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gave some TLC to check_linux_raid

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git-svn-id: https://nagiosplug.svn.sourceforge.net/svnroot/nagiosplug/nagiosplug/trunk@1412 f882894a-f735-0410-b71e-b25c423dba1c
This commit is contained in:
M. Sean Finney 2006-06-01 22:30:51 +00:00
parent 25d253bf3f
commit 4522ae336d
1 changed files with 74 additions and 52 deletions
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126
contrib/check_linux_raid.pl
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@ -1,8 +1,8 @@
#!/usr/bin/perl -w
# Copyright (c) 2002 ISOMEDIA, Inc.
# Written by Steve Milton
# Released under the GNU Public License
# 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
@ -18,13 +18,13 @@
# 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>
# 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);
use lib utils.pm;
use utils qw(%ERRORS);
# die with an error if we're not on Linux
if ($^O ne 'linux') {
@ -32,57 +32,79 @@ if ($^O ne 'linux') {
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;
}
}
}
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 $msg = "FAILURE";
my $nextdev;
if(defined $ARGV[0]) { $nextdev = shift; }
else { $nextdev = "md[0-9]"; }
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";
}
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;
$device = undef;
} elsif (/recovery = (.*?)\s/) {
$recovery{$device} = $1;
($finish{$device}) = /finish=(.*?min)/;
$device = undef;
}
} else {
if (/^($nextdev)\s*:/) {
$device=$1;
$devices{$device}=$device;
if (/active/) {
$active{$device} = 1;
}
}
}
}
$nextdev = shift;
}
print $code, " ", $msg;
foreach my $k (sort keys %devices){
if ($status{$k} =~ /_/) {
if ($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});