nixpkgs/nixos/modules/services/torrent/peerflix.nix
pennae fb0e5be843 treewide: add defaultText for options with simple interpolation defaults
adds defaultText for all options that use `cfg.*` values in their
defaults, but only for interpolations with no extra processing (other
than toString where necessary)
2021-12-09 01:13:48 +01:00

72 lines
1.6 KiB
Nix

{ config, lib, options, pkgs, ... }:
with lib;
let
cfg = config.services.peerflix;
opt = options.services.peerflix;
configFile = pkgs.writeText "peerflix-config.json" ''
{
"connections": 50,
"tmp": "${cfg.downloadDir}"
}
'';
in {
###### interface
options.services.peerflix = {
enable = mkOption {
description = "Whether to enable peerflix service.";
default = false;
type = types.bool;
};
stateDir = mkOption {
description = "Peerflix state directory.";
default = "/var/lib/peerflix";
type = types.path;
};
downloadDir = mkOption {
description = "Peerflix temporary download directory.";
default = "${cfg.stateDir}/torrents";
defaultText = literalExpression ''"''${config.${opt.stateDir}}/torrents"'';
type = types.path;
};
};
###### implementation
config = mkIf cfg.enable {
systemd.tmpfiles.rules = [
"d '${cfg.stateDir}' - peerflix - - -"
];
systemd.services.peerflix = {
description = "Peerflix Daemon";
wantedBy = [ "multi-user.target" ];
after = [ "network.target" ];
environment.HOME = cfg.stateDir;
preStart = ''
mkdir -p "${cfg.stateDir}"/{torrents,.config/peerflix-server}
ln -fs "${configFile}" "${cfg.stateDir}/.config/peerflix-server/config.json"
'';
serviceConfig = {
ExecStart = "${pkgs.nodePackages.peerflix-server}/bin/peerflix-server";
User = "peerflix";
};
};
users.users.peerflix = {
isSystemUser = true;
group = "peerflix";
};
users.groups.peerflix = {};
};
}