description = "A very basic flake";
+  description = "Fudo Host Configuration";
 
   inputs = {
     nixpkgs.url = "nixpkgs/nixos-${target-version}";
@@ -20,10 +20,20 @@ in {
       hosts = map hostname-from-file (attrNames (filterAttrs is-nix-file
         (filterAttrs is-regular-file (builtins.readDir ./config/hosts))));
 
-    in {
-      nixConfigurations = mapAttrs (host: hostOpts:
-        lib.nixosSystem {
+      pkgs = import nixpkgs { };
 
+    in {
+      nixConfigurations = mapAttrs (hostname: hostOpts:
+        lib.nixosSystem {
+          inherit system;
+          modules = [
+            (import ./initialize.nix {
+              hostname = hostname;
+              home-manager-package = home-manager;
+              pkgs = pkgs;
+              include-secrets = true;
+            })
+          ];
         }) host-configs;
     };
 }

home-manager/niten.nix

@@ -18,8 +18,8 @@ let
 
   doom-emacs = pkgs.callPackage (pkgs.fetchgit {
     url = "https://github.com/vlaci/nix-doom-emacs.git";
-    rev = "3893c50877a9d2d5d4aeee524ba1539f22115f1f";
-    sha256 = "1jz8mxh143a4470mq303ng6dh3bxi6mcppqli4z0m13qhqssh4fx";
+    rev = "fee14d217b7a911aad507679dafbeaa8c1ebf5ff";
+    sha256 = "1g0izscjh5nv4n0n1m58jc6z27i9pkbxs17mnb05a83ffdbmmva6";
   }) {
     doomPrivateDir = "${pkgs.doom-emacs-config}";
     extraPackages = with pkgs.emacsPackages; [ elpher use-package ];
@@ -70,6 +70,7 @@ let
     cdrtools
     cargo
     clojure
+    clj2nix
     cmake
     curl
     doom-emacs
@@ -158,7 +159,17 @@ in {
     "Xft.lcdfilter" = "lcddefault";
   };
 
-  services.gpg-agent.enable = true;
+  services = {
+    emacs = {
+      enable = true;
+      package = doom-emacs;
+      client = {
+        enable = true;
+        arguments = [ "-t" ];
+      };
+    };
+    gpg-agent.enable = true;
+  };
 
   home = {
     packages =
@@ -194,23 +205,15 @@ in {
         '';
       };
 
-      ".fonts.conf" = { source = ../static/fonts.conf; };
+      # ".fonts.conf" = { source = ../static/fonts.conf; };
     };
 
     sessionVariables = {
-      EDITOR = "emacsclient -t";
+      # EDITOR = "${doom-emacs}/bin/emacsclient -t";
       ALTERNATE_EDITOR = "";
 
       HISTCONTROL = "ignoredups:ignorespace";
     };
-
-    # activation = let
-    #   ensure-dir-script = dir: ''
-    #     $DRY_RUN_CMD [[ -d "${dir}" ]] || mkdir -p "${dir}"
-    #   '';
-    #   ensure-dirs-script =
-    #     concatStringsSep "\n" (map ensure-dir-script ensure-directories);
-    # in hm.dag.entryAfter [ "writeBoundary" ] ensure-dirs-script;
   };
 
   systemd.user.tmpfiles.rules =

lib/default.nix

@@ -43,6 +43,8 @@ with lib; {
     ./fudo/webmail.nix
     ./fudo/wireless-networks.nix
 
+    ./fudo/games/valheim.nix
+
     ./informis/cl-gemini.nix
   ];
 }

lib/fudo/games/default.nix

@@ -0,0 +1,5 @@
+{ ... }:
+
+{
+  imports = [ ./valheim.nix ];
+}

lib/fudo/games/valheim.nix

@@ -0,0 +1,63 @@
+{ config, lib, pkgs, ... }:
+
+with lib;
+let cfg = config.fudo.games.valheim;
+in {
+  options.fudo.games.valheim = with types; {
+    enable = mkEnableOption "Enable dedicated Valheim server.";
+
+    state-directory = mkOption {
+      type = str;
+      description = "Directory at which to store Valheim state data.";
+      default = "/var/lib/valheim";
+    };
+
+    port = mkOption {
+      type = port;
+      description = "Port on which to listen for connections.";
+      default = 2456;
+    };
+
+    password = mkOption {
+      type = str;
+      description = "Password required by connecting users.";
+    };
+  };
+
+  config = mkIf cfg.enable {
+    users.users.valheim = {
+      home = cfg.state-directory;
+      createHome = true;
+      isSystemUser = true;
+    };
+
+    systemd.services.fudo-valheim = {
+      wantedBy = [ "multi-user.target" ];
+      serviceConfig = {
+        ExecStartPre = ''
+          [[ -d ${cfg.state-directory}/state ]] || mkdir ${cfg.state-directory}/state
+          ${pkgs.steamcmd}/bin/steamcmd \
+            +login anonymous \
+            +force_install_dir ${cfg.state-directory}/state \
+            +app_update 896660 \
+            +quit
+        '';
+
+        ExecStart = ''
+          ${pkgs.glibc}/lib/ld-linux-x86-64.so.2 ./valheim_server.x86_64 \
+            -name "CoCo Valheim" \
+            -port ${toString cfg.port} \
+            -world "Dedicated" \
+            -password ${cfg.password} \
+            -public 1
+        '';
+        Nice = -5;
+        Restart = "always";
+        User = "valheim";
+        StateDirectory = "${cfg.state-directory}/state";
+        WorkingDirectory = cfg.state-directory;
+      };
+      environment = { LD_LIBRARY_PATH = "linux64:${pkgs.glibc}/lib"; };
+    };
+  };
+}

packages/default.nix

@@ -68,8 +68,9 @@ in {
 
     opencv-java = pkgs.opencv.overrideAttrs (oldAttrs: rec {
       # buildInputs = oldAttrs.buildInputs ++ [ pkgs.ant ];
+      pname = "opencv-java";
       nativeBuildInputs = oldAttrs.nativeBuildInputs ++ [ pkgs.jdk11 pkgs.ant ];
-      # cmakeFlags = oldAttrs.cmakeFlags ++ [ "-DWITH_JAVA=ON" ];
+      cmakeFlags = oldAttrs.cmakeFlags ++ [ "-DWITH_JAVA=ON" ];
     });
 
     hll2380dw-cups = import ./hll2380dw-cups.nix {
@@ -176,5 +177,11 @@ in {
       rev = "278a90f7ce219e36e5de0a80b540e469a9bce912";
       sha256 = "06qns3ayc84mamdgn0jw652rvx60wy9km1vxm2361mzmx2zk89iw";
     };
+
+    clj2nix = pkgs.callPackage (pkgs.fetchgit {
+      url = "https://github.com/hlolli/clj2nix.git";
+      rev = "e6d09dd8c5cda68eb0534bd8501f2d5dcd7b2e95";
+      sha256 = "0v0q6iglr0lx13j1snzd8mjxids1af1p2h7bkvmsyk2bfp36naqx";
+    }) { };
   };
 }