4b518f4aa9
The MemoryDenyWriteExecute systemd option is widely known to be incompatible with nodejs, and causes service crashes as reported in #119687. Fixes #119687.
78 lines
2.2 KiB
Nix
78 lines
2.2 KiB
Nix
{ config, pkgs, lib, ... }:
|
|
|
|
with lib;
|
|
|
|
let
|
|
cfg = config.services.n8n;
|
|
format = pkgs.formats.json {};
|
|
configFile = format.generate "n8n.json" cfg.settings;
|
|
in
|
|
{
|
|
options.services.n8n = {
|
|
|
|
enable = mkEnableOption "n8n server";
|
|
|
|
openFirewall = mkOption {
|
|
type = types.bool;
|
|
default = false;
|
|
description = "Open ports in the firewall for the n8n web interface.";
|
|
};
|
|
|
|
settings = mkOption {
|
|
type = format.type;
|
|
default = {};
|
|
description = ''
|
|
Configuration for n8n, see <link xlink:href="https://docs.n8n.io/reference/configuration.html"/>
|
|
for supported values.
|
|
'';
|
|
};
|
|
|
|
};
|
|
|
|
config = mkIf cfg.enable {
|
|
services.n8n.settings = {
|
|
# We use this to open the firewall, so we need to know about the default at eval time
|
|
port = lib.mkDefault 5678;
|
|
};
|
|
|
|
systemd.services.n8n = {
|
|
description = "N8N service";
|
|
after = [ "network.target" ];
|
|
wantedBy = [ "multi-user.target" ];
|
|
environment = {
|
|
# This folder must be writeable as the application is storing
|
|
# its data in it, so the StateDirectory is a good choice
|
|
N8N_USER_FOLDER = "/var/lib/n8n";
|
|
N8N_CONFIG_FILES = "${configFile}";
|
|
};
|
|
serviceConfig = {
|
|
Type = "simple";
|
|
ExecStart = "${pkgs.n8n}/bin/n8n";
|
|
Restart = "on-failure";
|
|
StateDirectory = "n8n";
|
|
|
|
# Basic Hardening
|
|
NoNewPrivileges = "yes";
|
|
PrivateTmp = "yes";
|
|
PrivateDevices = "yes";
|
|
DevicePolicy = "closed";
|
|
DynamicUser = "true";
|
|
ProtectSystem = "strict";
|
|
ProtectHome = "read-only";
|
|
ProtectControlGroups = "yes";
|
|
ProtectKernelModules = "yes";
|
|
ProtectKernelTunables = "yes";
|
|
RestrictAddressFamilies = "AF_UNIX AF_INET AF_INET6 AF_NETLINK";
|
|
RestrictNamespaces = "yes";
|
|
RestrictRealtime = "yes";
|
|
RestrictSUIDSGID = "yes";
|
|
MemoryDenyWriteExecute = "no"; # v8 JIT requires memory segments to be Writable-Executable.
|
|
LockPersonality = "yes";
|
|
};
|
|
};
|
|
|
|
networking.firewall = mkIf cfg.openFirewall {
|
|
allowedTCPPorts = [ cfg.settings.port ];
|
|
};
|
|
};
|
|
}
|