116 lines
3.3 KiB
Perl
116 lines
3.3 KiB
Perl
#!/usr/bin/perl -w
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# Copyright (c) 2002 ISOMEDIA, Inc.
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# originally written by Steve Milton
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# later updates by sean finney <seanius@seanius.net>
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#
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 2 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program; if not, write to the Free Software
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# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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#
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# Usage: check_raid [raid-name]
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# Example: check_raid md0
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# WARNING md0 status=[UUU_U], recovery=46.4%, finish=123.0min
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use strict;
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use lib "/usr/local/nagios/libexec";
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use utils qw(%ERRORS);
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# die with an error if we're not on Linux
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if ($^O ne 'linux') {
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print "This plugin only applicable on Linux.\n";
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exit $ERRORS{'UNKNOWN'};
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}
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sub max_state($$){
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my ($a, $b) = @_;
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if ($a eq "CRITICAL" || $b eq "CRITICAL") { return "CRITICAL"; }
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elsif ($a eq "WARNING" || $b eq "WARNING") { return "WARNING"; }
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elsif ($a eq "OK" || $b eq "OK") { return "OK"; }
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elsif ($a eq "UNKNOWN" || $b eq "UNKNOWN") { return "UNKNOWN"; }
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elsif ($a eq "DEPENDENT" || $b eq "DEPENDENT") { return "DEPENDENT"; }
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return "UNKNOWN";
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}
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my $nextdev;
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if(defined $ARGV[0]) { $nextdev = shift; }
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else { $nextdev = "md[0-9]+"; }
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my $code = "UNKNOWN";
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my $msg = "";
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my %status;
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my %recovery;
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my %finish;
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my %active;
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my %devices;
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while(defined $nextdev){
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open (MDSTAT, "< /proc/mdstat") or die "Failed to open /proc/mdstat";
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my $device = undef;
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while(<MDSTAT>) {
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if (defined $device) {
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if (/(\[[_U]+\])/) {
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$status{$device} = $1;
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} elsif (/recovery = (.*?)\s/) {
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$recovery{$device} = $1;
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($finish{$device}) = /finish=(.*?min)/;
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$device=undef;
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} elsif (/^\s*$/) {
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$device=undef;
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}
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} elsif (/^($nextdev)\s*:/) {
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$device=$1;
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$devices{$device}=$device;
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if (/\sactive/) {
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$status{$device} = ''; # Shall be filled later if available
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$active{$device} = 1;
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}
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}
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}
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$nextdev = shift;
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}
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foreach my $k (sort keys %devices){
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if (!exists($status{$k})) {
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$msg .= sprintf " %s inactive with no status information.",
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$devices{$k};
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$code = max_state($code, "CRITICAL");
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} elsif ($status{$k} =~ /_/) {
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if (defined $recovery{$k}) {
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$msg .= sprintf " %s status=%s, recovery=%s, finish=%s.",
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$devices{$k}, $status{$k}, $recovery{$k}, $finish{$k};
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$code = max_state($code, "WARNING");
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} else {
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$msg .= sprintf " %s status=%s.", $devices{$k}, $status{$k};
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$code = max_state($code, "CRITICAL");
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}
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} elsif ($status{$k} =~ /U+/) {
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$msg .= sprintf " %s status=%s.", $devices{$k}, $status{$k};
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$code = max_state($code, "OK");
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} else {
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if ($active{$k}) {
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$msg .= sprintf " %s active with no status information.",
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$devices{$k};
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$code = max_state($code, "OK");
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} else {
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# This should't run anymore, but is left as a catch-all
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$msg .= sprintf " %s does not exist.\n", $devices{$k};
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$code = max_state($code, "CRITICAL");
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}
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}
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}
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print $code, $msg, "\n";
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exit ($ERRORS{$code});
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