cinder/cinder/tests/unit/test_v7000_common.py

778 lines
30 KiB
Python

# Copyright 2015 Violin Memory, Inc.
# 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.
"""
Tests for Violin Memory 7000 Series All-Flash Array Common Driver
"""
import math
import mock
from oslo_utils import units
from cinder import context
from cinder import exception
from cinder import test
from cinder.tests.unit import fake_vmem_client as vmemclient
from cinder.volume import configuration as conf
from cinder.volume.drivers.violin import v7000_common
from cinder.volume import volume_types
VOLUME_ID = "abcdabcd-1234-abcd-1234-abcdeffedcba"
VOLUME = {"name": "volume-" + VOLUME_ID,
"id": VOLUME_ID,
"display_name": "fake_volume",
"size": 2,
"host": "irrelevant",
"volume_type": None,
"volume_type_id": None,
}
SNAPSHOT_ID = "abcdabcd-1234-abcd-1234-abcdeffedcbb"
SNAPSHOT = {"name": "snapshot-" + SNAPSHOT_ID,
"id": SNAPSHOT_ID,
"volume_id": VOLUME_ID,
"volume_name": "volume-" + VOLUME_ID,
"volume_size": 2,
"display_name": "fake_snapshot",
}
SRC_VOL_ID = "abcdabcd-1234-abcd-1234-abcdeffedcbc"
SRC_VOL = {"name": "volume-" + SRC_VOL_ID,
"id": SRC_VOL_ID,
"display_name": "fake_src_vol",
"size": 2,
"host": "irrelevant",
"volume_type": None,
"volume_type_id": None,
}
INITIATOR_IQN = "iqn.1111-22.org.debian:11:222"
CONNECTOR = {"initiator": INITIATOR_IQN}
class V7000CommonTestCase(test.TestCase):
"""Test case for Violin drivers."""
def setUp(self):
super(V7000CommonTestCase, self).setUp()
self.conf = self.setup_configuration()
self.driver = v7000_common.V7000Common(self.conf)
self.driver.container = 'myContainer'
self.driver.device_id = 'ata-VIOLIN_MEMORY_ARRAY_23109R00000022'
self.stats = {}
def tearDown(self):
super(V7000CommonTestCase, self).tearDown()
def setup_configuration(self):
config = mock.Mock(spec=conf.Configuration)
config.volume_backend_name = 'v7000_common'
config.san_ip = '1.1.1.1'
config.san_login = 'admin'
config.san_password = ''
config.san_thin_provision = False
config.san_is_local = False
config.gateway_mga = '2.2.2.2'
config.gateway_mgb = '3.3.3.3'
config.use_igroups = False
config.violin_request_timeout = 300
config.container = 'myContainer'
return config
@mock.patch('vmemclient.open')
def setup_mock_client(self, _m_client, m_conf=None):
"""Create a fake backend communication factory.
The xg-tools creates a Concerto connection object (for V7000
devices) and returns it for use on a call to vmemclient.open().
"""
# configure the concerto object mock with defaults
_m_concerto = mock.Mock(name='Concerto',
version='1.1.1',
spec=vmemclient.mock_client_conf)
# if m_conf, clobber the defaults with it
if m_conf:
_m_concerto.configure_mock(**m_conf)
# set calls to vmemclient.open() to return this mocked concerto object
_m_client.return_value = _m_concerto
return _m_client
def setup_mock_concerto(self, m_conf=None):
"""Create a fake Concerto communication object."""
_m_concerto = mock.Mock(name='Concerto',
version='1.1.1',
spec=vmemclient.mock_client_conf)
if m_conf:
_m_concerto.configure_mock(**m_conf)
return _m_concerto
def test_check_for_setup_error(self):
"""No setup errors are found."""
self.driver.vmem_mg = self.setup_mock_concerto()
self.driver._is_supported_vmos_version = mock.Mock(return_value=True)
result = self.driver.check_for_setup_error()
self.driver._is_supported_vmos_version.assert_called_with(
self.driver.vmem_mg.version)
self.assertIsNone(result)
def test_create_lun(self):
"""Lun is successfully created."""
response = {'success': True, 'msg': 'Create resource successfully.'}
size_in_mb = VOLUME['size'] * units.Ki
conf = {
'lun.create_lun.return_value': response,
}
self.driver.vmem_mg = self.setup_mock_concerto(m_conf=conf)
self.driver._send_cmd = mock.Mock(return_value=response)
result = self.driver._create_lun(VOLUME)
self.driver._send_cmd.assert_called_with(
self.driver.vmem_mg.lun.create_lun,
'Create resource successfully.',
VOLUME['id'], size_in_mb, False, False, size_in_mb,
storage_pool=None)
self.assertIsNone(result)
def test_create_dedup_lun(self):
"""Lun is successfully created."""
vol = VOLUME.copy()
vol['size'] = 100
vol['volume_type_id'] = '1'
response = {'success': True, 'msg': 'Create resource successfully.'}
size_in_mb = vol['size'] * units.Ki
full_size_mb = size_in_mb
conf = {
'lun.create_lun.return_value': response,
}
self.driver.vmem_mg = self.setup_mock_concerto(m_conf=conf)
self.driver._send_cmd = mock.Mock(return_value=response)
# simulate extra specs of {'thin': 'true', 'dedupe': 'true'}
self.driver._get_volume_type_extra_spec = mock.Mock(
return_value="True")
self.driver._get_violin_extra_spec = mock.Mock(
return_value=None)
result = self.driver._create_lun(vol)
self.driver._send_cmd.assert_called_with(
self.driver.vmem_mg.lun.create_lun,
'Create resource successfully.',
VOLUME['id'], size_in_mb / 10, True, True, full_size_mb,
storage_pool=None)
self.assertIsNone(result)
def test_fail_extend_dedup_lun(self):
"""Volume extend fails when new size would shrink the volume."""
failure = exception.VolumeDriverException
vol = VOLUME.copy()
vol['volume_type_id'] = '1'
size_in_mb = vol['size'] * units.Ki
self.driver.vmem_mg = self.setup_mock_concerto()
# simulate extra specs of {'thin': 'true', 'dedupe': 'true'}
self.driver._get_volume_type_extra_spec = mock.Mock(
return_value="True")
self.assertRaises(failure, self.driver._extend_lun,
vol, size_in_mb)
def test_create_non_dedup_lun(self):
"""Lun is successfully created."""
vol = VOLUME.copy()
vol['size'] = 100
vol['volume_type_id'] = '1'
response = {'success': True, 'msg': 'Create resource successfully.'}
size_in_mb = vol['size'] * units.Ki
full_size_mb = size_in_mb
conf = {
'lun.create_lun.return_value': response,
}
self.driver.vmem_mg = self.setup_mock_concerto(m_conf=conf)
self.driver._send_cmd = mock.Mock(return_value=response)
# simulate extra specs of {'thin': 'false', 'dedupe': 'false'}
self.driver._get_volume_type_extra_spec = mock.Mock(
return_value="False")
self.driver._get_violin_extra_spec = mock.Mock(
return_value=None)
result = self.driver._create_lun(vol)
self.driver._send_cmd.assert_called_with(
self.driver.vmem_mg.lun.create_lun,
'Create resource successfully.',
VOLUME['id'], size_in_mb, False, False, full_size_mb,
storage_pool=None)
self.assertIsNone(result)
def test_create_lun_fails(self):
"""Array returns error that the lun already exists."""
response = {'success': False,
'msg': 'Duplicate Virtual Device name. Error: 0x90010022'}
conf = {
'lun.create_lun.return_value': response,
}
self.driver.vmem_mg = self.setup_mock_concerto(m_conf=conf)
self.driver._send_cmd = mock.Mock(return_value=response)
self.assertIsNone(self.driver._create_lun(VOLUME))
def test_create_lun_on_a_storage_pool(self):
"""Lun is successfully created."""
vol = VOLUME.copy()
vol['size'] = 100
vol['volume_type_id'] = '1'
response = {'success': True, 'msg': 'Create resource successfully.'}
size_in_mb = vol['size'] * units.Ki
full_size_mb = size_in_mb
conf = {
'lun.create_lun.return_value': response,
}
self.driver.vmem_mg = self.setup_mock_concerto(m_conf=conf)
self.driver._send_cmd = mock.Mock(return_value=response)
self.driver._get_volume_type_extra_spec = mock.Mock(
return_value="False")
# simulates extra specs: {'storage_pool', 'StoragePool'}
self.driver._get_violin_extra_spec = mock.Mock(
return_value="StoragePool")
result = self.driver._create_lun(vol)
self.driver._send_cmd.assert_called_with(
self.driver.vmem_mg.lun.create_lun,
'Create resource successfully.',
VOLUME['id'], size_in_mb, False, False, full_size_mb,
storage_pool="StoragePool")
self.assertIsNone(result)
def test_delete_lun(self):
"""Lun is deleted successfully."""
response = {'success': True, 'msg': 'Delete resource successfully'}
success_msgs = ['Delete resource successfully', '']
conf = {
'lun.delete_lun.return_value': response,
}
self.driver.vmem_mg = self.setup_mock_concerto(m_conf=conf)
self.driver._send_cmd = mock.Mock(return_value=response)
self.driver._delete_lun_snapshot_bookkeeping = mock.Mock()
result = self.driver._delete_lun(VOLUME)
self.driver._send_cmd.assert_called_with(
self.driver.vmem_mg.lun.delete_lun,
success_msgs, VOLUME['id'], True)
self.driver._delete_lun_snapshot_bookkeeping.assert_called_with(
VOLUME['id'])
self.assertIsNone(result)
# TODO(rlucio) More delete lun failure cases to be added after
# collecting the possible responses from Concerto
def test_extend_lun(self):
"""Volume extend completes successfully."""
new_volume_size = 10
change_in_size_mb = (new_volume_size - VOLUME['size']) * units.Ki
response = {'success': True, 'message': 'Expand resource successfully'}
conf = {
'lun.extend_lun.return_value': response,
}
self.driver.vmem_mg = self.setup_mock_concerto(m_conf=conf)
self.driver._send_cmd = mock.Mock(return_value=response)
result = self.driver._extend_lun(VOLUME, new_volume_size)
self.driver._send_cmd.assert_called_with(
self.driver.vmem_mg.lun.extend_lun,
response['message'], VOLUME['id'], change_in_size_mb)
self.assertIsNone(result)
def test_extend_lun_new_size_is_too_small(self):
"""Volume extend fails when new size would shrink the volume."""
new_volume_size = 0
change_in_size_mb = (new_volume_size - VOLUME['size']) * units.Ki
response = {'success': False, 'msg': 'Invalid size. Error: 0x0902000c'}
failure = exception.ViolinBackendErr
conf = {
'lun.resize_lun.return_value': response,
}
self.driver.vmem_mg = self.setup_mock_concerto(m_conf=conf)
self.driver._send_cmd = mock.Mock(side_effect=failure(message='fail'))
self.assertRaises(failure, self.driver._extend_lun,
VOLUME, change_in_size_mb)
def test_create_volume_from_snapshot(self):
"""Create a new cinder volume from a given snapshot of a lun."""
object_id = '12345'
vdev_id = 11111
response = {'success': True,
'object_id': object_id,
'msg': 'Copy TimeMark successfully.'}
lun_info = {'virtualDeviceID': vdev_id}
compressed_snap_id = 'abcdabcd1234abcd1234abcdeffedcbb'
conf = {
'lun.copy_snapshot_to_new_lun.return_value': response,
}
self.driver.vmem_mg = self.setup_mock_concerto(m_conf=conf)
self.driver._compress_snapshot_id = mock.Mock(
return_value=compressed_snap_id)
self.driver.vmem_mg.lun.get_lun_info = mock.Mock(return_value=lun_info)
self.driver._wait_for_lun_or_snap_copy = mock.Mock()
result = self.driver._create_volume_from_snapshot(SNAPSHOT, VOLUME)
self.driver.vmem_mg.lun.copy_snapshot_to_new_lun.assert_called_with(
source_lun=SNAPSHOT['volume_id'],
source_snapshot_comment=compressed_snap_id,
destination=VOLUME['id'], storage_pool=None)
self.driver.vmem_mg.lun.get_lun_info.assert_called_with(
object_id=object_id)
self.driver._wait_for_lun_or_snap_copy.assert_called_with(
SNAPSHOT['volume_id'], dest_vdev_id=vdev_id)
self.assertIsNone(result)
def test_create_volume_from_snapshot_on_a_storage_pool(self):
"""Create a new cinder volume from a given snapshot of a lun."""
dest_vol = VOLUME.copy()
dest_vol['size'] = 100
dest_vol['volume_type_id'] = '1'
object_id = '12345'
vdev_id = 11111
response = {'success': True,
'object_id': object_id,
'msg': 'Copy TimeMark successfully.'}
lun_info = {'virtualDeviceID': vdev_id}
compressed_snap_id = 'abcdabcd1234abcd1234abcdeffedcbb'
conf = {
'lun.copy_snapshot_to_new_lun.return_value': response,
}
self.driver.vmem_mg = self.setup_mock_concerto(m_conf=conf)
self.driver._compress_snapshot_id = mock.Mock(
return_value=compressed_snap_id)
self.driver.vmem_mg.lun.get_lun_info = mock.Mock(return_value=lun_info)
self.driver._wait_for_lun_or_snap_copy = mock.Mock()
# simulates extra specs: {'storage_pool', 'StoragePool'}
self.driver._get_violin_extra_spec = mock.Mock(
return_value="StoragePool")
result = self.driver._create_volume_from_snapshot(SNAPSHOT, dest_vol)
self.assertIsNone(result)
def test_create_volume_from_snapshot_fails(self):
"""Array returns error that the lun already exists."""
response = {'success': False,
'msg': 'Duplicate Virtual Device name. Error: 0x90010022'}
compressed_snap_id = 'abcdabcd1234abcd1234abcdeffedcbb'
failure = exception.ViolinBackendErrExists
conf = {
'lun.copy_snapshot_to_new_lun.return_value': response,
}
self.driver.vmem_mg = self.setup_mock_concerto(m_conf=conf)
self.driver._send_cmd = mock.Mock(return_value=response)
self.driver._compress_snapshot_id = mock.Mock(
return_value=compressed_snap_id)
self.driver._send_cmd = mock.Mock(side_effect=failure(message='fail'))
self.assertRaises(failure, self.driver._create_volume_from_snapshot,
SNAPSHOT, VOLUME)
def test_create_lun_from_lun(self):
"""lun full clone to new volume completes successfully."""
object_id = '12345'
response = {'success': True,
'object_id': object_id,
'msg': 'Copy Snapshot resource successfully'}
conf = {
'lun.copy_lun_to_new_lun.return_value': response,
}
self.driver.vmem_mg = self.setup_mock_concerto(m_conf=conf)
self.driver._ensure_snapshot_resource_area = mock.Mock()
self.driver._wait_for_lun_or_snap_copy = mock.Mock()
result = self.driver._create_lun_from_lun(SRC_VOL, VOLUME)
self.driver._ensure_snapshot_resource_area.assert_called_with(
SRC_VOL['id'])
self.driver.vmem_mg.lun.copy_lun_to_new_lun.assert_called_with(
source=SRC_VOL['id'], destination=VOLUME['id'], storage_pool=None)
self.driver._wait_for_lun_or_snap_copy.assert_called_with(
SRC_VOL['id'], dest_obj_id=object_id)
self.assertIsNone(result)
def test_create_lun_from_lun_on_a_storage_pool(self):
"""lun full clone to new volume completes successfully."""
dest_vol = VOLUME.copy()
dest_vol['size'] = 100
dest_vol['volume_type_id'] = '1'
object_id = '12345'
response = {'success': True,
'object_id': object_id,
'msg': 'Copy Snapshot resource successfully'}
conf = {
'lun.copy_lun_to_new_lun.return_value': response,
}
self.driver.vmem_mg = self.setup_mock_concerto(m_conf=conf)
self.driver._ensure_snapshot_resource_area = mock.Mock()
self.driver._wait_for_lun_or_snap_copy = mock.Mock()
# simulates extra specs: {'storage_pool', 'StoragePool'}
self.driver._get_violin_extra_spec = mock.Mock(
return_value="StoragePool")
result = self.driver._create_lun_from_lun(SRC_VOL, dest_vol)
self.driver._ensure_snapshot_resource_area.assert_called_with(
SRC_VOL['id'])
self.driver.vmem_mg.lun.copy_lun_to_new_lun.assert_called_with(
source=SRC_VOL['id'], destination=dest_vol['id'],
storage_pool="StoragePool")
self.driver._wait_for_lun_or_snap_copy.assert_called_with(
SRC_VOL['id'], dest_obj_id=object_id)
self.assertIsNone(result)
def test_create_lun_from_lun_fails(self):
"""lun full clone to new volume completes successfully."""
failure = exception.ViolinBackendErr
response = {'success': False,
'msg': 'Snapshot Resource is not created '
'for this virtual device. Error: 0x0901008c'}
conf = {
'lun.copy_lun_to_new_lun.return_value': response,
}
self.driver.vmem_mg = self.setup_mock_concerto(m_conf=conf)
self.driver._ensure_snapshot_resource_area = mock.Mock()
self.driver._send_cmd = mock.Mock(side_effect=failure(message='fail'))
self.assertRaises(failure, self.driver._create_lun_from_lun,
SRC_VOL, VOLUME)
def test_send_cmd(self):
"""Command callback completes successfully."""
success_msg = 'success'
request_args = ['arg1', 'arg2', 'arg3']
response = {'success': True, 'msg': 'Operation successful'}
request_func = mock.Mock(return_value=response)
result = self.driver._send_cmd(request_func, success_msg, request_args)
self.assertEqual(response, result)
def test_send_cmd_request_timed_out(self):
"""The callback retry timeout hits immediately."""
failure = exception.ViolinRequestRetryTimeout
success_msg = 'success'
request_args = ['arg1', 'arg2', 'arg3']
self.conf.violin_request_timeout = 0
request_func = mock.Mock()
self.assertRaises(failure, self.driver._send_cmd,
request_func, success_msg, request_args)
def test_send_cmd_response_has_no_message(self):
"""The callback returns no message on the first call."""
success_msg = 'success'
request_args = ['arg1', 'arg2', 'arg3']
response1 = {'success': True, 'msg': None}
response2 = {'success': True, 'msg': 'success'}
request_func = mock.Mock(side_effect=[response1, response2])
self.assertEqual(response2, self.driver._send_cmd
(request_func, success_msg, request_args))
def test_check_error_code(self):
"""Return an exception for a valid error code."""
failure = exception.ViolinBackendErr
response = {'success': False, 'msg': 'Error: 0x90000000'}
self.assertRaises(failure, self.driver._check_error_code,
response)
def test_check_error_code_non_fatal_error(self):
"""Returns no exception for a non-fatal error code."""
response = {'success': False, 'msg': 'Error: 0x9001003c'}
self.assertIsNone(self.driver._check_error_code(response))
def test_compress_snapshot_id(self):
test_snap_id = "12345678-abcd-1234-cdef-0123456789ab"
expected = "12345678abcd1234cdef0123456789ab"
self.assertTrue(len(expected) == 32)
result = self.driver._compress_snapshot_id(test_snap_id)
self.assertTrue(result == expected)
def test_ensure_snapshot_resource_area(self):
result_dict = {'success': True, 'res': 'Successful'}
self.driver.vmem_mg = self.setup_mock_concerto()
snap = self.driver.vmem_mg.snapshot
snap.lun_has_a_snapshot_resource = mock.Mock(return_value=False)
snap.create_snapshot_resource = mock.Mock(return_value=result_dict)
with mock.patch('cinder.db.sqlalchemy.api.volume_get',
return_value=VOLUME):
result = self.driver._ensure_snapshot_resource_area(VOLUME_ID)
self.assertIsNone(result)
snap.lun_has_a_snapshot_resource.assert_called_with(lun=VOLUME_ID)
snap.create_snapshot_resource.assert_called_with(
lun=VOLUME_ID,
size=int(math.ceil(0.2 * (VOLUME['size'] * 1024))),
enable_notification=False,
policy=v7000_common.CONCERTO_DEFAULT_SRA_POLICY,
enable_expansion=
v7000_common.CONCERTO_DEFAULT_SRA_ENABLE_EXPANSION,
expansion_threshold=
v7000_common.CONCERTO_DEFAULT_SRA_EXPANSION_THRESHOLD,
expansion_increment=
v7000_common.CONCERTO_DEFAULT_SRA_EXPANSION_INCREMENT,
expansion_max_size=
v7000_common.CONCERTO_DEFAULT_SRA_EXPANSION_MAX_SIZE,
enable_shrink=v7000_common.CONCERTO_DEFAULT_SRA_ENABLE_SHRINK,
storage_pool=None)
def test_ensure_snapshot_resource_area_with_storage_pool(self):
dest_vol = VOLUME.copy()
dest_vol['size'] = 2
dest_vol['volume_type_id'] = '1'
result_dict = {'success': True, 'res': 'Successful'}
self.driver.vmem_mg = self.setup_mock_concerto()
snap = self.driver.vmem_mg.snapshot
snap.lun_has_a_snapshot_resource = mock.Mock(return_value=False)
snap.create_snapshot_resource = mock.Mock(return_value=result_dict)
# simulates extra specs: {'storage_pool', 'StoragePool'}
self.driver._get_violin_extra_spec = mock.Mock(
return_value="StoragePool")
with mock.patch('cinder.db.sqlalchemy.api.volume_get',
return_value=dest_vol):
result = self.driver._ensure_snapshot_resource_area(VOLUME_ID)
self.assertIsNone(result)
snap.lun_has_a_snapshot_resource.assert_called_with(lun=VOLUME_ID)
snap.create_snapshot_resource.assert_called_with(
lun=VOLUME_ID,
size=int(math.ceil(0.2 * (VOLUME['size'] * 1024))),
enable_notification=False,
policy=v7000_common.CONCERTO_DEFAULT_SRA_POLICY,
enable_expansion=
v7000_common.CONCERTO_DEFAULT_SRA_ENABLE_EXPANSION,
expansion_threshold=
v7000_common.CONCERTO_DEFAULT_SRA_EXPANSION_THRESHOLD,
expansion_increment=
v7000_common.CONCERTO_DEFAULT_SRA_EXPANSION_INCREMENT,
expansion_max_size=
v7000_common.CONCERTO_DEFAULT_SRA_EXPANSION_MAX_SIZE,
enable_shrink=v7000_common.CONCERTO_DEFAULT_SRA_ENABLE_SHRINK,
storage_pool="StoragePool")
def test_ensure_snapshot_resource_policy(self):
result_dict = {'success': True, 'res': 'Successful'}
self.driver.vmem_mg = self.setup_mock_concerto()
snap = self.driver.vmem_mg.snapshot
snap.lun_has_a_snapshot_policy = mock.Mock(return_value=False)
snap.create_snapshot_policy = mock.Mock(return_value=result_dict)
result = self.driver._ensure_snapshot_policy(VOLUME_ID)
self.assertIsNone(result)
snap.lun_has_a_snapshot_policy.assert_called_with(lun=VOLUME_ID)
snap.create_snapshot_policy.assert_called_with(
lun=VOLUME_ID,
max_snapshots=v7000_common.CONCERTO_DEFAULT_POLICY_MAX_SNAPSHOTS,
enable_replication=False,
enable_snapshot_schedule=False,
enable_cdp=False,
retention_mode=v7000_common.CONCERTO_DEFAULT_POLICY_RETENTION_MODE)
def test_delete_lun_snapshot_bookkeeping(self):
result_dict = {'success': True, 'res': 'Successful'}
self.driver.vmem_mg = self.setup_mock_concerto()
snap = self.driver.vmem_mg.snapshot
snap.get_snapshots = mock.Mock(
return_value=[],
side_effect=vmemclient.core.error.NoMatchingObjectIdError)
snap.delete_snapshot_policy = mock.Mock(return_value=result_dict)
snap.delete_snapshot_resource = mock.Mock()
result = self.driver._delete_lun_snapshot_bookkeeping(
volume_id=VOLUME_ID)
self.assertIsNone(result)
snap.get_snapshots.assert_called_with(VOLUME_ID)
snap.delete_snapshot_policy.assert_called_with(lun=VOLUME_ID)
snap.delete_snapshot_resource.assert_called_with(lun=VOLUME_ID)
def test_create_lun_snapshot(self):
response = {'success': True, 'msg': 'Create TimeMark successfully'}
self.driver.vmem_mg = self.setup_mock_concerto()
self.driver._ensure_snapshot_resource_area = (
mock.Mock(return_value=True))
self.driver._ensure_snapshot_policy = mock.Mock(return_value=True)
self.driver._send_cmd = mock.Mock(return_value=response)
with mock.patch('cinder.db.sqlalchemy.api.volume_get',
return_value=VOLUME):
result = self.driver._create_lun_snapshot(SNAPSHOT)
self.assertIsNone(result)
self.driver._ensure_snapshot_resource_area.assert_called_with(
VOLUME_ID)
self.driver._ensure_snapshot_policy.assert_called_with(VOLUME_ID)
self.driver._send_cmd.assert_called_with(
self.driver.vmem_mg.snapshot.create_lun_snapshot,
'Create TimeMark successfully',
lun=VOLUME_ID,
comment=self.driver._compress_snapshot_id(SNAPSHOT_ID),
priority=v7000_common.CONCERTO_DEFAULT_PRIORITY,
enable_notification=False)
def test_delete_lun_snapshot(self):
response = {'success': True, 'msg': 'Delete TimeMark successfully'}
compressed_snap_id = 'abcdabcd1234abcd1234abcdeffedcbb'
self.driver.vmem_mg = self.setup_mock_concerto()
self.driver._send_cmd = mock.Mock(return_value=response)
self.driver._compress_snapshot_id = mock.Mock(
return_value=compressed_snap_id)
self.assertIsNone(self.driver._delete_lun_snapshot(SNAPSHOT))
self.driver._send_cmd.assert_called_with(
self.driver.vmem_mg.snapshot.delete_lun_snapshot,
'Delete TimeMark successfully',
lun=VOLUME_ID,
comment=compressed_snap_id)
def test_wait_for_lun_or_snap_copy_completes_for_snap(self):
"""waiting for a snapshot to copy succeeds."""
vdev_id = 11111
response = (vdev_id, None, 100)
conf = {
'snapshot.get_snapshot_copy_status.return_value': response,
}
self.driver.vmem_mg = self.setup_mock_concerto(m_conf=conf)
result = self.driver._wait_for_lun_or_snap_copy(
SRC_VOL['id'], dest_vdev_id=vdev_id)
(self.driver.vmem_mg.snapshot.get_snapshot_copy_status.
assert_called_with(SRC_VOL['id']))
self.assertTrue(result)
def test_wait_for_lun_or_snap_copy_completes_for_lun(self):
"""waiting for a lun to copy succeeds."""
object_id = '12345'
response = (object_id, None, 100)
conf = {
'lun.get_lun_copy_status.return_value': response,
}
self.driver.vmem_mg = self.setup_mock_concerto(m_conf=conf)
result = self.driver._wait_for_lun_or_snap_copy(
SRC_VOL['id'], dest_obj_id=object_id)
self.driver.vmem_mg.lun.get_lun_copy_status.assert_called_with(
SRC_VOL['id'])
self.assertTrue(result)
@mock.patch.object(context, 'get_admin_context')
@mock.patch.object(volume_types, 'get_volume_type')
def test_get_volume_type_extra_spec(self,
m_get_volume_type,
m_get_admin_context):
'''Volume_type extra specs are found successfully.'''
vol = VOLUME.copy()
vol['volume_type_id'] = 1
volume_type = {'extra_specs': {'override:test_key': 'test_value'}}
m_get_admin_context.return_value = None
m_get_volume_type.return_value = volume_type
result = self.driver._get_volume_type_extra_spec(vol, 'test_key')
m_get_admin_context.assert_called_with()
m_get_volume_type.assert_called_with(None, vol['volume_type_id'])
self.assertEqual('test_value', result)
@mock.patch.object(context, 'get_admin_context')
@mock.patch.object(volume_types, 'get_volume_type')
def test_get_violin_extra_spec(self,
m_get_volume_type,
m_get_admin_context):
'''Volume_type extra specs are found successfully.'''
vol = VOLUME.copy()
vol['volume_type_id'] = 1
volume_type = {'extra_specs': {'violin:test_key': 'test_value'}}
m_get_admin_context.return_value = None
m_get_volume_type.return_value = volume_type
result = self.driver._get_volume_type_extra_spec(vol, 'test_key')
m_get_admin_context.assert_called_with()
m_get_volume_type.assert_called_with(None, vol['volume_type_id'])
self.assertEqual('test_value', result)