diff options
Diffstat (limited to 'cloudinit/net/tests/test_init.py')
| -rw-r--r-- | cloudinit/net/tests/test_init.py | 1270 |
1 files changed, 0 insertions, 1270 deletions
diff --git a/cloudinit/net/tests/test_init.py b/cloudinit/net/tests/test_init.py deleted file mode 100644 index 0535387a..00000000 --- a/cloudinit/net/tests/test_init.py +++ /dev/null @@ -1,1270 +0,0 @@ -# This file is part of cloud-init. See LICENSE file for license information. - -import copy -import errno -import ipaddress -import os -import textwrap -from unittest import mock - -import httpretty -import pytest -import requests - -import cloudinit.net as net -from cloudinit import safeyaml as yaml -from cloudinit.tests.helpers import CiTestCase, HttprettyTestCase -from cloudinit.subp import ProcessExecutionError -from cloudinit.util import ensure_file, write_file - - -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_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_master_is_openvswitch(self): - ovs_mac = 'bb:cc:aa:bb:cc:aa' - - # No master => False - write_file(os.path.join(self.sysdir, 'eth1', 'address'), ovs_mac) - - self.assertFalse(net.master_is_bridge_or_bond('eth1')) - - # masters without ovs-system => False - write_file(os.path.join(self.sysdir, 'ovs-system', 'address'), ovs_mac) - - os.symlink('../ovs-system', os.path.join(self.sysdir, 'eth1', - 'master')) - - self.assertFalse(net.master_is_openvswitch('eth1')) - - # masters with ovs-system => True - os.symlink('../ovs-system', os.path.join(self.sysdir, 'eth1', - 'upper_ovs-system')) - - self.assertTrue(net.master_is_openvswitch('eth1')) - - 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')) - - -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): - - 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.assertCountEqual(['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' - ovs_mac = 'bb:cc:aa:bb:cc: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, 'ovs-system', 'address'), - ovs_mac) - - 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')) - - write_file(os.path.join(self.sysdir, 'eth3', 'address'), ovs_mac) - os.symlink('../ovs-system', os.path.join(self.sysdir, 'eth3', - 'master')) - os.symlink('../ovs-system', os.path.join(self.sysdir, 'eth3', - 'upper_ovs-system')) - - interface_names = [interface[0] for interface in net.get_interfaces()] - self.assertEqual(['eth1', 'eth2', 'eth3', 'ovs-system'], - 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.subp.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 TestNetFailOver(CiTestCase): - - 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)) - - -class TestIsIpAddress: - """Tests for net.is_ip_address. - - Instead of testing with values we rely on the ipaddress stdlib module to - handle all values correctly, so simply test that is_ip_address defers to - the ipaddress module correctly. - """ - - @pytest.mark.parametrize('ip_address_side_effect,expected_return', ( - (ValueError, False), - (lambda _: ipaddress.IPv4Address('192.168.0.1'), True), - (lambda _: ipaddress.IPv6Address('2001:db8::'), True), - )) - def test_is_ip_address(self, ip_address_side_effect, expected_return): - with mock.patch('cloudinit.net.ipaddress.ip_address', - side_effect=ip_address_side_effect) as m_ip_address: - ret = net.is_ip_address(mock.sentinel.ip_address_in) - assert expected_return == ret - expected_call = mock.call(mock.sentinel.ip_address_in) - assert [expected_call] == m_ip_address.call_args_list - - -class TestIsIpv4Address: - """Tests for net.is_ipv4_address. - - Instead of testing with values we rely on the ipaddress stdlib module to - handle all values correctly, so simply test that is_ipv4_address defers to - the ipaddress module correctly. - """ - - @pytest.mark.parametrize('ipv4address_mock,expected_return', ( - (mock.Mock(side_effect=ValueError), False), - (mock.Mock(return_value=ipaddress.IPv4Address('192.168.0.1')), True), - )) - def test_is_ip_address(self, ipv4address_mock, expected_return): - with mock.patch('cloudinit.net.ipaddress.IPv4Address', - ipv4address_mock) as m_ipv4address: - ret = net.is_ipv4_address(mock.sentinel.ip_address_in) - assert expected_return == ret - expected_call = mock.call(mock.sentinel.ip_address_in) - assert [expected_call] == m_ipv4address.call_args_list - - -# vi: ts=4 expandtab |