2a4ad7f74e
Since the charm is now marked stateful, the 'host' attribute of a volume is mangled differently. This change makes the test more robust against future changes as well.
121 lines
4.5 KiB
Python
121 lines
4.5 KiB
Python
#!/usr/bin/env python3
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# Copyright 2019 Canonical Ltd.
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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"""Encapsulate cinder-lvm testing."""
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import logging
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import uuid
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import zaza.model
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import zaza.openstack.charm_tests.test_utils as test_utils
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import zaza.openstack.utilities.openstack as openstack_utils
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class CinderLVMTest(test_utils.OpenStackBaseTest):
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"""Encapsulate cinder-lvm tests."""
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@classmethod
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def setUpClass(cls):
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"""Run class setup for running tests."""
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super(CinderLVMTest, cls).setUpClass(application_name='cinder-lvm')
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cls.model_name = zaza.model.get_juju_model()
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cls.cinder_client = openstack_utils.get_cinder_session_client(
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cls.keystone_session)
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cls.block_device = openstack_utils.get_application_config_option(
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'cinder-lvm', 'block-device', model_name=cls.model_name)
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@classmethod
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def tearDown(cls):
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"""Remove test resources."""
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volumes = cls.cinder_client.volumes
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for volume in volumes.list():
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if volume.name.startswith('zaza'):
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try:
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volume.detach()
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volumes.delete(volume)
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except Exception:
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pass
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def test_cinder_config(self):
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"""Test that configuration options match our expectations."""
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logging.info('cinder-lvm')
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expected_contents = {
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'LVM-zaza-lvm': {
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'volume_clear': ['zero'],
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'volumes_dir': ['/var/lib/cinder/volumes'],
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'volume_name_template': ['volume-%s'],
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'volume_clear_size': ['0'],
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'volume_driver': ['cinder.volume.drivers.lvm.LVMVolumeDriver'],
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}}
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zaza.model.run_on_leader(
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'cinder',
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'sudo cp /etc/cinder/cinder.conf /tmp/')
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zaza.model.block_until_oslo_config_entries_match(
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'cinder',
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'/tmp/cinder.conf',
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expected_contents,
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timeout=10)
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def _create_volume(self):
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"""Create a volume via the LVM backend."""
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test_vol_name = "zaza{}".format(uuid.uuid1().fields[0])
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vol_new = self.cinder_client.volumes.create(
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name=test_vol_name,
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size='1')
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openstack_utils.resource_reaches_status(
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self.cinder_client.volumes,
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vol_new.id,
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wait_iteration_max_time=12000,
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stop_after_attempt=5,
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expected_status='available',
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msg='Volume status wait')
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return self.cinder_client.volumes.find(name=test_vol_name)
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def test_create_volume(self):
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"""Test creating a volume with basic configuration."""
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test_vol = self._create_volume()
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self.assertTrue(test_vol)
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host = getattr(test_vol, 'os-vol-host-attr:host').split('#')[0]
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self.assertIn('@LVM', host)
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def test_volume_overwrite(self):
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"""Test creating a volume by overwriting one on a loop device."""
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with self.config_change({'overwrite': 'false',
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'block-device': self.block_device},
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{'overwrite': 'true',
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'block-device': '/tmp/vol|2G'}):
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self._create_volume()
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def test_device_none(self):
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"""Test creating a volume in a dummy device (set as 'none')."""
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with self.config_change({'block-device': self.block_device},
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{'block-device': 'none'}):
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self._create_volume()
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def test_remove_missing_volume(self):
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"""Test creating a volume after remove missing ones in a group."""
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with self.config_change({'remove-missing': 'false'},
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{'remove-missing': 'true'}):
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self._create_volume()
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def test_remove_missing_force(self):
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"""Test creating a volume by forcefully removing missing ones."""
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with self.config_change({'remove-missing-force': 'false'},
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{'remove-missing-force': 'true'}):
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self._create_volume()
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