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Diffstat (limited to 'plugins-scripts/check_file_age.pl')
| -rwxr-xr-x | plugins-scripts/check_file_age.pl | 161 |
1 files changed, 161 insertions, 0 deletions
diff --git a/plugins-scripts/check_file_age.pl b/plugins-scripts/check_file_age.pl new file mode 100755 index 0000000..26281dd --- /dev/null +++ b/plugins-scripts/check_file_age.pl @@ -0,0 +1,161 @@ +#!@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 if not, write to the Free Software Foundation, +# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA + +use strict; +use English; +use Getopt::Long; +use File::stat; +use vars qw($PROGNAME); +use FindBin; +use lib "$FindBin::Bin"; +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, $perfdata); + +$PROGNAME="check_file_age"; + +$ENV{'PATH'}='@TRUSTED_PATH@'; +$ENV{'BASH_ENV'}=''; +$ENV{'ENV'}=''; + +$opt_w = 240; +$opt_c = 600; +$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=s" => \$opt_w, "warning-age=s" => \$opt_w, + "W=s" => \$opt_W, "warning-size=s" => \$opt_W, + "c=s" => \$opt_c, "critical-age=s" => \$opt_c, + "C=s" => \$opt_C, "critical-size=s" => \$opt_C); + +if ($opt_V) { + print_revision($PROGNAME, '@NP_VERSION@'); + exit $ERRORS{'UNKNOWN'}; +} + +if ($opt_h) { + print_help(); + exit $ERRORS{'UNKNOWN'}; +} + +$opt_f = shift unless ($opt_f); + +if (! $opt_f) { + print "FILE_AGE UNKNOWN: No file specified\n"; + exit $ERRORS{'UNKNOWN'}; +} + +# Check that file exists (can be directory or link) +unless (-e $opt_f) { + if ($opt_i) { + $result = 'OK'; + print "FILE_AGE $result: $opt_f doesn't exist, but ignore-missing was set\n"; + exit $ERRORS{$result}; + + } else { + print "FILE_AGE CRITICAL: File not found - $opt_f\n"; + exit $ERRORS{'CRITICAL'}; + } +} + +$st = File::stat::stat($opt_f); +$age = time - $st->mtime; +$size = $st->size; + +$result = 'OK'; + +if ($opt_c !~ m/^\d+$/ or ($opt_C and $opt_C !~ m/^\d+$/) + or $opt_w !~ m/^\d+$/ or ($opt_W and $opt_W !~ m/^\d+$/)) { + # range has been specified so use M::P::R to process + require Monitoring::Plugin::Range; + # use permissive range defaults for size when none specified + $opt_W = "0:" unless ($opt_W); + $opt_C = "0:" unless ($opt_C); + + if (Monitoring::Plugin::Range->parse_range_string($opt_c) + ->check_range($age) == 1) { # 1 means it raises an alert because it's OUTSIDE the range + $result = 'CRITICAL'; + } + elsif (Monitoring::Plugin::Range->parse_range_string($opt_C) + ->check_range($size) == 1) { + $result = 'CRITICAL'; + } + elsif (Monitoring::Plugin::Range->parse_range_string($opt_w) + ->check_range($age) == 1) { + $result = 'WARNING'; + } + elsif (Monitoring::Plugin::Range->parse_range_string($opt_W) + ->check_range($size) == 1) { + $result = 'WARNING'; + } +} +else { + # use permissive defaults for size when none specified + $opt_W = 0 unless ($opt_W); + $opt_C = 0 unless ($opt_C); + if ($age > $opt_c or $size < $opt_C) { + $result = 'CRITICAL'; + } + elsif ($age > $opt_w or $size < $opt_W) { + $result = 'WARNING'; + } +} + +$perfdata = "age=${age}s;${opt_w};${opt_c} size=${size}B;${opt_W};${opt_C};0"; +print "FILE_AGE $result: $opt_f is $age seconds old and $size bytes | $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, '@NP_VERSION@'); + 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: file size is ignored (0 bytes))\n\n"; + print " Both <secs> and <size> can specify a range using the standard plugin syntax\n"; + print " If any of the warning and critical arguments are in range syntax (not just bare numbers)\n"; + print " then all warning and critical arguments will be interpreted as ranges.\n"; + print " To use range processing the perl module Monitoring::Plugin must be installed\n"; + print " For range syntax see https://www.monitoring-plugins.org/doc/guidelines.html#THRESHOLDFORMAT\n"; + print " It is strongly recommended when using range syntax that all four of -w, -W, -c and -C are specified\n"; + print " otherwise it is unlikely that the size test will be doing what is desired\n"; + print "\n"; + support(); +} + |