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|
{ config, pkgs, lib, ... }:
with lib;
let
cfg = config.services.plex;
in
{
options = {
services.plex = {
enable = mkEnableOption "Plex Media Server";
# FIXME: In order for this config option to work, symlinks in the Plex
# package in the Nix store have to be changed to point to this directory.
dataDir = mkOption {
type = types.str;
default = "/var/lib/plex";
description = "The directory where Plex stores its data files.";
};
openFirewall = mkOption {
type = types.bool;
default = false;
description = ''
Open ports in the firewall for the media server
'';
};
user = mkOption {
type = types.str;
default = "plex";
description = "User account under which Plex runs.";
};
group = mkOption {
type = types.str;
default = "plex";
description = "Group under which Plex runs.";
};
managePlugins = mkOption {
type = types.bool;
default = true;
description = ''
If set to true, this option will cause all of the symlinks in Plex's
plugin directory to be removed and symlinks for paths specified in
<option>extraPlugins</option> to be added.
'';
};
extraPlugins = mkOption {
type = types.listOf types.path;
default = [];
description = ''
A list of paths to extra plugin bundles to install in Plex's plugin
directory. Every time the systemd unit for Plex starts up, all of the
symlinks in Plex's plugin directory will be cleared and this module
will symlink all of the paths specified here to that directory. If
this behavior is undesired, set <option>managePlugins</option> to
false.
'';
};
package = mkOption {
type = types.package;
default = pkgs.plex;
defaultText = "pkgs.plex";
description = ''
The Plex package to use. Plex subscribers may wish to use their own
package here, pointing to subscriber-only server versions.
'';
};
};
};
config = mkIf cfg.enable {
# Most of this is just copied from the RPM package's systemd service file.
systemd.services.plex = {
description = "Plex Media Server";
after = [ "network.target" ];
wantedBy = [ "multi-user.target" ];
preStart = ''
test -d "${cfg.dataDir}/Plex Media Server" || {
echo "Creating initial Plex data directory in \"${cfg.dataDir}\"."
mkdir -p "${cfg.dataDir}/Plex Media Server"
chown -R ${cfg.user}:${cfg.group} "${cfg.dataDir}"
}
# Copy the database skeleton files to /var/lib/plex/.skeleton
# See the the Nix expression for Plex's package for more information on
# why this is done.
install --owner ${cfg.user} --group ${cfg.group} -d "${cfg.dataDir}/.skeleton"
for db in "com.plexapp.plugins.library.db"; do
if [ ! -e "${cfg.dataDir}/.skeleton/$db" ]; then
cp "${cfg.package}/usr/lib/plexmediaserver/Resources/base_$db" "${cfg.dataDir}/.skeleton/$db"
fi
chmod u+w "${cfg.dataDir}/.skeleton/$db"
chown ${cfg.user}:${cfg.group} "${cfg.dataDir}/.skeleton/$db"
done
# If managePlugins is enabled, setup symlinks for plugins.
${optionalString cfg.managePlugins ''
echo "Preparing plugin directory."
PLUGINDIR="${cfg.dataDir}/Plex Media Server/Plug-ins"
test -d "$PLUGINDIR" || {
mkdir -p "$PLUGINDIR";
chown ${cfg.user}:${cfg.group} "$PLUGINDIR";
}
echo "Removing old symlinks."
# First, remove all of the symlinks in the directory.
for f in `ls "$PLUGINDIR/"`; do
if [[ -L "$PLUGINDIR/$f" ]]; then
echo "Removing plugin symlink $PLUGINDIR/$f."
rm "$PLUGINDIR/$f"
fi
done
echo "Symlinking plugins."
for path in ${toString cfg.extraPlugins}; do
dest="$PLUGINDIR/$(basename $path)"
if [[ ! -d "$path" ]]; then
echo "Error symlinking plugin from $path: no such directory."
elif [[ -d "$dest" || -L "$dest" ]]; then
echo "Error symlinking plugin from $path to $dest: file or directory already exists."
else
echo "Symlinking plugin at $path..."
ln -s "$path" "$dest"
fi
done
''}
'';
serviceConfig = {
Type = "simple";
User = cfg.user;
Group = cfg.group;
PermissionsStartOnly = "true";
ExecStart = "\"${cfg.package}/usr/lib/plexmediaserver/Plex Media Server\"";
KillSignal = "SIGQUIT";
Restart = "on-failure";
};
environment = {
PLEX_MEDIA_SERVER_APPLICATION_SUPPORT_DIR=cfg.dataDir;
PLEX_MEDIA_SERVER_HOME="${cfg.package}/usr/lib/plexmediaserver";
PLEX_MEDIA_SERVER_MAX_PLUGIN_PROCS="6";
PLEX_MEDIA_SERVER_TMPDIR="/tmp";
LD_LIBRARY_PATH="${cfg.package}/usr/lib/plexmediaserver";
LC_ALL="en_US.UTF-8";
LANG="en_US.UTF-8";
};
};
networking.firewall = mkIf cfg.openFirewall {
allowedTCPPorts = [ 32400 3005 8324 32469 ];
allowedUDPPorts = [ 1900 5353 32410 32412 32413 32414 ];
};
users.users = mkIf (cfg.user == "plex") {
plex = {
group = cfg.group;
uid = config.ids.uids.plex;
};
};
users.groups = mkIf (cfg.group == "plex") {
plex = {
gid = config.ids.gids.plex;
};
};
};
}
|