[lucia] remove old approach and build baseimg using nixos-generators

flake.lock

@@ -40,6 +40,42 @@
         "type": "github"
       }
     },
+    "nixlib": {
+      "locked": {
+        "lastModified": 1636849918,
+        "narHash": "sha256-nzUK6dPcTmNVrgTAC1EOybSMsrcx+QrVPyqRdyKLkjA=",
+        "owner": "nix-community",
+        "repo": "nixpkgs.lib",
+        "rev": "28a5b0557f14124608db68d3ee1f77e9329e9dd5",
+        "type": "github"
+      },
+      "original": {
+        "owner": "nix-community",
+        "repo": "nixpkgs.lib",
+        "type": "github"
+      }
+    },
+    "nixos-generators": {
+      "inputs": {
+        "nixlib": "nixlib",
+        "nixpkgs": [
+          "nixpkgs"
+        ]
+      },
+      "locked": {
+        "lastModified": 1669065280,
+        "narHash": "sha256-3+pq1oJWjGDLfd8G/vR3IIFZ+EQ/aglukA0bTiMlf3o=",
+        "owner": "nix-community",
+        "repo": "nixos-generators",
+        "rev": "50aeec40f2072d2ab267c8ec8a345573704ec110",
+        "type": "github"
+      },
+      "original": {
+        "owner": "nix-community",
+        "repo": "nixos-generators",
+        "type": "github"
+      }
+    },
     "nixos-hardware": {
       "locked": {
         "lastModified": 1664628729,
@@ -124,6 +160,7 @@
       "inputs": {
         "home-manager": "home-manager",
         "mfsync": "mfsync",
+        "nixos-generators": "nixos-generators",
         "nixos-hardware": "nixos-hardware",
         "nixpkgs": "nixpkgs_2",
         "nixpkgs-unstable": "nixpkgs-unstable",

flake.nix

@@ -10,6 +10,11 @@
     sops-nix.inputs.nixpkgs.follows = "nixpkgs";
     mfsync.url = "github:k4lipso/mfsync";
 
+    nixos-generators = {
+      url = "github:nix-community/nixos-generators";
+      inputs.nixpkgs.follows = "nixpkgs";
+    };
+
     home-manager=  {
       url = "github:nix-community/home-manager/release-22.05";
       inputs = {

machines/configuration.nix

@@ -37,20 +37,11 @@ in
     ];
   };
 
-  rpi1_base_image = nixosSystem {
+  lucia = nixosSystem {
     system = "aarch64-linux";
+    specialArgs.inputs = inputs;
     modules = [
-      "${nixpkgs}/nixos/modules/installer/sd-card/sd-image-raspberrypi.nix"
-      ./modules/sshd.nix
-      {
-        nixpkgs.config.allowUnsupportedSystem = true;
-        nixpkgs.crossSystem.system = "aarch64-linux";
-
-        networking.hostName = "rp1_base_image";
-        networking.networkmanager.enable = true;
-
-        system.stateVersion = "22.05";
-      }
+      ./lucia/configuration.nix
     ];
   };
 }

outputs.nix

@@ -2,6 +2,7 @@
 , utils
 , nixpkgs
 , nixpkgs-unstable
+, nixos-generators
 , sops-nix
 , ...
 } @inputs:
@@ -23,4 +24,17 @@ in (utils.lib.eachSystem (builtins.filter filter_system utils.lib.defaultSystems
     });
 
     images.rpi1_base_image = nixosConfigurations.rpi1_base_image.config.system.build.sdImage;
+    packages.x86_64-linux = {
+
+      lucia_base_img = nixos-generators.nixosGenerate {
+        system = "aarch64-linux";
+        modules = [
+          ./machines/modules/sshd.nix
+          {
+            networking.networkmanager.enable = true;
+          }
+        ];
+        format = "sd-aarch64-installer";
+      };
+    };
 }