103 lines
4.2 KiB
Python
103 lines
4.2 KiB
Python
# Copyright (c) 2017 Dell Inc. or its subsidiaries.
|
|
# All Rights Reserved.
|
|
#
|
|
# 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.
|
|
|
|
import mock
|
|
|
|
from cinder import context
|
|
from cinder.tests.unit import fake_constants as fake
|
|
from cinder.tests.unit import fake_snapshot
|
|
from cinder.tests.unit import fake_volume
|
|
from cinder.tests.unit.volume.drivers.dell_emc import vxflexos
|
|
|
|
|
|
class TestInitializeConnectionSnapshot(vxflexos.TestVxFlexOSDriver):
|
|
|
|
def setUp(self):
|
|
super(TestInitializeConnectionSnapshot, self).setUp()
|
|
self.snapshot_id = 'SNAPID'
|
|
self.ctx = context.RequestContext('fake', 'fake', auth_token=True)
|
|
self.fake_path = '/fake/path/vol-xx'
|
|
self.volume = fake_volume.fake_volume_obj(
|
|
self.ctx, **{'provider_id': fake.PROVIDER_ID})
|
|
self.connector = {}
|
|
|
|
def test_backup_can_use_snapshots(self):
|
|
"""Make sure the driver can use snapshots for backup."""
|
|
use_snaps = self.driver.backup_use_temp_snapshot()
|
|
self.assertTrue(use_snaps)
|
|
|
|
def test_initialize_connection_without_size(self):
|
|
"""Test initializing when we do not know the snapshot size.
|
|
|
|
ScaleIO can determine QOS specs based upon volume/snapshot size
|
|
The QOS keys should always be returned
|
|
"""
|
|
snapshot = fake_snapshot.fake_snapshot_obj(
|
|
self.ctx, **{'volume': self.volume,
|
|
'provider_id': self.snapshot_id})
|
|
props = self.driver.initialize_connection_snapshot(
|
|
snapshot,
|
|
self.connector)
|
|
# validate the volume type
|
|
self.assertEqual(props['driver_volume_type'], 'scaleio')
|
|
# make sure a volume name and id exist
|
|
self.assertIsNotNone(props['data']['scaleIO_volname'])
|
|
self.assertEqual(self.snapshot_id,
|
|
props['data']['scaleIO_volume_id'])
|
|
# make sure QOS properties are set
|
|
self.assertTrue('iopsLimit' in props['data'])
|
|
|
|
def test_initialize_connection_with_size(self):
|
|
"""Test initializing when we know the snapshot size.
|
|
|
|
VxFlex OS can determine QOS specs based upon volume/snapshot size
|
|
The QOS keys should always be returned
|
|
"""
|
|
snapshot = fake_snapshot.fake_snapshot_obj(
|
|
self.ctx, **{'volume': self.volume,
|
|
'provider_id': self.snapshot_id,
|
|
'volume_size': 8})
|
|
props = self.driver.initialize_connection_snapshot(
|
|
snapshot,
|
|
self.connector)
|
|
# validate the volume type
|
|
self.assertEqual(props['driver_volume_type'], 'scaleio')
|
|
# make sure a volume name and id exist
|
|
self.assertIsNotNone(props['data']['scaleIO_volname'])
|
|
self.assertEqual(self.snapshot_id,
|
|
props['data']['scaleIO_volume_id'])
|
|
# make sure QOS properties are set
|
|
self.assertTrue('iopsLimit' in props['data'])
|
|
|
|
def test_qos_specs(self):
|
|
"""Ensure QOS specs are honored if present."""
|
|
qos = {'maxIOPS': 1000, 'maxBWS': 2048}
|
|
snapshot = fake_snapshot.fake_snapshot_obj(
|
|
self.ctx, **{'volume': self.volume,
|
|
'provider_id': self.snapshot_id,
|
|
'volume_size': 8})
|
|
extraspecs = {}
|
|
self.driver._get_volumetype_qos = mock.MagicMock()
|
|
self.driver._get_volumetype_qos.return_value = qos
|
|
self.driver._get_volumetype_extraspecs = mock.MagicMock()
|
|
self.driver._get_volumetype_extraspecs.return_value = extraspecs
|
|
|
|
props = self.driver.initialize_connection_snapshot(
|
|
snapshot,
|
|
self.connector)
|
|
|
|
self.assertEqual(1000, int(props['data']['iopsLimit']))
|
|
self.assertEqual(2048, int(props['data']['bandwidthLimit']))
|