parts: add an option for headless configurations

moni-dz · Nov 17, 2023 · 20909b3 · 20909b3
1 parent 9ab07fd
commit 20909b3
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Showing 2 changed files with 26 additions and 22 deletions.
diff --git a/hosts/default.nix b/hosts/default.nix
@@ -13,6 +13,7 @@
     mistral = {
       system = "x86_64-linux";
       stateVersion = "23.05";
+      server = true;
 
       modules = [
         inputs.nix-minecraft.nixosModules.minecraft-servers

diff --git a/modules/parts/nixos.nix b/modules/parts/nixos.nix
@@ -9,6 +9,8 @@ let
 
   nixosOpts = opts@{ config, name, ... }: {
     options = {
+      server = lib.mkEnableOption "Host is a headless server configuration.";
+
       system = lib.mkOption {
         type = types.enum [ "aarch64-linux" "x86_64-linux" ];
         description = "System architecture for the configuration.";
@@ -33,35 +35,36 @@ let
       };
     };
 
-    config._nixos = withSystem config.system (ctx:
-      inputs.nixpkgs.lib.nixosSystem {
-        modules = config.modules ++ [
+    config._nixos = withSystem config.system
+      (ctx:
+        inputs.nixpkgs.lib.nixosSystem {
+          modules = config.modules ++ lib.optionals !config.server [
           # Shared configuration across all NixOS machines
           ../shared/nixos
-
+          ] ++ [
           ({ pkgs, ... }: {
-            inherit (ctx) nix nixpkgs;
-            _module.args = ctx.extraModuleArgs;
-            networking.hostName = name;
-            system.stateVersion = config.stateVersion;
-            environment.systemPackages = ctx.basePackagesFor pkgs;
-          })
-        ] ++ lib.optionals config.wsl [
-          inputs.nixos-wsl.nixosModules.wsl
+          inherit (ctx) nix nixpkgs;
+          _module.args = ctx.extraModuleArgs;
+          networking.hostName = name;
+          system.stateVersion = config.stateVersion;
+          environment.systemPackages = ctx.basePackagesFor pkgs;
+        })
+      ] ++ lib.optionals config.wsl [
+      inputs.nixos-wsl.nixosModules.wsl
 
-          ({ lib, pkgs, ... }: {
-            wsl.wslConf.network.hostname = name;
-            system.build.installBootLoader = lib.mkForce "${pkgs.coreutils}/bin/true";
-          })
-        ];
-      }
-    );
+      ({ lib, pkgs, ... }: {
+      wsl.wslConf.network.hostname = name;
+    system.build.installBootLoader = lib.mkForce "${pkgs.coreutils}/bin/true";
+  })
+  ];
+  }
+  );
   };
-in
-{
+  in
+  {
   options.parts.nixosConfigurations = lib.mkOption {
     type = types.attrsOf (types.submodule nixosOpts);
   };
 
   config.flake.nixosConfigurations = configurations;
-}
+  }