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#!/usr/bin/python3
#
# Integration tests for complex networking scenarios
# (ie. mixes of various features, may test real live cases)
#
# These need to be run in a VM and do change the system
# configuration.
#
# Copyright (C) 2018-2021 Canonical, Ltd.
# Author: Mathieu Trudel-Lapierre <mathieu.trudel-lapierre@canonical.com>
# Author: Lukas Märdian <slyon@ubuntu.com>
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; version 3.
#
# 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 shutil
import sys
import subprocess
import tempfile
import unittest
from base import IntegrationTestsBase, test_backends
class _CommonTests():
def test_mix_bridge_on_bond(self):
self.setup_eth('ra-only')
self.addCleanup(subprocess.call, ['ip', 'link', 'delete', 'bond0'], stderr=subprocess.DEVNULL)
self.addCleanup(subprocess.call, ['ip', 'link', 'delete', 'br0'], stderr=subprocess.DEVNULL)
with open(self.config, 'w') as f:
f.write('''network:
renderer: %(r)s
bridges:
br0:
interfaces: [bond0]
addresses: ['192.168.0.2/24']
bonds:
bond0:
interfaces: [ethb2]
parameters:
mode: balance-rr
ethernets:
ethbn:
match: {name: %(ec)s}
ethb2:
match: {name: %(e2c)s}
''' % {'r': self.backend, 'ec': self.dev_e_client, 'e2c': self.dev_e2_client})
self.generate_and_settle([self.dev_e_client, self.dev_e2_client, 'br0', 'bond0'])
self.assert_iface_up(self.dev_e2_client, ['master bond0'], ['inet ']) # wokeignore:rule=master
self.assert_iface_up('bond0', ['master br0']) # wokeignore:rule=master
self.assert_iface('br0', ['inet 192.168.0.2/24'])
with open('/sys/class/net/bond0/bonding/slaves') as f: # wokeignore:rule=slave
result = f.read().strip()
self.assertIn(self.dev_e2_client, result)
def test_mix_vlan_on_bridge_on_bond(self):
self.setup_eth('ra-only')
self.addCleanup(subprocess.call, ['ip', 'link', 'delete', 'bond0'], stderr=subprocess.DEVNULL)
self.addCleanup(subprocess.call, ['ip', 'link', 'delete', 'br0'], stderr=subprocess.DEVNULL)
self.addCleanup(subprocess.call, ['ip', 'link', 'delete', 'br1'], stderr=subprocess.DEVNULL)
with open(self.config, 'w') as f:
f.write('''network:
renderer: %(r)s
version: 2
vlans:
vlan1:
link: 'br0'
id: 1
addresses: [ '10.10.10.1/24' ]
bridges:
br0:
interfaces: ['bond0', 'vlan2']
parameters:
stp: false
path-cost:
bond0: 1000
vlan2: 2000
bonds:
bond0:
interfaces: ['br1']
parameters:
mode: balance-rr
bridges:
br1:
interfaces: ['ethb2']
vlans:
vlan2:
link: ethbn
id: 2
ethernets:
ethbn:
match: {name: %(ec)s}
ethb2:
match: {name: %(e2c)s}
''' % {'r': self.backend, 'ec': self.dev_e_client, 'e2c': self.dev_e2_client})
self.generate_and_settle([self.dev_e_client, self.dev_e2_client, 'br0', 'br1', 'bond0', 'vlan1', 'vlan2'])
self.assert_iface_up('vlan1', ['vlan1@br0'])
self.assert_iface_up('vlan2', ['vlan2@' + self.dev_e_client, 'master br0']) # wokeignore:rule=master
self.assert_iface_up(self.dev_e2_client, ['master br1'], ['inet ']) # wokeignore:rule=master
self.assert_iface_up('bond0', ['master br0']) # wokeignore:rule=master
# https://bugs.launchpad.net/netplan/+bug/1943120
def test_remove_virtual_interfaces(self):
tempdir = tempfile.mkdtemp()
self.addCleanup(shutil.rmtree, tempdir)
self.addCleanup(subprocess.call, ['ip', 'link', 'delete', 'br54'], stderr=subprocess.DEVNULL)
confdir = os.path.join(tempdir, 'etc', 'netplan')
os.makedirs(confdir)
with open(self.config, 'w') as f:
f.write('''network:
renderer: %(r)s
version: 2
bridges:
br54:
addresses: [1.2.3.4/24]''' % {'r': self.backend})
self.generate_and_settle(['br54'])
self.assert_iface('br54', ['inet 1.2.3.4/24'])
# backup the current YAML state (incl. br54)
shutil.copytree('/etc/netplan', confdir, dirs_exist_ok=True)
# drop br54 interface
subprocess.check_call(['netplan', 'set', 'network.bridges.br54.addresses=null'])
self.generate_and_settle([], state_dir=tempdir)
res = subprocess.run(['ip', 'link', 'show', 'dev', 'br54'], capture_output=True, text=True)
self.assertIn('not exist', res.stderr)
# https://bugs.launchpad.net/netplan/+bug/2083029
def test_netplan_try_lp2083029(self):
self.setup_eth(None)
with open(self.config, 'w') as f:
f.write('''network:
renderer: %(r)s
ethernets:
%(e2c)s:
dhcp4: yes''' % {'r': self.backend, 'e2c': self.dev_e2_client})
self.generate_and_settle([self.state_dhcp4(self.dev_e2_client)])
self.assert_iface_up(self.dev_e2_client,
['inet 192.168.6.[0-9]+/24'])
with open(self.config, 'w') as f:
f.write('''network:
renderer: %(r)s
ethernets:
%(e2c)s:
dhcp4: false
addresses: [192.168.6.201/24]''' % {'r': self.backend, 'e2c': self.dev_e2_client})
def assert_static_ip():
self.assert_iface_up(self.dev_e2_client,
['inet 192.168.6.201/24'])
self.try_and_settle(assert_static_ip,
wait_interfaces_try=[
self.state(self.dev_e2_client, "inet 192.168.6.201"),
],
wait_interfaces_after=[
# Use "dynamic" instead of state_dhcp4 since
# state_dhcp4 will match our static address.
self.state(self.dev_e2_client, "dynamic"),
])
self.assert_file_permissions()
self.assert_iface_up(self.dev_e2_client,
expected_ip_a=['inet 192.168.6.[0-9]+/24'],
unexpected_ip_a=['inet 192.168.6.201/24'])
@unittest.skipIf("networkd" not in test_backends,
"skipping as networkd backend tests are disabled")
class TestNetworkd(IntegrationTestsBase, _CommonTests):
backend = 'networkd'
@unittest.skipIf("NetworkManager" not in test_backends,
"skipping as NetworkManager backend tests are disabled")
class TestNetworkManager(IntegrationTestsBase, _CommonTests):
backend = 'NetworkManager'
unittest.main(testRunner=unittest.TextTestRunner(stream=sys.stdout, verbosity=2))
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