Kubernetes integration with OpenStack networking
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# 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.
from unittest 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
from kuryr_kubernetes.tests.unit import kuryr_fixtures
class TestK8sCNIRegistryPlugin(base.TestCase):
def setUp(self):
super(TestK8sCNIRegistryPlugin, self).setUp()
self.k8s_mock = self.useFixture(kuryr_fixtures.MockK8sClient()).client
self.default_iface = 'baz'
self.additional_iface = 'eth1'
self.kp = {'apiVersion': 'openstack.org/v1',
'kind': 'KuryrPort',
'metadata': {'name': 'foo', 'uid': 'bar',
'namespace': 'default', 'selfLink': 'baz'},
'spec': {'podUid': 'bar'}}
self.vifs = fake._fake_vifs()
registry = {'default/foo': {'kp': self.kp, '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=self.default_iface, 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.k8s_mock.get.return_value = self.kp
self.plugin.add(self.params)
m_lock.assert_called_with('default/foo', external=True)
m_connect.assert_any_call(mock.ANY, mock.ANY, self.default_iface,
123, report_health=mock.ANY,
is_default_gateway=True,
container_id='cont_id')
m_connect.assert_any_call(mock.ANY, mock.ANY, self.additional_iface,
123, report_health=mock.ANY,
is_default_gateway=False,
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_any_call(mock.ANY, mock.ANY, self.default_iface,
123, report_health=mock.ANY,
is_default_gateway=True,
container_id='cont_id')
m_disconnect.assert_any_call(mock.ANY, mock.ANY, self.additional_iface,
123, report_health=mock.ANY,
is_default_gateway=False,
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)
self.assertNotIn('default/foo', self.plugin.registry)
m_disconnect.assert_any_call(mock.ANY, mock.ANY, self.default_iface,
123, report_health=mock.ANY,
is_default_gateway=True,
container_id='cont_id')
m_disconnect.assert_any_call(mock.ANY, mock.ANY, self.additional_iface,
123, report_health=mock.ANY,
is_default_gateway=False,
container_id='cont_id')
@mock.patch('kuryr_kubernetes.cni.binding.base.disconnect')
def test_del_wrong_container_id(self, m_disconnect):
registry = {'default/foo': {'kp': self.kp, '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({'kp': self.kp, 'vifs': self.vifs, 'containerid': None,
'vif_unplugged': False, 'del_received': False})
se.append({'kp': self.kp, 'vifs': self.vifs, 'containerid': None,
'vif_unplugged': False, 'del_received': False})
se.append({'kp': self.kp, '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,
__contains__=mock.Mock(return_value=False))
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',
{'kp': self.kp,
'vifs': self.vifs,
'containerid': 'cont_id',
'vif_unplugged': False,
'del_received': False})
m_connect.assert_any_call(mock.ANY, mock.ANY, self.default_iface,
123, report_health=mock.ANY,
is_default_gateway=True,
container_id='cont_id')
m_connect.assert_any_call(mock.ANY, mock.ANY, self.additional_iface,
123, report_health=mock.ANY,
is_default_gateway=False,
container_id='cont_id')
@mock.patch('time.sleep', mock.Mock())
@mock.patch('oslo_concurrency.lockutils.lock', mock.Mock(
return_value=mock.Mock(__enter__=mock.Mock(), __exit__=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, __contains__=False)
self.plugin.registry = m_registry
self.assertRaises(exceptions.ResourceNotReady, self.plugin.add,
self.params)