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Add HaclusterScalebackTest (#399)

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Co-authored-by: Alvaro Uria <alvaro.uria@canonical.com>
This commit is contained in:
Aurelien Lourot
2020-09-08 12:11:05 +02:00
committed by GitHub
parent f0ef4b1acc
commit e6300dba20
1 changed files with 64 additions and 3 deletions
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zaza/openstack/charm_tests/hacluster/tests.py
+64 -3
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@@ -21,17 +21,22 @@ 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 HaclusterTest(test_utils.OpenStackBaseTest):
"""hacluster tests."""
class HaclusterBaseTest(test_utils.OpenStackBaseTest):
"""Base class for hacluster tests."""
@classmethod
def setUpClass(cls):
"""Run class setup for running hacluster tests."""
super(HaclusterTest, cls).setUpClass()
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(
@@ -69,3 +74,59 @@ class HaclusterTest(test_utils.OpenStackBaseTest):
self._toggle_maintenance_and_wait('true')
self._toggle_maintenance_and_wait('false')
class HaclusterScalebackTest(HaclusterBaseTest):
"""hacluster scaleback tests."""
@classmethod
def setUpClass(cls):
"""Run class setup for running hacluster scaleback tests."""
super(HaclusterScalebackTest, cls).setUpClass()
test_config = cls.test_config['tests_options']['hacluster']
cls._principle_app_name = test_config['principle-app-name']
cls._hacluster_charm_name = test_config['hacluster-charm-name']
def test_930_scaleback(self):
"""Remove a unit and add a new one."""
principle_units = sorted(zaza.model.get_status().applications[
self._principle_app_name]['units'].keys())
self.assertEqual(len(principle_units), 3)
doomed_principle_unit = principle_units[0]
other_principle_unit = principle_units[1]
doomed_hacluster_unit = juju_utils.get_subordinate_units(
[doomed_principle_unit], charm_name=self._hacluster_charm_name)[0]
other_hacluster_unit = juju_utils.get_subordinate_units(
[other_principle_unit], charm_name=self._hacluster_charm_name)[0]
logging.info('Pausing unit {}'.format(doomed_hacluster_unit))
zaza.model.run_action(
doomed_hacluster_unit,
'pause',
raise_on_failure=True)
logging.info('OK')
logging.info('Removing {}'.format(doomed_principle_unit))
zaza.model.destroy_unit(
self._principle_app_name,
doomed_principle_unit,
wait_disappear=True)
logging.info('OK')
logging.info('Waiting for model to settle')
zaza.model.block_until_unit_wl_status(other_hacluster_unit, 'blocked')
zaza.model.block_until_unit_wl_status(other_principle_unit, 'blocked')
zaza.model.block_until_all_units_idle()
logging.info('OK')
logging.info('Adding an hacluster unit')
zaza.model.add_unit(self._principle_app_name, wait_appear=True)
logging.info('OK')
logging.info('Waiting for model to settle')
zaza.model.block_until_unit_wl_status(other_hacluster_unit, 'active')
# NOTE(lourot): the principle application remains blocked after scaling
# back up until lp:1400481 is solved.
zaza.model.block_until_unit_wl_status(other_principle_unit, 'blocked')
zaza.model.block_until_all_units_idle()
logging.debug('OK')