Current File : //lib64/nagios/plugins/check_file_age
#!/usr/bin/perl -w
# check_file_age.pl Copyright (C) 2003 Steven Grimm <koreth-nagios@midwinter.com>
#
# Checks a file's size and modification time to make sure it's not empty
# and that it's sufficiently recent.
#
#
# This program is free software; you can redistribute it and/or
# modify it under the terms of the GNU General Public License
# as published by the Free Software Foundation; either version 2
# of the License, or (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty
# of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# you should have received a copy of the GNU General Public License
# along with this program (or with Nagios); if not, write to the
# Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
# Boston, MA 02110-1301, USA
use strict;
use English;
use Getopt::Long;
use File::stat;
use File::Basename;
use vars qw($PROGNAME);
use FindBin;
use lib "$FindBin::Bin";
use lib '/usr/lib64/nagios/plugins';
use utils qw (%ERRORS &print_revision &support);
sub print_help ();
sub print_usage ();
my ($opt_c, $opt_f, $opt_w, $opt_C, $opt_W, $opt_h, $opt_V, $opt_i);
my ($result, $message, $age, $size, $st, $perfdata, $output, @filelist, $filename, $safe_filename, $counter, $summary, $high_water_mark, $this_level, $this_result);
$PROGNAME="check_file_age";
$ENV{'PATH'}='/usr/local/sbin:/usr/local/bin:/sbin:/bin:/usr/sbin:/usr/bin';
$ENV{'BASH_ENV'}='';
$ENV{'ENV'}='';
$opt_w = 240;
$opt_c = 600;
$opt_W = 0;
$opt_C = 0;
$opt_f = "";
Getopt::Long::Configure('bundling');
GetOptions(
"V" => \$opt_V, "version" => \$opt_V,
"h" => \$opt_h, "help" => \$opt_h,
"i" => \$opt_i, "ignore-missing" => \$opt_i,
"f=s" => \$opt_f, "file" => \$opt_f,
"w=f" => \$opt_w, "warning-age=f" => \$opt_w,
"W=f" => \$opt_W, "warning-size=f" => \$opt_W,
"c=f" => \$opt_c, "critical-age=f" => \$opt_c,
"C=f" => \$opt_C, "critical-size=f" => \$opt_C);
if ($opt_V) {
print_revision($PROGNAME, '2.4.9');
exit $ERRORS{'OK'};
}
if ($opt_h) {
print_help();
exit $ERRORS{'OK'};
}
$opt_f = shift unless ($opt_f);
if (! $opt_f) {
print "FILE_AGE UNKNOWN: No file specified\n";
exit $ERRORS{'UNKNOWN'};
}
$opt_f = '"' . $opt_f . '"' if $opt_f =~ / /;
# Check that file(s) exists (can be directory or link)
$perfdata = "";
$output = "";
@filelist = glob($opt_f);
$counter = 0;
$high_water_mark = 0;
$result = "OK";
foreach $filename (@filelist) {
unless (-e $filename) {
if ($opt_i) {
if ($output) {
$output = $output . "\n";
}
$output = $output . "FILE_AGE OK: $filename doesn't exist, but ignore-missing was set\n";
$this_result = "OK";
$this_level = 0;
} else {
if ($output) {
$output = $output . "\n";
}
$output = $output . "FILE_AGE CRITICAL: File not found - $filename\n";
$this_result = "CRITICAL";
$this_level = 2;
}
if ($high_water_mark < $this_level) {
$high_water_mark = $this_level;
$counter = 1;
$result = $this_result;
}
elsif($high_water_mark = $this_level) {
$counter = $counter + 1;
}
next;
}
$st = File::stat::stat($filename);
$age = time - $st->mtime;
$size = $st->size;
if (scalar @filelist == 1) {
$perfdata = $perfdata . "age=${age}s;${opt_w};${opt_c} size=${size}B;${opt_W};${opt_C};0 ";
}
else {
$safe_filename = basename($filename);
$safe_filename =~ s/[='"]/_/g;
$perfdata = $perfdata . "${safe_filename}_age=${age}s;${opt_w};${opt_c} ${safe_filename}_size=${size}B;${opt_W};${opt_C};0 ";
}
$this_result = 'OK';
$this_level = 0;
if (($opt_c and $age > $opt_c) or ($opt_C and $size < $opt_C)) {
$this_result = 'CRITICAL';
$this_level = 2;
}
elsif (($opt_w and $age > $opt_w) or ($opt_W and $size < $opt_W)) {
$this_result = 'WARNING';
$this_level = 1;
}
if ($high_water_mark < $this_level) {
$high_water_mark = $this_level;
$counter = 1;
$result = $this_result;
}
elsif ($high_water_mark == $this_level) {
$counter = $counter + 1;
}
if ($output) {
$output = $output . "\n";
}
$output = $output . "FILE_AGE $this_result: $filename is $age seconds old and $size bytes ";
}
$summary = "$result: $counter files are $result";
if (scalar @filelist == 1) {
print "$output | $perfdata \n";
}
else {
print "$summary \n$output | $perfdata \n";
}
exit $ERRORS{$result};
sub print_usage () {
print "Usage:\n";
print " $PROGNAME [-w <secs>] [-c <secs>] [-W <size>] [-C <size>] [-i] -f <file>\n";
print " $PROGNAME [-h | --help]\n";
print " $PROGNAME [-V | --version]\n";
}
sub print_help () {
print_revision($PROGNAME, '2.4.9');
print "Copyright (c) 2003 Steven Grimm\n\n";
print_usage();
print "\n";
print " -i | --ignore-missing : return OK if the file does not exist\n";
print " <secs> File must be no more than this many seconds old (default: warn 240 secs, crit 600)\n";
print " <size> File must be at least this many bytes long (default: crit 0 bytes)\n";
print "\n";
support();
}
Mini Shell