#!/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 os import unittest from base_interfaces_test import BasicInterfaceTest from glob import glob from netifaces import interfaces from vyos.ifconfig import Section from vyos.util import cmd import json class BridgeInterfaceTest(BasicInterfaceTest.BaseTest): def setUp(self): super().setUp() self._test_ipv6 = True self._test_vlan = True self._test_qinq = True self._test_mirror = True self._base_path = ['interfaces', 'bridge'] self._interfaces = ['br0'] self._members = [] # we need to filter out VLAN interfaces identified by a dot (.) # in their name - just in case! if 'TEST_ETH' in os.environ: self._members = os.environ['TEST_ETH'].split() else: for tmp in Section.interfaces("ethernet"): if not '.' in tmp: self._members.append(tmp) self.session.set(['interfaces','dummy','dum0']) self.session.set(['interfaces','dummy','dum1']) self.session.set(['interfaces','bonding','bond1','member','interface','dum0']) self.session.set(['interfaces','bonding','bond1','member','interface','dum1']) self._members.append('bond1') self._options['br0'] = [] for member in self._members: self._options['br0'].append(f'member interface {member}') def tearDown(self): self.session.delete(['interfaces','bonding']) self.session.delete(['interfaces','dummy']) super().tearDown() def test_add_remove_member(self): """ Add member interfaces to bridge and set STP cost/priority """ for interface in self._interfaces: base = self._base_path + [interface] self.session.set(base + ['stp']) self.session.set(base + ['address', '192.0.2.1/24']) cost = 1000 priority = 10 # assign members to bridge interface for member in self._members: base_member = base + ['member', 'interface', member] self.session.set(base_member + ['cost', str(cost)]) self.session.set(base_member + ['priority', str(priority)]) cost += 1 priority += 1 # commit config self.session.commit() # check member interfaces are added on the bridge bridge_members = [] for tmp in glob(f'/sys/class/net/{interface}/lower_*'): bridge_members.append(os.path.basename(tmp).replace('lower_', '')) for member in self._members: self.assertIn(member, bridge_members) # delete all members for interface in self._interfaces: self.session.delete(self._base_path + [interface, 'member']) self.session.commit() def test_vlan_filter(self): """ Add member interface to bridge and set VLAN filter """ for interface in self._interfaces: base = self._base_path + [interface] self.session.set(base + ['vif', '1','address', '192.0.2.1/24']) self.session.set(base + ['vif', '2','address','192.0.3.1/24']) vlan_id = 101 allowed_vlan = 2 allowed_vlan_range = '4-9' # assign members to bridge interface for member in self._members: base_member = base + ['member', 'interface', member] self.session.set(base_member + ['allowed-vlan', str(allowed_vlan)]) self.session.set(base_member + ['allowed-vlan', allowed_vlan_range]) self.session.set(base_member + ['native-vlan', str(vlan_id)]) vlan_id += 1 # commit config self.session.commit() # Detect the vlan filter function for interface in self._interfaces: with open(f'/sys/class/net/{interface}/bridge/vlan_filtering', 'r') as f: flags = f.read() self.assertEqual(int(flags), 1) # Execute the program to obtain status information json_data = cmd('bridge -j vlan show', shell=True) vlan_filter_status = None vlan_filter_status = json.loads(json_data) if vlan_filter_status is not None: for interface_status in vlan_filter_status: ifname = interface_status['ifname'] for interface in self._members: vlan_success = 0; if interface == ifname: vlans_status = interface_status['vlans'] for vlan_status in vlans_status: vlan_id = vlan_status['vlan'] flag_num = 0 if 'flags' in vlan_status: flags = vlan_status['flags'] for flag in flags: flag_num = flag_num +1 if vlan_id == 2: if flag_num == 0: vlan_success = vlan_success + 1 else: for id in range(4,10): if vlan_id == id: if flag_num == 0: vlan_success = vlan_success + 1 if vlan_id >= 101: if flag_num == 2: vlan_success = vlan_success + 1 if vlan_success >= 7: self.assertTrue(True) else: self.assertTrue(False) else: self.assertTrue(False) # check member interfaces are added on the bridge for interface in self._interfaces: bridge_members = [] for tmp in glob(f'/sys/class/net/{interface}/lower_*'): bridge_members.append(os.path.basename(tmp).replace('lower_', '')) for member in self._members: self.assertIn(member, bridge_members) # delete all members for interface in self._interfaces: self.session.delete(self._base_path + [interface, 'member']) self.session.commit() def test_vlan_members(self): """ T2945: ensure that VIFs are not dropped from bridge """ self.session.set(['interfaces', 'ethernet', 'eth0', 'vif', '300']) self.session.set(['interfaces', 'bridge', 'br0', 'member', 'interface', 'eth0.300']) self.session.commit() # member interface must be assigned to the bridge self.assertTrue(os.path.exists('/sys/class/net/br0/lower_eth0.300')) # add second bridge member self.session.set(['interfaces', 'ethernet', 'eth0', 'vif', '400']) self.session.commit() # member interface must still be assigned to the bridge self.assertTrue(os.path.exists('/sys/class/net/br0/lower_eth0.300')) # remove VLAN interfaces self.session.delete(['interfaces', 'ethernet', 'eth0', 'vif', '300']) self.session.delete(['interfaces', 'ethernet', 'eth0', 'vif', '400']) self.session.commit() if __name__ == '__main__': unittest.main()