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#!/usr/bin/perl -w
# Copyright (c) 2002 ISOMEDIA, Inc.
# Written by Steve Milton
# Released under the GNU Public License
#
# 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, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
#
# Usage: check_raid <raid-name>
# Example: check_raid md0
# WARNING md0 status=[UUU_U], recovery=46.4%, finish=123.0min
use strict;
my %ERRORS=('DEPENDENT'=>4,'UNKNOWN'=>3,'OK'=>0,'WARNING'=>1,'CRITICAL'=>2);
# die with an error if we're not on Linux
if ($^O ne 'linux') {
print "This plugin only applicable on Linux.\n";
exit $ERRORS{'UNKNOWN'};
}
open (MDSTAT, "</proc/mdstat") or die "Failed to open /proc/mdstat";
my $found = 0;
my $status = "";
my $recovery = "";
my $finish = "";
my $active = "";
while(<MDSTAT>) {
if ($found) {
if (/(\[[_U]+\])/) {
$status = $1;
last;
} elsif (/recovery = (.*?)\s/) {
$recovery = $1;
($finish) = /finish=(.*?min)/;
last;
}
} else {
if (/^$ARGV[0]\s*:/) {
$found = 1;
if (/active/) {
$active = 1;
}
}
}
}
my $msg = "FAILURE";
my $code = "UNKNOWN";
if ($status =~ /_/) {
if ($recovery) {
$msg = sprintf "%s status=%s, recovery=%s, finish=%s\n",
$ARGV[0], $status, $recovery, $finish;
$code = "WARNING";
} else {
$msg = sprintf "%s status=%s\n", $ARGV[0], $status;
$code = "CRITICAL";
}
} elsif ($status =~ /U+/) {
$msg = sprintf "%s status=%s\n", $ARGV[0], $status;
$code = "OK";
} else {
if ($active) {
$msg = sprintf "%s active with no status information.\n",
$ARGV[0];
$code = "OK";
} else {
$msg = sprintf "%s does not exist.\n", $ARGV[0];
$code = "CRITICAL";
}
}
print $code, " ", $msg;
exit ($ERRORS{$code});
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