/usr/lib/python3/dist-packages/vif_plug_linux_bridge/tests/test_linux_net.py is in python3-os-vif 1.2.1-2.
This file is owned by root:root, with mode 0o644.
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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 | # Licensed under the Apache License, Version 2.0 (the "License"); you may
# not use this file except in compliance with the License. You may obtain
# a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
# License for the specific language governing permissions and limitations
# under the License.
import contextlib
import mock
import os.path
import six
import testtools
import fixtures
from oslo_concurrency import lockutils
from oslo_concurrency import processutils
from oslo_config import cfg
from oslo_config import fixture as config_fixture
from oslo_log.fixture import logging_error as log_fixture
from vif_plug_linux_bridge import linux_net
from vif_plug_linux_bridge import privsep
CONF = cfg.CONF
if six.PY2:
nested = contextlib.nested
else:
@contextlib.contextmanager
def nested(*contexts):
with contextlib.ExitStack() as stack:
yield [stack.enter_context(c) for c in contexts]
class LinuxNetTest(testtools.TestCase):
def setUp(self):
super(LinuxNetTest, self).setUp()
privsep.vif_plug.set_client_mode(False)
lock_path = self.useFixture(fixtures.TempDir()).path
self.fixture = self.useFixture(
config_fixture.Config(lockutils.CONF))
self.fixture.config(lock_path=lock_path,
group='oslo_concurrency')
self.useFixture(log_fixture.get_logging_handle_error_fixture())
@mock.patch.object(processutils, "execute")
def test_set_device_mtu(self, execute):
linux_net._set_device_mtu(dev='fakedev', mtu=1500)
expected = ['ip', 'link', 'set', 'fakedev', 'mtu', 1500]
execute.assert_called_with(*expected, check_exit_code=mock.ANY)
@mock.patch.object(processutils, "execute")
@mock.patch.object(linux_net, "device_exists", return_value=False)
@mock.patch.object(linux_net, "_set_device_mtu")
def test_ensure_vlan(self, mock_set_mtu,
mock_dev_exists, mock_exec):
linux_net._ensure_vlan_privileged(123, 'fake-bridge',
mac_address='fake-mac',
mtu=1500)
self.assertTrue(mock_dev_exists.called)
calls = [mock.call('ip', 'link', 'add', 'link',
'fake-bridge', 'name', 'vlan123', 'type',
'vlan', 'id', 123,
check_exit_code=[0, 2, 254]),
mock.call('ip', 'link', 'set', 'vlan123',
'address', 'fake-mac',
check_exit_code=[0, 2, 254]),
mock.call('ip', 'link', 'set', 'vlan123', 'up',
check_exit_code=[0, 2, 254])]
self.assertEqual(calls, mock_exec.mock_calls)
mock_set_mtu.assert_called_once_with('vlan123', 1500)
@mock.patch.object(processutils, "execute")
@mock.patch.object(linux_net, "device_exists", return_value=False)
@mock.patch.object(linux_net, "_set_device_mtu")
def test_ensure_vlan_invalid_mtu(self, mock_set_mtu,
mock_dev_exists, mock_exec):
linux_net._ensure_vlan_privileged(123, 'fake-bridge',
mac_address='fake-mac', mtu=None)
self.assertFalse(mock_set_mtu.called)
@mock.patch.object(processutils, "execute")
@mock.patch.object(linux_net, "device_exists", return_value=True)
def test_ensure_bridge_exists(self, mock_dev_exists, mock_exec):
linux_net.ensure_bridge("br0", None, filtering=False)
self.assertEqual([], mock_exec.mock_calls)
mock_dev_exists.assert_called_once_with("br0")
@mock.patch.object(processutils, "execute")
@mock.patch.object(linux_net, "device_exists", return_value=False)
def test_ensure_bridge_addbr_exception(self, mock_dev_exists, mock_exec):
mock_exec.side_effect = ValueError()
with testtools.ExpectedException(ValueError):
linux_net.ensure_bridge("br0", None, filtering=False)
@mock.patch.object(processutils, "execute")
@mock.patch.object(linux_net, "device_exists", side_effect=[False, True])
def test_ensure_bridge_concurrent_add(self, mock_dev_exists, mock_exec):
mock_exec.side_effect = [ValueError(), 0, 0, 0]
linux_net.ensure_bridge("br0", None, filtering=False)
calls = [mock.call('brctl', 'addbr', 'br0'),
mock.call('brctl', 'setfd', 'br0', 0),
mock.call('brctl', 'stp', 'br0', "off"),
mock.call('ip', 'link', 'set', 'br0', "up")]
self.assertEqual(calls, mock_exec.mock_calls)
mock_dev_exists.assert_has_calls([mock.call("br0"), mock.call("br0")])
@mock.patch.object(os.path, "exists", return_value=False)
@mock.patch.object(processutils, "execute")
@mock.patch.object(linux_net, "device_exists", return_value=False)
def test_ensure_bridge_new_ipv4(self, mock_dev_exists, mock_exec,
mock_path_exists):
linux_net.ensure_bridge("br0", None, filtering=False)
calls = [mock.call('brctl', 'addbr', 'br0'),
mock.call('brctl', 'setfd', 'br0', 0),
mock.call('brctl', 'stp', 'br0', "off"),
mock.call('ip', 'link', 'set', 'br0', "up")]
self.assertEqual(calls, mock_exec.mock_calls)
mock_dev_exists.assert_called_once_with("br0")
@mock.patch.object(os.path, "exists", return_value=True)
@mock.patch.object(processutils, "execute")
@mock.patch.object(linux_net, "device_exists", return_value=False)
def test_ensure_bridge_new_ipv6(self, mock_dev_exists, mock_exec,
mock_path_exists):
linux_net.ensure_bridge("br0", None, filtering=False)
calls = [mock.call('brctl', 'addbr', 'br0'),
mock.call('brctl', 'setfd', 'br0', 0),
mock.call('brctl', 'stp', 'br0', "off"),
mock.call('tee', '/proc/sys/net/ipv6/conf/br0/disable_ipv6',
check_exit_code=[0, 1], process_input='1'),
mock.call('ip', 'link', 'set', 'br0', "up")]
self.assertEqual(calls, mock_exec.mock_calls)
mock_dev_exists.assert_called_once_with("br0")
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