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#!/usr/bin/env python3
#
# Copyright (C) 2020-2021 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 os
import json
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
from vyos.util import read_file
from vyos.util import get_interface_config
from vyos.validate import is_intf_addr_assigned
class BridgeInterfaceTest(BasicInterfaceTest.TestCase):
@classmethod
def setUpClass(cls):
cls._test_ip = True
cls._test_ipv6 = True
cls._test_ipv6_pd = True
cls._test_ipv6_dhcpc6 = True
cls._test_vlan = True
cls._base_path = ['interfaces', 'bridge']
cls._mirror_interfaces = ['dum21354']
cls._members = []
# we need to filter out VLAN interfaces identified by a dot (.)
# in their name - just in case!
if 'TEST_ETH' in os.environ:
cls._members = os.environ['TEST_ETH'].split()
else:
for tmp in Section.interfaces('ethernet'):
if not '.' in tmp:
cls._members.append(tmp)
cls._options['br0'] = []
for member in cls._members:
cls._options['br0'].append(f'member interface {member}')
cls._interfaces = list(cls._options)
# call base-classes classmethod
super(cls, cls).setUpClass()
def tearDown(self):
for intf in self._interfaces:
self.cli_delete(self._base_path + [intf])
super().tearDown()
def test_isolated_interfaces(self):
# Add member interfaces to bridge and set STP cost/priority
for interface in self._interfaces:
base = self._base_path + [interface]
self.cli_set(base + ['stp'])
# assign members to bridge interface
for member in self._members:
base_member = base + ['member', 'interface', member]
self.cli_set(base_member + ['isolated'])
# commit config
self.cli_commit()
for interface in self._interfaces:
tmp = get_interface_config(interface)
# STP must be enabled as configured above
self.assertEqual(1, tmp['linkinfo']['info_data']['stp_state'])
# validate member interface configuration
for member in self._members:
tmp = get_interface_config(member)
# Isolated must be enabled as configured above
self.assertTrue(tmp['linkinfo']['info_slave_data']['isolated'])
def test_add_remove_bridge_member(self):
# Add member interfaces to bridge and set STP cost/priority
for interface in self._interfaces:
base = self._base_path + [interface]
self.cli_set(base + ['stp'])
self.cli_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.cli_set(base_member + ['cost', str(cost)])
self.cli_set(base_member + ['priority', str(priority)])
cost += 1
priority += 1
# commit config
self.cli_commit()
# Add member interfaces to bridge and set STP cost/priority
for interface in self._interfaces:
cost = 1000
priority = 10
for member in self._members:
tmp = get_interface_config(member)
self.assertEqual(interface, tmp['master'])
self.assertFalse( tmp['linkinfo']['info_slave_data']['isolated'])
self.assertEqual(cost, tmp['linkinfo']['info_slave_data']['cost'])
self.assertEqual(priority, tmp['linkinfo']['info_slave_data']['priority'])
cost += 1
priority += 1
def test_vif_8021q_interfaces(self):
for interface in self._interfaces:
base = self._base_path + [interface]
self.cli_set(base + ['enable-vlan'])
super().test_vif_8021q_interfaces()
def test_vif_8021q_lower_up_down(self):
for interface in self._interfaces:
base = self._base_path + [interface]
self.cli_set(base + ['enable-vlan'])
super().test_vif_8021q_lower_up_down()
def test_vif_qos_change(self):
for interface in self._interfaces:
base = self._base_path + [interface]
self.cli_set(base + ['enable-vlan'])
super().test_vif_qos_change()
def test_bridge_vlan_filter(self):
vif_vlan = 2
# Add member interface to bridge and set VLAN filter
for interface in self._interfaces:
base = self._base_path + [interface]
self.cli_set(base + ['enable-vlan'])
self.cli_set(base + ['address', '192.0.2.1/24'])
self.cli_set(base + ['vif', str(vif_vlan), 'address', '192.0.3.1/24'])
self.cli_set(base + ['vif', str(vif_vlan), 'mtu', self._mtu])
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.cli_set(base_member + ['allowed-vlan', str(allowed_vlan)])
self.cli_set(base_member + ['allowed-vlan', allowed_vlan_range])
self.cli_set(base_member + ['native-vlan', str(vlan_id)])
vlan_id += 1
# commit config
self.cli_commit()
# Detect the vlan filter function
for interface in self._interfaces:
tmp = read_file(f'/sys/class/net/{interface}/bridge/vlan_filtering')
self.assertEqual(tmp, '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.cli_delete(self._base_path + [interface, 'member'])
def test_bridge_vlan_members(self):
# T2945: ensure that VIFs are not dropped from bridge
vifs = ['300', '400']
for interface in self._interfaces:
for member in self._members:
for vif in vifs:
self.cli_set(['interfaces', 'ethernet', member, 'vif', vif])
self.cli_set(['interfaces', 'bridge', interface, 'member', 'interface', f'{member}.{vif}'])
self.cli_commit()
# Verify config
for interface in self._interfaces:
for member in self._members:
for vif in vifs:
# member interface must be assigned to the bridge
self.assertTrue(os.path.exists(f'/sys/class/net/{interface}/lower_{member}.{vif}'))
# delete all members
for interface in self._interfaces:
for member in self._members:
for vif in vifs:
self.cli_delete(['interfaces', 'ethernet', member, 'vif', vif])
self.cli_delete(['interfaces', 'bridge', interface, 'member', 'interface', f'{member}.{vif}'])
if __name__ == '__main__':
unittest.main(verbosity=2)
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