From abb2b8a5f90fb88fbf483c8188c1bd67d0c28225 Mon Sep 17 00:00:00 2001
From: h7x4 <h7x4@nani.wtf>
Date: Fri, 22 Aug 2025 18:43:45 +0200
Subject: [PATCH] module.nix: init

---
 flake.nix  |   6 ++++
 module.nix | 101 +++++++++++++++++++++++++++++++++++++++++++++++++++++
 2 files changed, 107 insertions(+)
 create mode 100644 module.nix

diff --git a/flake.nix b/flake.nix
index 056575b..5c233ac 100644
--- a/flake.nix
+++ b/flake.nix
@@ -25,6 +25,12 @@
       };
     });
 
+    overlays.default = final: prev: {
+      inherit (self.packages.${final.system}) mclog2psql;
+    };
+
+    nixosModules.default = ./module.nix;
+
     packages = forAllSystems (system: pkgs: {
       default = self.packages.${system}.mclog2psql;
       mclog2psql = pkgs.writers.writePython3Bin "mclog2psql" {
diff --git a/module.nix b/module.nix
new file mode 100644
index 0000000..19e6ecd
--- /dev/null
+++ b/module.nix
@@ -0,0 +1,101 @@
+{ config, lib, pkgs, ... }:
+let
+  cfg = config.services.minecraft-heatmap;
+in
+{
+  options.services.minecraft-heatmap = {
+    enable = lib.mkEnableOption "";
+
+    mclog2psqlPackage = lib.mkPackageOption pkgs "mclog2psql" { };
+
+    onCalendar = lib.mkOption {
+      type = lib.types.str;
+      default = "05:00:00";
+      description = "Systemd timer OnCalendar setting for the Minecraft Heatmap log ingester.";
+    };
+
+    minecraftLogsDir = lib.mkOption {
+      type = lib.types.path;
+      default = "/var/cache/minecraft-heatmap/logs";
+      description = "Directory containing Minecraft server log files to be ingested.";
+    };
+
+    database = {
+      host = lib.mkOption {
+        type = lib.types.str;
+        default = "localhost";
+        description = "Database host for Minecraft Heatmap.";
+      };
+
+      port = lib.mkOption {
+        type = lib.types.port;
+        default = 5432;
+        description = "Database port for Minecraft Heatmap.";
+      };
+
+      name = lib.mkOption {
+        type = lib.types.str;
+        default = "minecraft_heatmap";
+        description = "Database name for Minecraft Heatmap.";
+      };
+
+      user = lib.mkOption {
+        type = lib.types.str;
+        default = "minecraft_heatmap";
+        description = "Database user for Minecraft Heatmap.";
+      };
+
+      passwordFile = lib.mkOption {
+        type = with lib.types; nullOr path;
+        default = null;
+        description = "Path to the file containing the database password for Minecraft Heatmap.";
+      };
+    };
+  };
+
+  config = lib.mkIf cfg.enable {
+    systemd.services.minecraft-heatmap-ingest-logs = {
+      description = "Minecraft Heatmap log ingester service";
+      environment = {
+        MINECRAFT_HEATMAP_DIR = cfg.minecraftLogsDir;
+        MINECRAFT_HEATMAP_DB_HOST = cfg.database.host;
+        MINECRAFT_HEATMAP_DB_PORT = toString cfg.database.port;
+        MINECRAFT_HEATMAP_DB_NAME = cfg.database.name;
+        MINECRAFT_HEATMAP_DB_USER = cfg.database.user;
+        MINECRAFT_HEATMAP_DB_PASSWORD_FILE = lib.optionalString (cfg.database.passwordFile != null) "%d/minecraft-heatmap-db-password";
+      };
+
+      serviceConfig = {
+        Type = "oneshot";
+        ExecStart = "${cfg.mclog2psqlPackage}/bin/mclog2psql";
+        Restart = "on-failure";
+        RestartSec = "5s";
+
+        User = "minecraft-heatmap";
+        Group = "minecraft-heatmap";
+        DynamicUser = true;
+
+        LoadCredential = lib.mkIf (cfg.database.passwordFile != null) [
+          "minecraft-heatmap-db-password:${cfg.database.passwordFile}"
+        ];
+
+        CacheDirectory = "minecraft-heatmap";
+        CacheDirectoryMode = "0700";
+      };
+    };
+
+    systemd.timers.minecraft-heatmap-ingest-logs = {
+      description = "Minecraft Heatmap log ingester timer";
+      wantedBy = [ "timers.target" ];
+      timerConfig = {
+        OnCalendar = cfg.onCalendar;
+        Persistent = true;
+        RandomizedDelaySec = "1h";
+      };
+    };
+
+    # systemd.sockets.minecraft-heatmap-rest-endpoint = {};
+
+    # systemd.sockets.minecraft-heatmap-rest-endpoint = {};
+  };
+}