# This file is part of cloud-init. See LICENSE file for license information.
import copy
import errno
import httpretty
import mock
import os
import requests
import textwrap
import cloudinit.net as net
from cloudinit.util import ensure_file, write_file, ProcessExecutionError
from cloudinit.tests.helpers import CiTestCase, HttprettyTestCase
from cloudinit import safeyaml as yaml
class TestSysDevPath(CiTestCase):
def test_sys_dev_path(self):
"""sys_dev_path returns a path under SYS_CLASS_NET for a device."""
dev = 'something'
path = 'attribute'
expected = net.SYS_CLASS_NET + dev + '/' + path
self.assertEqual(expected, net.sys_dev_path(dev, path))
def test_sys_dev_path_without_path(self):
"""When path param isn't provided it defaults to empty string."""
dev = 'something'
expected = net.SYS_CLASS_NET + dev + '/'
self.assertEqual(expected, net.sys_dev_path(dev))
class TestReadSysNet(CiTestCase):
with_logs = True
def setUp(self):
super(TestReadSysNet, self).setUp()
sys_mock = mock.patch('cloudinit.net.get_sys_class_path')
self.m_sys_path = sys_mock.start()
self.sysdir = self.tmp_dir() + '/'
self.m_sys_path.return_value = self.sysdir
self.addCleanup(sys_mock.stop)
def test_read_sys_net_strips_contents_of_sys_path(self):
"""read_sys_net strips whitespace from the contents of a sys file."""
content = 'some stuff with trailing whitespace\t\r\n'
write_file(os.path.join(self.sysdir, 'dev', 'attr'), content)
self.assertEqual(content.strip(), net.read_sys_net('dev', 'attr'))
def test_read_sys_net_reraises_oserror(self):
"""read_sys_net raises OSError/IOError when file doesn't exist."""
# Non-specific Exception because versions of python OSError vs IOError.
with self.assertRaises(Exception) as context_manager: # noqa: H202
net.read_sys_net('dev', 'attr')
error = context_manager.exception
self.assertIn('No such file or directory', str(error))
def test_read_sys_net_handles_error_with_on_enoent(self):
"""read_sys_net handles OSError/IOError with on_enoent if provided."""
handled_errors = []
def on_enoent(e):
handled_errors.append(e)
net.read_sys_net('dev', 'attr', on_enoent=on_enoent)
error = handled_errors[0]
self.assertIsInstance(error, Exception)
self.assertIn('No such file or directory', str(error))
def test_read_sys_net_translates_content(self):
"""read_sys_net translates content when translate dict is provided."""
content = "you're welcome\n"
write_file(os.path.join(self.sysdir, 'dev', 'attr'), content)
translate = {"you're welcome": 'de nada'}
self.assertEqual(
'de nada',
net.read_sys_net('dev', 'attr', translate=translate))
def test_read_sys_net_errors_on_translation_failures(self):
"""read_sys_net raises a KeyError and logs details on failure."""
content = "you're welcome\n"
write_file(os.path.join(self.sysdir, 'dev', 'attr'), content)
with self.assertRaises(KeyError) as context_manager:
net.read_sys_net('dev', 'attr', translate={})
error = context_manager.exception
self.assertEqual('"you\'re welcome"', str(error))
self.assertIn(
"Found unexpected (not translatable) value 'you're welcome' in "
"'{0}dev/attr".format(self.sysdir),
self.logs.getvalue())
def test_read_sys_net_handles_handles_with_onkeyerror(self):
"""read_sys_net handles translation errors calling on_keyerror."""
content = "you're welcome\n"
write_file(os.path.join(self.sysdir, 'dev', 'attr'), content)
handled_errors = []
def on_keyerror(e):
handled_errors.append(e)
net.read_sys_net('dev', 'attr', translate={}, on_keyerror=on_keyerror)
error = handled_errors[0]
self.assertIsInstance(error, KeyError)
self.assertEqual('"you\'re welcome"', str(error))
def test_read_sys_net_safe_false_on_translate_failure(self):
"""read_sys_net_safe returns False on translation failures."""
content = "you're welcome\n"
write_file(os.path.join(self.sysdir, 'dev', 'attr'), content)
self.assertFalse(net.read_sys_net_safe('dev', 'attr', translate={}))
def test_read_sys_net_safe_returns_false_on_noent_failure(self):
"""read_sys_net_safe returns False on file not found failures."""
self.assertFalse(net.read_sys_net_safe('dev', 'attr'))
def test_read_sys_net_int_returns_none_on_error(self):
"""read_sys_net_safe returns None on failures."""
self.assertFalse(net.read_sys_net_int('dev', 'attr'))
def test_read_sys_net_int_returns_none_on_valueerror(self):
"""read_sys_net_safe returns None when content is not an int."""
write_file(os.path.join(self.sysdir, 'dev', 'attr'), 'NOTINT\n')
self.assertFalse(net.read_sys_net_int('dev', 'attr'))
def test_read_sys_net_int_returns_integer_from_content(self):
"""read_sys_net_safe returns None on failures."""
write_file(os.path.join(self.sysdir, 'dev', 'attr'), '1\n')
self.assertEqual(1, net.read_sys_net_int('dev', 'attr'))
def test_is_up_true(self):
"""is_up is True if sys/net/devname/operstate is 'up' or 'unknown'."""
for state in ['up', 'unknown']:
write_file(os.path.join(self.sysdir, 'eth0', 'operstate'), state)
self.assertTrue(net.is_up('eth0'))
def test_is_up_false(self):
"""is_up is False if sys/net/devname/operstate is 'down' or invalid."""
for state in ['down', 'incomprehensible']:
write_file(os.path.join(self.sysdir, 'eth0', 'operstate'), state)
self.assertFalse(net.is_up('eth0'))
def test_is_wireless(self):
"""is_wireless is True when /sys/net/devname/wireless exists."""
self.assertFalse(net.is_wireless('eth0'))
ensure_file(os.path.join(self.sysdir, 'eth0', 'wireless'))
self.assertTrue(net.is_wireless('eth0'))
def test_is_bridge(self):
"""is_bridge is True when /sys/net/devname/bridge exists."""
self.assertFalse(net.is_bridge('eth0'))
ensure_file(os.path.join(self.sysdir, 'eth0', 'bridge'))
self.assertTrue(net.is_bridge('eth0'))
def test_is_bond(self):
"""is_bond is True when /sys/net/devname/bonding exists."""
self.assertFalse(net.is_bond('eth0'))
ensure_file(os.path.join(self.sysdir, 'eth0', 'bonding'))
self.assertTrue(net.is_bond('eth0'))
def test_get_master(self):
"""get_master returns the path when /sys/net/devname/master exists."""
self.assertIsNone(net.get_master('enP1s1'))
master_path = os.path.join(self.sysdir, 'enP1s1', 'master')
ensure_file(master_path)
self.assertEqual(master_path, net.get_master('enP1s1'))
def test_master_is_bridge_or_bond(self):
bridge_mac = 'aa:bb:cc:aa:bb:cc'
bond_mac = 'cc:bb:aa:cc:bb:aa'
# No master => False
write_file(os.path.join(self.sysdir, 'eth1', 'address'), bridge_mac)
write_file(os.path.join(self.sysdir, 'eth2', 'address'), bond_mac)
self.assertFalse(net.master_is_bridge_or_bond('eth1'))
self.assertFalse(net.master_is_bridge_or_bond('eth2'))
# masters without bridge/bonding => False
write_file(os.path.join(self.sysdir, 'br0', 'address'), bridge_mac)
write_file(os.path.join(self.sysdir, 'bond0', 'address'), bond_mac)
os.symlink('../br0', os.path.join(self.sysdir, 'eth1', 'master'))
os.symlink('../bond0', os.path.join(self.sysdir, 'eth2', 'master'))
self.assertFalse(net.master_is_bridge_or_bond('eth1'))
self.assertFalse(net.master_is_bridge_or_bond('eth2'))
# masters with bridge/bonding => True
write_file(os.path.join(self.sysdir, 'br0', 'bridge'), '')
write_file(os.path.join(self.sysdir, 'bond0', 'bonding'), '')
self.assertTrue(net.master_is_bridge_or_bond('eth1'))
self.assertTrue(net.master_is_bridge_or_bond('eth2'))
def test_is_vlan(self):
"""is_vlan is True when /sys/net/devname/uevent has DEVTYPE=vlan."""
ensure_file(os.path.join(self.sysdir, 'eth0', 'uevent'))
self.assertFalse(net.is_vlan('eth0'))
content = 'junk\nDEVTYPE=vlan\njunk\n'
write_file(os.path.join(self.sysdir, 'eth0', 'uevent'), content)
self.assertTrue(net.is_vlan('eth0'))
def test_is_connected_when_physically_connected(self):
"""is_connected is True when /sys/net/devname/iflink reports 2."""
self.assertFalse(net.is_connected('eth0'))
write_file(os.path.join(self.sysdir, 'eth0', 'iflink'), "2")
self.assertTrue(net.is_connected('eth0'))
def test_is_connected_when_wireless_and_carrier_active(self):
"""is_connected is True if wireless /sys/net/devname/carrier is 1."""
self.assertFalse(net.is_connected('eth0'))
ensure_file(os.path.join(self.sysdir, 'eth0', 'wireless'))
self.assertFalse(net.is_connected('eth0'))
write_file(os.path.join(self.sysdir, 'eth0', 'carrier'), "1")
self.assertTrue(net.is_connected('eth0'))
def test_is_physical(self):
"""is_physical is True when /sys/net/devname/device exists."""
self.assertFalse(net.is_physical('eth0'))
ensure_file(os.path.join(self.sysdir, 'eth0', 'device'))
self.assertTrue(net.is_physical('eth0'))
def test_is_present(self):
"""is_present is True when /sys/net/devname exists."""
self.assertFalse(net.is_present('eth0'))
ensure_file(os.path.join(self.sysdir, 'eth0', 'device'))
self.assertTrue(net.is_present('eth0'))
class TestGenerateFallbackConfig(CiTestCase):
def setUp(self):
super(TestGenerateFallbackConfig, self).setUp()
sys_mock = mock.patch('cloudinit.net.get_sys_class_path')
self.m_sys_path = sys_mock.start()
self.sysdir = self.tmp_dir() + '/'
self.m_sys_path.return_value = self.sysdir
self.addCleanup(sys_mock.stop)
self.add_patch('cloudinit.net.util.is_container', 'm_is_container',
return_value=False)
self.add_patch('cloudinit.net.util.udevadm_settle', 'm_settle')
self.add_patch('cloudinit.net.is_netfailover', 'm_netfail',
return_value=False)
self.add_patch('cloudinit.net.is_netfail_master', 'm_netfail_master',
return_value=False)
def test_generate_fallback_finds_connected_eth_with_mac(self):
"""generate_fallback_config finds any connected device with a mac."""
write_file(os.path.join(self.sysdir, 'eth0', 'carrier'), '1')
write_file(os.path.join(self.sysdir, 'eth1', 'carrier'), '1')
mac = 'aa:bb:cc:aa:bb:cc'
write_file(os.path.join(self.sysdir, 'eth1', 'address'), mac)
expected = {
'ethernets': {'eth1': {'match': {'macaddress': mac},
'dhcp4': True, 'set-name': 'eth1'}},
'version': 2}
self.assertEqual(expected, net.generate_fallback_config())
def test_generate_fallback_finds_dormant_eth_with_mac(self):
"""generate_fallback_config finds any dormant device with a mac."""
write_file(os.path.join(self.sysdir, 'eth0', 'dormant'), '1')
mac = 'aa:bb:cc:aa:bb:cc'
write_file(os.path.join(self.sysdir, 'eth0', 'address'), mac)
expected = {
'ethernets': {'eth0': {'match': {'macaddress': mac}, 'dhcp4': True,
'set-name': 'eth0'}},
'version': 2}
self.assertEqual(expected, net.generate_fallback_config())
def test_generate_fallback_finds_eth_by_operstate(self):
"""generate_fallback_config finds any dormant device with a mac."""
mac = 'aa:bb:cc:aa:bb:cc'
write_file(os.path.join(self.sysdir, 'eth0', 'address'), mac)
expected = {
'ethernets': {
'eth0': {'dhcp4': True, 'match': {'macaddress': mac},
'set-name': 'eth0'}},
'version': 2}
valid_operstates = ['dormant', 'down', 'lowerlayerdown', 'unknown']
for state in valid_operstates:
write_file(os.path.join(self.sysdir, 'eth0', 'operstate'), state)
self.assertEqual(expected, net.generate_fallback_config())
write_file(os.path.join(self.sysdir, 'eth0', 'operstate'), 'noworky')
self.assertIsNone(net.generate_fallback_config())
def test_generate_fallback_config_skips_veth(self):
"""generate_fallback_config will skip any veth interfaces."""
# A connected veth which gets ignored
write_file(os.path.join(self.sysdir, 'veth0', 'carrier'), '1')
self.assertIsNone(net.generate_fallback_config())
def test_generate_fallback_config_skips_bridges(self):
"""generate_fallback_config will skip any bridges interfaces."""
# A connected veth which gets ignored
write_file(os.path.join(self.sysdir, 'eth0', 'carrier'), '1')
mac = 'aa:bb:cc:aa:bb:cc'
write_file(os.path.join(self.sysdir, 'eth0', 'address'), mac)
ensure_file(os.path.join(self.sysdir, 'eth0', 'bridge'))
self.assertIsNone(net.generate_fallback_config())
def test_generate_fallback_config_skips_bonds(self):
"""generate_fallback_config will skip any bonded interfaces."""
# A connected veth which gets ignored
write_file(os.path.join(self.sysdir, 'eth0', 'carrier'), '1')
mac = 'aa:bb:cc:aa:bb:cc'
write_file(os.path.join(self.sysdir, 'eth0', 'address'), mac)
ensure_file(os.path.join(self.sysdir, 'eth0', 'bonding'))
self.assertIsNone(net.generate_fallback_config())
def test_generate_fallback_config_skips_netfail_devs(self):
"""gen_fallback_config ignores netfail primary,sby no mac on master."""
mac = 'aa:bb:cc:aa:bb:cc' # netfailover devs share the same mac
for iface in ['ens3', 'ens3sby', 'enP0s1f3']:
write_file(os.path.join(self.sysdir, iface, 'carrier'), '1')
write_file(
os.path.join(self.sysdir, iface, 'addr_assign_type'), '0')
write_file(
os.path.join(self.sysdir, iface, 'address'), mac)
def is_netfail(iface, _driver=None):
# ens3 is the master
if iface == 'ens3':
return False
return True
self.m_netfail.side_effect = is_netfail
def is_netfail_master(iface, _driver=None):
# ens3 is the master
if iface == 'ens3':
return True
return False
self.m_netfail_master.side_effect = is_netfail_master
expected = {
'ethernets': {
'ens3': {'dhcp4': True, 'match': {'name': 'ens3'},
'set-name': 'ens3'}},
'version': 2}
result = net.generate_fallback_config()
self.assertEqual(expected, result)
class TestNetFindFallBackNic(CiTestCase):
with_logs = True
def setUp(self):
super(TestNetFindFallBackNic, self).setUp()
sys_mock = mock.patch('cloudinit.net.get_sys_class_path')
self.m_sys_path = sys_mock.start()
self.sysdir = self.tmp_dir() + '/'
self.m_sys_path.return_value = self.sysdir
self.addCleanup(sys_mock.stop)
self.add_patch('cloudinit.net.util.is_container', 'm_is_container',
return_value=False)
self.add_patch('cloudinit.net.util.udevadm_settle', 'm_settle')
def test_generate_fallback_finds_first_connected_eth_with_mac(self):
"""find_fallback_nic finds any connected device with a mac."""
write_file(os.path.join(self.sysdir, 'eth0', 'carrier'), '1')
write_file(os.path.join(self.sysdir, 'eth1', 'carrier'), '1')
mac = 'aa:bb:cc:aa:bb:cc'
write_file(os.path.join(self.sysdir, 'eth1', 'address'), mac)
self.assertEqual('eth1', net.find_fallback_nic())
class TestGetDeviceList(CiTestCase):
def setUp(self):
super(TestGetDeviceList, self).setUp()
sys_mock = mock.patch('cloudinit.net.get_sys_class_path')
self.m_sys_path = sys_mock.start()
self.sysdir = self.tmp_dir() + '/'
self.m_sys_path.return_value = self.sysdir
self.addCleanup(sys_mock.stop)
def test_get_devicelist_raise_oserror(self):
"""get_devicelist raise any non-ENOENT OSerror."""
error = OSError('Can not do it')
error.errno = errno.EPERM # Set non-ENOENT
self.m_sys_path.side_effect = error
with self.assertRaises(OSError) as context_manager:
net.get_devicelist()
exception = context_manager.exception
self.assertEqual('Can not do it', str(exception))
def test_get_devicelist_empty_without_sys_net(self):
"""get_devicelist returns empty list when missing SYS_CLASS_NET."""
self.m_sys_path.return_value = 'idontexist'
self.assertEqual([], net.get_devicelist())
def test_get_devicelist_empty_with_no_devices_in_sys_net(self):
"""get_devicelist returns empty directoty listing for SYS_CLASS_NET."""
self.assertEqual([], net.get_devicelist())
def test_get_devicelist_lists_any_subdirectories_in_sys_net(self):
"""get_devicelist returns a directory listing for SYS_CLASS_NET."""
write_file(os.path.join(self.sysdir, 'eth0', 'operstate'), 'up')
write_file(os.path.join(self.sysdir, 'eth1', 'operstate'), 'up')
self.assertItemsEqual(['eth0', 'eth1'], net.get_devicelist())
class TestGetInterfaceMAC(CiTestCase):
def setUp(self):
super(TestGetInterfaceMAC, self).setUp()
sys_mock = mock.patch('cloudinit.net.get_sys_class_path')
self.m_sys_path = sys_mock.start()
self.sysdir = self.tmp_dir() + '/'
self.m_sys_path.return_value = self.sysdir
self.addCleanup(sys_mock.stop)
def test_get_interface_mac_false_with_no_mac(self):
"""get_device_list returns False when no mac is reported."""
ensure_file(os.path.join(self.sysdir, 'eth0', 'bonding'))
mac_path = os.path.join(self.sysdir, 'eth0', 'address')
self.assertFalse(os.path.exists(mac_path))
self.assertFalse(net.get_interface_mac('eth0'))
def test_get_interface_mac(self):
"""get_interfaces returns the mac from SYS_CLASS_NET/dev/address."""
mac = 'aa:bb:cc:aa:bb:cc'
write_file(os.path.join(self.sysdir, 'eth1', 'address'), mac)
self.assertEqual(mac, net.get_interface_mac('eth1'))
def test_get_interface_mac_grabs_bonding_address(self):
"""get_interfaces returns the source device mac for bonded devices."""
source_dev_mac = 'aa:bb:cc:aa:bb:cc'
bonded_mac = 'dd:ee:ff:dd:ee:ff'
write_file(os.path.join(self.sysdir, 'eth1', 'address'), bonded_mac)
write_file(
os.path.join(self.sysdir, 'eth1', 'bonding_slave', 'perm_hwaddr'),
source_dev_mac)
self.assertEqual(source_dev_mac, net.get_interface_mac('eth1'))
def test_get_interfaces_empty_list_without_sys_net(self):
"""get_interfaces returns an empty list when missing SYS_CLASS_NET."""
self.m_sys_path.return_value = 'idontexist'
self.assertEqual([], net.get_interfaces())
def test_get_interfaces_by_mac_skips_empty_mac(self):
"""Ignore 00:00:00:00:00:00 addresses from get_interfaces_by_mac."""
empty_mac = '00:00:00:00:00:00'
mac = 'aa:bb:cc:aa:bb:cc'
write_file(os.path.join(self.sysdir, 'eth1', 'address'), empty_mac)
write_file(os.path.join(self.sysdir, 'eth1', 'addr_assign_type'), '0')
write_file(os.path.join(self.sysdir, 'eth2', 'addr_assign_type'), '0')
write_file(os.path.join(self.sysdir, 'eth2', 'address'), mac)
expected = [('eth2', 'aa:bb:cc:aa:bb:cc', None, None)]
self.assertEqual(expected, net.get_interfaces())
def test_get_interfaces_by_mac_skips_missing_mac(self):
"""Ignore interfaces without an address from get_interfaces_by_mac."""
write_file(os.path.join(self.sysdir, 'eth1', 'addr_assign_type'), '0')
address_path = os.path.join(self.sysdir, 'eth1', 'address')
self.assertFalse(os.path.exists(address_path))
mac = 'aa:bb:cc:aa:bb:cc'
write_file(os.path.join(self.sysdir, 'eth2', 'addr_assign_type'), '0')
write_file(os.path.join(self.sysdir, 'eth2', 'address'), mac)
expected = [('eth2', 'aa:bb:cc:aa:bb:cc', None, None)]
self.assertEqual(expected, net.get_interfaces())
def test_get_interfaces_by_mac_skips_master_devs(self):
"""Ignore interfaces with a master device which would have dup mac."""
mac1 = mac2 = 'aa:bb:cc:aa:bb:cc'
write_file(os.path.join(self.sysdir, 'eth1', 'addr_assign_type'), '0')
write_file(os.path.join(self.sysdir, 'eth1', 'address'), mac1)
write_file(os.path.join(self.sysdir, 'eth1', 'master'), "blah")
write_file(os.path.join(self.sysdir, 'eth2', 'addr_assign_type'), '0')
write_file(os.path.join(self.sysdir, 'eth2', 'address'), mac2)
expected = [('eth2', mac2, None, None)]
self.assertEqual(expected, net.get_interfaces())
@mock.patch('cloudinit.net.is_netfailover')
def test_get_interfaces_by_mac_skips_netfailvoer(self, m_netfail):
"""Ignore interfaces if netfailover primary or standby."""
mac = 'aa:bb:cc:aa:bb:cc' # netfailover devs share the same mac
for iface in ['ens3', 'ens3sby', 'enP0s1f3']:
write_file(
os.path.join(self.sysdir, iface, 'addr_assign_type'), '0')
write_file(
os.path.join(self.sysdir, iface, 'address'), mac)
def is_netfail(iface, _driver=None):
# ens3 is the master
if iface == 'ens3':
return False
else:
return True
m_netfail.side_effect = is_netfail
expected = [('ens3', mac, None, None)]
self.assertEqual(expected, net.get_interfaces())
def test_get_interfaces_does_not_skip_phys_members_of_bridges_and_bonds(
self
):
bridge_mac = 'aa:bb:cc:aa:bb:cc'
bond_mac = 'cc:bb:aa:cc:bb:aa'
write_file(os.path.join(self.sysdir, 'br0', 'address'), bridge_mac)
write_file(os.path.join(self.sysdir, 'br0', 'bridge'), '')
write_file(os.path.join(self.sysdir, 'bond0', 'address'), bond_mac)
write_file(os.path.join(self.sysdir, 'bond0', 'bonding'), '')
write_file(os.path.join(self.sysdir, 'eth1', 'address'), bridge_mac)
os.symlink('../br0', os.path.join(self.sysdir, 'eth1', 'master'))
write_file(os.path.join(self.sysdir, 'eth2', 'address'), bond_mac)
os.symlink('../bond0', os.path.join(self.sysdir, 'eth2', 'master'))
interface_names = [interface[0] for interface in net.get_interfaces()]
self.assertEqual(['eth1', 'eth2'], sorted(interface_names))
class TestInterfaceHasOwnMAC(CiTestCase):
def setUp(self):
super(TestInterfaceHasOwnMAC, self).setUp()
sys_mock = mock.patch('cloudinit.net.get_sys_class_path')
self.m_sys_path = sys_mock.start()
self.sysdir = self.tmp_dir() + '/'
self.m_sys_path.return_value = self.sysdir
self.addCleanup(sys_mock.stop)
def test_interface_has_own_mac_false_when_stolen(self):
"""Return False from interface_has_own_mac when address is stolen."""
write_file(os.path.join(self.sysdir, 'eth1', 'addr_assign_type'), '2')
self.assertFalse(net.interface_has_own_mac('eth1'))
def test_interface_has_own_mac_true_when_not_stolen(self):
"""Return False from interface_has_own_mac when mac isn't stolen."""
valid_assign_types = ['0', '1', '3']
assign_path = os.path.join(self.sysdir, 'eth1', 'addr_assign_type')
for _type in valid_assign_types:
write_file(assign_path, _type)
self.assertTrue(net.interface_has_own_mac('eth1'))
def test_interface_has_own_mac_strict_errors_on_absent_assign_type(self):
"""When addr_assign_type is absent, interface_has_own_mac errors."""
with self.assertRaises(ValueError):
net.interface_has_own_mac('eth1', strict=True)
@mock.patch('cloudinit.net.util.subp')
class TestEphemeralIPV4Network(CiTestCase):
with_logs = True
def setUp(self):
super(TestEphemeralIPV4Network, self).setUp()
sys_mock = mock.patch('cloudinit.net.get_sys_class_path')
self.m_sys_path = sys_mock.start()
self.sysdir = self.tmp_dir() + '/'
self.m_sys_path.return_value = self.sysdir
self.addCleanup(sys_mock.stop)
def test_ephemeral_ipv4_network_errors_on_missing_params(self, m_subp):
"""No required params for EphemeralIPv4Network can be None."""
required_params = {
'interface': 'eth0', 'ip': '192.168.2.2',
'prefix_or_mask': '255.255.255.0', 'broadcast': '192.168.2.255'}
for key in required_params.keys():
params = copy.deepcopy(required_params)
params[key] = None
with self.assertRaises(ValueError) as context_manager:
net.EphemeralIPv4Network(**params)
error = context_manager.exception
self.assertIn('Cannot init network on', str(error))
self.assertEqual(0, m_subp.call_count)
def test_ephemeral_ipv4_network_errors_invalid_mask_prefix(self, m_subp):
"""Raise an error when prefix_or_mask is not a netmask or prefix."""
params = {
'interface': 'eth0', 'ip': '192.168.2.2',
'broadcast': '192.168.2.255'}
invalid_masks = ('invalid', 'invalid.', '123.123.123')
for error_val in invalid_masks:
params['prefix_or_mask'] = error_val
with self.assertRaises(ValueError) as context_manager:
with net.EphemeralIPv4Network(**params):
pass
error = context_manager.exception
self.assertIn('Cannot setup network: netmask', str(error))
self.assertEqual(0, m_subp.call_count)
def test_ephemeral_ipv4_network_performs_teardown(self, m_subp):
"""EphemeralIPv4Network performs teardown on the device if setup."""
expected_setup_calls = [
mock.call(
['ip', '-family', 'inet', 'addr', 'add', '192.168.2.2/24',
'broadcast', '192.168.2.255', 'dev', 'eth0'],
capture=True, update_env={'LANG': 'C'}),
mock.call(
['ip', '-family', 'inet', 'link', 'set', 'dev', 'eth0', 'up'],
capture=True)]
expected_teardown_calls = [
mock.call(
['ip', '-family', 'inet', 'link', 'set', 'dev', 'eth0',
'down'], capture=True),
mock.call(
['ip', '-family', 'inet', 'addr', 'del', '192.168.2.2/24',
'dev', 'eth0'], capture=True)]
params = {
'interface': 'eth0', 'ip': '192.168.2.2',
'prefix_or_mask': '255.255.255.0', 'broadcast': '192.168.2.255'}
with net.EphemeralIPv4Network(**params):
self.assertEqual(expected_setup_calls, m_subp.call_args_list)
m_subp.assert_has_calls(expected_teardown_calls)
@mock.patch('cloudinit.net.readurl')
def test_ephemeral_ipv4_no_network_if_url_connectivity(
self, m_readurl, m_subp):
"""No network setup is performed if we can successfully connect to
connectivity_url."""
params = {
'interface': 'eth0', 'ip': '192.168.2.2',
'prefix_or_mask': '255.255.255.0', 'broadcast': '192.168.2.255',
'connectivity_url': 'http://example.org/index.html'}
with net.EphemeralIPv4Network(**params):
self.assertEqual([mock.call('http://example.org/index.html',
timeout=5)], m_readurl.call_args_list)
# Ensure that no teardown happens:
m_subp.assert_has_calls([])
def test_ephemeral_ipv4_network_noop_when_configured(self, m_subp):
"""EphemeralIPv4Network handles exception when address is setup.
It performs no cleanup as the interface was already setup.
"""
params = {
'interface': 'eth0', 'ip': '192.168.2.2',
'prefix_or_mask': '255.255.255.0', 'broadcast': '192.168.2.255'}
m_subp.side_effect = ProcessExecutionError(
'', 'RTNETLINK answers: File exists', 2)
expected_calls = [
mock.call(
['ip', '-family', 'inet', 'addr', 'add', '192.168.2.2/24',
'broadcast', '192.168.2.255', 'dev', 'eth0'],
capture=True, update_env={'LANG': 'C'})]
with net.EphemeralIPv4Network(**params):
pass
self.assertEqual(expected_calls, m_subp.call_args_list)
self.assertIn(
'Skip ephemeral network setup, eth0 already has address',
self.logs.getvalue())
def test_ephemeral_ipv4_network_with_prefix(self, m_subp):
"""EphemeralIPv4Network takes a valid prefix to setup the network."""
params = {
'interface': 'eth0', 'ip': '192.168.2.2',
'prefix_or_mask': '24', 'broadcast': '192.168.2.255'}
for prefix_val in ['24', 16]: # prefix can be int or string
params['prefix_or_mask'] = prefix_val
with net.EphemeralIPv4Network(**params):
pass
m_subp.assert_has_calls([mock.call(
['ip', '-family', 'inet', 'addr', 'add', '192.168.2.2/24',
'broadcast', '192.168.2.255', 'dev', 'eth0'],
capture=True, update_env={'LANG': 'C'})])
m_subp.assert_has_calls([mock.call(
['ip', '-family', 'inet', 'addr', 'add', '192.168.2.2/16',
'broadcast', '192.168.2.255', 'dev', 'eth0'],
capture=True, update_env={'LANG': 'C'})])
def test_ephemeral_ipv4_network_with_new_default_route(self, m_subp):
"""Add the route when router is set and no default route exists."""
params = {
'interface': 'eth0', 'ip': '192.168.2.2',
'prefix_or_mask': '255.255.255.0', 'broadcast': '192.168.2.255',
'router': '192.168.2.1'}
m_subp.return_value = '', '' # Empty response from ip route gw check
expected_setup_calls = [
mock.call(
['ip', '-family', 'inet', 'addr', 'add', '192.168.2.2/24',
'broadcast', '192.168.2.255', 'dev', 'eth0'],
capture=True, update_env={'LANG': 'C'}),
mock.call(
['ip', '-family', 'inet', 'link', 'set', 'dev', 'eth0', 'up'],
capture=True),
mock.call(
['ip', 'route', 'show', '0.0.0.0/0'], capture=True),
mock.call(['ip', '-4', 'route', 'add', '192.168.2.1',
'dev', 'eth0', 'src', '192.168.2.2'], capture=True),
mock.call(
['ip', '-4', 'route', 'add', 'default', 'via',
'192.168.2.1', 'dev', 'eth0'], capture=True)]
expected_teardown_calls = [
mock.call(['ip', '-4', 'route', 'del', 'default', 'dev', 'eth0'],
capture=True),
mock.call(['ip', '-4', 'route', 'del', '192.168.2.1',
'dev', 'eth0', 'src', '192.168.2.2'], capture=True),
]
with net.EphemeralIPv4Network(**params):
self.assertEqual(expected_setup_calls, m_subp.call_args_list)
m_subp.assert_has_calls(expected_teardown_calls)
def test_ephemeral_ipv4_network_with_rfc3442_static_routes(self, m_subp):
params = {
'interface': 'eth0', 'ip': '192.168.2.2',
'prefix_or_mask': '255.255.255.0', 'broadcast': '192.168.2.255',
'static_routes': [('169.254.169.254/32', '192.168.2.1'),
('0.0.0.0/0', '192.168.2.1')],
'router': '192.168.2.1'}
expected_setup_calls = [
mock.call(
['ip', '-family', 'inet', 'addr', 'add', '192.168.2.2/24',
'broadcast', '192.168.2.255', 'dev', 'eth0'],
capture=True, update_env={'LANG': 'C'}),
mock.call(
['ip', '-family', 'inet', 'link', 'set', 'dev', 'eth0', 'up'],
capture=True),
mock.call(
['ip', '-4', 'route', 'add', '169.254.169.254/32',
'via', '192.168.2.1', 'dev', 'eth0'], capture=True),
mock.call(
['ip', '-4', 'route', 'add', '0.0.0.0/0',
'via', '192.168.2.1', 'dev', 'eth0'], capture=True)]
expected_teardown_calls = [
mock.call(
['ip', '-4', 'route', 'del', '0.0.0.0/0',
'via', '192.168.2.1', 'dev', 'eth0'], capture=True),
mock.call(
['ip', '-4', 'route', 'del', '169.254.169.254/32',
'via', '192.168.2.1', 'dev', 'eth0'], capture=True),
mock.call(
['ip', '-family', 'inet', 'link', 'set', 'dev',
'eth0', 'down'], capture=True),
mock.call(
['ip', '-family', 'inet', 'addr', 'del',
'192.168.2.2/24', 'dev', 'eth0'], capture=True)
]
with net.EphemeralIPv4Network(**params):
self.assertEqual(expected_setup_calls, m_subp.call_args_list)
m_subp.assert_has_calls(expected_setup_calls + expected_teardown_calls)
class TestApplyNetworkCfgNames(CiTestCase):
V1_CONFIG = textwrap.dedent("""\
version: 1
config:
- type: physical
name: interface0
mac_address: "52:54:00:12:34:00"
subnets:
- type: static
address: 10.0.2.15
netmask: 255.255.255.0
gateway: 10.0.2.2
""")
V2_CONFIG = textwrap.dedent("""\
version: 2
ethernets:
interface0:
match:
macaddress: "52:54:00:12:34:00"
addresses:
- 10.0.2.15/24
gateway4: 10.0.2.2
set-name: interface0
""")
V2_CONFIG_NO_SETNAME = textwrap.dedent("""\
version: 2
ethernets:
interface0:
match:
macaddress: "52:54:00:12:34:00"
addresses:
- 10.0.2.15/24
gateway4: 10.0.2.2
""")
V2_CONFIG_NO_MAC = textwrap.dedent("""\
version: 2
ethernets:
interface0:
match:
driver: virtio-net
addresses:
- 10.0.2.15/24
gateway4: 10.0.2.2
set-name: interface0
""")
@mock.patch('cloudinit.net.device_devid')
@mock.patch('cloudinit.net.device_driver')
@mock.patch('cloudinit.net._rename_interfaces')
def test_apply_v1_renames(self, m_rename_interfaces, m_device_driver,
m_device_devid):
m_device_driver.return_value = 'virtio_net'
m_device_devid.return_value = '0x15d8'
net.apply_network_config_names(yaml.load(self.V1_CONFIG))
call = ['52:54:00:12:34:00', 'interface0', 'virtio_net', '0x15d8']
m_rename_interfaces.assert_called_with([call])
@mock.patch('cloudinit.net.device_devid')
@mock.patch('cloudinit.net.device_driver')
@mock.patch('cloudinit.net._rename_interfaces')
def test_apply_v2_renames(self, m_rename_interfaces, m_device_driver,
m_device_devid):
m_device_driver.return_value = 'virtio_net'
m_device_devid.return_value = '0x15d8'
net.apply_network_config_names(yaml.load(self.V2_CONFIG))
call = ['52:54:00:12:34:00', 'interface0', 'virtio_net', '0x15d8']
m_rename_interfaces.assert_called_with([call])
@mock.patch('cloudinit.net._rename_interfaces')
def test_apply_v2_renames_skips_without_setname(self, m_rename_interfaces):
net.apply_network_config_names(yaml.load(self.V2_CONFIG_NO_SETNAME))
m_rename_interfaces.assert_called_with([])
@mock.patch('cloudinit.net._rename_interfaces')
def test_apply_v2_renames_skips_without_mac(self, m_rename_interfaces):
net.apply_network_config_names(yaml.load(self.V2_CONFIG_NO_MAC))
m_rename_interfaces.assert_called_with([])
def test_apply_v2_renames_raises_runtime_error_on_unknown_version(self):
with self.assertRaises(RuntimeError):
net.apply_network_config_names(yaml.load("version: 3"))
class TestHasURLConnectivity(HttprettyTestCase):
def setUp(self):
super(TestHasURLConnectivity, self).setUp()
self.url = 'http://fake/'
self.kwargs = {'allow_redirects': True, 'timeout': 5.0}
@mock.patch('cloudinit.net.readurl')
def test_url_timeout_on_connectivity_check(self, m_readurl):
"""A timeout of 5 seconds is provided when reading a url."""
self.assertTrue(
net.has_url_connectivity(self.url), 'Expected True on url connect')
def test_true_on_url_connectivity_success(self):
httpretty.register_uri(httpretty.GET, self.url)
self.assertTrue(
net.has_url_connectivity(self.url), 'Expected True on url connect')
@mock.patch('requests.Session.request')
def test_true_on_url_connectivity_timeout(self, m_request):
"""A timeout raised accessing the url will return False."""
m_request.side_effect = requests.Timeout('Fake Connection Timeout')
self.assertFalse(
net.has_url_connectivity(self.url),
'Expected False on url timeout')
def test_true_on_url_connectivity_failure(self):
httpretty.register_uri(httpretty.GET, self.url, body={}, status=404)
self.assertFalse(
net.has_url_connectivity(self.url), 'Expected False on url fail')
def _mk_v1_phys(mac, name, driver, device_id):
v1_cfg = {'type': 'physical', 'name': name, 'mac_address': mac}
params = {}
if driver:
params.update({'driver': driver})
if device_id:
params.update({'device_id': device_id})
if params:
v1_cfg.update({'params': params})
return v1_cfg
def _mk_v2_phys(mac, name, driver=None, device_id=None):
v2_cfg = {'set-name': name, 'match': {'macaddress': mac}}
if driver:
v2_cfg['match'].update({'driver': driver})
if device_id:
v2_cfg['match'].update({'device_id': device_id})
return v2_cfg
class TestExtractPhysdevs(CiTestCase):
def setUp(self):
super(TestExtractPhysdevs, self).setUp()
self.add_patch('cloudinit.net.device_driver', 'm_driver')
self.add_patch('cloudinit.net.device_devid', 'm_devid')
def test_extract_physdevs_looks_up_driver_v1(self):
driver = 'virtio'
self.m_driver.return_value = driver
physdevs = [
['aa:bb:cc:dd:ee:ff', 'eth0', None, '0x1000'],
]
netcfg = {
'version': 1,
'config': [_mk_v1_phys(*args) for args in physdevs],
}
# insert the driver value for verification
physdevs[0][2] = driver
self.assertEqual(sorted(physdevs),
sorted(net.extract_physdevs(netcfg)))
self.m_driver.assert_called_with('eth0')
def test_extract_physdevs_looks_up_driver_v2(self):
driver = 'virtio'
self.m_driver.return_value = driver
physdevs = [
['aa:bb:cc:dd:ee:ff', 'eth0', None, '0x1000'],
]
netcfg = {
'version': 2,
'ethernets': {args[1]: _mk_v2_phys(*args) for args in physdevs},
}
# insert the driver value for verification
physdevs[0][2] = driver
self.assertEqual(sorted(physdevs),
sorted(net.extract_physdevs(netcfg)))
self.m_driver.assert_called_with('eth0')
def test_extract_physdevs_looks_up_devid_v1(self):
devid = '0x1000'
self.m_devid.return_value = devid
physdevs = [
['aa:bb:cc:dd:ee:ff', 'eth0', 'virtio', None],
]
netcfg = {
'version': 1,
'config': [_mk_v1_phys(*args) for args in physdevs],
}
# insert the driver value for verification
physdevs[0][3] = devid
self.assertEqual(sorted(physdevs),
sorted(net.extract_physdevs(netcfg)))
self.m_devid.assert_called_with('eth0')
def test_extract_physdevs_looks_up_devid_v2(self):
devid = '0x1000'
self.m_devid.return_value = devid
physdevs = [
['aa:bb:cc:dd:ee:ff', 'eth0', 'virtio', None],
]
netcfg = {
'version': 2,
'ethernets': {args[1]: _mk_v2_phys(*args) for args in physdevs},
}
# insert the driver value for verification
physdevs[0][3] = devid
self.assertEqual(sorted(physdevs),
sorted(net.extract_physdevs(netcfg)))
self.m_devid.assert_called_with('eth0')
def test_get_v1_type_physical(self):
physdevs = [
['aa:bb:cc:dd:ee:ff', 'eth0', 'virtio', '0x1000'],
['00:11:22:33:44:55', 'ens3', 'e1000', '0x1643'],
['09:87:65:43:21:10', 'ens0p1', 'mlx4_core', '0:0:1000'],
]
netcfg = {
'version': 1,
'config': [_mk_v1_phys(*args) for args in physdevs],
}
self.assertEqual(sorted(physdevs),
sorted(net.extract_physdevs(netcfg)))
def test_get_v2_type_physical(self):
physdevs = [
['aa:bb:cc:dd:ee:ff', 'eth0', 'virtio', '0x1000'],
['00:11:22:33:44:55', 'ens3', 'e1000', '0x1643'],
['09:87:65:43:21:10', 'ens0p1', 'mlx4_core', '0:0:1000'],
]
netcfg = {
'version': 2,
'ethernets': {args[1]: _mk_v2_phys(*args) for args in physdevs},
}
self.assertEqual(sorted(physdevs),
sorted(net.extract_physdevs(netcfg)))
def test_get_v2_type_physical_skips_if_no_set_name(self):
netcfg = {
'version': 2,
'ethernets': {
'ens3': {
'match': {'macaddress': '00:11:22:33:44:55'},
}
}
}
self.assertEqual([], net.extract_physdevs(netcfg))
def test_runtime_error_on_unknown_netcfg_version(self):
with self.assertRaises(RuntimeError):
net.extract_physdevs({'version': 3, 'awesome_config': []})
class TestWaitForPhysdevs(CiTestCase):
with_logs = True
def setUp(self):
super(TestWaitForPhysdevs, self).setUp()
self.add_patch('cloudinit.net.get_interfaces_by_mac',
'm_get_iface_mac')
self.add_patch('cloudinit.util.udevadm_settle', 'm_udev_settle')
def test_wait_for_physdevs_skips_settle_if_all_present(self):
physdevs = [
['aa:bb:cc:dd:ee:ff', 'eth0', 'virtio', '0x1000'],
['00:11:22:33:44:55', 'ens3', 'e1000', '0x1643'],
]
netcfg = {
'version': 2,
'ethernets': {args[1]: _mk_v2_phys(*args)
for args in physdevs},
}
self.m_get_iface_mac.side_effect = iter([
{'aa:bb:cc:dd:ee:ff': 'eth0',
'00:11:22:33:44:55': 'ens3'},
])
net.wait_for_physdevs(netcfg)
self.assertEqual(0, self.m_udev_settle.call_count)
def test_wait_for_physdevs_calls_udev_settle_on_missing(self):
physdevs = [
['aa:bb:cc:dd:ee:ff', 'eth0', 'virtio', '0x1000'],
['00:11:22:33:44:55', 'ens3', 'e1000', '0x1643'],
]
netcfg = {
'version': 2,
'ethernets': {args[1]: _mk_v2_phys(*args)
for args in physdevs},
}
self.m_get_iface_mac.side_effect = iter([
{'aa:bb:cc:dd:ee:ff': 'eth0'}, # first call ens3 is missing
{'aa:bb:cc:dd:ee:ff': 'eth0',
'00:11:22:33:44:55': 'ens3'}, # second call has both
])
net.wait_for_physdevs(netcfg)
self.m_udev_settle.assert_called_with(exists=net.sys_dev_path('ens3'))
def test_wait_for_physdevs_raise_runtime_error_if_missing_and_strict(self):
physdevs = [
['aa:bb:cc:dd:ee:ff', 'eth0', 'virtio', '0x1000'],
['00:11:22:33:44:55', 'ens3', 'e1000', '0x1643'],
]
netcfg = {
'version': 2,
'ethernets': {args[1]: _mk_v2_phys(*args)
for args in physdevs},
}
self.m_get_iface_mac.return_value = {}
with self.assertRaises(RuntimeError):
net.wait_for_physdevs(netcfg)
self.assertEqual(5 * len(physdevs), self.m_udev_settle.call_count)
def test_wait_for_physdevs_no_raise_if_not_strict(self):
physdevs = [
['aa:bb:cc:dd:ee:ff', 'eth0', 'virtio', '0x1000'],
['00:11:22:33:44:55', 'ens3', 'e1000', '0x1643'],
]
netcfg = {
'version': 2,
'ethernets': {args[1]: _mk_v2_phys(*args)
for args in physdevs},
}
self.m_get_iface_mac.return_value = {}
net.wait_for_physdevs(netcfg, strict=False)
self.assertEqual(5 * len(physdevs), self.m_udev_settle.call_count)
class TestNetFailOver(CiTestCase):
with_logs = True
def setUp(self):
super(TestNetFailOver, self).setUp()
self.add_patch('cloudinit.net.util', 'm_util')
self.add_patch('cloudinit.net.read_sys_net', 'm_read_sys_net')
self.add_patch('cloudinit.net.device_driver', 'm_device_driver')
def test_get_dev_features(self):
devname = self.random_string()
features = self.random_string()
self.m_read_sys_net.return_value = features
self.assertEqual(features, net.get_dev_features(devname))
self.assertEqual(1, self.m_read_sys_net.call_count)
self.assertEqual(mock.call(devname, 'device/features'),
self.m_read_sys_net.call_args_list[0])
def test_get_dev_features_none_returns_empty_string(self):
devname = self.random_string()
self.m_read_sys_net.side_effect = Exception('error')
self.assertEqual('', net.get_dev_features(devname))
self.assertEqual(1, self.m_read_sys_net.call_count)
self.assertEqual(mock.call(devname, 'device/features'),
self.m_read_sys_net.call_args_list[0])
@mock.patch('cloudinit.net.get_dev_features')
def test_has_netfail_standby_feature(self, m_dev_features):
devname = self.random_string()
standby_features = ('0' * 62) + '1' + '0'
m_dev_features.return_value = standby_features
self.assertTrue(net.has_netfail_standby_feature(devname))
@mock.patch('cloudinit.net.get_dev_features')
def test_has_netfail_standby_feature_short_is_false(self, m_dev_features):
devname = self.random_string()
standby_features = self.random_string()
m_dev_features.return_value = standby_features
self.assertFalse(net.has_netfail_standby_feature(devname))
@mock.patch('cloudinit.net.get_dev_features')
def test_has_netfail_standby_feature_not_present_is_false(self,
m_dev_features):
devname = self.random_string()
standby_features = '0' * 64
m_dev_features.return_value = standby_features
self.assertFalse(net.has_netfail_standby_feature(devname))
@mock.patch('cloudinit.net.get_dev_features')
def test_has_netfail_standby_feature_no_features_is_false(self,
m_dev_features):
devname = self.random_string()
standby_features = None
m_dev_features.return_value = standby_features
self.assertFalse(net.has_netfail_standby_feature(devname))
@mock.patch('cloudinit.net.has_netfail_standby_feature')
@mock.patch('cloudinit.net.os.path.exists')
def test_is_netfail_master(self, m_exists, m_standby):
devname = self.random_string()
driver = 'virtio_net'
m_exists.return_value = False # no master sysfs attr
m_standby.return_value = True # has standby feature flag
self.assertTrue(net.is_netfail_master(devname, driver))
@mock.patch('cloudinit.net.sys_dev_path')
def test_is_netfail_master_checks_master_attr(self, m_sysdev):
devname = self.random_string()
driver = 'virtio_net'
m_sysdev.return_value = self.random_string()
self.assertFalse(net.is_netfail_master(devname, driver))
self.assertEqual(1, m_sysdev.call_count)
self.assertEqual(mock.call(devname, path='master'),
m_sysdev.call_args_list[0])
@mock.patch('cloudinit.net.has_netfail_standby_feature')
@mock.patch('cloudinit.net.os.path.exists')
def test_is_netfail_master_wrong_driver(self, m_exists, m_standby):
devname = self.random_string()
driver = self.random_string()
self.assertFalse(net.is_netfail_master(devname, driver))
@mock.patch('cloudinit.net.has_netfail_standby_feature')
@mock.patch('cloudinit.net.os.path.exists')
def test_is_netfail_master_has_master_attr(self, m_exists, m_standby):
devname = self.random_string()
driver = 'virtio_net'
m_exists.return_value = True # has master sysfs attr
self.assertFalse(net.is_netfail_master(devname, driver))
@mock.patch('cloudinit.net.has_netfail_standby_feature')
@mock.patch('cloudinit.net.os.path.exists')
def test_is_netfail_master_no_standby_feat(self, m_exists, m_standby):
devname = self.random_string()
driver = 'virtio_net'
m_exists.return_value = False # no master sysfs attr
m_standby.return_value = False # no standby feature flag
self.assertFalse(net.is_netfail_master(devname, driver))
@mock.patch('cloudinit.net.has_netfail_standby_feature')
@mock.patch('cloudinit.net.os.path.exists')
@mock.patch('cloudinit.net.sys_dev_path')
def test_is_netfail_primary(self, m_sysdev, m_exists, m_standby):
devname = self.random_string()
driver = self.random_string() # device not virtio_net
master_devname = self.random_string()
m_sysdev.return_value = "%s/%s" % (self.random_string(),
master_devname)
m_exists.return_value = True # has master sysfs attr
self.m_device_driver.return_value = 'virtio_net' # master virtio_net
m_standby.return_value = True # has standby feature flag
self.assertTrue(net.is_netfail_primary(devname, driver))
self.assertEqual(1, self.m_device_driver.call_count)
self.assertEqual(mock.call(master_devname),
self.m_device_driver.call_args_list[0])
self.assertEqual(1, m_standby.call_count)
self.assertEqual(mock.call(master_devname),
m_standby.call_args_list[0])
@mock.patch('cloudinit.net.has_netfail_standby_feature')
@mock.patch('cloudinit.net.os.path.exists')
@mock.patch('cloudinit.net.sys_dev_path')
def test_is_netfail_primary_wrong_driver(self, m_sysdev, m_exists,
m_standby):
devname = self.random_string()
driver = 'virtio_net'
self.assertFalse(net.is_netfail_primary(devname, driver))
@mock.patch('cloudinit.net.has_netfail_standby_feature')
@mock.patch('cloudinit.net.os.path.exists')
@mock.patch('cloudinit.net.sys_dev_path')
def test_is_netfail_primary_no_master(self, m_sysdev, m_exists, m_standby):
devname = self.random_string()
driver = self.random_string() # device not virtio_net
m_exists.return_value = False # no master sysfs attr
self.assertFalse(net.is_netfail_primary(devname, driver))
@mock.patch('cloudinit.net.has_netfail_standby_feature')
@mock.patch('cloudinit.net.os.path.exists')
@mock.patch('cloudinit.net.sys_dev_path')
def test_is_netfail_primary_bad_master(self, m_sysdev, m_exists,
m_standby):
devname = self.random_string()
driver = self.random_string() # device not virtio_net
master_devname = self.random_string()
m_sysdev.return_value = "%s/%s" % (self.random_string(),
master_devname)
m_exists.return_value = True # has master sysfs attr
self.m_device_driver.return_value = 'XXXX' # master not virtio_net
self.assertFalse(net.is_netfail_primary(devname, driver))
@mock.patch('cloudinit.net.has_netfail_standby_feature')
@mock.patch('cloudinit.net.os.path.exists')
@mock.patch('cloudinit.net.sys_dev_path')
def test_is_netfail_primary_no_standby(self, m_sysdev, m_exists,
m_standby):
devname = self.random_string()
driver = self.random_string() # device not virtio_net
master_devname = self.random_string()
m_sysdev.return_value = "%s/%s" % (self.random_string(),
master_devname)
m_exists.return_value = True # has master sysfs attr
self.m_device_driver.return_value = 'virtio_net' # master virtio_net
m_standby.return_value = False # master has no standby feature flag
self.assertFalse(net.is_netfail_primary(devname, driver))
@mock.patch('cloudinit.net.has_netfail_standby_feature')
@mock.patch('cloudinit.net.os.path.exists')
def test_is_netfail_standby(self, m_exists, m_standby):
devname = self.random_string()
driver = 'virtio_net'
m_exists.return_value = True # has master sysfs attr
m_standby.return_value = True # has standby feature flag
self.assertTrue(net.is_netfail_standby(devname, driver))
@mock.patch('cloudinit.net.has_netfail_standby_feature')
@mock.patch('cloudinit.net.os.path.exists')
def test_is_netfail_standby_wrong_driver(self, m_exists, m_standby):
devname = self.random_string()
driver = self.random_string()
self.assertFalse(net.is_netfail_standby(devname, driver))
@mock.patch('cloudinit.net.has_netfail_standby_feature')
@mock.patch('cloudinit.net.os.path.exists')
def test_is_netfail_standby_no_master(self, m_exists, m_standby):
devname = self.random_string()
driver = 'virtio_net'
m_exists.return_value = False # has master sysfs attr
self.assertFalse(net.is_netfail_standby(devname, driver))
@mock.patch('cloudinit.net.has_netfail_standby_feature')
@mock.patch('cloudinit.net.os.path.exists')
def test_is_netfail_standby_no_standby_feature(self, m_exists, m_standby):
devname = self.random_string()
driver = 'virtio_net'
m_exists.return_value = True # has master sysfs attr
m_standby.return_value = False # has standby feature flag
self.assertFalse(net.is_netfail_standby(devname, driver))
@mock.patch('cloudinit.net.is_netfail_standby')
@mock.patch('cloudinit.net.is_netfail_primary')
def test_is_netfailover_primary(self, m_primary, m_standby):
devname = self.random_string()
driver = self.random_string()
m_primary.return_value = True
m_standby.return_value = False
self.assertTrue(net.is_netfailover(devname, driver))
@mock.patch('cloudinit.net.is_netfail_standby')
@mock.patch('cloudinit.net.is_netfail_primary')
def test_is_netfailover_standby(self, m_primary, m_standby):
devname = self.random_string()
driver = self.random_string()
m_primary.return_value = False
m_standby.return_value = True
self.assertTrue(net.is_netfailover(devname, driver))
@mock.patch('cloudinit.net.is_netfail_standby')
@mock.patch('cloudinit.net.is_netfail_primary')
def test_is_netfailover_returns_false(self, m_primary, m_standby):
devname = self.random_string()
driver = self.random_string()
m_primary.return_value = False
m_standby.return_value = False
self.assertFalse(net.is_netfailover(devname, driver))
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