Files
zaza-openstack-tests/zaza/openstack/charm_tests/openstack_upgrade/tests.py
Aurelien Lourot c32a6d420b Fix various typos
2021-09-24 14:20:01 +02:00

168 lines
6.1 KiB
Python

#!/usr/bin/env python3
# Copyright 2020 Canonical Ltd.
#
# 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.
"""Define class for OpenStack Upgrade."""
import logging
import unittest
import zaza.model
import zaza.global_options
from zaza.openstack.utilities import (
cli as cli_utils,
upgrade_utils as upgrade_utils,
openstack as openstack_utils,
openstack_upgrade as openstack_upgrade,
exceptions,
generic,
)
from zaza.openstack.charm_tests.nova.tests import LTSGuestCreateTest
class OpenStackUpgradeVMLaunchBase(unittest.TestCase):
"""A base class to peform a simple validation on the cloud.
This wraps an OpenStack upgrade with a VM launch before and after the
upgrade.
This test requires a full OpenStack including at least: keystone, glance,
nova-cloud-controller, nova-compute, neutron-gateway, neutron-api and
neutron-openvswitch.
This class should be used as a base class to the upgrade 'test'.
"""
@classmethod
def setUpClass(cls):
"""Run setup for OpenStack Upgrades."""
super().setUpClass()
cls.lts = LTSGuestCreateTest()
cls.lts.setUpClass()
def test_100_validate_pre_openstack_upgrade_cloud(self):
"""Validate pre openstack upgrade."""
logging.info("Validate pre-openstack-upgrade: Spin up LTS instance")
self.lts.test_launch_small_instance()
def test_500_validate_openstack_upgraded_cloud(self):
"""Validate post openstack upgrade."""
logging.info("Validate post-openstack-upgrade: Spin up LTS instance")
self.lts.test_launch_small_instance()
class WaitForMySQL(unittest.TestCase):
"""Helper test to wait on mysql-innodb-cluster to be fully ready.
In practice this means that there is at least on R/W unit available.
Sometimes, after restarting units in the mysql-innodb-cluster, all the
units are R/O until the cluster picks the R/W unit.
"""
@classmethod
def setUpClass(cls):
"""Set up class."""
super().setUpClass()
cli_utils.setup_logging()
def test_100_wait_for_happy_mysql_innodb_cluster(self):
"""Wait for mysql cluster to have at least one R/W node."""
logging.info("Starting wait for an R/W unit.")
openstack_upgrade.block_until_mysql_innodb_cluster_has_rw()
logging.info("Done .. all seems well.")
class OpenStackUpgradeTestsFocalUssuri(OpenStackUpgradeVMLaunchBase):
"""Upgrade OpenStack from distro -> cloud:focal-victoria."""
@classmethod
def setUpClass(cls):
"""Run setup for OpenStack Upgrades."""
super().setUpClass()
cli_utils.setup_logging()
def test_200_run_openstack_upgrade(self):
"""Run openstack upgrade, but work out what to do."""
openstack_upgrade.run_upgrade_tests("cloud:focal-victoria")
class OpenStackUpgradeTestsByOption(OpenStackUpgradeVMLaunchBase):
"""A Principal Class to encapsulate OpenStack Upgrade Tests.
A generic Test class that uses the options in the tests.yaml to use a charm
to detect the Ubuntu and OpenStack versions and then workout what to
upgrade to.
tests_options:
openstack-upgrade:
detect-using-charm: keystone
This will use the octavia application, detect the ubuntu version and then
read the config to discover the current OpenStack version.
"""
@classmethod
def setUpClass(cls):
"""Run setup for OpenStack Upgrades."""
super().setUpClass()
cli_utils.setup_logging()
def test_200_run_openstack_upgrade(self):
"""Run openstack upgrade, but work out what to do.
TODO: This is really inefficient at the moment, and doesn't (yet)
determine which ubuntu version to work from. Don't use until we can
make it better.
"""
# get the tests_options / openstack-upgrade.detect-using-charm so that
# the ubuntu version and OpenStack version can be detected.
try:
detect_charm = (
zaza.global_options.get_options()
.openstack_upgrade.detect_using_charm)
except KeyError:
raise exceptions.InvalidTestConfig(
"Missing tests_options.openstack-upgrade.detect-using-charm "
"config.")
unit = zaza.model.get_lead_unit(detect_charm)
ubuntu_version = generic.get_series(unit)
logging.info("Current version detected from {} is {}"
.format(detect_charm, ubuntu_version))
logging.info(
"Getting OpenStack version from %s ..." % detect_charm)
current_versions = openstack_utils.get_current_os_versions(
[detect_charm])
if not current_versions:
raise exceptions.ApplicationNotFound(
"No version found for {}?".format(detect_charm))
logging.info("current version: %s" % current_versions[detect_charm])
# Find the lowest value openstack release across all services and make
# sure all servcies are upgraded to one release higher than the lowest
from_version = upgrade_utils.get_lowest_openstack_version(
current_versions)
logging.info("from version: %s" % from_version)
to_version = upgrade_utils.determine_next_openstack_release(
from_version)[1]
logging.info("to version: %s" % to_version)
target_source = upgrade_utils.determine_new_source(
ubuntu_version, from_version, to_version, single_increment=True)
logging.info("target source: %s" % target_source)
assert target_source is not None
openstack_upgrade.run_upgrade_tests(target_source)