build image via flake config

Author: joshp123

flake.nix

@@ -90,5 +90,15 @@
           ./nix/hosts/clawdinator-1.nix
         ];
       };
+
+      nixosConfigurations.clawdinator-1-image = nixpkgs.lib.nixosSystem {
+        system = "x86_64-linux";
+        specialArgs = { inherit secrets; };
+        modules = [
+          ({ ... }: { nixpkgs.overlays = [ self.overlays.default ]; })
+          agenix.nixosModules.default
+          ./nix/hosts/clawdinator-1-image.nix
+        ];
+      };
     };
 }

nix/hosts/clawdinator-1-image.nix

@@ -1,11 +1,7 @@
-{ modulesPath, config, ... }:
-let
-  agenix = builtins.fetchTarball "https://github.com/ryantm/agenix/archive/refs/tags/0.15.0.tar.gz";
-in {
+{ modulesPath, config, ... }: {
   imports = [
     (modulesPath + "/virtualisation/ec2-data.nix")
     (modulesPath + "/virtualisation/amazon-init.nix")
-    "${agenix}/modules/age.nix"
     ../modules/clawdinator.nix
     ./clawdinator-1-common.nix
   ];

scripts/build-image.sh

@@ -1,15 +1,15 @@
 #!/usr/bin/env bash
 set -euo pipefail
 
-config_path="${CONFIG_PATH:-nix/hosts/clawdinator-1-image.nix}"
 out_dir="${OUT_DIR:-dist}"
 format="${IMAGE_FORMAT:-raw}"
+flake_ref=".#clawdinator-1-image"
 
 if [ -e "${out_dir}" ]; then
   rm -rf "${out_dir}"
 fi
 
-nix run github:nix-community/nixos-generators -- -f "${format}" -c "${config_path}" -o "${out_dir}"
+nix run github:nix-community/nixos-generators -- --flake "${flake_ref}" -f "${format}" -o "${out_dir}"
 
 out_real="${out_dir}"
 if [ -L "${out_dir}" ]; then