nixpkgs/nixos/modules/services/audio/gmediarender.nix
Michael Alan Dorman 2bb560b367 gmrender-resurrect: Add gmediarender service
This creates a systemd unit that will start and supervise the
gmediarender daemon.
2023-01-16 17:28:56 +01:00

117 lines
3.5 KiB
Nix

{ pkgs, lib, config, utils, ... }:
with lib;
let
cfg = config.services.gmediarender;
in
{
options.services.gmediarender = {
enable = mkEnableOption (mdDoc "the gmediarender DLNA renderer");
audioDevice = mkOption {
type = types.nullOr types.str;
default = null;
description = mdDoc ''
The audio device to use.
'';
};
audioSink = mkOption {
type = types.nullOr types.str;
default = null;
description = mdDoc ''
The audio sink to use.
'';
};
friendlyName = mkOption {
type = types.nullOr types.str;
default = null;
description = mdDoc ''
A "friendly name" for identifying the endpoint.
'';
};
initialVolume = mkOption {
type = types.nullOr types.int;
default = 0;
description = mdDoc ''
A default volume attenuation (in dB) for the endpoint.
'';
};
package = mkPackageOptionMD pkgs "gmediarender" {
default = "gmrender-resurrect";
};
port = mkOption {
type = types.nullOr types.port;
default = null;
description = mdDoc "Port that will be used to accept client connections.";
};
uuid = mkOption {
type = types.nullOr types.str;
default = null;
description = mdDoc ''
A UUID for uniquely identifying the endpoint. If you have
multiple renderers on your network, you MUST set this.
'';
};
};
config = mkIf cfg.enable {
systemd = {
services.gmediarender = {
after = [ "network-online.target" ];
wantedBy = [ "multi-user.target" ];
description = "gmediarender server daemon";
environment = {
XDG_CACHE_HOME = "%t/gmediarender";
};
serviceConfig = {
DynamicUser = true;
User = "gmediarender";
Group = "gmediarender";
SupplementaryGroups = [ "audio" ];
ExecStart =
"${cfg.package}/bin/gmediarender " +
optionalString (cfg.audioDevice != null) ("--gstout-audiodevice=${utils.escapeSystemdExecArg cfg.audioDevice} ") +
optionalString (cfg.audioSink != null) ("--gstout-audiosink=${utils.escapeSystemdExecArg cfg.audioSink} ") +
optionalString (cfg.friendlyName != null) ("--friendly-name=${utils.escapeSystemdExecArg cfg.friendlyName} ") +
optionalString (cfg.initialVolume != 0) ("--initial-volume=${toString cfg.initialVolume} ") +
optionalString (cfg.port != null) ("--port=${toString cfg.port} ") +
optionalString (cfg.uuid != null) ("--uuid=${utils.escapeSystemdExecArg cfg.uuid} ");
Restart = "always";
RuntimeDirectory = "gmediarender";
# Security options:
CapabilityBoundingSet = "";
LockPersonality = true;
MemoryDenyWriteExecute = true;
NoNewPrivileges = true;
# PrivateDevices = true;
PrivateTmp = true;
PrivateUsers = true;
ProcSubset = "pid";
ProtectClock = true;
ProtectControlGroups = true;
ProtectHome = true;
ProtectHostname = true;
ProtectKernelLogs = true;
ProtectKernelModules = true;
ProtectKernelTunables = true;
ProtectProc = "invisible";
RestrictNamespaces = true;
RestrictRealtime = true;
RestrictSUIDSGID = true;
SystemCallArchitectures = "native";
SystemCallFilter = [ "@system-service" "~@privileged" ];
UMask = 066;
};
};
};
};
}