nixpkgs/nixos/modules/services/audio/mopidy.nix
2014-07-28 19:52:32 +02:00

108 lines
2.5 KiB
Nix

{ config, lib, pkgs, ... }:
with pkgs;
with lib;
let
uid = config.ids.uids.mopidy;
gid = config.ids.gids.mopidy;
cfg = config.services.mopidy;
mopidyConf = writeText "mopidy.conf" cfg.configuration;
mopidyLauncher = stdenv.mkDerivation {
name = "mopidy-launcher";
phases = [ "installPhase" ];
buildInputs = [ makeWrapper python ];
installPhase = ''
mkdir -p $out/bin
ln -s ${mopidy}/bin/mopidy $out/bin/mopidy
wrapProgram $out/bin/mopidy \
--prefix PYTHONPATH : \
"${concatStringsSep ":" (map (p: "$(toPythonPath ${p})") cfg.extensionPackages)}"
'';
};
in {
options = {
services.mopidy = {
enable = mkOption {
default = false;
type = types.bool;
description = ''
Whether to enable Mopidy, a music player daemon.
'';
};
dataDir = mkOption {
default = "/var/lib/mopidy";
type = types.str;
description = ''
The directory where Mopidy stores its state.
'';
};
extensionPackages = mkOption {
default = [];
type = types.listOf types.package;
example = [ mopidy-spotify ];
description = ''
Mopidy extensions that should be loaded by the service.
'';
};
configuration = mkOption {
type = types.lines;
description = ''
The configuration that Mopidy should use.
'';
};
extraConfigFiles = mkOption {
default = [];
type = types.listOf types.str;
description = ''
Extra config file read by Mopidy when the service starts.
Later files in the list overrides earlier configuration.
'';
};
};
};
###### implementation
config = mkIf cfg.enable {
systemd.services.mopidy = {
wantedBy = [ "multi-user.target" ];
after = [ "network.target" "sound.target" ];
description = "mopidy music player daemon";
preStart = "mkdir -p ${cfg.dataDir} && chown -R mopidy:mopidy ${cfg.dataDir}";
serviceConfig = {
ExecStart = "${mopidyLauncher}/bin/mopidy --config ${concatStringsSep ":" ([mopidyConf] ++ cfg.extraConfigFiles)}";
User = "mopidy";
PermissionsStartOnly = true;
};
};
users.extraUsers.mopidy = {
inherit uid;
group = "mopidy";
extraGroups = [ "audio" ];
description = "Mopidy daemon user";
home = "${cfg.dataDir}";
};
users.extraGroups.mopidy.gid = gid;
};
}