# Copyright 2013 Rackspace, Inc.
#
# 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 mock
import netifaces
import os
from oslo_concurrency import processutils
from oslo_utils import units
from oslotest import base as test_base
import pyudev
import six
from stevedore import extension
from ironic_python_agent import errors
from ironic_python_agent import hardware
from ironic_python_agent import utils
if six.PY2:
OPEN_FUNCTION_NAME = '__builtin__.open'
else:
OPEN_FUNCTION_NAME = 'builtins.open'
HDPARM_INFO_TEMPLATE = (
'/dev/sda:\n'
'\n'
'ATA device, with non-removable media\n'
'\tModel Number: 7 PIN SATA FDM\n'
'\tSerial Number: 20131210000000000023\n'
'\tFirmware Revision: SVN406\n'
'\tTransport: Serial, ATA8-AST, SATA 1.0a, SATA II Extensions, '
'SATA Rev 2.5, SATA Rev 2.6, SATA Rev 3.0\n'
'Standards: \n'
'\tSupported: 9 8 7 6 5\n'
'\tLikely used: 9\n'
'Configuration: \n'
'\tLogical\t\tmax\tcurrent\n'
'\tcylinders\t16383\t16383\n'
'\theads\t\t16\t16\n'
'\tsectors/track\t63\t63\n'
'\t--\n'
'\tCHS current addressable sectors: 16514064\n'
'\tLBA user addressable sectors: 60579792\n'
'\tLBA48 user addressable sectors: 60579792\n'
'\tLogical Sector size: 512 bytes\n'
'\tPhysical Sector size: 512 bytes\n'
'\tLogical Sector-0 offset: 0 bytes\n'
'\tdevice size with M = 1024*1024: 29579 MBytes\n'
'\tdevice size with M = 1000*1000: 31016 MBytes (31 GB)\n'
'\tcache/buffer size = unknown\n'
'\tForm Factor: 2.5 inch\n'
'\tNominal Media Rotation Rate: Solid State Device\n'
'Capabilities: \n'
'\tLBA, IORDY(can be disabled)\n'
'\tQueue depth: 32\n'
'\tStandby timer values: spec\'d by Standard, no device specific '
'minimum\n'
'\tR/W multiple sector transfer: Max = 1\tCurrent = 1\n'
'\tDMA: mdma0 mdma1 mdma2 udma0 udma1 udma2 udma3 udma4 *udma5\n'
'\t Cycle time: min=120ns recommended=120ns\n'
'\tPIO: pio0 pio1 pio2 pio3 pio4\n'
'\t Cycle time: no flow control=120ns IORDY flow '
'control=120ns\n'
'Commands/features: \n'
'\tEnabled\tSupported:\n'
'\t *\tSMART feature set\n'
'\t \tSecurity Mode feature set\n'
'\t *\tPower Management feature set\n'
'\t *\tWrite cache\n'
'\t *\tLook-ahead\n'
'\t *\tHost Protected Area feature set\n'
'\t *\tWRITE_BUFFER command\n'
'\t *\tREAD_BUFFER command\n'
'\t *\tNOP cmd\n'
'\t \tSET_MAX security extension\n'
'\t *\t48-bit Address feature set\n'
'\t *\tDevice Configuration Overlay feature set\n'
'\t *\tMandatory FLUSH_CACHE\n'
'\t *\tFLUSH_CACHE_EXT\n'
'\t *\tWRITE_{DMA|MULTIPLE}_FUA_EXT\n'
'\t *\tWRITE_UNCORRECTABLE_EXT command\n'
'\t *\tGen1 signaling speed (1.5Gb/s)\n'
'\t *\tGen2 signaling speed (3.0Gb/s)\n'
'\t *\tGen3 signaling speed (6.0Gb/s)\n'
'\t *\tNative Command Queueing (NCQ)\n'
'\t *\tHost-initiated interface power management\n'
'\t *\tPhy event counters\n'
'\t *\tDMA Setup Auto-Activate optimization\n'
'\t \tDevice-initiated interface power management\n'
'\t *\tSoftware settings preservation\n'
'\t \tunknown 78[8]\n'
'\t *\tSMART Command Transport (SCT) feature set\n'
'\t *\tSCT Error Recovery Control (AC3)\n'
'\t *\tSCT Features Control (AC4)\n'
'\t *\tSCT Data Tables (AC5)\n'
'\t *\tData Set Management TRIM supported (limit 2 blocks)\n'
'Security: \n'
'\tMaster password revision code = 65534\n'
'\t%(supported)s\n'
'\t%(enabled)s\n'
'\tnot\tlocked\n'
'\t%(frozen)s\n'
'\tnot\texpired: security count\n'
'\t%(enhanced_erase)s\n'
'\t24min for SECURITY ERASE UNIT. 24min for ENHANCED SECURITY '
'ERASE UNIT.\n'
'Checksum: correct\n'
) # noqa
# NOTE(jroll) noqa here is to dodge E131 (indent rules). Since this is a
# massive multi-line string (with specific whitespace formatting), it's easier
# for a human to parse it with indentations on line continuations. The other
# option would be to ignore the 79-character limit here. Ew.
BLK_DEVICE_TEMPLATE = (
'KNAME="sda" MODEL="TinyUSB Drive" SIZE="3116853504" '
'ROTA="0" TYPE="disk" SERIAL="123"\n'
'KNAME="sdb" MODEL="Fastable SD131 7" SIZE="10737418240" '
'ROTA="0" TYPE="disk"\n'
'KNAME="sdc" MODEL="NWD-BLP4-1600 " SIZE="1765517033472" '
' ROTA="0" TYPE="disk"\n'
'KNAME="sdd" MODEL="NWD-BLP4-1600 " SIZE="1765517033472" '
' ROTA="0" TYPE="disk"\n'
'KNAME="loop0" MODEL="" SIZE="109109248" ROTA="1" TYPE="loop"'
)
# NOTE(pas-ha) largest device is 1 byte smaller than 4GiB
BLK_DEVICE_TEMPLATE_SMALL = (
'KNAME="sda" MODEL="TinyUSB Drive" SIZE="3116853504" '
'ROTA="0" TYPE="disk"\n'
'KNAME="sdb" MODEL="AlmostBigEnough Drive" SIZE="4294967295" '
'ROTA="0" TYPE="disk"'
)
BLK_DEVICE_TEMPLATE_SMALL_DEVICES = [
hardware.BlockDevice(name='/dev/sda', model='TinyUSB Drive',
size=3116853504, rotational=False,
vendor="FooTastic"),
hardware.BlockDevice(name='/dev/sdb', model='AlmostBigEnough Drive',
size=4294967295, rotational=False,
vendor="FooTastic"),
]
SHRED_OUTPUT = (
'shred: /dev/sda: pass 1/2 (random)...\n'
'shred: /dev/sda: pass 1/2 (random)...4.9GiB/29GiB 17%\n'
'shred: /dev/sda: pass 1/2 (random)...15GiB/29GiB 51%\n'
'shred: /dev/sda: pass 1/2 (random)...20GiB/29GiB 69%\n'
'shred: /dev/sda: pass 1/2 (random)...29GiB/29GiB 100%\n'
'shred: /dev/sda: pass 2/2 (000000)...\n'
'shred: /dev/sda: pass 2/2 (000000)...4.9GiB/29GiB 17%\n'
'shred: /dev/sda: pass 2/2 (000000)...15GiB/29GiB 51%\n'
'shred: /dev/sda: pass 2/2 (000000)...20GiB/29GiB 69%\n'
'shred: /dev/sda: pass 2/2 (000000)...29GiB/29GiB 100%\n'
)
LSCPU_OUTPUT = """
Architecture: x86_64
CPU op-mode(s): 32-bit, 64-bit
Byte Order: Little Endian
CPU(s): 4
On-line CPU(s) list: 0-3
Thread(s) per core: 1
Core(s) per socket: 4
Socket(s): 1
NUMA node(s): 1
Vendor ID: GenuineIntel
CPU family: 6
Model: 45
Model name: Intel(R) Xeon(R) CPU E5-2609 0 @ 2.40GHz
Stepping: 7
CPU MHz: 1290.000
CPU max MHz: 2400.0000
CPU min MHz: 1200.0000
BogoMIPS: 4800.06
Virtualization: VT-x
L1d cache: 32K
L1i cache: 32K
L2 cache: 256K
L3 cache: 10240K
NUMA node0 CPU(s): 0-3
"""
LSCPU_OUTPUT_NO_MAX_MHZ = """
Architecture: x86_64
CPU op-mode(s): 32-bit, 64-bit
Byte Order: Little Endian
CPU(s): 12
On-line CPU(s) list: 0-11
Thread(s) per core: 2
Core(s) per socket: 6
Socket(s): 1
NUMA node(s): 1
Vendor ID: GenuineIntel
CPU family: 6
Model: 63
Model name: Intel(R) Xeon(R) CPU E5-1650 v3 @ 3.50GHz
Stepping: 2
CPU MHz: 1794.433
BogoMIPS: 6983.57
Virtualization: VT-x
L1d cache: 32K
L1i cache: 32K
L2 cache: 256K
L3 cache: 15360K
NUMA node0 CPU(s): 0-11
"""
class FakeHardwareManager(hardware.GenericHardwareManager):
def __init__(self, hardware_support):
self._hardware_support = hardware_support
def evaluate_hardware_support(self):
return self._hardware_support
class TestHardwareManagerLoading(test_base.BaseTestCase):
def setUp(self):
super(TestHardwareManagerLoading, self).setUp()
# In order to use ExtensionManager.make_test_instance() without
# creating a new only-for-test codepath, we instantiate the test
# instance outside of the test case in setUp, where we can access
# make_test_instance() before it gets mocked. Inside of the test case
# we set this as the return value of the mocked constructor, so we can
# verify that the constructor is called correctly while still using a
# more realistic ExtensionManager
fake_ep = mock.Mock()
fake_ep.module_name = 'fake'
fake_ep.attrs = ['fake attrs']
ext1 = extension.Extension(
'fake_generic0', fake_ep, None,
FakeHardwareManager(hardware.HardwareSupport.GENERIC))
ext2 = extension.Extension(
'fake_mainline0', fake_ep, None,
FakeHardwareManager(hardware.HardwareSupport.MAINLINE))
ext3 = extension.Extension(
'fake_generic1', fake_ep, None,
FakeHardwareManager(hardware.HardwareSupport.GENERIC))
self.correct_hw_manager = ext2.obj
self.fake_ext_mgr = extension.ExtensionManager.make_test_instance([
ext1, ext2, ext3
])
class TestGenericHardwareManager(test_base.BaseTestCase):
def setUp(self):
super(TestGenericHardwareManager, self).setUp()
self.hardware = hardware.GenericHardwareManager()
self.node = {'uuid': 'dda135fb-732d-4742-8e72-df8f3199d244',
'driver_internal_info': {}}
@mock.patch('netifaces.ifaddresses')
@mock.patch('os.listdir')
@mock.patch('os.path.exists')
@mock.patch(OPEN_FUNCTION_NAME)
def test_list_network_interfaces(self,
mocked_open,
mocked_exists,
mocked_listdir,
mocked_ifaddresses):
mocked_listdir.return_value = ['lo', 'eth0']
mocked_exists.side_effect = [False, True]
mocked_open.return_value.__enter__ = lambda s: s
mocked_open.return_value.__exit__ = mock.Mock()
read_mock = mocked_open.return_value.read
read_mock.return_value = '00:0c:29:8c:11:b1\n'
mocked_ifaddresses.return_value = {
netifaces.AF_INET: [{'addr': '192.168.1.2'}]
}
interfaces = self.hardware.list_network_interfaces()
self.assertEqual(len(interfaces), 1)
self.assertEqual(interfaces[0].name, 'eth0')
self.assertEqual(interfaces[0].mac_address, '00:0c:29:8c:11:b1')
self.assertEqual(interfaces[0].ipv4_address, '192.168.1.2')
@mock.patch.object(utils, 'execute')
def test_get_os_install_device(self, mocked_execute):
mocked_execute.return_value = (BLK_DEVICE_TEMPLATE, '')
self.assertEqual(self.hardware.get_os_install_device(), '/dev/sdb')
mocked_execute.assert_called_once_with(
'lsblk', '-Pbdi', '-oKNAME,MODEL,SIZE,ROTA,TYPE',
check_exit_code=[0])
@mock.patch.object(utils, 'execute')
def test_get_os_install_device_fails(self, mocked_execute):
"""Fail to find device >=4GB w/o root device hints"""
mocked_execute.return_value = (BLK_DEVICE_TEMPLATE_SMALL, '')
ex = self.assertRaises(errors.DeviceNotFound,
self.hardware.get_os_install_device)
mocked_execute.assert_called_once_with(
'lsblk', '-Pbdi', '-oKNAME,MODEL,SIZE,ROTA,TYPE',
check_exit_code=[0])
self.assertIn(str(4 * units.Gi), ex.details)
@mock.patch.object(hardware, 'list_all_block_devices')
@mock.patch.object(utils, 'parse_root_device_hints')
def test_get_os_install_device_root_device_hints(self, mock_root_device,
mock_dev):
model = 'fastable sd131 7'
mock_root_device.return_value = {'model': model,
'wwn': 'fake-wwn',
'serial': 'fake-serial',
'vendor': 'fake-vendor',
'size': 10}
mock_dev.return_value = [
hardware.BlockDevice(name='/dev/sda',
model='TinyUSB Drive',
size=3116853504,
rotational=False,
vendor='Super Vendor',
wwn='wwn0',
wwn_with_extension='wwn0ven0',
wwn_vendor_extension='ven0',
serial='serial0'),
hardware.BlockDevice(name='/dev/sdb',
model=model,
size=10737418240,
rotational=False,
vendor='fake-vendor',
wwn='fake-wwn',
wwn_with_extension='fake-wwnven0',
wwn_vendor_extension='ven0',
serial='fake-serial'),
]
self.assertEqual('/dev/sdb', self.hardware.get_os_install_device())
mock_root_device.assert_called_once_with()
mock_dev.assert_called_once_with()
@mock.patch.object(hardware, 'list_all_block_devices')
@mock.patch.object(utils, 'parse_root_device_hints')
def test_get_os_install_device_root_device_hints_no_device_found(
self, mock_root_device, mock_dev):
model = 'fastable sd131 7'
mock_root_device.return_value = {'model': model,
'wwn': 'fake-wwn',
'serial': 'fake-serial',
'vendor': 'fake-vendor',
'size': 10}
# Model is different here
mock_dev.return_value = [
hardware.BlockDevice(name='/dev/sda',
model='TinyUSB Drive',
size=3116853504,
rotational=False,
vendor='Super Vendor',
wwn='wwn0',
serial='serial0'),
hardware.BlockDevice(name='/dev/sdb',
model='Another Model',
size=10737418240,
rotational=False,
vendor='fake-vendor',
wwn='fake-wwn',
serial='fake-serial'),
]
self.assertRaises(errors.DeviceNotFound,
self.hardware.get_os_install_device)
mock_root_device.assert_called_once_with()
mock_dev.assert_called_once_with()
def test__get_device_vendor(self):
fileobj = mock.mock_open(read_data='fake-vendor')
with mock.patch(OPEN_FUNCTION_NAME, fileobj, create=True) as mock_open:
vendor = hardware._get_device_vendor('/dev/sdfake')
mock_open.assert_called_once_with(
'/sys/class/block/sdfake/device/vendor', 'r')
self.assertEqual('fake-vendor', vendor)
@mock.patch.object(utils, 'execute')
def test_get_cpus(self, mocked_execute):
mocked_execute.return_value = LSCPU_OUTPUT, ''
cpus = self.hardware.get_cpus()
self.assertEqual(cpus.model_name,
'Intel(R) Xeon(R) CPU E5-2609 0 @ 2.40GHz')
self.assertEqual(cpus.frequency, '2400.0000')
self.assertEqual(cpus.count, 4)
self.assertEqual(cpus.architecture, 'x86_64')
@mock.patch.object(utils, 'execute')
def test_get_cpus2(self, mocked_execute):
mocked_execute.return_value = LSCPU_OUTPUT_NO_MAX_MHZ, ''
cpus = self.hardware.get_cpus()
self.assertEqual(cpus.model_name,
'Intel(R) Xeon(R) CPU E5-1650 v3 @ 3.50GHz')
self.assertEqual(cpus.frequency, '1794.433')
self.assertEqual(cpus.count, 12)
self.assertEqual(cpus.architecture, 'x86_64')
@mock.patch('psutil.version_info', (2, 0))
@mock.patch('psutil.phymem_usage', autospec=True)
@mock.patch.object(utils, 'execute')
def test_get_memory(self, mocked_execute, mocked_usage):
mocked_usage.return_value = mock.Mock(total=3952 * 1024 * 1024)
mocked_execute.return_value = (
"Foo\nSize: 2048 MB\nSize: 2 GB\n",
""
)
mem = self.hardware.get_memory()
self.assertEqual(mem.total, 3952 * 1024 * 1024)
self.assertEqual(mem.physical_mb, 4096)
def test_list_hardware_info(self):
self.hardware.list_network_interfaces = mock.Mock()
self.hardware.list_network_interfaces.return_value = [
hardware.NetworkInterface('eth0', '00:0c:29:8c:11:b1'),
hardware.NetworkInterface('eth1', '00:0c:29:8c:11:b2'),
]
self.hardware.get_cpus = mock.Mock()
self.hardware.get_cpus.return_value = hardware.CPU(
'Awesome CPU x14 9001',
9001,
14,
'x86_64')
self.hardware.get_memory = mock.Mock()
self.hardware.get_memory.return_value = hardware.Memory(1017012)
self.hardware.list_block_devices = mock.Mock()
self.hardware.list_block_devices.return_value = [
hardware.BlockDevice('/dev/sdj', 'big', 1073741824, True),
hardware.BlockDevice('/dev/hdaa', 'small', 65535, False),
]
hardware_info = self.hardware.list_hardware_info()
self.assertEqual(hardware_info['memory'], self.hardware.get_memory())
self.assertEqual(hardware_info['cpu'], self.hardware.get_cpus())
self.assertEqual(hardware_info['disks'],
self.hardware.list_block_devices())
self.assertEqual(hardware_info['interfaces'],
self.hardware.list_network_interfaces())
@mock.patch.object(hardware, 'list_all_block_devices')
def test_list_block_devices(self, list_mock):
device = hardware.BlockDevice('/dev/hdaa', 'small', 65535, False)
list_mock.return_value = [device]
devices = self.hardware.list_block_devices()
self.assertEqual([device], devices)
list_mock.assert_called_once_with()
@mock.patch.object(hardware, '_get_device_vendor')
@mock.patch.object(pyudev.Device, 'from_device_file')
@mock.patch.object(utils, 'execute')
def test_list_all_block_device(self, mocked_execute, mocked_udev,
mocked_dev_vendor):
mocked_execute.return_value = (BLK_DEVICE_TEMPLATE, '')
mocked_udev.side_effect = pyudev.DeviceNotFoundError()
mocked_dev_vendor.return_value = 'Super Vendor'
devices = hardware.list_all_block_devices()
expected_devices = [
hardware.BlockDevice(name='/dev/sda',
model='TinyUSB Drive',
size=3116853504,
rotational=False,
vendor='Super Vendor'),
hardware.BlockDevice(name='/dev/sdb',
model='Fastable SD131 7',
size=10737418240,
rotational=False,
vendor='Super Vendor'),
hardware.BlockDevice(name='/dev/sdc',
model='NWD-BLP4-1600',
size=1765517033472,
rotational=False,
vendor='Super Vendor'),
hardware.BlockDevice(name='/dev/sdd',
model='NWD-BLP4-1600',
size=1765517033472,
rotational=False,
vendor='Super Vendor')
]
self.assertEqual(4, len(devices))
for expected, device in zip(expected_devices, devices):
# Compare all attrs of the objects
for attr in ['name', 'model', 'size', 'rotational',
'wwn', 'vendor', 'serial']:
self.assertEqual(getattr(expected, attr),
getattr(device, attr))
@mock.patch.object(hardware, '_get_device_vendor')
@mock.patch.object(pyudev.Device, 'from_device_file')
@mock.patch.object(utils, 'execute')
def test_list_all_block_device_udev_17(self, mocked_execute, mocked_udev,
mocked_dev_vendor):
# test compatibility with pyudev < 0.18
mocked_execute.return_value = (BLK_DEVICE_TEMPLATE, '')
mocked_udev.side_effect = OSError()
mocked_dev_vendor.return_value = 'Super Vendor'
devices = hardware.list_all_block_devices()
self.assertEqual(4, len(devices))
@mock.patch.object(hardware, '_get_device_vendor')
@mock.patch.object(pyudev.Device, 'from_device_file')
@mock.patch.object(utils, 'execute')
def test_list_all_block_device_with_udev(self, mocked_execute, mocked_udev,
mocked_dev_vendor):
mocked_execute.return_value = (BLK_DEVICE_TEMPLATE, '')
mocked_udev.side_effect = iter([
{'ID_WWN': 'wwn%d' % i, 'ID_SERIAL_SHORT': 'serial%d' % i,
'ID_WWN_WITH_EXTENSION': 'wwn-ext%d' % i,
'ID_WWN_VENDOR_EXTENSION': 'wwn-vendor-ext%d' % i}
for i in range(4)
])
mocked_dev_vendor.return_value = 'Super Vendor'
devices = hardware.list_all_block_devices()
expected_devices = [
hardware.BlockDevice(name='/dev/sda',
model='TinyUSB Drive',
size=3116853504,
rotational=False,
vendor='Super Vendor',
wwn='wwn0',
wwn_with_extension='wwn-ext0',
wwn_vendor_extension='wwn-vendor-ext0',
serial='serial0'),
hardware.BlockDevice(name='/dev/sdb',
model='Fastable SD131 7',
size=10737418240,
rotational=False,
vendor='Super Vendor',
wwn='wwn1',
wwn_with_extension='wwn-ext1',
wwn_vendor_extension='wwn-vendor-ext1',
serial='serial1'),
hardware.BlockDevice(name='/dev/sdc',
model='NWD-BLP4-1600',
size=1765517033472,
rotational=False,
vendor='Super Vendor',
wwn='wwn2',
wwn_with_extension='wwn-ext2',
wwn_vendor_extension='wwn-vendor-ext2',
serial='serial2'),
hardware.BlockDevice(name='/dev/sdd',
model='NWD-BLP4-1600',
size=1765517033472,
rotational=False,
vendor='Super Vendor',
wwn='wwn3',
wwn_with_extension='wwn-ext3',
wwn_vendor_extension='wwn-vendor-ext3',
serial='serial3')
]
self.assertEqual(4, len(expected_devices))
for expected, device in zip(expected_devices, devices):
# Compare all attrs of the objects
for attr in ['name', 'model', 'size', 'rotational',
'wwn', 'vendor', 'serial', 'wwn_with_extension',
'wwn_vendor_extension']:
self.assertEqual(getattr(expected, attr),
getattr(device, attr))
@mock.patch.object(hardware, 'dispatch_to_managers')
def test_erase_devices(self, mocked_dispatch):
mocked_dispatch.return_value = 'erased device'
self.hardware.list_block_devices = mock.Mock()
self.hardware.list_block_devices.return_value = [
hardware.BlockDevice('/dev/sdj', 'big', 1073741824, True),
hardware.BlockDevice('/dev/hdaa', 'small', 65535, False),
]
expected = {'/dev/hdaa': 'erased device', '/dev/sdj': 'erased device'}
result = self.hardware.erase_devices({}, [])
self.assertEqual(expected, result)
@mock.patch.object(utils, 'execute')
def test_erase_block_device_ata_success(self, mocked_execute):
hdparm_info_fields = {
'supported': '\tsupported',
'enabled': 'not\tenabled',
'frozen': 'not\tfrozen',
'enhanced_erase': 'not\tsupported: enhanced erase',
}
mocked_execute.side_effect = [
(HDPARM_INFO_TEMPLATE % hdparm_info_fields, ''),
('', ''),
('', ''),
(HDPARM_INFO_TEMPLATE % hdparm_info_fields, ''),
]
block_device = hardware.BlockDevice('/dev/sda', 'big', 1073741824,
True)
self.hardware.erase_block_device(self.node, block_device)
mocked_execute.assert_has_calls([
mock.call('hdparm', '-I', '/dev/sda'),
mock.call('hdparm', '--user-master', 'u', '--security-set-pass',
'NULL', '/dev/sda'),
mock.call('hdparm', '--user-master', 'u', '--security-erase',
'NULL', '/dev/sda'),
mock.call('hdparm', '-I', '/dev/sda'),
])
@mock.patch.object(utils, 'execute')
def test_erase_block_device_nosecurity_shred(self, mocked_execute):
hdparm_output = HDPARM_INFO_TEMPLATE.split('\nSecurity:')[0]
info = self.node.get('driver_internal_info')
info['agent_erase_devices_iterations'] = 2
mocked_execute.side_effect = [
(hdparm_output, ''),
(SHRED_OUTPUT, '')
]
block_device = hardware.BlockDevice('/dev/sda', 'big', 1073741824,
True)
self.hardware.erase_block_device(self.node, block_device)
mocked_execute.assert_has_calls([
mock.call('hdparm', '-I', '/dev/sda'),
mock.call('shred', '--force', '--zero', '--verbose',
'--iterations', '2', '/dev/sda')
])
@mock.patch.object(utils, 'execute')
def test_erase_block_device_notsupported_shred(self, mocked_execute):
hdparm_output = HDPARM_INFO_TEMPLATE % {
'supported': 'not\tsupported',
'enabled': 'not\tenabled',
'frozen': 'not\tfrozen',
'enhanced_erase': 'not\tsupported: enhanced erase',
}
mocked_execute.side_effect = [
(hdparm_output, ''),
(SHRED_OUTPUT, '')
]
block_device = hardware.BlockDevice('/dev/sda', 'big', 1073741824,
True)
self.hardware.erase_block_device(self.node, block_device)
mocked_execute.assert_has_calls([
mock.call('hdparm', '-I', '/dev/sda'),
mock.call('shred', '--force', '--zero', '--verbose',
'--iterations', '1', '/dev/sda')
])
@mock.patch.object(hardware.GenericHardwareManager,
'_is_virtual_media_device', autospec=True)
def test_erase_block_device_virtual_media(self, vm_mock):
vm_mock.return_value = True
block_device = hardware.BlockDevice('/dev/sda', 'big', 1073741824,
True)
self.hardware.erase_block_device(self.node, block_device)
vm_mock.assert_called_once_with(self.hardware, block_device)
@mock.patch.object(os, 'readlink', autospec=True)
@mock.patch.object(os.path, 'exists', autospec=True)
def test__is_virtual_media_device_exists(self, mocked_exists,
mocked_link):
mocked_exists.return_value = True
mocked_link.return_value = '../../sda'
block_device = hardware.BlockDevice('/dev/sda', 'big', 1073741824,
True)
res = self.hardware._is_virtual_media_device(block_device)
self.assertTrue(res)
mocked_exists.assert_called_once_with('/dev/disk/by-label/ir-vfd-dev')
mocked_link.assert_called_once_with('/dev/disk/by-label/ir-vfd-dev')
@mock.patch.object(os, 'readlink', autospec=True)
@mock.patch.object(os.path, 'exists', autospec=True)
def test__is_virtual_media_device_exists_no_match(self, mocked_exists,
mocked_link):
mocked_exists.return_value = True
mocked_link.return_value = '../../sdb'
block_device = hardware.BlockDevice('/dev/sda', 'big', 1073741824,
True)
res = self.hardware._is_virtual_media_device(block_device)
self.assertFalse(res)
mocked_exists.assert_called_once_with('/dev/disk/by-label/ir-vfd-dev')
mocked_link.assert_called_once_with('/dev/disk/by-label/ir-vfd-dev')
@mock.patch.object(os, 'readlink', autospec=True)
@mock.patch.object(os.path, 'exists', autospec=True)
def test__is_virtual_media_device_path_doesnt_exist(self, mocked_exists,
mocked_link):
mocked_exists.return_value = False
block_device = hardware.BlockDevice('/dev/sda', 'big', 1073741824,
True)
res = self.hardware._is_virtual_media_device(block_device)
self.assertFalse(res)
mocked_exists.assert_called_once_with('/dev/disk/by-label/ir-vfd-dev')
self.assertFalse(mocked_link.called)
@mock.patch.object(utils, 'execute')
def test_erase_block_device_shred_fail_oserror(self, mocked_execute):
mocked_execute.side_effect = OSError
block_device = hardware.BlockDevice('/dev/sda', 'big', 1073741824,
True)
res = self.hardware._shred_block_device(self.node, block_device)
self.assertFalse(res)
mocked_execute.assert_called_once_with(
'shred', '--force', '--zero', '--verbose', '--iterations', '1',
'/dev/sda')
@mock.patch.object(utils, 'execute')
def test_erase_block_device_shred_fail_processerror(self, mocked_execute):
mocked_execute.side_effect = processutils.ProcessExecutionError
block_device = hardware.BlockDevice('/dev/sda', 'big', 1073741824,
True)
res = self.hardware._shred_block_device(self.node, block_device)
self.assertFalse(res)
mocked_execute.assert_called_once_with(
'shred', '--force', '--zero', '--verbose', '--iterations', '1',
'/dev/sda')
@mock.patch.object(utils, 'execute')
def test_erase_block_device_ata_security_enabled(self, mocked_execute):
hdparm_output = HDPARM_INFO_TEMPLATE % {
'supported': '\tsupported',
'enabled': '\tenabled',
'frozen': 'not\tfrozen',
'enhanced_erase': 'not\tsupported: enhanced erase',
}
mocked_execute.side_effect = [
(hdparm_output, '')
]
block_device = hardware.BlockDevice('/dev/sda', 'big', 1073741824,
True)
self.assertRaises(errors.BlockDeviceEraseError,
self.hardware.erase_block_device,
self.node, block_device)
@mock.patch.object(utils, 'execute')
def test_erase_block_device_ata_frozen(self, mocked_execute):
hdparm_output = HDPARM_INFO_TEMPLATE % {
'supported': '\tsupported',
'enabled': 'not\tenabled',
'frozen': '\tfrozen',
'enhanced_erase': 'not\tsupported: enhanced erase',
}
mocked_execute.side_effect = [
(hdparm_output, '')
]
block_device = hardware.BlockDevice('/dev/sda', 'big', 1073741824,
True)
self.assertRaises(errors.BlockDeviceEraseError,
self.hardware.erase_block_device,
self.node, block_device)
@mock.patch.object(utils, 'execute')
def test_erase_block_device_ata_failed(self, mocked_execute):
hdparm_output_before = HDPARM_INFO_TEMPLATE % {
'supported': '\tsupported',
'enabled': 'not\tenabled',
'frozen': 'not\tfrozen',
'enhanced_erase': 'not\tsupported: enhanced erase',
}
# If security mode remains enabled after the erase, it is indiciative
# of a failed erase.
hdparm_output_after = HDPARM_INFO_TEMPLATE % {
'supported': '\tsupported',
'enabled': '\tenabled',
'frozen': 'not\tfrozen',
'enhanced_erase': 'not\tsupported: enhanced erase',
}
mocked_execute.side_effect = [
(hdparm_output_before, ''),
('', ''),
('', ''),
(hdparm_output_after, ''),
]
block_device = hardware.BlockDevice('/dev/sda', 'big', 1073741824,
True)
self.assertRaises(errors.BlockDeviceEraseError,
self.hardware.erase_block_device,
self.node, block_device)
def test_normal_vs_enhanced_security_erase(self):
@mock.patch.object(utils, 'execute')
def test_security_erase_option(test_case,
enhanced_erase_string,
expected_option,
mocked_execute):
hdparm_parameters = {
'supported': '\tsupported',
'enabled': 'not\tenabled',
'frozen': 'not\tfrozen',
'enhanced_erase': enhanced_erase_string,
}
mocked_execute.side_effect = [
(HDPARM_INFO_TEMPLATE % hdparm_parameters, ''),
('', ''),
('', ''),
(HDPARM_INFO_TEMPLATE % hdparm_parameters, ''),
]
block_device = hardware.BlockDevice('/dev/sda', 'big', 1073741824,
True)
test_case.hardware.erase_block_device(self.node, block_device)
mocked_execute.assert_any_call('hdparm', '--user-master', 'u',
expected_option,
'NULL', '/dev/sda')
test_security_erase_option(
self, '\tsupported: enhanced erase', '--security-erase-enhanced')
test_security_erase_option(
self, '\tnot\tsupported: enhanced erase', '--security-erase')
@mock.patch.object(utils, 'execute')
def test_get_bmc_address(self, mocked_execute):
mocked_execute.return_value = '192.1.2.3\n', ''
self.assertEqual('192.1.2.3', self.hardware.get_bmc_address())
@mock.patch.object(utils, 'execute')
def test_get_bmc_address_virt(self, mocked_execute):
mocked_execute.side_effect = processutils.ProcessExecutionError()
self.assertIsNone(self.hardware.get_bmc_address())
class TestModuleFunctions(test_base.BaseTestCase):
@mock.patch.object(hardware, '_get_device_vendor', lambda x: "FooTastic")
@mock.patch.object(hardware.pyudev.Device, "from_device_file")
@mock.patch.object(utils, 'execute', autospec=True)
def test_list_all_block_devices_success(self, mocked_execute,
mocked_fromdevfile):
mocked_fromdevfile.return_value = {}
mocked_execute.return_value = (BLK_DEVICE_TEMPLATE_SMALL, '')
result = hardware.list_all_block_devices()
mocked_execute.assert_called_once_with(
'lsblk', '-Pbdi', '-oKNAME,MODEL,SIZE,ROTA,TYPE',
check_exit_code=[0])
self.assertEqual(BLK_DEVICE_TEMPLATE_SMALL_DEVICES, result)
@mock.patch.object(utils, 'execute', autospec=True)
@mock.patch.object(hardware, '_get_device_vendor', lambda x: "FooTastic")
def test_list_all_block_devices_wrong_block_type(self, mocked_execute):
mocked_execute.return_value = ('TYPE="foo" MODEL="model"', '')
result = hardware.list_all_block_devices()
mocked_execute.assert_called_once_with(
'lsblk', '-Pbdi', '-oKNAME,MODEL,SIZE,ROTA,TYPE',
check_exit_code=[0])
self.assertEqual([], result)
@mock.patch.object(utils, 'execute', autospec=True)
def test_list_all_block_devices_missing(self, mocked_execute):
"""Test for missing values returned from lsblk"""
mocked_execute.return_value = ('TYPE="disk" MODEL="model"', '')
self.assertRaisesRegexp(
errors.BlockDeviceError,
r'^Block device caused unknown error: KNAME, ROTA, SIZE must be '
r'returned by lsblk.$',
hardware.list_all_block_devices)