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Initial version

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Guillaume Blairon 2009-09-21 10:37:51 +02:00 committed by Steve Schnepp
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commit 9e0ff89cc2
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plugins/other/snmp__netapp_inodeusage_ Executable file
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#!/usr/bin/perl
=head1 NAME
snmp__netapp_inodeusage_ - Munin plugin to retrieve inodes usage on
NetApp storage appliances.
=head1 APPLICABLE SYSTEMS
Inodes usage stats should be reported by any NetApp storage appliance
with SNMP agent daemon activated. See na_snmp(8) for details.
=head1 CONFIGURATION
Unfortunately, SNMPv3 is not fully supported on all NetApp equipments.
For this reason, this plugin will use SNMPv2 by default, which is
insecure because it doesn't encrypt the community string.
The following parameters will help you get this plugin working :
[snmp_*]
env.community MyCommunity
If your community name is 'public', you should really worry about
security and immediately reconfigure your appliance.
Please see 'perldoc Munin::Plugin::SNMP' for further configuration.
=head1 MIB INFORMATION
This plugin requires support for the NETWORK-APPLIANCE-MIB issued by
Network Appliance. It reports the content of the DfEntry OID.
=head1 MAGIC MARKERS
#%# family=snmpauto
#%# capabilities=snmpconf
=head1 VERSION
v1.0 - 06/22/2009 14:05:03 CEST
Initial revision
=head1 AUTHOR
This plugin is copyright (c) 2009 by Guillaume Blairon.
NetApp is a registered trademark and Network Appliance is a trademark
of Network Appliance, Inc. in the U.S. and other countries.
=head1 BUGS
This plugin wasn't tested on many hardware. If you encounter bugs,
please report any to Guillaume Blairon E<lt>L<g@yom.be>E<gt>.
=head1 LICENSE
GPLv2 or (at your option) any later version.
=cut
use strict;
use warnings;
use Munin::Plugin::SNMP;
use vars qw($DEBUG);
$DEBUG = $ENV{'MUNIN_DEBUG'};
my @palette =
#Better colours from munin 1.3.x
#Greens Blues Oranges Dk yel Dk blu Purple Lime Reds Gray
qw(00CC00 0066B3 FF8000 FFCC00 330099 990099 CCFF00 FF0000 808080
008F00 00487D B35A00 B38F00 6B006B 8FB300 B30000 BEBEBE
80FF80 80C9FF FFC080 FFE680 AA80FF EE00CC FF8080
666600 FFBFFF 00FFCC CC6699 999900);
my %oids = (
dfInodesUsed => '1.3.6.1.4.1.789.1.5.4.1.7.',
dfInodesFree => '1.3.6.1.4.1.789.1.5.4.1.8.',
);
if (defined $ARGV[0] and $ARGV[0] eq 'snmpconf') {
print "number 1.3.6.1.4.1.789.1.5.6.0\n";
print "index 1.3.6.1.4.1.789.1.5.4.1.1.\n";
foreach (keys %oids) {
print "require $oids{$_} [0-9]\n";
}
exit 0;
}
my $session = Munin::Plugin::SNMP->session();
my ($host, undef, undef, $tail) = Munin::Plugin::SNMP->config_session();
my ($df_id, $name_oid);
if ($tail =~ /^netapp_inodeusage_(\d)*$/) {
$df_id = $1;
$name_oid = '1.3.6.1.4.1.789.1.5.4.1.2.' . $df_id;
} else {
die "Couldn't understand what I'm supposed to monitor";
}
if (defined $ARGV[0] and $ARGV[0] eq "config") {
my $df_name = $session->get_single($name_oid);
print "host_name $host\n" unless $host eq 'localhost';
print "graph_title $host inodes usage on $df_name\n";
print "graph_args --base 1000 --lower-limit 0\n";
print "graph_vlabel bytes\n";
print "graph_category disk\n";
print "graph_info This graph shows the inodes usage for $df_name on NetApp host $host\n";
print "graph_order used avail total\n";
print "used.info The total inodes number of inodes in use on the $df_name file system.\n";
print "used.type GAUGE\n";
print "used.draw AREA\n";
print "used.label Used\n";
print "used.min 0\n";
print "used.colour $palette[1]\n";
print "avail.info The total number of inodes that are free for use on the $df_name file system.\n";
print "avail.type GAUGE\n";
print "avail.draw STACK\n";
print "avail.label Available\n";
print "avail.min 0\n";
print "avail.colour $palette[3]\n";
print "total.info The total capacity for the $df_name file system.\n";
print "total.type GAUGE\n";
print "total.draw LINE2\n";
print "total.label Total\n";
print "total.min 0\n";
print "total.colour $palette[7]\n";
exit 0;
}
my $used = $session->get_single($oids{dfInodesUsed}.$df_id);
my $avail = $session->get_single($oids{dfInodesFree}.$df_id);
my $total = $used + $avail;
print "used.value $used\n";
print "avail.value $avail\n";
print "total.value $total\n";
exit 0;
__END__