443 lines
16 KiB
Python
443 lines
16 KiB
Python
# Copyright 2018 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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import munch
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from openstack import exceptions as os_exc
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from os_vif import objects
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from oslo_config import cfg
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from kuryr_kubernetes import constants as k_const
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from kuryr_kubernetes import exceptions as k_exc
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from kuryr_kubernetes.objects import vif
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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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from kuryr_kubernetes import utils
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CONF = cfg.CONF
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class TestUtils(test_base.TestCase):
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@mock.patch('socket.gethostname')
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def test_get_node_name(self, m_gethostname):
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m_gethostname.return_value = 'foo'
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res = utils.get_node_name()
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self.assertEqual('foo', res)
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m_gethostname.assert_called_once_with()
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@mock.patch('requests.get')
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def test_get_leader_name(self, m_get):
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m_get.return_value = mock.Mock(json=mock.Mock(
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return_value={'name': 'foo'}))
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res = utils.get_leader_name()
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m_get.assert_called_once_with(
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'http://localhost:%d' % CONF.kubernetes.controller_ha_elector_port)
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self.assertEqual('foo', res)
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@mock.patch('requests.get')
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def test_get_leader_name_malformed(self, m_get):
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m_get.return_value = mock.Mock(json=mock.Mock(
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return_value={'name2': 'foo'}))
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res = utils.get_leader_name()
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m_get.assert_called_once_with(
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'http://localhost:%d' % CONF.kubernetes.controller_ha_elector_port)
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self.assertIsNone(res)
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@mock.patch('requests.get')
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def test_get_leader_name_exc(self, m_get):
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m_get.side_effect = Exception
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res = utils.get_leader_name()
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m_get.assert_called_once_with(
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'http://localhost:%d' % CONF.kubernetes.controller_ha_elector_port)
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self.assertIsNone(res)
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@mock.patch('kuryr_kubernetes.os_vif_util.neutron_to_osvif_network')
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@mock.patch('kuryr_kubernetes.os_vif_util.neutron_to_osvif_subnet')
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def test_get_subnet(self, m_osv_subnet, m_osv_network):
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os_net = self.useFixture(k_fix.MockNetworkClient()).client
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subnet = mock.MagicMock()
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network = mock.MagicMock()
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subnet_id = mock.sentinel.subnet_id
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network_id = mock.sentinel.network_id
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neutron_subnet = munch.Munch({'network_id': network_id})
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neutron_network = mock.sentinel.neutron_network
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os_net.get_subnet.return_value = neutron_subnet
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os_net.get_network.return_value = neutron_network
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m_osv_subnet.return_value = subnet
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m_osv_network.return_value = network
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ret = utils.get_subnet(subnet_id)
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self.assertEqual(network, ret)
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os_net.get_subnet.assert_called_once_with(subnet_id)
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os_net.get_network.assert_called_once_with(network_id)
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m_osv_subnet.assert_called_once_with(neutron_subnet)
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m_osv_network.assert_called_once_with(neutron_network)
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network.subnets.objects.append.assert_called_once_with(subnet)
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def test_extract_pod_annotation(self):
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vif_obj = objects.vif.VIFBase()
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ps = vif.PodState(default_vif=vif_obj)
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d = ps.obj_to_primitive()
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result = utils.extract_pod_annotation(d)
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self.assertEqual(vif.PodState.obj_name(), result.obj_name())
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self.assertEqual(vif_obj, result.default_vif)
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def test_extract_pod_annotation_convert(self):
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vif_obj = objects.vif.VIFBase()
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d = vif_obj.obj_to_primitive()
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result = utils.extract_pod_annotation(d)
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self.assertEqual(vif.PodState.obj_name(), result.obj_name())
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self.assertEqual(vif_obj, result.default_vif)
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def test__has_kuryrnet_crd(self):
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kuryrnet_crd = {
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"apiVersion": "openstack.org/v1",
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"items": [
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],
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"kind": "KuryrNetList",
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"metadata": {
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"continue": "",
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"resourceVersion": "33018",
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"selfLink": "/apis/openstack.org/v1/kuryrnets"
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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 = kuryrnet_crd
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kuryrnets_url = k_const.K8S_API_CRD_KURYRNETS
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resp = utils.has_kuryr_crd(kuryrnets_url)
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self.assertEqual(resp, True)
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def test__has_kuryrnetpolicy_crd(self):
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kuryrnetpolicies_crd = {
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"apiVersion": "openstack.org/v1",
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"items": [
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],
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"kind": "KuryrNetPolicyList",
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"metadata": {
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"continue": "",
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"resourceVersion": "34186",
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"selfLink": "/apis/openstack.org/v1/kuryrnetpolicies"
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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 = kuryrnetpolicies_crd
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kuryrnetpolicies_url = k_const.K8S_API_CRD_KURYRNETPOLICIES
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resp = utils.has_kuryr_crd(kuryrnetpolicies_url)
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self.assertEqual(resp, True)
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def test__has_kuryr_crd_error(self):
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crds = [k_const.K8S_API_CRD_KURYRNETS,
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k_const.K8S_API_CRD_KURYRNETPOLICIES,
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k_const.K8S_API_CRD_KURYRLOADBALANCERS]
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for crd_url in crds:
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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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resp = utils.has_kuryr_crd(crd_url)
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self.assertEqual(resp, False)
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kubernetes.get.assert_called_once()
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def test_get_endpoints_link(self):
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service = {'metadata': {
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'selfLink': "/api/v1/namespaces/default/services/test"}}
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ret = utils.get_endpoints_link(service)
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expected_link = "/api/v1/namespaces/default/endpoints/test"
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self.assertEqual(expected_link, ret)
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def test_get_service_ports(self):
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service = {'spec': {'ports': [
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{'port': 1, 'targetPort': 1},
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{'port': 2, 'name': 'X', 'protocol': 'UDP', 'targetPort': 2},
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{'port': 3, 'name': 'Y', 'protocol': 'SCTP', 'targetPort': 3}
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]}}
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expected_ret = [
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{'port': 1, 'name': None, 'protocol': 'TCP', 'targetPort': '1'},
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{'port': 2, 'name': 'X', 'protocol': 'UDP', 'targetPort': '2'},
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{'port': 3, 'name': 'Y', 'protocol': 'SCTP', 'targetPort': '3'}]
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ret = utils.get_service_ports(service)
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self.assertEqual(expected_ret, ret)
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@mock.patch('kuryr_kubernetes.utils.get_service_ports')
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def test_has_port_changes(self, m_get_service_ports):
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service = {
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'metadata': {
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'selfLink': ""
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},
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'spec': {
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'ports': [
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{
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'port': 1,
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'name': 'X',
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'protocol': 'TCP',
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'targetPort': '1'
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}
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]
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}
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}
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lb_crd_spec = {
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'spec': {
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'ports': [
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{
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'name': 'Y',
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'protocol': 'TCP',
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'port': 2,
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'targetPort': 2
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}
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]
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}
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}
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ret = utils.has_port_changes(service, lb_crd_spec)
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self.assertTrue(ret)
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@mock.patch('kuryr_kubernetes.utils.get_service_ports')
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def test_has_port_changes_more_ports(self, m_get_service_ports):
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service = {
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'metadata': {
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'selfLink': ""
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},
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'spec': {
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'ports': [
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{
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'port': 1,
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'name': 'X',
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'protocol': 'TCP',
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'targetPort': '1'
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}
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]
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}
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}
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lb_crd_spec = {
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'spec': {
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'ports': [
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{
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'name': 'X',
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'protocol': 'TCP',
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'port': 1,
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'targetPort': 1
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},
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{
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'name': 'Y',
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'protocol': 'TCP',
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'port': 2,
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'targetPort': 2
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}
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]
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}
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}
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ret = utils.has_port_changes(service, lb_crd_spec)
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self.assertTrue(ret)
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@mock.patch('kuryr_kubernetes.utils.get_service_ports')
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def test_has_port_changes_no_changes(self, m_get_service_ports):
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service = {
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'metadata': {
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'selfLink': ""
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},
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'spec': {
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'ports': [
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{
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'port': 1,
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'name': 'X',
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'protocol': 'TCP',
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'targetPort': '1'
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},
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{
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'name': 'Y',
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'protocol': 'TCP',
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'port': 2,
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'targetPort': '2'
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}
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]
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}
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}
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lb_crd_spec = {
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'spec': {
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'ports': [
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{
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'name': 'X',
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'protocol': 'TCP',
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'port': 1,
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'targetPort': '1'
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},
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{
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'name': 'Y',
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'protocol': 'TCP',
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'port': 2,
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'targetPort': '2'
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}
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]
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}
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}
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ret = utils.has_port_changes(service, lb_crd_spec)
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self.assertFalse(ret)
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def test_get_nodes_ips(self):
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os_net = self.useFixture(k_fix.MockNetworkClient()).client
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ip1 = munch.Munch({'fixed_ips': [{'ip_address': '10.0.0.1'}],
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'trunk_details': True})
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ip2 = munch.Munch({'fixed_ips': [{'ip_address': '10.0.0.2'}],
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'trunk_details': True})
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ip3 = munch.Munch({'fixed_ips': [{'ip_address': '10.0.0.3'}],
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'trunk_details': None})
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ports = (p for p in [ip1, ip2, ip3])
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os_net.ports.return_value = ports
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trunk_ips = utils.get_nodes_ips()
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os_net.ports.assert_called_once_with(status='ACTIVE')
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self.assertEqual(trunk_ips, [ip1.fixed_ips[0]['ip_address'],
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ip2.fixed_ips[0]['ip_address']])
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def test_get_nodes_ips_tagged(self):
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CONF.set_override('resource_tags', ['foo'], group='neutron_defaults')
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self.addCleanup(CONF.clear_override, 'resource_tags',
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group='neutron_defaults')
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os_net = self.useFixture(k_fix.MockNetworkClient()).client
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ip1 = munch.Munch({'fixed_ips': [{'ip_address': '10.0.0.1'}],
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'trunk_details': True})
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ip2 = munch.Munch({'fixed_ips': [{'ip_address': '10.0.0.2'}],
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'trunk_details': False})
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ports = (p for p in [ip1, ip2])
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os_net.ports.return_value = ports
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trunk_ips = utils.get_nodes_ips()
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os_net.ports.assert_called_once_with(status='ACTIVE', tags=['foo'])
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self.assertEqual(trunk_ips, [ip1.fixed_ips[0]['ip_address']])
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def test_get_subnet_cidr(self):
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os_net = self.useFixture(k_fix.MockNetworkClient()).client
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subnet_id = mock.sentinel.subnet_id
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subnet = munch.Munch(cidr='10.0.0.0/24')
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os_net.get_subnet.return_value = subnet
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result = utils.get_subnet_cidr(subnet_id)
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os_net.get_subnet.assert_called_once_with(subnet_id)
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self.assertEqual(result, '10.0.0.0/24')
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def test_get_subnet_cidr_no_such_subnet(self):
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os_net = self.useFixture(k_fix.MockNetworkClient()).client
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subnet_id = mock.sentinel.subnet_id
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os_net.get_subnet.side_effect = os_exc.ResourceNotFound
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self.assertRaises(os_exc.ResourceNotFound, utils.get_subnet_cidr,
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subnet_id)
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os_net.get_subnet.assert_called_once_with(subnet_id)
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def test_get_current_endpoints_target_with_target_ref(self):
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ep = {'addresses': ['10.0.2.107'], 'conditions': {'ready': True},
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'targetRef': {'kind': 'Pod', 'name': 'test-868d9cbd68-xq2fl',
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'namespace': 'test2'}}
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port = {'port': 8080, 'protocol': 'TCP'}
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spec_ports = {None: '31d59e41-05db-4a39-8aca-6a9a572c83cd'}
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ep_name = 'test'
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target = utils.get_current_endpoints_target(
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ep, port, spec_ports, ep_name)
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self.assertEqual(
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target, ('10.0.2.107', 'test-868d9cbd68-xq2fl', 8080,
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'31d59e41-05db-4a39-8aca-6a9a572c83cd'))
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def test_get_current_endpoints_target_without_target_ref(self):
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ep = {'addresses': ['10.0.1.208'], 'conditions': {'ready': True}}
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port = {'port': 8080, 'protocol': 'TCP'}
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spec_ports = {None: '4472fab1-f01c-46a7-b197-5cba4f2d7135'}
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ep_name = 'test'
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target = utils.get_current_endpoints_target(
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ep, port, spec_ports, ep_name)
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self.assertEqual(
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target, ('10.0.1.208', 'test', 8080,
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'4472fab1-f01c-46a7-b197-5cba4f2d7135'))
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def test_get_res_link_core_res(self):
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res = {'apiVersion': 'v1',
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'kind': 'Pod',
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'metadata': {'name': 'pod-1',
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'namespace': 'default'}}
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self.assertEqual(utils.get_res_link(res),
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'/api/v1/namespaces/default/pods/pod-1')
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def test_get_res_link_no_existent(self):
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res = {'apiVersion': 'customapi/v1',
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'kind': 'ItsATrap!',
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'metadata': {'name': 'pod-1',
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'namespace': 'default'}}
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self.assertRaises(KeyError, utils.get_res_link, res)
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def test_get_res_link_beta_res(self):
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res = {'apiVersion': 'networking.k8s.io/v2beta2',
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'kind': 'NetworkPolicy',
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'metadata': {'name': 'np-1',
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'namespace': 'default'}}
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self.assertEqual(utils.get_res_link(res), '/apis/networking.k8s.io/'
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'v2beta2/namespaces/default/networkpolicies/np-1')
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def test_get_res_link_no_namespace(self):
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res = {'apiVersion': 'v1',
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'kind': 'Namespace',
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'metadata': {'name': 'ns-1'}}
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self.assertEqual(utils.get_res_link(res), '/api/v1/namespaces/ns-1')
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def test_get_res_link_custom_api(self):
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res = {'apiVersion': 'openstack.org/v1',
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'kind': 'KuryrPort',
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'metadata': {'name': 'kp-1',
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'namespace': 'default'}}
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self.assertEqual(utils.get_res_link(res),
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'/apis/openstack.org/v1/namespaces/default/'
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'kuryrports/kp-1')
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def test_get_res_link_no_apiversion(self):
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res = {'kind': 'KuryrPort',
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'metadata': {'name': 'kp-1',
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'namespace': 'default'}}
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self.assertRaises(KeyError, utils.get_res_link, res)
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def test_get_api_ver_core_api(self):
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path = '/api/v1/namespaces/default/pods/pod-123'
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self.assertEqual(utils.get_api_ver(path), 'v1')
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def test_get_api_ver_custom_resource(self):
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path = '/apis/openstack.org/v1/namespaces/default/kuryrport/pod-123'
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self.assertEqual(utils.get_api_ver(path), 'openstack.org/v1')
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def test_get_api_ver_random_path(self):
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path = '/?search=foo'
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self.assertRaises(ValueError, utils.get_api_ver, path)
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def test_get_res_selflink_still_available(self):
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res = {'metadata': {'selfLink': '/foo'}}
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self.assertEqual(utils.get_res_link(res), '/foo')
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