[modules] re-enable smartstatus

modules/contrib/smartstatus.py

@@ -0,0 +1,119 @@
+# -*- 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