130 lines
3.7 KiB
Nix
130 lines
3.7 KiB
Nix
{ config, pkgs, lib, ... }:
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with lib;
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let
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cfg = config.services.jellyfin;
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in
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{
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options = {
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services.jellyfin = {
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enable = mkEnableOption "Jellyfin Media Server";
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user = mkOption {
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type = types.str;
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default = "jellyfin";
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description = lib.mdDoc "User account under which Jellyfin runs.";
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};
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package = mkOption {
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type = types.package;
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default = pkgs.jellyfin;
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defaultText = literalExpression "pkgs.jellyfin";
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description = lib.mdDoc ''
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Jellyfin package to use.
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'';
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};
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group = mkOption {
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type = types.str;
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default = "jellyfin";
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description = lib.mdDoc "Group under which jellyfin runs.";
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};
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openFirewall = mkOption {
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type = types.bool;
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default = false;
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description = lib.mdDoc ''
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Open the default ports in the firewall for the media server. The
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HTTP/HTTPS ports can be changed in the Web UI, so this option should
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only be used if they are unchanged.
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'';
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};
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};
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};
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config = mkIf cfg.enable {
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systemd.services.jellyfin = {
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description = "Jellyfin Media Server";
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after = [ "network.target" ];
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wantedBy = [ "multi-user.target" ];
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# This is mostly follows: https://github.com/jellyfin/jellyfin/blob/master/fedora/jellyfin.service
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# Upstream also disable some hardenings when running in LXC, we do the same with the isContainer option
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serviceConfig = rec {
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Type = "simple";
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User = cfg.user;
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Group = cfg.group;
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StateDirectory = "jellyfin";
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StateDirectoryMode = "0700";
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CacheDirectory = "jellyfin";
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CacheDirectoryMode = "0700";
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UMask = "0077";
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WorkingDirectory = "/var/lib/jellyfin";
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ExecStart = "${cfg.package}/bin/jellyfin --datadir '/var/lib/${StateDirectory}' --cachedir '/var/cache/${CacheDirectory}'";
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Restart = "on-failure";
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TimeoutSec = 15;
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SuccessExitStatus = ["0" "143"];
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# Security options:
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NoNewPrivileges = true;
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SystemCallArchitectures = "native";
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# AF_NETLINK needed because Jellyfin monitors the network connection
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RestrictAddressFamilies = [ "AF_UNIX" "AF_INET" "AF_INET6" "AF_NETLINK" ];
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RestrictNamespaces = !config.boot.isContainer;
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RestrictRealtime = true;
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RestrictSUIDSGID = true;
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ProtectControlGroups = !config.boot.isContainer;
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ProtectHostname = true;
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ProtectKernelLogs = !config.boot.isContainer;
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ProtectKernelModules = !config.boot.isContainer;
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ProtectKernelTunables = !config.boot.isContainer;
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LockPersonality = true;
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PrivateTmp = !config.boot.isContainer;
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# needed for hardware accelaration
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PrivateDevices = false;
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PrivateUsers = true;
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RemoveIPC = true;
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SystemCallFilter = [
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"~@clock"
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"~@aio"
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"~@chown"
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"~@cpu-emulation"
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"~@debug"
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"~@keyring"
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"~@memlock"
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"~@module"
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"~@mount"
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"~@obsolete"
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"~@privileged"
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"~@raw-io"
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"~@reboot"
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"~@setuid"
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"~@swap"
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];
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SystemCallErrorNumber = "EPERM";
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};
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};
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users.users = mkIf (cfg.user == "jellyfin") {
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jellyfin = {
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group = cfg.group;
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isSystemUser = true;
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};
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};
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users.groups = mkIf (cfg.group == "jellyfin") {
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jellyfin = {};
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};
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networking.firewall = mkIf cfg.openFirewall {
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# from https://jellyfin.org/docs/general/networking/index.html
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allowedTCPPorts = [ 8096 8920 ];
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allowedUDPPorts = [ 1900 7359 ];
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};
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};
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meta.maintainers = with lib.maintainers; [ minijackson ];
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}
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