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1 | <?php /* <ViaThinkSoftSignature> |
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| 23 | w== |
23 | Q== |
| 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 2018-07-18 |
32 | * Revision 2022-05-19 |
| 33 | */ |
33 | */ |
| 34 | 34 | ||
| 35 | declare(ticks=1); |
35 | declare(ticks=1); |
| 36 | 36 | ||
| 37 | define('OUTPUT_UOM', 'GB'); |
37 | define('OUTPUT_UOM', 'GB'); |
| Line 53... | Line 53... | ||
| 53 | // When the user writes "-w 10GB" then he actually means "-w 10GB:~" or "-w @~:10GB", so these commands allow this notation: |
53 | // When the user writes "-w 10GB" then he actually means "-w 10GB:~" or "-w @~:10GB", so these commands allow this notation: |
| 54 | $this->warningSingleValueRangeBehaviors[0] = self::SINGLEVALUE_RANGE_VAL_LT_X_BAD; |
54 | $this->warningSingleValueRangeBehaviors[0] = self::SINGLEVALUE_RANGE_VAL_LT_X_BAD; |
| 55 | $this->criticalSingleValueRangeBehaviors[0] = self::SINGLEVALUE_RANGE_VAL_LT_X_BAD; |
55 | $this->criticalSingleValueRangeBehaviors[0] = self::SINGLEVALUE_RANGE_VAL_LT_X_BAD; |
| 56 | } |
56 | } |
| 57 | 57 | ||
| 58 | private function getMemAttr($attrName) { |
58 | protected function cbRun($optional_args=array()) { |
| 59 | $cont = file_get_contents('/proc/meminfo'); |
59 | if (!file_exists($meminfo_file = '/proc/meminfo')) { |
| 60 | preg_match('@^'.preg_quote($attrName,'@').':\s+(\d+)\s+kB$@ismU', $cont, $m); |
60 | throw new VNagException("Cannot find $meminfo_file"); |
| 61 | return $m[1]; |
- | |
| 62 | } |
61 | } |
| 63 | 62 | ||
| - | 63 | $meminfo_attrs = array(); |
|
| 64 | protected function cbRun($optional_args=array()) { |
64 | foreach (file($meminfo_file) as $line) { |
| - | 65 | $line = trim($line); |
|
| 65 | if (!file_exists('/proc/meminfo')) { |
66 | if ($line == '') continue; |
| - | 67 | list($key, $value) = explode(':', $line, 2); |
|
| - | 68 | if ((!strstr($key,'Pages')) && (strtolower(substr($line,-2)) !== 'kb')) { |
|
| 66 | throw new VNagException("Cannot find /proc/meminfo"); |
69 | throw new Exception("meminfo shall contain Kilobytes!"); |
| - | 70 | } |
|
| - | 71 | $meminfo_attrs[$key] = (int)trim(substr($value, 0, strlen($value)-2)); |
|
| - | 72 | } |
|
| - | 73 | ||
| - | 74 | if (!isset($meminfo_attrs['MemAvailable'])) { |
|
| - | 75 | $meminfo_attrs['MemAvailable'] = $meminfo_attrs['MemFree']; |
|
| - | 76 | if (isset($meminfo_attrs['Buffers'])) $meminfo_attrs['MemAvailable'] += $meminfo_attrs['Buffers']; |
|
| - | 77 | if (isset($meminfo_attrs['Cached'])) $meminfo_attrs['MemAvailable'] += $meminfo_attrs['Cached']; |
|
| 67 | } |
78 | } |
| 68 | 79 | ||
| 69 | $totalKB = $this->getMemAttr('MemTotal') + $this->getMemAttr('SwapTotal'); |
80 | $totalKB = $meminfo_attrs['MemTotal'] + $meminfo_attrs['SwapTotal']; |
| 70 | $freeKB = $this->getMemAttr('MemFree') + $this->getMemAttr('SwapFree'); |
81 | $freeKB = $meminfo_attrs['MemAvailable'] + $meminfo_attrs['SwapFree']; |
| 71 | $freePercent = $freeKB/$totalKB*100; |
82 | $freePercent = $freeKB/$totalKB*100; |
| 72 | 83 | ||
| 73 | $this->checkAgainstWarningRange( array($freeKB.'KB', $freePercent.'%'), false, true, 0); |
84 | $this->checkAgainstWarningRange( array($freeKB.'KB', $freePercent.'%'), false, true, 0); |
| 74 | $this->checkAgainstCriticalRange(array($freeKB.'KB', $freePercent.'%'), false, true, 0); |
85 | $this->checkAgainstCriticalRange(array($freeKB.'KB', $freePercent.'%'), false, true, 0); |
| 75 | 86 | ||