depot/nixos/modules/services/misc/plex.nix
Luke Granger-Brown 57725ef3ec Squashed 'third_party/nixpkgs/' content from commit 76612b17c0ce
git-subtree-dir: third_party/nixpkgs
git-subtree-split: 76612b17c0ce71689921ca12d9ffdc9c23ce40b2
2024-11-10 23:59:47 +00:00

207 lines
6.4 KiB
Nix

{ config, pkgs, lib, ... }:
with lib;
let
cfg = config.services.plex;
in
{
imports = [
(mkRemovedOptionModule [ "services" "plex" "managePlugins" ] "Please omit or define the option: `services.plex.extraPlugins' instead.")
];
options = {
services.plex = {
enable = mkEnableOption "Plex Media Server";
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.
'';
};
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.
'';
example = literalExpression ''
[
(builtins.path {
name = "Audnexus.bundle";
path = pkgs.fetchFromGitHub {
owner = "djdembeck";
repo = "Audnexus.bundle";
rev = "v0.2.8";
sha256 = "sha256-IWOSz3vYL7zhdHan468xNc6C/eQ2C2BukQlaJNLXh7E=";
};
})
]
'';
};
extraScanners = mkOption {
type = types.listOf types.path;
default = [];
description = ''
A list of paths to extra scanners to install in Plex's scanners
directory.
Every time the systemd unit for Plex starts up, all of the symlinks
in Plex's scanners directory will be cleared and this module will
symlink all of the paths specified here to that directory.
'';
example = literalExpression ''
[
(fetchFromGitHub {
owner = "ZeroQI";
repo = "Absolute-Series-Scanner";
rev = "773a39f502a1204b0b0255903cee4ed02c46fde0";
sha256 = "4l+vpiDdC8L/EeJowUgYyB3JPNTZ1sauN8liFAcK+PY=";
})
]
'';
};
accelerationDevices = mkOption {
type = types.listOf types.str;
default = ["*"];
example = [ "/dev/dri/renderD128" ];
description = ''
A list of device paths to hardware acceleration devices that Plex should
have access to. This is useful when transcoding media files.
The special value `"*"` will allow all devices.
'';
};
package = mkPackageOption pkgs "plex" {
extraDescription = ''
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" ];
serviceConfig = {
Type = "simple";
User = cfg.user;
Group = cfg.group;
# Run the pre-start script with full permissions (the "!" prefix) so it
# can create the data directory if necessary.
ExecStartPre = let
preStartScript = pkgs.writeScript "plex-run-prestart" ''
#!${pkgs.bash}/bin/bash
# Create data directory if it doesn't exist
if ! test -d "$PLEX_DATADIR"; then
echo "Creating initial Plex data directory in: $PLEX_DATADIR"
install -d -m 0755 -o "${cfg.user}" -g "${cfg.group}" "$PLEX_DATADIR"
fi
'';
in
"!${preStartScript}";
ExecStart = "${cfg.package}/bin/plexmediaserver";
KillSignal = "SIGQUIT";
PIDFile = "${cfg.dataDir}/Plex Media Server/plexmediaserver.pid";
Restart = "on-failure";
# Hardening
NoNewPrivileges = true;
PrivateTmp = true;
PrivateDevices = cfg.accelerationDevices == [];
DeviceAllow = mkIf (cfg.accelerationDevices != [] && !lib.elem "*" cfg.accelerationDevices) cfg.accelerationDevices;
ProtectSystem = true;
ProtectHome = true;
ProtectControlGroups = true;
ProtectKernelModules = true;
ProtectKernelTunables = true;
RestrictAddressFamilies = ["AF_UNIX" "AF_INET" "AF_INET6" "AF_NETLINK"];
# This could be made to work if the namespaces needed were known
# RestrictNamespaces = true;
RestrictRealtime = true;
RestrictSUIDSGID = true;
MemoryDenyWriteExecute = true;
LockPersonality = true;
};
environment = {
# Configuration for our FHS userenv script
PLEX_DATADIR=cfg.dataDir;
PLEX_PLUGINS=concatMapStringsSep ":" builtins.toString cfg.extraPlugins;
PLEX_SCANNERS=concatMapStringsSep ":" builtins.toString cfg.extraScanners;
# The following variables should be set by the FHS userenv script:
# PLEX_MEDIA_SERVER_APPLICATION_SUPPORT_DIR
# PLEX_MEDIA_SERVER_HOME
# Allow access to GPU acceleration; the Plex LD_LIBRARY_PATH is added
# by the FHS userenv script.
LD_LIBRARY_PATH="/run/opengl-driver/lib";
PLEX_MEDIA_SERVER_MAX_PLUGIN_PROCS="6";
PLEX_MEDIA_SERVER_TMPDIR="/tmp";
PLEX_MEDIA_SERVER_USE_SYSLOG="true";
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;
};
};
};
}