122 lines
3.3 KiB
Nix
122 lines
3.3 KiB
Nix
{
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config,
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lib,
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pkgs,
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...
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}: let
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cfg = config.services.livekit;
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in {
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meta.maintainers = [lib.maintainers.quadradical];
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options.services.livekit = {
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enable = lib.mkEnableOption "Livekit SFU";
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package = lib.mkPackageOption pkgs "livekit" {};
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keyFile = lib.mkOption {
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type = lib.types.path;
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description = "LiveKit key file, with syntax `LIVEKIT_KEYS=\"key: secret\"`;";
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};
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openFirewall = lib.mkOption {
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type = lib.types.bool;
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default = false;
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description = "Opens ports 50000 to 51000 on the firewall.";
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};
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useExternalIP = lib.mkOption {
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type = lib.types.bool;
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default = false;
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description = ''
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When set to true, attempts to discover the host's public IP via STUN.
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This is useful for cloud environments such as AWS & Google where hosts have an internal IP that maps to an external one
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'';
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};
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port = lib.mkOption {
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type = lib.types.port;
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default = 7880;
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description = "Main TCP port for RoomService and RTC endpoint.";
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};
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rtc = {
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portRangeStart = lib.mkOption {
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type = lib.types.int;
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default = 50000;
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description = "Start of UDP port range for WebRTC";
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};
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portRangeEnd = lib.mkOption {
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type = lib.types.int;
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default = 51000;
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description = "End of UDP port range for WebRTC";
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};
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};
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};
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config = lib.mkIf cfg.enable {
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networking.firewall = lib.mkIf cfg.openFirewall {
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allowedTCPPorts = [
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cfg.port
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];
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allowedUDPPortRanges = [
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{
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from = cfg.rtc.port_range_start;
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to = cfg.rtc.port_range_end;
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}
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];
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};
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systemd.services.livekit = {
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description = "LiveKit SFU server";
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documentation = ["https://docs.livekit.io"];
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wantedBy = ["multi-user.target"];
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wants = ["network-online.target"];
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after = ["network-online.target"];
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serviceConfig = {
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EnvironmentFile = cfg.keyFile;
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DynamicUser = true;
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User = "livekit";
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LockPersonality = true;
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MemoryDenyWriteExecute = true;
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ProtectClock = true;
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ProtectControlGroups = true;
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ProtectHostname = true;
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ProtectKernelLogs = true;
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ProtectKernelModules = true;
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ProtectKernelTunables = true;
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PrivateDevices = true;
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PrivateMounts = true;
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PrivateUsers = true;
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RestrictAddressFamilies = [
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"AF_INET"
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"AF_INET6"
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"AF_NETLINK"
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];
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RestrictNamespaces = true;
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RestrictRealtime = true;
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ProtectHome = true;
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SystemCallArchitectures = "native";
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SystemCallFilter = [
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"@system-service"
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"~@privileged"
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"~@resources"
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];
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CapabilityBoundingSet = [
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"CAP_NET_BIND_SERVICE"
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"CAP_NET_RAW"
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];
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ExecStart = "${cfg.package}/bin/livekit-server --config-body=${builtins.toJSON (builtins.toJSON {
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port = cfg.port;
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rtc = {
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port_range_start = cfg.rtc.portRangeStart;
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port_range_end = cfg.rtc.portRangeEnd;
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use_external_ip = cfg.useExternalIP;
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};
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})}";
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Restart = "on-failure";
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RestartSec = 5;
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UMask = "077";
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};
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};
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};
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}
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