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Porting the Amulet tests from Cinder Backup to the Zaza framework. The Amulet tests can be found here: https://opendev.org/openstack/charm-cinder-backup/src/commit/4273738b94b22cca187487af2bad982be49fdd69/tests/basic_deployment.py
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#!/usr/bin/env python3 | ||
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# 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. | ||
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"""Collection of code for setting up and testing cinder-backup.""" |
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#!/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. | ||
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"""Encapsulate cinder-backup testing.""" | ||
import logging | ||
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import zaza.model | ||
import zaza.openstack.charm_tests.test_utils as test_utils | ||
import zaza.openstack.utilities.ceph as ceph_utils | ||
import zaza.openstack.utilities.openstack as openstack_utils | ||
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class CinderBackupTest(test_utils.OpenStackBaseTest): | ||
"""Encapsulate Cinder Backup tests.""" | ||
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RESOURCE_PREFIX = 'zaza-cinderbackuptests' | ||
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@classmethod | ||
def setUpClass(cls): | ||
"""Run class setup for running Cinder Backup tests.""" | ||
super(CinderBackupTest, cls).setUpClass() | ||
cls.cinder_client = openstack_utils.get_cinder_session_client( | ||
cls.keystone_session) | ||
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@property | ||
def services(self): | ||
"""Return a list services for Openstack Release.""" | ||
current_release = openstack_utils.get_os_release() | ||
services = ['cinder-scheduler', 'cinder-volume'] | ||
if (current_release >= | ||
openstack_utils.get_os_release('xenial_ocata')): | ||
services.append('apache2') | ||
else: | ||
services.append('cinder-api') | ||
return services | ||
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def test_100_volume_create_extend_delete(self): | ||
"""Test creating, extending a volume.""" | ||
vol_new = openstack_utils.create_volume( | ||
self.cinder_client, | ||
name='{}-100-vol'.format(self.RESOURCE_PREFIX), | ||
size=1) | ||
self.cinder_client.volumes.extend( | ||
vol_new.id, | ||
'2') | ||
openstack_utils.resource_reaches_status( | ||
self.cinder_client.volumes, | ||
vol_new.id, | ||
expected_status="available", | ||
msg="Volume status wait") | ||
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def test_410_cinder_vol_create_backup_delete_restore_pool_inspect(self): | ||
"""Create, backup, delete, restore a ceph-backed cinder volume. | ||
Create, backup, delete, restore a ceph-backed cinder volume, and | ||
inspect ceph cinder pool object count as the volume is created | ||
and deleted. | ||
""" | ||
unit_name = zaza.model.get_lead_unit_name('ceph-mon') | ||
obj_count_samples = [] | ||
pool_size_samples = [] | ||
pools = ceph_utils.get_ceph_pools(unit_name) | ||
expected_pool = 'cinder-ceph' | ||
cinder_ceph_pool = pools[expected_pool] | ||
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# Check ceph cinder pool object count, disk space usage and pool name | ||
logging.info('Checking ceph cinder pool original samples...') | ||
pool_name, obj_count, kb_used = ceph_utils.get_ceph_pool_sample( | ||
unit_name, cinder_ceph_pool) | ||
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obj_count_samples.append(obj_count) | ||
pool_size_samples.append(kb_used) | ||
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self.assertEqual(pool_name, expected_pool) | ||
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# Create ceph-backed cinder volume | ||
cinder_vol = openstack_utils.create_volume( | ||
self.cinder_client, | ||
name='{}-410-vol'.format(self.RESOURCE_PREFIX), | ||
size=1, | ||
wait_iteration_max_time=180) | ||
# Backup the volume | ||
vol_backup = openstack_utils.create_volume_backup( | ||
self.cinder_client, | ||
cinder_vol.id, | ||
name='{}-410-backup-vol'.format(self.RESOURCE_PREFIX), | ||
wait_iteration_max_time=180) | ||
# Delete the volume | ||
openstack_utils.delete_volume(self.cinder_client, cinder_vol.id) | ||
# Restore the volume | ||
self.cinder_client.restores.restore(vol_backup.id) | ||
openstack_utils.resource_reaches_status( | ||
self.cinder_client.backups, | ||
vol_backup.id, | ||
wait_iteration_max_time=180, | ||
stop_after_attempt=15, | ||
expected_status='available', | ||
msg='Backup status wait') | ||
# Delete the backup | ||
openstack_utils.delete_volume_backup( | ||
self.cinder_client, | ||
vol_backup.id) | ||
openstack_utils.resource_removed( | ||
self.cinder_client.volumes, | ||
vol_backup.id, | ||
wait_iteration_max_time=180, | ||
msg="Backup volume") | ||
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# Re-check ceph cinder pool object count and disk usage | ||
logging.info('Checking ceph cinder pool samples ' | ||
'after volume create...') | ||
pool_name, obj_count, kb_used = ceph_utils.get_ceph_pool_sample( | ||
unit_name, cinder_ceph_pool, self.model_name) | ||
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obj_count_samples.append(obj_count) | ||
pool_size_samples.append(kb_used) | ||
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name = '{}-410-vol'.format(self.RESOURCE_PREFIX) | ||
vols = self.cinder_client.volumes.list() | ||
try: | ||
cinder_vols = [v for v in vols if v.name == name] | ||
except AttributeError: | ||
cinder_vols = [v for v in vols if v.display_name == name] | ||
if not cinder_vols: | ||
# NOTE(hopem): it appears that at some point cinder-backup stopped | ||
# restoring volume metadata properly so revert to default name if | ||
# original is not found | ||
name = "restore_backup_{}".format(vol_backup.id) | ||
try: | ||
cinder_vols = [v for v in vols if v.name == name] | ||
except AttributeError: | ||
cinder_vols = [v for v in vols if v.display_name == name] | ||
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self.assertTrue(cinder_vols) | ||
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cinder_vol = cinder_vols[0] | ||
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# Delete restored cinder volume | ||
openstack_utils.delete_volume(self.cinder_client, cinder_vol.id) | ||
openstack_utils.resource_removed( | ||
self.cinder_client.volumes, | ||
cinder_vol.id, | ||
wait_iteration_max_time=180, | ||
msg="Volume") | ||
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# Final check, ceph cinder pool object count and disk usage | ||
logging.info('Checking ceph cinder pool after volume delete...') | ||
pool_name, obj_count, kb_used = ceph_utils.get_ceph_pool_sample( | ||
unit_name, cinder_ceph_pool, self.model_name) | ||
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obj_count_samples.append(obj_count) | ||
pool_size_samples.append(kb_used) | ||
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# Validate ceph cinder pool object count samples over time | ||
original, created, deleted = range(3) | ||
self.assertFalse(obj_count_samples[created] <= | ||
obj_count_samples[original]) | ||
self.assertFalse(obj_count_samples[deleted] >= | ||
obj_count_samples[created]) | ||
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# Luminous (pike) ceph seems more efficient at disk usage so we cannot | ||
# grantee the ordering of kb_used | ||
if (openstack_utils.get_os_release() < | ||
openstack_utils.get_os_release('xenial_mitaka')): | ||
self.assertFalse(pool_size_samples[created] <= | ||
pool_size_samples[original]) | ||
self.assertFalse(pool_size_samples[deleted] >= | ||
pool_size_samples[created]) |
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