285 lines
11 KiB
Python
285 lines
11 KiB
Python
# Copyright (c) 2018 Red Hat, Inc.
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# All Rights Reserved.
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#
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# Licensed under the Apache License, Version 2.0 (the "License"); you may
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# not use this file except in compliance with the License. You may obtain
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# 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, WITHOUT
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# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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# License for the specific language governing permissions and limitations
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# under the License.
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import mock
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import munch
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from openstack import exceptions as os_exc
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from oslo_config import cfg as oslo_cfg
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from kuryr_kubernetes.controller.drivers import namespace_subnet as subnet_drv
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from kuryr_kubernetes import exceptions as k_exc
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from kuryr_kubernetes.tests import base as test_base
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from kuryr_kubernetes.tests.unit import kuryr_fixtures as k_fix
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def get_pod_obj():
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return {
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'status': {
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'qosClass': 'BestEffort',
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'hostIP': '192.168.1.2',
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},
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'kind': 'Pod',
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'spec': {
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'schedulerName': 'default-scheduler',
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'containers': [{
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'name': 'busybox',
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'image': 'busybox',
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'resources': {}
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}],
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'nodeName': 'kuryr-devstack'
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},
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'metadata': {
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'name': 'busybox-sleep1',
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'namespace': 'default',
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'resourceVersion': '53808',
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'selfLink': '/api/v1/namespaces/default/pods/busybox-sleep1',
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'uid': '452176db-4a85-11e7-80bd-fa163e29dbbb',
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'annotations': {
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'openstack.org/kuryr-vif': {}
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}
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}}
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class TestNamespacePodSubnetDriver(test_base.TestCase):
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@mock.patch('kuryr_kubernetes.utils.get_subnet')
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def test_get_subnets(self, m_get_subnet):
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pod = get_pod_obj()
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pod_namespace = pod['metadata']['namespace']
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subnet_id = mock.sentinel.subnet_id
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subnet = mock.sentinel.subnet
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cls = subnet_drv.NamespacePodSubnetDriver
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m_driver = mock.MagicMock(spec=cls)
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m_driver._get_namespace_subnet_id.return_value = subnet_id
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m_get_subnet.return_value = subnet
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subnets = cls.get_namespace_subnet(m_driver, pod_namespace)
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self.assertEqual({subnet_id: subnet}, subnets)
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m_driver._get_namespace_subnet_id.assert_called_once_with(
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pod_namespace)
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m_get_subnet.assert_called_once_with(subnet_id)
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@mock.patch('kuryr_kubernetes.utils.get_subnet')
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def test_get_subnets_namespace_not_ready(self, m_get_subnet):
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pod = get_pod_obj()
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pod_namespace = pod['metadata']['namespace']
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cls = subnet_drv.NamespacePodSubnetDriver
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m_driver = mock.MagicMock(spec=cls)
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m_driver._get_namespace_subnet_id.side_effect = (
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k_exc.ResourceNotReady(pod_namespace))
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self.assertRaises(k_exc.ResourceNotReady, cls.get_namespace_subnet,
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m_driver, pod_namespace)
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m_driver._get_namespace_subnet_id.assert_called_once_with(
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pod_namespace)
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m_get_subnet.assert_not_called()
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def test__get_namespace_subnet_id(self):
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cls = subnet_drv.NamespacePodSubnetDriver
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m_driver = mock.MagicMock(spec=cls)
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namespace = mock.sentinel.namespace
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subnet_id = mock.sentinel.subnet_id
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crd = {
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'status': {
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'subnetId': subnet_id
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}
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}
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kubernetes = self.useFixture(k_fix.MockK8sClient()).client
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kubernetes.get.return_value = crd
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subnet_id_resp = cls._get_namespace_subnet_id(m_driver, namespace)
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kubernetes.get.assert_called()
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self.assertEqual(subnet_id, subnet_id_resp)
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def test__get_namespace_subnet_id_get_crd_exception(self):
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cls = subnet_drv.NamespacePodSubnetDriver
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m_driver = mock.MagicMock(spec=cls)
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namespace = mock.sentinel.namespace
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kubernetes = self.useFixture(k_fix.MockK8sClient()).client
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kubernetes.get.side_effect = k_exc.K8sClientException
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self.assertRaises(k_exc.K8sClientException,
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cls._get_namespace_subnet_id, m_driver, namespace)
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kubernetes.get.assert_called()
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def test_delete_namespace_subnet(self):
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cls = subnet_drv.NamespacePodSubnetDriver
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m_driver = mock.MagicMock(spec=cls)
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net_id = mock.sentinel.net_id
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subnet_id = mock.sentinel.subnet_id
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os_net = self.useFixture(k_fix.MockNetworkClient()).client
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os_net.ports.return_value = []
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os_net.remove_interface_from_router.return_value = {}
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cls._delete_namespace_network_resources(m_driver, subnet_id, net_id)
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os_net.remove_interface_from_router.assert_called_once()
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os_net.delete_network.assert_called_once_with(net_id)
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def test_delete_namespace_subnet_openstacksdk_error(self):
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cls = subnet_drv.NamespacePodSubnetDriver
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m_driver = mock.MagicMock(spec=cls)
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net_id = mock.sentinel.net_id
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subnet_id = mock.sentinel.subnet_id
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os_net = self.useFixture(k_fix.MockNetworkClient()).client
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os_net.delete_network.side_effect = os_exc.ConflictException
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os_net.ports.return_value = []
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os_net.remove_interface_from_router.return_value = {}
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self.assertRaises(k_exc.ResourceNotReady,
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cls._delete_namespace_network_resources, m_driver,
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subnet_id, net_id)
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os_net.remove_interface_from_router.assert_called_once()
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os_net.delete_network.assert_called_once_with(net_id)
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os_net.ports.assert_called_with(status='DOWN', network_id=net_id)
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def test_create_network(self):
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cls = subnet_drv.NamespacePodSubnetDriver
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m_driver = mock.MagicMock(spec=cls)
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namespace = 'test'
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project_id = mock.sentinel.project_id
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os_net = self.useFixture(k_fix.MockNetworkClient()).client
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os_net.networks.return_value = iter([])
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net = munch.Munch({'id': mock.sentinel.net})
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os_net.create_network.return_value = net
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net_id_resp = cls.create_network(m_driver, namespace, project_id)
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self.assertEqual(net_id_resp, net['id'])
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os_net.create_network.assert_called_once()
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os_net.networks.assert_called_once()
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def test_create_network_existing(self):
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cls = subnet_drv.NamespacePodSubnetDriver
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m_driver = mock.MagicMock(spec=cls)
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namespace = 'test'
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project_id = mock.sentinel.project_id
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os_net = self.useFixture(k_fix.MockNetworkClient()).client
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net = munch.Munch({'id': mock.sentinel.net})
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os_net.networks.return_value = iter([net])
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net_id_resp = cls.create_network(m_driver, namespace, project_id)
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self.assertEqual(net_id_resp, net['id'])
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os_net.create_network.assert_not_called()
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os_net.networks.assert_called_once()
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def test_create_subnet(self):
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cls = subnet_drv.NamespacePodSubnetDriver
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m_driver = mock.MagicMock(spec=cls)
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namespace = 'test'
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project_id = mock.sentinel.project_id
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net_id = mock.sentinel.net_id
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subnet = munch.Munch({'id': mock.sentinel.subnet,
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'cidr': mock.sentinel.cidr})
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os_net = self.useFixture(k_fix.MockNetworkClient()).client
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os_net.subnets.return_value = iter([])
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os_net.create_subnet.return_value = subnet
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subnet_id, subnet_cidr = cls.create_subnet(m_driver, namespace,
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project_id, net_id)
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self.assertEqual(subnet_id, subnet['id'])
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self.assertEqual(subnet_cidr, subnet['cidr'])
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os_net.create_subnet.assert_called_once()
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os_net.subnets.assert_called_once()
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def test_create_subnet_existing(self):
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cls = subnet_drv.NamespacePodSubnetDriver
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m_driver = mock.MagicMock(spec=cls)
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namespace = 'test'
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project_id = mock.sentinel.project_id
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net_id = mock.sentinel.net_id
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subnet = munch.Munch({'id': mock.sentinel.subnet,
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'cidr': mock.sentinel.cidr})
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os_net = self.useFixture(k_fix.MockNetworkClient()).client
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os_net.subnets.return_value = iter([subnet])
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subnet_id, subnet_cidr = cls.create_subnet(m_driver, namespace,
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project_id, net_id)
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self.assertEqual(subnet_id, subnet['id'])
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self.assertEqual(subnet_cidr, subnet['cidr'])
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os_net.create_subnet.assert_not_called()
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os_net.subnets.assert_called_once()
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def test_add_subnet_to_router(self):
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cls = subnet_drv.NamespacePodSubnetDriver
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m_driver = mock.MagicMock(spec=cls)
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subnet_id = mock.sentinel.subnet_id
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os_net = self.useFixture(k_fix.MockNetworkClient()).client
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os_net.add_interface_to_router.return_value = {}
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router_id = 'router1'
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oslo_cfg.CONF.set_override('pod_router',
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router_id,
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group='namespace_subnet')
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router_id_resp = cls.add_subnet_to_router(m_driver, subnet_id)
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self.assertEqual(router_id_resp, router_id)
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os_net.add_interface_to_router.assert_called_once()
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def test_add_subnet_to_router_already_connected(self):
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cls = subnet_drv.NamespacePodSubnetDriver
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m_driver = mock.MagicMock(spec=cls)
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subnet_id = mock.sentinel.subnet_id
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os_net = self.useFixture(k_fix.MockNetworkClient()).client
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os_net.add_interface_to_router.side_effect = (
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os_exc.BadRequestException)
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router_id = 'router1'
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oslo_cfg.CONF.set_override('pod_router',
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router_id,
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group='namespace_subnet')
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router_id_resp = cls.add_subnet_to_router(m_driver, subnet_id)
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self.assertEqual(router_id_resp, router_id)
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os_net.add_interface_to_router.assert_called_once()
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def test_add_subnet_to_router_exception(self):
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cls = subnet_drv.NamespacePodSubnetDriver
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m_driver = mock.MagicMock(spec=cls)
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subnet_id = mock.sentinel.subnet_id
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os_net = self.useFixture(k_fix.MockNetworkClient()).client
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os_net.add_interface_to_router.side_effect = (
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os_exc.SDKException)
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router_id = 'router1'
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oslo_cfg.CONF.set_override('pod_router',
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router_id,
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group='namespace_subnet')
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self.assertRaises(os_exc.SDKException,
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cls.add_subnet_to_router, m_driver, subnet_id)
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os_net.add_interface_to_router.assert_called_once()
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