Refactor OVN traffic test
Depends-On: https://review.opendev.org/c/x/devstack-plugin-tobiko/+/818097 Change-Id: I069b49e06ee2e719043ddae7a9f264633b4944ff
This commit is contained in:
Federico Ressi
parent
2181bcd3cb
commit
05b0aff85b
@ -14,14 +14,19 @@
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# under the License.
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from __future__ import absolute_import
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import typing
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import pytest
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import testtools
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from oslo_log import log
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import tobiko
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from tobiko.openstack import keystone
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from tobiko.openstack import neutron
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from tobiko.openstack import octavia
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from tobiko.openstack import stacks
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from tobiko.shell import sh
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from tobiko.shell import ssh
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LOG = log.getLogger(__name__)
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@ -84,3 +89,74 @@ class OctaviaBasicTrafficScenarioTest(testtools.TestCase):
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except octavia.RoundRobinException as e:
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if attempt.is_last:
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raise e
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@neutron.skip_unless_is_ovn()
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@keystone.skip_if_missing_service(name='octavia')
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class OctaviaOVNProviderTrafficTest(testtools.TestCase):
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"""Octavia OVN provider traffic test.
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Create an OVN provider load balancer with 2 members that run a server
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application,
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Create a client that is connected to the load balancer VIP port via FIP,
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Generate network traffic from the client to the load balanacer via ssh.
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"""
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loadbalancer_stack = tobiko.required_setup_fixture(
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stacks.OctaviaOvnProviderLoadbalancerStackFixture)
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listener_stack = tobiko.required_setup_fixture(
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stacks.OctaviaOvnProviderListenerStackFixture)
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pool_stack = tobiko.required_setup_fixture(
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stacks.OctaviaOvnProviderPoolStackFixture)
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member1_stack = tobiko.required_setup_fixture(
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stacks.OctaviaOvnProviderMemberServerStackFixture)
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member2_stack = tobiko.required_setup_fixture(
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stacks.OctaviaOvnProviderOtherMemberServerStackFixture)
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def setUp(self):
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# pylint: disable=no-member
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super(OctaviaOVNProviderTrafficTest, self).setUp()
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# Wait for Octavia objects to be active
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LOG.info(f'Waiting for {self.member1_stack.stack_name} and '
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f'{self.member2_stack.stack_name} to be created...')
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self.pool_stack.wait_for_active_members()
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octavia.wait_for_octavia_service(
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loadbalancer_id=self.loadbalancer_stack.loadbalancer_id)
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def test_ssh_traffic(self):
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LOG.info('Trying to ssh each member and get its hostname.')
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username: typing.Optional[str] = None
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expected = set()
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for member_stack in [self.member1_stack, self.member2_stack]:
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ssh_client = member_stack.server_stack.ssh_client
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expected.add(sh.get_hostname(ssh_client=ssh_client))
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if username is None:
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username = ssh_client.setup_connect_parameters()['username']
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else:
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self.assertEqual(
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username,
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ssh_client.setup_connect_parameters()['username'],
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"Member servers don't have the same "
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"username to login with")
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ssh_client = ssh.ssh_client(
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host=self.loadbalancer_stack.floating_ip_address,
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username=username)
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actual = set()
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for attempt in tobiko.retry(timeout=120.):
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with ssh_client: # disconnect after every loop
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actual.add(sh.ssh_hostname(ssh_client=ssh_client))
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unexpected = actual - expected
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if unexpected:
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self.fail(f'Unexpected hostname: {unexpected}')
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elif expected == actual:
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break
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elif attempt.is_last:
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self.fail(f'Unreached host(s): {expected - actual}')
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@ -1,85 +0,0 @@
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# Copyright (c) 2021 Red Hat
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# All Rights Reserved.
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#
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# Licensed under the Apache License, Version 2.0 (the "License"); you may
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# not use this file except in compliance with the License. You may obtain
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# 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, WITHOUT
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# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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# License for the specific language governing permissions and limitations
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# under the License.
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from __future__ import absolute_import
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import testtools
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from oslo_log import log
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import tobiko
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from tobiko import tripleo
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from tobiko.openstack import keystone
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from tobiko.openstack import octavia
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from tobiko.openstack import stacks
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from tobiko.shell import sh
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from tobiko.shell import ssh
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LOG = log.getLogger(__name__)
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@tripleo.skip_if_missing_overcloud
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@keystone.skip_if_missing_service(name='octavia')
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class OctaviaOVNProviderTrafficTest(testtools.TestCase):
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"""Octavia OVN provider traffic test.
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Create an OVN provider load balancer with 2 members that run a server
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application,
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Create a client that is connected to the load balancer VIP port via FIP,
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Generate network traffic from the client to the load balanacer via ssh.
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"""
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loadbalancer_stack = tobiko.required_setup_fixture(
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stacks.OctaviaOvnProviderLoadbalancerStackFixture)
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listener_stack = tobiko.required_setup_fixture(
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stacks.OctaviaOvnProviderListenerStackFixture)
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pool_stack = tobiko.required_setup_fixture(
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stacks.OctaviaOvnProviderPoolStackFixture)
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member1_stack = tobiko.required_setup_fixture(
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stacks.OctaviaOvnProviderMemberServerStackFixture)
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member2_stack = tobiko.required_setup_fixture(
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stacks.OctaviaOvnProviderOtherMemberServerStackFixture)
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def setUp(self):
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# pylint: disable=no-member
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super(OctaviaOVNProviderTrafficTest, self).setUp()
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# Wait for Octavia objects to be active
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LOG.info(f'Waiting for {self.member1_stack.stack_name} and '
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f'{self.member2_stack.stack_name} to be created...')
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self.pool_stack.wait_for_active_members()
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octavia.wait_for_octavia_service(
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loadbalancer_id=self.loadbalancer_stack.loadbalancer_id)
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def test_ovn_provider_traffic(self):
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LOG.info('Trying to ssh each member and print "test #<num>"')
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for i in range(len(octavia.list_members(self.pool_stack.pool_id))):
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command = f'echo test {i}'
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my_ssh_client = ssh.ssh_client(
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username='cirros',
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host=self.loadbalancer_stack.floating_ip_address,
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password='cubswin:)')
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out = sh.execute(command, ssh_client=my_ssh_client).stdout
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LOG.info(out)
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if out.endswith('\n'):
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out = out[:-1]
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expected_out = f'test {i}'
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self.assertEqual(expected=expected_out, observed=out)
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