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# Copyright 2014 Hewlett-Packard Development Company, L.P.
#
# 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 time
from unittest import mock
import testtools
from proliantutils import exception
from proliantutils.hpssa import manager
from proliantutils.hpssa import objects
from proliantutils.tests.hpssa import raid_constants
@mock.patch.object(objects.Server, '_get_all_details')
class ManagerTestCases(testtools.TestCase):
def _test_create_configuration_with_disk_input(self,
controller_exec_cmd_mock,
get_all_details_mock):
ld1 = {'size_gb': 50,
'raid_level': '1',
'controller': 'Smart Array P822 in Slot 2',
'physical_disks': ['5I:1:1',
'5I:1:2']}
ld2 = {'size_gb': 100,
'raid_level': '5',
'controller': 'Smart Array P822 in Slot 2',
'physical_disks': ['5I:1:3',
'5I:1:4',
'6I:1:5']}
raid_info = {'logical_disks': [ld1, ld2]}
current_config = manager.create_configuration(raid_info)
ld1_drives = '5I:1:1,5I:1:2'
ld2_drives = '5I:1:3,5I:1:4,6I:1:5'
controller_exec_cmd_mock.assert_any_call("create",
"type=logicaldrive",
"drives=%s" % ld2_drives,
"raid=5",
"size=%d" % (100 * 1024),
process_input='y')
# Verify that we created the 50GB disk the last.
controller_exec_cmd_mock.assert_called_with("create",
"type=logicaldrive",
"drives=%s" % ld1_drives,
"raid=1",
"size=%d" % (50 * 1024),
process_input='y')
ld1_ret = [x for x in current_config['logical_disks']
if x['raid_level'] == '1'][0]
ld2_ret = [x for x in current_config['logical_disks']
if x['raid_level'] == '5'][0]
self.assertIsNotNone(ld1_ret['root_device_hint']['wwn'])
self.assertIsNotNone(ld2_ret['root_device_hint']['wwn'])
self.assertIsNotNone(ld1_ret['volume_name'])
self.assertIsNotNone(ld2_ret['volume_name'])
# Assert physical disk info
pds_active = [x['id'] for x in current_config['physical_disks']
if x['status'] == 'active']
pds_ready = [x['id'] for x in current_config['physical_disks']
if x['status'] == 'ready']
pds_active_expected = ['5I:1:3', '5I:1:4', '6I:1:5',
'5I:1:1', '5I:1:2']
pds_ready_expected = ['6I:1:6', '6I:1:7']
self.assertEqual(sorted(pds_active_expected), sorted(pds_active))
self.assertEqual(sorted(pds_ready_expected), sorted(pds_ready))
@mock.patch.object(objects.Controller, 'execute_cmd')
def test_create_configuration_with_disk_input_create_succeeds(
self, controller_exec_cmd_mock, get_all_details_mock):
no_drives = raid_constants.HPSSA_NO_DRIVES
one_drive = raid_constants.HPSSA_ONE_DRIVE_100GB_RAID_5
two_drives = raid_constants.HPSSA_TWO_DRIVES_100GB_RAID5_50GB_RAID1
get_all_details_mock.side_effect = [no_drives, one_drive, two_drives]
self._test_create_configuration_with_disk_input(
controller_exec_cmd_mock, get_all_details_mock)
@mock.patch.object(objects.Controller, 'execute_cmd')
def test_create_configuration_with_disk_input_create_fails(
self, controller_exec_cmd_mock, get_all_details_mock):
no_drives = raid_constants.HPSSA_NO_DRIVES
one_drive = raid_constants.HPSSA_ONE_DRIVE_100GB_RAID_5
get_all_details_mock.side_effect = [no_drives, one_drive, one_drive]
ex = self.assertRaises(exception.HPSSAOperationError,
self._test_create_configuration_with_disk_input,
controller_exec_cmd_mock, get_all_details_mock)
self.assertIn("raid_level '1' and size 50 GB not found", str(ex))
def test_create_configuration_invalid_logical_disks(self,
get_all_details_mock):
drives = raid_constants.HPSSA_NO_DRIVES
get_all_details_mock.return_value = drives
raid_info = {}
self.assertRaises(exception.InvalidInputError,
manager.create_configuration,
raid_info)
raid_info = {'logical_disks': 'foo'}
self.assertRaises(exception.InvalidInputError,
manager.create_configuration,
raid_info)
no_drives = raid_constants.HPSSA_NO_DRIVES
get_all_details_mock.return_value = no_drives
raid_info = {'logical_disks': [
{'size_gb': 50,
'raid_level': '1',
'controller': 'Smart Array P822 in Slot 0',
'physical_disks': ["6I:1:5", "6I:1:6"]}]}
msg = ("Invalid Input: Unable to find controller named 'Smart Array "
"P822 in Slot 0'. The available controllers are "
"'Smart Array P822 in Slot 2'.")
ex = self.assertRaises(exception.InvalidInputError,
manager.create_configuration,
raid_info)
self.assertEqual(msg, str(ex))
@mock.patch.object(objects.Controller, 'execute_cmd')
def test_create_configuration_without_disk_input_succeeds(
self, controller_exec_cmd_mock, get_all_details_mock):
no_drives = raid_constants.HPSSA_NO_DRIVES
one_drive = raid_constants.HPSSA_ONE_DRIVE_100GB_RAID_5
two_drives = raid_constants.HPSSA_TWO_DRIVES_100GB_RAID5_50GB_RAID1
get_all_details_mock.side_effect = [no_drives, one_drive, two_drives]
raid_info = {'logical_disks': [{'size_gb': 50,
'raid_level': '1'},
{'size_gb': 100,
'raid_level': '5'}]}
current_config = manager.create_configuration(raid_info)
controller_exec_cmd_mock.assert_any_call("create",
"type=logicaldrive",
mock.ANY,
"raid=5",
"size=%d" % (100 * 1024),
process_input='y')
# Verify that we created the 50GB disk the last.
controller_exec_cmd_mock.assert_called_with("create",
"type=logicaldrive",
mock.ANY,
"raid=1",
"size=%d" % (50 * 1024),
process_input='y')
ld1_ret = [x for x in current_config['logical_disks']
if x['raid_level'] == '1'][0]
ld2_ret = [x for x in current_config['logical_disks']
if x['raid_level'] == '5'][0]
self.assertEqual('0x600508b1001cc42c',
ld2_ret['root_device_hint']['wwn'])
self.assertEqual('0x600508b1001ce1e1',
ld1_ret['root_device_hint']['wwn'])
@mock.patch.object(objects.Controller, 'execute_cmd')
def test_create_configuration_without_disk_input_fails_on_disk_type(
self, controller_exec_cmd_mock, get_all_details_mock):
no_drives = raid_constants.HPSSA_NO_DRIVES
one_drive = raid_constants.HPSSA_ONE_DRIVE_100GB_RAID_5
two_drives = raid_constants.HPSSA_TWO_DRIVES_100GB_RAID5_50GB_RAID1
get_all_details_mock.side_effect = [no_drives, one_drive, two_drives]
raid_info = {'logical_disks': [{'size_gb': 50,
'raid_level': '1',
'disk_type': 'ssd'},
{'size_gb': 100,
'raid_level': '5',
'disk_type': 'hdd'}]}
exc = self.assertRaises(exception.PhysicalDisksNotFoundError,
manager.create_configuration,
raid_info)
self.assertIn("of size 50 GB and raid level 1", str(exc))
def test_create_configuration_hba_enabled(self, get_all_details_mock):
drives = raid_constants.HPSSA_HBA_MODE
get_all_details_mock.return_value = drives
raid_info = {'logical_disks': 'foo'}
msg = ("An error was encountered while doing ssa configuration: None"
" of the available SSA controllers Smart Array P822 in "
"Slot 3 have RAID enabled")
ex = self.assertRaises(exception.HPSSAOperationError,
manager.create_configuration,
raid_info)
self.assertIn(msg, str(ex))
@mock.patch.object(objects.Controller, 'execute_cmd')
def test_create_configuration_share_physical_disks(
self, controller_exec_cmd_mock, get_all_details_mock):
no_drives = raid_constants.HPSSA_NO_DRIVES_3_PHYSICAL_DISKS
one_drive = raid_constants.ONE_DRIVE_RAID_1
two_drives = raid_constants.TWO_DRIVES_50GB_RAID1
get_all_details_mock.side_effect = [no_drives, one_drive, two_drives]
controller_exec_cmd_mock.side_effect = [
(None, None),
(raid_constants.DRIVE_2_RAID_1_OKAY_TO_SHARE, None),
(None, None)]
raid_info = {'logical_disks': [{'size_gb': 50,
'share_physical_disks': True,
'number_of_physical_disks': 2,
'raid_level': '0',
'disk_type': 'hdd'},
{'size_gb': 50,
'share_physical_disks': True,
'raid_level': '1',
'disk_type': 'hdd'}]}
raid_info = manager.create_configuration(raid_info)
ld1 = raid_info['logical_disks'][0]
ld2 = raid_info['logical_disks'][1]
self.assertEqual('Smart Array P822 in Slot 2', ld1['controller'])
self.assertEqual('Smart Array P822 in Slot 2', ld2['controller'])
self.assertEqual(sorted(['5I:1:1', '5I:1:2']),
sorted(ld1['physical_disks']))
self.assertEqual(sorted(['5I:1:1', '5I:1:2']),
sorted(ld2['physical_disks']))
controller_exec_cmd_mock.assert_any_call(
'create', 'type=logicaldrive', 'drives=5I:1:1,5I:1:2',
'raid=1', 'size=51200', process_input='y')
controller_exec_cmd_mock.assert_any_call(
'array', 'A', 'create', 'type=logicaldrive', 'raid=0', 'size=?',
dont_transform_to_hpssa_exception=True)
controller_exec_cmd_mock.assert_any_call(
'array', 'A', 'create', 'type=logicaldrive', 'raid=0',
'size=51200', process_input='y')
@mock.patch.object(objects.Controller, 'execute_cmd')
def test_create_configuration_share_nonshare_physical_disks(
self, controller_exec_cmd_mock, get_all_details_mock):
no_drives = raid_constants.HPSSA_NO_DRIVES_3_PHYSICAL_DISKS
one_drive = raid_constants.ONE_DRIVE_RAID_1
two_drives = raid_constants.TWO_DRIVES_50GB_RAID1
get_all_details_mock.side_effect = [no_drives, one_drive, two_drives]
controller_exec_cmd_mock.side_effect = [
(None, None),
(raid_constants.DRIVE_2_RAID_1_OKAY_TO_SHARE, None),
(None, None)]
raid_info = {'logical_disks': [{'size_gb': 50,
'raid_level': '1',
'disk_type': 'hdd'},
{'size_gb': 50,
'share_physical_disks': True,
'raid_level': '0',
'disk_type': 'hdd'}]}
raid_info = manager.create_configuration(raid_info)
ld1 = raid_info['logical_disks'][0]
ld2 = raid_info['logical_disks'][1]
self.assertEqual('Smart Array P822 in Slot 2', ld1['controller'])
self.assertEqual('Smart Array P822 in Slot 2', ld2['controller'])
self.assertEqual(sorted(['5I:1:1', '5I:1:2']),
sorted(ld1['physical_disks']))
self.assertEqual(sorted(['5I:1:1', '5I:1:2']),
sorted(ld2['physical_disks']))
controller_exec_cmd_mock.assert_any_call(
'create', 'type=logicaldrive', 'drives=5I:1:1,5I:1:2',
'raid=1', 'size=51200', process_input='y')
controller_exec_cmd_mock.assert_any_call(
'create', 'type=logicaldrive', 'drives=5I:1:3', 'raid=0',
'size=51200', process_input='y')
@mock.patch.object(objects.Controller, 'execute_cmd')
def test_create_configuration_max_as_size_gb(
self, controller_exec_cmd_mock, get_all_details_mock):
no_drives = raid_constants.NO_DRIVES_HPSSA_7_DISKS
one_drive = raid_constants.ONE_DRIVE_RAID_1_50_GB
two_drives = raid_constants.TWO_DRIVES_50GB_RAID1_MAXGB_RAID5
get_all_details_mock.side_effect = [no_drives, one_drive, two_drives]
raid_info = {'logical_disks': [{'size_gb': 50,
'raid_level': '1',
'disk_type': 'hdd'},
{'size_gb': 'MAX',
'raid_level': '5',
'disk_type': 'hdd'}]}
raid_info = manager.create_configuration(raid_info)
ld1 = raid_info['logical_disks'][0]
ld2 = raid_info['logical_disks'][1]
self.assertEqual('Smart Array P822 in Slot 3', ld1['controller'])
self.assertEqual('Smart Array P822 in Slot 3', ld2['controller'])
self.assertEqual(sorted(['5I:1:1', '5I:1:2']),
sorted(ld1['physical_disks']))
self.assertEqual(sorted(['5I:1:3', '5I:1:4', '6I:1:5']),
sorted(ld2['physical_disks']))
controller_exec_cmd_mock.assert_any_call(
'create', 'type=logicaldrive', 'drives=5I:1:1,5I:1:2',
'raid=1', 'size=51200', process_input='y')
controller_exec_cmd_mock.assert_any_call(
'create', 'type=logicaldrive', 'drives=5I:1:3,5I:1:4,6I:1:5',
'raid=5', process_input='y')
def test__sort_shared_logical_disks(self, get_all_details_mock):
logical_disk_sorted_expected = [
{'size_gb': 500, 'disk_type': 'hdd', 'raid_level': '1'},
{'share_physical_disks': True, 'size_gb': 450, 'disk_type': 'hdd',
'number_of_physical_disks': 6, 'raid_level': '0'},
{'share_physical_disks': True, 'size_gb': 200, 'disk_type': 'hdd',
'raid_level': '1+0'},
{'share_physical_disks': True, 'size_gb': 200, 'disk_type': 'hdd',
'raid_level': '0'},
{'share_physical_disks': True, 'size_gb': 100, 'disk_type': 'hdd',
'raid_level': '0'}]
logical_disks = [{'size_gb': 500,
'disk_type': 'hdd',
'raid_level': '1'},
{'share_physical_disks': True,
'size_gb': 450,
'disk_type': 'hdd',
'number_of_physical_disks': 6,
'raid_level': '0'},
{'share_physical_disks': True,
'size_gb': 200,
'disk_type': 'hdd',
'raid_level': '1+0'},
{'share_physical_disks': True,
'size_gb': 200,
'disk_type': 'hdd',
'raid_level': '0'},
{'share_physical_disks': True,
'size_gb': 100,
'disk_type': 'hdd',
'raid_level': '0'}]
logical_disks_sorted = manager._sort_shared_logical_disks(
logical_disks)
self.assertEqual(logical_disks_sorted, logical_disk_sorted_expected)
def test__sort_shared_logical_disks_raid10(self, get_all_details_mock):
logical_disk_sorted_expected = [
{'size_gb': 600, 'disk_type': 'hdd', 'raid_level': '1'},
{'share_physical_disks': False, 'size_gb': 400, 'disk_type': 'hdd',
'raid_level': '1+0'},
{'share_physical_disks': False, 'size_gb': 100, 'disk_type': 'hdd',
'raid_level': '5'},
{'share_physical_disks': True, 'size_gb': 550, 'disk_type': 'hdd',
'raid_level': '1'},
{'share_physical_disks': True, 'size_gb': 200, 'disk_type': 'hdd',
'raid_level': '1+0'},
{'share_physical_disks': True, 'size_gb': 450, 'disk_type': 'hdd',
'number_of_physical_disks': 5, 'raid_level': '0'},
{'share_physical_disks': True, 'size_gb': 300, 'disk_type': 'hdd',
'raid_level': '5'}]
logical_disks = [
{'size_gb': 600, 'disk_type': 'hdd', 'raid_level': '1'},
{'share_physical_disks': True, 'size_gb': 550, 'disk_type': 'hdd',
'raid_level': '1'},
{'share_physical_disks': True, 'size_gb': 450, 'disk_type': 'hdd',
'number_of_physical_disks': 5, 'raid_level': '0'},
{'share_physical_disks': False, 'size_gb': 400, 'disk_type': 'hdd',
'raid_level': '1+0'},
{'share_physical_disks': True, 'size_gb': 300, 'disk_type': 'hdd',
'raid_level': '5'},
{'share_physical_disks': True, 'size_gb': 200, 'disk_type': 'hdd',
'raid_level': '1+0'},
{'share_physical_disks': False, 'size_gb': 100, 'disk_type': 'hdd',
'raid_level': '5'}]
logical_disks_sorted = manager._sort_shared_logical_disks(
logical_disks)
self.assertEqual(logical_disks_sorted, logical_disk_sorted_expected)
@mock.patch.object(manager, 'get_configuration')
@mock.patch.object(objects.Controller, 'execute_cmd')
def test_delete_configuration(self, controller_exec_cmd_mock,
get_configuration_mock,
get_all_details_mock):
get_all_details_mock.return_value = raid_constants.HPSSA_ONE_DRIVE
get_configuration_mock.return_value = 'foo'
ret = manager.delete_configuration()
controller_exec_cmd_mock.assert_called_with(
"logicaldrive", "all", "delete", "forced")
get_configuration_mock.assert_called_once_with()
self.assertEqual('foo', ret)
@mock.patch.object(manager, 'get_configuration')
@mock.patch.object(objects.Controller, 'execute_cmd')
def test_delete_configuration_no_arrays(
self, controller_exec_cmd_mock,
get_configuration_mock, get_all_details_mock):
get_all_details_mock.return_value = raid_constants.HPSSA_NO_DRIVES
get_configuration_mock.return_value = 'foo'
ret = manager.delete_configuration()
self.assertFalse(controller_exec_cmd_mock.called)
get_configuration_mock.assert_called_once_with()
self.assertEqual('foo', ret)
@mock.patch.object(manager, 'get_configuration')
def test_delete_configuration_hba_enabled(self, get_configuration,
get_all_details_mock):
drives = raid_constants.HPSSA_HBA_MODE
get_all_details_mock.return_value = drives
msg = ("An error was encountered while doing ssa configuration: None"
" of the available SSA controllers Smart Array P822 in "
"Slot 3 have RAID enabled")
ex = self.assertRaises(exception.HPSSAOperationError,
manager.delete_configuration)
self.assertIn(msg, str(ex))
def test_get_configuration(self, get_all_details_mock):
get_all_details_mock.return_value = raid_constants.HPSSA_ONE_DRIVE
raid_info_returned = manager.get_configuration()
ld1_expected = {'size_gb': 557,
'raid_level': '1',
'controller': 'Smart Array P822 in Slot 2',
'physical_disks': ['5I:1:1',
'5I:1:2'],
'volume_name': '01F42227PDVTF0BRH5T0MOAB64',
'root_device_hint': {
'wwn': '0x600508b1001c321c'}}
# NOTE(rameshg87: Cannot directly compare because
# of 'physical_disks' key.
ld1_returned = raid_info_returned['logical_disks'][0]
self.assertEqual(ld1_expected['size_gb'],
ld1_returned['size_gb'])
self.assertEqual(ld1_expected['raid_level'],
ld1_returned['raid_level'])
self.assertEqual(ld1_expected['controller'],
ld1_returned['controller'])
self.assertEqual(ld1_expected['volume_name'],
ld1_returned['volume_name'])
self.assertEqual(ld1_expected['root_device_hint'],
ld1_returned['root_device_hint'])
self.assertEqual(sorted(ld1_expected['physical_disks']),
sorted(ld1_returned['physical_disks']))
# Assert physical disk info
pds_active = [x['id'] for x in raid_info_returned['physical_disks']
if x['status'] == 'active']
pds_ready = [x['id'] for x in raid_info_returned['physical_disks']
if x['status'] == 'ready']
pds_active_expected = ['5I:1:1', '5I:1:2']
pds_ready_expected = ['6I:1:6', '6I:1:7', '5I:1:3',
'5I:1:4', '6I:1:5']
self.assertEqual(sorted(pds_active_expected), sorted(pds_active))
self.assertEqual(sorted(pds_ready_expected), sorted(pds_ready))
def test__select_controllers_by_hba(self, get_all_details_mock):
get_all_details_mock.return_value = raid_constants.HPSSA_HBA_MODE
server = objects.Server()
select_controllers = lambda x: not x.properties.get('HBA Mode Enabled',
False)
msg = ("An error was encountered while doing ssa configuration: "
"None of the available SSA controllers Smart Array P822 "
"in Slot 3 have Raid enabled.")
ex = self.assertRaises(exception.HPSSAOperationError,
manager._select_controllers_by,
server, select_controllers, 'Raid enabled')
self.assertIn(msg, str(ex))
def test__select_controllers_by(self, get_all_details_mock):
get_all_details_mock.return_value = raid_constants.HPSSA_NO_DRIVES
server = objects.Server()
select_controllers = lambda x: not x.properties.get('HBA Mode Enabled',
False)
ctrl_expected = server.controllers
manager._select_controllers_by(server, select_controllers,
'Raid enabled')
self.assertEqual(ctrl_expected, server.controllers)
@mock.patch.object(time, 'sleep')
@mock.patch.object(objects.Controller, 'execute_cmd')
def test_erase_devices(self, controller_exec_cmd_mock,
sleep_mock,
get_all_details_mock):
erase_drive = raid_constants.SSA_ERASE_DRIVE
erase_complete = raid_constants.SSA_ERASE_COMPLETE
cmd_args = []
cmd_args.append("pd 1I:2:1")
cmd_args.extend(['modify', 'erase',
'erasepattern=overwrite',
'unrestricted=off',
'forced'])
expt_ret = {
'Smart Array P440 in Slot 2': {
'1I:2:1': 'Erase Complete. Reenable Before Using.',
'Summary': ('Sanitize Erase performed on the disks attached to'
' the controller.')}}
get_all_details_mock.side_effect = [erase_drive, erase_complete,
erase_complete]
ret = manager.erase_devices()
self.assertTrue(controller_exec_cmd_mock.called)
controller_exec_cmd_mock.assert_any_call(*cmd_args)
self.assertEqual(expt_ret, ret)
self.assertFalse(sleep_mock.called)
@mock.patch.object(time, 'sleep')
@mock.patch.object(objects.Controller, 'execute_cmd')
def test_erase_devices_in_progress(self, controller_exec_cmd_mock,
sleep_mock,
get_all_details_mock):
erase_drive = raid_constants.SSA_ERASE_DRIVE
erase_progress = raid_constants.SSA_ERASE_IN_PROGRESS
erase_complete = raid_constants.SSA_ERASE_COMPLETE
expt_ret = {
'Smart Array P440 in Slot 2': {
'1I:2:1': 'Erase Complete. Reenable Before Using.',
'Summary': ('Sanitize Erase performed on the disks attached to'
' the controller.')}}
get_all_details_mock.side_effect = [erase_drive, erase_progress,
erase_complete, erase_complete]
ret = manager.erase_devices()
self.assertTrue(controller_exec_cmd_mock.called)
self.assertEqual(expt_ret, ret)
self.assertTrue(sleep_mock.called)
@mock.patch.object(time, 'sleep')
@mock.patch.object(objects.Controller, 'execute_cmd')
def test_erase_devices_not_supported(self, controller_exec_cmd_mock,
sleep_mock,
get_all_details_mock):
erase_not_supported = raid_constants.SSA_ERASE_NOT_SUPPORTED
erase_complete = raid_constants.SSA_ERASE_COMPLETE_NOT_SUPPORTED
erase_progress = raid_constants.SSA_ERASE_IN_PROGRESS_NOT_SUPPORTED
get_all_details_mock.side_effect = [erase_not_supported,
erase_progress,
erase_complete, erase_complete]
value = ("Drive 1I:2:1: This operation is not supported in this "
"physical drive")
controller_exec_cmd_mock.return_value = value
expt_ret = {
'Smart Array P440 in Slot 2': {
'1I:2:1': 'Erase Complete. Reenable Before Using.',
'Summary': ('Drives overwritten with zeros because '
'sanitize erase is not supported on the '
'controller.')
}
}
ret = manager.erase_devices()
self.assertEqual(expt_ret, ret)
self.assertTrue(controller_exec_cmd_mock.called)
self.assertTrue(sleep_mock.called)
class RaidConfigValidationTestCases(testtools.TestCase):
def test_validate_fails_min_disks_number(self):
raid_config = {'logical_disks':
[{'size_gb': 100,
'raid_level': '5',
'number_of_physical_disks': 2}]}
msg = "RAID level 5 requires at least 3 disks"
self.assertRaisesRegex(exception.InvalidInputError, msg,
manager.validate, raid_config)
def test_validate_fails_min_physical_disks(self):
raid_config = {'logical_disks':
[{'size_gb': 100, 'raid_level': '5',
'physical_disks': ['foo']}]}
msg = "RAID level 5 requires at least 3 disks"
self.assertRaisesRegex(exception.InvalidInputError, msg,
manager.validate, raid_config)
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