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mpd: Adjust service definition to systemd

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This commit is contained in:
Rickard Nilsson 2013-01-27 20:21:04 +01:00
parent 27414c4656
commit 45522d0806
1 changed files with 55 additions and 63 deletions
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118
modules/services/audio/mpd.nix
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@ -6,93 +6,85 @@ let
uid = config.ids.uids.mpd;
gid = config.ids.gids.mpd;
cfg = config.services.mpd;
in
mpdConf = pkgs.writeText "mpd.conf" ''
music_directory "${cfg.musicDirectory}"
playlist_directory "${cfg.dataDir}/playlists"
db_file "${cfg.dataDir}/tag_cache"
state_file "${cfg.dataDir}/state"
sticker_file "${cfg.dataDir}/sticker.sql"
log_file "syslog"
user "mpd"
${cfg.extraConfig}
'';
{
in {
###### interface
options = {
options = {
services.mpd = {
services.mpd = {
enable = mkOption {
default = false;
description = ''
Whether to enable the MPD music player daemon (server).
'';
};
Whether to enable MPD, the music player daemon.
'';
};
conffile = mkOption {
default = ''
music_directory "${config.services.mpd.dataDir}/music"
playlist_directory "${config.services.mpd.dataDir}/playlists"
db_file "${config.services.mpd.dataDir}/tag_cache"
state_file "${config.services.mpd.dataDir}/state"
sticker_file "${config.services.mpd.dataDir}/sticker.sql"
log_file "/var/log/mpd.log"
pid_file "/var/run/mpd/mpd.pid"
bind_to_address "localhost"
user "mpd"
'';
description = ''The contents of the MPD configuration file mpd.conf'';
};
musicDirectory = mkOption {
default = "${cfg.dataDir}/music";
description = ''
Extra configuration added to the end of MPD's
configuration file, mpd.conf.
'';
};
extraConfig = mkOption {
default = "";
description = ''
Extra directives added to to the end of MPD's configuration file,
mpd.conf. Basic configuration like file location and uid/gid
is added automatically to the beginning of the file.
'';
};
dataDir = mkOption {
default = "/var/lib/mpd/";
example = "debug";
description = ''
The root directory of the MPD data tree. Contains a tag cache,
playlists and a music/ subdirectory that should contain (or
symlink to) your music collection.
'';
};
The directory where MPD stores its state, tag cache,
playlists etc.
'';
};
};
};
};
};
###### implementation
config = mkIf config.services.mpd.enable {
config = mkIf cfg.enable {
environment.systemPackages = [ pkgs.mpd ];
systemd.services.mpd = {
after = [ "network.target" "sound.target" ];
description = "Music Player Daemon";
wantedBy = [ "multi-user.target" ];
path = [ pkgs.mpd ];
script = "mpd --no-daemon ${mpdConf}";
};
users.extraUsers = singleton
{ name = "mpd";
group = "mpd";
extraGroups = [ "audio" ];
description = "MPD system-wide daemon";
home = "${config.services.mpd.dataDir}";
};
users.extraUsers.mpd = {
inherit uid;
group = "mpd";
extraGroups = [ "audio" ];
description = "Music Player Daemon user";
home = "${cfg.dataDir}";
};
users.extraGroups = singleton
{ name = "mpd";
inherit gid;
};
jobs.mpd =
{ description = "MPD system-wide server";
startOn = "startup";
preStart =
''
mkdir -p /var/run/mpd && chown mpd /var/run/mpd
test -d ${config.services.mpd.dataDir} || \
( mkdir -p --mode 755 ${config.services.mpd.dataDir}/music \
${config.services.mpd.dataDir}/playlists && \
chown -R mpd:mpd ${config.services.mpd.dataDir} )
'';
daemonType = "fork";
exec =
''
${pkgs.mpd}/bin/mpd ${pkgs.writeText "mpd.conf" config.services.mpd.conffile}
'';
};
users.extraGroups.mpd.gid = gid;
};