156 lines
6.6 KiB
Python
156 lines
6.6 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 oslo_concurrency import lockutils
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from oslo_log import log as logging
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from tempest import config
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from tempest.lib import decorators
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from kuryr_tempest_plugin.tests.scenario import base
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LOG = logging.getLogger(__name__)
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CONF = config.CONF
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class TestPortPoolScenario(base.BaseKuryrScenarioTest):
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@classmethod
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def skip_checks(cls):
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super(TestPortPoolScenario, cls).skip_checks()
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if not CONF.kuryr_kubernetes.namespace_enabled:
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raise cls.skipException('Namespace driver and handler must be '
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'enabled to run these tests')
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if not CONF.kuryr_kubernetes.port_pool_enabled:
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raise cls.skipException(
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"Port pool feature should be enabled to run these tests.")
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def get_subnet_id_for_ns(self, namespace_name):
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subnet_name = 'ns/' + namespace_name + '-subnet'
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subnets_list = self.os_admin.subnets_client.list_subnets()
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subnet_id = [n['id'] for n in subnets_list['subnets']
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if n['name'] == subnet_name][0]
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return subnet_id
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@decorators.idempotent_id('bddf5441-1244-449d-a125-b5fddfb1a3aa')
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@lockutils.synchronized('port-pool-restarts')
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def test_port_pool(self):
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namespace_name, namespace = self.create_namespace()
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self.addCleanup(self.delete_namespace, namespace_name)
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subnet_id = self.get_subnet_id_for_ns(namespace_name)
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# check the original length of list of ports for new ns
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port_list_num = len(self.os_admin.ports_client.list_ports(
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fixed_ips='subnet_id=%s' % subnet_id)['ports'])
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# create a pod to test the port pool increase
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pod_name1, _ = self.create_pod(namespace=namespace_name)
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# port number should increase by ports_pool_batch value
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updated_port_list_num = len(self.os_admin.ports_client.list_ports(
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fixed_ips='subnet_id=%s' % subnet_id)['ports'])
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num_to_compare = updated_port_list_num - CONF.vif_pool.ports_pool_batch
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self.assertEqual(num_to_compare, port_list_num)
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# create additional pod
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self.create_pod(namespace=namespace_name)
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# the port pool should stay the same
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updated2_port_list_num = len(self.os_admin.ports_client.list_ports(
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fixed_ips='subnet_id=%s' % subnet_id)['ports'])
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self.assertEqual(updated_port_list_num, updated2_port_list_num)
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# to test the reload of the pools, we will also test the restart of the
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# kuryr-controller
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self.restart_kuryr_controller()
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port_list_num_after_restart = len(
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self.os_admin.ports_client.list_ports(
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fixed_ips='subnet_id=%s' % subnet_id)['ports'])
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self.assertEqual(updated_port_list_num, port_list_num_after_restart,
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"Number of Neutron ports on namespace %s subnet "
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"changed after kuryr-controller "
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"restart" % namespace_name)
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# create additional pod
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pod_name3, _ = self.create_pod(namespace=namespace_name)
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# the total number of ports should stay the same
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updated3_port_list_num = len(self.os_admin.ports_client.list_ports(
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fixed_ips='subnet_id=%s' % subnet_id)['ports'])
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self.assertEqual(updated_port_list_num, updated3_port_list_num)
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# check connectivity between pods
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pod_ip = self.get_pod_ip(pod_name1, namespace=namespace_name)
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cmd = [
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"/bin/sh", "-c", "ping -c 4 {dst_ip}>/dev/null ; echo $?".format(
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dst_ip=pod_ip)]
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self.assertEqual(self.exec_command_in_pod(
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pod_name3, cmd, namespace=namespace_name), '0')
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@decorators.idempotent_id('bddd5441-1244-429d-a125-b55ddfb134a9')
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@lockutils.synchronized('port-pool-restarts')
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def test_port_pool_update(self):
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UPDATED_POOL_BATCH = 5
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CONFIG_MAP_NAME = 'kuryr-config'
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CONF_TO_UPDATE = 'kuryr.conf'
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SECTION_TO_UPDATE = 'vif_pool'
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# Check resources are created
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namespace_name, namespace = self.create_namespace()
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self.addCleanup(self.delete_namespace, namespace_name)
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subnet_id = self.get_subnet_id_for_ns(namespace_name)
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self.update_config_map_ini_section_and_restart(
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name=CONFIG_MAP_NAME,
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conf_to_update=CONF_TO_UPDATE,
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section=SECTION_TO_UPDATE,
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ports_pool_max=0,
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ports_pool_batch=UPDATED_POOL_BATCH,
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ports_pool_min=1)
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self.addCleanup(
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self.update_config_map_ini_section_and_restart, CONFIG_MAP_NAME,
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CONF_TO_UPDATE, SECTION_TO_UPDATE,
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ports_pool_batch=CONF.vif_pool.ports_pool_batch,
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ports_pool_max=CONF.vif_pool.ports_pool_max,
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ports_pool_min=CONF.vif_pool.ports_pool_min)
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# check the original length of list of ports for new ns
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port_list_num = len(self.os_admin.ports_client.list_ports(
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fixed_ips='subnet_id=%s' % subnet_id)['ports'])
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# create a pod to test the port pool increase by updated value
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pod_name1, pod1 = self.create_pod(namespace=namespace_name)
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# port number should increase by updated ports_pool_batch value
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updated_port_list_num = len(self.os_admin.ports_client.list_ports(
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fixed_ips='subnet_id=%s' % subnet_id)['ports'])
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num_to_compare = updated_port_list_num - UPDATED_POOL_BATCH
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self.assertEqual(num_to_compare, port_list_num)
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# create additional pod
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pod_name2, pod2 = self.create_pod(namespace=namespace_name)
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# the total number of ports should stay the same
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updated2_port_list_num = len(self.os_admin.ports_client.list_ports(
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fixed_ips='subnet_id=%s' % subnet_id)['ports'])
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self.assertEqual(updated_port_list_num, updated2_port_list_num)
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# check connectivity between pods
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pod_ip = self.get_pod_ip(pod_name1, namespace=namespace_name)
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cmd = [
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"/bin/sh", "-c", "ping -c 4 {dst_ip}>/dev/null ; echo $?".format(
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dst_ip=pod_ip)]
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self.assertEqual(self.exec_command_in_pod(
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pod_name2, cmd, namespace=namespace_name), '0')
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