Testing OpenStack upgrades
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# Copyright (c) 2019 Red Hat, 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 __future__ import absolute_import
import os
import netaddr
import testtools
import tobiko
from tobiko.openstack import keystone
from tobiko.openstack import nova
from tobiko.openstack import stacks
from tobiko.shell import ping
class KeyPairTest(testtools.TestCase):
stack = tobiko.required_setup_fixture(stacks.KeyPairStackFixture)
def test_key_files(self):
self.assertTrue(os.path.isfile(self.stack.key_file))
self.assertTrue(os.path.isfile(self.stack.key_file + '.pub'))
@keystone.skip_unless_has_keystone_credentials()
class ClientTest(testtools.TestCase):
#: Stack of resources with a server attached to a floating IP
stack = tobiko.required_setup_fixture(stacks.CirrosServerStackFixture)
@nova.skip_if_missing_hypervisors(count=1)
def test_list_hypervisors(self):
hypervisor = nova.list_hypervisors().first
self.assertIsInstance(hypervisor.id, int)
self.assertTrue(hypervisor.hypervisor_hostname)
netaddr.IPAddress(hypervisor.host_ip)
@nova.skip_if_missing_hypervisors(count=1)
def test_list_hypervisors_without_details(self):
hypervisor = nova.list_hypervisors(detailed=False).first
self.assertIsInstance(hypervisor.id, int)
self.assertTrue(hypervisor.hypervisor_hostname)
self.assertFalse(hasattr(hypervisor, 'host_ip'))
@nova.skip_if_missing_hypervisors(count=1)
def test_list_hypervisors_with_hypervisor_hostname(self):
hypervisor1 = nova.list_hypervisors().first
hypervisor2 = nova.list_hypervisors(
hypervisor_hostname=hypervisor1.hypervisor_hostname).unique
self.assertEqual(hypervisor1, hypervisor2)
@nova.skip_if_missing_hypervisors(count=1)
def test_find_hypervisor(self):
hypervisor = nova.find_hypervisor()
self.assertIsNotNone(hypervisor)
@nova.skip_if_missing_hypervisors(count=2)
def test_find_hypervisor_with_unique(self):
self.assertRaises(tobiko.MultipleObjectsFound, nova.find_hypervisor,
unique=True)
@nova.skip_if_missing_hypervisors(count=2)
def test_find_hypervisor_without_unique(self):
hypervisor = nova.find_hypervisor()
self.assertIsNotNone(hypervisor)
def test_get_console_output(self):
output = nova.get_console_output(server=self.stack.server_id,
length=50,
timeout=60.)
self.assertTrue(output)
def test_list_servers(self):
server_id = self.stack.server_id
for server in nova.list_servers():
if server_id == server.id:
break
else:
self.fail('Server {} not found'.format(server_id))
def test_find_server(self):
server_id = self.stack.server_id
server = nova.find_server(id=server_id, unique=True)
self.assertEqual(server_id, server.id)
def test_wait_for_server_status(self):
server_id = self.stack.server_id
server = nova.wait_for_server_status(server=server_id, status='ACTIVE')
self.assertEqual(server_id, server.id)
self.assertEqual('ACTIVE', server.status)
class ServerActionsStack(stacks.CirrosServerStackFixture):
pass
class ServerActionsTest(testtools.TestCase):
stack = tobiko.required_setup_fixture(ServerActionsStack)
def test_activate_server(self, initial_status='SHUTOFF'):
self.stack.ensure_server_status(initial_status)
server = nova.activate_server(self.stack.server_id)
self.assertEqual('ACTIVE', server.status)
ping.assert_reachable_hosts([self.stack.ip_address])
def test_activate_server_when_shutoff(self):
self.test_activate_server(initial_status='SHUTOFF')
def test_shutoff_server(self, initial_status='ACTIVE'):
self.stack.ensure_server_status(initial_status)
server = nova.shutoff_server(self.stack.server_id)
self.assertEqual('SHUTOFF', server.status)
ping.assert_unreachable_hosts([self.stack.ip_address])
def test_shutoff_server_when_shutoff(self):
self.test_shutoff_server(initial_status='SHUTOFF')
@keystone.skip_unless_has_keystone_credentials()
class HypervisorTest(testtools.TestCase):
def test_skip_if_missing_hypervisors(self, count=1, should_skip=False,
**params):
if should_skip:
expected_exeption = self.skipException
else:
expected_exeption = self.failureException
@nova.skip_if_missing_hypervisors(count=count, **params)
def method():
raise self.fail('Not skipped')
exception = self.assertRaises(expected_exeption, method)
if should_skip:
hypervisors = nova.list_hypervisors(**params)
message = "missing {!r} hypervisor(s)".format(
count - len(hypervisors))
if params:
message += " with {!s}".format(
','.join('{!s}={!r}'.format(k, v)
for k, v in params.items()))
self.assertEqual(message, str(exception))
else:
self.assertEqual('Not skipped', str(exception))
def test_skip_if_missing_hypervisors_with_no_hypervisors(self):
self.test_skip_if_missing_hypervisors(id=-1,
should_skip=True)
def test_skip_if_missing_hypervisors_with_big_count(self):
self.test_skip_if_missing_hypervisors(count=1000000,
should_skip=True)
@keystone.skip_unless_has_keystone_credentials()
class ServiceTest(testtools.TestCase):
def test_wait_for_services_up(self):
nova.wait_for_services_up()
class MigrateServerStack(stacks.CirrosServerStackFixture):
pass
@keystone.skip_unless_has_keystone_credentials()
@nova.skip_if_missing_hypervisors(count=2)
class MigrateServerTest(testtools.TestCase):
stack = tobiko.required_setup_fixture(MigrateServerStack)
def test_migrate_server(self):
"""Tests cold migration actually changes hypervisor
"""
server = self.setup_server()
initial_hypervisor = nova.get_server_hypervisor(server)
server = self.migrate_server(server)
final_hypervisor = nova.get_server_hypervisor(server)
self.assertNotEqual(initial_hypervisor, final_hypervisor)
def test_migrate_server_with_host(self):
"""Tests cold migration actually ends on target hypervisor
"""
server = self.setup_server()
initial_hypervisor = nova.get_server_hypervisor(server)
for hypervisor in nova.list_hypervisors(status='enabled', state='up'):
if initial_hypervisor != hypervisor.hypervisor_hostname:
target_hypervisor = hypervisor.hypervisor_hostname
break
else:
self.skipTest("Cannot find a valid hypervisor host to migrate "
"server to")
server = self.migrate_server(server=server, host=target_hypervisor)
final_hypervisor = nova.get_server_hypervisor(server)
self.assertEqual(target_hypervisor, final_hypervisor)
def setup_server(self):
server = self.stack.ensure_server_status('ACTIVE')
self.assertEqual('ACTIVE', server.status)
return server
def migrate_server(self, server, **params):
self.assertEqual('ACTIVE', server.status)
nova.migrate_server(server, **params)
server = nova.wait_for_server_status(server, 'VERIFY_RESIZE')
self.assertEqual('VERIFY_RESIZE', server.status)
nova.confirm_resize(server)
server = nova.wait_for_server_status(
server, 'ACTIVE', transient_status={'VERIFY_RESIZE'})
self.assertEqual('ACTIVE', server.status)
ping.ping_until_received(self.stack.ip_address).assert_replied()
return server