nixos/hosts/architect/modules/jellyfin.nix

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2021-07-13 09:53:22 +01:00
{ config, pkgs, lib, ... }:
with lib;
let
cfg = config.services.jellyfin;
in
{
options = {
services.jellyfin = {
enable = mkEnableOption "Jellyfin Media Server";
user = mkOption {
type = types.str;
default = "jellyfin";
description = "User account under which Jellyfin runs.";
};
package = mkOption {
type = types.package;
default = pkgs.jellyfin;
example = literalExample "pkgs.jellyfin";
description = ''
Jellyfin package to use.
'';
};
group = mkOption {
type = types.str;
default = "jellyfin";
description = "Group under which jellyfin runs.";
};
openFirewall = mkOption {
type = types.bool;
default = false;
description = ''
Open the default ports in the firewall for the media server. The
HTTP/HTTPS ports can be changed in the Web UI, so this option should
only be used if they are unchanged.
'';
};
};
};
config = mkIf cfg.enable {
systemd.services.jellyfin = {
description = "Jellyfin Media Server";
after = [ "network.target" ];
wantedBy = [ "multi-user.target" ];
serviceConfig = rec {
User = cfg.user;
Group = cfg.group;
# Allows access to drm devices for transcoding with hardware acceleration
SupplementaryGroups = [ "video" ];
StateDirectory = "jellyfin";
CacheDirectory = "jellyfin";
ExecStart = "${cfg.package}/bin/jellyfin --datadir '/var/lib/${StateDirectory}' --cachedir '/var/cache/${CacheDirectory}'";
Restart = "on-failure";
# Security options:
NoNewPrivileges = true;
AmbientCapabilities = "";
CapabilityBoundingSet = "";
# ProtectClock= adds DeviceAllow=char-rtc r
# DeviceAllow = [
# "char-drm r"
# "/dev/nvidia0 r"
# "/dev/nvidiactl r"
# "/dev/nvidia-uvm r"
# "/dev/nvidia-uvm-tools r"
# ];
# LockPersonality = true;
#
PrivateTmp = true;
# PrivateUsers = true;
#
# ProtectClock = true;
# ProtectControlGroups = true;
# ProtectHostname = true;
# ProtectKernelLogs = true;
# ProtectKernelModules = true;
# ProtectKernelTunables = true;
#
# RemoveIPC = true;
#
# RestrictNamespaces = true;
# # AF_NETLINK needed because Jellyfin monitors the network connection
# RestrictAddressFamilies = [ "AF_NETLINK" "AF_INET" "AF_INET6" ];
# RestrictRealtime = true;
# RestrictSUIDSGID = true;
#
# SystemCallArchitectures = "native";
# SystemCallErrorNumber = "EPERM";
# SystemCallFilter = [
# "@system-service"
# "~@cpu-emulation" "~@debug" "~@keyring" "~@memlock" "~@obsolete" "~@privileged" "~@setuid"
# ];
};
};
users.users = mkIf (cfg.user == "jellyfin") {
jellyfin = {
group = cfg.group;
isSystemUser = true;
};
};
users.groups = mkIf (cfg.group == "jellyfin") {
jellyfin = {};
};
networking.firewall = mkIf cfg.openFirewall {
# from https://jellyfin.org/docs/general/networking/index.html
allowedTCPPorts = [ 8096 8920 ];
allowedUDPPorts = [ 1900 7359 ];
};
};
meta.maintainers = with lib.maintainers; [ minijackson ];
}