Merge "Test creating multiple volumes from image simultaneously"

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Zuul 2018-05-15 20:36:05 +00:00 committed by Gerrit Code Review
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# 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.
from tempest.common import waiters
from tempest import config
from tempest.lib.common.utils import data_utils
from tempest.lib.common.utils import test_utils
from tempest.lib import decorators
from cinder_tempest_plugin.api.volume import base
CONF = config.CONF
class VolumeFromImageTest(base.BaseVolumeTest):
@classmethod
def skip_checks(cls):
super(VolumeFromImageTest, cls).skip_checks()
@classmethod
def create_volume_no_wait(cls, **kwargs):
"""Returns a test volume.
This does not wait for volume creation to finish,
so that multiple operations can happen on the
Cinder server in parallel.
"""
if 'size' not in kwargs:
kwargs['size'] = CONF.volume.volume_size
if 'imageRef' in kwargs:
image = cls.os_primary.image_client_v2.show_image(
kwargs['imageRef'])
min_disk = image['min_disk']
kwargs['size'] = max(kwargs['size'], min_disk)
if 'name' not in kwargs:
name = data_utils.rand_name(cls.__name__ + '-Volume')
kwargs['name'] = name
volume = cls.volumes_client.create_volume(**kwargs)['volume']
cls.addClassResourceCleanup(
cls.volumes_client.wait_for_resource_deletion, volume['id'])
cls.addClassResourceCleanup(test_utils.call_and_ignore_notfound_exc,
cls.volumes_client.delete_volume,
volume['id'])
return volume
@decorators.idempotent_id('8976a11b-1ddc-49b6-b66f-8c26adf3fa9e')
def test_create_from_image_multiple(self):
"""Create a handful of volumes from the same image at once.
The purpose of this test is to stress volume drivers,
image download, the image cache, etc., within Cinder.
"""
img_uuid = CONF.compute.image_ref
vols = []
for v in range(0, 5):
vols.append(self.create_volume_no_wait(imageRef=img_uuid))
for v in vols:
waiters.wait_for_volume_resource_status(self.volumes_client,
v['id'],
'available')