#!/usr/bin/env python3 # # Copyright (C) 2022 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 json import unittest from base_vyostest_shim import VyOSUnitTestSHIM from vyos.utils.process import cmd base_path = ['protocols', 'static', 'arp'] interface = 'eth0' address = '192.0.2.1/24' class TestARP(VyOSUnitTestSHIM.TestCase): @classmethod def setUpClass(cls): super(TestARP, 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) # we need a L2 interface with a L3 address to properly configure ARP entries cls.cli_set(cls, ['interfaces', 'ethernet', interface, 'address', address]) @classmethod def tearDownClass(cls): # cleanuop L2 interface cls.cli_delete(cls, ['interfaces', 'ethernet', interface, 'address', address]) cls.cli_commit(cls) super(TestARP, cls).tearDownClass() def tearDown(self): # delete test config self.cli_delete(base_path) self.cli_commit() def test_static_arp(self): test_data = { '192.0.2.10' : { 'mac' : '00:01:02:03:04:0a' }, '192.0.2.11' : { 'mac' : '00:01:02:03:04:0b' }, '192.0.2.12' : { 'mac' : '00:01:02:03:04:0c' }, '192.0.2.13' : { 'mac' : '00:01:02:03:04:0d' }, '192.0.2.14' : { 'mac' : '00:01:02:03:04:0e' }, '192.0.2.15' : { 'mac' : '00:01:02:03:04:0f' }, } for host, host_config in test_data.items(): self.cli_set(base_path + ['interface', interface, 'address', host, 'mac', host_config['mac']]) self.cli_commit() arp_table = json.loads(cmd('ip -j -4 neigh show')) for host, host_config in test_data.items(): # As we search within a list of hosts we need to mark if it was # found or not. This ensures all hosts from test_data are processed found = False for entry in arp_table: # Other ARP entry - not related to this testcase if entry['dst'] not in list(test_data): continue if entry['dst'] == host: self.assertEqual(entry['lladdr'], host_config['mac']) self.assertEqual(entry['dev'], interface) found = True if found == False: print(entry) self.assertTrue(found) if __name__ == '__main__': unittest.main(verbosity=2)