def perform_hw_diagnostics(ship=False): # noqa: C901
log.info('Running periodic hardware diagnostics')
diagnostics = {}
now = datetime.datetime.utcnow()
diagnostics['last_updated'] = now.strftime("%H:%M UTC %d %b %Y")
get_ethernet_addresses(diagnostics)
get_environment_var(diagnostics)
get_serial_number(diagnostics)
detect_ecc(diagnostics)
public_keys = get_public_keys_and_ignore_errors()
diagnostics['LOR'] = lora_module_test()
diagnostics['OK'] = public_keys['key']
diagnostics['PK'] = public_keys['key']
diagnostics['AN'] = public_keys['name']
# Fetch data from miner container.
try:
diagnostics = fetch_miner_data(diagnostics)
except MinerFailedFetchData as e:
log.exception(e)
except Exception as e:
log.exception(e)
# Get the blockchain height from the Helium API
value = None
try:
value = get_helium_blockchain_height()
except KeyError as e:
logging.warning(e)
except (ConnectTimeout, ReadTimeout):
err_str = ("Request to Helium API timed out."
" Will fallback to block height of 1.")
logging.exception(err_str)
diagnostics['BCH'] = value
# Check if the miner height
# is within 500 blocks and if so say it's synced
if diagnostics['BCH'] is None or diagnostics['MH'] is None:
diagnostics['MS'] = False
elif int(diagnostics['MH']) > (int(diagnostics['BCH']) - 500):
diagnostics['MS'] = True
else:
diagnostics['MS'] = False
# Calculate a percentage for block sync
if diagnostics['BCH'] is None or diagnostics['MH'] is None:
diagnostics['BSP'] = None
else:
diag_mh = int(diagnostics['MH'])
diag_bch = int(diagnostics['BCH'])
diagnostics['BSP'] = round(diag_mh / diag_bch * 100, 3)
set_diagnostics_bt_lte(diagnostics)
# Check if the region has been set
try:
with open("/var/pktfwd/region", 'r') as data:
region = data.read()
if len(region) > 3:
log.info("Frequency: " + str(region))
diagnostics['RE'] = str(region).rstrip('\n')
except FileNotFoundError:
# No region found, put a dummy region in
diagnostics['RE'] = "UN123"
# Check the basics if they're fine and set an overall value
# Basics are: ECC valid, Mac addresses aren't FF, BT Is present,
# and LoRa hasn't failed
if (
diagnostics["ECC"] is True
and diagnostics["E0"] is not None
and diagnostics["W0"] is not None
and diagnostics["BT"] is True and diagnostics["LOR"] is True
):
diagnostics["PF"] = True
else:
diagnostics["PF"] = False
# Add variant variables into diagnostics
# These are variables from the hardware definitions file
try:
variant_variables = variant_definitions[diagnostics['VA']]
diagnostics.update(variant_variables)
except KeyError:
pass
with open('diagnostic_data.json', 'w') as f:
json.dump(diagnostics, f)
upload_diagnostics(diagnostics, ship)
log.info('Diagnostics complete')
def test_available_file(self):
with patch("builtins.open", mock_open(read_data=self.TEST_DATA)) as mf:
fh_mock = mf.return_value.__enter__.return_value
fh_mock.write.side_effect = FileNotFoundError
get_serial_number(self.diag)
self.assertRaises(FileNotFoundError)
def test_permissions_error(self):
with patch("builtins.open", mock_open(read_data=self.TEST_DATA)) as mf:
fh_mock = mf.return_value.__enter__.return_value
fh_mock.write.side_effect = PermissionError
get_serial_number(self.diag)
self.assertRaises(PermissionError)
def test_strip_serialnumber(self):
m = mock_open(read_data="%s\x00" % self.TEST_DATA)
with patch('builtins.open', m):
get_serial_number(self.diag)
self.assertEqual(self.diag["serial_number"],
self.right_value["serial_number"])