From c8e344196154514112c938f2814e809b1ca82da1 Mon Sep 17 00:00:00 2001
From: Van Tuan Vo <mail@tuan-vo.de>
Date: Sat, 21 Aug 2021 22:51:01 +0200
Subject: [PATCH] nixos/fluidd: init fluidd service at 1.16.2

---
 .../from_md/release-notes/rl-2111.section.xml | 10 +++
 .../manual/release-notes/rl-2111.section.md   |  2 +
 nixos/modules/module-list.nix                 |  1 +
 nixos/modules/services/web-apps/fluidd.nix    | 64 +++++++++++++++++++
 nixos/tests/all-tests.nix                     |  1 +
 nixos/tests/fluidd.nix                        | 21 ++++++
 6 files changed, 99 insertions(+)
 create mode 100644 nixos/modules/services/web-apps/fluidd.nix
 create mode 100644 nixos/tests/fluidd.nix

diff --git a/nixos/doc/manual/from_md/release-notes/rl-2111.section.xml b/nixos/doc/manual/from_md/release-notes/rl-2111.section.xml
index 58e0953e7de2..a138d4c8780c 100644
--- a/nixos/doc/manual/from_md/release-notes/rl-2111.section.xml
+++ b/nixos/doc/manual/from_md/release-notes/rl-2111.section.xml
@@ -182,6 +182,16 @@
         </para>
       </listitem>
     </itemizedlist>
+    <itemizedlist spacing="compact">
+      <listitem>
+        <para>
+          <link xlink:href="https://docs.fluidd.xyz/">fluidd</link>, a
+          Klipper web interface for managing 3d printers using
+          moonraker. Available as
+          <link linkend="opt-services.fluidd.enable">fluidd</link>.
+        </para>
+      </listitem>
+    </itemizedlist>
   </section>
   <section xml:id="sec-release-21.11-incompatibilities">
     <title>Backward Incompatibilities</title>
diff --git a/nixos/doc/manual/release-notes/rl-2111.section.md b/nixos/doc/manual/release-notes/rl-2111.section.md
index 33955e0437e1..35d65dc43cf3 100644
--- a/nixos/doc/manual/release-notes/rl-2111.section.md
+++ b/nixos/doc/manual/release-notes/rl-2111.section.md
@@ -56,6 +56,8 @@ pt-services.clipcat.enable).
 * [navidrome](https://www.navidrome.org/), a personal music streaming server with
 subsonic-compatible api. Available as [navidrome](#opt-services.navidrome.enable).
 
+- [fluidd](https://docs.fluidd.xyz/), a Klipper web interface for managing 3d printers using moonraker. Available as [fluidd](#opt-services.fluidd.enable).
+
 ## Backward Incompatibilities {#sec-release-21.11-incompatibilities}
 
 - The `paperless` module and package have been removed. All users should migrate to the
diff --git a/nixos/modules/module-list.nix b/nixos/modules/module-list.nix
index 931b9d039ab7..2473bf2f55fb 100644
--- a/nixos/modules/module-list.nix
+++ b/nixos/modules/module-list.nix
@@ -953,6 +953,7 @@
   ./services/web-apps/documize.nix
   ./services/web-apps/dokuwiki.nix
   ./services/web-apps/engelsystem.nix
+  ./services/web-apps/fluidd.nix
   ./services/web-apps/galene.nix
   ./services/web-apps/gerrit.nix
   ./services/web-apps/gotify-server.nix
diff --git a/nixos/modules/services/web-apps/fluidd.nix b/nixos/modules/services/web-apps/fluidd.nix
new file mode 100644
index 000000000000..c632b8ff7199
--- /dev/null
+++ b/nixos/modules/services/web-apps/fluidd.nix
@@ -0,0 +1,64 @@
+{ config, lib, pkgs, ... }:
+with lib;
+let
+  cfg = config.services.fluidd;
+  moonraker = config.services.moonraker;
+in
+{
+  options.services.fluidd = {
+    enable = mkEnableOption "Fluidd, a Klipper web interface for managing your 3d printer";
+
+    package = mkOption {
+      type = types.package;
+      description = "Fluidd package to be used in the module";
+      default = pkgs.fluidd;
+      defaultText = "pkgs.fluidd";
+    };
+
+    hostName = mkOption {
+      type = types.str;
+      default = "localhost";
+      description = "Hostname to serve fluidd on";
+    };
+
+    nginx = mkOption {
+      type = types.submodule
+        (import ../web-servers/nginx/vhost-options.nix { inherit config lib; });
+      default = { };
+      example = {
+        serverAliases = [ "fluidd.\${config.networking.domain}" ];
+      };
+      description = "Extra configuration for the nginx virtual host of fluidd.";
+    };
+  };
+
+  config = mkIf cfg.enable {
+    services.nginx = {
+      enable = true;
+      upstreams.fluidd-apiserver.servers."${moonraker.address}:${toString moonraker.port}" = { };
+      virtualHosts."${cfg.hostName}" = mkMerge [
+        cfg.nginx
+        {
+          root = mkForce "${cfg.package}/share/fluidd/htdocs";
+          locations = {
+            "/" = {
+              index = "index.html";
+              tryFiles = "$uri $uri/ /index.html";
+            };
+            "/index.html".extraConfig = ''
+              add_header Cache-Control "no-store, no-cache, must-revalidate";
+            '';
+            "/websocket" = {
+              proxyWebsockets = true;
+              proxyPass = "http://fluidd-apiserver/websocket";
+            };
+            "~ ^/(printer|api|access|machine|server)/" = {
+              proxyWebsockets = true;
+              proxyPass = "http://fluidd-apiserver$request_uri";
+            };
+          };
+        }
+      ];
+    };
+  };
+}
diff --git a/nixos/tests/all-tests.nix b/nixos/tests/all-tests.nix
index d17904c776e7..314c031bb3d4 100644
--- a/nixos/tests/all-tests.nix
+++ b/nixos/tests/all-tests.nix
@@ -136,6 +136,7 @@ in
   fish = handleTest ./fish.nix {};
   flannel = handleTestOn ["x86_64-linux"] ./flannel.nix {};
   fluentd = handleTest ./fluentd.nix {};
+  fluidd = handleTest ./fluidd.nix {};
   fontconfig-default-fonts = handleTest ./fontconfig-default-fonts.nix {};
   freeswitch = handleTest ./freeswitch.nix {};
   fsck = handleTest ./fsck.nix {};
diff --git a/nixos/tests/fluidd.nix b/nixos/tests/fluidd.nix
new file mode 100644
index 000000000000..f49a4110d714
--- /dev/null
+++ b/nixos/tests/fluidd.nix
@@ -0,0 +1,21 @@
+import ./make-test-python.nix ({ lib, ... }:
+
+with lib;
+
+{
+  name = "fluidd";
+  meta.maintainers = with maintainers; [ vtuan10 ];
+
+  nodes.machine = { pkgs, ... }: {
+    services.fluidd = {
+      enable = true;
+    };
+  };
+
+  testScript = ''
+    machine.start()
+    machine.wait_for_unit("nginx.service")
+    machine.wait_for_open_port(80)
+    machine.succeed("curl -sSfL http://localhost/ | grep 'fluidd'")
+  '';
+})