117 lines
4.9 KiB
Python
117 lines
4.9 KiB
Python
# Copyright (c) 2015 EMC Corporation.
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# All Rights Reserved.
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#
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# Licensed under the Apache License, Version 2.0 (the "License"); you may
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# not use this file except in compliance with the License. You may obtain
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# 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, WITHOUT
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# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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# License for the specific language governing permissions and limitations
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# under the License.
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import mock
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from cinder import context
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from cinder.tests.unit import fake_constants as fake
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from cinder.tests.unit import fake_volume
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from cinder.tests.unit.volume.drivers.dell_emc import vxflexos
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class TestInitializeConnection(vxflexos.TestVxFlexOSDriver):
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def setUp(self):
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"""Setup a test case environment."""
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super(TestInitializeConnection, self).setUp()
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self.connector = {}
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self.ctx = (
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context.RequestContext('fake', 'fake', True, auth_token=True))
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self.volume = fake_volume.fake_volume_obj(
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self.ctx, **{'provider_id': fake.PROVIDER_ID})
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def test_only_qos(self):
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qos = {'maxIOPS': 1000, 'maxBWS': 2048}
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extraspecs = {}
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connection_properties = (
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self._initialize_connection(qos, extraspecs)['data'])
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self.assertEqual(1000, int(connection_properties['iopsLimit']))
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self.assertEqual(2048, int(connection_properties['bandwidthLimit']))
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def test_no_qos(self):
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qos = {}
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extraspecs = {}
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connection_properties = (
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self._initialize_connection(qos, extraspecs)['data'])
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self.assertIsNone(connection_properties['iopsLimit'])
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self.assertIsNone(connection_properties['bandwidthLimit'])
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def test_only_extraspecs(self):
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qos = {}
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extraspecs = {'sio:iops_limit': 2000, 'sio:bandwidth_limit': 4096}
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connection_properties = (
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self._initialize_connection(qos, extraspecs)['data'])
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self.assertEqual(2000, int(connection_properties['iopsLimit']))
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self.assertEqual(4096, int(connection_properties['bandwidthLimit']))
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def test_qos_and_extraspecs(self):
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qos = {'maxIOPS': 1000, 'maxBWS': 3072}
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extraspecs = {'sio:iops_limit': 2000, 'sio:bandwidth_limit': 4000}
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connection_properties = (
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self._initialize_connection(qos, extraspecs)['data'])
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self.assertEqual(1000, int(connection_properties['iopsLimit']))
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self.assertEqual(3072, int(connection_properties['bandwidthLimit']))
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def test_qos_scaling_and_max(self):
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qos = {'maxIOPS': 100, 'maxBWS': 2048, 'maxIOPSperGB': 10,
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'maxBWSperGB': 128}
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extraspecs = {}
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self.volume.size = 8
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connection_properties = (
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self._initialize_connection(qos, extraspecs)['data'])
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self.assertEqual(80, int(connection_properties['iopsLimit']))
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self.assertEqual(1024, int(connection_properties['bandwidthLimit']))
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self.volume.size = 24
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connection_properties = (
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self._initialize_connection(qos, extraspecs)['data'])
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self.assertEqual(100, int(connection_properties['iopsLimit']))
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self.assertEqual(2048, int(connection_properties['bandwidthLimit']))
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def test_qos_scaling_no_max(self):
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qos = {'maxIOPSperGB': 10, 'maxBWSperGB': 128}
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extraspecs = {}
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self.volume.size = 8
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connection_properties = (
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self._initialize_connection(qos, extraspecs)['data'])
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self.assertEqual(80, int(connection_properties['iopsLimit']))
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self.assertEqual(1024, int(connection_properties['bandwidthLimit']))
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def test_qos_round_up(self):
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qos = {'maxBWS': 2000, 'maxBWSperGB': 100}
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extraspecs = {}
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self.volume.size = 8
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connection_properties = (
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self._initialize_connection(qos, extraspecs)['data'])
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self.assertEqual(1024, int(connection_properties['bandwidthLimit']))
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self.volume.size = 24
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connection_properties = (
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self._initialize_connection(qos, extraspecs)['data'])
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self.assertEqual(2048, int(connection_properties['bandwidthLimit']))
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def test_vol_id(self):
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extraspecs = qos = {}
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connection_properties = (
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self._initialize_connection(extraspecs, qos)['data'])
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self.assertEqual(fake.PROVIDER_ID,
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connection_properties['scaleIO_volume_id'])
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def _initialize_connection(self, qos, extraspecs):
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self.driver._get_volumetype_qos = mock.MagicMock()
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self.driver._get_volumetype_qos.return_value = qos
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self.driver._get_volumetype_extraspecs = mock.MagicMock()
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self.driver._get_volumetype_extraspecs.return_value = extraspecs
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return self.driver.initialize_connection(self.volume, self.connector)
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