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#!/usr/bin/python3
#
# Integration tests for netplan-dbus
#
# These need to be run in a VM and do change the system
# configuration.
#
# Copyright (C) 2018-2023 Canonical, Ltd.
# Author: Mathieu Trudel-Lapierre <mathieu.trudel-lapierre@canonical.com>
# Author: Lukas Märdian <slyon@ubuntu.com>
# Author: Danilo Egea Gondolfo <danilo.egea.gondolfo@canonical.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 json
import os
import signal
import sys
import subprocess
import unittest
from base import IntegrationTestsBase
BUSCTL_CONFIG = [
'busctl',
'-j',
'call',
'--system',
'io.netplan.Netplan',
'/io/netplan/Netplan',
'io.netplan.Netplan',
'Config'
]
BUSCTL_CONFIG_GET = [
'busctl',
'-j',
'call',
'--system',
'io.netplan.Netplan',
'PLACEHOLDER',
'io.netplan.Netplan.Config',
'Get'
]
BUSCTL_CONFIG_APPLY = [
'busctl',
'-j',
'call',
'--system',
'io.netplan.Netplan',
'PLACEHOLDER',
'io.netplan.Netplan.Config',
'Apply'
]
class _CommonTests():
def setUp(self):
super().setUp()
# If netplan-dbus is already running let's terminate it to
# be sure the process is not from a binary from an old package
# (before the installation of the one being tested)
cmd = ['ps', '-C', 'netplan-dbus', '-o', 'pid=']
out = subprocess.run(cmd, capture_output=True, text=True)
if out.returncode == 0:
pid = out.stdout.strip()
os.kill(int(pid), signal.SIGTERM)
def test_dbus_config_get(self):
NETPLAN_YAML = '''network:
version: 2
ethernets:
%(nic)s:
dhcp4: true
'''
with open(self.config, 'w') as f:
f.write(NETPLAN_YAML % {'nic': self.dev_e_client})
out = subprocess.run(BUSCTL_CONFIG, capture_output=True, text=True)
self.assertEqual(out.returncode, 0, msg=f"Busctl Config() failed with error: {out.stderr}")
out_dict = json.loads(out.stdout)
config_path = out_dict.get('data')[0]
self.assertNotEqual(config_path, "", msg="Got an empty response from DBUS")
# The path has the following format: /io/netplan/Netplan/config/WM6X01
BUSCTL_CONFIG_GET[5] = config_path
# Retrieving the config
out = subprocess.run(BUSCTL_CONFIG_GET, capture_output=True, text=True)
self.assertEqual(out.returncode, 0, msg=f"Busctl Get() failed with error: {out.stderr}")
out_dict = json.loads(out.stdout)
netplan_data = out_dict.get('data')[0]
self.assertNotEqual(netplan_data, "", msg="Got an empty response from DBUS")
self.assertEqual(netplan_data, NETPLAN_YAML % {'nic': self.dev_e_client},
msg="The original YAML is different from the one returned by DBUS")
def test_dbus_config_set(self):
BUSCTL_CONFIG_SET = [
'busctl',
'-j',
'call',
'--system',
'io.netplan.Netplan',
'PLACEHOLDER',
'io.netplan.Netplan.Config',
'Set',
'ss',
'ethernets.%(nic)s.dhcp4=false' % {'nic': self.dev_e_client},
'',
]
NETPLAN_YAML_BEFORE = '''network:
version: 2
ethernets:
%(nic)s:
dhcp4: true
'''
NETPLAN_YAML_AFTER = '''network:
version: 2
ethernets:
%(nic)s:
dhcp4: false
'''
with open(self.config, 'w') as f:
f.write(NETPLAN_YAML_BEFORE % {'nic': self.dev_e_client})
out = subprocess.run(BUSCTL_CONFIG, capture_output=True, text=True)
self.assertEqual(out.returncode, 0, msg=f"Busctl Config() failed with error: {out.stderr}")
out_dict = json.loads(out.stdout)
config_path = out_dict.get('data')[0]
self.assertNotEqual(config_path, "", msg="Got an empty response from DBUS")
# The path has the following format: /io/netplan/Netplan/config/WM6X01
BUSCTL_CONFIG_GET[5] = config_path
BUSCTL_CONFIG_SET[5] = config_path
BUSCTL_CONFIG_APPLY[5] = config_path
# Changing the configuration
out = subprocess.run(BUSCTL_CONFIG_SET, capture_output=True, text=True)
self.assertEqual(out.returncode, 0, msg=f"Busctl Set() failed with error: {out.stderr}")
out_dict = json.loads(out.stdout)
self.assertEqual(out_dict.get('data')[0], True, msg="Set command failed")
# Retrieving the configuration
out = subprocess.run(BUSCTL_CONFIG_GET, capture_output=True, text=True)
self.assertEqual(out.returncode, 0, msg=f"Busctl Get() failed with error: {out.stderr}")
out_dict = json.loads(out.stdout)
netplan_data = out_dict.get('data')[0]
self.assertNotEqual(netplan_data, "", msg="Got an empty response from DBUS")
self.assertEqual(NETPLAN_YAML_AFTER % {'nic': self.dev_e_client},
netplan_data, msg="The final YAML is different than expected")
# Applying the configuration
out = subprocess.run(BUSCTL_CONFIG_APPLY, capture_output=True, text=True)
self.assertEqual(out.returncode, 0, msg=f"Busctl Apply() failed with error: {out.stderr}")
def test_dbus_config_apply(self):
NETPLAN_YAML = '''network:
version: 2
bridges:
br1234:
dhcp4: false
'''
self.addCleanup(subprocess.call, ['ip', 'link', 'delete', 'br1234'], stderr=subprocess.DEVNULL)
with open(self.config, 'w') as f:
f.write(NETPLAN_YAML)
out = subprocess.run(BUSCTL_CONFIG, capture_output=True, text=True)
self.assertEqual(out.returncode, 0, msg=f"Busctl Config() failed with error: {out.stderr}")
out_dict = json.loads(out.stdout)
config_path = out_dict.get('data')[0]
self.assertNotEqual(config_path, "", msg="Got an empty response from DBUS")
# The path has the following format: /io/netplan/Netplan/config/WM6X01
BUSCTL_CONFIG_APPLY[5] = config_path
# Applying the configuration
out = subprocess.run(BUSCTL_CONFIG_APPLY, capture_output=True, text=True)
self.assertEqual(out.returncode, 0, msg=f"Busctl Apply() failed with error: {out.stderr}")
out_dict = json.loads(out.stdout)
self.assertEqual(out_dict.get('data')[0], True, msg="Apply command failed")
self.assert_iface('br1234')
class TestNetworkd(IntegrationTestsBase, _CommonTests):
pass
unittest.main(testRunner=unittest.TextTestRunner(stream=sys.stdout, verbosity=2))
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