# Copyright (C) 2019-2020 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 os import unittest from vyos.configsession import ConfigSession from netifaces import ifaddresses, AF_INET, AF_INET6 from vyos.validate import is_intf_addr_assigned, is_ipv6_link_local from vyos.interfaces import list_interfaces_of_type class BasicInterfaceTest: class BaseTest(unittest.TestCase): def setUp(self): self.session = ConfigSession(os.getpid()) self._test_addr = ['192.0.2.1/26', '192.0.2.255/31', '192.0.2.64/32', '2001:db8:1::ffff/64', '2001:db8:101::1/112'] self._test_mtu = False def tearDown(self): # we should not remove ethernet from the overall CLI if 'ethernet' in self._base_path: self.session.delete(self._base_path) for intf in self._interfaces: self.session.set(self._base_path + [intf]) else: self.session.delete(self._base_path) self.session.commit() del self.session def test_add_description(self): """ Check if description can be added to interface """ for intf in self._interfaces: test_string='Description-Test-{}'.format(intf) self.session.set(self._base_path + [intf, 'description', test_string]) self.session.commit() # Validate interface description for intf in self._interfaces: test_string='Description-Test-{}'.format(intf) with open('/sys/class/net/{}/ifalias'.format(intf), 'r') as f: tmp = f.read().rstrip() self.assertTrue(tmp, test_string) def test_add_address(self): """ Check if IPv4/IPv6 addresses can be added to interface. """ # Add address for intf in self._interfaces: for addr in self._test_addr: self.session.set(self._base_path + [intf, 'address', addr]) self.session.commit() # Validate address for intf in self._interfaces: for af in AF_INET, AF_INET6: for addr in ifaddresses(intf)[af]: # checking link local addresses makes no sense if is_ipv6_link_local(addr['addr']): continue self.assertTrue(is_intf_addr_assigned(intf, addr['addr'])) def test_change_mtu(self): """ Check if MTU can be changed on interface. Test MTU size will be 1400 bytes. """ if self._test_mtu is False: return None # choose a MTU which works on every interface mtu = '1400' for intf in self._interfaces: self.session.set(self._base_path + [intf, 'mtu', mtu]) self.session.commit() # Validate interface description for intf in self._interfaces: with open('/sys/class/net/{}/mtu'.format(intf), 'r') as f: tmp = f.read().rstrip() self.assertTrue(tmp == mtu)