160 lines
7.9 KiB
Python
160 lines
7.9 KiB
Python
# Copyright 2017 Red Hat, Inc.
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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from unittest import mock
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from oslo_config import cfg
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from kuryr_kubernetes.cni.plugins import k8s_cni_registry
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from kuryr_kubernetes import exceptions
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from kuryr_kubernetes.tests import base
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from kuryr_kubernetes.tests import fake
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from kuryr_kubernetes.tests.unit import kuryr_fixtures
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class TestK8sCNIRegistryPlugin(base.TestCase):
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def setUp(self):
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super(TestK8sCNIRegistryPlugin, self).setUp()
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self.k8s_mock = self.useFixture(kuryr_fixtures.MockK8sClient()).client
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self.default_iface = 'baz'
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self.additional_iface = 'eth1'
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self.kp = {'apiVersion': 'openstack.org/v1',
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'kind': 'KuryrPort',
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'metadata': {'name': 'foo', 'uid': 'bar',
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'namespace': 'default'},
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'spec': {'podUid': 'bar'}}
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self.vifs = fake._fake_vifs()
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registry = {'default/foo': {'kp': self.kp, 'vifs': self.vifs,
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'containerid': None,
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'vif_unplugged': False,
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'del_received': False}}
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healthy = mock.Mock()
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self.plugin = k8s_cni_registry.K8sCNIRegistryPlugin(registry, healthy)
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self.params = mock.Mock(args=mock.Mock(K8S_POD_NAME='foo',
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K8S_POD_NAMESPACE='default'),
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CNI_IFNAME=self.default_iface, CNI_NETNS=123,
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CNI_CONTAINERID='cont_id')
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@mock.patch('oslo_concurrency.lockutils.lock')
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@mock.patch('kuryr_kubernetes.cni.binding.base.connect')
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def test_add_present(self, m_connect, m_lock):
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self.k8s_mock.get.return_value = self.kp
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self.plugin.add(self.params)
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m_lock.assert_called_with('default/foo', external=True)
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m_connect.assert_any_call(mock.ANY, mock.ANY, self.default_iface,
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123, report_health=mock.ANY,
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is_default_gateway=True,
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container_id='cont_id')
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m_connect.assert_any_call(mock.ANY, mock.ANY, self.additional_iface,
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123, report_health=mock.ANY,
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is_default_gateway=False,
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container_id='cont_id')
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self.assertEqual('cont_id',
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self.plugin.registry['default/foo']['containerid'])
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@mock.patch('oslo_concurrency.lockutils.lock')
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@mock.patch('kuryr_kubernetes.cni.binding.base.disconnect')
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def test_del_present(self, m_disconnect, m_lock):
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self.plugin.delete(self.params)
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m_lock.assert_called_with('default/foo', external=True)
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m_disconnect.assert_any_call(mock.ANY, mock.ANY, self.default_iface,
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123, report_health=mock.ANY,
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is_default_gateway=True,
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container_id='cont_id')
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m_disconnect.assert_any_call(mock.ANY, mock.ANY, self.additional_iface,
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123, report_health=mock.ANY,
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is_default_gateway=False,
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container_id='cont_id')
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self.assertIn('default/foo', self.plugin.registry)
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self.assertEqual(True,
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self.plugin.registry['default/foo']['vif_unplugged'])
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@mock.patch('oslo_concurrency.lockutils.lock')
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@mock.patch('kuryr_kubernetes.cni.binding.base.disconnect')
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def test_remove_pod_from_registry_after_del(self, m_disconnect, m_lock):
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self.plugin.registry['default/foo']['del_received'] = True
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self.plugin.delete(self.params)
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m_lock.assert_called_with('default/foo', external=True)
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self.assertNotIn('default/foo', self.plugin.registry)
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m_disconnect.assert_any_call(mock.ANY, mock.ANY, self.default_iface,
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123, report_health=mock.ANY,
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is_default_gateway=True,
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container_id='cont_id')
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m_disconnect.assert_any_call(mock.ANY, mock.ANY, self.additional_iface,
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123, report_health=mock.ANY,
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is_default_gateway=False,
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container_id='cont_id')
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@mock.patch('kuryr_kubernetes.cni.binding.base.disconnect')
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def test_del_wrong_container_id(self, m_disconnect):
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registry = {'default/foo': {'kp': self.kp, 'vifs': self.vifs,
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'containerid': 'different'}}
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healthy = mock.Mock()
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self.plugin = k8s_cni_registry.K8sCNIRegistryPlugin(registry, healthy)
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self.plugin.delete(self.params)
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m_disconnect.assert_not_called()
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@mock.patch('oslo_concurrency.lockutils.lock')
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@mock.patch('time.sleep', mock.Mock())
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@mock.patch('kuryr_kubernetes.cni.binding.base.connect')
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def test_add_present_on_5_try(self, m_connect, m_lock):
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se = [KeyError] * 5
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se.append({'kp': self.kp, 'vifs': self.vifs, 'containerid': None,
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'vif_unplugged': False, 'del_received': False})
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se.append({'kp': self.kp, 'vifs': self.vifs, 'containerid': None,
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'vif_unplugged': False, 'del_received': False})
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se.append({'kp': self.kp, 'vifs': self.vifs, 'containerid': None,
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'vif_unplugged': False, 'del_received': False})
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m_getitem = mock.Mock(side_effect=se)
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m_setitem = mock.Mock()
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m_registry = mock.Mock(__getitem__=m_getitem, __setitem__=m_setitem,
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__contains__=mock.Mock(return_value=False))
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self.plugin.registry = m_registry
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self.plugin.add(self.params)
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m_lock.assert_called_with('default/foo', external=True)
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m_setitem.assert_called_once_with('default/foo',
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{'kp': self.kp,
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'vifs': self.vifs,
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'containerid': 'cont_id',
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'vif_unplugged': False,
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'del_received': False})
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m_connect.assert_any_call(mock.ANY, mock.ANY, self.default_iface,
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123, report_health=mock.ANY,
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is_default_gateway=True,
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container_id='cont_id')
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m_connect.assert_any_call(mock.ANY, mock.ANY, self.additional_iface,
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123, report_health=mock.ANY,
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is_default_gateway=False,
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container_id='cont_id')
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@mock.patch('time.sleep', mock.Mock())
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@mock.patch('oslo_concurrency.lockutils.lock', mock.Mock(
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return_value=mock.Mock(__enter__=mock.Mock(), __exit__=mock.Mock())))
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def test_add_not_present(self):
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cfg.CONF.set_override('vif_annotation_timeout', 0, group='cni_daemon')
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self.addCleanup(cfg.CONF.set_override, 'vif_annotation_timeout', 120,
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group='cni_daemon')
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m_getitem = mock.Mock(side_effect=KeyError)
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m_registry = mock.Mock(__getitem__=m_getitem, __contains__=False)
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self.plugin.registry = m_registry
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self.assertRaises(exceptions.ResourceNotReady, self.plugin.add,
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self.params)
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