nix-dotfiles/hosts/tsuki/services/minecraft/default.nix

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{ pkgs, lib, config, inputs, secrets, ... }:
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let
cfg = config.services.minecraft-servers;
# See https://docs.papermc.io/paper/aikars-flags
jvmOpts = lib.concatStringsSep " " [
"-Xms5G"
"-Xmx15G"
"-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"
];
# serverPackage = inputs.minecraft.packages.x86_64-linux.paper-server-1_20_2;
# serverPackage = pkgs.paperServers.paper-1_20_2;
# lazymc-config = ((pkgs.formats.toml { }).generate "lazymc.toml" {
# # public = {
# # version = builtins.head
# # (builtins.match "([[:digit:]].*[[:digit:]]*.[[:digit:]]*)-build.*" serverPackage.version);
# # protocol = 765;
# # };
# server = {
# directory = "${cfg.dataDir}/kakuland";
# command = "${serverPackage}/bin/minecraft-server ${jvmOpts}";
# freeze_process = false;
# probe_on_start = true;
# };
# rcon = {
# enabled = true;
# password = "mcrcond";
# randomize_password = false;
# };
# advanced.rewrite_server_properties = false;
# }).override {
# runCommand = pkgs.runCommandLocal;
# };
# lazymcServerPackage = pkgs.writeShellScriptBin "minecraft-server" ''
# exec ${lib.getExe pkgs.lazymc} -c ${lazymc-config}
# '';
in
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{
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# ugly hack for https://github.com/Infinidoge/nix-minecraft/pull/54
services.minecraft-server.dataDir = "/srv/minecraft";
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services.minecraft-servers = {
enable = true;
eula = true;
openFirewall = true;
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dataDir = "/var/lib/minecraft";
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servers.kakuland = {
enable = true;
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# package = lazymcServerPackage;
package = pkgs.paperServers.paper-1_20_4;
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serverProperties = {
allow-flight = true;
allow-nether = true;
broadcast-console-to-ops = true;
broadcast-rcon-to-ops = true;
debug = false;
difficulty = "easy";
enable-command-block = false;
enable-jmx-monitoring = false;
enable-query = false;
enable-status = true;
enforce-secure-profile = false;
enforce-whitelist = false;
entity-broadcast-range-percentage = 100;
force-gamemode = false;
function-permission-level = 2;
gamemode = "survival";
generate-structures = true;
# generator-settings={}
hardcore = false;
hide-online-players = false;
level-name = "world";
# level-seed =
level-type = "default";
max-chained-neighbor-updates = 1000000;
max-players = 2;
max-tick-time = 60000;
max-world-size = 29999984;
motd = "Yaba Saba";
network-compression-threshold = 256;
online-mode = true;
op-permission-level = 4;
player-idle-timeout = 0;
prevent-proxy-connections = false;
previews-chat = false;
pvp = true;
# "query.port" = 25565;
rate-limit = 0;
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enable-rcon = true;
"rcon.password" = "mcrcond";
"rcon.port" = 25575;
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require-resource-pack = false;
# resource-pack=
# resource-pack-prompt=
# resource-pack-sha1=
server-ip = "0.0.0.0";
server-port = 25565;
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# server-port = 25566;
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simulation-distance = 10;
spawn-animals = true;
spawn-monsters = true;
spawn-npcs = true;
spawn-protection = 16;
sync-chunk-writes = true;
# text-filtering-config=
use-native-transport = true;
view-distance = 10;
white-list = true;
};
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inherit jvmOpts;
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symlinks = let
rawFile = file: pkgs.runCommandLocal (builtins.baseNameOf file) {} ''
ln -s ${file} $out
'';
yamlFormat = pkgs.formats.yaml {};
yamlConfig = name: file: env:
yamlFormat.generate "minecraft-server-plugin-${name}-configuration.yml" (import file env);
in {
"server-icon.png" = rawFile ./extraFiles/server-icon.png;
"plugins/dynmap/configuration.txt" =
yamlConfig "dynmap" ./pluginConfigs/dynmap.nix { inherit secrets; };
"plugins/VeinMiner/config.yml" =
yamlConfig "VeinMiner" ./pluginConfigs/veinMiner.nix { };
"plugins/SmoothTimber/config.yml" =
yamlConfig "SmoothTimber" ./pluginConfigs/smoothTimber.nix { };
"plugins/SilkSpawners/config.yml" =
yamlConfig "SilkSpawners" ./pluginConfigs/silkSpawners.nix { };
"plugins/OnePlayerSleep/config.yml" =
yamlConfig "OnePlayerSleep" ./pluginConfigs/onePlayerSleep.nix { };
"plugins/ServerBackup/config.yml" =
yamlConfig "ServerBackup" ./pluginConfigs/serverBackup.nix { };
};
};
};
services.postgresql = let
o = lib.optional;
db = name: {
inherit name;
ensurePermissions = {
"DATABASE \"${name}\"" = "ALL PRIVILEGES";
};
};
in {
enable = true;
ensureDatabases =
(o config.services.minecraft-servers.enable "dynmap");
ensureUsers =
(o config.services.minecraft-servers.enable (db "dynmap"));
};
systemd.services.minecraft-server-kakuland.requires = [ "postgresql.service" ];
systemd.services.minecraft-server-kakuland.after = [
"postgresql.service"
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# "data2-momiji.mount"
];
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networking.firewall.allowedTCPPorts = [ 25565 ];
networking.firewall.allowedUDPPorts = [ 25565 ];
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}