668 lines
16 KiB
Perl
668 lines
16 KiB
Perl
# SNMP::Info::Layer3::Foundry - SNMP Interface to Foundry devices
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# $Id$
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#
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# Copyright (c) 2008 Max Baker changes from version 0.8 and beyond.
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#
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# Copyright (c) 2002,2003 Regents of the University of California
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# All rights reserved.
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#
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# Redistribution and use in source and binary forms, with or without
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# modification, are permitted provided that the following conditions are met:
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#
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# * Redistributions of source code must retain the above copyright notice,
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# this list of conditions and the following disclaimer.
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# * Redistributions in binary form must reproduce the above copyright
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# notice, this list of conditions and the following disclaimer in the
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# documentation and/or other materials provided with the distribution.
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# * Neither the name of the University of California, Santa Cruz nor the
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# names of its contributors may be used to endorse or promote products
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# derived from this software without specific prior written permission.
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#
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# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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# AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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# ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
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# LIABLE FOR # ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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# CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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# SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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# INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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# CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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# ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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# POSSIBILITY OF SUCH DAMAGE.
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package SNMP::Info::Layer3::Foundry;
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use strict;
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use Exporter;
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use SNMP::Info::Layer3;
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use SNMP::Info::FDP;
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use SNMP::Info::LLDP;
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@SNMP::Info::Layer3::Foundry::ISA = qw/SNMP::Info::FDP SNMP::Info::LLDP
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SNMP::Info::Layer3 Exporter/;
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@SNMP::Info::Layer3::Foundry::EXPORT_OK = qw//;
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use vars qw/$VERSION %GLOBALS %FUNCS %MIBS %MUNGE/;
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$VERSION = '1.09';
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%MIBS = (
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%SNMP::Info::Layer3::MIBS,
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%SNMP::Info::LLDP::MIBS,
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%SNMP::Info::FDP::MIBS,
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'FOUNDRY-SN-ROOT-MIB' => 'foundry',
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'FOUNDRY-SN-AGENT-MIB' => 'snChasPwrSupplyDescription',
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'FOUNDRY-SN-SWITCH-GROUP-MIB' => 'snSwGroupOperMode',
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);
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%GLOBALS = (
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%SNMP::Info::Layer3::GLOBALS,
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%SNMP::Info::LLDP::GLOBALS,
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%SNMP::Info::FDP::GLOBALS,
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'mac' => 'ifPhysAddress.1',
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'chassis' => 'entPhysicalDescr.1',
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'temp' => 'snChasActualTemperature',
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'ps1_type' => 'snChasPwrSupplyDescription.1',
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'ps1_status' => 'snChasPwrSupplyOperStatus.1',
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'fan' => 'snChasFanOperStatus.1',
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);
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%FUNCS = (
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%SNMP::Info::Layer3::FUNCS,
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%SNMP::Info::LLDP::FUNCS,
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%SNMP::Info::FDP::FUNCS,
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# FOUNDRY-SN-SWITCH-GROUP-MIB
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# snSwPortInfoTable - Switch Port Information Group
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'sw_index' => 'snSwPortIfIndex',
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'sw_duplex' => 'snSwPortInfoChnMode',
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'sw_type' => 'snSwPortInfoMediaType',
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'sw_speed' => 'snSwPortInfoSpeed',
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);
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%MUNGE = (
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%SNMP::Info::Layer3::MUNGE, %SNMP::Info::LLDP::MUNGE,
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%SNMP::Info::FDP::MUNGE,
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);
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sub i_ignore {
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my $foundry = shift;
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my $partial = shift;
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my $interfaces = $foundry->interfaces($partial) || {};
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my %i_ignore;
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foreach my $if ( keys %$interfaces ) {
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if ( $interfaces->{$if} =~ /(tunnel|loopback|\blo\b|lb|null)/i ) {
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$i_ignore{$if}++;
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}
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}
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return \%i_ignore;
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}
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sub i_duplex {
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my $foundry = shift;
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my $partial = shift;
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my $sw_index = $foundry->sw_index($partial);
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my $sw_duplex = $foundry->sw_duplex($partial);
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unless ( defined $sw_index and defined $sw_duplex ) {
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return $foundry->SUPER::i_duplex();
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}
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my %i_duplex;
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foreach my $sw_port ( keys %$sw_duplex ) {
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my $iid = $sw_index->{$sw_port};
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my $duplex = $sw_duplex->{$sw_port};
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next if $duplex =~ /none/i;
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$i_duplex{$iid} = 'half' if $duplex =~ /half/i;
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$i_duplex{$iid} = 'full' if $duplex =~ /full/i;
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}
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return \%i_duplex;
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}
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sub model {
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my $foundry = shift;
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my $id = $foundry->id();
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my $model = &SNMP::translateObj($id);
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# EdgeIron
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if ( $id =~ /\.1991\.1\.[45]\./ ) {
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my $e_name = $foundry->e_name();
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# Find entity table entry for "unit.1"
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my $unit_iid = undef;
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foreach my $e ( keys %$e_name ) {
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my $name = $e_name->{$e} || '';
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$unit_iid = $e if $name eq 'unit.1';
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}
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# Find Model Name
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my $e_model = $foundry->e_model();
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if ( defined $e_model->{$unit_iid} ) {
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return $e_model->{$unit_iid};
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}
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}
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return $id unless defined $model;
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$model =~ s/^sn//;
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return $model;
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}
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sub os {
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return 'foundry';
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}
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sub vendor {
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return 'foundry';
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}
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sub os_ver {
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my $foundry = shift;
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return $foundry->snAgImgVer() if ( defined $foundry->snAgImgVer() );
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# Some older ones don't have this value,so we cull it from the description
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my $descr = $foundry->description();
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if ( $descr =~ m/Version (\d\S*)/ ) {
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return $1;
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}
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# EdgeIron
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my $e_name = $foundry->e_name();
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# find entity table entry for "stackmanaget.1"
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my $unit_iid = undef;
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foreach my $e ( keys %$e_name ) {
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my $name = $e_name->{$e} || '';
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$unit_iid = $e if $name eq 'stackmanaget.1';
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}
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if ( defined $unit_iid ) {
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# Find Model Name
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my $e_fwver = $foundry->e_fwver();
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if ( defined $e_fwver->{$unit_iid} ) {
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return $e_fwver->{$unit_iid};
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}
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}
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# Last resort
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return $foundry->SUPER::os_ver();
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}
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sub serial {
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my $foundry = shift;
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# Return chassis serial number if available
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return $foundry->snChasSerNum() if ( $foundry->snChasSerNum() );
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# If no chassis serial use first module serial
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my $mod_serials = $foundry->snAgentConfigModuleSerialNumber();
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foreach my $mod ( sort keys %$mod_serials ) {
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my $serial = $mod_serials->{$mod} || '';
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next unless defined $serial;
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return $serial;
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}
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# EdgeIron
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my $e_name = $foundry->e_name();
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# find entity table entry for "unit.1"
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my $unit_iid = undef;
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foreach my $e ( keys %$e_name ) {
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my $name = $e_name->{$e} || '';
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$unit_iid = $e if $name eq 'unit.1';
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}
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if ( defined $unit_iid ) {
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# Look up serial of found entry.
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my $e_serial = $foundry->e_serial();
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return $e_serial->{$unit_iid} if defined $e_serial->{$unit_iid};
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}
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# Last resort
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return $foundry->SUPER::serial();
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}
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sub interfaces {
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my $foundry = shift;
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my $partial = shift;
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my $i_descr = $foundry->i_description($partial) || {};
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my $i_name = $foundry->i_name($partial) || {};
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# Use ifName for EdgeIrons else use ifDescr
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foreach my $iid ( keys %$i_name ) {
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my $name = $i_name->{$iid};
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next unless defined $name;
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$i_descr->{$iid} = $name
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if $name =~ /^port\d+/i;
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}
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return $i_descr;
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}
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# Reported hangs on a EdgeIron 24G
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sub stp_p_state {
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my $foundry = shift;
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my $partial = shift;
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my $descr = $foundry->description();
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if ( $descr =~ m/\bEdgeIron 24G\b/ ) {
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return;
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}
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return $foundry->SUPER::stp_p_state($partial) || {};
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}
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# Use FDP and/or LLDP
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sub hasCDP {
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my $foundry = shift;
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return $foundry->hasLLDP() || $foundry->SUPER::hasCDP();
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}
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sub c_ip {
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my $foundry = shift;
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my $partial = shift;
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my $cdp = $foundry->SUPER::c_ip($partial) || {};
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my $lldp = $foundry->lldp_ip($partial) || {};
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my %c_ip;
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foreach my $iid ( keys %$cdp ) {
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my $ip = $cdp->{$iid};
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next unless defined $ip;
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$c_ip{$iid} = $ip;
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}
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foreach my $iid ( keys %$lldp ) {
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my $ip = $lldp->{$iid};
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next unless defined $ip;
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$c_ip{$iid} = $ip;
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}
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return \%c_ip;
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}
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sub c_if {
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my $foundry = shift;
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my $partial = shift;
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my $lldp = $foundry->lldp_if($partial) || {};
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my $cdp = $foundry->SUPER::c_if($partial) || {};
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my %c_if;
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foreach my $iid ( keys %$cdp ) {
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my $if = $cdp->{$iid};
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next unless defined $if;
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$c_if{$iid} = $if;
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}
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foreach my $iid ( keys %$lldp ) {
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my $if = $lldp->{$iid};
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next unless defined $if;
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$c_if{$iid} = $if;
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}
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return \%c_if;
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}
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sub c_port {
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my $foundry = shift;
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my $partial = shift;
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my $lldp = $foundry->lldp_port($partial) || {};
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my $cdp = $foundry->SUPER::c_port($partial) || {};
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my %c_port;
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foreach my $iid ( keys %$cdp ) {
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my $port = $cdp->{$iid};
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next unless defined $port;
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$c_port{$iid} = $port;
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}
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foreach my $iid ( keys %$lldp ) {
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my $port = $lldp->{$iid};
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next unless defined $port;
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$c_port{$iid} = $port;
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}
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return \%c_port;
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}
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sub c_id {
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my $foundry = shift;
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my $partial = shift;
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my $lldp = $foundry->lldp_id($partial) || {};
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my $cdp = $foundry->SUPER::c_id($partial) || {};
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my %c_id;
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foreach my $iid ( keys %$cdp ) {
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my $id = $cdp->{$iid};
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next unless defined $id;
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$c_id{$iid} = $id;
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}
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foreach my $iid ( keys %$lldp ) {
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my $id = $lldp->{$iid};
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next unless defined $id;
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$c_id{$iid} = $id;
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}
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return \%c_id;
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}
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sub c_platform {
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my $foundry = shift;
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my $partial = shift;
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my $lldp = $foundry->lldp_rem_sysdesc($partial) || {};
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my $cdp = $foundry->SUPER::c_platform($partial) || {};
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my %c_platform;
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foreach my $iid ( keys %$cdp ) {
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my $platform = $cdp->{$iid};
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next unless defined $platform;
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$c_platform{$iid} = $platform;
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}
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foreach my $iid ( keys %$lldp ) {
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my $platform = $lldp->{$iid};
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next unless defined $platform;
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$c_platform{$iid} = $platform;
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}
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return \%c_platform;
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}
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1;
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__END__
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=head1 NAME
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SNMP::Info::Layer3::Foundry - SNMP Interface to Foundry Network Devices
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=head1 AUTHOR
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Max Baker
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=head1 SYNOPSIS
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# Let SNMP::Info determine the correct subclass for you.
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my $foundry = new SNMP::Info(
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AutoSpecify => 1,
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Debug => 1,
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DestHost => 'myswitch',
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Community => 'public',
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Version => 1
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)
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or die "Can't connect to DestHost.\n";
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my $class = $foundry->class();
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print "SNMP::Info determined this device to fall under subclass : $class\n";
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=head1 DESCRIPTION
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Abstraction subclass for Foundry Networks devices.
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For speed or debugging purposes you can call the subclass directly, but not
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after determining a more specific class using the method above.
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my $foundry = new SNMP::Info::Layer3::Foundry(...);
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=head2 Inherited Classes
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=over
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=item SNMP::Info::Layer3;
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=item SNMP::Info::FDP;
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=item SNMP::Info::LLDP;
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=back
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=head2 Required MIBs
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=over
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=item F<FOUNDRY-SN-ROOT-MIB>
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=item F<FOUNDRY-SN-AGENT-MIB>
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=item F<FOUNDRY-SN-SWITCH-GROUP-MIB>
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=item Inherited Classes' MIBs
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See L<SNMP::Info::Layer3/"Required MIBs"> for its own MIB requirements.
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See L<SNMP::Info::FDP/"Required MIBs"> for its own MIB requirements.
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See L<SNMP::Info::LLDP/"Required MIBs"> for its own MIB requirements.
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=back
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=head1 GLOBALS
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These are methods that return scalar value from SNMP
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=over
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=item $foundry->model()
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Returns model type. Checks $foundry->id() against the F<FOUNDRY-SN-ROOT-MIB>
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and removes 'C<sn>'. EdgeIron models determined through F<ENTITY-MIB>.
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=item $foundry->vendor()
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Returns 'foundry'
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=item $foundry->os()
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Returns 'foundry'
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=item $foundry->os_ver()
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Returns the software version
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=item $foundry->mac()
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Returns MAC Address of root port.
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(C<ifPhysAddress.1>)
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=item $foundry->chassis()
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Returns Chassis type.
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(C<entPhysicalDescr.1>)
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=item $foundry->serial()
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Returns serial number of device.
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=item $foundry->temp()
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Returns the chassis temperature
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(C<snChasActualTemperature>)
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=item $foundry->ps1_type()
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Returns the Description for the power supply
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(C<snChasPwrSupplyDescription.1>)
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=item $foundry->ps1_status()
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Returns the status of the power supply.
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(C<snChasPwrSupplyOperStatus.1>)
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=item $foundry->fan()
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Returns the status of the chassis fan.
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(C<snChasFanOperStatus.1>)
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=back
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=head2 Global Methods imported from SNMP::Info::Layer3
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See documentation in L<SNMP::Info::Layer3/"GLOBALS"> for details.
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=head2 Global Methods imported from SNMP::Info::FDP
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See documentation in L<SNMP::Info::FDP/"GLOBALS"> for details.
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=head2 Global Methods imported from SNMP::Info::LLDP
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See documentation in L<SNMP::Info::LLDP/"GLOBALS"> for details.
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=head1 TABLE METHODS
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These are methods that return tables of information in the form of a reference
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to a hash.
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=head2 Overrides
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=over
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=item $foundry->interfaces()
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Returns reference to hash of interface names to iids.
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=item $foundry->i_ignore()
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Returns reference to hash of interfaces to be ignored.
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Ignores interfaces with descriptions of tunnel,loopback,null
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=item $foundry->i_duplex()
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Returns reference to hash of interface link duplex status.
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Crosses $foundry->sw_duplex() with $foundry->sw_index()
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=item $foundry->stp_p_state()
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"The port's current state as defined by application of the Spanning Tree
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Protocol.
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Skipped if device is an EdgeIron 24G due to reports of hangs.
|
|
|
|
(C<dot1dStpPortState>)
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|
|
|
=back
|
|
|
|
=head2 Foundry Switch Port Information Table (C<snSwPortIfTable>)
|
|
|
|
=over
|
|
|
|
=item $foundry->sw_index()
|
|
|
|
Returns reference to hash. Maps Table to Interface IID.
|
|
|
|
(C<snSwPortIfIndex>)
|
|
|
|
=item $foundry->sw_duplex()
|
|
|
|
Returns reference to hash. Current duplex status for switch ports.
|
|
|
|
(C<snSwPortInfoChnMode>)
|
|
|
|
=item $foundry->sw_type()
|
|
|
|
Returns reference to hash. Current Port Type .
|
|
|
|
(C<snSwPortInfoMediaType>)
|
|
|
|
=item $foundry->sw_speed()
|
|
|
|
Returns reference to hash. Current Port Speed.
|
|
|
|
(C<snSwPortInfoSpeed>)
|
|
|
|
=back
|
|
|
|
=head2 Topology information
|
|
|
|
Based upon the software version devices may support Foundry Discovery
|
|
Protocol (FDP) and Link Layer Discovery Protocol (LLDP). These
|
|
methods will query both and return the combination of all information. As a
|
|
result, there may be identical topology information returned from the two
|
|
protocols causing duplicate entries. It is the calling program's
|
|
responsibility to identify any duplicate entries and remove duplicates if
|
|
necessary.
|
|
|
|
=over
|
|
|
|
=item $foundry->hasCDP()
|
|
|
|
Returns true if the device is running either FDP or LLDP.
|
|
|
|
=item $foundry->c_if()
|
|
|
|
Returns reference to hash. Key: iid Value: local device port (interfaces)
|
|
|
|
=item $foundry->c_ip()
|
|
|
|
Returns reference to hash. Key: iid Value: remote IPv4 address
|
|
|
|
If multiple entries exist with the same local port, c_if(), with the same IPv4
|
|
address, c_ip(), it may be a duplicate entry.
|
|
|
|
If multiple entries exist with the same local port, c_if(), with different
|
|
IPv4 addresses, c_ip(), there is either a non-FDP/LLDP device in between two
|
|
or more devices or multiple devices which are not directly connected.
|
|
|
|
Use the data from the Layer2 Topology Table below to dig deeper.
|
|
|
|
=item $foundry->c_port()
|
|
|
|
Returns reference to hash. Key: iid Value: remote port (interfaces)
|
|
|
|
=item $foundry->c_id()
|
|
|
|
Returns reference to hash. Key: iid Value: string value used to identify the
|
|
chassis component associated with the remote system.
|
|
|
|
=item $foundry->c_platform()
|
|
|
|
Returns reference to hash. Key: iid Value: Remote Device Type
|
|
|
|
=back
|
|
|
|
=head2 Table Methods imported from SNMP::Info::Layer3
|
|
|
|
See documentation in L<SNMP::Info::Layer3/"TABLE METHODS"> for details.
|
|
|
|
=head2 Table Methods imported from SNMP::Info::FDP
|
|
|
|
See documentation in L<SNMP::Info::FDP/"TABLE METHODS"> for details.
|
|
|
|
=head2 Table Methods imported from SNMP::Info::LLDP
|
|
|
|
See documentation in L<SNMP::Info::LLDP/"TABLE METHODS"> for details.
|
|
|
|
=cut
|