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test_interfaces_bonding.py
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test_interfaces_bonding.py
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#!/usr/bin/env python3
#
# Copyright (C) 2020-2023 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 vyos.ifconfig import Section
from vyos.ifconfig.interface import Interface
from vyos.configsession import ConfigSessionError
from vyos.utils.network import get_interface_config
from vyos.utils.file import read_file
class BondingInterfaceTest(BasicInterfaceTest.TestCase):
@classmethod
def setUpClass(cls):
cls._base_path = ['interfaces', 'bonding']
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', vlan=False):
cls._members.append(tmp)
cls._options = {'bond0' : []}
for member in cls._members:
cls._options['bond0'].append(f'member interface {member}')
cls._interfaces = list(cls._options)
# call base-classes classmethod
super(BondingInterfaceTest, cls).setUpClass()
def test_add_single_ip_address(self):
super().test_add_single_ip_address()
for interface in self._interfaces:
slaves = read_file(f'/sys/class/net/{interface}/bonding/slaves').split()
self.assertListEqual(slaves, self._members)
def test_vif_8021q_interfaces(self):
super().test_vif_8021q_interfaces()
for interface in self._interfaces:
slaves = read_file(f'/sys/class/net/{interface}/bonding/slaves').split()
self.assertListEqual(slaves, self._members)
def test_bonding_remove_member(self):
# T2515: when removing a bond member the previously enslaved/member
# interface must be in its former admin-up/down state. Here we ensure
# that it is admin-up as it was admin-up before.
# configure member interfaces
for interface in self._interfaces:
for option in self._options.get(interface, []):
self.cli_set(self._base_path + [interface] + option.split())
self.cli_commit()
# remove single bond member port
for interface in self._interfaces:
remove_member = self._members[0]
self.cli_delete(self._base_path + [interface, 'member', 'interface', remove_member])
self.cli_commit()
# removed member port must be admin-up
for interface in self._interfaces:
remove_member = self._members[0]
state = Interface(remove_member).get_admin_state()
self.assertEqual('up', state)
def test_bonding_min_links(self):
# configure member interfaces
min_links = len(self._interfaces)
for interface in self._interfaces:
for option in self._options.get(interface, []):
self.cli_set(self._base_path + [interface] + option.split())
self.cli_set(self._base_path + [interface, 'min-links', str(min_links)])
self.cli_commit()
# verify config
for interface in self._interfaces:
tmp = get_interface_config(interface)
self.assertEqual(min_links, tmp['linkinfo']['info_data']['min_links'])
# check LACP default rate
self.assertEqual('slow', tmp['linkinfo']['info_data']['ad_lacp_rate'])
def test_bonding_lacp_rate(self):
# configure member interfaces
lacp_rate = 'fast'
for interface in self._interfaces:
for option in self._options.get(interface, []):
self.cli_set(self._base_path + [interface] + option.split())
self.cli_set(self._base_path + [interface, 'lacp-rate', lacp_rate])
self.cli_commit()
# verify config
for interface in self._interfaces:
tmp = get_interface_config(interface)
# check LACP minimum links (default value)
self.assertEqual(0, tmp['linkinfo']['info_data']['min_links'])
self.assertEqual(lacp_rate, tmp['linkinfo']['info_data']['ad_lacp_rate'])
def test_bonding_hash_policy(self):
# Define available bonding hash policies
hash_policies = ['layer2', 'layer2+3', 'encap2+3', 'encap3+4']
for hash_policy in hash_policies:
for interface in self._interfaces:
for option in self._options.get(interface, []):
self.cli_set(self._base_path + [interface] + option.split())
self.cli_set(self._base_path + [interface, 'hash-policy', hash_policy])
self.cli_commit()
# verify config
for interface in self._interfaces:
defined_policy = read_file(f'/sys/class/net/{interface}/bonding/xmit_hash_policy').split()
self.assertEqual(defined_policy[0], hash_policy)
def test_bonding_mii_monitoring_interval(self):
for interface in self._interfaces:
for option in self._options.get(interface, []):
self.cli_set(self._base_path + [interface] + option.split())
self.cli_commit()
# verify default
for interface in self._interfaces:
tmp = read_file(f'/sys/class/net/{interface}/bonding/miimon').split()
self.assertIn('100', tmp)
mii_mon = '250'
for interface in self._interfaces:
self.cli_set(self._base_path + [interface, 'mii-mon-interval', mii_mon])
self.cli_commit()
# verify new CLI value
for interface in self._interfaces:
tmp = read_file(f'/sys/class/net/{interface}/bonding/miimon').split()
self.assertIn(mii_mon, tmp)
def test_bonding_multi_use_member(self):
# Define available bonding hash policies
for interface in ['bond10', 'bond20']:
for member in self._members:
self.cli_set(self._base_path + [interface, 'member', 'interface', member])
# check validate() - can not use the same member interfaces multiple times
with self.assertRaises(ConfigSessionError):
self.cli_commit()
self.cli_delete(self._base_path + ['bond20'])
self.cli_commit()
def test_bonding_source_interface(self):
# Re-use member interface that is already a source-interface
bond = 'bond99'
pppoe = 'pppoe98756'
member = next(iter(self._members))
self.cli_set(self._base_path + [bond, 'member', 'interface', member])
self.cli_set(['interfaces', 'pppoe', pppoe, 'source-interface', member])
# check validate() - can not add interface to bond, it is the source-interface of ...
with self.assertRaises(ConfigSessionError):
self.cli_commit()
self.cli_delete(['interfaces', 'pppoe', pppoe])
self.cli_commit()
# verify config
slaves = read_file(f'/sys/class/net/{bond}/bonding/slaves').split()
self.assertIn(member, slaves)
def test_bonding_source_bridge_interface(self):
# Re-use member interface that is already a source-interface
bond = 'bond1097'
bridge = 'br6327'
member = next(iter(self._members))
self.cli_set(self._base_path + [bond, 'member', 'interface', member])
self.cli_set(['interfaces', 'bridge', bridge, 'member', 'interface', member])
# check validate() - can not add interface to bond, it is a member of bridge ...
with self.assertRaises(ConfigSessionError):
self.cli_commit()
self.cli_delete(['interfaces', 'bridge', bridge])
self.cli_commit()
# verify config
slaves = read_file(f'/sys/class/net/{bond}/bonding/slaves').split()
self.assertIn(member, slaves)
def test_bonding_uniq_member_description(self):
ethernet_path = ['interfaces', 'ethernet']
for interface in self._interfaces:
for option in self._options.get(interface, []):
self.cli_set(self._base_path + [interface] + option.split())
self.cli_commit()
# Add any changes on bonding members
# For example add description on separate ethX interfaces
for interface in self._interfaces:
for member in self._members:
self.cli_set(ethernet_path + [member, 'description', member + '_interface'])
self.cli_commit()
# verify config
for interface in self._interfaces:
slaves = read_file(f'/sys/class/net/{interface}/bonding/slaves').split()
for member in self._members:
self.assertIn(member, slaves)
if __name__ == '__main__':
unittest.main(verbosity=2)

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