[NixOS] Automatically add configurations for machine files

nixos/flake.nix

@@ -51,32 +51,38 @@
     home-manager.useUserPackages = true;
     home-manager.users.imalison = import ./home-manager.nix;
   });
-  mkNixosConfig = args@{ system ? "x86_64-linux", baseModules ? [ forAll ], modules ? [], specialArgs ? {}, ... }:
+  mkConfig = args@{ system ? "x86_64-linux", baseModules ? [ forAll ], modules ? [], specialArgs ? {}, ... }:
   nixpkgs.lib.nixosSystem (args // {
     inherit system;
     modules = baseModules ++ modules;
     specialArgs = { inherit inputs; } // specialArgs;
   });
-  in
-  {
-    nixosConfigurations = {
-      ivanm-dfinity-razer = mkNixosConfig {
-        modules = [ ./machines/ivanm-dfinity-razer.nix ];
-      };
-      ryzen-shine = mkNixosConfig {
-        modules = [ ./machines/ryzen-shine.nix ];
-      };
-      adele = mkNixosConfig {
-        modules = [ ./machines/adele.nix ];
-      };
-      biskcomp = mkNixosConfig {
-        system = "aarch64-linux";
-        modules = [ ./machines/biskcomp.nix ];
-      };
-      air-gapped-pi = mkNixosConfig {
-        system = "aarch64-linux";
-        modules = [ ./machines/air-gapped-pi.nix ];
-      };
+  machineFilenames = builtins.attrNames (builtins.readDir ./machines);
+  machineNameFromFilename = filename: builtins.head (builtins.split "\\." filename);
+  mkConfigurationParams = filename: {
+    name = machineNameFromFilename filename;
+    value = {
+      modules = [ (./machines + ("/" + filename)) ];
     };
   };
+  defaultConfigurationParams =
+    builtins.listToAttrs (map mkConfigurationParams machineFilenames);
+  customParams = {
+    biskcomp = {
+      system = "aarch64-linux";
+    };
+    air-gapped-pi = {
+      system = "aarch64-linux";
+    };
+  };
+  in
+  {
+    nixosConfigurations = builtins.mapAttrs (machineName: params:
+    let machineParams =
+      if builtins.hasAttr machineName customParams
+      then (builtins.getAttr machineName customParams)
+      else {};
+    in mkConfig (params // machineParams)
+    ) defaultConfigurationParams;
+  };
 }

nixos/machines/air-gapped-pi.nix

@@ -7,7 +7,6 @@
 
   networking.hostName = "air-gapped-pi";
   hardware.video.hidpi.enable = true;
-  networking.enable = false;
 
   system.stateVersion = "21.05";
 }

nixos/machines/imalison-home.nix

@@ -2,11 +2,12 @@
 
 {
   imports = [
-    <nixpkgs/nixos/modules/installer/scan/not-detected.nix>
+    ../users.nix
     ../full.nix
-    # ../cachix.nix
   ];
 
+  hardware.enableRedistributableFirmware = true;
+
   boot.initrd.availableKernelModules = [ "xhci_pci" "ahci" "usbhid" "sd_mod" ];
   boot.kernelModules = [ "kvm-intel" ];
   boot.extraModulePackages = [ ];
@@ -45,43 +46,15 @@
   nix.maxJobs = lib.mkDefault 4;
   powerManagement.cpuFreqGovernor = lib.mkDefault "powersave";
 
-  boot.initrd.luks.devices = [
-    {
-      name = "root";
-      device = "/dev/sda3";
-      preLVM = true;
-    }
-  ];
+  # boot.initrd.luks.devices."cryptroot" = {
+  #   name = "root";
+  #   device = "/dev/sda3";
+  #   preLVM = true;
+  # };
 
   networking.hostName = "imalison-home";
   boot.loader.efi.canTouchEfiVariables = true;
 
-  services.samba = {
-    enable = true;
-    syncPasswordsByPam = true;
-    extraConfig = ''
-      workgroup = WORKGROUP
-      server string = smbnix
-      netbios name = smbnix
-      #use sendfile = yes
-      #max protocol = smb2
-      hosts allow = 192.168.0  localhost
-      hosts deny = 0.0.0.0/0
-    '';
-    shares = {
-      private = {
-        path = "/backups";
-        browseable = "yes";
-        "read only" = "no";
-        "guest ok" = "no";
-        "create mask" = "0644";
-        "directory mask" = "0755";
-        "force user" = "username";
-        "force group" = "groupname";
-      };
-    };
-  };
-
   services.xserver = {
     screenSection = ''
       DefaultDepth 24

nixos/machines/uber-loaner.nix

@@ -2,12 +2,13 @@
 
 {
   imports = [
-    <nixpkgs/nixos/modules/installer/scan/not-detected.nix>
     ../full.nix
     ../games.nix
     ../extra.nix
   ];
 
+  hardware.enableRedistributableFirmware = true;
+
   boot.initrd.availableKernelModules = [ "xhci_pci" "ahci" "usbhid" "sd_mod" ];
   boot.kernelModules = [ "kvm-intel" ];
   boot.extraModulePackages = [ pkgs.linuxPackages.rtl8814au ];