WIP

configuration/devices/headless/raspberry-pi-4/ulquiorra/print-server.nix

@@ -1,24 +1,35 @@
-{ pkgs, ... }: {
-  hardware.printers.ensurePrinters = [{
-    name = "Default";
-
-    # lpinfo -v
-    deviceUri = "hp:/usb/ENVY_4500_series?serial=CN4CS2325205X4";
-
-    # lpinfo -m
-    model = "HP/hp-envy_4500_series.ppd.gz";
-
-    # lpoptions -p Default -l
-    ppdOptions = {
-      ColorModel = "KGray";
-      Duplex = "None";
-      InputSlot = "Auto";
-      MediaType = "Plain";
-      OptionDuplex = "False";
-      OutputMode = "Normal";
-      PageSize = "A4";
+{ pkgs, config, ... }: {
+  # Required for sane
+  boot.kernelModules = [ "sg" "usblp" ];
+
+  hardware = {
+    printers.ensurePrinters = [{
+      name = "Default";
+
+      # lpinfo -v
+      deviceUri = "hp:/usb/ENVY_4500_series?serial=CN4CS2325205X4";
+
+      # lpinfo -m
+      model = "HP/hp-envy_4500_series.ppd.gz";
+
+      # lpoptions -p Default -l
+      ppdOptions = {
+        ColorModel = "KGray";
+        Duplex = "None";
+        InputSlot = "Auto";
+        MediaType = "Plain";
+        OptionDuplex = "False";
+        OutputMode = "Normal";
+        PageSize = "A4";
+      };
+    }];
+
+    sane = {
+      enable = true;
+
+      extraBackends = [ pkgs.hplipWithPlugin ];
     };
-  }];
+  };
 
   services = {
     # lsusb
@@ -48,6 +59,15 @@
       '';
     };
 
+    saned.enable = true;
+
+    scanservjs = {
+      enable = true;
+
+      # TODO remove
+      settings.host = "0.0.0.0";
+    };
+
     avahi = {
       enable = true;
 
@@ -62,4 +82,7 @@
       };
     };
   };
+
+  # TODO remove use nginx
+  networking.firewall.allowedTCPPorts = [ config.services.scanservjs.settings.port ];
 }

modules/default/scanservjs.nix

@@ -0,0 +1,18 @@
+# TODO remove when merged https://nixpk.gs/pr-tracker.html?pr=249806
+
+let
+  src = let
+    owner = "NixOS";
+    repo = "nixpkgs";
+    rev = "c861052eab51de685f2286ce75d6e67395f6eae5";
+    sha256 = "sha256:1j3drcp4mizf90dcpvnfajx1b49m8ijfq7w6a53kyfgx22r1x51i";
+  in builtins.fetchTarball {
+    name = "nixpkgs";
+    url = "https://github.com/${owner}/${repo}/archive/${rev}.tar.gz";
+    inherit sha256;
+  };
+in {
+  imports = [ "${src}/nixos/modules/services/hardware/scanservjs.nix" ];
+
+  nixpkgs.overlays = [ (_: super: { scanservjs = super.callPackage "${src}/pkgs/applications/graphics/scanservjs/default.nix" { }; }) ];
+}

modules/profiles/printing.nix

@@ -26,6 +26,4 @@
       nssmdns6 = true;
     };
   };
-
-  environment.systemPackages = [ pkgs.simple-scan ];
 }