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-rwxr-xr-xMonitoring/nagios/plugins/check_linux_raid115
1 files changed, 115 insertions, 0 deletions
diff --git a/Monitoring/nagios/plugins/check_linux_raid b/Monitoring/nagios/plugins/check_linux_raid
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+++ 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});
+