2014-04-14 16:26:48 +02:00
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{ config, lib, pkgs, ... }:
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2011-12-05 02:51:05 +01:00
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2014-04-14 16:26:48 +02:00
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with lib;
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2011-12-05 02:51:05 +01:00
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let
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2017-02-16 01:17:44 +01:00
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name = "mpd";
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2011-12-05 02:51:05 +01:00
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uid = config.ids.uids.mpd;
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gid = config.ids.gids.mpd;
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2013-01-27 20:21:04 +01:00
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cfg = config.services.mpd;
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2011-12-05 02:51:05 +01:00
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2013-01-27 20:21:04 +01:00
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mpdConf = pkgs.writeText "mpd.conf" ''
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music_directory "${cfg.musicDirectory}"
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2017-08-20 22:34:34 +02:00
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playlist_directory "${cfg.playlistDirectory}"
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2018-06-01 13:37:43 +02:00
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${lib.optionalString (cfg.dbFile != null) ''
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db_file "${cfg.dbFile}"
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''}
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2013-01-27 20:21:04 +01:00
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state_file "${cfg.dataDir}/state"
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sticker_file "${cfg.dataDir}/sticker.sql"
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log_file "syslog"
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2015-03-08 11:12:20 +01:00
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user "${cfg.user}"
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group "${cfg.group}"
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2015-03-14 13:08:22 +01:00
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2015-12-24 00:04:04 +01:00
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${optionalString (cfg.network.listenAddress != "any") ''bind_to_address "${cfg.network.listenAddress}"''}
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2015-03-14 13:08:22 +01:00
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${optionalString (cfg.network.port != 6600) ''port "${toString cfg.network.port}"''}
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2013-01-27 20:21:04 +01:00
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${cfg.extraConfig}
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2014-09-15 00:06:57 +02:00
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'';
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2011-12-05 02:51:05 +01:00
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2013-01-27 20:21:04 +01:00
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in {
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2011-12-05 02:51:05 +01:00
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###### interface
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2014-09-15 00:06:57 +02:00
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options = {
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2011-12-05 02:51:05 +01:00
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2014-09-15 00:06:57 +02:00
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services.mpd = {
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2011-12-05 02:51:05 +01:00
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enable = mkOption {
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2016-09-09 02:45:53 +02:00
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type = types.bool;
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2011-12-05 02:51:05 +01:00
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default = false;
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description = ''
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2013-01-27 20:21:04 +01:00
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Whether to enable MPD, the music player daemon.
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2014-09-15 00:06:57 +02:00
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'';
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};
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2013-01-27 20:21:04 +01:00
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2017-06-30 23:51:42 +02:00
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startWhenNeeded = mkOption {
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type = types.bool;
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default = false;
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description = ''
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If set, <command>mpd</command> is socket-activated; that
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is, instead of having it permanently running as a daemon,
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systemd will start it on the first incoming connection.
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'';
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};
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2013-01-27 20:21:04 +01:00
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musicDirectory = mkOption {
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2016-09-09 02:45:53 +02:00
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type = types.path;
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2013-01-27 20:21:04 +01:00
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default = "${cfg.dataDir}/music";
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2017-08-20 22:34:34 +02:00
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defaultText = ''''${dataDir}/music'';
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2013-01-27 20:21:04 +01:00
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description = ''
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2015-03-08 11:12:20 +01:00
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The directory where mpd reads music from.
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2014-09-15 00:06:57 +02:00
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'';
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};
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2013-01-27 20:21:04 +01:00
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2017-08-20 22:34:34 +02:00
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playlistDirectory = mkOption {
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type = types.path;
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default = "${cfg.dataDir}/playlists";
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defaultText = ''''${dataDir}/playlists'';
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description = ''
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The directory where mpd stores playlists.
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'';
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};
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2013-01-27 20:21:04 +01:00
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extraConfig = mkOption {
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2016-10-23 19:33:41 +02:00
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type = types.lines;
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2014-09-15 00:06:57 +02:00
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default = "";
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2013-01-27 20:21:04 +01:00
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description = ''
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Extra directives added to to the end of MPD's configuration file,
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mpd.conf. Basic configuration like file location and uid/gid
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2017-02-16 01:17:44 +01:00
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is added automatically to the beginning of the file. For available
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options see <literal>man 5 mpd.conf</literal>'.
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2014-09-15 00:06:57 +02:00
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'';
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};
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2011-12-05 02:51:05 +01:00
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dataDir = mkOption {
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2016-09-09 02:45:53 +02:00
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type = types.path;
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2017-02-16 01:17:44 +01:00
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default = "/var/lib/${name}";
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2011-12-05 02:51:05 +01:00
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description = ''
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2013-01-27 20:21:04 +01:00
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The directory where MPD stores its state, tag cache,
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playlists etc.
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2014-09-15 00:06:57 +02:00
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'';
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};
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2015-03-08 11:12:20 +01:00
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user = mkOption {
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2016-09-09 02:45:53 +02:00
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type = types.str;
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2017-02-16 01:17:44 +01:00
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default = name;
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2015-03-08 11:12:20 +01:00
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description = "User account under which MPD runs.";
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};
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group = mkOption {
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2016-09-09 02:45:53 +02:00
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type = types.str;
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2017-02-16 01:17:44 +01:00
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default = name;
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2015-03-08 11:12:20 +01:00
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description = "Group account under which MPD runs.";
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};
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2014-09-15 00:06:57 +02:00
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network = {
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2015-12-24 00:04:04 +01:00
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listenAddress = mkOption {
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2016-09-09 02:45:53 +02:00
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type = types.str;
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2017-01-01 13:46:39 +01:00
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default = "127.0.0.1";
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example = "any";
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2014-09-15 00:06:57 +02:00
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description = ''
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2017-01-01 13:46:39 +01:00
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The address for the daemon to listen on.
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Use <literal>any</literal> to listen on all addresses.
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2014-09-15 00:06:57 +02:00
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'';
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};
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port = mkOption {
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2016-09-09 02:45:53 +02:00
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type = types.int;
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2014-09-15 00:06:57 +02:00
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default = 6600;
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description = ''
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This setting is the TCP port that is desired for the daemon to get assigned
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to.
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'';
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};
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};
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2015-04-10 23:10:14 +02:00
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dbFile = mkOption {
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2018-06-01 13:37:43 +02:00
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type = types.nullOr types.str;
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2015-04-10 23:10:14 +02:00
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default = "${cfg.dataDir}/tag_cache";
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2017-08-20 22:34:34 +02:00
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defaultText = ''''${dataDir}/tag_cache'';
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2015-04-10 23:10:14 +02:00
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description = ''
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2018-06-01 13:37:43 +02:00
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The path to MPD's database. If set to <literal>null</literal> the
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2018-06-03 09:55:26 +02:00
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parameter is omitted from the configuration.
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2015-04-10 23:10:14 +02:00
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'';
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};
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2014-09-15 00:06:57 +02:00
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};
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2011-12-05 02:51:05 +01:00
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2014-09-15 00:06:57 +02:00
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};
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2011-12-05 02:51:05 +01:00
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###### implementation
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2013-01-27 20:21:04 +01:00
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config = mkIf cfg.enable {
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2017-06-30 23:51:42 +02:00
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systemd.sockets.mpd = mkIf cfg.startWhenNeeded {
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description = "Music Player Daemon Socket";
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wantedBy = [ "sockets.target" ];
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listenStreams = [
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"${optionalString (cfg.network.listenAddress != "any") "${cfg.network.listenAddress}:"}${toString cfg.network.port}"
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];
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socketConfig = {
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Backlog = 5;
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KeepAlive = true;
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PassCredentials = true;
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};
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};
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2013-01-27 20:21:04 +01:00
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systemd.services.mpd = {
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after = [ "network.target" "sound.target" ];
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description = "Music Player Daemon";
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2017-06-30 23:51:42 +02:00
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wantedBy = optional (!cfg.startWhenNeeded) "multi-user.target";
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2016-09-09 02:49:09 +02:00
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2017-06-30 17:07:19 +02:00
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preStart = ''
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mkdir -p "${cfg.dataDir}" && chown -R ${cfg.user}:${cfg.group} "${cfg.dataDir}"
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2017-08-20 22:34:34 +02:00
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mkdir -p "${cfg.playlistDirectory}" && chown -R ${cfg.user}:${cfg.group} "${cfg.playlistDirectory}"
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2017-06-30 17:07:19 +02:00
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'';
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2014-12-22 12:20:19 +01:00
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serviceConfig = {
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2015-06-13 23:24:19 +02:00
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User = "${cfg.user}";
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2015-02-10 10:18:54 +01:00
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PermissionsStartOnly = true;
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2016-09-09 02:49:09 +02:00
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ExecStart = "${pkgs.mpd}/bin/mpd --no-daemon ${mpdConf}";
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2017-06-30 23:51:42 +02:00
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Type = "notify";
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LimitRTPRIO = 50;
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LimitRTTIME = "infinity";
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ProtectSystem = true;
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NoNewPrivileges = true;
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ProtectKernelTunables = true;
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ProtectControlGroups = true;
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ProtectKernelModules = true;
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RestrictAddressFamilies = "AF_INET AF_INET6 AF_UNIX AF_NETLINK";
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RestrictNamespaces = true;
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2014-12-22 12:20:19 +01:00
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};
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2013-01-27 20:21:04 +01:00
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};
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2018-06-30 01:58:35 +02:00
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users.users = optionalAttrs (cfg.user == name) (singleton {
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2013-01-27 20:21:04 +01:00
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inherit uid;
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2017-02-16 01:17:44 +01:00
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inherit name;
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2015-03-08 11:12:20 +01:00
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group = cfg.group;
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2013-01-27 20:21:04 +01:00
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extraGroups = [ "audio" ];
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description = "Music Player Daemon user";
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home = "${cfg.dataDir}";
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2015-03-08 11:12:20 +01:00
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});
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2011-12-05 02:51:05 +01:00
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2018-06-30 01:58:35 +02:00
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users.groups = optionalAttrs (cfg.group == name) (singleton {
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2017-02-16 01:17:44 +01:00
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inherit name;
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2015-03-08 11:12:20 +01:00
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gid = gid;
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});
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2011-12-05 02:51:05 +01:00
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};
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}
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