# Module for MiniDLNA, a simple DLNA server. { config, lib, pkgs, ... }: with lib; let cfg = config.services.minidlna; port = 8200; in { ###### interface options = { services.minidlna.enable = mkOption { type = types.bool; default = false; description = '' Whether to enable MiniDLNA, a simple DLNA server. It serves media files such as video and music to DLNA client devices such as televisions and media players. ''; }; services.minidlna.mediaDirs = mkOption { type = types.listOf types.string; default = []; example = [ "/data/media" "V,/home/alice/video" ]; description = '' Directories to be scanned for media files. The prefixes <literal>A,</literal>, <literal>V,</literal> and <literal>P,</literal> restrict a directory to audio, video or image files. The directories must be accessible to the <literal>minidlna</literal> user account. ''; }; services.minidlna.config = mkOption { type = types.lines; description = "The contents of MiniDLNA's configuration file."; }; }; ###### implementation config = mkIf cfg.enable { services.minidlna.config = '' port=${toString port} friendly_name=NixOS Media Server db_dir=/var/cache/minidlna log_dir=/var/log/minidlna inotify=yes ${concatMapStrings (dir: '' media_dir=${dir} '') cfg.mediaDirs} ''; users.extraUsers.minidlna = { description = "MiniDLNA daemon user"; group = "minidlna"; uid = config.ids.uids.minidlna; }; users.extraGroups.minidlna.gid = config.ids.gids.minidlna; systemd.services.minidlna = { description = "MiniDLNA Server"; wantedBy = [ "multi-user.target" ]; after = [ "network.target" "local-fs.target" ]; preStart = '' mkdir -p /var/cache/minidlna /var/log/minidlna /run/minidlna chown minidlna /var/cache/minidlna /var/log/minidlna /run/minidlna ''; # FIXME: log through the journal rather than # /var/log/minidlna. The -d flag does that, but also raises # the log level to debug... serviceConfig = { User = "minidlna"; Group = "nogroup"; PermissionsStartOnly = true; Type = "forking"; PIDFile = "/run/minidlna/pid"; ExecStart = "@${pkgs.minidlna}/sbin/minidlna minidlna -P /run/minidlna/pid" + " -f ${pkgs.writeText "minidlna.conf" cfg.config}"; }; }; }; }