#!/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 . import unittest from base_vyostest_shim import VyOSUnitTestSHIM from vyos.configsession import ConfigSessionError from vyos.ifconfig import Section from vyos.util import cmd from vyos.util import process_named_running from vyos.util import read_file PROCESS_NAME = 'hsflowd' base_path = ['system', 'sflow'] hsflowd_conf = '/run/sflow/hsflowd.conf' class TestSystemFlowAccounting(VyOSUnitTestSHIM.TestCase): @classmethod def setUpClass(cls): super(TestSystemFlowAccounting, cls).setUpClass() # ensure we can also run this test on a live system - so lets clean # out the current configuration :) cls.cli_delete(cls, base_path) def tearDown(self): # after service removal process must no longer run self.assertTrue(process_named_running(PROCESS_NAME)) self.cli_delete(base_path) self.cli_commit() # after service removal process must no longer run self.assertFalse(process_named_running(PROCESS_NAME)) def test_sflow(self): agent_address = '192.0.2.5' agent_interface = 'eth0' polling = '24' sampling_rate = '128' server = '192.0.2.254' local_server = '127.0.0.1' port = '8192' default_port = '6343' mon_limit = '50' self.cli_set( ['interfaces', 'dummy', 'dum0', 'address', f'{agent_address}/24']) self.cli_set(base_path + ['agent-address', agent_address]) self.cli_set(base_path + ['agent-interface', agent_interface]) # You need to configure at least one interface for sflow with self.assertRaises(ConfigSessionError): self.cli_commit() for interface in Section.interfaces('ethernet'): self.cli_set(base_path + ['interface', interface]) self.cli_set(base_path + ['polling', polling]) self.cli_set(base_path + ['sampling-rate', sampling_rate]) self.cli_set(base_path + ['server', server, 'port', port]) self.cli_set(base_path + ['server', local_server]) self.cli_set(base_path + ['drop-monitor-limit', mon_limit]) # commit changes self.cli_commit() # verify configuration hsflowd = read_file(hsflowd_conf) self.assertIn(f'polling={polling}', hsflowd) self.assertIn(f'sampling={sampling_rate}', hsflowd) self.assertIn(f'agentIP={agent_address}', hsflowd) self.assertIn(f'agent={agent_interface}', hsflowd) self.assertIn(f'collector {{ ip = {server} udpport = {port} }}', hsflowd) self.assertIn(f'collector {{ ip = {local_server} udpport = {default_port} }}', hsflowd) self.assertIn(f'dropmon {{ limit={mon_limit} start=on sw=on hw=off }}', hsflowd) for interface in Section.interfaces('ethernet'): self.assertIn(f'pcap {{ dev={interface} }}', hsflowd) if __name__ == '__main__': unittest.main(verbosity=2)