nixpkgs/nixos/modules/services/audio/botamusique.nix
Martin Weinelt d6f4f4584a
nixos/botamusique: allow syscalls in the @resources group
Calls to ffmpeg from botamusique require the `set_mempolicy` syscall.

Fixes: #205702
2022-12-12 15:36:58 +01:00

115 lines
3.4 KiB
Nix

{ config, lib, pkgs, ... }:
with lib;
let
cfg = config.services.botamusique;
format = pkgs.formats.ini {};
configFile = format.generate "botamusique.ini" cfg.settings;
in
{
meta.maintainers = with lib.maintainers; [ hexa ];
options.services.botamusique = {
enable = mkEnableOption (lib.mdDoc "botamusique, a bot to play audio streams on mumble");
package = mkOption {
type = types.package;
default = pkgs.botamusique;
defaultText = literalExpression "pkgs.botamusique";
description = lib.mdDoc "The botamusique package to use.";
};
settings = mkOption {
type = with types; submodule {
freeformType = format.type;
options = {
server.host = mkOption {
type = types.str;
default = "localhost";
example = "mumble.example.com";
description = lib.mdDoc "Hostname of the mumble server to connect to.";
};
server.port = mkOption {
type = types.port;
default = 64738;
description = lib.mdDoc "Port of the mumble server to connect to.";
};
bot.username = mkOption {
type = types.str;
default = "botamusique";
description = lib.mdDoc "Name the bot should appear with.";
};
bot.comment = mkOption {
type = types.str;
default = "Hi, I'm here to play radio, local music or youtube/soundcloud music. Have fun!";
description = lib.mdDoc "Comment displayed for the bot.";
};
};
};
default = {};
description = lib.mdDoc ''
Your {file}`configuration.ini` as a Nix attribute set. Look up
possible options in the [configuration.example.ini](https://github.com/azlux/botamusique/blob/master/configuration.example.ini).
'';
};
};
config = mkIf cfg.enable {
systemd.services.botamusique = {
after = [ "network.target" ];
wantedBy = [ "multi-user.target" ];
unitConfig.Documentation = "https://github.com/azlux/botamusique/wiki";
environment.HOME = "/var/lib/botamusique";
serviceConfig = {
ExecStart = "${cfg.package}/bin/botamusique --config ${configFile}";
Restart = "always"; # the bot exits when the server connection is lost
# Hardening
CapabilityBoundingSet = [ "" ];
DynamicUser = true;
IPAddressDeny = [
"link-local"
"multicast"
];
LockPersonality = true;
MemoryDenyWriteExecute = true;
ProcSubset = "pid";
PrivateDevices = true;
PrivateUsers = true;
PrivateTmp = true;
ProtectClock = true;
ProtectControlGroups = true;
ProtectHome = true;
ProtectHostname = true;
ProtectKernelLogs = true;
ProtectKernelModules = true;
ProtectKernelTunables = true;
ProtectProc = "invisible";
ProtectSystem = "strict";
RestrictNamespaces = true;
RestrictRealtime = true;
RestrictAddressFamilies = [
"AF_INET"
"AF_INET6"
];
StateDirectory = "botamusique";
SystemCallArchitectures = "native";
SystemCallFilter = [
"@system-service @resources"
"~@privileged"
];
UMask = "0077";
WorkingDirectory = "/var/lib/botamusique";
};
};
};
}