new mc server and config structuring
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This commit is contained in:
parent
806f8d01de
commit
5ba636a096
5 changed files with 204 additions and 148 deletions
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@ -1,147 +0,0 @@
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{ inputs, lib, pkgs, ... }: let
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name = "mc0-vanilla-plus";
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production = true;
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ram-allocation-mb = 12288;
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rcon-pass = "howdy";
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modpack = let
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commit = "b128b9f93b365570ad650d9b6fea149c54b586c5";
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path = if production then "commit/${commit}" else "branch/main";
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in pkgs.fetchPackwizModpack {
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packHash = "sha256-i0N/Yb4dgSpJLfazm6KSZC9dehU53AmvhXWLKHCU0aA=";
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url = "https://git.satr14.my.id/satr14/server-modpack/raw/${path}/pack.toml";
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};
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in {
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imports = [ inputs.mc.nixosModules.minecraft-servers ];
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nixpkgs.overlays = [ inputs.mc.overlay ];
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powerManagement.cpuFreqGovernor = "powersave"; # performance governor causes overheating and thermal throttling, works fine with powesave
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boot.kernel.sysctl = {
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"vm.nr_hugepages" = (ram-allocation-mb / 2) + 512; # (heap_mb / 2MB per page) + 512 pages (1GB) for ZGC off-heap overhead
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"vm.swappiness" = 10;
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};
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systemd.services."minecraft-server-${name}" = {
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environment.LD_LIBRARY_PATH = "${pkgs.stdenv.cc.cc.lib}/lib"; # physics toys mod fix
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# serviceConfig.Nice = -5; # higher scheduling priority (causes fan noise even when idle)
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};
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services.minecraft-servers = {
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enable = true;
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eula = true;
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managementSystem.systemd-socket.enable = true;
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# ^^^ https://github.com/Infinidoge/nix-minecraft/issues/119
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# TODO: figure out how to set gamerules on start
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# gamerules to disable: locator_bar, mob_explosion_drop_decay, (and possibly) reduced_debug_info, global_sound_events
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# gamerules to enable (temporarily): noend:disable_end
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servers.${name} = {
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enable = true;
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autoStart = true;
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restart = "always";
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enableReload = production;
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operators = lib.mkIf (!production) {
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"satr14" = {
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uuid = "54441a30-fe73-46e7-adca-c476bd4fc6d2";
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bypassesPlayerLimit = true;
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level = 4;
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};
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};
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serverProperties = {
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server-ip = "0.0.0.0";
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server-port = 25565;
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server-name = name;
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motd = "§cCan't connect to server";
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log-ips = true;
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hide-online-players = true;
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difficulty = "normal";
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gamemode = "survival";
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max-world-size = 25000;
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spawn-protection = 0;
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pvp = true;
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online-mode = true;
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enable-query = true;
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enforce-secure-profile = false;
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pevent-proxy-connections = false;
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allow-flight = false;
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player-idle-timeout = 0;
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view-distance = 12;
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simulation-distance = 6;
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enable-rcon = true;
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sync-chunk-writes = false;
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"rcon.password" = rcon-pass;
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"rcon.port" = 25575;
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};
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symlinks = inputs.mc.lib.collectFilesAt modpack "mods" // {
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"polymer/packsquash" = let packsquash-binary = pkgs.runCommand "packsquash" {
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src = pkgs.fetchurl {
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url = "https://github.com/ComunidadAylas/PackSquash/releases/download/v0.4.1/packsquash-x86_64-unknown-linux-gnu.zip";
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sha256 = "sha256-VsGZewoiO5MjhIhwjlLO5d5uHynlAK5Jh16jH2k2rPs=";
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};
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nativeBuildInputs = [ pkgs.unzip ];
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} ''
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mkdir -p $out/bin
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unzip $src -d $out/bin
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chmod +x $out/bin/packsquash
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''; in "${packsquash-binary}/bin/packsquash";
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};
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files = inputs.mc.lib.collectFilesAt modpack "config" // {
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"config/proxy_protocol_support.json".value = {
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enableProxyProtocol = false; # polymer auto host has issues with proxy protocol
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whitelistTCPShieldServers = false;
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proxyServerIPs = [ "127.0.0.1" "::1" ];
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directAccessIPs = [ "127.0.0.0/8" "::1/128" ];
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};
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};
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extraStartPre = let sed-commands = lib.concatStringsSep "\n" (
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lib.mapAttrsToList (placeholder: file:
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''sed -i "s|${placeholder}|''${${placeholder}}|g" ${file}''
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) {
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"REPLACE_SVC_HOST" = "config/voicechat/voicechat-server.properties";
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"REPLACE_RP_LINK" = "config/welcomemessage.json5";
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"REPLACE_DC_BOT_TOKEN" = "config/simple-discord-link/simple-discord-link.toml";
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"REPLACE_DC_OWNER_ROLE" = "config/simple-discord-link/simple-discord-link.toml";
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}
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); in ''
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# shellcheck disable=SC1091
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if [ -f modpack-config.env ]; then
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source modpack-config.env
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${sed-commands}
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fi
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'';
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package = pkgs.fabricServers.fabric-1_21_11.override {
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jre_headless = pkgs.javaPackages.compiler.temurin-bin.jdk-25;
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loaderVersion = "0.19.2";
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};
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jvmOpts = let flags = [
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"-Xms${toString ram-allocation-mb}M"
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"-Xmx${toString ram-allocation-mb}M"
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"-XX:+UseZGC" # Use ZGC (requires Java v25+, 8+ CPU cores, 10GB+ RAM)
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"-XX:+ZGenerational" # Use generational ZGC (newer and better ZGC, requires Java v21+)
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"-XX:+UseCompactObjectHeaders" # Use compact object headers (requires Java v16+, saves a couple of bits per object)
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"--add-modules=jdk.incubator.vector" # Exposes SIMD instructions (requires full JDK, useful with performance mods like C2ME)
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"-XX:+UseLargePages" # Large pages support (requires hugepages configured on the system)
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"-XX:+AlwaysPreTouch" # Pre-allocates memory on startup, OS claims it immediately for JVM instead of negotiating it
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"-XX:+DisableExplicitGC" # Disables mods from manually invoking the GC
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"-XX:+PerfDisableSharedMem" # Disables constant /tmp writes for JVM metrics
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"-XX:SoftMaxHeapSize=${toString (ram-allocation-mb - 2048)}M" # Leave 2GB headroom
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# "-XX:ZAllocationSpikeTolerance=5" # Helps when server is active with many players
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# "-XX:ZCollectionInterval=1" # Force a GC cycle at minimum every second
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# "-XX:ConcGCThreads=8" # Threads ZGC uses for concurrent work
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]; in lib.concatStringsSep " " flags;
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};
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};
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}
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17
modules/system/homelab/mc/default.nix
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17
modules/system/homelab/mc/default.nix
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@ -0,0 +1,17 @@
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{ inputs, ... }: {
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imports = [
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./mc0-vanilla-plus.nix
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inputs.mc.nixosModules.minecraft-servers
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];
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nixpkgs.overlays = [ inputs.mc.overlay ];
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powerManagement.cpuFreqGovernor = "powersave"; # performance governor causes overheating and thermal throttling, works fine with powesave
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boot.kernel.sysctl."vm.swappiness" = 10; # reduce swap usage and keep memory performance smooth
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services.minecraft-servers = {
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enable = true;
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eula = true;
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managementSystem.systemd-socket.enable = true;
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# ^^^ https://github.com/Infinidoge/nix-minecraft/issues/119
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};
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}
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115
modules/system/homelab/mc/mc0-vanilla-plus.nix
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115
modules/system/homelab/mc/mc0-vanilla-plus.nix
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@ -0,0 +1,115 @@
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{ inputs, lib, pkgs, ... }: let
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name = "mc0-vanilla-plus";
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ram-allocation-mb = 12288;
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headroom-allocation-mb = 2048;
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rcon-pass = "howdy";
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modpack = let
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useLatest = false;
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commit = "b128b9f93b365570ad650d9b6fea149c54b586c5";
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path = if !useLatest then "commit/${commit}" else "branch/main";
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in pkgs.fetchPackwizModpack {
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packHash = "sha256-i0N/Yb4dgSpJLfazm6KSZC9dehU53AmvhXWLKHCU0aA=";
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url = "https://git.satr14.my.id/satr14/server-modpack/raw/${path}/pack.toml";
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};
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in {
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systemd.services."minecraft-server-${name}" = {
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environment.LD_LIBRARY_PATH = "${pkgs.stdenv.cc.cc.lib}/lib"; # physics toys mod fix
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# serviceConfig.Nice = -5; # higher scheduling priority (causes fan noise even when idle)
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};
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services.minecraft-servers.servers.${name} = {
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enable = true;
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autoStart = true;
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restart = "always";
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serverProperties = {
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server-ip = "0.0.0.0";
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server-port = 25565;
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server-name = name;
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motd = "§cCan't connect to server";
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log-ips = false;
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hide-online-players = true;
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difficulty = "normal";
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gamemode = "survival";
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max-world-size = 25000;
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spawn-protection = 0;
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pvp = true;
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online-mode = true;
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enable-query = true;
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enforce-secure-profile = false;
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pevent-proxy-connections = false;
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allow-flight = false;
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player-idle-timeout = 0;
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view-distance = 12;
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simulation-distance = 6;
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enable-rcon = true;
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sync-chunk-writes = false;
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"rcon.password" = rcon-pass;
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"rcon.port" = 25575;
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};
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symlinks = inputs.mc.lib.collectFilesAt modpack "mods" // {
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"polymer/packsquash" = let packsquash-binary = pkgs.runCommand "packsquash" {
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src = pkgs.fetchurl {
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url = "https://github.com/ComunidadAylas/PackSquash/releases/download/v0.4.1/packsquash-x86_64-unknown-linux-gnu.zip";
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sha256 = "sha256-VsGZewoiO5MjhIhwjlLO5d5uHynlAK5Jh16jH2k2rPs=";
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};
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nativeBuildInputs = [ pkgs.unzip ];
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} ''
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mkdir -p $out/bin
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unzip $src -d $out/bin
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chmod +x $out/bin/packsquash
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''; in "${packsquash-binary}/bin/packsquash";
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};
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files = inputs.mc.lib.collectFilesAt modpack "config" // {
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"config/proxy_protocol_support.json".value = {
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enableProxyProtocol = false; # polymer auto host has issues with proxy protocol
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whitelistTCPShieldServers = false;
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proxyServerIPs = [ "127.0.0.1" "::1" ];
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directAccessIPs = [ "127.0.0.0/8" "::1/128" ];
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};
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};
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extraStartPre = let sed-commands = lib.concatStringsSep "\n" (
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lib.mapAttrsToList (substitution: file:
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''sed -i "s|${substitution}|''${${substitution}}|g" ${file}''
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) {
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"REPLACE_SVC_HOST" = "config/voicechat/voicechat-server.properties";
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"REPLACE_RP_LINK" = "config/welcomemessage.json5";
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"REPLACE_DC_BOT_TOKEN" = "config/simple-discord-link/simple-discord-link.toml";
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"REPLACE_DC_OWNER_ROLE" = "config/simple-discord-link/simple-discord-link.toml";
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}
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); in ''
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# shellcheck disable=SC1091
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if [ -f modpack-config.env ]; then
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source modpack-config.env
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${sed-commands}
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fi
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'';
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package = pkgs.fabricServers.fabric-1_21_11.override {
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jre_headless = pkgs.javaPackages.compiler.temurin-bin.jdk-25;
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loaderVersion = "0.19.2";
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};
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jvmOpts = let flags = [
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"-Xms${toString ram-allocation-mb}M"
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"-Xmx${toString ram-allocation-mb}M"
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"-XX:+UseZGC" # Use ZGC (requires Java v25+, 8+ CPU cores, 10GB+ RAM)
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"-XX:+ZGenerational" # Use generational ZGC (newer and better ZGC, requires Java v21+)
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"-XX:+UseCompactObjectHeaders" # Use compact object headers (requires Java v16+, saves a couple of bits per object)
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"--add-modules=jdk.incubator.vector" # Exposes SIMD instructions (requires full JDK, useful with performance mods like C2ME)
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"-XX:+AlwaysPreTouch" # Pre-allocates memory on startup, OS claims it immediately for JVM instead of negotiating it
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"-XX:+DisableExplicitGC" # Disables mods from manually invoking the GC
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"-XX:+PerfDisableSharedMem" # Disables constant /tmp writes for JVM metrics
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"-XX:SoftMaxHeapSize=${toString (ram-allocation-mb - headroom-allocation-mb)}M" # Leave 2GB headroom
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]; in lib.concatStringsSep " " flags;
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};
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}
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71
modules/system/homelab/mc/mc1-pure-vanilla.nix
Normal file
71
modules/system/homelab/mc/mc1-pure-vanilla.nix
Normal file
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@ -0,0 +1,71 @@
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{ inputs, lib, pkgs, ... }: let
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name = "mc1-pure-vanilla";
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ram-allocation-mb = 8192;
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headroom-allocation-mb = 1024;
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rcon-pass = "howdy";
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modpack = pkgs.fetchModrinthModpack {
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url = "https://cdn.modrinth.com/data/2wkV8mHp/versions/mFGJP1Ye/Server%20Optimization%201.21.11-2.1.mrpack";
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packHash = "sha256-AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA=";
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side = "server";
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};
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in {
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services.minecraft-servers.servers.${name} = {
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enable = true;
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autoStart = true;
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restart = "always";
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serverProperties = {
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server-ip = "0.0.0.0";
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server-port = 25566;
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server-name = name;
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motd = "Season 4 - §6§lPure Vanilla ⛏";
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log-ips = false;
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hide-online-players = true;
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difficulty = "normal";
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gamemode = "survival";
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max-world-size = 25000;
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spawn-protection = 0;
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pvp = true;
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online-mode = true;
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enable-query = true;
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enforce-secure-profile = false;
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pevent-proxy-connections = false;
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allow-flight = false;
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player-idle-timeout = 0;
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view-distance = 10;
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simulation-distance = 4;
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enable-rcon = true;
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sync-chunk-writes = false;
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"rcon.password" = rcon-pass;
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"rcon.port" = 25576;
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};
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symlinks = inputs.mc.lib.collectFilesAt modpack "mods"; # TODO: add cracked support
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files = inputs.mc.lib.collectFilesAt modpack "config";
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package = pkgs.fabricServers.fabric-1_21_11.override {
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jre_headless = pkgs.javaPackages.compiler.temurin-bin.jdk-25;
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loaderVersion = "0.19.2";
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};
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jvmOpts = let flags = [
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"-Xms${toString ram-allocation-mb}M"
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"-Xmx${toString ram-allocation-mb}M"
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|
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"-XX:+UseZGC" # Use ZGC (requires Java v25+, 8+ CPU cores, 10GB+ RAM)
|
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"-XX:+ZGenerational" # Use generational ZGC (newer and better ZGC, requires Java v21+)
|
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"-XX:+UseCompactObjectHeaders" # Use compact object headers (requires Java v16+, saves a couple of bits per object)
|
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"--add-modules=jdk.incubator.vector" # Exposes SIMD instructions (requires full JDK, useful with performance mods like C2ME)
|
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"-XX:+AlwaysPreTouch" # Pre-allocates memory on startup, OS claims it immediately for JVM instead of negotiating it
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"-XX:+DisableExplicitGC" # Disables mods from manually invoking the GC
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"-XX:+PerfDisableSharedMem" # Disables constant /tmp writes for JVM metrics
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"-XX:SoftMaxHeapSize=${toString (ram-allocation-mb - headroom-allocation-mb)}M" # Leave 2GB headroom
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]; in lib.concatStringsSep " " flags;
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};
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}
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@ -25,7 +25,7 @@ in {
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./homelab/cdn.nix
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./homelab/ai.nix
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./homelab/db.nix
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./homelab/mc.nix
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./homelab/mc
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./core/swapfile.nix
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./core/oom.nix
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