[faunus-ater] Prepare printing server setup

hosts/faunus-ater.nix

@@ -26,6 +26,7 @@ in {
 
   # === Settings ===
   settings.ssh.openOutsideVPN = true;
+  settings.printing.enable = true;
 
   # === ZFS services ===
   services.zfs.trim.enable = true;
@@ -40,6 +41,33 @@ in {
     cpuFreqGovernor = "powersave";
   };
 
+  # === Extend printing settings because sharing is caring ===
+  services.printing = {
+    listenAddresses = ["*:631"];
+    allowFrom = [ "all" "@IF(${vpnInterface})" ];
+    defaultShared = true;
+    browsing = true;
+    logLevel = "debug";
+  };
+  networking.firewall.interfaces.${vpnInterface} = {
+    allowedUDPPorts = [631];
+    allowedTCPPorts = [631];
+  };
+  hardware.printers = {
+    ensureDefaultPrinter = "Local";
+    ensurePrinters = lib.singleton {
+      description = "The fastest Boi in town!";
+      deviceUri = "usb://Samsung/ML-1640%20Series?serial=144QBAHS600499T.";
+      location = "@Home";
+      model = "samsung/ML-1640.ppd";
+      name = "Local";
+      ppdOptions = {
+        PageSize = "A4";
+        Resolution = "600dpi";
+      };
+    };
+  };
+
   virtualisation.oci-containers.backend = "podman";
   virtualisation.podman = {
     enable = true;

modules/base-system.nix

@@ -167,7 +167,7 @@ in {
       drivers = [pkgs.samsung-unified-linux-driver];
     };
     hardware.printers = lib.mkIf cfg.printing.enable {
-      ensureDefaultPrinter = "Laser-Boi";
+      ensureDefaultPrinter = mkDefault "Laser-Boi";
       ensurePrinters = lib.singleton {
         description = "The fastest Boi in town!";
         deviceUri = "usb://Samsung/ML-1640%20Series?serial=144QBAHS600499T.";