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#!/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 <http://www.gnu.org/licenses/>.
import os
import unittest
from base_interfaces_test import BasicInterfaceTest
from glob import glob
from netifaces import interfaces
from vyos.ifconfig import Section
class BridgeInterfaceTest(BasicInterfaceTest.BaseTest):
def setUp(self):
super().setUp()
self._test_ipv6 = 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._options['br0'] = []
for member in self._members:
self._options['br0'].append(f'member interface {member}')
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_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()
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