plugins-scripts/check_file_age.pl

   1 #!@PERL@ -w
   2
   3 # check_file_age.pl Copyright (C) 2003 Steven Grimm <koreth-nagios@midwinter.com>
   4 #
   5 # Checks a file's size and modification time to make sure it's not empty
   6 # and that it's sufficiently recent.
   7 #
   8 #
   9 # This program is free software; you can redistribute it and/or
  10 # modify it under the terms of the GNU General Public License
  11 # as published by the Free Software Foundation; either version 2
  12 # of the License, or (at your option) any later version.
  13 #
  14 # This program is distributed in the hope that it will be useful,
  15 # but WITHOUT ANY WARRANTY; without even the implied warranty
  16 # of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  17 # GNU General Public License for more details.
  18 #
  19 # you should have received a copy of the GNU General Public License
  20 # along with this program if not, write to the Free Software Foundation,
  21 # 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
  22
  23 use strict;
  24 use English;
  25 use Getopt::Long;
  26 use File::stat;
  27 use vars qw($PROGNAME);
  28 use FindBin;
  29 use lib "$FindBin::Bin";
  30 use utils qw (%ERRORS &print_revision &support);
  31
  32 sub print_help ();
  33 sub print_usage ();
  34
  35 my ($opt_c, $opt_f, $opt_w, $opt_C, $opt_W, $opt_h, $opt_V, $opt_i);
  36 my ($result, $message, $age, $size, $st, $perfdata);
  37
  38 $PROGNAME="check_file_age";
  39
  40 $ENV{'PATH'}='@TRUSTED_PATH@';
  41 $ENV{'BASH_ENV'}='';
  42 $ENV{'ENV'}='';
  43
  44 $opt_w = 240;
  45 $opt_c = 600;
  46 $opt_W = 0;
  47 $opt_C = 0;
  48 $opt_f = "";
  49
  50 Getopt::Long::Configure('bundling');
  51 GetOptions(
  52         "V"   => \$opt_V, "version"     => \$opt_V,
  53         "h"   => \$opt_h, "help"        => \$opt_h,
  54         "i"   => \$opt_i, "ignore-missing"      => \$opt_i,
  55         "f=s" => \$opt_f, "file"        => \$opt_f,
  56         "w=f" => \$opt_w, "warning-age=f" => \$opt_w,
  57         "W=f" => \$opt_W, "warning-size=f" => \$opt_W,
  58         "c=f" => \$opt_c, "critical-age=f" => \$opt_c,
  59         "C=f" => \$opt_C, "critical-size=f" => \$opt_C);
  60
  61 if ($opt_V) {
  62         print_revision($PROGNAME, '@NP_VERSION@');
  63         exit $ERRORS{'UNKNOWN'};
  64 }
  65
  66 if ($opt_h) {
  67         print_help();
  68         exit $ERRORS{'UNKNOWN'};
  69 }
  70
  71 $opt_f = shift unless ($opt_f);
  72
  73 if (! $opt_f) {
  74         print "FILE_AGE UNKNOWN: No file specified\n";
  75         exit $ERRORS{'UNKNOWN'};
  76 }
  77
  78 # Check that file exists (can be directory or link)
  79 unless (-e $opt_f) {
  80         if ($opt_i) {
  81                 $result = 'OK';
  82                 print "FILE_AGE $result: $opt_f doesn't exist, but ignore-missing was set\n";
  83                 exit $ERRORS{$result};
  84
  85         } else {
  86                 print "FILE_AGE CRITICAL: File not found - $opt_f\n";
  87                 exit $ERRORS{'CRITICAL'};
  88         }
  89 }
  90
  91 $st = File::stat::stat($opt_f);
  92 $age = time - $st->mtime;
  93 $size = $st->size;
  94 $perfdata = "age=${age}s;${opt_w};${opt_c} size=${size}B;${opt_W};${opt_C};0";
  95
  96
  97 $result = 'OK';
  98
  99 if (($opt_c and $age > $opt_c) or ($opt_C and $size < $opt_C)) {
 100         $result = 'CRITICAL';
 101 }
 102 elsif (($opt_w and $age > $opt_w) or ($opt_W and $size < $opt_W)) {
 103         $result = 'WARNING';
 104 }
 105
 106 print "FILE_AGE $result: $opt_f is $age seconds old and $size bytes | $perfdata\n";
 107 exit $ERRORS{$result};
 108
 109 sub print_usage () {
 110         print "Usage:\n";
 111         print "  $PROGNAME [-w <secs>] [-c <secs>] [-W <size>] [-C <size>] [-i] -f <file>\n";
 112         print "  $PROGNAME [-h | --help]\n";
 113         print "  $PROGNAME [-V | --version]\n";
 114 }
 115
 116 sub print_help () {
 117         print_revision($PROGNAME, '@NP_VERSION@');
 118         print "Copyright (c) 2003 Steven Grimm\n\n";
 119         print_usage();
 120         print "\n";
 121         print "  -i | --ignore-missing :  return OK if the file does not exist\n";
 122         print "  <secs>  File must be no more than this many seconds old (default: warn 240 secs, crit 600)\n";
 123         print "  <size>  File must be at least this many bytes long (default: crit 0 bytes)\n";
 124         print "\n";
 125         support();
 126 }