#!/usr/bin/perl -w# Copyright (c) 2002 ISOMEDIA, Inc.# originally written by Steve Milton# later updates by sean finney <seanius@seanius.net>## 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=123.0minuse strict;use lib "/usr/local/nagios/libexec";use utils qw(%ERRORS);# die with an error if we're not on Linuxif ($^O ne 'linux') { print "This plugin only applicable on Linux.\n"; exit $ERRORS{'UNKNOWN'};}sub max_state($$){ my ($a, $b) = @_; if ($a eq "CRITICAL" || $b eq "CRITICAL") { return "CRITICAL"; } elsif ($a eq "WARNING" || $b eq "WARNING") { return "WARNING"; } elsif ($a eq "OK" || $b eq "OK") { return "OK"; } elsif ($a eq "UNKNOWN" || $b eq "UNKNOWN") { return "UNKNOWN"; } elsif ($a eq "DEPENDENT" || $b eq "DEPENDENT") { return "DEPENDENT"; } return "UNKNOWN";}my $nextdev;if(defined $ARGV[0]) { $nextdev = shift; }else { $nextdev = "md[0-9]"; }my $code = "UNKNOWN";my $msg = "";my %status;my %recovery;my %finish;my %active;my %devices;while(defined $nextdev){ open (MDSTAT, "< /proc/mdstat") or die "Failed to open /proc/mdstat"; my $device = undef; while(<MDSTAT>) { if (defined $device) { if (/(\[[_U]+\])/) { $status{$device} = $1; } elsif (/recovery = (.*?)\s/) { $recovery{$device} = $1; ($finish{$device}) = /finish=(.*?min)/; } elsif (/^\s*$/) { $device=undef; } } elsif (/^($nextdev)\s*:/) { $device=$1; $devices{$device}=$device; if (/active/) { $active{$device} = 1; } } } $nextdev = shift;}foreach my $k (sort keys %devices){ if ($status{$k} =~ /_/) { if (defined $recovery{$k}) { $msg .= sprintf " %s status=%s, recovery=%s, finish=%s.", $devices{$k}, $status{$k}, $recovery{$k}, $finish{$k}; $code = max_state($code, "WARNING"); } else { $msg .= sprintf " %s status=%s.", $devices{$k}, $status{$k}; $code = max_state($code, "CRITICAL"); } } elsif ($status{$k} =~ /U+/) { $msg .= sprintf " %s status=%s.", $devices{$k}, $status{$k}; $code = max_state($code, "OK"); } else { if ($active{$k}) { $msg .= sprintf " %s active with no status information.\n", $devices{$k}; $code = max_state($code, "OK"); } else { $msg .= sprintf " %s does not exist.\n", $devices{$k}; $code = max_state($code, "CRITICAL"); } }}print $code, $msg, "\n";exit ($ERRORS{$code});