118 lines
3.9 KiB
Python
118 lines
3.9 KiB
Python
# -*- coding: UTF-8 -*-
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# smart function inspired by py-SMART https://github.com/freenas/py-SMART
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# under Copyright (C) 2015 Marc Herndon and GPL2
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"""Displays HDD smart status of different drives or all drives
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Parameters:
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* smartstatus.display: how to display (defaults to 'combined', other choices: 'seperate' or 'singles')
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* smartstauts.drives: in the case of singles which drives to display, separated comma list value, multiple accepted (defaults to 'sda', example:'sda,sdc')
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"""
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import os
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import shutil
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import core.module
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import core.widget
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import core.decorators
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import util.cli
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class Module(core.module.Module):
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@core.decorators.every(minutes=5)
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def __init__(self, config, theme):
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super().__init__(config, theme, [])
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self.devices = self.list_devices()
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self.display = self.parameter('display', 'combined')
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self.drives = self.parameter('drives', 'sda')
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self.widgets(self.create_widgets())
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def create_widgets(self):
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widgets = []
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if self.display == 'combined':
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widget = core.widget.Widget()
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widget.set('device', 'combined')
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widget.set('assessment', self.combined())
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self.output(widget)
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widgets.append(widget)
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else:
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for device in self.devices:
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if self.display == 'singles' and device not in self.drives:
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continue
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widget = core.widget.Widget()
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widget.set('device', device)
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widget.set('assessment', self.smart(device))
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self.output(widget)
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widgets.append(widget)
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return widgets
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def update(self):
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for widget in self.widgets():
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device = widget.get('device')
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if device == 'combined':
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widget.set('assessment', self.combined())
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self.output(widget)
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else:
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widget.set('assessment', self.smart(device))
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self.output(widget)
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def output(self, widget):
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device = widget.get('device')
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assessment = widget.get('assessment')
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widget.full_text('{}: {}'.format(device, assessment))
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def state(self, widget):
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states = []
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assessment = widget.get('assessment')
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if assessment == 'Pre-fail':
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states.append('warning')
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if assessment == 'Fail':
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states.append('critical')
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return states
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def combined(self):
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for device in self.devices:
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result = self.smart(device)
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if result == 'Fail':
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return 'Fail'
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if result == 'Pre-fail':
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return 'Pre-fail'
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return 'OK'
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def list_devices(self):
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for (root, folders, files) in os.walk('/dev'):
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if root == '/dev':
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devices = {''.join(filter(lambda i: i.isdigit() == False, file)) for file in files if 'sd' in file}
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nvme = {file for file in files if('nvme0n' in file and 'p' not in file)}
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devices.update(nvme)
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return devices
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def smart(self, disk_name):
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smartctl = shutil.which('smartctl')
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assessment = None
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output = util.cli.execute('sudo {} --health {}'.format(
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smartctl, os.path.join('/dev/', disk_name)
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))
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output = output.split('\n')
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line = output[4]
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if 'SMART' in line:
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if any([i in line for i in ['PASSED', 'OK']]):
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assessment = 'OK'
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else:
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assessment = 'Fail'
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if assessment == 'OK':
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output = util.cli.execute('sudo {} -A {}'.format(
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smartctl, os.path.join('/dev/', disk_name)
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))
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output = output.split('\n')
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for line in output:
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if 'Pre-fail' in line:
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assessment = 'Pre-fail'
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return assessment
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# vim: tabstop=8 expandtab shiftwidth=4 softtabstop=4
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