print server for merlin

hosts/common/optional/print-server.nix

@@ -0,0 +1,46 @@
+{pkgs, ...}: {
+  networking.firewall = {
+    allowedTCPPorts = [631];
+    allowedUDPPorts = [631];
+  };
+
+  services = {
+    printing = {
+      enable = true;
+      drivers = [pkgs.hplip];
+      browsing = true;
+      defaultShared = true;
+      listenAddresses = ["*:631"];
+      allowFrom = ["all"];
+      extraConf = ''
+        DefaultPaperSize A4
+      '';
+    };
+
+    avahi = {
+      enable = true;
+      nssmdns = true;
+      openFirewall = true;
+      publish = {
+        enable = true;
+        userServices = true;
+      };
+    };
+  };
+
+  hardware.printers = {
+    ensurePrinters = [
+      {
+        name = "HP_Envy_6000";
+        location = "Home";
+        deviceUri = "usb://HP/ENVY%206000%20series?serial=TH0B93F08W&interface=1";
+        # deviceUri = "usb://Dell/1250c%20Color%20Printer?serial=YNP023240";
+        model = "HP/hp-deskjet_plus_6000_series.ppd.gz";
+        ppdOptions = {
+          PageSize = "A4";
+        };
+      }
+    ];
+    ensureDefaultPrinter = "HP_Envy_6000";
+  };
+}

hosts/common/optional/printing.nix

@@ -29,7 +29,7 @@ in {
         {
           name = "HP_ENVY_6000";
           description = "Network printer hosted on bob";
-          location = "bob";
+          location = "home";
           deviceUri = "ipp://bob/printers/HP_ENVY_6000_series";
           model = "everywhere";
           ppdOptions = {

hosts/merlin/default.nix

@@ -48,6 +48,7 @@ in {
     ../common/optional/docker.nix
     ../common/optional/nix-ld.nix
     ../common/optional/fileserver/nfs-server/homeshare.nix
+    ../common/optional/print-server.nix
 
     # Nixos containers
     ../common/optional/nixos-containers/docker.nix

modules/nixos/nixosAutoUpgrade.nix

@@ -28,6 +28,7 @@ in
       remote = lib.mkOption {
         type = lib.types.str;
         description = "Attempts build on remote host <user@host>.";
+        default = "";
       };
       onCalendar = lib.mkOption {
         default = "daily";