#!/usr/bin/env python3 # # Copyright (C) 2020 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 process_named_running from vyos.util import read_file PROCESS_NAME = 'dhcrelay' RELAY_CONF = '/run/dhcp-relay/dhcrelay.conf' base_path = ['service', 'dhcp-relay'] class TestServiceDHCPRelay(VyOSUnitTestSHIM.TestCase): def tearDown(self): self.cli_delete(base_path) self.cli_commit() def test_relay_default(self): max_size = '800' hop_count = '20' agents_packets = 'append' servers = ['192.0.2.1', '192.0.2.2'] self.cli_set(base_path + ['interface', 'lo']) # check validate() - DHCP relay does not support the loopback interface with self.assertRaises(ConfigSessionError): self.cli_commit() self.cli_delete(base_path + ['interface', 'lo']) # activate DHCP relay on all ethernet interfaces for tmp in Section.interfaces("ethernet"): self.cli_set(base_path + ['interface', tmp]) # check validate() - No DHCP relay server(s) configured with self.assertRaises(ConfigSessionError): self.cli_commit() for server in servers: self.cli_set(base_path + ['server', server]) self.cli_set(base_path + ['relay-options', 'max-size', max_size]) self.cli_set(base_path + ['relay-options', 'hop-count', hop_count]) self.cli_set(base_path + ['relay-options', 'relay-agents-packets', agents_packets]) # commit changes self.cli_commit() # Check configured port config = read_file(RELAY_CONF) # Test configured relay interfaces for tmp in Section.interfaces("ethernet"): self.assertIn(f'-i {tmp}', config) # Test relay servers for server in servers: self.assertIn(f' {server}', config) # Test max-size self.assertIn(f'-A {max_size}', config) # Hop count self.assertIn(f'-c {hop_count}', config) # relay-agents-packets self.assertIn(f'-a -m {agents_packets}', config) # Check for running process self.assertTrue(process_named_running(PROCESS_NAME)) def test_relay_interfaces(self): max_size = '800' hop_count = '20' agents_packets = 'append' servers = ['192.0.2.1', '192.0.2.2'] listen_iface = 'eth0' up_iface = 'eth1' self.cli_set(base_path + ['interface', up_iface]) self.cli_set(base_path + ['listen-interface', listen_iface]) # check validate() - backward interface plus listen_interface with self.assertRaises(ConfigSessionError): self.cli_commit() self.cli_delete(base_path + ['interface']) self.cli_set(base_path + ['upstream-interface', up_iface]) for server in servers: self.cli_set(base_path + ['server', server]) # commit changes self.cli_commit() # Check configured port config = read_file(RELAY_CONF) # Test configured relay interfaces self.assertIn(f'-id {listen_iface}', config) self.assertIn(f'-iu {up_iface}', config) # Test relay servers for server in servers: self.assertIn(f' {server}', config) # Check for running process self.assertTrue(process_named_running(PROCESS_NAME)) if __name__ == '__main__': unittest.main(verbosity=2)