WIP: Proxmox LXC config.

Includes some refactoring for tailscale and impermanence.

flake.nix

@@ -17,6 +17,10 @@
       url = "github:nix-community/nix-index-database";
       inputs.nixpkgs.follows = "nixpkgs";
     };
+    nixos-generators = {
+      url = "github:nix-community/nixos-generators";
+      inputs.nixpkgs.follows = "nixpkgs";
+    };
     nixvim = {
       url = "github:nix-community/nixvim";
       inputs.nixpkgs.follows = "nixpkgs-unstable";
@@ -38,6 +42,8 @@
       disko,
       home-manager,
       sops-nix,
+      nixos-generators,
+      impermanence,
       ...
     }@inputs:
     let
@@ -59,6 +65,7 @@
             )
             disko.nixosModules.disko
             sops-nix.nixosModules.sops
+            impermanence.nixosModules.impermanence
             home-manager.nixosModules.home-manager
             {
               home-manager = {
@@ -166,6 +173,21 @@
         };
       };
 
+      packages.x86_64-linux = {
+        kopia-lxc = nixos-generators.nixosGenerate {
+          system = "x86_64-linux";
+          format = "proxmox-lxc";
+          modules = [
+            sops-nix.nixosModules.sops
+            impermanence.nixosModules.impermanence
+            ./hosts/kopia-lxc
+          ];
+          specialArgs = {
+            inherit inputs self;
+          };
+        };
+      };
+
       checks = builtins.mapAttrs (system: deployLib: deployLib.deployChecks self.deploy) deploy-rs.lib;
 
       formatter.x86_64-linux = nixpkgs.legacyPackages.x86_64-linux.nixfmt-rfc-style;