mirror of
https://github.com/munin-monitoring/contrib.git
synced 2018-11-08 00:59:34 +01:00
68 lines
1.5 KiB
Plaintext
68 lines
1.5 KiB
Plaintext
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#!/usr/bin/perl -w
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#
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# (c) 2007 Nathan Rutman nathan@clusterfs.com
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#
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# Plugin to monitor RAID status
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#
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# Results are % of healthy drives in a raid device
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#
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#
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#%# family=contrib
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#%# capabilities=autoconf
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if ($ARGV[0] and $ARGV[0] eq "autoconf")
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{
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if (-r "/proc/mdstat" and `grep md /proc/mdstat`)
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{
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print "yes\n";
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exit 0;
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}
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else
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{
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print "no RAID devices\n";
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exit 1;
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}
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}
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if ( $ARGV[0] and $ARGV[0] eq "config" )
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{
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print "graph_title RAID status\n";
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print "graph_category disk\n";
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print "graph_info This graph monitors RAID disk health. Values are percentage of healthy drives in each raid group. Degraded devices are marked Critical.\n";
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print "graph_args --base 1000 -l 0\n";
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print "graph_vlabel % healthy\n";
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print "graph_scale no\n";
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}
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{
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local( $/, *MDSTAT ) ;
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open (MDSTAT, "/proc/mdstat") or exit 1;
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#open (MDSTAT, "/etc/munin/plugins/sample.failed") or exit 1;
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my $text = <MDSTAT>;
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close MDSTAT;
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while ($text =~ /(md\d)\s+:\s+active\s+(\w+)\s+(.*)\n.*\[(\d+)\/(\d+)]\s+\[(\w+)]/ )
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{
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my($dev,$type,$members,$nmem,$nact,$status) = ($1,$2,$3,$4,$5,$6);
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#print "item: $dev $type ($members) status=$status \n";
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if ( $ARGV[0] and $ARGV[0] eq "config" )
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{
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print "$dev.label $dev\n";
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print "$dev.info $type $members\n";
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# 100: means less than 100
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print "$dev.critical 100:\n";
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}
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else
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{
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my $pct = 100 * $nact / $nmem;
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print "$dev.value $pct\n";
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}
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$text = $';
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}
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}
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exit 0;
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# vim:syntax=perl
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