nixpkgs/nixos/modules/services/audio/liquidsoap.nix

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2014-11-20 23:30:24 +01:00
{ config, lib, pkgs, ... }:
with lib;
let
streams = builtins.attrNames config.services.liquidsoap.streams;
streamService =
name:
let stream = builtins.getAttr name config.services.liquidsoap.streams; in
{ inherit name;
value = {
after = [ "network-online.target" "sound.target" ];
description = "${name} liquidsoap stream";
wantedBy = [ "multi-user.target" ];
path = [ pkgs.wget ];
preStart =
''
mkdir -p /var/log/liquidsoap
chown liquidsoap -R /var/log/liquidsoap
'';
serviceConfig = {
PermissionsStartOnly="true";
ExecStart = "${pkgs.liquidsoap}/bin/liquidsoap ${stream}";
User = "liquidsoap";
};
};
};
in
{
##### interface
options = {
services.liquidsoap.streams = mkOption {
description =
''
Set of Liquidsoap streams to start,
one systemd service per stream.
'';
default = {};
example = {
myStream1 = literalExample "\"/etc/liquidsoap/myStream1.liq\"";
myStream2 = literalExample "./myStream2.liq";
myStream3 = literalExample "\"out(playlist(\\\"/srv/music/\\\"))\"";
2014-11-20 23:30:24 +01:00
};
type = types.attrsOf (types.either types.path types.str);
};
};
##### implementation
config = mkIf (builtins.length streams != 0) {
users.extraUsers.liquidsoap = {
uid = config.ids.uids.liquidsoap;
group = "liquidsoap";
extraGroups = [ "audio" ];
description = "Liquidsoap streaming user";
home = "/var/lib/liquidsoap";
createHome = true;
};
users.extraGroups.liquidsoap.gid = config.ids.gids.liquidsoap;
systemd.services = builtins.listToAttrs ( map streamService streams );
};
}