pyrox.dev
1{ lib, pkgs, ... }:
2{
3 name = "velocity";
4 meta = {
5 platforms = [
6 "x86_64-linux"
7 "aarch64-linux"
8 ];
9 maintainers = [ lib.maintainers.Tert0 ];
10 };
11
12 nodes.server =
13 { ... }:
14 {
15 imports =
16 let
17 mkVelocityService = name: pkg: {
18 systemd.sockets.${name} = {
19 socketConfig = {
20 ListenFIFO = "/run/${name}.stdin";
21 Service = "${name}";
22 };
23 };
24 systemd.services.${name} = {
25 serviceConfig = {
26 ExecStart = "${pkg}/bin/velocity";
27 DynamicUser = true;
28 StateDirectory = "${name}";
29 WorkingDirectory = "/var/lib/${name}";
30
31 Sockets = "${name}.socket";
32 StandardInput = "socket";
33 StandardOutput = "journal";
34 StandardError = "journal";
35 };
36 };
37 };
38 in
39 [
40 (mkVelocityService "velocity-without-native" (
41 pkgs.velocity.override { withVelocityNative = false; }
42 ))
43 (mkVelocityService "velocity-with-native" (pkgs.velocity.override { withVelocityNative = true; }))
44 ];
45
46 environment.systemPackages = [ pkgs.mcstatus ];
47 };
48
49 testScript = ''
50 def test_velocity(name: str, native: bool):
51 server.start_job(name)
52 server.wait_for_unit(name);
53 server.wait_for_open_port(25565)
54 server.wait_until_succeeds(f"journalctl -b -u {name} | grep -q 'Booting up Velocity nixpkgs-${pkgs.velocity.version}...'")
55 connections_startup_query = "Connections will use epoll channels, libdeflate (.+) compression, OpenSSL 3.x.x (.+) ciphers" if native else "Connections will use epoll channels, Java compression, Java ciphers"
56 server.wait_until_succeeds(f"journalctl -b -u {name} | grep -q -E '{connections_startup_query}'")
57 server.wait_until_succeeds(f"journalctl -b -u {name} | grep -q 'Done ([0-9]*.[0-9]*s)!'");
58
59 _, status_result = server.execute("mcstatus localhost:25565 status")
60 assert "A Velocity Server" in status_result
61
62 server.execute(f"echo stop > /run/{name}.stdin")
63 server.wait_for_closed_port(25565);
64
65 test_velocity("velocity-without-native", False)
66 test_velocity("velocity-with-native", True)
67 '';
68}