kuryr-kubernetes/kuryr_kubernetes/tests/unit/cni/plugins/test_k8s_cni_registry.py

132 lines
6.2 KiB
Python

# Copyright 2017 Red Hat, Inc.
#
# 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 mock
from oslo_config import cfg
from kuryr_kubernetes.cni.plugins import k8s_cni_registry
from kuryr_kubernetes import exceptions
from kuryr_kubernetes.tests import base
from kuryr_kubernetes.tests import fake
class TestK8sCNIRegistryPlugin(base.TestCase):
def setUp(self):
super(TestK8sCNIRegistryPlugin, self).setUp()
self.pod = {'metadata': {'name': 'foo', 'uid': 'bar',
'namespace': 'default'}}
self.vifs = fake._fake_vifs_dict()
registry = {'default/foo': {'pod': self.pod, 'vifs': self.vifs,
'containerid': None,
'vif_unplugged': False,
'del_received': False}}
healthy = mock.Mock()
self.plugin = k8s_cni_registry.K8sCNIRegistryPlugin(registry, healthy)
self.params = mock.Mock(args=mock.Mock(K8S_POD_NAME='foo',
K8S_POD_NAMESPACE='default'),
CNI_IFNAME='baz', CNI_NETNS=123,
CNI_CONTAINERID='cont_id')
@mock.patch('oslo_concurrency.lockutils.lock')
@mock.patch('kuryr_kubernetes.cni.binding.base.connect')
def test_add_present(self, m_connect, m_lock):
self.plugin.add(self.params)
m_lock.assert_called_with('default/foo', external=True)
m_connect.assert_called_with(mock.ANY, mock.ANY, 'eth0', 123,
report_health=mock.ANY,
is_default_gateway=mock.ANY,
container_id='cont_id')
self.assertEqual('cont_id',
self.plugin.registry['default/foo']['containerid'])
@mock.patch('oslo_concurrency.lockutils.lock')
@mock.patch('kuryr_kubernetes.cni.binding.base.disconnect')
def test_del_present(self, m_disconnect, m_lock):
self.plugin.delete(self.params)
m_lock.assert_called_with('default/foo', external=True)
m_disconnect.assert_called_with(mock.ANY, mock.ANY, 'eth0', 123,
report_health=mock.ANY,
is_default_gateway=mock.ANY,
container_id='cont_id')
self.assertIn('default/foo', self.plugin.registry)
self.assertEqual(True,
self.plugin.registry['default/foo']['vif_unplugged'])
@mock.patch('oslo_concurrency.lockutils.lock')
@mock.patch('kuryr_kubernetes.cni.binding.base.disconnect')
def test_remove_pod_from_registry_after_del(self, m_disconnect, m_lock):
self.plugin.registry['default/foo']['del_received'] = True
self.plugin.delete(self.params)
m_lock.assert_called_with('default/foo', external=True)
m_disconnect.assert_called_with(mock.ANY, mock.ANY, 'eth0', 123,
report_health=mock.ANY,
is_default_gateway=mock.ANY,
container_id='cont_id')
self.assertNotIn('default/foo', self.plugin.registry)
@mock.patch('kuryr_kubernetes.cni.binding.base.disconnect')
def test_del_wrong_container_id(self, m_disconnect):
registry = {'default/foo': {'pod': self.pod, 'vifs': self.vifs,
'containerid': 'different'}}
healthy = mock.Mock()
self.plugin = k8s_cni_registry.K8sCNIRegistryPlugin(registry, healthy)
self.plugin.delete(self.params)
m_disconnect.assert_not_called()
@mock.patch('oslo_concurrency.lockutils.lock')
@mock.patch('time.sleep', mock.Mock())
@mock.patch('kuryr_kubernetes.cni.binding.base.connect')
def test_add_present_on_5_try(self, m_connect, m_lock):
se = [KeyError] * 5
se.append({'pod': self.pod, 'vifs': self.vifs, 'containerid': None,
'vif_unplugged': False, 'del_received': False})
se.append({'pod': self.pod, 'vifs': self.vifs, 'containerid': None,
'vif_unplugged': False, 'del_received': False})
se.append({'pod': self.pod, 'vifs': self.vifs, 'containerid': None,
'vif_unplugged': False, 'del_received': False})
m_getitem = mock.Mock(side_effect=se)
m_setitem = mock.Mock()
m_registry = mock.Mock(__getitem__=m_getitem, __setitem__=m_setitem)
self.plugin.registry = m_registry
self.plugin.add(self.params)
m_lock.assert_called_with('default/foo', external=True)
m_setitem.assert_called_once_with('default/foo',
{'pod': self.pod,
'vifs': self.vifs,
'containerid': 'cont_id',
'vif_unplugged': False,
'del_received': False})
m_connect.assert_called_with(mock.ANY, mock.ANY, 'eth0', 123,
report_health=mock.ANY,
is_default_gateway=mock.ANY,
container_id='cont_id')
@mock.patch('time.sleep', mock.Mock())
def test_add_not_present(self):
cfg.CONF.set_override('vif_annotation_timeout', 0, group='cni_daemon')
self.addCleanup(cfg.CONF.set_override, 'vif_annotation_timeout', 120,
group='cni_daemon')
m_getitem = mock.Mock(side_effect=KeyError)
m_registry = mock.Mock(__getitem__=m_getitem)
self.plugin.registry = m_registry
self.assertRaises(exceptions.ResourceNotReady, self.plugin.add,
self.params)