plugins-scripts/check_file_age.pl

   1 #!/bin/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 (or with Nagios);  if not, write to the
  21 # Free Software Foundation, Inc., 59 Temple Place - Suite 330,
  22 # Boston, MA 02111-1307, USA
  23
  24 use strict;
  25 use English;
  26 use Getopt::Long;
  27 use File::stat;
  28 use vars qw($PROGNAME);
  29 use lib ".";
  30 use utils qw (%ERRORS &print_revision &support);
  31
  32 sub print_help ();
  33 sub print_usage ();
  34
  35 my ($opt_c, $opt_f, $opt_w, $opt_C, $opt_W, $opt_h, $opt_V);
  36 my ($result, $message, $age, $size, $st);
  37
  38 $PROGNAME="check_file_age";
  39
  40 $opt_w = 240;
  41 $opt_c = 600;
  42 $opt_W = 0;
  43 $opt_C = 0;
  44 $opt_f = "";
  45
  46 Getopt::Long::Configure('bundling');
  47 GetOptions(
  48         "V"   => \$opt_V, "version"     => \$opt_V,
  49         "h"   => \$opt_h, "help"        => \$opt_h,
  50         "f=s" => \$opt_f, "file"        => \$opt_f,
  51         "w=f" => \$opt_w, "warning-age=f" => \$opt_w,
  52         "W=f" => \$opt_W, "warning-size=f" => \$opt_W,
  53         "c=f" => \$opt_c, "critical-age=f" => \$opt_c,
  54         "C=f" => \$opt_C, "critical-size=f" => \$opt_C);
  55
  56 if ($opt_V) {
  57         print_revision($PROGNAME, '@NP_VERSION@');
  58         exit $ERRORS{'OK'};
  59 }
  60
  61 if ($opt_h) {
  62         print_help();
  63         exit $ERRORS{'OK'};
  64 }
  65
  66 $opt_f = shift unless ($opt_f);
  67
  68 if (! $opt_f) {
  69         print "FILE_AGE UNKNOWN: No file specified\n";
  70         exit $ERRORS{'UNKNOWN'};
  71 }
  72
  73 # Check that file exists (can be directory or link)
  74 unless (-e $opt_f) {
  75         print "FILE_AGE CRITICAL: File not found - $opt_f\n";
  76         exit $ERRORS{'CRITICAL'};
  77 }
  78
  79 $st = File::stat::stat($opt_f);
  80 $age = time - $st->mtime;
  81 $size = $st->size;
  82
  83
  84 $result = 'OK';
  85
  86 if (($opt_c and $age > $opt_c) or ($opt_C and $size < $opt_C)) {
  87         $result = 'CRITICAL';
  88 }
  89 elsif (($opt_w and $age > $opt_w) or ($opt_W and $size < $opt_W)) {
  90         $result = 'WARNING';
  91 }
  92
  93 print "FILE_AGE $result: $opt_f is $age seconds old and $size bytes\n";
  94 exit $ERRORS{$result};
  95
  96 sub print_usage () {
  97         print "Usage:\n";
  98         print "  $PROGNAME [-w <secs>] [-c <secs>] [-W <size>] [-C <size>] -f <file>\n";
  99         print "  $PROGNAME [-h | --help]\n";
 100         print "  $PROGNAME [-V | --version]\n";
 101 }
 102
 103 sub print_help () {
 104         print_revision($PROGNAME, '@NP_VERSION@');
 105         print "Copyright (c) 2003 Steven Grimm\n\n";
 106         print_usage();
 107         print "\n";
 108         print "  <secs>  File must be no more than this many seconds old (default: warn 240 secs, crit 600)\n";
 109         print "  <size>  File must be at least this many bytes long (default: crit 0 bytes)\n";
 110         print "\n";
 111         support();
 112 }