cinder/cinder/tests/unit/volume/drivers/dell_emc/powermax/test_powermax_iscsi.py

330 lines
15 KiB
Python

# Copyright (c) 2020 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.
from copy import deepcopy
from unittest import mock
from cinder import exception
from cinder.tests.unit import test
from cinder.tests.unit.volume.drivers.dell_emc.powermax import (
powermax_data as tpd)
from cinder.tests.unit.volume.drivers.dell_emc.powermax import (
powermax_fake_objects as tpfo)
from cinder.volume.drivers.dell_emc.powermax import iscsi
from cinder.volume.drivers.dell_emc.powermax import rest
from cinder.volume import volume_utils
class PowerMaxISCSITest(test.TestCase):
def setUp(self):
self.data = tpd.PowerMaxData()
super(PowerMaxISCSITest, self).setUp()
volume_utils.get_max_over_subscription_ratio = mock.Mock()
configuration = tpfo.FakeConfiguration(
None, 'ISCSITests', 1, 1, san_ip='1.1.1.1', san_login='smc',
vmax_array=self.data.array, vmax_srp='SRP_1', san_password='smc',
san_api_port=8443, vmax_port_groups=[self.data.port_group_name_i])
rest.PowerMaxRest._establish_rest_session = mock.Mock(
return_value=tpfo.FakeRequestsSession())
driver = iscsi.PowerMaxISCSIDriver(configuration=configuration)
self.driver = driver
self.common = self.driver.common
self.masking = self.common.masking
self.utils = self.common.utils
self.utils.get_volumetype_extra_specs = (
mock.Mock(return_value=self.data.vol_type_extra_specs))
def test_create_volume(self):
with mock.patch.object(self.common, 'create_volume') as mock_create:
self.driver.create_volume(self.data.test_volume)
mock_create.assert_called_once_with(
self.data.test_volume)
def test_create_volume_from_snapshot(self):
volume = self.data.test_clone_volume
snapshot = self.data.test_snapshot
with mock.patch.object(
self.common, 'create_volume_from_snapshot') as mock_create:
self.driver.create_volume_from_snapshot(volume, snapshot)
mock_create.assert_called_once_with(
volume, snapshot)
def test_create_cloned_volume(self):
volume = self.data.test_clone_volume
src_volume = self.data.test_volume
with mock.patch.object(
self.common, 'create_cloned_volume') as mock_create:
self.driver.create_cloned_volume(volume, src_volume)
mock_create.assert_called_once_with(volume, src_volume)
def test_delete_volume(self):
with mock.patch.object(self.common, 'delete_volume') as mock_delete:
self.driver.delete_volume(self.data.test_volume)
mock_delete.assert_called_once_with(
self.data.test_volume)
def test_create_snapshot(self):
with mock.patch.object(self.common, 'create_snapshot') as mock_create:
self.driver.create_snapshot(self.data.test_snapshot)
mock_create.assert_called_once_with(
self.data.test_snapshot, self.data.test_snapshot.volume)
def test_delete_snapshot(self):
with mock.patch.object(self.common, 'delete_snapshot') as mock_delete:
self.driver.delete_snapshot(self.data.test_snapshot)
mock_delete.assert_called_once_with(
self.data.test_snapshot, self.data.test_snapshot.volume)
def test_initialize_connection(self):
ref_dict = {'maskingview': self.data.masking_view_name_f,
'array': self.data.array, 'hostlunid': 3,
'device_id': self.data.device_id,
'ip_and_iqn': [{'ip': self.data.ip,
'iqn': self.data.initiator}],
'is_multipath': False}
with mock.patch.object(self.driver, 'get_iscsi_dict') as mock_get:
with mock.patch.object(
self.common, 'get_port_group_from_masking_view',
return_value=self.data.port_group_name_i):
self.driver.initialize_connection(self.data.test_volume,
self.data.connector)
mock_get.assert_called_once_with(
ref_dict, self.data.test_volume)
def test_get_iscsi_dict_success(self):
ip_and_iqn = self.common._find_ip_and_iqns(
self.data.array, self.data.port_group_name_i)
host_lun_id = self.data.iscsi_device_info['hostlunid']
volume = self.data.test_volume
device_info = self.data.iscsi_device_info
ref_data = {'driver_volume_type': 'iscsi', 'data': {}}
with mock.patch.object(
self.driver, 'vmax_get_iscsi_properties',
return_value={}) as mock_get:
data = self.driver.get_iscsi_dict(device_info, volume)
self.assertEqual(ref_data, data)
mock_get.assert_called_once_with(
volume, ip_and_iqn, True, host_lun_id, None, None)
def test_get_iscsi_dict_exception(self):
device_info = {'ip_and_iqn': ''}
self.assertRaises(exception.VolumeBackendAPIException,
self.driver.get_iscsi_dict,
device_info, self.data.test_volume)
def test_get_iscsi_dict_metro(self):
ip_and_iqn = self.common._find_ip_and_iqns(
self.data.array, self.data.port_group_name_i)
host_lun_id = self.data.iscsi_device_info_metro['hostlunid']
volume = self.data.test_volume
device_info = self.data.iscsi_device_info_metro
ref_data = {'driver_volume_type': 'iscsi', 'data': {}}
with mock.patch.object(self.driver, 'vmax_get_iscsi_properties',
return_value={}) as mock_get:
data = self.driver.get_iscsi_dict(device_info, volume)
self.assertEqual(ref_data, data)
mock_get.assert_called_once_with(
volume, ip_and_iqn, True, host_lun_id,
self.data.iscsi_device_info_metro['metro_ip_and_iqn'],
self.data.iscsi_device_info_metro['metro_hostlunid'])
def test_vmax_get_iscsi_properties_one_target_no_auth(self):
vol = deepcopy(self.data.test_volume)
ip_and_iqn = self.common._find_ip_and_iqns(
self.data.array, self.data.port_group_name_i)
host_lun_id = self.data.iscsi_device_info['hostlunid']
ref_properties = {
'target_discovered': True,
'target_iqn': ip_and_iqn[0]['iqn'].split(',')[0],
'target_portal': ip_and_iqn[0]['ip'] + ':3260',
'target_lun': host_lun_id,
'volume_id': self.data.test_volume.id}
iscsi_properties = self.driver.vmax_get_iscsi_properties(
vol, ip_and_iqn, True, host_lun_id, [], None)
self.assertEqual(type(ref_properties), type(iscsi_properties))
self.assertEqual(ref_properties, iscsi_properties)
def test_vmax_get_iscsi_properties_multiple_targets(self):
ip_and_iqn = [{'ip': self.data.ip, 'iqn': self.data.initiator},
{'ip': self.data.ip, 'iqn': self.data.iqn}]
host_lun_id = self.data.iscsi_device_info['hostlunid']
ref_properties = {
'target_portals': (
[t['ip'] + ':3260' for t in ip_and_iqn]),
'target_iqns': (
[t['iqn'].split(',')[0] for t in ip_and_iqn]),
'target_luns': [host_lun_id] * len(ip_and_iqn),
'target_discovered': True,
'target_iqn': ip_and_iqn[0]['iqn'].split(',')[0],
'target_portal': ip_and_iqn[0]['ip'] + ':3260',
'target_lun': host_lun_id,
'volume_id': self.data.test_volume.id}
iscsi_properties = self.driver.vmax_get_iscsi_properties(
self.data.test_volume, ip_and_iqn, True, host_lun_id, [], None)
self.assertEqual(ref_properties, iscsi_properties)
def test_vmax_get_iscsi_properties_auth(self):
vol = deepcopy(self.data.test_volume)
backup_conf = self.common.configuration
configuration = tpfo.FakeConfiguration(
None, 'ISCSITests', 1, 1, san_ip='1.1.1.1', san_login='smc',
vmax_array=self.data.array, vmax_srp='SRP_1', san_password='smc',
san_rest_port=8443, use_chap_auth=True,
chap_username='auth_username', chap_password='auth_secret',
vmax_port_groups=[self.data.port_group_name_i])
self.driver.configuration = configuration
ip_and_iqn = [{'ip': self.data.ip, 'iqn': self.data.initiator},
{'ip': self.data.ip, 'iqn': self.data.iqn}]
host_lun_id = self.data.iscsi_device_info['hostlunid']
ref_properties = {
'target_portals': (
[t['ip'] + ':3260' for t in ip_and_iqn]),
'target_iqns': (
[t['iqn'].split(',')[0] for t in ip_and_iqn]),
'target_luns': [host_lun_id] * len(ip_and_iqn),
'target_discovered': True,
'target_iqn': ip_and_iqn[0]['iqn'].split(',')[0],
'target_portal': ip_and_iqn[0]['ip'] + ':3260',
'target_lun': host_lun_id,
'volume_id': self.data.test_volume.id,
'auth_method': 'CHAP',
'auth_username': 'auth_username',
'auth_password': 'auth_secret'}
iscsi_properties = self.driver.vmax_get_iscsi_properties(
vol, ip_and_iqn, True, host_lun_id, None, None)
self.assertEqual(ref_properties, iscsi_properties)
self.driver.configuration = backup_conf
def test_vmax_get_iscsi_properties_metro(self):
ip_and_iqn = [{'ip': self.data.ip, 'iqn': self.data.iqn}]
total_ip_list = [{'ip': self.data.ip, 'iqn': self.data.iqn},
{'ip': self.data.ip2, 'iqn': self.data.iqn2}]
host_lun_id = self.data.iscsi_device_info['hostlunid']
host_lun_id2 = self.data.iscsi_device_info_metro['metro_hostlunid']
ref_properties = {
'target_portals': (
[t['ip'] + ':3260' for t in total_ip_list]),
'target_iqns': (
[t['iqn'].split(',')[0] for t in total_ip_list]),
'target_luns': [host_lun_id, host_lun_id2],
'target_discovered': True,
'target_iqn': ip_and_iqn[0]['iqn'].split(',')[0],
'target_portal': ip_and_iqn[0]['ip'] + ':3260',
'target_lun': host_lun_id,
'volume_id': self.data.test_volume.id}
iscsi_properties = self.driver.vmax_get_iscsi_properties(
self.data.test_volume, ip_and_iqn, True, host_lun_id,
self.data.iscsi_device_info_metro['metro_ip_and_iqn'],
self.data.iscsi_device_info_metro['metro_hostlunid'])
self.assertEqual(ref_properties, iscsi_properties)
def test_terminate_connection(self):
with mock.patch.object(
self.common, 'terminate_connection') as mock_terminate:
self.driver.terminate_connection(self.data.test_volume,
self.data.connector)
mock_terminate.assert_called_once_with(
self.data.test_volume, self.data.connector)
def test_extend_volume(self):
with mock.patch.object(
self.common, 'extend_volume') as mock_extend:
self.driver.extend_volume(self.data.test_volume, '3')
mock_extend.assert_called_once_with(self.data.test_volume, '3')
def test_get_volume_stats(self):
with mock.patch.object(
self.driver, '_update_volume_stats') as mock_update:
self.driver.get_volume_stats(True)
mock_update.assert_called_once_with()
def test_update_volume_stats(self):
with mock.patch.object(self.common, 'update_volume_stats',
return_value={}) as mock_update:
self.driver.get_volume_stats()
mock_update.assert_called_once_with()
def test_check_for_setup_error(self):
self.driver.check_for_setup_error()
def test_ensure_export(self):
self.driver.ensure_export('context', 'volume')
def test_create_export(self):
self.driver.create_export('context', 'volume', 'connector')
def test_remove_export(self):
self.driver.remove_export('context', 'volume')
def test_check_for_export(self):
self.driver.check_for_export('context', 'volume_id')
def test_manage_existing(self):
with mock.patch.object(self.common, 'manage_existing',
return_value={}) as mock_manage:
external_ref = {u'source-name': u'00002'}
self.driver.manage_existing(self.data.test_volume, external_ref)
mock_manage.assert_called_once_with(
self.data.test_volume, external_ref)
def test_manage_existing_get_size(self):
with mock.patch.object(self.common, 'manage_existing_get_size',
return_value='1') as mock_manage:
external_ref = {u'source-name': u'00002'}
self.driver.manage_existing_get_size(
self.data.test_volume, external_ref)
mock_manage.assert_called_once_with(
self.data.test_volume, external_ref)
def test_unmanage_volume(self):
with mock.patch.object(self.common, 'unmanage',
return_value={}) as mock_unmanage:
self.driver.unmanage(self.data.test_volume)
mock_unmanage.assert_called_once_with(self.data.test_volume)
def test_retype(self):
host = {'host': self.data.new_host}
new_type = {'extra_specs': {}}
with mock.patch.object(self.common, 'retype',
return_value=True) as mck_retype:
self.driver.retype({}, self.data.test_volume, new_type, '', host)
mck_retype.assert_called_once_with(
self.data.test_volume, new_type, host)
def test_failover_host(self):
with mock.patch.object(self.common, 'failover_host',
return_value={}) as mock_fo:
self.driver.failover_host({}, [self.data.test_volume])
mock_fo.assert_called_once_with([self.data.test_volume], None,
None)
def test_enable_replication(self):
with mock.patch.object(self.common, 'enable_replication') as mock_er:
self.driver.enable_replication(
self.data.ctx, self.data.test_group, [self.data.test_volume])
mock_er.assert_called_once()
def test_disable_replication(self):
with mock.patch.object(self.common, 'disable_replication') as mock_dr:
self.driver.disable_replication(
self.data.ctx, self.data.test_group, [self.data.test_volume])
mock_dr.assert_called_once()
def test_failover_replication(self):
with mock.patch.object(self.common, 'failover_replication') as mock_fo:
self.driver.failover_replication(
self.data.ctx, self.data.test_group, [self.data.test_volume])
mock_fo.assert_called_once()