inputs: { config, ... }: { services.prometheus.exporters = { node = { enable = true; enabledCollectors = [ "logind" "systemd" ]; disabledCollectors = [ "textfile" ]; listenAddress = "[${config.topology.mainVpn.currentNodeIP}]"; }; }; networking.firewall.interfaces.${config.topology.mainVpn.interfaceName}.allowedTCPPorts = [ config.services.prometheus.exporters.node.port ]; }