experiment: incorporate pi-hole PR

reference: https://astrid.tech/2022/11/03/0/overlay-nixpkgs-pr/

flake.lock

@@ -153,6 +153,22 @@
         "type": "github"
       }
     },
+    "nixpkgs-pihole": {
+      "locked": {
+        "lastModified": 1694715338,
+        "narHash": "sha256-aGc2gWI2jCHVJ4UnNboLPsDlooI3SVybpAiReIFCzto=",
+        "owner": "williamvds",
+        "repo": "nixpkgs",
+        "rev": "8edae633ed17bb48dc834fbccc992844463c4999",
+        "type": "github"
+      },
+      "original": {
+        "owner": "williamvds",
+        "ref": "add_pihole",
+        "repo": "nixpkgs",
+        "type": "github"
+      }
+    },
     "nixpkgs_2": {
       "locked": {
         "lastModified": 1694767346,
@@ -175,7 +191,8 @@
         "deploy-rs": "deploy-rs",
         "home-manager": "home-manager_2",
         "nixos-hardware": "nixos-hardware",
-        "nixpkgs": "nixpkgs_2"
+        "nixpkgs": "nixpkgs_2",
+        "nixpkgs-pihole": "nixpkgs-pihole"
       }
     },
     "utils": {

flake.nix

@@ -15,6 +15,8 @@
     };
     nixos-hardware.url = "github:NixOS/nixos-hardware/master";
     deploy-rs.url = "github:serokell/deploy-rs";
+
+    nixpkgs-pihole.url = "github:williamvds/nixpkgs/add_pihole";
   };
 
   outputs =
@@ -24,6 +26,7 @@
     , agenix
     , nixos-hardware
     , deploy-rs
+    , nixpkgs-pihole
     , ...
     }:
     let
@@ -35,6 +38,11 @@
       ];
     in
     {
+      overlay = final: prev: {
+        inherit (nixpkgs-pihole.legacyPackages.${prev.system})
+          pihole pihole-ftl pihole-adminlte;
+      };
+
       nixosConfigurations = {
 
         # The Workhorse: WSL2 edition
@@ -73,6 +81,10 @@
           system = "aarch64-linux";
           modules = common-modules ++ [
 
+            { nixpkgs.overlays = [ self.overlay ]; }
+            "${nixpkgs-pihole}/nixos/modules/services/networking/pihole-ftl.nix"
+            "${nixpkgs-pihole}/nixos/modules/services/web-apps/pihole-adminlte.nix"
+
             # Modules and module config
             ./modules/mail.nix
             ./modules/monitoring/monitoring.nix