[libvirt] [PATCH 0/3] network: Add support for local PTR domains

Jiri Denemark jdenemar at redhat.com
Tue Dec 13 12:47:10 UTC 2016


On Tue, Dec 13, 2016 at 13:28:04 +0100, Jiri Denemark wrote:
> I run a system dnsmasq to be able to forward specific DNS requests to
> specific servers. And I have it configured for both forward and reverse
> lookups. Another dnsmasq is started for a virtual network with domain
> "virt". The system dnsmasq knows it needs to forward any requests for
> the "virt" domain and corresponding PTR domain to the dnsmasq started by
> libvirt. The problem is dnsmasq forwards queries for unknown names to
> the upstream name server (which is the system instance in my case). One
> can get nice endless loops of DNS requests pretty easily. Forward loops
> can be avoided by specifying localOnly='yes', but there was no way to
> avoid reverse lookup loops. And this is what I'm trying to address in
> the following patches.
> 
> Jiri Denemark (3):
>   conf: Make virNetworkIPDefParseXML a little bit saner
>   util: Introduce virSocketAddrPTRDomain
>   network: Add support for local PTR domains

Oops, RNG schema update is missing, v2 comming soon :-)

Jirka




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