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# This file is part of cloud-init. See LICENSE file for license information.
from unittest import mock
import pytest
from cloudinit import safeyaml
from cloudinit.net import network_state
from cloudinit.tests.helpers import CiTestCase
netstate_path = 'cloudinit.net.network_state'
_V1_CONFIG_NAMESERVERS = """\
network:
version: 1
config:
- type: nameserver
interface: {iface}
address:
- 192.168.1.1
- 8.8.8.8
search:
- spam.local
- type: nameserver
address:
- 192.168.1.0
- 4.4.4.4
search:
- eggs.local
- type: physical
name: eth0
mac_address: '00:11:22:33:44:55'
- type: physical
name: eth1
mac_address: '66:77:88:99:00:11'
"""
V1_CONFIG_NAMESERVERS_VALID = _V1_CONFIG_NAMESERVERS.format(iface='eth1')
V1_CONFIG_NAMESERVERS_INVALID = _V1_CONFIG_NAMESERVERS.format(iface='eth90')
V2_CONFIG_NAMESERVERS = """\
network:
version: 2
ethernets:
eth0:
match:
macaddress: '00:11:22:33:44:55'
nameservers:
search: [spam.local, eggs.local]
addresses: [8.8.8.8]
eth1:
match:
macaddress: '66:77:88:99:00:11'
nameservers:
search: [foo.local, bar.local]
addresses: [4.4.4.4]
"""
class TestNetworkStateParseConfig(CiTestCase):
def setUp(self):
super(TestNetworkStateParseConfig, self).setUp()
nsi_path = netstate_path + '.NetworkStateInterpreter'
self.add_patch(nsi_path, 'm_nsi')
def test_missing_version_returns_none(self):
ncfg = {}
self.assertEqual(None, network_state.parse_net_config_data(ncfg))
def test_unknown_versions_returns_none(self):
ncfg = {'version': 13.2}
self.assertEqual(None, network_state.parse_net_config_data(ncfg))
def test_version_2_passes_self_as_config(self):
ncfg = {'version': 2, 'otherconfig': {}, 'somemore': [1, 2, 3]}
network_state.parse_net_config_data(ncfg)
self.assertEqual([mock.call(version=2, config=ncfg)],
self.m_nsi.call_args_list)
def test_valid_config_gets_network_state(self):
ncfg = {'version': 2, 'otherconfig': {}, 'somemore': [1, 2, 3]}
result = network_state.parse_net_config_data(ncfg)
self.assertNotEqual(None, result)
def test_empty_v1_config_gets_network_state(self):
ncfg = {'version': 1, 'config': []}
result = network_state.parse_net_config_data(ncfg)
self.assertNotEqual(None, result)
def test_empty_v2_config_gets_network_state(self):
ncfg = {'version': 2}
result = network_state.parse_net_config_data(ncfg)
self.assertNotEqual(None, result)
class TestNetworkStateParseConfigV2(CiTestCase):
def test_version_2_ignores_renderer_key(self):
ncfg = {'version': 2, 'renderer': 'networkd', 'ethernets': {}}
nsi = network_state.NetworkStateInterpreter(version=ncfg['version'],
config=ncfg)
nsi.parse_config(skip_broken=False)
self.assertEqual(ncfg, nsi.as_dict()['config'])
class TestNetworkStateParseNameservers:
def _parse_network_state_from_config(self, config):
yaml = safeyaml.load(config)
return network_state.parse_net_config_data(yaml['network'])
def test_v1_nameservers_valid(self):
config = self._parse_network_state_from_config(
V1_CONFIG_NAMESERVERS_VALID)
# If an interface was specified, DNS shouldn't be in the global list
assert ['192.168.1.0', '4.4.4.4'] == sorted(
config.dns_nameservers)
assert ['eggs.local'] == config.dns_searchdomains
# If an interface was specified, DNS should be part of the interface
for iface in config.iter_interfaces():
if iface['name'] == 'eth1':
assert iface['dns']['addresses'] == ['192.168.1.1', '8.8.8.8']
assert iface['dns']['search'] == ['spam.local']
else:
assert 'dns' not in iface
def test_v1_nameservers_invalid(self):
with pytest.raises(ValueError):
self._parse_network_state_from_config(
V1_CONFIG_NAMESERVERS_INVALID)
def test_v2_nameservers(self):
config = self._parse_network_state_from_config(V2_CONFIG_NAMESERVERS)
# Ensure DNS defined on interface exists on interface
for iface in config.iter_interfaces():
if iface['name'] == 'eth0':
assert iface['dns'] == {
'nameservers': ['8.8.8.8'],
'search': ['spam.local', 'eggs.local'],
}
else:
assert iface['dns'] == {
'nameservers': ['4.4.4.4'],
'search': ['foo.local', 'bar.local']
}
# Ensure DNS defined on interface also exists globally (since there
# is no global DNS definitions in v2)
assert ['4.4.4.4', '8.8.8.8'] == sorted(config.dns_nameservers)
assert [
'bar.local',
'eggs.local',
'foo.local',
'spam.local',
] == sorted(config.dns_searchdomains)
# vi: ts=4 expandtab
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