cups: Declaratively add printers

modules/cups.nix

@@ -1,5 +1,7 @@
-{ pkgs, ... }:
-
+{ lib, pkgs, ... }:
+let
+  gutenprintWithVersion = "gutenprint.${lib.versions.majorMinor (lib.getVersion pkgs.gutenprint)}";
+in
 {
   services = {
     printing = {
@@ -10,4 +12,28 @@
     };
     avahi.enable = true;
   };
+
+  hardware.printers.ensurePrinters = [
+    {
+      name = "kanna";
+      deviceUri = "socket://kanna.home.sbruder.de";
+      model = "${gutenprintWithVersion}://kyocera-fs-c5200dn/expert";
+      ppdOptions = {
+        PageSize = "A4";
+      };
+    }
+    {
+      name = "tintenpisser";
+      deviceUri = "ipp://tintenpisser.home.sbruder.de:631/ipp/print";
+      model = "everywhere";
+      ppdOptions = {
+        PageSize = "A4";
+      };
+    }
+    {
+      name = "ich_drucke_nicht";
+      deviceUri = "socket://192.168.178.26";
+      model = "${gutenprintWithVersion}://bjc-TS3100-series/expert";
+    }
+  ];
 }