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NixOS/hosts/greatyamada/services/minecraft/default.nix
2025-06-28 00:09:06 +02:00

116 lines
4.9 KiB
Nix

{ config, lib, pkgs, inputs, ... }:
let
serverIcon = ./server-icon.png;
players = import ./players.nix;
ports = import ../_port-definitions.nix;
packageNameToHumanString = packageName:
(let
getSections = packageName:
# Probably only matches Fabric servers, change as needed
builtins.match
"^minecraft-server-([0-9a-zA-Z.]*)-([a-zA-Z-]*)-([0-9a-zA-Z.]*)$"
packageName;
sections = (getSections packageName);
getSection = idx:
if sections == null then "Unknown" else builtins.elemAt sections idx;
in "Minecraft ${getSection 0} with ${
lib.strings.toSentenceCase (getSection 1)
} ${getSection 2}");
playersToOps = players:
map (player: {
name = player.name;
uuid = player.uuid;
level = 4;
bypassesPlayerLimit = true;
}) players;
in {
environment.systemPackages = with pkgs; [ mcrcon ];
networking.firewall.allowedTCPPorts = with ports.tcp; [ minecraft ];
nixpkgs.overlays = [ inputs.nix-minecraft.overlay ];
services.minecraft-servers = {
enable = true;
eula = true;
environmentFile = config.sops.templates."minecraft.env".path;
managementSystem = {
tmux.enable = false;
systemd-socket.enable = true;
};
servers.fabric_prod = {
enable = true;
package = pkgs.fabricServers.fabric-1_21_6;
enableReload = true;
autoStart = false;
jvmOpts =
"-Xms6G -Xmx6G -XX:+UseG1GC -XX:+ParallelRefProcEnabled -XX:MaxGCPauseMillis=200 -XX:+UnlockExperimentalVMOptions -XX:+DisableExplicitGC -XX:+AlwaysPreTouch -XX:G1NewSizePercent=30 -XX:G1MaxNewSizePercent=40 -XX:G1HeapRegionSize=8M -XX:G1ReservePercent=20 -XX:G1HeapWastePercent=5 -XX:G1MixedGCCountTarget=4 -XX:InitiatingHeapOccupancyPercent=15 -XX:G1MixedGCLiveThresholdPercent=90 -XX:G1RSetUpdatingPauseTimePercent=5 -XX:SurvivorRatio=32 -XX:+PerfDisableSharedMem -XX:MaxTenuringThreshold=1 -Dusing.aikars.flags=https://mcflags.emc.gs -Daikars.new.flags=true";
serverProperties = {
difficulty = "hard";
enable-rcon = true;
enable-query = false;
enforce-secure-profile = false;
enforce-whitelist = true;
hide-online-players = true;
max-players = 10;
motd = "${
packageNameToHumanString
config.services.minecraft-servers.servers.fabric_prod.package.name
} on ${config.networking.hostName}";
online-mode = true;
pause-when-empty-seconds = 60;
pvp = true;
"rcon.password" = "@MINECRAFT_RCON_PASSWORD@";
server-port = ports.tcp.minecraft;
simulation-distance = 10;
spawn-protection = 0;
view-distance = 10;
white-list = true;
};
symlinks = {
"server-icon.png" = serverIcon;
"mods/Fabric-API.jar" = pkgs.fetchurl {
url =
"https://cdn.modrinth.com/data/P7dR8mSH/versions/b2dnY6PN/fabric-api-0.128.0%2B1.21.6.jar";
sha512 =
"c668402e1a877c2d572d16e31e6d2783be27a80993fa83bf040ea2007994518786bd3140dcea15334f8ee1630836292b8ae4d41444e47cba0ac43d05f1eb1e78";
};
"mods/Ferrite-Core.jar" = pkgs.fetchurl {
url =
"https://cdn.modrinth.com/data/uXXizFIs/versions/CtMpt7Jr/ferritecore-8.0.0-fabric.jar";
sha512 =
"131b82d1d366f0966435bfcb38c362d604d68ecf30c106d31a6261bfc868ca3a82425bb3faebaa2e5ea17d8eed5c92843810eb2df4790f2f8b1e6c1bdc9b7745";
};
"mods/Lithium.jar" = pkgs.fetchurl {
url =
"https://cdn.modrinth.com/data/gvQqBUqZ/versions/XWGBHYcB/lithium-fabric-0.17.0%2Bmc1.21.6.jar";
sha512 =
"a8d6a8b69ae2b10dd0cf8f8149260d5bdbd2583147462bad03380014edd857852972b967d97df69728333d8836b1e9db8997712ea26365ddb8a05b8c845c6534";
};
"mods/Krypton.jar" = pkgs.fetchurl {
url =
"https://cdn.modrinth.com/data/fQEb0iXm/versions/neW85eWt/krypton-0.2.9.jar";
sha512 =
"2e2304b1b17ecf95783aee92e26e54c9bfad325c7dfcd14deebf9891266eb2933db00ff77885caa083faa96f09c551eb56f93cf73b357789cb31edad4939ffeb";
};
"mods/spark.jar" = pkgs.fetchurl {
url =
"https://cdn.modrinth.com/data/l6YH9Als/versions/qW2mPW6y/spark-1.10.139-fabric.jar";
sha512 =
"cd991acee93c074912f2934b5a9c3967be2f1e9157ca5a7254fd3fce8d280c5aa9a3ab06d3ee19f06c5111181853cf12048d000bf8b9f722c902c080fe258a97";
};
};
files = {
"ops.json".value = playersToOps (with players; [ engullejamones ]);
"whitelist.json".value = with players; [ engullejamones dankoszz ];
};
};
};
sops = {
secrets."minecraft_rcon".owner = "minecraft";
templates."minecraft.env" = {
content = ''
MINECRAFT_RCON_PASSWORD=${config.sops.placeholder."minecraft_rcon"}
'';
owner = "minecraft";
};
};
users.groups.minecraft.members = [ "avery" ];
}