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| 2 | daniel-mar | 1 | <?php /* <ViaThinkSoftSignature>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</ViaThinkSoftSignature> */ ?> |
| 2 | <?php |
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| 3 | |||
| 4 | /* |
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| 5 | * VNag - Nagios Framework for PHP |
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| 6 | * Developed by Daniel Marschall, ViaThinkSoft <www.viathinksoft.com> |
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| 7 | * Licensed under the terms of the Apache 2.0 license |
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| 8 | * |
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| 9 | * Revision 2018-07-17 |
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| 10 | */ |
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| 11 | |||
| 12 | declare(ticks=1); |
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| 13 | |||
| 14 | class SmartCheck extends VNag { |
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| 15 | public function __construct() { |
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| 16 | parent::__construct(); |
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| 17 | |||
| 18 | if ($this->is_http_mode()) { |
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| 19 | // Don't allow the standard arguments via $_REQUEST |
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| 20 | $this->registerExpectedStandardArguments(''); |
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| 21 | } else { |
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| 22 | $this->registerExpectedStandardArguments('Vhtv'); |
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| 23 | } |
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| 24 | |||
| 25 | $this->getHelpManager()->setPluginName('vnag_smart'); |
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| 26 | $this->getHelpManager()->setVersion('1.0'); |
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| 27 | $this->getHelpManager()->setShortDescription('This plugin checks the contents of the SMART data and warns when a harddisk has failed.'); |
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| 28 | $this->getHelpManager()->setCopyright('Copyright (C) 2011-$CURYEAR$ Daniel Marschall, ViaThinkSoft.'); |
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| 29 | $this->getHelpManager()->setSyntax('$SCRIPTNAME$ (no additional arguments expected)'); |
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| 30 | $this->getHelpManager()->setFootNotes('If you encounter bugs, please contact ViaThinkSoft at www.viathinksoft.com'); |
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| 31 | } |
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| 32 | |||
| 33 | private function check_smart($dev) { |
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| 34 | if (!`which which`) { |
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| 35 | throw new VNagException("Program 'which' is not installed on your system"); |
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| 36 | } |
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| 37 | |||
| 38 | if (!`which smartctl`) { |
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| 39 | throw new VNagException("Program 'smartctl' (usually included in package smartmontools) is not installed on your system"); |
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| 40 | } |
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| 41 | |||
| 42 | if (!`sudo cat /proc/cpuinfo`) { |
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| 43 | // To make this work, please run "visudo" and add the following line: |
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| 44 | // nagios ALL=NOPASSWD: /usr/sbin/smartctl |
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| 45 | throw new VNagException("You don't have SUDO privileges. Please run 'visudo' and allow the command /usr/sbin/smartctl for user ".get_current_user()."."); |
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| 46 | } |
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| 47 | |||
| 48 | unset($out); |
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| 49 | exec('sudo smartctl --all '.escapeshellarg($dev), $out, $code); |
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| 50 | $cont = implode("\n", $out); |
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| 51 | |||
| 52 | $msg = array(); |
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| 53 | $status = -1; |
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| 54 | |||
| 55 | if (stripos($cont, 'device lacks SMART capability') !== false) { |
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| 56 | // At my system (Debian 9), I get exit code 4 (which is not fully accurate) |
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| 57 | $msg[] = 'Device lacks SMART capability'; |
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| 58 | #$status = VNag::STATUS_UNKNOWN; |
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| 59 | } else if ($code == 0) { |
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| 60 | $status = VNag::STATUS_OK; |
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| 61 | } else { |
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| 62 | if ($code & 1) { |
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| 63 | throw new Exception("smartctl reports 'command line did not parse' (code $code)."); |
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| 64 | } |
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| 65 | if ($code & 2) { |
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| 66 | $msg[] = "Device open failed. It is either completely defective, or in low-power mode."; |
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| 67 | $status = max($status, VNag::STATUS_CRITICAL); |
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| 68 | } |
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| 69 | if ($code & 4) { |
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| 70 | $msg[] = "SMART command failed or checksum is wrong."; |
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| 71 | $status = max($status, VNag::STATUS_WARNING); |
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| 72 | } |
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| 73 | if ($code & 8) { |
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| 74 | $msg[] = "SMART status returns 'DISK FAILING'"; |
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| 75 | $status = max($status, VNag::STATUS_CRITICAL); |
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| 76 | } |
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| 77 | if ($code & 16) { |
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| 78 | $msg[] = "SMART found prefail attributes below threshold"; |
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| 79 | $status = max($status, VNag::STATUS_WARNING); |
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| 80 | } |
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| 81 | if ($code & 32) { |
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| 82 | $msg[] = "SMART status is 'OK' but usage/prefail attributes have been below threshold in the past."; |
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| 83 | $status = max($status, VNag::STATUS_WARNING); |
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| 84 | } |
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| 85 | if ($code & 64) { |
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| 86 | $msg[] = "The device error log contains records of errors."; |
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| 87 | $status = max($status, VNag::STATUS_WARNING); |
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| 88 | } |
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| 89 | if ($code & 128) { |
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| 90 | $msg[] = "The self-test logs contains records of errors."; |
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| 91 | $status = max($status, VNag::STATUS_WARNING); |
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| 92 | } |
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| 93 | } |
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| 94 | |||
| 95 | $messages = implode(", ", $msg); |
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| 96 | if ($messages != '') $messages = ": $messages"; |
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| 97 | |||
| 98 | if ($status == VNag::STATUS_CRITICAL) { |
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| 99 | $this->addVerboseMessage("$dev (Critical)$messages", VNag::VERBOSITY_SUMMARY); |
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| 100 | } else if ($status == VNag::STATUS_WARNING) { |
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| 101 | $this->addVerboseMessage("$dev (Warning)$messages", VNag::VERBOSITY_SUMMARY); |
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| 102 | } else if ($status == VNag::STATUS_OK) { |
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| 103 | $this->addVerboseMessage("$dev (OK)$messages", VNag::VERBOSITY_ADDITIONAL_INFORMATION); |
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| 104 | } else { |
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| 105 | $status = VNag::STATUS_UNKNOWN; |
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| 106 | $this->addVerboseMessage("$dev (Unknown)$messages", VNag::VERBOSITY_SUMMARY); |
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| 107 | } |
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| 108 | $this->setStatus($status); |
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| 109 | return $status; |
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| 110 | } |
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| 111 | |||
| 112 | protected function cbRun() { |
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| 113 | $devices = array(); |
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| 114 | $devices = array_merge($devices, glob('/dev/sd?')); |
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| 115 | $devices = array_merge($devices, glob('/dev/hd?')); |
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| 116 | |||
| 117 | $count_total = 0; |
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| 118 | $count_ok = 0; |
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| 119 | $count_warning = 0; |
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| 120 | $count_critical = 0; |
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| 121 | $count_unknown = 0; |
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| 122 | foreach ($devices as $dev) { |
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| 123 | $count_total++; |
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| 124 | switch ($this->check_smart($dev)) { |
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| 125 | case VNag::STATUS_OK: |
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| 126 | $count_ok++; |
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| 127 | break; |
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| 128 | case VNag::STATUS_WARNING: |
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| 129 | $count_warning++; |
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| 130 | break; |
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| 131 | case VNag::STATUS_CRITICAL: |
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| 132 | $count_critical++; |
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| 133 | break; |
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| 134 | case VNag::STATUS_UNKNOWN: |
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| 135 | $count_unknown++; |
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| 136 | break; |
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| 137 | } |
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| 138 | } |
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| 139 | |||
| 140 | $this->setHeadline(sprintf('Checked %d drives (%d OK, %d warning, %d critical, %d unknown)', $count_total, $count_ok, $count_warning, $count_critical, $count_unknown)); |
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| 141 | } |
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| 142 | } |