Subversion Repositories vnag

Rev

Go to most recent revision | Details | Last modification | View Log | RSS feed

Rev Author Line No. Line
52 daniel-mar 1 
<?php /* <ViaThinkSoftSignature>
2 
XWco4Mm3VUQ05meRqXThUvcQghmYl9HrK3nXhjgzTIBDPuVi1WSTixqUVnhfoOrEw
3 
aub01DrcC3Whb4UV436HDtzdusCfXzO2twiV6Ll9Jyym6Ue4PSG5CIKlc5izAawDw
4 
ZCO4j/r6P3jubB9XUuBPZ3v4nbPGf+vQpwsRaYTQyV3wFzn+A4ytI4EtK8+1WNYAA
5 
aa7uygPUeX6nQ8UDU0GwqgNgvYuG3uwB/oKWOUX+u7hSKmRO6qT7GnMlHypb/iMlM
6 
iNJdAacqZsge0/A5ht+Vpa9JJyJ9HeTW3tBHh7U5pwBvm2L3Pt3BexOP/YXOysKVL
7 
SiKMHpa/Ub1HpdipbBQvsO7nA9HmxjKApTm9lklZpP1vKccceEb9+s/RxqZsi5CR8
8 
PQoO/zCebrPi8AlohDc4BF6uc6CDXuGLS/gLACnoA7a/Zl60IxjoxUqjznuk7lVSR
9 
wSAhSrRbihpmp7vMM/PIK5xbbMFEOJa+AYlfY480bXYHJiboqrNfRmcanWhN+fcli
10 
WneZ9gFSiHWM/2r3Xiq5PR4cQ2LUiT7jxIyEeKynyf+LQ9OJ+z8cC9Qa9/98KpHaV
11 
yFOaI2yRKabyvFSsbSJuP6rorjxAv2YeKGAkOHVt596qQYZzkOfAg/1GEi2+OfaB8
12 
Gv1d+FaHAEAodi1z/MiuWH+SgJM7QjeiQSaSs+cm+zlWxlRQM4UhPjdckg1Ua/vYY
13 
UJV5iwPKc/800ieC2b1xWqPrFs31N4oeBVf52VYSmTtj8NspePbjx6Fd77aI2ik2e
14 
KfgiE3Vb+5naPgEwPRi5yHLxD5DmcLwQTD5wraUWbB63GtFMRJr+tY5NqE4Id1Okt
15 
fJqwX6w//viS8dCRUGAGj7zpKcMah4SYGxvWwTFutKcmU9kKdUXzQsJjarpPXgqid
16 
WwXwt0olEe+6Z+Lw1dMAKm8msIZrRNbDvhii88AwIFGN5I62epg2012+G0sMg/dgU
17 
lJwt2sRD1IQQfePvdF1CeCfJINnXKtK5EDArDv1p4M7jKlTkMS1dk4kmtJKZoy1Ge
18 
G19Ie3+UiNskQoz3v2+4MBcIjtnzdMBa3SzhhVI2IIbsTShin68Nb742jem6vzVNk
19 
KJtsWZylRPhI+Nw26Hnb/Fvnr9WB+fiJYih1J9ANS733E8I18xmzUjIxFt4UaeuL1
20 
3XVpjZjToGPHyaXvmIgnoky8e7UMfmE2pb2I6VI8lqaDjN3RZrg0aGhpNLeQ9DvSw
21 
msuIjyhTE7MiTjasbSZ47NOINf/OjZANlAK+Mn1Xm2kQZtsLSzfVeag2GUpqIbv3c
22 
acyHtjO4RjccrZJscrNtYftqujahtf2N9oOozGii8aNSdW7qxnN9F7SOsBxAEOLCf
23 
w==
24 
</ViaThinkSoftSignature> */ ?>
25 
<?php
26 
 
27 
/*
28 
 * VNag - Nagios Framework for PHP
29 
 * Developed by Daniel Marschall, ViaThinkSoft <www.viathinksoft.com>
30 
 * Licensed under the terms of the Apache 2.0 license
31 
 *
32 
 * Revision 2022-06-06
33 
 */
34 
 
35 
declare(ticks=1);
36 
 
37 
define('OUTPUT_UOM', 'MB');
38 
define('ROUND_TO', 0);
39 
 
40 
class OpenDeletedFilesCheck extends VNag {
41 
        protected $argDir = null;
42 
 
43 
        public function __construct() {
44 
                parent::__construct();
45 
 
46 
                $this->registerExpectedStandardArguments('Vhtwc');
47 
 
48 
                $this->getHelpManager()->setPluginName('open_deleted_files');
49 
                $this->getHelpManager()->setVersion('1.0');
50 
                $this->getHelpManager()->setShortDescription('This plugin checks for open deleted files (which require space but are not visible/accessible anymore).');
51 
                $this->getHelpManager()->setCopyright('Copyright (C) 2011-$CURYEAR$ Daniel Marschall, ViaThinkSoft.');
52 
                $this->getHelpManager()->setSyntax('$SCRIPTNAME$ [-d directory] [-w warnSizeKB] [-c critSizeKB]');
53 
                $this->getHelpManager()->setFootNotes('If you encounter bugs, please contact ViaThinkSoft at www.viathinksoft.com');
54 
 
55 
#               $this->warningSingleValueRangeBehaviors[0]  = self::SINGLEVALUE_RANGE_VAL_GT_X_BAD;
56 
#               $this->criticalSingleValueRangeBehaviors[0] = self::SINGLEVALUE_RANGE_VAL_GT_X_BAD;
57 
 
58 
                // Individual (non-standard) arguments:
59 
                $this->addExpectedArgument($this->argDir = new VNagArgument('d', 'directory', VNagArgument::VALUE_REQUIRED, 'directory', 'Directory to check (e.g. /tmp)Directory to check (e.g. /tmp)'));
60 
        }
61 
 
62 
        protected static function check_open_deleted_files($dir_to_check = '/') {
63 
                // TODO: For some reason, it does not work if "sudo" is added to the command section in icinga2.conf!
64 
                exec('sudo lsof -n', $lines, $ec);
65 
                if ($ec != 0) return false;
66 
 
67 
                /*
68 
                $lines = explode("\n",
69 
                'COMMAND     PID   TID TASKCMD               USER   FD      TYPE             DEVICE    SIZE/OFF       NODE NAME
70 
                php-cgi     430                          oidplus    3u      REG               0,42           0 1502217042 /tmp/.ZendSem.uhCRtC (deleted)
71 
                apache2     838                             root  150u      REG               0,42           0 1499023202 /tmp/.ZendSem.RFcTM9 (deleted)
72 
                postgres   1060                      gitlab-psql  txt       REG                9,0     9291488   47189384 /opt/gitlab/embedded/postgresql/12/bin/postgres (deleted)
73 
                php-cgi    1573                         owncloud    3u      REG               0,42           0 1499024339 /tmp/.ZendSem.2Qh70x (deleted)
74 
                php-fpm7.  1738                             root    3u      REG               0,42           0  434907183 /tmp/.ZendSem.unGJqF
75 
                php-fpm7.  1739                         www-data    3u      REG               0,42           0  434907183 /tmp/.ZendSem.unGJqF (deleted)
76 
                php-fpm7.  1740                         www-data    3u      REG               0,42           0  434907183 /tmp/.ZendSem.unGJqF (deleted)
77 
                runsvdir   1932                             root  txt       REG                9,0       27104   45351338 /opt/gitlab/embedded/bin/runsvdir (deleted)
78 
                ');
79 
                */
80 
 
81 
                $line_desc = array_shift($lines);
82 
                $p_name = strpos($line_desc, 'NAME');
83 
                if ($p_name === false) return false;
84 
 
85 
                $nodes = array();
86 
 
87 
                foreach ($lines as $line) {
88 
                        if (trim($line) == '') continue;
89 
 
90 
                        $name = substr($line, $p_name);
91 
 
92 
                        preg_match('@.+\s(\d+)\$@ism', substr($line, 0, $p_name-1), $m);
93 
                        $tmp = rtrim(substr($line, 0, $p_name-1));
94 
                        $tmp = explode(" ", $tmp);
95 
                        $node = end($tmp);
96 
 
97 
                        $tmp = rtrim(substr($line, 0, $p_name-strlen($node)-1));
98 
                        $tmp = explode(" ", $tmp);
99 
                        $size = end($tmp);
100 
 
101 
                        if (substr($name, 0, strlen($dir_to_check)) !== $dir_to_check) continue;
102 
 
103 
                        if (strpos($name, ' (deleted)') === false) continue;
104 
                        if ($size == 0) continue;
105 
 
106 
                        $nodes[$node] = $size;
107 
                }
108 
 
109 
                $size_total = 0;
110 
                foreach ($nodes as $node => $size) {
111 
                        $size_total += $size;
112 
                }
113 
                return $size_total;
114 
        }
115 
 
116 
        protected function cbRun($optional_args=array()) {
117 
                $dir = $this->argDir->getValue();
118 
                if (empty($dir)) $dir = '/';
119 
                $dir = realpath($dir) === false ? $dir : realpath($dir);
120 
                if (substr($dir,-1) !== '/') $dir .= '/';
121 
 
122 
                $size = self::check_open_deleted_files($dir);
123 
                if ($size === false) throw new Exception("Cannot get information from 'lsof'");
124 
 
125 
                $this->checkAgainstWarningRange( array($size.'B'), false, true, 0);
126 
                $this->checkAgainstCriticalRange(array($size.'B'), false, true, 0);
127 
 
128 
                $m = (new VNagValueUomPair($size.'B'));
129 
                $m->roundTo = ROUND_TO;
130 
                $sizeOut = $m->normalize(OUTPUT_UOM);
131 
 
132 
                $msg = "$sizeOut opened deleted files in $dir";
133 
                $this->setHeadline($msg);
134 
        }
135 
}