Aurelien Lourot
136 lines
4.7 KiB
Python
136 lines
4.7 KiB
Python
#!/usr/bin/env python3
|
|
|
|
# Copyright 2019 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.
|
|
|
|
"""HACluster testing."""
|
|
|
|
import logging
|
|
import os
|
|
|
|
import zaza.openstack.charm_tests.test_utils as test_utils
|
|
import zaza.openstack.configure.hacluster
|
|
import zaza.utilities.juju as juju_utils
|
|
|
|
|
|
class HaclusterBaseTest(test_utils.OpenStackBaseTest):
|
|
"""Base class for hacluster tests."""
|
|
|
|
@classmethod
|
|
def setUpClass(cls):
|
|
"""Run class setup for running hacluster tests."""
|
|
super(HaclusterBaseTest, cls).setUpClass()
|
|
cls.vip = os.environ.get("TEST_VIP00")
|
|
|
|
|
|
class HaclusterTest(HaclusterBaseTest):
|
|
"""hacluster tests."""
|
|
|
|
def test_900_action_cleanup(self):
|
|
"""The services can be cleaned up."""
|
|
zaza.model.run_action_on_leader(
|
|
self.application_name,
|
|
'cleanup',
|
|
raise_on_failure=True)
|
|
|
|
def test_910_pause_and_resume(self):
|
|
"""The services can be paused and resumed."""
|
|
with self.pause_resume([]):
|
|
logging.info("Testing pause resume")
|
|
|
|
def _toggle_maintenance_and_wait(self, expected):
|
|
"""Configure cluster maintenance-mode.
|
|
|
|
:param expected: expected value to set maintenance-mode
|
|
"""
|
|
config = {"maintenance-mode": expected}
|
|
logging.info("Setting config to {}".format(config))
|
|
zaza.model.set_application_config(self.application_name, config)
|
|
if expected == 'true':
|
|
_states = {"hacluster": {
|
|
"workload-status": "maintenance",
|
|
"workload-status-message": "Pacemaker in maintenance mode"}}
|
|
else:
|
|
_states = {"hacluster": {
|
|
"workload-status": "active",
|
|
"workload-status-message": "Unit is ready and clustered"}}
|
|
zaza.model.wait_for_application_states(states=_states)
|
|
logging.debug('OK')
|
|
|
|
def test_920_put_in_maintenance(self):
|
|
"""Put pacemaker in maintenance mode."""
|
|
logging.debug('Setting cluster in maintenance mode')
|
|
|
|
self._toggle_maintenance_and_wait('true')
|
|
self._toggle_maintenance_and_wait('false')
|
|
|
|
|
|
class HaclusterScalebackTest(HaclusterBaseTest):
|
|
"""hacluster scaleback tests."""
|
|
|
|
_PRINCIPLE_APP = 'keystone'
|
|
|
|
def test_930_scaleback(self):
|
|
"""Remove a unit, recalculate quorum and add a new one."""
|
|
principle_units = zaza.model.get_status().applications[
|
|
self._PRINCIPLE_APP]['units']
|
|
self.assertEqual(len(principle_units), 3)
|
|
doomed_principle = sorted(principle_units.keys())[0]
|
|
doomed_unit = juju_utils.get_subordinate_units(
|
|
[doomed_principle], charm_name=self.application_name)[0]
|
|
|
|
logging.info('Pausing unit {}'.format(doomed_unit))
|
|
zaza.model.run_action(
|
|
doomed_unit,
|
|
'pause',
|
|
raise_on_failure=True)
|
|
logging.info('OK')
|
|
|
|
logging.info('Removing {}'.format(doomed_principle))
|
|
zaza.model.destroy_unit(
|
|
self._PRINCIPLE_APP,
|
|
doomed_principle,
|
|
wait_disappear=True)
|
|
logging.info('OK')
|
|
|
|
logging.info('Updating corosync ring')
|
|
zaza.model.run_action_on_leader(
|
|
self.application_name,
|
|
'update-ring',
|
|
action_params={'i-really-mean-it': True},
|
|
raise_on_failure=True)
|
|
|
|
expected_states = {
|
|
self.application_name: {
|
|
"workload-status": "blocked",
|
|
"workload-status-message":
|
|
"Insufficient peer units for ha cluster (require 3)"
|
|
},
|
|
self._PRINCIPLE_APP: {
|
|
"workload-status": "blocked",
|
|
"workload-status-message": "Database not initialised",
|
|
},
|
|
}
|
|
zaza.model.wait_for_application_states(states=expected_states)
|
|
zaza.model.block_until_all_units_idle()
|
|
logging.info('OK')
|
|
|
|
logging.info('Adding a hacluster unit')
|
|
zaza.model.add_unit(self._PRINCIPLE_APP, wait_appear=True)
|
|
expected_states = {self.application_name: {
|
|
"workload-status": "active",
|
|
"workload-status-message": "Unit is ready and clustered"}}
|
|
zaza.model.wait_for_application_states(states=expected_states)
|
|
logging.debug('OK')
|