bumblebee-status/modules/contrib/smartstatus.py

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2020-04-26 10:01:51 +02:00
# -*- coding: UTF-8 -*-
# smart function inspired by py-SMART https://github.com/freenas/py-SMART
# under Copyright (C) 2015 Marc Herndon and GPL2
"""Displays HDD smart status of different drives or all drives
Parameters:
* smartstatus.display: how to display (defaults to "combined", other choices: "seperate" or "singles")
* smartstauts.drives: in the case of singles which drives to display, separated comma list value, multiple accepted (defaults to "sda", example:"sda,sdc")
"""
import os
import bumblebee.util
import bumblebee.output
import bumblebee.engine
from shutil import which
from subprocess import Popen, PIPE
class Module(bumblebee.engine.Module):
def __init__(self, engine, config):
super(Module, self).__init__(engine, config, None)
self.devices = self.list_devices()
self.display = self.parameter('display', 'combined')
self.drives = self.parameter('drives', 'sda')
self.widgets(self.create_widgets())
def create_widgets(self):
widgets = []
if self.display == 'combined':
widget = bumblebee.output.Widget()
widget.set('device', 'combined')
widget.set('assessment', self.combined())
self.output(widget)
widgets.append(widget)
else:
for device in self.devices:
if self.display == "singles" and device not in self.drives:
continue
widget = bumblebee.output.Widget()
widget.set('device', device)
widget.set('assessment', self.smart(device))
self.output(widget)
widgets.append(widget)
return widgets
def update(self, widgets):
for widget in widgets:
device = widget.get('device')
if device == 'combined':
widget.set('assessment', self.combined())
self.output(widget)
else:
widget.set('assessment', self.smart(device))
self.output(widget)
def output(self, widget):
device = widget.get('device')
assessment = widget.get('assessment')
widget.full_text("{}: {}".format(device, assessment))
def state(self, widget):
states = []
assessment = widget.get('assessment')
if assessment == 'Pre-fail':
states.append('warning')
if assessment == 'Fail':
states.append('critical')
return states
def combined(self):
for device in self.devices:
result = self.smart(device)
if result == 'Fail':
return 'Fail'
if result == 'Pre-fail':
return 'Pre-fail'
return 'OK'
def list_devices(self):
for (root, folders, files) in os.walk('/dev'):
if root == '/dev':
devices = {"".join(filter(lambda i: i.isdigit() == False, file)) for file in files if 'sd' in file}
nvme = {file for file in files if('nvme0n' in file and 'p' not in file)}
devices.update(nvme)
return devices
def smart(self, disk_name):
SMARTCTL_PATH = which('smartctl')
assessment = None
cmd = Popen(
['sudo', SMARTCTL_PATH, '--health', os.path.join('/dev/', disk_name)],
stdout=PIPE,
stderr=PIPE,
)
_stdout, _stderr = [i.decode('utf8') for i in cmd.communicate()]
_stdout = _stdout.split('\n')
line = _stdout[4]
if 'SMART' in line:
if any([i in line for i in ['PASSED', 'OK']]):
assessment = 'OK'
else:
assessment = 'Fail'
if assessment == 'OK':
cmd = Popen(
['sudo', SMARTCTL_PATH, '-A', os.path.join('/dev/', disk_name)],
stdout=PIPE,
stderr=PIPE,
)
_stdout, _stderr = [i.decode('utf8') for i in cmd.communicate()]
_stdout = _stdout.split('\n')
for line in _stdout:
if "Pre-fail" in line:
assessment = "Pre-fail"
return assessment