WebSVN – vnag – Diff – /trunk/plugins/smart/SmartCheck.class.php

 <?php /* <ViaThinkSoftSignature>
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 </ViaThinkSoftSignature> */ ?>
 <?php
 /*
  * VNag - Nagios Framework for PHP
  * Developed by Daniel Marschall, ViaThinkSoft <www.viathinksoft.com>
  * Licensed under the terms of the Apache 2.0 license
+ *
- * Revision 2021-05-13
+ * Revision 2022-05-11
  */
 declare(ticks=1);
 class SmartCheck extends VNag {
+        protected $argType = null;
         public function __construct() {
                 parent::__construct();
                 if ($this->is_http_mode()) {
                         // Don't allow the standard arguments via $_REQUEST
                         $this->registerExpectedStandardArguments('');
                 } else {
                         $this->registerExpectedStandardArguments('Vhtv');
+                }
                 $this->getHelpManager()->setPluginName('vnag_smart');
                 $this->getHelpManager()->setVersion('1.0');
                 $this->getHelpManager()->setShortDescription('This plugin checks the contents of the SMART data and warns when a harddisk has failed.');
                 $this->getHelpManager()->setCopyright('Copyright (C) 2011-$CURYEAR$ Daniel Marschall, ViaThinkSoft.');
-                $this->getHelpManager()->setSyntax('$SCRIPTNAME$ (no additional arguments expected)');
+                $this->getHelpManager()->setSyntax('$SCRIPTNAME$ [-T <type>]');
                 $this->getHelpManager()->setFootNotes('If you encounter bugs, please contact ViaThinkSoft at www.viathinksoft.com');
+                // TODO: also add a command to check a single drive   [ -d /dev/sda,/dev/sdb ]
+                // Individual (non-standard) arguments:
+                $this->addExpectedArgument($this->argType = new VNagArgument('T', 'type', VNagArgument::VALUE_REQUIRED, 'type', 'e.g. for RAID devices "sat+cciss,0" for drive 0.'));
+        }
         private function check_smart($dev) {
                 if (!`which which`) {
                         throw new VNagException("Program 'which' is not installed on your system");
+                }
                 if (!`which smartctl`) {
                         throw new VNagException("Program 'smartctl' (usually included in package smartmontools) is not installed on your system");
+                }
                 if (!`sudo cat /proc/cpuinfo`) {
                         // To make this work, please run "visudo" and add the following line:
                         // nagios ALL=NOPASSWD: /usr/sbin/smartctl
                         throw new VNagException("You don't have SUDO privileges. Please run 'visudo' and allow the command /usr/sbin/smartctl for user ".get_current_user().".");
+                }
                 $code = 0;
                 $out = array();
+                if ($this->argType->getValue() != '') {
+                        exec('sudo smartctl --all '.escapeshellarg($dev).' -d '.escapeshellarg($this->argType->getValue()), $out, $code);
+                } else {
-                exec('sudo smartctl --all '.escapeshellarg($dev), $out, $code);
+                        exec('sudo smartctl --all '.escapeshellarg($dev), $out, $code);
+                }
                 $cont = implode("\n", $out);
                 $msg = array();
                 $status = -1;
                 if (stripos($cont, 'device lacks SMART capability') !== false)  {
                         // At my system (Debian 9), I get exit code 4 (which is not fully accurate)
                         $msg[] = 'Device lacks SMART capability';
                         #$status = VNag::STATUS_UNKNOWN;
                 } else if ($code == 0) {
                         $status = VNag::STATUS_OK;
                 } else {
                         if ($code & 1) {
                                 throw new Exception("smartctl reports 'command line did not parse' (code $code).");
+                        }
                         if ($code & 2) {
                                 $msg[] = "Device open failed. It is either completely defective, or in low-power mode.";
                                 $status = max($status, VNag::STATUS_CRITICAL);
+                        }
                         if ($code & 4) {
                                 $msg[] = "SMART command failed or checksum is wrong.";
                                 $status = max($status, VNag::STATUS_WARNING);
+                        }
                         if ($code & 8) {
                                 $msg[] = "SMART status returns 'DISK FAILING'";
                                 $status = max($status, VNag::STATUS_CRITICAL);
+                        }
                         if ($code & 16) {
                                 $msg[] = "SMART found prefail attributes below threshold";
                                 $status = max($status, VNag::STATUS_WARNING);
+                        }
                         if ($code & 32) {
                                 $msg[] = "SMART status is 'OK' but usage/prefail attributes have been below threshold in the past.";
                                 $status = max($status, VNag::STATUS_WARNING);
+                        }
                         if ($code & 64) {
                                 $msg[] = "The device error log contains records of errors.";
                                 $status = max($status, VNag::STATUS_WARNING);
+                        }
                         if ($code & 128) {
                                 $msg[] = "The self-test logs contains records of errors.";
                                 $status = max($status, VNag::STATUS_WARNING);
+                        }
+                }
                 $messages = implode(", ", $msg);
                 if ($messages != '') $messages = ": $messages";
                 if ($status == VNag::STATUS_CRITICAL) {
                         $this->addVerboseMessage("$dev (Critical)$messages", VNag::VERBOSITY_SUMMARY);
                 } else if ($status == VNag::STATUS_WARNING) {
                         $this->addVerboseMessage("$dev (Warning)$messages", VNag::VERBOSITY_SUMMARY);
                 } else if ($status == VNag::STATUS_OK) {
                         $this->addVerboseMessage("$dev (OK)$messages", VNag::VERBOSITY_ADDITIONAL_INFORMATION);
                 } else {
                         $status = VNag::STATUS_UNKNOWN;
                         $this->addVerboseMessage("$dev (Unknown)$messages", VNag::VERBOSITY_SUMMARY);
+                }
                 $this->setStatus($status);
                 return $status;
+        }
         protected function cbRun() {
                 $devices = array();
                 $devices = array_merge($devices, glob('/dev/sd?'));
                 $devices = array_merge($devices, glob('/dev/hd?'));
+                if (count($devices) == 0) {
+                        throw new Exception("No SDx or HDx drives found");
+                }
+                if (strpos($this->argType->getValue(),'cciss') !== false) {
+                        $devices = array($devices[0]); // we just need a "fake" drive; the drive number is given as parameter to cciss
+                }
                 $count_total = 0;
                 $count_ok = 0;
                 $count_warning = 0;
                 $count_critical = 0;
                 $count_unknown = 0;
                 foreach ($devices as $dev) {
                         $count_total++;
                         switch ($this->check_smart($dev)) {
                                 case VNag::STATUS_OK:
                                         $count_ok++;
                                         break;
                                 case VNag::STATUS_WARNING:
                                         $count_warning++;
                                         break;
                                 case VNag::STATUS_CRITICAL:
                                         $count_critical++;
                                         break;
                                 case VNag::STATUS_UNKNOWN:
                                         $count_unknown++;
                                         break;
+                        }
+                }
                 $this->setHeadline(sprintf('Checked %d drives (%d OK, %d warning, %d critical, %d unknown)', $count_total, $count_ok, $count_warning, $count_critical, $count_unknown));
+        }
+}

Subversion Repositories vnag

vnag/trunk/plugins/smart/SmartCheck.class.php – Rev 28 → 49