def detect_disks(hw_lst):
"""Detect disks."""
names = diskinfo.disknames()
sizes = diskinfo.disksizes(names)
disks = [name for name, size in sizes.items() if size > 0]
hw_lst.append(('disk', 'logical', 'count', str(len(disks))))
for name in disks:
diskinfo.get_disk_info(name, sizes, hw_lst)
# nvme devices do not need standard cache mechanisms
if not name.startswith('nvme'):
diskinfo.get_disk_cache(name, hw_lst)
diskinfo.get_disk_id(name, hw_lst)
# smartctl support
# run only if smartctl command is there
if which("smartctl"):
if name.startswith('nvme'):
sys.stderr.write('Reading SMART for nvme\n')
smart_utils.read_smart_nvme(hw_lst, name)
else:
smart_utils.read_smart(hw_lst, "/dev/%s" % name)
else:
sys.stderr.write("Cannot find smartctl, exiting\n")
def detect_disks(hw_lst):
"""Detect disks."""
names = diskinfo.disknames()
sizes = diskinfo.disksizes(names)
disks = [name for name, size in sizes.items() if size > 0]
hw_lst.append(('disk', 'logical', 'count', str(len(disks))))
for name in disks:
diskinfo.get_disk_info(name, sizes, hw_lst)
# nvme devices do not need standard cache mechanisms
if not name.startswith('nvme'):
diskinfo.get_disk_cache(name, hw_lst)
diskinfo.get_disk_id(name, hw_lst)
# TODO(rpittau): add smart-tools support for nvme devices
if not name.startswith('nvme'):
smart_utils.read_smart(hw_lst, "/dev/%s" % name)
def test_get_disk_info(self, mock_os_path_exists, mock_open):
fake_disk_values = [
'Cyberdyne Systems', 'T1000', '0x00', '0', '512', '0', '1023',
'[none]'
]
mock_open.side_effect = [
mock.mock_open(read_data=fake_value).return_value
for fake_value in fake_disk_values
]
hw = []
sizes = {'fake': 100}
diskinfo.get_disk_info('fake', sizes, hw)
self.assertEqual(hw, [('disk', 'fake', 'size', '100'),
('disk', 'fake', 'vendor', 'Cyberdyne Systems'),
('disk', 'fake', 'model', 'T1000'),
('disk', 'fake', 'rev', '0x00'),
('disk', 'fake', 'optimal_io_size', '0'),
('disk', 'fake', 'physical_block_size', '512'),
('disk', 'fake', 'rotational', '0'),
('disk', 'fake', 'nr_requests', '1023'),
('disk', 'fake', 'scheduler', 'none')])