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defect 4490: In ddns.pm, to udpate all the NS server in the zone file

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This commit is contained in:
daniceexi 2014-12-23 09:03:49 -05:00
parent 77d46e97cc
commit 06f4eca23b
1 changed files with 56 additions and 46 deletions
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102
xCAT-server/lib/xcat/plugins/ddns.pm
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@ -1413,60 +1413,66 @@ sub add_or_delete_records {
}
my $zone;
foreach $zone (keys %{$ctx->{updatesbyzone}}) {
my $ip = xCAT::NetworkUtils->getipaddr($ctx->{nsmap}->{$zone});
if( !defined $ip) {
xCAT::SvrUtils::sendmsg([1,"Please make sure $ctx->{nsmap}->{$zone} exist either in /etc/hosts or DNS."], $callback);
return 1;
unless (defined ($ctx->{nsmap}->{$zone}) && $ctx->{nsmap}->{$zone}) {
next;
}
my $resolver = Net::DNS::Resolver->new(nameservers=>[$ip]);
my $entry;
my $numreqs = 300; # limit to 300 updates in a payload, something broke at 644 on a certain sample, choosing 300 for now
my $update = Net::DNS::Update->new($zone);
foreach $entry (@{$ctx->{updatesbyzone}->{$zone}}) {
if ($ctx->{deletemode}) {
$update->push(update=>rr_del($entry));
} else {
$update->push(update=>rr_add($entry));
# the ns for zone might be multiple ones which separated with ,
foreach my $zoneserver (split(',', $ctx->{nsmap}->{$zone})) {
my $ip = xCAT::NetworkUtils->getipaddr($zoneserver);
if( !defined $ip) {
xCAT::SvrUtils::sendmsg([1,"Please make sure $zoneserver exist either in /etc/hosts or DNS."], $callback);
return 1;
}
$numreqs -= 1;
if ($numreqs == 0) {
my $resolver = Net::DNS::Resolver->new(nameservers=>[$ip]);
my $entry;
my $numreqs = 300; # limit to 300 updates in a payload, something broke at 644 on a certain sample, choosing 300 for now
my $update = Net::DNS::Update->new($zone);
foreach $entry (@{$ctx->{updatesbyzone}->{$zone}}) {
if ($ctx->{deletemode}) {
$update->push(update=>rr_del($entry));
} else {
$update->push(update=>rr_add($entry));
}
$numreqs -= 1;
if ($numreqs == 0) {
$update->sign_tsig("xcat_key",$ctx->{privkey});
$numreqs=300;
my $reply = $resolver->send($update);
if ($reply)
{
if ($reply->header->rcode ne 'NOERROR')
{
xCAT::SvrUtils::sendmsg([1,"Failure encountered updating $zone, error was ".$reply->header->rcode.". See more details in system log."], $callback);
}
}
else
{
xCAT::SvrUtils::sendmsg([1,"No reply received when sending DNS update to zone $zone"], $callback);
}
$update = Net::DNS::Update->new($zone); #new empty request
}
}
if ($numreqs != 300) { #either no entries at all to begin with or a perfect multiple of 300
$update->sign_tsig("xcat_key",$ctx->{privkey});
$numreqs=300;
my $reply = $resolver->send($update);
if ($reply)
{
if ($reply->header->rcode ne 'NOERROR')
if ($reply)
{
xCAT::SvrUtils::sendmsg([1,"Failure encountered updating $zone, error was ".$reply->header->rcode.". See more details in system log."], $callback);
if ($reply->header->rcode ne 'NOERROR')
{
xCAT::SvrUtils::sendmsg([1,"Failure encountered updating $zone, error was ".$reply->header->rcode.". See more details in system log."], $callback);
}
}
else
{
xCAT::SvrUtils::sendmsg([1,"No reply received when sending DNS update to zone $zone"], $callback);
}
}
else
{
xCAT::SvrUtils::sendmsg([1,"No reply received when sending DNS update to zone $zone"], $callback);
}
$update = Net::DNS::Update->new($zone); #new empty request
# sometimes resolver does not work if the update zone request sent so quick
sleep 1;
}
}
if ($numreqs != 300) { #either no entries at all to begin with or a perfect multiple of 300
$update->sign_tsig("xcat_key",$ctx->{privkey});
my $reply = $resolver->send($update);
if ($reply)
{
if ($reply->header->rcode ne 'NOERROR')
{
xCAT::SvrUtils::sendmsg([1,"Failure encountered updating $zone, error was ".$reply->header->rcode.". See more details in system log."], $callback);
}
}
else
{
xCAT::SvrUtils::sendmsg([1,"No reply received when sending DNS update to zone $zone"], $callback);
}
# sometimes resolver does not work if the update zone request sent so quick
sleep 1;
}
}
xCAT::SvrUtils::sendmsg("Completed updating DNS records.", $callback);
}
@ -1518,13 +1524,17 @@ sub find_nameserver_for_dns {
if ($reply->header->rcode ne 'NOERROR') {
xCAT::SvrUtils::sendmsg([1,"Failure encountered querying $zone, error was ".$reply->header->rcode], $callback);
}
my @zoneserver;
foreach my $record ($reply->answer) {
if ( $record->nsdname =~ /blackhole.*\.iana\.org/) {
$ctx->{nsmap}->{$zone} = 0;
} else {
$ctx->{nsmap}->{$zone} = $record->nsdname;
push @zoneserver, $record->nsdname;
}
}
unless (defined ($ctx->{nsmap}->{$zone})) {
$ctx->{nsmap}->{$zone} = join(',', @zoneserver);
}
} else {
$ctx->{nsmap}->{$zone} = 0;
}