[Freeipa-devel] [PATCH] 111 Let Bind track data changes

[Martin Kosek]

On Mon, 2011-08-15 at 10:36 -0400, Simo Sorce wrote:
> On Mon, 2011-08-15 at 14:20 +0200, Martin Kosek wrote:
> > A new version of bind-dyndb-ldap has been released. Thanks to the new
> > persistent search feature, the name server can immediately pull new DNS
> > zones when they are created in IPA.
> > 
> > Since the bind-dyndb-ldap plugin has not been released in F-15 yet, one
> > has to use the provided src.rpm:
> > 
> > http://mkosek.fedorapeople.org/bind-dyndb-ldap/srpm/bind-dyndb-ldap-0.2.0-5.fc17.src.rpm
> > 
> > or rpms I built for x86_64 F-15:
> > 
> > http://mkosek.fedorapeople.org/bind-dyndb-ldap/x86_64/
> > 
> > There is one setback though. When I investigated DNS persistent search
> > behavior I still miss the ability to detect changes to the DNS zone
> > itself. Adding a record (for example MX record) to the zone does not
> > trigger an update of the zone in nameserver cache. We still have to wait
> > for cache timeout (argument "cache_ttl"). We cannot therefore use this
> > feature as a solution of:
> > 
> > https://fedorahosted.org/freeipa/ticket/1114
> > https://fedorahosted.org/freeipa/ticket/1125
> > https://fedorahosted.org/freeipa/ticket/1126
> 
> Is this a bug/deficiency of the plugin ? Or is it something that depends
> on named internals somehow ?
> 
> Simo.
> 

I don't see it as a bug in bind-dyndb-plugin, this behavior is just not
implemented (yet). Right now, we can only recommend tuning cache_ttl
parameter for users reporting tickets 1114, 1125, and 1126. You can
check my mail to Dmitri for more details.

Martin