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# Copyright (C) 2003 Shawn Ferry
#
# 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.
# $Id: UcdSnmp.pm,v 1.1 2010-12-27 00:03:47 ivan Exp $
# Shawn Ferry <sferry at sevenspace dot com> <lalartu at obscure dot org>
# Ucd Snmp Discovery
package Torrus::DevDiscover::UcdSnmp;
use strict;
use Torrus::Log;
$Torrus::DevDiscover::registry{'UcdSnmp'} = {
'sequence' => 500,
'checkdevtype' => \&checkdevtype,
'discover' => \&discover,
'buildConfig' => \&buildConfig
};
our %oiddef =
(
# ucd
'ucd' => '1.3.6.1.4.1.2021',
'net_snmp' => '1.3.6.1.4.1.8072',
# We assume that if we have Avail we also have Total
'ucd_memAvailSwap' => '1.3.6.1.4.1.2021.4.4.0',
'ucd_memAvailReal' => '1.3.6.1.4.1.2021.4.6.0',
# If we have in we assume out
'ucd_ssSwapIn' => '1.3.6.1.4.1.2021.11.3.0',
# If we have User we assume System and Idle
'ucd_ssCpuRawUser' => '1.3.6.1.4.1.2021.11.50.0',
'ucd_ssCpuRawNice' => '1.3.6.1.4.1.2021.11.51.0',
'ucd_ssCpuRawWait' => '1.3.6.1.4.1.2021.11.54.0',
'ucd_ssCpuRawKernel' => '1.3.6.1.4.1.2021.11.55.0',
'ucd_ssCpuRawInterrupts' => '1.3.6.1.4.1.2021.11.56.0',
'ucd_ssCpuRawSoftIRQ' => '1.3.6.1.4.1.2021.11.61.0',
# if we have Sent we assume Received
'ucd_ssIORawSent' => '1.3.6.1.4.1.2021.11.57.0',
'ucd_ssRawInterrupts' => '1.3.6.1.4.1.2021.11.59.0',
'ucd_ssRawContexts' => '1.3.6.1.4.1.2021.11.60.0',
'ucd_laTable' => '1.3.6.1.4.1.2021.10'
);
sub checkdevtype
{
my $dd = shift;
my $devdetails = shift;
my $sysObjectID = $devdetails->snmpVar( $dd->oiddef('sysObjectID') );
if( not $dd->oidBaseMatch( 'ucd', $sysObjectID )
and
not $dd->oidBaseMatch( 'net_snmp', $sysObjectID ) )
{
return 0;
}
return 1;
}
sub discover
{
my $dd = shift;
my $devdetails = shift;
my $session = $dd->session();
my $data = $devdetails->data();
my @checkOids = (
'ucd_memAvailSwap',
'ucd_memAvailReal',
'ucd_ssSwapIn',
'ucd_ssCpuRawUser',
'ucd_ssCpuRawWait',
'ucd_ssCpuRawKernel',
'ucd_ssCpuRawInterrupts',
'ucd_ssCpuRawNice',
'ucd_ssCpuRawSoftIRQ',
'ucd_ssIORawSent',
'ucd_ssRawInterrupts',
);
my $result = $dd->retrieveSnmpOIDs( @checkOids );
if( defined( $result ) )
{
foreach my $oid ( @checkOids )
{
if( defined($result->{$oid}) and length($result->{$oid}) > 0 )
{
$devdetails->setCap($oid);
}
}
}
if( $dd->checkSnmpTable('ucd_laTable') )
{
$devdetails->setCap('ucd_laTable');
}
return 1;
}
sub buildConfig
{
my $devdetails = shift;
my $cb = shift;
my $devNode = shift;
my $data = $devdetails->data();
# Hostresources MIB is optional in net-snmp. We try and use the same
# subtree name for UCD and Hostresources statistics.
my $subtreeName =
$devdetails->param('RFC2790_HOST_RESOURCES::sysperf-subtree-name');
if( not defined( $subtreeName ) )
{
$subtreeName = 'System_Performance';
$devdetails->setParam
('RFC2790_HOST_RESOURCES::sysperf-subtree-name', $subtreeName);
}
my @templates;
if( $devdetails->hasCap('ucd_ssIORawSent') )
{
push( @templates, 'UcdSnmp::ucdsnmp-blockio' );
}
if( $devdetails->hasCap('ucd_ssRawInterrupts') )
{
push( @templates, 'UcdSnmp::ucdsnmp-raw-interrupts' );
}
if( $devdetails->hasCap('ucd_laTable') )
{
push( @templates, 'UcdSnmp::ucdsnmp-load-average' );
}
if( $devdetails->hasCap('ucd_memAvailSwap') )
{
push( @templates, 'UcdSnmp::ucdsnmp-memory-swap' );
}
if( $devdetails->hasCap('ucd_memAvailReal') )
{
push( @templates, 'UcdSnmp::ucdsnmp-memory-real' );
}
my $cpuMultiParam;
my @cpuMultiTemplates;
if( $devdetails->hasCap('ucd_ssCpuRawUser') )
{
$cpuMultiParam = {
'graph-lower-limit' => '0',
'rrd-hwpredict' => 'disabled',
'vertical-label' => 'Cpu Usage',
'comment' => 'Cpu Idle, Sys, User',
'ds-names' => 'idle,sys,user',
'ds-type' => 'rrd-multigraph'
};
push( @templates,
'UcdSnmp::ucdsnmp-cpu-user',
'UcdSnmp::ucdsnmp-cpu-system',
'UcdSnmp::ucdsnmp-cpu-idle' );
push( @cpuMultiTemplates,
'UcdSnmp::ucdsnmp-cpu-user-multi',
'UcdSnmp::ucdsnmp-cpu-system-multi',
'UcdSnmp::ucdsnmp-cpu-idle-multi' );
if( $devdetails->hasCap('ucd_ssCpuRawWait') )
{
push( @templates, 'UcdSnmp::ucdsnmp-cpu-wait' );
push( @cpuMultiTemplates, 'UcdSnmp::ucdsnmp-cpu-wait-multi' );
$cpuMultiParam->{'comment'} .= ', Wait';
$cpuMultiParam->{'ds-names'} .= ',wait';
}
if( $devdetails->hasCap('ucd_ssCpuRawKernel') )
{
push( @templates, 'UcdSnmp::ucdsnmp-cpu-kernel' );
push( @cpuMultiTemplates, 'UcdSnmp::ucdsnmp-cpu-kernel-multi' );
$cpuMultiParam->{'comment'} .= ', Kernel';
$cpuMultiParam->{'ds-names'} .= ',kernel';
}
if( $devdetails->hasCap('ucd_ssCpuRawNice') )
{
push( @templates, 'UcdSnmp::ucdsnmp-cpu-nice' );
push( @cpuMultiTemplates, 'UcdSnmp::ucdsnmp-cpu-nice-multi' );
$cpuMultiParam->{'comment'} .= ', Nice';
$cpuMultiParam->{'ds-names'} .= ',nice';
}
if( $devdetails->hasCap('ucd_ssCpuRawInterrupts') )
{
push( @templates, 'UcdSnmp::ucdsnmp-cpu-interrupts' );
push( @cpuMultiTemplates,
'UcdSnmp::ucdsnmp-cpu-interrupts-multi' );
$cpuMultiParam->{'comment'} .= ', Interrupts';
$cpuMultiParam->{'ds-names'} .= ',int';
}
if( $devdetails->hasCap('ucd_ssCpuRawSoftIRQ') )
{
push( @templates, 'UcdSnmp::ucdsnmp-cpu-softirq' );
push( @cpuMultiTemplates,
'UcdSnmp::ucdsnmp-cpu-softirq-multi' );
$cpuMultiParam->{'comment'} .= ', SoftIRQs';
$cpuMultiParam->{'ds-names'} .= ',softirq';
}
$cpuMultiParam->{'comment'} =~ s/\,\s+(\w+)$/ and $1/;
}
my $perfNode = $cb->addSubtree( $devNode, $subtreeName,
undef, \@templates);
if( $cpuMultiParam )
{
$cb->addLeaf( $perfNode, 'Cpu_Stats',
$cpuMultiParam, \@cpuMultiTemplates );
}
}
1;
# Local Variables:
# mode: perl
# indent-tabs-mode: nil
# perl-indent-level: 4
# End:
|
