kuryr-kubernetes/kuryr_kubernetes/tests/unit/controller/handlers/test_ingress_lbaas.py

193 lines
7.8 KiB
Python

# Copyright (c) 2018 RedHat, 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.
import mock
import uuid
from kuryr_kubernetes.controller.handlers import ingress_lbaas as h_ing_lbaas
from kuryr_kubernetes.objects import lbaas as obj_lbaas
from kuryr_kubernetes.tests.unit.controller.handlers import \
test_lbaas as t_lbaas
class TestIngressLoadBalancerHandler(t_lbaas.TestLoadBalancerHandler):
@mock.patch('kuryr_kubernetes.controller.handlers.lbaas'
'.LoadBalancerHandler._cleanup_leftover_lbaas')
@mock.patch('kuryr_kubernetes.controller.drivers.base'
'.LBaaSDriver.get_instance')
def test_init(self, m_get_drv_lbaas, m_cleanup_leftover_lbaas):
m_get_drv_lbaas.return_value = mock.sentinel.drv_lbaas
handler = h_ing_lbaas.IngressLoadBalancerHandler()
self.assertEqual(mock.sentinel.drv_lbaas, handler._drv_lbaas)
@mock.patch('kuryr_kubernetes.utils.get_lbaas_spec')
def test_on_present_no_ing_ctrlr(self, m_get_lbaas_spec):
endpoints = mock.sentinel.endpoints
m_handler = mock.Mock(spec=h_ing_lbaas.IngressLoadBalancerHandler)
m_handler._l7_router = None
h_ing_lbaas.IngressLoadBalancerHandler.on_present(m_handler, endpoints)
m_get_lbaas_spec.assert_not_called()
m_handler._should_ignore.assert_not_called()
def test_should_ignore(self):
endpoints = mock.sentinel.endpoints
lbaas_spec = mock.sentinel.lbaas_spec
m_handler = mock.Mock(spec=h_ing_lbaas.IngressLoadBalancerHandler)
m_handler._has_pods.return_value = False
ret = h_ing_lbaas.IngressLoadBalancerHandler._should_ignore(
m_handler, endpoints, lbaas_spec)
self.assertEqual(True, ret)
m_handler._has_pods.assert_called_once_with(endpoints)
def test_should_ignore_with_pods(self):
endpoints = mock.sentinel.endpoints
lbaas_spec = mock.sentinel.lbaas_spec
m_handler = mock.Mock(spec=h_ing_lbaas.IngressLoadBalancerHandler)
m_handler._has_pods.return_value = True
ret = h_ing_lbaas.IngressLoadBalancerHandler._should_ignore(
m_handler, endpoints, lbaas_spec)
self.assertEqual(False, ret)
m_handler._has_pods.assert_called_once_with(endpoints)
def _generate_route_state(self, vip, targets, project_id, subnet_id):
name = 'DUMMY_NAME'
drv = t_lbaas.FakeLBaaSDriver()
lb = drv.ensure_loadbalancer(
name, project_id, subnet_id, vip, None, 'ClusterIP')
pool = drv.ensure_pool_attached_to_lb(lb, 'namespace',
'svc_name', 'HTTP')
members = {}
for ip, (listen_port, target_port) in targets.items():
members.setdefault((ip, listen_port, target_port),
drv.ensure_member(lb, pool,
subnet_id, ip,
target_port, None, None))
return obj_lbaas.LBaaSRouteState(
pool=pool,
members=list(members.values()))
def _sync_route_members_impl(self, m_get_drv_lbaas, m_get_drv_project,
m_get_drv_subnets, subnet_id, project_id,
endpoints, state, spec):
m_drv_lbaas = mock.Mock(wraps=t_lbaas.FakeLBaaSDriver())
m_drv_project = mock.Mock()
m_drv_project.get_project.return_value = project_id
m_drv_subnets = mock.Mock()
m_drv_subnets.get_subnets.return_value = {
subnet_id: mock.sentinel.subnet}
m_get_drv_lbaas.return_value = m_drv_lbaas
m_get_drv_project.return_value = m_drv_project
m_get_drv_subnets.return_value = m_drv_subnets
handler = h_ing_lbaas.IngressLoadBalancerHandler()
handler._l7_router = t_lbaas.FakeLBaaSDriver().ensure_loadbalancer(
name='L7_Router',
project_id=project_id,
subnet_id=subnet_id,
ip='1.2.3.4',
security_groups_ids=None,
service_type='ClusterIP')
with mock.patch.object(handler, '_get_pod_subnet') as m_get_pod_subnet:
m_get_pod_subnet.return_value = subnet_id
handler._sync_lbaas_route_members(endpoints, state, spec)
observed_targets = sorted(
(str(member.ip), (
member.port,
member.port))
for member in state.members)
return observed_targets
@mock.patch('kuryr_kubernetes.controller.handlers.lbaas'
'.LoadBalancerHandler._cleanup_leftover_lbaas')
@mock.patch('kuryr_kubernetes.controller.drivers.base'
'.PodSubnetsDriver.get_instance')
@mock.patch('kuryr_kubernetes.controller.drivers.base'
'.PodProjectDriver.get_instance')
@mock.patch('kuryr_kubernetes.controller.drivers.base'
'.LBaaSDriver.get_instance')
def test__sync_lbaas_route_members(self, m_get_drv_lbaas,
m_get_drv_project, m_get_drv_subnets,
m_cleanup_leftover_lbaas):
project_id = str(uuid.uuid4())
subnet_id = str(uuid.uuid4())
current_ip = '1.1.1.1'
current_targets = {
'1.1.1.101': (1001, 1001),
'1.1.1.111': (1001, 1001),
'1.1.1.201': (2001, 2001)}
expected_ip = '2.2.2.2'
expected_targets = {
'2.2.2.101': (1201, 1201),
'2.2.2.111': (1201, 1201),
'2.2.2.201': (2201, 2201)}
endpoints = self._generate_endpoints(expected_targets)
state = self._generate_route_state(
current_ip, current_targets, project_id, subnet_id)
spec = self._generate_lbaas_spec(expected_ip, expected_targets,
project_id, subnet_id)
observed_targets = self._sync_route_members_impl(
m_get_drv_lbaas, m_get_drv_project, m_get_drv_subnets,
subnet_id, project_id, endpoints, state, spec)
self.assertEqual(sorted(expected_targets.items()), observed_targets)
def test_on_deleted_no_ingress_controller(self):
endpoints = mock.sentinel.endpoints
m_handler = mock.Mock(spec=h_ing_lbaas.IngressLoadBalancerHandler)
m_handler._l7_router = None
h_ing_lbaas.IngressLoadBalancerHandler.on_deleted(m_handler, endpoints)
m_handler._get_lbaas_route_state.assert_not_called()
m_handler._remove_unused_route_members.assert_not_called()
def test_on_deleted(self):
endpoints = mock.sentinel.endpoints
project_id = str(uuid.uuid4())
subnet_id = str(uuid.uuid4())
m_handler = mock.Mock(spec=h_ing_lbaas.IngressLoadBalancerHandler)
m_handler._l7_router = t_lbaas.FakeLBaaSDriver().ensure_loadbalancer(
name='L7_Router',
project_id=project_id,
subnet_id=subnet_id,
ip='1.2.3.4',
security_groups_ids=None,
service_type='ClusterIP')
m_handler._get_lbaas_route_state.return_value = (
obj_lbaas.LBaaSRouteState())
m_handler._remove_unused_route_members.return_value = True
h_ing_lbaas.IngressLoadBalancerHandler.on_deleted(m_handler, endpoints)
m_handler._get_lbaas_route_state.assert_called_once()
m_handler._remove_unused_route_members.assert_called_once()