#!/usr/bin/env python3 # # Copyright (C) 2023 VyOS maintainers and contributors # # This program is free software; you can redistribute it and/or modify # it under the terms of the GNU General Public License version 2 or later as # published by the Free Software Foundation. # # This program is distributed in the hope that it will be useful, # but WITHOUT ANY WARRANTY; without even the implied warranty of # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the # GNU General Public License for more details. # # You should have received a copy of the GNU General Public License # along with this program. If not, see <http://www.gnu.org/licenses/>. import dbus import sys from tabulate import tabulate from vyos.configquery import ConfigTreeQuery from vyos.util import cmd import vyos.opmode def _get_raw_sflow(): bus = dbus.SystemBus() config = ConfigTreeQuery() interfaces = config.values('system sflow interface') servers = config.list_nodes('system sflow server') sflow = bus.get_object('net.sflow.hsflowd', '/net/sflow/hsflowd') sflow_telemetry = dbus.Interface( sflow, dbus_interface='net.sflow.hsflowd.telemetry') agent_address = sflow_telemetry.GetAgent() samples_dropped = int(sflow_telemetry.Get('dropped_samples')) packet_drop_sent = int(sflow_telemetry.Get('event_samples')) samples_packet_sent = int(sflow_telemetry.Get('flow_samples')) samples_counter_sent = int(sflow_telemetry.Get('counter_samples')) datagrams_sent = int(sflow_telemetry.Get('datagrams')) rtmetric_samples = int(sflow_telemetry.Get('rtmetric_samples')) event_samples_suppressed = int(sflow_telemetry.Get('event_samples_suppressed')) samples_suppressed = int(sflow_telemetry.Get('flow_samples_suppressed')) counter_samples_suppressed = int( sflow_telemetry.Get("counter_samples_suppressed")) version = sflow_telemetry.GetVersion() sflow_dict = { 'agent_address': agent_address, 'sflow_interfaces': interfaces, 'sflow_servers': servers, 'counter_samples_sent': samples_counter_sent, 'datagrams_sent': datagrams_sent, 'packet_drop_sent': packet_drop_sent, 'packet_samples_dropped': samples_dropped, 'packet_samples_sent': samples_packet_sent, 'rtmetric_samples': rtmetric_samples, 'event_samples_suppressed': event_samples_suppressed, 'flow_samples_suppressed': samples_suppressed, 'counter_samples_suppressed': counter_samples_suppressed, 'hsflowd_version': version } return sflow_dict def _get_formatted_sflow(data): table = [ ['Agent address', f'{data.get("agent_address")}'], ['sFlow interfaces', f'{data.get("sflow_interfaces", "n/a")}'], ['sFlow servers', f'{data.get("sflow_servers", "n/a")}'], ['Counter samples sent', f'{data.get("counter_samples_sent")}'], ['Datagrams sent', f'{data.get("datagrams_sent")}'], ['Packet samples sent', f'{data.get("packet_samples_sent")}'], ['Packet samples dropped', f'{data.get("packet_samples_dropped")}'], ['Packet drops sent', f'{data.get("packet_drop_sent")}'], ['Packet drops suppressed', f'{data.get("event_samples_suppressed")}'], ['Flow samples suppressed', f'{data.get("flow_samples_suppressed")}'], ['Counter samples suppressed', f'{data.get("counter_samples_suppressed")}'] ] return tabulate(table) def show(raw: bool): config = ConfigTreeQuery() if not config.exists('system sflow'): raise vyos.opmode.UnconfiguredSubsystem( '"system sflow" is not configured!') sflow_data = _get_raw_sflow() if raw: return sflow_data else: return _get_formatted_sflow(sflow_data) if __name__ == '__main__': try: res = vyos.opmode.run(sys.modules[__name__]) if res: print(res) except (ValueError, vyos.opmode.Error) as e: print(e) sys.exit(1)