feat: reduce headless device closures

Author: gigamonster256

hosts/tinyca/default.nix

@@ -4,6 +4,10 @@
   ci.aarch64-linux.nixos = [ "tinyca" ];
 
   unify.hosts.nixos.tinyca = {
+    modules = with config.unify.modules; [
+      minimal
+    ];
+
     nixos =
       { lib, pkgs, ... }:
       {

hosts/wyse/default.nix

@@ -15,6 +15,7 @@
       imports = [
         config.unify.modules.facter.nixos
         config.unify.modules.disko.nixos
+        config.unify.modules.minimal.nixos
         config.unify.modules.node_exporter.nixos
       ];
 

modules/minimal.nix

@@ -0,0 +1,18 @@
+{ inputs, ... }:
+{
+  # making minimal installs
+  unify.modules.minimal.nixos = {
+    imports = [
+      "${inputs.nixpkgs}/nixos/modules/profiles/headless.nix"
+      "${inputs.nixpkgs}/nixos/modules/profiles/minimal.nix"
+    ];
+
+    # only add strictly necessary modules
+    boot.initrd.includeDefaultModules = false;
+    #   boot.initrd.kernelModules = [ "ext4" ... ];
+    disabledModules = [
+      "${inputs.nixpkgs}/nixos/modules/profiles/all-hardware.nix"
+      "${inputs.nixpkgs}/nixos/modules/profiles/base.nix"
+    ];
+  };
+}