From df662f7307429cc5aa31e1ef139d0173178419c2 Mon Sep 17 00:00:00 2001
From: Toast <toast003@tutamail.com>
Date: Wed, 18 Oct 2023 22:52:41 +0200
Subject: [PATCH] Server: add minecraft server with anything-sync-daemon

---
 roles/server/default.nix   |   1 +
 roles/server/minecraft.nix | 111 +++++++++++++++++++++++++++++++++++++
 2 files changed, 112 insertions(+)
 create mode 100644 roles/server/minecraft.nix

diff --git a/roles/server/default.nix b/roles/server/default.nix
index e75390f..075c012 100755
--- a/roles/server/default.nix
+++ b/roles/server/default.nix
@@ -15,5 +15,6 @@
 		./wireguard.nix
 		./tailscale.nix
 		./traefik.nix
+		./minecraft.nix
 	];
 }
diff --git a/roles/server/minecraft.nix b/roles/server/minecraft.nix
new file mode 100644
index 0000000..9adea0e
--- /dev/null
+++ b/roles/server/minecraft.nix
@@ -0,0 +1,111 @@
+{ config, pkgs, flakeSelf, ... }:
+let
+	atfc = builtins.fetchurl {
+		url = "https://www.curseforge.com/api/v1/mods/813246/files/4732590/download";
+		sha256 = "0yl6ixmhfgqvcj3kfshpf8fy42vkkmjbn7d7yg86jx0ykiiq5f9x";
+	};
+	puffish_skills = builtins.fetchurl {
+		url = "https://www.curseforge.com/api/v1/mods/835091/files/4747353/download";
+		sha256 = "0yl6ixmhfgqvcj3kfshpf8fy32vkkmjbn7d7yg86jx0ykiiq5f9x";
+	};
+	spark = builtins.fetchurl {
+		url = "https://www.curseforge.com/api/v1/mods/361579/files/4505375/download";
+		sha256 = "1708lrx1nif0mvf7ambw8504j12wbn0vm69wsh21p8ylqpql1s4x";
+	};
+	
+	port = 25565;
+	users = config.users;
+in
+{
+	users = {
+		groups.minecraft = {
+			members = [ "toast" ];
+			gid = 987;
+		};
+		users.atfc = {
+			isSystemUser = true;
+			uid = 988;
+			group = "minecraft";
+			home = "/var/lib/minecraft/atfc";
+			homeMode = "750";
+			createHome = true;
+		};
+	};
+	
+	virtualisation.oci-containers = {
+		containers."minecraft-atfc" = {
+			autoStart = true;
+			image = "itzg/minecraft-server";
+			#user = "${toString users.users.atfc.uid}:${toString users.groups.minecraft.gid}";
+			environment = {
+				TZ = "Europe/Madrid";
+				EULA = "true";
+				TYPE = "forge";
+				MEMORY = "2G";
+				UID = toString users.users.atfc.uid;
+				GID = toString users.groups.minecraft.gid;
+				VERSION = "1.18.2";
+				FORGE_VERSION = "40.2.10";
+				GENERIC_PACK = "/modpack.zip";
+				#USE_AIKAR_FLAGS = "true";
+				
+				#STOP_DURATION = "70";
+				STOP_SERVER_ANNOUNCE_DELAY = "20";
+
+				# server.properties
+				MOTD = "Toast's modded minecraft server";
+				DIFFICULTY = "hard";
+				SNOOPER_ENABLED = "false";
+				SPAWN_PROTECTION = "0";
+				LEVEL_TYPE = "tfc:tng";
+				BROADCAST_CONSOLE_TO_OPS = "true";
+				BROADCAST_RCON_TO_OPS = "true";
+				
+				OPS = "b3ca4afb-a3da-4a78-85c3-2292fd0787e2,0cb3d02a-1d1f-4d7f-b70c-bd53dc155cff";
+				EXISTING_OPS_FILE = "synchronize";
+
+				WHITELIST = "b3ca4afb-a3da-4a78-85c3-2292fd0787e2,0cb3d02a-1d1f-4d7f-b70c-bd53dc155cff,03f080e8-ce8e-4b90-a312-734747ce7db0,ea88f690-cf46-4416-bfd5-6f6b165885f7";
+				EXISTING_WHITELIST_FILE = "synchronize";
+
+				# Auto pause needs this
+				MAX_TICK_TIME = "-1";
+				AUTOPAUSE_KNOCK_INTERFACE = "tap0";
+				ENABLE_AUTOPAUSE = "true";
+			};
+			extraOptions = [
+			 "--network=slirp4netns:port_handler=slirp4netns"
+			 "--cap-add=CAP_NET_RAW"
+			];
+			
+			volumes = [
+				"${atfc}:/modpack.zip"
+				"${puffish_skills}:/mods/puffish_skills.jar"
+				"${spark}:/mods/spark.jar"
+				"${users.users.atfc.home}:/data"
+				#"/tmp/minecraft:/data"
+			];
+			ports = [ "25565:${toString port}" ];
+		};
+	};
+	
+	networking.firewall.allowedTCPPorts = [ port ];
+
+	# anything-sync-daemon config
+	systemd.packages = with pkgs; [ flakeSelf.packages.x86_64-linux.anything-sync-daemon ];
+	environment.systemPackages = with pkgs; [ flakeSelf.packages.x86_64-linux.anything-sync-daemon ];
+	fileSystems.minecraftTmpfs = {
+		device = "none";
+		fsType = "tmpfs";
+		mountPoint = "/mnt/minecraftTmpfs";
+		options = [ "size=4G "];
+	};
+	environment.etc."asd.conf".text =
+''WHATTOSYNC=('/var/lib/minecraft')
+VOLATILE="${config.fileSystems.minecraftTmpfs.mountPoint}"
+USE_OVERLAYFS="yes" '';
+	systemd.services.asd = {
+		wantedBy = [ "podman-minecraft-atfc.service" ];
+		before = [ "podman-minecraft-atfc.service" ];
+	};
+	
+}