snowfall lib migration wip

modules/nixos/services/ai/default.nix

@@ -0,0 +1,72 @@
+{
+  lib,
+  pkgs,
+  inputs,
+  namespace,
+  system,
+  target,
+  format,
+  virtual,
+  systems,
+  config,
+  ...
+}:
+with lib;
+with lib.${namespace}; let
+  cfg = config.${namespace}.services.ai;
+  impermanence = config.${namespace}.impermanence;
+  nvidia = config.${namespace}.hardware.nvidia;
+  persist = impermanence.persistentStorage;
+in {
+  options.${namespace}.services.ai = with types; {
+    enable = mkBoolOpt false "Enable local ai powered by ollama";
+    models = lib.mkOption {
+      type = types.listOf types.str;
+      default = [];
+      description = ''
+        Download these models using `ollama pull` as soon as `ollama.service` has started.
+
+        This creates a systemd unit `ollama-model-loader.service`.
+
+        Search for models of your choice from: <https://ollama.com/library>
+      '';
+    };
+    ui.enable = mkBoolOpt true "Enable openwebui at localhost:8080";
+    ui.port = mkOption {
+      type = types.port;
+      default = 8080;
+      description = ''
+        Port for ui
+      '';
+    };
+  };
+
+  config = mkIf cfg.enable {
+    services.ollama = {
+      enable = true;
+      loadModels = cfg.models;
+      acceleration =
+        if nvidia.enable
+        then "cuda"
+        else null;
+      home =
+        if impermanence.enable
+        then "${persist}/ollama"
+        else "/var/lib/ollama";
+      user = "ollama";
+      group = "ollama";
+    };
+
+    services.open-webui.enable = cfg.ui.enable;
+    services.open-webui.openFirewall = false;
+    services.open-webui.host = "0.0.0.0";
+    services.open-webui.port = cfg.ui.port;
+    services.open-webui.stateDir =
+      if impermanence.enable
+      then "${persist}/open-webui"
+      else "/var/lib/open-webui";
+    systemd.services.open-webui.serviceConfig.User = "ollama";
+    systemd.services.open-webui.serviceConfig.Group = "ollama";
+    systemd.services.open-webui.serviceConfig.DynamicUser = lib.mkForce false;
+  };
+}

modules/nixos/services/syncthing/default.nix

@@ -19,22 +19,24 @@ in {
   options.${namespace}.services.syncthing = with types; {
     enable = mkBoolOpt false "Enable syncthing service for the user";
     user = lib.mkOption {
-        type = lib.types.singleLineStr;
-        default = "";
-        example = "nixos";
-        description = ''
-          User, that will use the syncthing service (only one at a time)
-        '';
-      };
+      type = lib.types.singleLineStr;
+      default = "";
+      example = "nixos";
+      description = ''
+        User, that will use the syncthing service (only one at a time)
+      '';
+    };
   };
 
-  config =
-    mkIf cfg.enable {
-      systemd.services.syncthing.environment.STNODEFAULTFOLDER = "true"; # Don't create default ~/Sync folder
-  services.syncthing = {
-    inherit (cfg) user;
-    configDir = optional (impermanence.enable) "${impermanence.persistentStorage}/home/${cfg.user}/.config/syncthing";
-    enable = true;
-  };
+  config = mkIf cfg.enable {
+    systemd.services.syncthing.environment.STNODEFAULTFOLDER = "true"; # Don't create default ~/Sync folder
+    services.syncthing = {
+      inherit (cfg) user;
+      configDir =
+        if impermanence.enable
+        then "${impermanence.persistentStorage}/home/${cfg.user}/.config/syncthing"
+        else "/home/${cfg.user}/.config.syncthing";
+      enable = true;
     };
+  };
 }