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


<?php /* <ViaThinkSoftSignature>
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w==
</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 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$ [-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', 'Explicit drive 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");
                }
 
                $code = 0;
                $out = array();
 
 
                if ($this->argType->getValue() != '') {
                        // Note: Requires root
                        exec('smartctl --all '.escapeshellarg($dev).' -d '.escapeshellarg($this->argType->getValue()), $out, $code);
                } else {
                        // Note: Requires root
                        exec('smartctl --all '.escapeshellarg($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));
        }
}
 

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23	g==	23	w==
24	</ViaThinkSoftSignature> */ ?>	24	</ViaThinkSoftSignature> */ ?>
25	<?php	25	<?php
26		26
27	/*	27	/*
28	* VNag - Nagios Framework for PHP	28	* VNag - Nagios Framework for PHP
29	* Developed by Daniel Marschall, ViaThinkSoft <www.viathinksoft.com>	29	* Developed by Daniel Marschall, ViaThinkSoft <www.viathinksoft.com>
30	* Licensed under the terms of the Apache 2.0 license	30	* Licensed under the terms of the Apache 2.0 license
31	*	31	*
32	* Revision 2022-05-11	32	* Revision 2022-05-11
33	*/	33	*/
34		34
35	declare(ticks=1);	35	declare(ticks=1);
36		36
37	class SmartCheck extends VNag {	37	class SmartCheck extends VNag {
38	protected $argType = null;	38	protected $argType = null;
39		39
40	public function __construct() {	40	public function __construct() {
41	parent::__construct();	41	parent::__construct();
42		42
43	if ($this->is_http_mode()) {	43	if ($this->is_http_mode()) {
44	// Don't allow the standard arguments via $_REQUEST	44	// Don't allow the standard arguments via $_REQUEST
45	$this->registerExpectedStandardArguments('');	45	$this->registerExpectedStandardArguments('');
46	} else {	46	} else {
47	$this->registerExpectedStandardArguments('Vhtv');	47	$this->registerExpectedStandardArguments('Vhtv');
48	}	48	}
49		49
50	$this->getHelpManager()->setPluginName('vnag_smart');	50	$this->getHelpManager()->setPluginName('vnag_smart');
51	$this->getHelpManager()->setVersion('1.0');	51	$this->getHelpManager()->setVersion('1.0');
52	$this->getHelpManager()->setShortDescription('This plugin checks the contents of the SMART data and warns when a harddisk has failed.');	52	$this->getHelpManager()->setShortDescription('This plugin checks the contents of the SMART data and warns when a harddisk has failed.');
53	$this->getHelpManager()->setCopyright('Copyright (C) 2011-$CURYEAR$ Daniel Marschall, ViaThinkSoft.');	53	$this->getHelpManager()->setCopyright('Copyright (C) 2011-$CURYEAR$ Daniel Marschall, ViaThinkSoft.');
54	$this->getHelpManager()->setSyntax('$SCRIPTNAME$ [-T <type>]');	54	$this->getHelpManager()->setSyntax('$SCRIPTNAME$ [-T <type>]');
55	$this->getHelpManager()->setFootNotes('If you encounter bugs, please contact ViaThinkSoft at www.viathinksoft.com');	55	$this->getHelpManager()->setFootNotes('If you encounter bugs, please contact ViaThinkSoft at www.viathinksoft.com');
56		56
57	// TODO: also add a command to check a single drive [ -d /dev/sda,/dev/sdb ]	57	// TODO: also add a command to check a single drive [ -d /dev/sda,/dev/sdb ]
58	// Individual (non-standard) arguments:	58	// Individual (non-standard) arguments:
59	$this->addExpectedArgument($this->argType = new VNagArgument('T', 'type', VNagArgument::VALUE_REQUIRED, 'type', 'Explicit drive type e.g. for RAID devices "sat+cciss,0" for drive 0.'));	59	$this->addExpectedArgument($this->argType = new VNagArgument('T', 'type', VNagArgument::VALUE_REQUIRED, 'type', 'Explicit drive type e.g. for RAID devices "sat+cciss,0" for drive 0.'));
60	}	60	}
61		61
62	private function check_smart($dev) {	62	private function check_smart($dev) {
63	if (!`which which`) {	63	if (!`which which`) {
64	throw new VNagException("Program 'which' is not installed on your system");	64	throw new VNagException("Program 'which' is not installed on your system");
65	}	65	}
66		66
67	if (!`which smartctl`) {	67	if (!`which smartctl`) {
68	throw new VNagException("Program 'smartctl' (usually included in package smartmontools) is not installed on your system");	68	throw new VNagException("Program 'smartctl' (usually included in package smartmontools) is not installed on your system");
69	}	69	}
70		70
71	$code = 0;	71	$code = 0;
72	$out = array();	72	$out = array();
73		73
74	// TODO: For some reason, it does not work if "sudo" is added to the command section in icinga2.conf!	-
75	if ($this->argType->getValue() != '') {	74	if ($this->argType->getValue() != '') {
-		75	// Note: Requires root
76	exec('sudo smartctl --all '.escapeshellarg($dev).' -d '.escapeshellarg($this->argType->getValue()), $out, $code);	76	exec('smartctl --all '.escapeshellarg($dev).' -d '.escapeshellarg($this->argType->getValue()), $out, $code);
77	} else {	77	} else {
-		78	// Note: Requires root
78	exec('sudo smartctl --all '.escapeshellarg($dev), $out, $code);	79	exec('smartctl --all '.escapeshellarg($dev), $out, $code);
79	}	80	}
80	$cont = implode("\n", $out);	81	$cont = implode("\n", $out);
81		82
82	$msg = array();	83	$msg = array();
83	$status = -1;	84	$status = -1;
84		85
85	if (stripos($cont, 'device lacks SMART capability') !== false) {	86	if (stripos($cont, 'device lacks SMART capability') !== false) {
86	// At my system (Debian 9), I get exit code 4 (which is not fully accurate)	87	// At my system (Debian 9), I get exit code 4 (which is not fully accurate)
87	$msg[] = 'Device lacks SMART capability';	88	$msg[] = 'Device lacks SMART capability';
88	#$status = VNag::STATUS_UNKNOWN;	89	#$status = VNag::STATUS_UNKNOWN;
89	} else if ($code == 0) {	90	} else if ($code == 0) {
90	$status = VNag::STATUS_OK;	91	$status = VNag::STATUS_OK;
91	} else {	92	} else {
92	if ($code & 1) {	93	if ($code & 1) {
93	throw new Exception("smartctl reports 'command line did not parse' (code $code).");	94	throw new Exception("smartctl reports 'command line did not parse' (code $code).");
94	}	95	}
95	if ($code & 2) {	96	if ($code & 2) {
96	$msg[] = "Device open failed. It is either completely defective, or in low-power mode.";	97	$msg[] = "Device open failed. It is either completely defective, or in low-power mode.";
97	$status = max($status, VNag::STATUS_CRITICAL);	98	$status = max($status, VNag::STATUS_CRITICAL);
98	}	99	}
99	if ($code & 4) {	100	if ($code & 4) {
100	$msg[] = "SMART command failed or checksum is wrong.";	101	$msg[] = "SMART command failed or checksum is wrong.";
101	$status = max($status, VNag::STATUS_WARNING);	102	$status = max($status, VNag::STATUS_WARNING);
102	}	103	}
103	if ($code & 8) {	104	if ($code & 8) {
104	$msg[] = "SMART status returns 'DISK FAILING'";	105	$msg[] = "SMART status returns 'DISK FAILING'";
105	$status = max($status, VNag::STATUS_CRITICAL);	106	$status = max($status, VNag::STATUS_CRITICAL);
106	}	107	}
107	if ($code & 16) {	108	if ($code & 16) {
108	$msg[] = "SMART found prefail attributes below threshold";	109	$msg[] = "SMART found prefail attributes below threshold";
109	$status = max($status, VNag::STATUS_WARNING);	110	$status = max($status, VNag::STATUS_WARNING);
110	}	111	}
111	if ($code & 32) {	112	if ($code & 32) {
112	$msg[] = "SMART status is 'OK' but usage/prefail attributes have been below threshold in the past.";	113	$msg[] = "SMART status is 'OK' but usage/prefail attributes have been below threshold in the past.";
113	$status = max($status, VNag::STATUS_WARNING);	114	$status = max($status, VNag::STATUS_WARNING);
114	}	115	}
115	if ($code & 64) {	116	if ($code & 64) {
116	$msg[] = "The device error log contains records of errors.";	117	$msg[] = "The device error log contains records of errors.";
117	$status = max($status, VNag::STATUS_WARNING);	118	$status = max($status, VNag::STATUS_WARNING);
118	}	119	}
119	if ($code & 128) {	120	if ($code & 128) {
120	$msg[] = "The self-test logs contains records of errors.";	121	$msg[] = "The self-test logs contains records of errors.";
121	$status = max($status, VNag::STATUS_WARNING);	122	$status = max($status, VNag::STATUS_WARNING);
122	}	123	}
123	}	124	}
124		125
125	$messages = implode(", ", $msg);	126	$messages = implode(", ", $msg);
126	if ($messages != '') $messages = ": $messages";	127	if ($messages != '') $messages = ": $messages";
127		128
128	if ($status == VNag::STATUS_CRITICAL) {	129	if ($status == VNag::STATUS_CRITICAL) {
129	$this->addVerboseMessage("$dev (Critical)$messages", VNag::VERBOSITY_SUMMARY);	130	$this->addVerboseMessage("$dev (Critical)$messages", VNag::VERBOSITY_SUMMARY);
130	} else if ($status == VNag::STATUS_WARNING) {	131	} else if ($status == VNag::STATUS_WARNING) {
131	$this->addVerboseMessage("$dev (Warning)$messages", VNag::VERBOSITY_SUMMARY);	132	$this->addVerboseMessage("$dev (Warning)$messages", VNag::VERBOSITY_SUMMARY);
132	} else if ($status == VNag::STATUS_OK) {	133	} else if ($status == VNag::STATUS_OK) {
133	$this->addVerboseMessage("$dev (OK)$messages", VNag::VERBOSITY_ADDITIONAL_INFORMATION);	134	$this->addVerboseMessage("$dev (OK)$messages", VNag::VERBOSITY_ADDITIONAL_INFORMATION);
134	} else {	135	} else {
135	$status = VNag::STATUS_UNKNOWN;	136	$status = VNag::STATUS_UNKNOWN;
136	$this->addVerboseMessage("$dev (Unknown)$messages", VNag::VERBOSITY_SUMMARY);	137	$this->addVerboseMessage("$dev (Unknown)$messages", VNag::VERBOSITY_SUMMARY);
137	}	138	}
138	$this->setStatus($status);	139	$this->setStatus($status);
139	return $status;	140	return $status;
140	}	141	}
141		142
142	protected function cbRun() {	143	protected function cbRun() {
143	$devices = array();	144	$devices = array();
144	$devices = array_merge($devices, glob('/dev/sd?'));	145	$devices = array_merge($devices, glob('/dev/sd?'));
145	$devices = array_merge($devices, glob('/dev/hd?'));	146	$devices = array_merge($devices, glob('/dev/hd?'));
146		147
147	if (count($devices) == 0) {	148	if (count($devices) == 0) {
148	throw new Exception("No SDx or HDx drives found");	149	throw new Exception("No SDx or HDx drives found");
149	}	150	}
150		151
151	if (strpos($this->argType->getValue(),'cciss') !== false) {	152	if (strpos($this->argType->getValue(),'cciss') !== false) {
152	$devices = array($devices[0]); // we just need a "fake" drive; the drive number is given as parameter to cciss	153	$devices = array($devices[0]); // we just need a "fake" drive; the drive number is given as parameter to cciss
153	}	154	}
154		155
155	$count_total = 0;	156	$count_total = 0;
156	$count_ok = 0;	157	$count_ok = 0;
157	$count_warning = 0;	158	$count_warning = 0;
158	$count_critical = 0;	159	$count_critical = 0;
159	$count_unknown = 0;	160	$count_unknown = 0;
160	foreach ($devices as $dev) {	161	foreach ($devices as $dev) {
161	$count_total++;	162	$count_total++;
162	switch ($this->check_smart($dev)) {	163	switch ($this->check_smart($dev)) {
163	case VNag::STATUS_OK:	164	case VNag::STATUS_OK:
164	$count_ok++;	165	$count_ok++;
165	break;	166	break;
166	case VNag::STATUS_WARNING:	167	case VNag::STATUS_WARNING:
167	$count_warning++;	168	$count_warning++;
168	break;	169	break;
169	case VNag::STATUS_CRITICAL:	170	case VNag::STATUS_CRITICAL:
170	$count_critical++;	171	$count_critical++;
171	break;	172	break;
172	case VNag::STATUS_UNKNOWN:	173	case VNag::STATUS_UNKNOWN:
173	$count_unknown++;	174	$count_unknown++;
174	break;	175	break;
175	}	176	}
176	}	177	}
177		178
178	$this->setHeadline(sprintf('Checked %d drives (%d OK, %d warning, %d critical, %d unknown)', $count_total, $count_ok, $count_warning, $count_critical, $count_unknown));	179	$this->setHeadline(sprintf('Checked %d drives (%d OK, %d warning, %d critical, %d unknown)', $count_total, $count_ok, $count_warning, $count_critical, $count_unknown));
179	}	180	}
180	}	181	}
181		182

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vnag/trunk/plugins/smart/SmartCheck.class.php – Rev 52 → 53