def get_overall_health(self):
"""
DOCSTRING : this function is to get the overall_health of all disks
Args : ---
Returns : a dictionary has all disks names as a key , and the value of each disk overall_health ...
{ disk1 : overall_health1 , disk2 : overall_health2 , ...}
"""
__overall_health = {}
try:
# Get all Disks :
# ===============
all_disk_names = self.get_disk_list()
# Loop on all disks to get SMART overall-health for each one :
# ============================================================
for disk_name in all_disk_names:
output, err = exec_command(
"smartctl -H /dev/{}".format(disk_name))
# Getting one of the words : PASSED , FAILED , UNKNOWN
health_result = re.findall(
r"(?<=SMART overall-health self-assessment test result: )(\w+)",
output)
if not health_result:
health_result = re.findall(
r"(?<=SMART Health Status: )(\w+)", output)
if not health_result:
continue
# Checks on health_result :
if ('FAILED' in health_result[0]) or ('NOT'
in health_result[0]):
health_result[0] = 'Failed'
elif ('PASSED' in health_result[0]) or ('OK'
in health_result[0]):
health_result[0] = 'Passed'
elif 'UNKNOWN' in health_result[0]:
health_result[0] = 'Unknown'
__overall_health[disk_name] = health_result[0]
except:
pass
return __overall_health
def get_disk_list(self):
"""
DOCSTRING : this function is to get a list of all disks located in a node
Args : ---
Returns : list of all disks located in a node
"""
output, err = exec_command("smartctl --scan")
disk_names = []
for line in output.splitlines():
disk_name = line[line.find('/dev/') +
len('/dev/'):line.rfind(' -d')]
disk_names.append(disk_name)
return disk_names
def get_disk_list(self):
file_path = ConfigAPI().get_manage_node_disk_script()
cmd = "python {} disk-list -pid 1".format(file_path)
out, err = exec_command(cmd)
data = json.loads(out)
return data
def get_attributes(self):
"""
DOCSTRING : this function is to get some smart attributes of all disks
Args : ---
Returns : a dictionary has all disks names as a key , and the value of each key will be represented as
dictionary of smart attributes names as a key and each attribute raw value as a value ...
{ disk1 : {attr1:val1 , attr2:val2 , attr3:val3} , disk2 : {attr1:val1 , attr2:val2 , attr3:val3} , ...}
"""
__smart_attributes = {}
try:
# Get all Disks :
# ===============
all_disk_names = self.get_disk_list()
# Loop on all disks to get SMART attributes for each one :
# ========================================================
metric_values = {}
for disk_name in all_disk_names:
output, err = exec_command(
"smartctl -A /dev/{}".format(disk_name))
for line in output.splitlines():
if "Pre-fail" in line or "Old_age" in line:
fields = line.split()
# Get RAW_VALUE of : Reallocated_Sector_Ct --> ID = 5 :
# -----------------------------------------------------
if fields[0] == "5":
if fields[9].isdigit():
metric_values['reallocated_sector_ct'] = int(
fields[9])
else:
metric_values['reallocated_sector_ct'] = int(
re.search(r'\d+', fields[9]).group())
# Get RAW_VALUE of : Power_On_Hours --> ID = 9 :
# ----------------------------------------------
elif fields[0] == "9":
if fields[9].isdigit():
metric_values['power_on_hours'] = int(
fields[9])
else:
metric_values['power_on_hours'] = int(
re.search(r'\d+', fields[9]).group())
# Get RAW_VALUE of : Temperature_Celsius --> ID = 194 :
# -----------------------------------------------------
elif fields[0] == "194":
if fields[9].isdigit():
metric_values['temperature_celsius'] = int(
fields[9])
else:
metric_values['temperature_celsius'] = int(
re.search(r'\d+', fields[9]).group())
__smart_attributes[disk_name] = metric_values
metric_values = {}
except:
pass
return __smart_attributes