kuryr-tempest-plugin/kuryr_tempest_plugin/tests/scenario/test_port_pool.py

112 lines
4.4 KiB
Python

# Copyright 2018 Red Hat, Inc.
#
# 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 time
from oslo_log import log as logging
from tempest import config
from tempest.lib import decorators
from tempest.lib import exceptions as lib_exc
from kuryr_tempest_plugin.tests.scenario import base
LOG = logging.getLogger(__name__)
CONF = config.CONF
class TestPortPoolScenario(base.BaseKuryrScenarioTest):
@classmethod
def skip_checks(cls):
super(TestPortPoolScenario, cls).skip_checks()
if not CONF.kuryr_kubernetes.port_pool_enabled:
raise cls.skipException(
"Port pool feature should be enabled to run this test.")
@decorators.idempotent_id('bddf5441-1244-449d-a125-b5fddfb1a3aa')
def test_port_pool(self):
# check the original length of list of ports
port_list_num = len(self.os_admin.ports_client.list_ports()['ports'])
# create a pod to test the port pool increase
pod_name, pod = self.create_pod()
self.addCleanup(self.delete_pod, pod_name, pod)
# port number should increase by ports_pool_batch value
updated_port_list_num = len(
self.os_admin.ports_client.list_ports()['ports'])
self.assertEqual(
updated_port_list_num-CONF.vif_pool.ports_pool_batch,
port_list_num)
# create additional pod
pod_name, pod = self.create_pod()
self.addCleanup(self.delete_pod, pod_name, pod)
# the port pool should stay the same
updated2_port_list_num = len(
self.os_admin.ports_client.list_ports()['ports'])
self.assertEqual(updated_port_list_num, updated2_port_list_num)
# to test the reload of the pools, we will also test the restart of the
# kuryr-controller
kube_system_pods = self.get_pod_name_list(
namespace=CONF.kuryr_kubernetes.kube_system_namespace)
for kuryr_pod_name in kube_system_pods:
if kuryr_pod_name.startswith('kuryr-controller'):
self.delete_pod(
pod_name=kuryr_pod_name,
body={"kind": "DeleteOptions",
"apiVersion": "v1",
"gracePeriodSeconds": 0},
namespace=CONF.kuryr_kubernetes.kube_system_namespace)
# make sure the kuryr pod was deleted
self.wait_for_pod_status(
kuryr_pod_name,
namespace=CONF.kuryr_kubernetes.kube_system_namespace)
# Check that new kuryr-controller is up and running
kube_system_pods = self.get_pod_name_list(
namespace=CONF.kuryr_kubernetes.kube_system_namespace)
for kube_system_pod in kube_system_pods:
if kube_system_pod.startswith('kuryr-controller'):
self.wait_for_pod_status(
kube_system_pod,
namespace=CONF.kuryr_kubernetes.kube_system_namespace,
pod_status='Running',
retries=120)
# Wait until kuryr-controller pools are reloaded, i.e.,
# kuryr-controller is ready
pod_readiness_retries = 30
while not self.get_pod_readiness(
kube_system_pod,
namespace=CONF.kuryr_kubernetes.kube_system_namespace,
container_name='controller'):
time.sleep(1)
pod_readiness_retries -= 1
if pod_readiness_retries == 0:
raise lib_exc.TimeoutException()
# create additional pod
pod_name, pod = self.create_pod()
self.addCleanup(self.delete_pod, pod_name, pod)
# the port pool should stay the same
updated3_port_list_num = len(
self.os_admin.ports_client.list_ports()['ports'])
self.assertEqual(updated_port_list_num, updated3_port_list_num)