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xcat-core/xCAT-vlan/xCAT_plugin/vlan/CiscoSwitch.pm
linggao 220374b22f add files for xCAT-vlan
2015-01-27 12:09:37 -05:00

624 lines
21 KiB
Perl
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#!/usr/bin/perl
package xCAT_plugin::vlan::CiscoSwitch;
BEGIN
{
$::XCATROOT = $ENV{'XCATROOT'} ? $ENV{'XCATROOT'} : '/opt/xcat';
}
use lib "$::XCATROOT/lib/perl";
use strict;
use xCAT::MacMap;
use Data::Dumper;
use xCAT::SwitchHandler;
use SNMP;
#IF-MIB
my $ifName='.1.3.6.1.2.1.31.1.1.1.1';
my $ifDescr='.1.3.6.1.2.1.2.2.1.2';
my $ifOperStatus='.1.3.6.1.2.1.2.2.1.8';
#CISCO-VTP-MIB
my $vtpVlanEditTable='.1.3.6.1.4.1.9.9.46.1.4.2';
my $vtpVlanEditOperation='.1.3.6.1.4.1.9.9.46.1.4.1.1.1';
my $vtpVlanEditBufferOwner='.1.3.6.1.4.1.9.9.46.1.4.1.1.3';
my $vtpVlanEditRowStatus='.1.3.6.1.4.1.9.9.46.1.4.2.1.11.1';
my $vtpVlanEditType='.1.3.6.1.4.1.9.9.46.1.4.2.1.3.1';
my $vtpVlanEditName='.1.3.6.1.4.1.9.9.46.1.4.2.1.4.1';
my $vtpVlanEditDot10Said='.1.3.6.1.4.1.9.9.46.1.4.2.1.6.1';
my $vtpVlanState='.1.3.6.1.4.1.9.9.46.1.3.1.1.2';
my $vlanTrunkPortDynamicStatus='.1.3.6.1.4.1.9.9.46.1.6.1.1.14';
my $vlanTrunkPortDynamicState='.1.3.6.1.4.1.9.9.46.1.6.1.1.13';
my $vlanTrunkPortNativeVlan= '.1.3.6.1.4.1.9.9.46.1.6.1.1.5';
my $vlanTrunkPortVlansEnabled='.1.3.6.1.4.1.9.9.46.1.6.1.1.4';
my $vlanTrunkPortEncapsulationType='.1.3.6.1.4.1.9.9.46.1.6.1.1.3';
#CISCO-VLAN-MEMBERSHIP-MIB
my $vmVlan='.1.3.6.1.4.1.9.9.68.1.2.2.1.2';
my $vmVlanType='.1.3.6.1.4.1.9.9.68.1.2.2.1.1'; #1:static 2:dynamic 3:trunk
#CISCI-STP-EXTENSION-MIB
my $stpxRootGuardConfigEnabled='1.3.6.1.4.1.9.9.82.1.5.1.1.2'; #1:enable 2:disable
my $stpxFastStartPortBpduGuardMode='1.3.6.1.4.1.9.9.82.1.9.3.1.4'; #1:enable 2:disable 3:default
my %HexConv=( 0=>0x80, 1=>0x40, 2=>0x20, 3=>0x10,
4=>0x08, 5=>0x04, 6=>0x02, 7=>0x01);
#--------------------------------------------------------------
=head3 filter_string
Every switch plugin must implement this subroutine.
The return value will be used comare against the string
from sysDescr value from snmpget. If the latter contains
this string, then this mudule will be used to handle the
requests for vlan configuration.
=cut
#-------------------------------------------------------------
sub filter_string {
return "Cisco ";
}
#--------------------------------------------------------------
=head3 get_vlan_ids
Every switch plugin must implement this subroutine.
It gets the existing vlan IDs for the switch.
Returns: an array containing all the vlan ids for the switch
=cut
#-------------------------------------------------------------
sub get_vlan_ids {
my $session=shift;
my $vlanmap = xCAT::MacMap::walkoid($session, "$vtpVlanState.1", silentfail=>1);
my %vlanids=();
foreach(keys(%$vlanmap)) {
$vlanids{$_}=1;
}
my @ret=(sort keys(%vlanids));
print "ids=@ret\n";
return @ret;
}
#--------------------------------------------------------------
=head3 get_vlanids_for_ports
Every switch plugin must implement this subroutine.
It returns a hash pointer that contains the vlan ids for each given port.
The kay is the port, the vlaue is a pointer to an array.
=cut
#-------------------------------------------------------------
sub get_vlanids_for_ports {
my $session=shift;
my @ports=@_;
my $namemap = xCAT::MacMap::walkoid($session, $ifName);
#namemap is the mapping of ifIndex->(human readable name)
if ($namemap) {
my $ifnamesupport=0;
foreach (keys %{$namemap}) {
if ($namemap->{$_}) {
$ifnamesupport=1;
last;
}
}
unless ($ifnamesupport) {
$namemap=0;
}
}
unless ($namemap) { #Failback to ifDescr. ifDescr is close, but not perfect on some switches
$namemap = xCAT::MacMap::walkoid($session,$ifDescr);
}
unless ($namemap) {
return;
}
#print "namemap=" . Dumper($namemap) . "\n";
my $iftovlanmap = xCAT::MacMap::walkoid($session, $vmVlan, silentfail=>1);
#print "iftovlanmap=" . Dumper($iftovlanmap) . "\n";
my $trunktovlanmap = xCAT::MacMap::walkoid($session, $vlanTrunkPortNativeVlan, silentfail=>1); #for trunk ports, we are interested in the native vlan
#print "trunktovlanmap=" . Dumper($trunktovlanmap) . "\n";
my %ret=();
if (defined($iftovlanmap) or defined($trunktovlanmap)) {
foreach my $portid (keys %{$namemap}) {
my $switchport = $namemap->{$portid};
foreach my $portname (@ports) {
unless (xCAT::MacMap::namesmatch($portname,$switchport)) {
next;
}
if (defined $iftovlanmap->{$portid}) {
$ret{$portname}=[$iftovlanmap->{$portid}];
} elsif (defined $trunktovlanmap->{$portid}){
$ret{$portname}=[$trunktovlanmap->{$portid}];
} else {
$ret{$portname}=['NA'];
}
}
}
}
return \%ret;
}
#--------------------------------------------------------------
=head3 create_vlan
Every switch plugin must implement this subroutine.
Creates a new vlan on the switch
Returns an array. (erorcode, errormsg). When errorcode=0, means no error.
=cut
#-------------------------------------------------------------
sub create_vlan {
my $session=shift;
my $vlan_id=shift;
my $vlan_name="xcat_vlan_" . $vlan_id;
print "Cisco\n";
#Verify if the edition is in use by another NMS station or device.
#The edition is not in use if you see this message: no MIB objects contained under subtree:
my $tmp = xCAT::MacMap::walkoid($session,$vtpVlanEditTable);
#print "tmp=" . Dumper($tmp) . "\n";
#Set the vtpVlanEditOperation to the copy state(2). This allows to create the VLAN.
my @ret= xCAT::SwitchHandler::setoid($session, $vtpVlanEditOperation, 1, 2, 'INTEGER');
#if ($ret[0] != 0) { return @ret; }
#set vtpVlanEditBufferOwner in order to makethe current owner of the edit permission visible
my $username="xcat";
my @ret=xCAT::SwitchHandler::setoid($session,$vtpVlanEditBufferOwner, 1, $username, 'OCTET');
if ($ret[0] != 0) {
$ret[1]="Set vtpVlanEditBufferOwner $vtpVlanEditBufferOwner.1 to $username.\n" .$ret[1];
return @ret;
}
#my $tmp = xCAT::MacMap::walkoid($session, $vtpVlanEditOperation);
#print "tmp=" . Dumper($tmp) . "\n";
#my $tmp = xCAT::MacMap::walkoid($session, $vtpVlanEditBufferOwner);
#print "tmp=" . Dumper($tmp) . "\n";
#set vtpVlanEditRowStatus to createAndGo(4)
my @ret= xCAT::SwitchHandler::setoid($session, $vtpVlanEditRowStatus, $vlan_id, 4, 'INTEGER');
if ($ret[0] != 0) {
$ret[1]="Set vtpVlanEditRowStatus $vtpVlanEditRowStatus.$vlan_id to 4.\n" . $ret[1];
return @ret;
}
#set vtpVlanEditType to ethernet (1)
my @ret= xCAT::SwitchHandler::setoid($session,$vtpVlanEditType, $vlan_id, 1, 'INTEGER');
if ($ret[0] != 0) {
$ret[1]="Set vtpVlanEditType $vtpVlanEditType.$vlan_id to 1.\n" . $ret[1];
return @ret;
}
#set vtpVlanEditName to xcat_vlan_#
my @ret= xCAT::SwitchHandler::setoid($session,$vtpVlanEditName, $vlan_id, $vlan_name, 'OCTET');
if ($ret[0] != 0) {
$ret[1]="Set vtpVlanEditName $vtpVlanEditName.$vlan_id to $vlan_name.\n" . $ret[1];
return @ret;
}
#Set the vtpVlanEditDot10Said. This is the VLAN number + 100000 translated to hexadecimal.
my $num=100000 + $vlan_id;
my $hex_num=sprintf("%x", $num);
my @ret= xCAT::SwitchHandler::setoid($session,$vtpVlanEditDot10Said, $vlan_id, $hex_num, 'OCTETHEX');
#if ($ret[0] != 0) {
# $ret[1]="Set vtpVlanEditDot10Said $vtpVlanEditDot10Said.$vlan_id to $hex_num.\n" . $ret[1];
#return @ret;
#}
#apply the changes, set vtpVlanEditOperation.1 to apply (3)
my @ret= xCAT::SwitchHandler::setoid($session, $vtpVlanEditOperation, 1, 3, 'INTEGER');
if ($ret[0] != 0) {
$ret[1]="Set vtpVlanEditOperation $vtpVlanEditOperation.1 to 3.\n" . $ret[1];
return @ret;
}
#release the edition buffer, set vtpVlanEditOperation.1 to release (4)
my @ret= xCAT::SwitchHandler::setoid($session, $vtpVlanEditOperation, 1, 4, 'INTEGER');
if ($ret[0] != 0) {
$ret[1]="Set vtpVlanEditOperation $vtpVlanEditOperation.1 to 4.\n" . $ret[1];
return @ret;
}
return (0, "");
}
#--------------------------------------------------------------
=head3 add_ports_to_vlan
Every switch plugin must implement this subroutine.
Adds the given ports to the existing vlan
Returns an array. (erorcode, errormsg). When errorcode=0, means no error.
=cut
#-------------------------------------------------------------
sub add_ports_to_vlan {
my $session=shift;
my $vlan_id=shift;
# If portmode is set, we'll set the switchport to untagged(access) mode.
my $portmode=shift;
my @ports=@_;
#print "Add ports @ports to vla $vlan_id.\n";
#add ports to the vlan.
if (@ports > 0) {
my $namemap = xCAT::MacMap::walkoid($session,$ifName);
#namemap is the mapping of ifIndex->(human readable name)
if ($namemap) {
my $ifnamesupport=0; #Assume broken ifnamesupport until proven good... (Nortel switch)
foreach (keys %{$namemap}) {
if ($namemap->{$_}) {
$ifnamesupport=1;
last;
}
}
unless ($ifnamesupport) {
$namemap=0;
}
}
unless ($namemap) { #Failback to ifDescr. ifDescr is close, but not perfect on some switches
$namemap = xCAT::MacMap::walkoid($session, $ifDescr);
}
unless ($namemap) {
return;
}
#print "namemap=" . Dumper($namemap) . "\n";
my $trunkportstate = xCAT::MacMap::walkoid($session,$vlanTrunkPortDynamicState);
#print "trunkportstate=" . Dumper($trunkportstate) . "\n";
my $iftovlanmap = xCAT::MacMap::walkoid($session, $vmVlan, silentfail=>1);
#print "iftovlanmap=" . Dumper($iftovlanmap) . "\n";
my $trunktovlanmap = xCAT::MacMap::walkoid($session, $vlanTrunkPortNativeVlan, silentfail=>1);
#print "trunktovlanmap=" . Dumper($trunktovlanmap) . "\n";
#get current vlan type (static, dynamic or trunk)
my $vlantypemap = xCAT::MacMap::walkoid($session, $vmVlanType, silentfail=>1);
#print "vlantypemap=" . Dumper($vlantypemap) . "\n";
foreach my $portid (keys %{$namemap}) {
my $switchport = $namemap->{$portid};
foreach my $portname (@ports) {
unless (xCAT::MacMap::namesmatch($portname,$switchport)) {
next;
}
### set the port to trunk mode
print "portid=$portid\n";
# TODO: need testing in cisco's env for how to set a port as access mode through snmpset?
# Can setting vlanTrunkPortDot1qTunnel or cltcDot1qTunnelMode helps?
if ($trunkportstate->{$portid} != 1) {
my @ret = xCAT::SwitchHandler::setoid($session, $vlanTrunkPortEncapsulationType, $portid, 4, 'INTEGER');
if ($ret[0] != 0) {
$ret[1]="Set vlanTrunkPortEncapsulationType $vlanTrunkPortEncapsulationType.$portid to 4(dot1Q).\n" . $ret[1];
return @ret;
}
my @ret = xCAT::SwitchHandler::setoid($session, $vlanTrunkPortDynamicState, $portid, 1, 'INTEGER');
if ($ret[0] != 0) {
$ret[1]="Set vlanTrunkPortDynamicState $vlanTrunkPortDynamicState.$portid to 1.\n" . $ret[1];
return @ret;
}
}
### set trunk native vlan id
my $native_vlanid=1;
if ((exists($vlantypemap->{$portid})) && ($vlantypemap->{$portid} < 3)) { #the port was set to access mode before
if ((exists($iftovlanmap->{$portid})) && ($iftovlanmap->{$portid} > 0)) {
$native_vlanid=$iftovlanmap->{$portid};
}
} else { #the port is originally set to trunk mode
if ((exists($trunktovlanmap->{$portid})) && ($trunktovlanmap->{$portid} > 0)) {
$native_vlanid=$trunktovlanmap->{$portid};
} elsif ((exists($iftovlanmap->{$portid})) && ($iftovlanmap->{$portid} > 0)) {
$native_vlanid=$iftovlanmap->{$portid};
}
}
print "*** native_vlanid=$native_vlanid\n";
my @ret = xCAT::SwitchHandler::setoid($session, $vlanTrunkPortNativeVlan, $portid, $native_vlanid, 'INTEGER');
if ($ret[0] != 0) {
$ret[1]="Set native vlan for port $portid to $native_vlanid ($vlanTrunkPortNativeVlan.$portid to $native_vlanid).\n" . $ret[1];
return @ret;
}
### allow this vlan on the port
my $data = $session->get([$vlanTrunkPortVlansEnabled, $portid]);
my @a = split(//, $data);
foreach (@a) {
my $num=unpack("C*", $_);
$_= sprintf ("%02x",$num);
}
if ((exists($vlantypemap->{$portid})) && ($vlantypemap->{$portid} < 3)) {
#if originally this port was in access or dynamic mode, only enable original vlan and this tagged vlan
#reset the matrix
#print "***was access mode\n";
foreach (@a) {
$_="00";
}
#add native vlan id in the matrix
my $index = int($native_vlanid / 8);
my $offset = $native_vlanid % 8;
my $num = hex($a[$index]) | $HexConv{$offset};
$a[$index] = sprintf("%02x", $num);
#print "index=$index, offset=$offset\n";
#add current vlan id in the matrix
$index = int($vlan_id / 8);
$offset = $vlan_id % 8;
$num = hex($a[$index]) | $HexConv{$offset};
$a[$index] = sprintf("%02x", $num);
} else {
#if this port was trunk mode before, add this tagged vlan in the matrix
# print "***was trunk mode\n";
my $index = int($vlan_id / 8);
my $offset = $vlan_id % 8;
my $num = hex($a[$index]) | $HexConv{$offset};
$a[$index] = sprintf("%02x", $num);
}
#print "a=@a\n";
foreach (@a) {
$_=hex($_);
$_=pack("C*", $_);
}
my $s = join(//, @a);
my @ret = xCAT::SwitchHandler::setoid($session, $vlanTrunkPortVlansEnabled, $portid, $s, 'OCTET');
#print "**** ret=@ret\n";
if ($ret[0] != 0) {
$ret[1]="Allow vlan on port $portid ($vlanTrunkPortVlansEnabled.$portid=$s).\n" . $ret[1];
return @ret;
}
### security feature
if ($::XCATSITEVALS{vlansecurity} eq '1') {
#set root guard on the port
my @ret = xCAT::SwitchHandler::setoid($session, $stpxRootGuardConfigEnabled, $portname, 1, 'INTEGER');
if ($ret[0] != 0) {
$ret[1]="Set root guard for port $portname to enable ($stpxRootGuardConfigEnabled.$portname=1).\n" . $ret[1];
return @ret;
}
#set bpdu guard on the port
my @ret = xCAT::SwitchHandler::setoid($session, $stpxFastStartPortBpduGuardMode, $portname, 1, 'INTEGER');
if ($ret[0] != 0) {
$ret[1]="Set bpdu guard for port $portname to enalbe ($stpxFastStartPortBpduGuardMode.$portname=1).\n" . $ret[1];
return @ret;
}
}
last;
}
}
}
return (0, "");
}
#-------------------------------------------------------
=head3 add_crossover_ports_to_vlan
It enables the vlan on the cross-over links.
Returns an array. (erorcode, errormsg). When errorcode=0, means no error.
=cut
#-------------------------------------------------------
sub add_crossover_ports_to_vlan {
my $session=shift;
my $vlan_id=shift;
my $switch=shift;
my @switches=@_;
my @ret=(0, "");
my $msg;
if (@switches == 0 ) { return (0, ""); }
#get the ports that are connects to the switches
my $switchestab=xCAT::Table->new('switches',-create=>0);
my $ent = $switchestab->getNodeAttribs($switch, [qw(switch linkports)]);
if ((!$ent) || (! $ent->{linkports})) { return (0, $msg); }
my %linkports=();
foreach my $item (split(',',$ent->{linkports})) {
my @a=split(':', $item);
if (@a>1) {
$linkports{$a[1]}=$a[0];
}
}
#print Dumper(%linkports);
my @ports=();
foreach my $sw (@switches) {
if (exists($linkports{$sw})) {
push(@ports, $linkports{$sw});
}
}
#print "ports=@ports\n";
#now add the ports to the vlan
if (@ports > 0) {
my ($code, $msg1) = add_ports_to_vlan($session, $vlan_id, @ports);
if ($msg) {
$msg1 = $msg . $msg1;
}
return ($code, $msg1);
}
return (0, $msg);
}
#--------------------------------------------------------------
=head3 remove_vlan
Every switch plugin must implement this subroutine.
Remove a vlan from the switch
Returns an array. (erorcode, errormsg). When errorcode=0, means no error.
=cut
#-------------------------------------------------------------
sub remove_vlan {
my $session=shift;
my $vlan_id=shift;
#Verify if the edition is in use by another NMS station or device.
#The edition is not in use if you see this message: no MIB objects contained under subtree:
my $tmp = xCAT::MacMap::walkoid($session,$vtpVlanEditTable);
#print "tmp=" . Dumper($tmp) . "\n";
#Set the vtpVlanEditOperation to the copy state(2). This allows to delete the VLAN.
my @ret= xCAT::SwitchHandler::setoid($session, $vtpVlanEditOperation, 1, 2, 'INTEGER');
if ($ret[0] != 0) {
$ret[1]="Set vtpVlanEditOperation $vtpVlanEditOperation.1 to 3 (copy state).\n" . $ret[1];
return @ret;
}
#set vtpVlanEditBufferOwner in order to makethe current owner of the edit permission visible
my $username="xcat";
my @ret=xCAT::SwitchHandler::setoid($session,$vtpVlanEditBufferOwner, 1, $username, 'OCTET');
if ($ret[0] != 0) {
$ret[1]="Set vtpVlanEditBufferOwner $vtpVlanEditBufferOwner.1 to $username.\n" . $ret[1];
return @ret;
}
#set vtpVlanEditRowStatus to destroy(6)
my @ret= xCAT::SwitchHandler::setoid($session, $vtpVlanEditRowStatus, $vlan_id, 6, 'INTEGER');
if ($ret[0] != 0) {
$ret[1]="Set vtpVlanEditRowStatus $vtpVlanEditRowStatus.$vlan_id to 6 (destroy).\n" . $ret[1];
return @ret;
}
#apply the changes, set vtpVlanEditOperation.1 to apply (3)
my @ret= xCAT::SwitchHandler::setoid($session, $vtpVlanEditOperation, 1, 3, 'INTEGER');
if ($ret[0] != 0) {
$ret[1]="Set $vtpVlanEditOperation.1 to 3 (apply).\n" . $ret[1];
return @ret;
}
#release the edition buffer, set vtpVlanEditOperation.1 to release (4)
my @ret= xCAT::SwitchHandler::setoid($session, $vtpVlanEditOperation, 1, 4, 'INTEGER');
if ($ret[0] != 0) {
$ret[1]="Set vtpVlanEditOperation $vtpVlanEditOperation.1 to 4 (release).\n" . $ret[1];
return @ret;
}
#my $iftovlanmap = xCAT::MacMap::walkoid($session, $vmVlan, silentfail=>1);
#print "iftovlanmap=" . Dumper($iftovlanmap) . "\n";
#foreach (keys(%$iftovlanmap)) {
# if($iftovlanmap->{$_} == $vlan_id) {
#my @ret= xCAT::SwitchHandler::setoid($session, $vmVlan, $_, 1, 'INTEGER');
#if ($ret[0] != 0) {
# $ret[1]="Set $vmVlan.$_ to 1.\n" . $ret[1];
# return @ret;
#}
# }
#}
#my $trunktovlanmap = xCAT::MacMap::walkoid($session, $vlanTrunkPortNativeVlan, silentfail=>1); #for trunk ports, we are interested in the native vlan
#print "trunktovlanmap=" . Dumper($trunktovlanmap) . "\n";
#foreach (keys(%$trunktovlanmap)) {
# if($trunktovlanmap->{$_} == $vlan_id) {
# my @ret= xCAT::SwitchHandler::setoid($session, $vlanTrunkPortNativeVlan, $_, 1, 'INTEGER');
# if ($ret[0] != 0) {
# $ret[1]="Set $vlanTrunkPortNativeVlan.$_ to 1.\n" . $ret[1];
# return @ret;
# }
# }
#}
return (0, "");;
}
#--------------------------------------------------------------
=head3 remove_ports_from_vlan
Every switch plugin must implement this subroutine.
Remove ports from a vlan
Returns an array. (erorcode, errormsg). When errorcode=0, means no error.
=cut
#-------------------------------------------------------------
sub remove_ports_from_vlan {
my $session=shift;
my $vlan_id=shift;
my @ports = @_;
if (@ports > 0) {
my $namemap = xCAT::MacMap::walkoid($session,$ifName);
#namemap is the mapping of ifIndex->(human readable name)
if ($namemap) {
my $ifnamesupport=0;
foreach (keys %{$namemap}) {
if ($namemap->{$_}) {
$ifnamesupport=1;
last;
}
}
unless ($ifnamesupport) {
$namemap=0;
}
}
unless ($namemap) { #Failback to ifDescr. ifDescr is close, but not perfect on some switches
$namemap = xCAT::MacMap::walkoid($session, $ifDescr);
}
unless ($namemap) {
return;
}
#print "namemap=" . Dumper($namemap) . "\n";
foreach my $portid (keys %{$namemap}) {
my $switchport = $namemap->{$portid};
foreach my $portname (@ports) {
unless (xCAT::MacMap::namesmatch($portname,$switchport)) {
next;
}
#remove the vlan id from the vlanTrunkPortVlansEnabled.port matrix
my $data = $session->get([$vlanTrunkPortVlansEnabled, $portid]);
my @a = split(//, $data);
foreach (@a) {
my $num=unpack("C*", $_);
$_= sprintf ("%02x",$num);
}
#print "a=@a\n";
my $index = int($vlan_id / 8);
my $offset = $vlan_id % 8;
my $num = hex($a[$index]) & (~$HexConv{$offset});
$a[$index] = sprintf("%02x", $num);
#print "a=@a\n";
foreach (@a) {
$_=hex($_);
$_=pack("C*", $_);
}
my $s = join(//, @a);
my @ret = xCAT::SwitchHandler::setoid($session, $vlanTrunkPortVlansEnabled, $portid, $s, 'OCTET');
if ($ret[0] != 0) {
$ret[1]="Set vlanTrunkPortVlansEnabled $vlanTrunkPortVlansEnabled.$portid to $s.\n" . $ret[1];
return @ret;
}
last;
}
}
}
return (0, "");;
}
1;
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