From 09a49354b6dab9ea9807359ec3f7434b54730eab Mon Sep 17 00:00:00 2001
From: Elis Hirwing <elis@hirwing.se>
Date: Sun, 18 Jul 2021 08:49:36 +0200
Subject: [PATCH] nixos/hockeypuck: Add service for hockeypuck

---
 .../from_md/release-notes/rl-2111.section.xml |   7 ++
 .../manual/release-notes/rl-2111.section.md   |   2 +
 nixos/modules/module-list.nix                 |   1 +
 .../modules/services/security/hockeypuck.nix  | 104 ++++++++++++++++++
 4 files changed, 114 insertions(+)
 create mode 100644 nixos/modules/services/security/hockeypuck.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 7ebf6c0187a..5b5f8514861 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
@@ -92,6 +92,13 @@
           <link linkend="opt-snapraid.enable">snapraid</link>.
         </para>
       </listitem>
+      <listitem>
+        <para>
+          <link xlink:href="https://github.com/hockeypuck/hockeypuck">Hockeypuck</link>,
+          a OpenPGP Key Server. Available as
+          <link linkend="opt-services.hockeypuck.enable">services.hockeypuck</link>.
+        </para>
+      </listitem>
     </itemizedlist>
   </section>
   <section xml:id="sec-release-21.11-incompatibilities">
diff --git a/nixos/doc/manual/release-notes/rl-2111.section.md b/nixos/doc/manual/release-notes/rl-2111.section.md
index a0ca0ca3d0e..c1e2dadd640 100644
--- a/nixos/doc/manual/release-notes/rl-2111.section.md
+++ b/nixos/doc/manual/release-notes/rl-2111.section.md
@@ -28,6 +28,8 @@ In addition to numerous new and upgraded packages, this release has the followin
 - [snapraid](https://www.snapraid.it/), a backup program for disk arrays.
   Available as [snapraid](#opt-snapraid.enable).
 
+- [Hockeypuck](https://github.com/hockeypuck/hockeypuck), a OpenPGP Key Server. Available as [services.hockeypuck](#opt-services.hockeypuck.enable).
+
 
 ## Backward Incompatibilities {#sec-release-21.11-incompatibilities}
 
diff --git a/nixos/modules/module-list.nix b/nixos/modules/module-list.nix
index ad1bccd5428..13463359a66 100644
--- a/nixos/modules/module-list.nix
+++ b/nixos/modules/module-list.nix
@@ -886,6 +886,7 @@
   ./services/security/fprot.nix
   ./services/security/haka.nix
   ./services/security/haveged.nix
+  ./services/security/hockeypuck.nix
   ./services/security/hologram-server.nix
   ./services/security/hologram-agent.nix
   ./services/security/munge.nix
diff --git a/nixos/modules/services/security/hockeypuck.nix b/nixos/modules/services/security/hockeypuck.nix
new file mode 100644
index 00000000000..686634c8add
--- /dev/null
+++ b/nixos/modules/services/security/hockeypuck.nix
@@ -0,0 +1,104 @@
+{ config, lib, pkgs, ... }:
+
+let
+  cfg = config.services.hockeypuck;
+  settingsFormat = pkgs.formats.toml { };
+in {
+  meta.maintainers = with lib.maintainers; [ etu ];
+
+  options.services.hockeypuck = {
+    enable = lib.mkEnableOption "Hockeypuck OpenPGP Key Server";
+
+    port = lib.mkOption {
+      default = 11371;
+      type = lib.types.port;
+      description = "HKP port to listen on.";
+    };
+
+    settings = lib.mkOption {
+      type = settingsFormat.type;
+      default = { };
+      example = lib.literalExample ''
+        {
+          hockeypuck = {
+            loglevel = "INFO";
+            logfile = "/var/log/hockeypuck/hockeypuck.log";
+            indexTemplate = "''${pkgs.hockeypuck-web}/share/templates/index.html.tmpl";
+            vindexTemplate = "''${pkgs.hockeypuck-web}/share/templates/index.html.tmpl";
+            statsTemplate = "''${pkgs.hockeypuck-web}/share/templates/stats.html.tmpl";
+            webroot = "''${pkgs.hockeypuck-web}/share/webroot";
+
+            hkp.bind = ":''${toString cfg.port}";
+
+            openpgp.db = {
+              driver = "postgres-jsonb";
+              dsn = "database=hockeypuck host=/var/run/postgresql sslmode=disable";
+            };
+          };
+        }
+      '';
+      description = ''
+        Configuration file for hockeypuck, here you can override
+        certain settings (<literal>loglevel</literal> and
+        <literal>openpgp.db.dsn</literal>) by just setting those values.
+
+        For other settings you need to use lib.mkForce to override them.
+
+        This service doesn't provision or enable postgres on your
+        system, it rather assumes that you enable postgres and create
+        the database yourself.
+
+        Example:
+        <literal>
+          services.postgresql = {
+            enable = true;
+            ensureDatabases = [ "hockeypuck" ];
+            ensureUsers = [{
+              name = "hockeypuck";
+              ensurePermissions."DATABASE hockeypuck" = "ALL PRIVILEGES";
+            }];
+          };
+        </literal>
+      '';
+    };
+  };
+
+  config = lib.mkIf cfg.enable {
+    services.hockeypuck.settings.hockeypuck = {
+      loglevel = lib.mkDefault "INFO";
+      logfile = "/var/log/hockeypuck/hockeypuck.log";
+      indexTemplate = "${pkgs.hockeypuck-web}/share/templates/index.html.tmpl";
+      vindexTemplate = "${pkgs.hockeypuck-web}/share/templates/index.html.tmpl";
+      statsTemplate = "${pkgs.hockeypuck-web}/share/templates/stats.html.tmpl";
+      webroot = "${pkgs.hockeypuck-web}/share/webroot";
+
+      hkp.bind = ":${toString cfg.port}";
+
+      openpgp.db = {
+        driver = "postgres-jsonb";
+        dsn = lib.mkDefault "database=hockeypuck host=/var/run/postgresql sslmode=disable";
+      };
+    };
+
+    users.users.hockeypuck = {
+      isSystemUser = true;
+      description = "Hockeypuck user";
+    };
+
+    systemd.services.hockeypuck = {
+      description = "Hockeypuck OpenPGP Key Server";
+      after = [ "network.target" "postgresql.target" ];
+      wantedBy = [ "multi-user.target" ];
+      serviceConfig = {
+        WorkingDirectory = "/var/lib/hockeypuck";
+        User = "hockeypuck";
+        ExecStart = "${pkgs.hockeypuck}/bin/hockeypuck -config ${settingsFormat.generate "config.toml" cfg.settings}";
+        Restart = "always";
+        RestartSec = "5s";
+        LogsDirectory = "hockeypuck";
+        LogsDirectoryMode = "0755";
+        StateDirectory = "hockeypuck";
+      };
+    };
+  };
+}