refactor: orion and base

modules/flake-parts.nix

@@ -3,12 +3,6 @@
   config,
   ...
 }:
-let
-  hostNames = builtins.attrNames (
-    inputs.nixpkgs.lib.filterAttrs (_: type: type == "directory") (builtins.readDir ./hosts)
-  );
-  nixosModules = config.flake.modules.nixos;
-in
 {
   imports = [
     inputs.flake-parts.flakeModules.modules
@@ -17,13 +11,13 @@ in
 
   systems = [ "x86_64-linux" ];
 
-  flake.nixosConfigurations = inputs.nixpkgs.lib.genAttrs hostNames (
-    name:
+  flake.nixosConfigurations = builtins.mapAttrs (
+    _: machine:
     inputs.nixpkgs.lib.nixosSystem {
       specialArgs = { inherit inputs; };
-      modules = [ nixosModules.${name} ];
+      modules = [ (machine.buildFunction machine) ];
     }
-  );
+  ) config.repo.machines;
 
   perSystem =
     { pkgs, ... }: