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test_lbaas.py
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test_lbaas.py
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# Copyright (c) 2016 Mirantis, Inc.
# All Rights Reserved.
#
# 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 oslo_log import log as logging
from unittest import mock
import os_vif.objects.network as osv_network
import os_vif.objects.subnet as osv_subnet
from kuryr_kubernetes.controller.handlers import lbaas as h_lbaas
from kuryr_kubernetes import exceptions as k_exc
from kuryr_kubernetes.tests import base as test_base
_SUPPORTED_LISTENER_PROT = ('HTTP', 'HTTPS', 'TCP')
@mock.patch('kuryr_kubernetes.controller.drivers.base.LBaaSDriver.'
'get_instance', mock.Mock())
@mock.patch('kuryr_kubernetes.clients.get_kubernetes_client', mock.Mock())
class TestServiceHandler(test_base.TestCase):
@mock.patch('kuryr_kubernetes.clients.get_kubernetes_client')
def test_on_present(self, get_k8s_client):
svc_event = {
'apiVersion': 'v1',
'kind': 'Service',
"metadata": {
"creationTimestamp": "2020-07-25T18:15:12Z",
"finalizers": [
"openstack.org/service"
],
"labels": {
"run": "test"
},
"name": "test",
"namespace": "test",
"resourceVersion": "413753",
"uid": "a026ae48-6141-4029-b743-bac48dae7f06"
},
"spec": {
"clusterIP": "2.2.2.2",
"ports": [
{
"port": 1,
"protocol": "TCP",
"targetPort": 1
}
],
"selector": {
"run": "test"
},
"sessionAffinity": "None",
"type": "ClusterIP"
},
"status": {
"loadBalancer": {}
}
}
old_spec = {
'apiVersion': 'openstack.org/v1',
'kind': 'KuryrLoadBalancer',
'metadata': {
'name': 'test',
'finalizers': [''],
},
'spec': {
'ip': '1.1.1.1'
}
}
new_spec = {
'apiVersion': 'openstack.org/v1',
'kind': 'KuryrLoadBalancer',
'metadata': {
'name': 'test',
'finalizers': [''],
},
'spec': {
'ip': '2.2.2.2'
}
}
project_id = mock.sentinel.project_id
m_drv_project = mock.Mock()
m_drv_project.get_project.return_value = project_id
m_handler = mock.Mock(spec=h_lbaas.ServiceHandler)
m_handler._has_lbaas_spec_changes.return_value = True
m_handler.create_crd_spec.return_value = new_spec
m_handler._should_ignore.return_value = False
m_handler._drv_project = m_drv_project
m_handler.k8s = mock.Mock()
h_lbaas.ServiceHandler.on_present(m_handler, svc_event)
m_handler.create_crd_spec(svc_event)
m_handler._has_lbaas_spec_changes.return_value = True
m_handler._update_crd_spec(old_spec, svc_event)
@mock.patch('kuryr_kubernetes.clients.get_kubernetes_client')
def test_on_present_no_changes(self, get_k8s_client):
svc_event = {
'apiVersion': 'v1',
'kind': 'Service',
"metadata": {
"creationTimestamp": "2020-07-25T18:15:12Z",
"finalizers": [
"openstack.org/service"
],
"labels": {
"run": "test"
},
"name": "test",
"namespace": "test",
"resourceVersion": "413753",
"uid": "a026ae48-6141-4029-b743-bac48dae7f06"
},
"spec": {
"clusterIP": "2.2.2.2",
"ports": [
{
"port": 1,
"protocol": "TCP",
"targetPort": 1
}
],
"selector": {
"run": "test"
},
"sessionAffinity": "None",
"type": "ClusterIP"
},
"status": {
"loadBalancer": {}
}
}
old_spec = {
'apiVersion': 'openstack.org/v1',
'kind': 'KuryrLoadBalancer',
'metadata': {
'name': 'test',
'finalizers': [''],
},
'spec': {
'ip': '1.1.1.1'
}
}
project_id = mock.sentinel.project_id
m_drv_project = mock.Mock()
m_drv_project.get_project.return_value = project_id
m_handler = mock.Mock(spec=h_lbaas.ServiceHandler)
m_handler._has_lbaas_spec_changes.return_value = True
m_handler.create_crd_spec.return_value = old_spec
m_handler._should_ignore.return_value = False
m_handler._drv_project = m_drv_project
m_handler.k8s = mock.Mock()
h_lbaas.ServiceHandler.on_present(m_handler, svc_event)
m_handler.create_crd_spec(svc_event)
m_handler._has_lbaas_spec_changes.return_value = False
def test_get_service_ip(self):
svc_body = {'spec': {'type': 'ClusterIP',
'clusterIP': '192.168.0.11'}}
handler = h_lbaas.ServiceHandler()
ret = handler._get_service_ip(svc_body)
self.assertEqual('192.168.0.11', ret)
svc_body = {'spec': {'type': 'LoadBalancer',
'clusterIP': '192.168.0.11'}}
ret = handler._get_service_ip(svc_body)
self.assertEqual('192.168.0.11', ret)
def test_get_service_ip_funny(self):
svc_body = {'spec': {'type': 'ClusterIP',
'clusterIP': '172.30.0.011'}}
handler = h_lbaas.ServiceHandler()
ret = handler._get_service_ip(svc_body)
self.assertEqual('172.30.0.11', ret)
def test_is_supported_type_clusterip(self):
m_handler = mock.Mock(spec=h_lbaas.ServiceHandler)
svc_body = {'spec': {'type': 'ClusterIP',
'clusterIP': mock.sentinel.cluster_ip}}
ret = h_lbaas.ServiceHandler._is_supported_type(m_handler, svc_body)
self.assertEqual(ret, True)
def test_is_supported_type_loadbalancer(self):
m_handler = mock.Mock(spec=h_lbaas.ServiceHandler)
svc_body = {'spec': {'type': 'LoadBalancer',
'clusterIP': mock.sentinel.cluster_ip}}
ret = h_lbaas.ServiceHandler._is_supported_type(m_handler, svc_body)
self.assertEqual(ret, True)
def _make_test_net_obj(self, cidr_list):
subnets = [osv_subnet.Subnet(cidr=cidr) for cidr in cidr_list]
subnets_list = osv_subnet.SubnetList(objects=subnets)
return osv_network.Network(subnets=subnets_list)
@mock.patch('kuryr_kubernetes.utils.has_port_changes')
def test_has_lbaas_spec_changes(self, m_port_changes):
m_handler = mock.Mock(spec=h_lbaas.ServiceHandler)
service = mock.sentinel.service
lbaas_spec = mock.sentinel.lbaas_spec
for has_ip_changes in (True, False):
for has_port_changes in (True, False):
for timeout in (True, False):
for provider in (True, False):
m_handler._has_ip_changes.return_value = has_ip_changes
m_port_changes.return_value = has_port_changes
m_handler._has_timeout_changes.return_value = timeout
m_handler._has_provider_changes.return_value = provider
ret = h_lbaas.ServiceHandler._has_lbaas_spec_changes(
m_handler, service, lbaas_spec)
self.assertEqual(
has_ip_changes or has_port_changes or timeout
or provider, ret)
def test_has_ip_changes(self):
m_handler = mock.Mock(spec=h_lbaas.ServiceHandler)
m_service = {'apiVersion': 'v1',
'kind': 'Service',
"metadata": {"name": "test",
"namespace": "test"}}
m_handler._get_service_ip.return_value = '1.1.1.1'
m_lbaas_spec = mock.MagicMock()
m_lbaas_spec.ip.__str__.return_value = '2.2.2.2'
ret = h_lbaas.ServiceHandler._has_ip_changes(
m_handler, m_service, m_lbaas_spec)
self.assertTrue(ret)
def test_has_ip_changes__no_changes(self):
service = {
'apiVersion': 'v1',
'kind': 'Service',
"metadata": {
"creationTimestamp": "2020-07-25T18:15:12Z",
"finalizers": [
"openstack.org/service"
],
"labels": {
"run": "test"
},
"name": "test",
"namespace": "test",
"resourceVersion": "413753",
"uid": "a026ae48-6141-4029-b743-bac48dae7f06"
},
"spec": {
"clusterIP": "1.1.1.1"
}
}
m_handler = mock.Mock(spec=h_lbaas.ServiceHandler)
m_handler._get_service_ip.return_value = '1.1.1.1'
lb_crd = {
'apiVersion': 'openstack.org/v1',
'kind': 'KuryrLoadBalancer',
'metadata': {
'name': 'test',
'finalizers': [''],
},
'spec': {
'ip': '1.1.1.1'
}
}
ret = h_lbaas.ServiceHandler._has_ip_changes(
m_handler, service, lb_crd)
self.assertFalse(ret)
def test_has_ip_changes__no_spec(self):
m_handler = mock.Mock(spec=h_lbaas.ServiceHandler)
m_handler._get_service_ip.return_value = '1.1.1.1'
service = {
'apiVersion': 'v1',
'kind': 'Service',
"metadata": {
"creationTimestamp": "2020-07-25T18:15:12Z",
"finalizers": [
"openstack.org/service"
],
"labels": {
"run": "test"
},
"name": "test",
"namespace": "test",
"resourceVersion": "413753",
"uid": "a026ae48-6141-4029-b743-bac48dae7f06"
},
"spec": {
"clusterIP": "1.1.1.1"
}
}
lb_crd = {
"spec": {
"ip": None
}
}
ret = h_lbaas.ServiceHandler._has_ip_changes(
m_handler, service, lb_crd)
self.assertTrue(ret)
def test_has_ip_changes__no_nothing(self):
m_handler = mock.Mock(spec=h_lbaas.ServiceHandler)
service = {
'apiVersion': 'v1',
'kind': 'Service',
"metadata": {
"creationTimestamp": "2020-07-25T18:15:12Z",
"finalizers": [
"openstack.org/service"
],
"labels": {
"run": "test"
},
"name": "test",
"namespace": "test",
"resourceVersion": "413753",
"uid": "a026ae48-6141-4029-b743-bac48dae7f06"
},
"spec": {
"clusterIP": "1.1.1.1"
}
}
lb_crd = {
"spec": {
"ip": None
}
}
m_handler._get_service_ip.return_value = None
ret = h_lbaas.ServiceHandler._has_ip_changes(
m_handler, service, lb_crd)
self.assertFalse(ret)
def test_set_lbaas_spec(self):
self.skipTest("skipping until generalised annotation handling is "
"implemented")
def test_get_lbaas_spec(self):
self.skipTest("skipping until generalised annotation handling is "
"implemented")
class TestEndpointsHandler(test_base.TestCase):
def setUp(self):
super().setUp()
self._ep_name = 'my-service'
self._ep_namespace = mock.sentinel.namespace
self._ep_ip = '1.2.3.4'
self._ep = {
"kind": "Endpoints",
"apiVersion": "v1",
"metadata": {
"name": self._ep_name,
"namespace": self._ep_namespace,
},
"subsets": [
{
"addresses": [
{
"ip": self._ep_ip
},
],
"ports": [
{
"port": 8080,
"protocol": "TCP"
}
]
}
]
}
self._klb_name = 'my-service'
self._klb_ip = '1.1.1.1'
self._klb = {
'apiVersion': 'openstack.org/v1',
'kind': 'KuryrLoadBalancer',
'metadata': {
'name': self._klb_name,
'finalizers': [''],
},
'spec': {
'ip': self._klb_ip
}
}
def test_on_deleted(self):
m_handler = mock.Mock(spec=h_lbaas.EndpointsHandler)
h_lbaas.EndpointsHandler.on_deleted(m_handler, self._ep)
m_handler._remove_endpoints.assert_called_once_with(self._ep)
@mock.patch('kuryr_kubernetes.utils.get_klb_crd_path')
def test__remove_endpoints(self, get_klb_crd_path):
m_handler = mock.Mock()
h_lbaas.EndpointsHandler._remove_endpoints(m_handler, self._ep)
m_handler.k8s.patch_crd.assert_called_once_with(
'spec', get_klb_crd_path(self._ep), 'endpointSlices',
action='remove')
@mock.patch.object(logging.getLogger(
'kuryr_kubernetes.controller.handlers.lbaas'),
'debug')
def test__remove_endpoints_not_found(self, log):
m_handler = mock.Mock()
m_handler.k8s.patch_crd.side_effect = k_exc.K8sResourceNotFound('foo')
h_lbaas.EndpointsHandler._remove_endpoints(m_handler, self._ep)
log.assert_called_once()
def test__remove_endpoints_client_exception(self):
m_handler = mock.Mock()
m_handler.k8s.patch_crd.side_effect = k_exc.K8sClientException()
self.assertRaises(k_exc.K8sClientException,
h_lbaas.EndpointsHandler._remove_endpoints,
m_handler, self._ep)
@mock.patch.object(logging.getLogger(
'kuryr_kubernetes.controller.handlers.lbaas'),
'warning')
def test__remove_endpoints_unprocessable_entity(self, log):
m_handler = mock.Mock()
m_handler.k8s.patch_crd.side_effect = k_exc.K8sUnprocessableEntity(
'bar')
h_lbaas.EndpointsHandler._remove_endpoints(m_handler, self._ep)
log.assert_not_called()