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# Copyright (c) 2011 Zadara Storage Inc.
# Copyright (c) 2011 OpenStack Foundation
# 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.
"""
Unit Tests for volume types code
"""
import datetime
import time
from cinder import context
from cinder import db
from cinder.db.sqlalchemy import api as db_api
from cinder.db.sqlalchemy import models
from cinder import exception
from cinder.openstack.common import log as logging
from cinder import test
from cinder.tests import conf_fixture
from cinder.volume import qos_specs
from cinder.volume import volume_types
LOG = logging.getLogger(__name__)
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class VolumeTypeTestCase(test.TestCase):
"""Test cases for volume type code."""
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def setUp(self):
super(VolumeTypeTestCase, self).setUp()
self.ctxt = context.get_admin_context()
self.vol_type1_name = str(int(time.time()))
self.vol_type1_specs = dict(type="physical drive",
drive_type="SAS",
size="300",
rpm="7200",
visible="True")
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def test_volume_type_create_then_destroy(self):
"""Ensure volume types can be created and deleted."""
prev_all_vtypes = volume_types.get_all_types(self.ctxt)
type_ref = volume_types.create(self.ctxt,
self.vol_type1_name,
self.vol_type1_specs)
new = volume_types.get_volume_type_by_name(self.ctxt,
self.vol_type1_name)
LOG.info(_("Given data: %s"), self.vol_type1_specs)
LOG.info(_("Result data: %s"), new)
for k, v in self.vol_type1_specs.iteritems():
self.assertEqual(v, new['extra_specs'][k],
'one of fields does not match')
new_all_vtypes = volume_types.get_all_types(self.ctxt)
self.assertEqual(len(prev_all_vtypes) + 1,
len(new_all_vtypes),
'drive type was not created')
volume_types.destroy(self.ctxt, type_ref['id'])
new_all_vtypes = volume_types.get_all_types(self.ctxt)
self.assertEqual(prev_all_vtypes,
new_all_vtypes,
'drive type was not deleted')
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def test_get_all_volume_types(self):
"""Ensures that all volume types can be retrieved."""
session = db_api.get_session()
total_volume_types = session.query(models.VolumeTypes).count()
vol_types = volume_types.get_all_types(self.ctxt)
self.assertEqual(total_volume_types, len(vol_types))
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def test_get_default_volume_type(self):
"""Ensures default volume type can be retrieved."""
type_ref = volume_types.create(self.ctxt,
conf_fixture.def_vol_type,
{})
default_vol_type = volume_types.get_default_volume_type()
self.assertEqual(default_vol_type.get('name'),
conf_fixture.def_vol_type)
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def test_default_volume_type_missing_in_db(self):
"""Ensures proper exception raised if default volume type
is not in database.
"""
session = db_api.get_session()
default_vol_type = volume_types.get_default_volume_type()
self.assertEqual(default_vol_type, {})
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def test_non_existent_vol_type_shouldnt_delete(self):
"""Ensures that volume type creation fails with invalid args."""
self.assertRaises(exception.VolumeTypeNotFound,
volume_types.destroy, self.ctxt, "sfsfsdfdfs")
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def test_volume_type_with_volumes_shouldnt_delete(self):
"""Ensures volume type deletion with associated volumes fail."""
type_ref = volume_types.create(self.ctxt, self.vol_type1_name)
db.volume_create(self.ctxt,
{'id': '1',
'updated_at': datetime.datetime(1, 1, 1, 1, 1, 1),
'display_description': 'Test Desc',
'size': 20,
'status': 'available',
'volume_type_id': type_ref['id']})
self.assertRaises(exception.VolumeTypeInUse,
volume_types.destroy, self.ctxt, type_ref['id'])
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def test_repeated_vol_types_shouldnt_raise(self):
"""Ensures that volume duplicates don't raise."""
new_name = self.vol_type1_name + "dup"
type_ref = volume_types.create(self.ctxt, new_name)
volume_types.destroy(self.ctxt, type_ref['id'])
type_ref = volume_types.create(self.ctxt, new_name)
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def test_invalid_volume_types_params(self):
"""Ensures that volume type creation fails with invalid args."""
self.assertRaises(exception.InvalidVolumeType,
volume_types.destroy, self.ctxt, None)
self.assertRaises(exception.InvalidVolumeType,
volume_types.get_volume_type, self.ctxt, None)
self.assertRaises(exception.InvalidVolumeType,
volume_types.get_volume_type_by_name,
self.ctxt, None)
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def test_volume_type_get_by_id_and_name(self):
"""Ensure volume types get returns same entry."""
volume_types.create(self.ctxt,
self.vol_type1_name,
self.vol_type1_specs)
new = volume_types.get_volume_type_by_name(self.ctxt,
self.vol_type1_name)
new2 = volume_types.get_volume_type(self.ctxt, new['id'])
self.assertEqual(new, new2)
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def test_volume_type_search_by_extra_spec(self):
"""Ensure volume types get by extra spec returns correct type."""
volume_types.create(self.ctxt, "type1", {"key1": "val1",
"key2": "val2"})
volume_types.create(self.ctxt, "type2", {"key2": "val2",
"key3": "val3"})
volume_types.create(self.ctxt, "type3", {"key3": "another_value",
"key4": "val4"})
vol_types = volume_types.get_all_types(
self.ctxt,
search_opts={'extra_specs': {"key1": "val1"}})
LOG.info("vol_types: %s" % vol_types)
self.assertEqual(len(vol_types), 1)
self.assertIn("type1", vol_types.keys())
self.assertEqual(vol_types['type1']['extra_specs'],
{"key1": "val1", "key2": "val2"})
vol_types = volume_types.get_all_types(
self.ctxt,
search_opts={'extra_specs': {"key2": "val2"}})
LOG.info("vol_types: %s" % vol_types)
self.assertEqual(len(vol_types), 2)
self.assertIn("type1", vol_types.keys())
self.assertIn("type2", vol_types.keys())
vol_types = volume_types.get_all_types(
self.ctxt,
search_opts={'extra_specs': {"key3": "val3"}})
LOG.info("vol_types: %s" % vol_types)
self.assertEqual(len(vol_types), 1)
self.assertIn("type2", vol_types.keys())
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def test_volume_type_search_by_extra_spec_multiple(self):
"""Ensure volume types get by extra spec returns correct type."""
volume_types.create(self.ctxt, "type1", {"key1": "val1",
"key2": "val2",
"key3": "val3"})
volume_types.create(self.ctxt, "type2", {"key2": "val2",
"key3": "val3"})
volume_types.create(self.ctxt, "type3", {"key1": "val1",
"key3": "val3",
"key4": "val4"})
vol_types = volume_types.get_all_types(
self.ctxt,
search_opts={'extra_specs': {"key1": "val1",
"key3": "val3"}})
LOG.info("vol_types: %s" % vol_types)
self.assertEqual(len(vol_types), 2)
self.assertIn("type1", vol_types.keys())
self.assertIn("type3", vol_types.keys())
self.assertEqual(vol_types['type1']['extra_specs'],
{"key1": "val1", "key2": "val2", "key3": "val3"})
self.assertEqual(vol_types['type3']['extra_specs'],
{"key1": "val1", "key3": "val3", "key4": "val4"})
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def test_is_encrypted(self):
volume_type = volume_types.create(self.ctxt, "type1")
volume_type_id = volume_type.get('id')
self.assertFalse(volume_types.is_encrypted(self.ctxt, volume_type_id))
encryption = {
'control_location': 'front-end',
'provider': 'fake_provider',
}
db_api.volume_type_encryption_create(self.ctxt, volume_type_id,
encryption)
self.assertTrue(volume_types.is_encrypted(self.ctxt, volume_type_id))
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def test_get_volume_type_qos_specs(self):
qos_ref = qos_specs.create(self.ctxt, 'qos-specs-1', {'k1': 'v1',
'k2': 'v2',
'k3': 'v3'})
type_ref = volume_types.create(self.ctxt, "type1", {"key2": "val2",
"key3": "val3"})
res = volume_types.get_volume_type_qos_specs(type_ref['id'])
self.assertIsNone(res['qos_specs'])
qos_specs.associate_qos_with_type(self.ctxt,
qos_ref['id'],
type_ref['id'])
expected = {'qos_specs': {'id': qos_ref['id'],
'name': 'qos-specs-1',
'consumer': 'back-end',
'specs': {
'k1': 'v1',
'k2': 'v2',
'k3': 'v3'}}}
res = volume_types.get_volume_type_qos_specs(type_ref['id'])
self.assertDictMatch(expected, res)
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def test_volume_types_diff(self):
#type_ref 1 and 2 have the same extra_specs, while 3 has different
keyvals1 = {"key1": "val1", "key2": "val2"}
keyvals2 = {"key1": "val0", "key2": "val2"}
type_ref1 = volume_types.create(self.ctxt, "type1", keyvals1)
type_ref2 = volume_types.create(self.ctxt, "type2", keyvals1)
type_ref3 = volume_types.create(self.ctxt, "type3", keyvals2)
# Check equality with only extra_specs
diff, same = volume_types.volume_types_diff(self.ctxt, type_ref1['id'],
type_ref2['id'])
self.assertEqual(same, True)
self.assertEqual(diff['extra_specs']['key1'], ('val1', 'val1'))
diff, same = volume_types.volume_types_diff(self.ctxt, type_ref1['id'],
type_ref3['id'])
self.assertEqual(same, False)
self.assertEqual(diff['extra_specs']['key1'], ('val1', 'val0'))
#qos_ref 1 and 2 have the same specs, while 3 has different
qos_keyvals1 = {'k1': 'v1', 'k2': 'v2', 'k3': 'v3'}
qos_keyvals2 = {'k1': 'v0', 'k2': 'v2', 'k3': 'v3'}
qos_ref1 = qos_specs.create(self.ctxt, 'qos-specs-1', qos_keyvals1)
qos_ref2 = qos_specs.create(self.ctxt, 'qos-specs-2', qos_keyvals1)
qos_ref3 = qos_specs.create(self.ctxt, 'qos-specs-3', qos_keyvals2)
# Check equality with qos specs too
qos_specs.associate_qos_with_type(self.ctxt, qos_ref1['id'],
type_ref1['id'])
qos_specs.associate_qos_with_type(self.ctxt, qos_ref2['id'],
type_ref2['id'])
diff, same = volume_types.volume_types_diff(self.ctxt, type_ref1['id'],
type_ref2['id'])
self.assertEqual(same, True)
self.assertEqual(diff['extra_specs']['key1'], ('val1', 'val1'))
self.assertEqual(diff['qos_specs']['k1'], ('v1', 'v1'))
qos_specs.disassociate_qos_specs(self.ctxt, qos_ref2['id'],
type_ref2['id'])
qos_specs.associate_qos_with_type(self.ctxt, qos_ref3['id'],
type_ref2['id'])
diff, same = volume_types.volume_types_diff(self.ctxt, type_ref1['id'],
type_ref2['id'])
self.assertEqual(same, False)
self.assertEqual(diff['extra_specs']['key1'], ('val1', 'val1'))
self.assertEqual(diff['qos_specs']['k1'], ('v1', 'v0'))
qos_specs.disassociate_qos_specs(self.ctxt, qos_ref3['id'],
type_ref2['id'])
qos_specs.associate_qos_with_type(self.ctxt, qos_ref2['id'],
type_ref2['id'])
# And add encryption for good measure
enc_keyvals1 = {'cipher': 'c1', 'key_size': 256, 'provider': 'p1',
'control_location': 'front-end'}
enc_keyvals2 = {'cipher': 'c1', 'key_size': 128, 'provider': 'p1',
'control_location': 'front-end'}
db.volume_type_encryption_create(self.ctxt, type_ref1['id'],
enc_keyvals1)
db.volume_type_encryption_create(self.ctxt, type_ref2['id'],
enc_keyvals2)
diff, same = volume_types.volume_types_diff(self.ctxt, type_ref1['id'],
type_ref2['id'])
self.assertEqual(same, False)
self.assertEqual(diff['extra_specs']['key1'], ('val1', 'val1'))
self.assertEqual(diff['qos_specs']['k1'], ('v1', 'v1'))
self.assertEqual(diff['encryption']['key_size'], (256, 128))