Drift/pvv-nixos-config
Drift
/
pvv-nixos-config
16
4
Fork 1
Code Issues Pull Requests 6 Wiki Activity

Merge remote-tracking branch 'origin/main'

This commit is contained in:
System administrator 2022-12-07 10:31:41 +01:00
parent 4a9efb0d5c 7645a19dcf
commit cfed55f61a
8 changed files with 517 additions and 11 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

33
hosts/greddost/configuration.nix
View File

@ -10,18 +10,10 @@
../../hardware-configuration.nix
../../base.nix
../../services/minecraft
];
services.minecraft-server = {
enable = true;
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";
};
nixpkgs.config.packageOverrides = pkgs: {
unstable = (import <nixos-unstable>) { };
};
@ -37,7 +29,26 @@
networking.hostName = "greddost"; # Define your hostname.
networking.interfaces.ens18.useDHCP = true;
networking.interfaces.ens18.useDHCP = false;
networking.defaultGateway = "129.241.210.129";
networking.interfaces.ens18.ipv4 = {
addresses = [
{
address = "129.241.210.174";
prefixLength = 25;
}
];
};
networking.interfaces.ens18.ipv6 = {
addresses = [
{
address = "2001:700:300:1900::174";
prefixLength = 64;
}
];
};
networking.nameservers = [ "129.241.0.200" "129.241.0.201" ];
# Open ports in the firewall.
networking.firewall.allowedTCPPorts = [ 25565 ];

43
pkgs/minecraft-server-fabric/default.nix Normal file
View File

@ -0,0 +1,43 @@
{ 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="info">
<filters>
<MarkerFilter marker="NETWORK_PACKETS" onMatch="DENY" onMismatch="NEUTRAL" />
</filters>
<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
''

38
pkgs/minecraft-server-fabric/generate-loader.nix Normal file
View File

@ -0,0 +1,38 @@
{ 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" ];
}

22
pkgs/minecraft-server-fabric/generate-lock-nix.sh Executable file
View File

@ -0,0 +1,22 @@
#!/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 '}'
}

16
pkgs/minecraft-server-fabric/lock.nix Normal file
View File

@ -0,0 +1,16 @@
{
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"; }
];
}

38
pkgs/minecraft-server/1_18_1.nix Normal file
View File

@ -0,0 +1,38 @@
{ lib, stdenv, fetchurl, nixosTests, jre_headless }:
stdenv.mkDerivation {
pname = "minecraft-server";
version = "1.18.1";
src = fetchurl {
url = "https://launcher.mojang.com/v1/objects/125e5adf40c659fd3bce3e66e67a16bb49ecc1b9/server.jar";
# sha1 because that comes from mojang via api
sha1 = "125e5adf40c659fd3bce3e66e67a16bb49ecc1b9";
};
preferLocalBuild = true;
installPhase = ''
mkdir -p $out/bin $out/lib/minecraft
cp -v $src $out/lib/minecraft/server.jar
cat > $out/bin/minecraft-server << EOF
#!/bin/sh
exec ${jre_headless}/bin/java \$@ -jar $out/lib/minecraft/server.jar nogui
EOF
chmod +x $out/bin/minecraft-server
'';
dontUnpack = true;
passthru = {
tests = { inherit (nixosTests) minecraft-server; };
updateScript = ./update.sh;
};
meta = with lib; {
description = "Minecraft Server";
homepage = "https://minecraft.net";
license = licenses.unfreeRedistributable;
platforms = platforms.unix;
maintainers = with maintainers; [ thoughtpolice tomberek costrouc ];
};
}

158
services/minecraft/default.nix Normal file
View File

@ -0,0 +1,158 @@
{config, lib, pkgs, ... }:
{
imports = [ ./minecraft-server-fabric.nix ];
environment.systemPackages = with pkgs; [
mcron
];
pvv.minecraft-server-fabric = {
enable = true;
eula = true;
package = pkgs.callPackage ../../pkgs/minecraft-server-fabric { minecraft-server = (pkgs.callPackage ../../pkgs/minecraft-server/1_18_1.nix { }); };
jvmOpts = "-Xms10G -Xmx10G -XX:+UnlockExperimentalVMOptions -XX:+UseZGC -XX:+DisableExplicitGC -XX:+AlwaysPreTouch -XX:+ParallelRefProcEnabled";
serverProperties = {
view-distance = 12;
simulation-distance = 12;
enable-command-block = true;
gamemode = "survival";
difficulty = "normal";
white-list = true;
enable-rcon = true;
"rcon.password" = "pvv";
};
dataDir = "/fast/minecraft-pvv";
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";
#})
];
whitelist = {
gunalx = "913a21ae-3a11-4178-a192-401490ca0891";
eirikwitt = "1689e626-1cc8-4b91-81c4-0632fd34eb19";
Rockj = "202c0c91-a4e0-4b45-8c1b-fc51a8956c0a";
paddishar = "326845aa-4b45-4cd9-8108-7816e10a9828";
nordyorn = "f253cddf-a520-42ab-85d3-713992746e42";
hell04 = "c681df2a-6a30-4c66-b70d-742eb68bbc04";
steinarh = "bd8c419e-e6dc-4fc5-ac62-b92f98c1abc9";
EastTown2000 = "f273ed2e-d3ba-43fc-aff4-3e800cdf25e1";
DirDanner = "5b5476a2-1138-476b-9ff1-1f39f834a428";
asgeirbj = "dbd5d89f-3d8a-4662-ad15-6c4802d0098f";
Linke03 = "0dbc661d-898a-47ff-a371-32b7bd76b78b";
somaen = "cc0bdd13-4304-4160-80e7-8f043446fa83";
einaman = "39f45df3-423d-4274-9ef9-c9b7575e3804";
liseu = "c8f4d9d8-3140-4c35-9f66-22bc351bb7e6";
torsteno = "ae1e7b15-a0de-4244-9f73-25b68427e34a";
simtind = "39c03c95-d628-4ccc-843d-ce1332462d9e";
aellaie = "c585605d-24bb-4d75-ba9c-0064f6a39328";
PerKjelsvik = "5df69f17-27c9-4426-bcae-88b435dfae73";
CelestialCry = "9e34d192-364e-4566-883a-afc868c4224d";
terjesc = "993d70e8-6f9b-4094-813c-050d1a90be62";
maxelost = "bf465915-871a-4e3e-a80c-061117b86b23";
"4ce1" = "8a9b4926-0de8-43f0-bcde-df1442dee1d0";
exponential = "1ebcca9d-0964-48f3-9154-126a9a7e64f6";
Dodsorbot = "3baa9d58-32e4-465e-80bc-9dcb34e23e1d";
HFANTOM = "cd74d407-7fb0-4454-b3f4-c0b4341fde18";
Ghostmaker = "96465eee-e665-49ab-9346-f12d5a040624";
soonhalle = "61a8e674-7c7a-4120-80d1-4453a5993350";
MasterMocca = "481e6dac-9a17-4212-9664-645c3abe232f";
soulprayfree = "cfb1fb23-5115-4fe2-9af9-00a02aea9bf8";
calibwam = "0d5d5209-bb7c-4006-9451-fb85d7d52618";
Skuggen = "f0ccee0b-741a-413a-b8e6-d04552b9d78a";
Sivertsen3 = "cefac1a6-52a7-4781-be80-e7520f758554";
vafflonaut = "4d864d5c-74e2-4f29-b57d-50dea76aaabd";
Dhila = "c71d6c23-14d7-4daf-ae59-cbf0caf45681";
remorino = "2972ab22-96b3-462d-ab4d-9b6b1775b9bb";
SamuelxJackson = "f140e4aa-0a19-48ab-b892-79b24bd82c1e";
ToanBuiDuc = "a3c54742-4caf-4334-8bbb-6402a8eb4268";
Joces123 = "ecbcfbf9-9bcc-49f0-9435-f2ac2b3217c1";
brunsviken = "75ff5f0e-8adf-4807-a7f0-4cb66f81cb7f";
oscarsb1 = "9460015a-65cc-4a2f-9f91-b940b6ce7996";
CVi = "6f5691ce-9f9c-4310-84aa-759d2f9e138e";
Tawos = "0b98e55c-10cf-4b23-85d3-d15407431ace";
evenhunn = "8751581b-cc5f-4f8b-ae1e-34d90127e074";
q41 = "a080e5b4-10ee-4d6f-957e-aa5053bb1046";
jesper001 = "fbdf3ceb-eaa9-4aeb-94c2-a587cde41774";
finninde = "f58afd00-28cd-48dd-a74a-6c1d76b57f66";
GameGuru999 = "535f2188-a4a4-4e54-bec6-74977bee09ab";
MinusOneKelvin = "b6b973bf-1e35-4a58-803b-a555fd90a172";
SuperRagna = "e2c32136-e510-41b1-84c0-41baeccfb0b9";
Zamazaki = "d4411eca-401a-4565-9451-5ced6f48f23f";
supertheodor = "610c4e86-0ecc-4e7a-bffc-35a2e7d90aa6";
Minelost = "22ae2a1f-cfd9-4f10-9e41-e7becd34aba8";
Bjand = "aed136b6-17f7-4ce1-8a7b-a09eb1694ccf";
Dandellion = "f393413b-59fc-49d7-a5c4-83a5d177132c";
Shogori = "f9d571bd-5754-46e8-aef8-e89b38a6be9b";
Caragath = "f8d34f3a-55c3-4adc-b8d8-73a277f979e8";
Shmaapqueen = "425f2eef-1a9d-4626-9ba3-cd58156943dc";
Liquidlif3 = "420482b3-885f-4951-ba1e-30c22438a7e0";
newtonseple = "7d8bf9ca-0499-4cb7-9d6a-daabf80482b6";
nainis = "2eaf3736-decc-4e11-9a44-af2df0ee7c81";
Devolan = "87016228-76b2-434f-a963-33b005ae9e42";
zSkyler = "c92169e4-ca14-4bd5-9ea2-410fe956abe2";
Cryovat = "7127d743-873e-464b-927a-d23b9ad5b74a";
cybrhuman = "14a67926-cff0-4542-a111-7f557d10cc67";
stinl = "3a08be01-1e74-4d68-88d1-07d0eb23356f";
Mirithing = "7b327f51-4f1b-4606-88c7-378eff1b92b1";
"_dextra" = "4b7b4ee7-eb5b-48fd-88c3-1cc68f06acda";
Soraryuu = "0d5ffe48-e64f-4d6d-9432-f374ea8ec10c";
klarken1 = "d6967cb8-2bc6-4db7-a093-f0770cce47df";
};
};
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 -aiz --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" ];
};
}

180
services/minecraft/minecraft-server-fabric.nix Normal file
View File

@ -0,0 +1,180 @@
{ 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.";
}
];
};
}