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# Module for MiniDLNA, a simple DLNA server.
{ config, pkgs, ... }:
with pkgs.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" ];
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}";
};
};
};
}
|