FAST MINECRAFT SØRVER

This commit is contained in:
Daniel Lovbrotte Olsen 2021-12-19 03:21:30 +01:00 committed by System administrator
parent 8910e4b8a2
commit 7c8e9e0b93
7 changed files with 384 additions and 4 deletions

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@ -10,15 +10,25 @@
../../hardware-configuration.nix
../../base.nix
../../services/minecraft
];
services.minecraft-server = {
enable = true;
enable = false;
eula = true;
package = pkgs.unstable.minecraft-server;
dataDir = "/run/minecraft"; #"/fast/minecraft";
jvmOpts = "-Xmx8192M -Xms8192M -XX:+UseG1GC -XX:ParallelGCThreads=2 -XX:MinHeapFreeRatio=5 -XX:MaxHeapFreeRatio=10";
package = pkgs.callPackage ../../pkgs/minecraft-server-fabric { inherit (pkgs.unstable) minecraft-server; };
dataDir = "/fast/minecraft"; #"/fast/minecraft";
jvmOpts = "-Xms10G -Xmx10G -XX:+UnlockExperimentalVMOptions -XX:+UseZGC -XX:+DisableExplicitGC -XX:+AlwaysPreTouch -XX:+ParallelRefProcEnabled";
declarative = true;
serverProperties = {
view-distance = 32;
gamemode = 1;
enable-rcon = true;
"rcon.password" = "pvv";
};
};

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{ callPackage, writeTextFile, writeShellScriptBin, minecraft-server, jre_headless }:
let
loader = callPackage ./generate-loader.nix {};
log4j = writeTextFile {
name = "log4j.xml";
text = ''
<?xml version="1.0" encoding="UTF-8"?>
<Configuration status="WARN" packages="com.mojang.util">
<Appenders>
<Console name="SysOut" target="SYSTEM_OUT">
<PatternLayout pattern="[%d{HH:mm:ss}] [%t/%level]: %msg%n" />
</Console>
<Queue name="ServerGuiConsole">
<PatternLayout pattern="[%d{HH:mm:ss} %level]: %msg%n" />
</Queue>
<RollingRandomAccessFile name="File" fileName="logs/latest.log" filePattern="logs/%d{yyyy-MM-dd}-%i.log.gz">
<PatternLayout pattern="[%d{HH:mm:ss}] [%t/%level]: %msg%n" />
<Policies>
<TimeBasedTriggeringPolicy />
<OnStartupTriggeringPolicy />
</Policies>
<DefaultRolloverStrategy max="1000"/>
</RollingRandomAccessFile>
</Appenders>
<Loggers>
<Root level="debug">
<AppenderRef ref="SysOut"/>
<AppenderRef ref="File"/>
<AppenderRef ref="ServerGuiConsole"/>
</Root>
</Loggers>
</Configuration>
'';
};
in
writeShellScriptBin "minecraft-server" ''
echo "serverJar=${minecraft-server}/lib/minecraft/server.jar" >> fabric-server-launcher.properties
exec ${jre_headless}/bin/java -Dlog4j.configurationFile=${log4j} $@ -jar ${loader} nogui
''

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{ lib, fetchurl, stdenv, unzip, zip, jre_headless }:
let
lock = import ./lock.nix;
libraries = lib.forEach lock.libraries fetchurl;
in
stdenv.mkDerivation {
name = "fabric-server-launch.jar";
nativeBuildInputs = [ unzip zip jre_headless ];
libraries = libraries;
buildPhase = ''
for i in $libraries; do
unzip -o $i
done
cat > META-INF/MANIFEST.MF << EOF
Manifest-Version: 1.0
Main-Class: net.fabricmc.loader.impl.launch.server.FabricServerLauncher
Name: org/objectweb/asm/
Implementation-Version: 9.2
EOF
cat > fabric-server-launch.properties << EOF
launch.mainClass=net.fabricmc.loader.impl.launch.knot.KnotServer
EOF
'';
installPhase = ''
jar cmvf META-INF/MANIFEST.MF "server.jar" .
zip -d server.jar 'META-INF/*.SF' 'META-INF/*.RSA' 'META-INF/*.DSA'
cp server.jar "$out"
'';
phases = [ "buildPhase" "installPhase" ];
}

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#!/usr/bin/env nix-shell
#!nix-shell -i bash -p bash curl jq
curl https://meta.fabricmc.net/v2/versions/loader/1.18.1/0.12.12/server/json \
| jq -r '
.mainClass,
(.libraries[]
| .url as $url
| .name | split(":") as [$dir, $name, $version]
|"\($name)-\($version).zip|\($url)\($dir|sub("\\.";"/";"g"))/\($name)/\($version)/\($name)-\($version).jar"
)' \
| {
echo '{'
read mainClass;
echo " mainClass = \"$mainClass\";"
echo " libraries = ["
while IFS="|" read name url; do
hash=$(nix-prefetch-url $url);
echo " { name = \"$name\"; sha256 = \"$hash\"; url = \"$url\"; }"
done
echo " ];"
echo '}'
}

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{
mainClass = "net.fabricmc.loader.impl.launch.knot.KnotServer";
libraries = [
{ name = "tiny-mappings-parser-0.3.0+build.17.zip"; sha256 = "19kvhxfk5v01f2rvl7j02vqhn3nd2bh5jsgbk44rpzqv9f6074db"; url = "https://maven.fabricmc.net/net/fabricmc/tiny-mappings-parser/0.3.0+build.17/tiny-mappings-parser-0.3.0+build.17.jar"; }
{ name = "sponge-mixin-0.10.7+mixin.0.8.4.zip"; sha256 = "18m5wksd9vjp676cxapkggnz8s3f8j89phln8gy5n8vxlrli8n0d"; url = "https://maven.fabricmc.net/net/fabricmc/sponge-mixin/0.10.7+mixin.0.8.4/sponge-mixin-0.10.7+mixin.0.8.4.jar"; }
{ name = "tiny-remapper-0.6.0.zip"; sha256 = "1ynjfxg7cj9rd9c4l450w7yp20p2csjdpnk3mcx5bdkjzhbgvgzf"; url = "https://maven.fabricmc.net/net/fabricmc/tiny-remapper/0.6.0/tiny-remapper-0.6.0.jar"; }
{ name = "access-widener-2.0.1.zip"; sha256 = "0a7s4x6dbaa9p59ps7pidzwrs0xwy5i17s35xrgh58i26szlsaxm"; url = "https://maven.fabricmc.net/net/fabricmc/access-widener/2.0.1/access-widener-2.0.1.jar"; }
{ name = "asm-9.2.zip"; sha256 = "1xa7kccwmcqcdw1xly6n2frzhk56m8ma9v7h764g73ckf56zxm5r"; url = "https://maven.fabricmc.net/org/ow2/asm/asm/9.2/asm-9.2.jar"; }
{ name = "asm-analysis-9.2.zip"; sha256 = "1i1kyirizs5sm2v0f06sdz86mbmyn61vjr9d9p8p5h1i2x9bx3w7"; url = "https://maven.fabricmc.net/org/ow2/asm/asm-analysis/9.2/asm-analysis-9.2.jar"; }
{ name = "asm-commons-9.2.zip"; sha256 = "19p04mr14ahndba65v4krbvf4p5syf8wz0fp5i9bnf5270qyak5y"; url = "https://maven.fabricmc.net/org/ow2/asm/asm-commons/9.2/asm-commons-9.2.jar"; }
{ name = "asm-tree-9.2.zip"; sha256 = "04g0zb7v65iz4k2m2grdpbv8jjryrzkkw7ww23yfp94i6399pgxa"; url = "https://maven.fabricmc.net/org/ow2/asm/asm-tree/9.2/asm-tree-9.2.jar"; }
{ name = "asm-util-9.2.zip"; sha256 = "16759v4hh3ijpf4cglrxybz29x2hiylhsa388y09m2mf679kqnzz"; url = "https://maven.fabricmc.net/org/ow2/asm/asm-util/9.2/asm-util-9.2.jar"; }
{ name = "intermediary-1.18.1.zip"; sha256 = "1rfz2gazvnivn6hlqiyjpiaycz8va87n5czy1p6w3lnrlfggj2i9"; url = "https://maven.fabricmc.net/net/fabricmc/intermediary/1.18.1/intermediary-1.18.1.jar"; }
{ name = "fabric-loader-0.12.12.zip"; sha256 = "070dpcp7kcj4xr75wp1j6pb1bgfzllwg8xmqk3sk79jfqiqwzizw"; url = "https://maven.fabricmc.net/net/fabricmc/fabric-loader/0.12.12/fabric-loader-0.12.12.jar"; }
];
}

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{config, lib, pkgs, ... }:
{
imports = [ ./minecraft-server-fabric.nix ];
pvv.minecraft-server-fabric = {
enable = true;
eula = true;
package = pkgs.callPackage ../../pkgs/minecraft-server-fabric { inherit (pkgs.unstable) minecraft-server; };
jvmOpts = "-Xms10G -Xmx10G -XX:+UnlockExperimentalVMOptions -XX:+UseZGC -XX:+DisableExplicitGC -XX:+AlwaysPreTouch -XX:+ParallelRefProcEnabled";
serverProperties = {
view-distance = 32;
gamemode = 1;
enable-rcon = true;
"rcon.password" = "pvv";
};
dataDir = "/fast/minecraft-fabric";
mods = [
(pkgs.fetchurl { # Fabric API is a common dependency for fabric based mods
url = "https://cdn.modrinth.com/data/P7dR8mSH/versions/0.44.0+1.18/fabric-api-0.44.0+1.18.jar";
sha256 = "0mlmj7mj073a48s8zgc1km0jwkphz01c1fvivn4mw37lbm2p4834";
})
(pkgs.fetchurl { # Lithium is a 100% vanilla compatible optimization mod
url = "https://cdn.modrinth.com/data/gvQqBUqZ/versions/mc1.18.1-0.7.6/lithium-fabric-mc1.18.1-0.7.6.jar";
sha256 = "1fw1ikg578v4i6bmry7810a3q53h8yspxa3awdz7d746g91g8lf7";
})
(pkgs.fetchurl { # Starlight is the lighting engine of papermc
url = "https://cdn.modrinth.com/data/H8CaAYZC/versions/Starlight%201.0.0%201.18.x/starlight-1.0.0+fabric.d0a3220.jar";
sha256 = "0bv9im45hhc8n6x57lakh2rms0g5qb7qfx8qpx8n6mbrjjz6gla1";
})
(pkgs.fetchurl { # Krypton is a linux optimized optimizer for minecrafts networking system
url = "https://cdn.modrinth.com/data/fQEb0iXm/versions/0.1.6/krypton-0.1.6.jar";
sha256 = "1ribvbww4msrfdnzlxipk8kpzz7fnwnd4q6ln6mpjlhihcjb3hni";
})
(pkgs.fetchurl { # C2ME is a parallelizer for chunk loading and generation, experimental!!!
url = "https://cdn.modrinth.com/data/VSNURh3q/versions/0.2.0+alpha.5.104%201.18.1/c2me-fabric-mc1.18.1-0.2.0+alpha.5.104-all.jar";
sha256 = "13zrpsg61fynqnnlm7dvy3ihxk8khlcqsif68ak14z7kgm4py6nw";
})
(pkgs.fetchurl { # Spark is a profiler for minecraft
url = "https://ci.lucko.me/job/spark/251/artifact/spark-fabric/build/libs/spark-fabric.jar";
sha256 = "1clvi5v7a14ba23jbka9baz99h6wcfjbadc8kkj712fmy2h0sx07";
})
(pkgs.fetchurl { # Carpetmod gives you tps views in the tab menu,
# but also adds a lot of optional serverside vanilla+ features (which we arent using).
# So probably want something else
url = "https://github.com/gnembon/fabric-carpet/releases/download/1.4.56/fabric-carpet-1.18-1.4.56+v211130.jar";
sha256 = "0rvl2yb8xymla8c052j07gqkqfkz4h5pxf6aip2v9v0h8r84p9hf";
})
];
};
networking.firewall.allowedTCPPorts = [ 25565 ];
networking.firewall.allowedUDPPorts = [ 25565 ];
systemd.services."minecraft-backup" = {
serviceConfig.Type = "oneshot";
script = ''
${pkgs.mcrcon}/bin/mcrcon -p pvv "say Starting Backup" "save-off" "save-all"
${pkgs.rsync}/bin/rsync -avz --delete ${config.pvv.minecraft-server-fabric.dataDir}/world /fast/backup # Where to put backup
${pkgs.mcrcon}/bin/mcrcon -p pvv "save-all" "say Completed Backup" "save-on" "save-all"
'';
};
systemd.timers."minecraft-backup" = {
wantedBy = ["timers.target"];
timerConfig.OnCalendar = [ "hourly" ];
};
}

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{ lib, pkgs, config, ... }:
with lib;
let
cfg = config.pvv.minecraft-server-fabric;
# We don't allow eula=false anyways
eulaFile = builtins.toFile "eula.txt" ''
# eula.txt managed by NixOS Configuration
eula=true
'';
whitelistFile = pkgs.writeText "whitelist.json"
(builtins.toJSON
(mapAttrsToList (n: v: { name = n; uuid = v; }) cfg.whitelist));
cfgToString = v: if builtins.isBool v then boolToString v else toString v;
serverPropertiesFile = pkgs.writeText "server.properties" (''
# server.properties managed by NixOS configuration
'' + concatStringsSep "\n" (mapAttrsToList
(n: v: "${n}=${cfgToString v}") cfg.serverProperties));
defaultServerPort = 25565;
serverPort = cfg.serverProperties.server-port or defaultServerPort;
rconPort = if cfg.serverProperties.enable-rcon or false
then cfg.serverProperties."rcon.port" or 25575
else null;
queryPort = if cfg.serverProperties.enable-query or false
then cfg.serverProperties."query.port" or 25565
else null;
in
{
options.pvv.minecraft-server-fabric = {
enable = mkEnableOption "minecraft-server-fabric";
package = mkOption {
type = types.package;
};
eula = mkOption {
type = types.bool;
default = false;
description = ''
Whether you agree to
<link xlink:href="https://account.mojang.com/documents/minecraft_eula">
Mojangs EULA</link>. This option must be set to
<literal>true</literal> to run Minecraft server.
'';
};
dataDir = mkOption {
type = types.path;
default = "/var/lib/minecraft-fabric";
description = ''
Directory to store Minecraft database and other state/data files.
'';
};
whitelist = mkOption {
type = let
minecraftUUID = types.strMatching
"[0-9a-f]{8}-[0-9a-f]{4}-[0-9a-f]{4}-[0-9a-f]{4}-[0-9a-f]{12}" // {
description = "Minecraft UUID";
};
in types.attrsOf minecraftUUID;
default = {};
description = ''
Whitelisted players, only has an effect when
<option>services.minecraft-server.declarative</option> is
<literal>true</literal> and the whitelist is enabled
via <option>services.minecraft-server.serverProperties</option> by
setting <literal>white-list</literal> to <literal>true</literal>.
This is a mapping from Minecraft usernames to UUIDs.
You can use <link xlink:href="https://mcuuid.net/"/> to get a
Minecraft UUID for a username.
'';
example = literalExpression ''
{
username1 = "xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx";
username2 = "yyyyyyyy-yyyy-yyyy-yyyy-yyyyyyyyyyyy";
};
'';
};
serverProperties = mkOption {
type = with types; attrsOf (oneOf [ bool int str ]);
default = {};
example = literalExpression ''
{
server-port = 43000;
difficulty = 3;
gamemode = 1;
max-players = 5;
motd = "NixOS Minecraft server!";
white-list = true;
enable-rcon = true;
"rcon.password" = "hunter2";
}
'';
description = ''
Minecraft server properties for the server.properties file. Only has
an effect when <option>services.minecraft-server.declarative</option>
is set to <literal>true</literal>. See
<link xlink:href="https://minecraft.gamepedia.com/Server.properties#Java_Edition_3"/>
for documentation on these values.
'';
};
jvmOpts = mkOption {
type = types.separatedString " ";
default = "-Xmx2048M -Xms2048M";
# Example options from https://minecraft.gamepedia.com/Tutorials/Server_startup_script
example = "-Xmx2048M -Xms4092M -XX:+UseG1GC -XX:+CMSIncrementalPacing "
+ "-XX:+CMSClassUnloadingEnabled -XX:ParallelGCThreads=2 "
+ "-XX:MinHeapFreeRatio=5 -XX:MaxHeapFreeRatio=10";
description = "JVM options for the Minecraft server.";
};
mods = mkOption {
type = types.listOf types.package;
example = literalExpression ''
[
(pkgs.fetchurl {
url = "https://cdn.modrinth.com/data/P7dR8mSH/versions/0.44.0+1.18/fabric-api-0.44.0+1.18.jar";
sha256 = "0mlmj7mj073a48s8zgc1km0jwkphz01c1fvivn4mw37lbm2p4834";
})
];
'';
description = "List of mods to put in the mods folder";
};
};
config = mkIf cfg.enable {
users.users.minecraft = {
description = "Minecraft server service user";
home = cfg.dataDir;
createHome = true;
isSystemUser = true;
group = "minecraft";
};
users.groups.minecraft = {};
systemd.services.minecraft-server-fabric = {
description = "Minecraft Server Service";
wantedBy = [ "multi-user.target" ];
after = [ "network.target" ];
serviceConfig = {
ExecStart = "${cfg.package}/bin/minecraft-server ${cfg.jvmOpts}";
Restart = "always";
User = "minecraft";
WorkingDirectory = cfg.dataDir;
};
preStart = ''
ln -sf ${eulaFile} eula.txt
ln -sf ${whitelistFile} whitelist.json
cp -f ${serverPropertiesFile} server.properties
ln -sfn ${pkgs.linkFarmFromDrvs "fabric-mods" cfg.mods} mods
'';
};
assertions = [
{ assertion = cfg.eula;
message = "You must agree to Mojangs EULA to run minecraft-server."
+ " Read https://account.mojang.com/documents/minecraft_eula and"
+ " set `services.minecraft-server.eula` to `true` if you agree.";
}
];
};
}