b849ef83e7
-Make MAC discovery contemplate the payload of a discovery packet rather than just contextual data git-svn-id: https://svn.code.sf.net/p/xcat/code/xcat-core/trunk@3251 8638fb3e-16cb-4fca-ae20-7b5d299a9bcd
74 lines
1.8 KiB
Perl
74 lines
1.8 KiB
Perl
# IBM(c) 2007 EPL license http://www.eclipse.org/legal/epl-v10.html
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package xCAT_plugin::switch;
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use IO::Socket;
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use Data::Dumper;
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use xCAT::MacMap;
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use Sys::Syslog;
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use Storable;
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my $macmap;
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sub handled_commands {
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$macmap = xCAT::MacMap->new();
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return {
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findme => 'switch',
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};
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}
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sub process_request {
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my $req = shift;
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my $cb = shift;
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my $doreq = shift;
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my $ip = $req->{'_xcat_clientip'};
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if (defined $req->{nodetype} and $req->{nodetype}->[0] eq 'virtual') {
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#Don't attempt switch discovery of a VM Guest
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#TODO: in this case, we could/should find the host system
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#and then ask it what node is associated with the mac
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#Either way, it would be kinda weird since xCAT probably made up the mac addy
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#anyway, however, complex network topology function may be aided by
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#discovery working. Food for thought.
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return;
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}
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my $mac = '';
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my $arptable = `/sbin/arp -n`;
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my @arpents = split /\n/,$arptable;
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foreach (@arpents) {
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if (m/^($ip)\s+\S+\s+(\S+)\s/) {
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$mac=$2;
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last;
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}
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}
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my $node;
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my $firstpass=1;
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if ($mac) {
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$node = $macmap->find_mac($mac,$req->{cacheonly}->[0]);
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$firstpass=0;
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}
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if (not $node) { # and $req->{checkallmacs}->[0]) {
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foreach (@{$req->{mac}}) {
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/.*\|.*\|([\dABCDEFabcdef:]+)(\||$)/;
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$node = $macmap->find_mac($1,$firstpass);
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$firstpass=0;
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if ($node) { last; }
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}
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}
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if ($node) {
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my $mactab = xCAT::Table->new('mac',-create=>1);
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$mactab->setNodeAttribs($node,{mac=>$mac});
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$mactab->close();
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#my %request = (
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# command => ['makedhcp'],
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# node => [$node]
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#);
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#$doreq->(\%request);
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$req->{command}=['discovered'];
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$req->{noderange} = [$node];
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$doreq->($req);
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%{$req}=();#Clear req structure, it's done..
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undef $mactab;
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} else {
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#Shouldn't complain, might be blade, but how to log total failures?
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}
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}
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1;
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