131 lines
4.2 KiB
Python
131 lines
4.2 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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Requires the following executables:
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* sudo
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* smartctl
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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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* smartstatus.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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* smartstatus.show_names: boolean in the form of "True" or "False" to show the name of the drives in the form of sda, sbd, combined or none at all.
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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.decorators
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import util.cli
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import util.format
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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.show_names = util.format.asbool(self.parameter("show_names", True))
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self.create_widgets()
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def create_widgets(self):
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if self.display == "combined":
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widget = self.add_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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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 = self.add_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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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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if self.show_names:
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widget.full_text("{}: {}".format(device, assessment))
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else:
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widget.full_text("{}".format(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 = {
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"".join(filter(lambda i: i.isdigit() == False, file))
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for file in files
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if "sd" in file
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}
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nvme = {
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file for file in files if ("nvme0n" in file and "p" not in file)
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}
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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(
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"sudo {} --health {}".format(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(
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"sudo {} -A {}".format(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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