diff options
Diffstat (limited to 'Monitoring/nagios/plugins/check_linux_raid')
| -rwxr-xr-x | Monitoring/nagios/plugins/check_linux_raid | 115 |
1 files changed, 115 insertions, 0 deletions
diff --git a/Monitoring/nagios/plugins/check_linux_raid b/Monitoring/nagios/plugins/check_linux_raid new file mode 100755 index 00000000..ab982cd6 --- /dev/null +++ b/Monitoring/nagios/plugins/check_linux_raid @@ -0,0 +1,115 @@ +#!/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=123.0min + +use strict; +use lib "/usr/lib/nagios/plugins"; +use utils qw(%ERRORS); + +# 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'}; +} + +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)/; + $device=undef; + } elsif (/^\s*$/) { + $device=undef; + } + } elsif (/^($nextdev)\s*:/) { + $device=$1; + $devices{$device}=$device; + if (/\sactive/) { + $status{$device} = ''; # Shall be filled later if available + $active{$device} = 1; + } + } + } + $nextdev = shift; +} + +foreach my $k (sort keys %devices){ + if (!exists($status{$k})) { + $msg .= sprintf " %s inactive with no status information.", + $devices{$k}; + $code = max_state($code, "CRITICAL"); + } elsif ($status{$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.", + $devices{$k}; + $code = max_state($code, "OK"); + } else { + # This should't run anymore, but is left as a catch-all + $msg .= sprintf " %s does not exist.\n", $devices{$k}; + $code = max_state($code, "CRITICAL"); + } + } +} + +print $code, $msg, "\n"; +exit ($ERRORS{$code}); + |