766 lines
19 KiB
Perl
766 lines
19 KiB
Perl
# SNMP::Info::Layer3::Juniper
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# $Id$
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#
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# Copyright (c) 2008 Bill Fenner
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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::Juniper;
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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::LLDP;
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@SNMP::Info::Layer3::Juniper::ISA = qw/SNMP::Info::Layer3 SNMP::Info::LLDP Exporter/;
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@SNMP::Info::Layer3::Juniper::EXPORT_OK = qw//;
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use vars qw/$VERSION $DEBUG %GLOBALS %MIBS %FUNCS %MUNGE/;
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$VERSION = '3.05';
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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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'JUNIPER-CHASSIS-DEFINES-MIB' => 'jnxChassisDefines',
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'JUNIPER-MIB' => 'jnxBoxAnatomy',
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'JUNIPER-VIRTUALCHASSIS-MIB' => 'jnxVirtualChassisMemberTable',
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'JUNIPER-VLAN-MIB' => 'jnxVlanMIBObjects',
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);
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%GLOBALS = ( %SNMP::Info::Layer3::GLOBALS,
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%SNMP::Info::LLDP::GLOBALS,
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'serial' => 'jnxBoxSerialNo.0',
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'mac' => 'dot1dBaseBridgeAddress',
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'box_descr' => 'jnxBoxDescr'
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);
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%FUNCS = ( %SNMP::Info::Layer3::FUNCS,
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%SNMP::Info::LLDP::FUNCS,
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# JUNIPER-VLAN-MIB::jnxExVlanTable
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'v_index' => 'jnxExVlanTag',
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'v_type' => 'jnxExVlanType',
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'v_name' => 'jnxExVlanName',
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# JUNIPER-VLAN-MIB::jnxExVlanPortGroupTable
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'i_trunk' => 'jnxExVlanPortAccessMode',
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# JUNPIER-MIB
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'e_contents_type' => 'jnxContentsType',
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'e_containers_type' => 'jnxContainersType',
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'e_hwver' => 'jnxContentsRevision',
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);
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%MUNGE = ( %SNMP::Info::Layer3::MUNGE,
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%SNMP::Info::LLDP::MUNGE,
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'e_containers_type' => \&SNMP::Info::munge_e_type,
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'e_contents_type' => \&SNMP::Info::munge_e_type,
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);
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sub vendor {
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return 'juniper';
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}
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sub os {
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return 'junos';
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}
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sub os_ver {
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my $juniper = shift;
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my $descr = $juniper->description() || '';
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my $lldp_descr = $juniper->lldp_sysdesc() || '';
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if ( $descr =~ m/kernel JUNOS (\S+)/ ) {
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return $1;
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}
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elsif ( $lldp_descr =~ m/version\s(\S+)\s/ ) {
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return $1;
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}
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return;
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}
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sub model {
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my $l3 = shift;
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my $id = $l3->id();
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unless ( defined $id ) {
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print
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" SNMP::Info::Layer3::Juniper::model() - Device does not support sysObjectID\n"
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if $l3->debug();
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return;
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}
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my $model = &SNMP::translateObj($id);
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return $id unless defined $model;
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$model =~ s/^jnxProductName//i;
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return $model;
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}
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# Override the fancy Layer3.pm serial function
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sub serial {
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my $juniper = shift;
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return $juniper->orig_serial();
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}
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# 'i_trunk' => 'jnxExVlanPortAccessMode',
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sub i_trunk {
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my $juniper = shift;
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my $partial = shift;
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my $access = $juniper->jnxExVlanPortAccessMode($partial);
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my %i_trunk;
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foreach (keys %$access)
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{
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my $old_key = $_;
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m/^\d+\.(\d+)$/o;
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my $new_key = $1;
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$i_trunk{$new_key} = $access->{$old_key};
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}
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return \%i_trunk;
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}
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# 'v_type' => 'jnxExVlanType',
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sub v_type {
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my $juniper = shift;
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my $partial = shift;
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my $v_type = $juniper->jnxExVlanType($partial);
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return $v_type;
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}
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# 'v_index' => 'jnxExVlanTag',
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sub v_index {
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my ($juniper) = shift;
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my ($partial) = shift;
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my ($v_index) = $juniper->jnxExVlanTag($partial);
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return $v_index;
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}
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sub i_vlan {
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my $juniper = shift;
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my $partial = shift;
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my $index = $juniper->bp_index();
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# If given a partial it will be an ifIndex, we need to use dot1dBasePort
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if ($partial) {
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my %r_index = reverse %$index;
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$partial = $r_index{$partial};
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}
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my $v_index = $juniper->jnxExVlanTag();
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my $i_pvid = $juniper->qb_i_vlan($partial) || {};
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my $i_vlan = {};
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foreach my $bport ( keys %$i_pvid ) {
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my $q_vlan = $i_pvid->{$bport};
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my $vlan = $v_index->{$q_vlan};
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my $ifindex = $index->{$bport};
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unless ( defined $ifindex ) {
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print " Port $bport has no bp_index mapping. Skipping.\n"
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if $DEBUG;
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next;
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}
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$i_vlan->{$ifindex} = $vlan;
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}
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return $i_vlan;
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}
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sub i_vlan_membership {
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my $juniper = shift;
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my $partial = shift;
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my $index = $juniper->bp_index();
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my ($v_index) = $juniper->jnxExVlanTag($partial);
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my $v_ports = $juniper->qb_v_egress() || {};
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my $i_vlan_membership = {};
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foreach my $idx ( sort keys %$v_ports ) {
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next unless ( defined $v_ports->{$idx} );
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my $portlist = $v_ports->{$idx}; # is an array reference
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my $ret = [];
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my $vlan_ndx = $idx;
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# Convert portlist bit array to bp_index array
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for ( my $i = 0; $i <= $#$portlist; $i++ ) {
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push( @{$ret}, $i + 1 ) if ( @$portlist[$i] );
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}
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#Create HoA ifIndex -> VLAN array
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foreach my $port ( @{$ret} ) {
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my $ifindex = $index->{$port};
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next unless ( defined($ifindex) ); # shouldn't happen
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next if ( defined $partial and $ifindex !~ /^$partial$/ );
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push ( @{ $i_vlan_membership->{$ifindex} }, $v_index->{$vlan_ndx} );
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}
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}
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return $i_vlan_membership;
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}
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# Use Q-BRIDGE-MIB for bridge forwarding tables
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sub fw_mac {
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my $juniper = shift;
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my $partial = shift;
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return $juniper->qb_fw_mac($partial);
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}
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sub fw_port {
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my $juniper = shift;
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my $partial = shift;
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return $juniper->qb_fw_port($partial);
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}
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# Pseudo ENTITY-MIB methods
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# This class supports both virtual chassis (stackable) and physical chassis
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# based devices, identify if we have a virtual chassis so that we return
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# appropriate entPhysicalClass and correct ordering
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sub _e_is_virtual {
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my $juniper = shift;
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my $v_test = $juniper->jnxVirtualChassisMemberRole() || {};
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#If we are functioning as a stack someone should be master
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foreach my $iid ( keys %$v_test ) {
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my $role = $v_test->{$iid};
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return 1 if ($role =~ /master/i);
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}
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return 0;
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}
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sub _e_virtual_index {
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my $juniper = shift;
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my $containers = $juniper->jnxContainersWithin() || {};
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my $members = $juniper->jnxVirtualChassisMemberRole() || {};
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my %v_index;
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foreach my $key (keys %$containers) {
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foreach my $member ( keys %$members ) {
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# Virtual chassis members start at zero
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$member++;
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# We will be duplicating and eliminating some keys,
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# but this is for the benefit of e_parent()
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my $index = sprintf ("%02d", $key) . sprintf ("%02d", $member) . "0000";
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my $iid = "$key\.$member\.0\.0";
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$v_index{$iid} = $index;
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}
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unless ($containers->{$key}) {
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my $index = sprintf ("%02d", $key) . "000000";
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$v_index{$key} = $index;
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}
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}
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return \%v_index;
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}
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sub e_index {
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my $juniper = shift;
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my $contents = $juniper->jnxContentsDescr() || {};
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my $containers = $juniper->jnxContainersDescr() || {};
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my $virtuals = $juniper->_e_virtual_index() || {};
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my $is_virtual = $juniper->_e_is_virtual();
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# Format into consistent integer format so that numeric sorting works
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my %e_index;
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if ($is_virtual) {
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foreach my $key ( keys %$virtuals ) {
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$e_index{$key} = $virtuals->{$key};
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}
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}
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else {
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foreach my $key ( keys %$containers ) {
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$e_index{$key} = sprintf ("%02d", $key) . "000000";
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}
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}
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foreach my $key ( keys %$contents ) {
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$e_index{$key} = join( '', map { sprintf "%02d", $_ } split /\./, $key );
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}
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return \%e_index;
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}
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sub e_class {
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my $juniper = shift;
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my $e_index = $juniper->e_index() || {};
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my $fru_type = $juniper->jnxFruType() || {};
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my $c_type = $juniper->jnxContainersDescr() || {};
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my $is_virtual = $juniper->_e_is_virtual();
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my %e_class;
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foreach my $iid ( keys %$e_index ) {
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my $type = $fru_type->{$iid} || 0;
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my $container = $c_type->{$iid} || 0;
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if ( $type =~ /power/i ) {
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$e_class{$iid} = 'powerSupply';
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}
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elsif ( $type =~ /fan/i ) {
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$e_class{$iid} = 'fan';
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}
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elsif ( $type ) {
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$e_class{$iid} = 'module';
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}
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# Shouldn't get here if we have type which means
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# we only have container, chassis, and stack left
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elsif (($container =~ /chassis/i) and (!$is_virtual) ) {
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$e_class{$iid} = 'chassis';
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}
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elsif (($container =~ /chassis/i) and ($is_virtual)) {
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$e_class{$iid} = 'stack';
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}
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# Were calling the second level chassis a container in the case
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# of a virtual chassis but not sure that it really matters
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else {
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$e_class{$iid} = 'container';
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}
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}
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return \%e_class;
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}
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sub e_descr {
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my $juniper = shift;
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my $e_index = $juniper->e_index() || {};
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my $box_descr = $juniper->box_descr;
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my $contents = $juniper->jnxContentsDescr() || {};
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my $containers = $juniper->jnxContainersDescr() || {};
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my %e_descr;
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foreach my $iid ( keys %$e_index ) {
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my $content_descr = $contents->{$iid} || 0;
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my $container_descr = $containers->{$iid} || 0;
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if ($content_descr) {
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$e_descr{$iid} = $content_descr;
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}
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elsif ($container_descr and $container_descr !~ /chassis/) {
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$e_descr{$iid} = $container_descr;
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}
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elsif ($container_descr and $container_descr =~ /chassis/) {
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$e_descr{$iid} = $box_descr;
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}
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# We should only be left with virtual entries created in
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# _e_virtual_index()
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elsif ($iid =~ /^(\d+)\.(\d+)(\.0)+?/) {
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my $descr = $containers->{$1};
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$e_descr{$iid} = $descr;
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}
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# Anything past here undef
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}
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return \%e_descr;
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}
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sub e_serial {
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my $juniper = shift;
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my $e_index = $juniper->e_index() || {};
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my $serials = $juniper->jnxContentsSerialNo() || {};
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my $e_class = $juniper->e_class() || {};
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my $is_virtual = $juniper->_e_is_virtual();
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my $box_serial = $juniper->serial();
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my %e_serial;
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foreach my $iid ( keys %$e_index ) {
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my $serial = $serials->{$iid} || '';
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my $class = $e_class->{$iid} || '';
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# Chassis serial number is seperate on true chassis
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# Virtual chassis (stack) report master switch serial
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if (!$is_virtual and ($class =~ /chassis/i)){
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$e_serial{$iid} = $box_serial;
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}
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elsif (($serial !~ /^\w/) or ($serial =~ /builtin/i)) {
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next;
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}
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else {
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$e_serial{$iid} = $serial;
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}
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}
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return \%e_serial;
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}
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sub e_fru {
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my $juniper = shift;
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my $e_index = $juniper->e_index() || {};
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my $frus = $juniper->jnxContentsPartNo() || {};
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my %e_fru;
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foreach my $iid ( keys %$e_index ) {
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my $fru = $frus->{$iid} || '';
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if ( ($fru !~ /^\w/) or ($fru =~ /builtin/i)) {
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$e_fru{$iid} = "false";
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}
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else {
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$e_fru{$iid} = "true";
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}
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}
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return \%e_fru;
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}
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sub e_type {
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my $juniper = shift;
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my $e_index = $juniper->e_index() || {};
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my $contents = $juniper->e_contents_type() || {};
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my $containers = $juniper->e_containers_type() || {};
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my %e_type;
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foreach my $iid ( keys %$e_index ) {
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my $content_type = $contents->{$iid} || 0;
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my $container_type = $containers->{$iid} || 0;
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if ($content_type) {
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$content_type =~ s/\.0//;
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$e_type{$iid} = $content_type;
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}
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elsif ($container_type) {
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$container_type =~ s/\.0//;
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$e_type{$iid} = $container_type;
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}
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# We should only be left with virtual entries created in
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# _e_virtual_index()
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elsif ($iid =~ /^(\d+)\.(\d+)(\.0)+?/) {
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my $descr = $containers->{$1};
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$descr =~ s/\.0//;
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$e_type{$iid} = $descr;
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}
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# Anything past here undef
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}
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return \%e_type;
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}
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sub e_vendor {
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my $juniper = shift;
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my $e_idx = $juniper->e_index() || {};
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my %e_vendor;
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foreach my $iid ( keys %$e_idx ) {
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$e_vendor{$iid} = 'juniper';
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}
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return \%e_vendor;
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}
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sub e_pos {
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my $juniper = shift;
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# We could look at index levels, but his will work as well
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return $juniper->e_index();
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}
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sub e_parent {
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my $juniper = shift;
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my $e_idx = $juniper->e_index() || {};
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my $c_within = $juniper->jnxContainersWithin() || {};
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my $e_descr = $juniper->e_descr() || {};
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my $is_virtual = $juniper->_e_is_virtual();
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my %e_parent;
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foreach my $iid ( keys %$e_idx ) {
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next unless $iid;
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my ($idx, $l1,$l2, $l3) = split /\./, $iid;
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my $within = $c_within->{$idx};
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my $descr = $e_descr->{$iid};
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|
|
|
if ( !$is_virtual and ($iid =~ /^(\d+)\.\d+/) ) {
|
|
$e_parent{$iid} = sprintf ("%02d", $1) . "000000";
|
|
}
|
|
elsif ( $is_virtual and ($descr =~ /chassis/i) and ($iid =~ /^(\d+)\.(\d+)(\.0)+?/) ) {
|
|
$e_parent{$iid} = sprintf ("%02d", $1) . "000000";
|
|
}
|
|
elsif ( $is_virtual and ($iid =~ /^(\d+)\.(\d+)(\.0)+?/) ) {
|
|
$e_parent{$iid} = sprintf ("%02d", $within) . sprintf ("%02d", $2) . "0000";
|
|
}
|
|
elsif ( $is_virtual and ($iid =~ /^(\d+)\.(\d+)\.[1-9]+/) ) {
|
|
$e_parent{$iid} = sprintf ("%02d", $1) . sprintf ("%02d", $2) . "0000";
|
|
}
|
|
elsif ( defined $within and $iid =~ /\d+/ ) {
|
|
$e_parent{$iid} = sprintf ("%02d", $within) . "000000";
|
|
}
|
|
else {
|
|
next;
|
|
}
|
|
}
|
|
return \%e_parent;
|
|
}
|
|
|
|
1;
|
|
__END__
|
|
|
|
=head1 NAME
|
|
|
|
SNMP::Info::Layer3::Juniper - SNMP Interface to L3 Juniper Devices
|
|
|
|
=head1 AUTHOR
|
|
|
|
Bill Fenner
|
|
|
|
=head1 SYNOPSIS
|
|
|
|
# Let SNMP::Info determine the correct subclass for you.
|
|
my $juniper = new SNMP::Info(
|
|
AutoSpecify => 1,
|
|
Debug => 1,
|
|
DestHost => 'myrouter',
|
|
Community => 'public',
|
|
Version => 2
|
|
)
|
|
or die "Can't connect to DestHost.\n";
|
|
|
|
my $class = $juniper->class();
|
|
print "SNMP::Info determined this device to fall under subclass : $class\n";
|
|
|
|
=head1 DESCRIPTION
|
|
|
|
Subclass for Juniper Devices running JUNOS
|
|
|
|
=head2 Inherited Classes
|
|
|
|
=over
|
|
|
|
=item SNMP::Info::Layer3
|
|
|
|
=item SNMP::Info::LLDP
|
|
|
|
=back
|
|
|
|
=head2 Required MIBs
|
|
|
|
=over
|
|
|
|
=item F<JUNIPER-VLAN-MIB> dated "200901090000Z" or later.
|
|
|
|
=item F<JUNIPER-CHASSIS-DEFINES-MIB>
|
|
|
|
=item F<JUNIPER-MIB>
|
|
|
|
=item F<JUNIPER-VIRTUALCHASSIS-MIB>
|
|
|
|
=back
|
|
|
|
=head2 Inherited Classes' MIBs
|
|
|
|
See L<SNMP::Info::Layer3/"Required MIBs"> for its own MIB requirements.
|
|
|
|
See L<SNMP::Info::LLDP/"Required MIBs"> for its own MIB requirements.
|
|
|
|
=head1 GLOBALS
|
|
|
|
These are methods that return scalar value from SNMP
|
|
|
|
=over
|
|
|
|
=item $juniper->vendor()
|
|
|
|
Returns 'juniper'
|
|
|
|
=item $juniper->os()
|
|
|
|
Returns 'junos'
|
|
|
|
=item $juniper->os_ver()
|
|
|
|
Returns the software version extracted first from C<sysDescr> or
|
|
C<lldpLocSysDesc> if not available in C<sysDescr>.
|
|
|
|
=item $juniper->model()
|
|
|
|
Returns the model from C<sysObjectID>, with C<jnxProductName> removed from the
|
|
beginning.
|
|
|
|
=item $juniper->serial()
|
|
|
|
Returns serial number
|
|
|
|
(C<jnxBoxSerialNo.0>)
|
|
|
|
=item $juniper->mac()
|
|
|
|
Returns the MAC address used by this bridge when it must be referred
|
|
to in a unique fashion.
|
|
|
|
(C<dot1dBaseBridgeAddress>)
|
|
|
|
=item $juniper->box_descr()
|
|
|
|
The name, model, or detailed description of the device.
|
|
|
|
(C<jnxBoxDescr.0>)
|
|
|
|
=back
|
|
|
|
=head2 Globals imported from SNMP::Info::Layer3
|
|
|
|
See documentation in L<SNMP::Info::Layer3/"GLOBALS"> for details.
|
|
|
|
=head2 Global Methods imported from SNMP::Info::LLDP
|
|
|
|
See documentation in L<SNMP::Info::LLDP/"GLOBALS"> for details.
|
|
|
|
=head1 TABLE METHODS
|
|
|
|
These are methods that return tables of information in the form of a reference
|
|
to a hash.
|
|
|
|
=over
|
|
|
|
=item $juniper->v_index()
|
|
|
|
(C<jnxExVlanTag>)
|
|
|
|
=item $juniper->v_name()
|
|
|
|
(C<jnxExVlanName>)
|
|
|
|
=item $juniper->v_type()
|
|
|
|
(C<jnxExVlanType>)
|
|
|
|
=item $juniper->i_trunk()
|
|
|
|
(C<jnxExVlanPortAccessMode>)
|
|
|
|
=item $juniper->i_vlan()
|
|
|
|
Returns a mapping between C<ifIndex> and the PVID or default VLAN.
|
|
|
|
=item $juniper->i_vlan_membership()
|
|
|
|
Returns reference to hash of arrays: key = C<ifIndex>, value = array of VLAN
|
|
IDs. These are the VLANs which are members of the egress list for the port.
|
|
|
|
=back
|
|
|
|
=head2 Forwarding Table (C<dot1dTpFdbEntry>)
|
|
|
|
=over
|
|
|
|
=item $juniper->fw_mac()
|
|
|
|
Returns reference to hash of forwarding table MAC Addresses
|
|
|
|
(C<dot1dTpFdbAddress>)
|
|
|
|
=item $juniper->fw_port()
|
|
|
|
Returns reference to hash of forwarding table entries port interface
|
|
identifier (iid)
|
|
|
|
(C<dot1dTpFdbPort>)
|
|
|
|
=back
|
|
|
|
=head2 Pseudo F<ENTITY-MIB> information
|
|
|
|
These methods emulate F<ENTITY-MIB> Physical Table methods using
|
|
F<JUNIPER-MIB> and F<JUNIPER-VIRTUALCHASSIS-MIB>.
|
|
|
|
=over
|
|
|
|
=item $juniper->e_index()
|
|
|
|
Returns reference to hash. Key: IID, Value: Integer, Indices are combined
|
|
into a eight digit integer, each index is two digits padded with leading zero
|
|
if required.
|
|
|
|
=item $juniper->e_class()
|
|
|
|
Returns reference to hash. Key: IID, Value: General hardware type.
|
|
|
|
=item $juniper->e_descr()
|
|
|
|
Returns reference to hash. Key: IID, Value: Human friendly name
|
|
|
|
=item $juniper->e_hwver()
|
|
|
|
Returns reference to hash. Key: IID, Value: Hardware version
|
|
|
|
=item $juniper->e_vendor()
|
|
|
|
Returns reference to hash. Key: IID, Value: juniper
|
|
|
|
=item $juniper->e_serial()
|
|
|
|
Returns reference to hash. Key: IID, Value: Serial number
|
|
|
|
=item $juniper->e_pos()
|
|
|
|
Returns reference to hash. Key: IID, Value: The relative position among all
|
|
entities sharing the same parent.
|
|
|
|
=item $juniper->e_type()
|
|
|
|
Returns reference to hash. Key: IID, Value: Type of component/sub-component
|
|
as defined in F<JUNIPER-CHASSIS-DEFINES-MIB>.
|
|
|
|
=item $juniper->e_parent()
|
|
|
|
Returns reference to hash. Key: IID, Value: The value of e_index() for the
|
|
entity which 'contains' this entity. A value of zero indicates this entity
|
|
is not contained in any other entity.
|
|
|
|
=item $entity->e_fru()
|
|
|
|
BOOLEAN. Is a Field Replaceable unit?
|
|
|
|
(C<entPhysicalFRU>)
|
|
|
|
=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::LLDP
|
|
|
|
See documentation in L<SNMP::Info::LLDP/"TABLE METHODS"> for details.
|
|
|
|
=cut
|