[libvirt-users] possible to dynamically set/add network domain name?

[Rich Megginson]

On 08/06/2014 11:23 AM, Laine Stump wrote:
> On 08/05/2014 06:25 PM, Rich Megginson wrote:
>> trying to use virsh net-update to add a domain name
>> libvirt-1.1.3.5-2.fc20.x86_64
>> sudo virsh net-update default add domain "<domain name='test'/>"
>> --live --config
>> error: this function is not supported by the connection driver: can't
>> update 'domain' section of network 'default'
>>
>> is it possible to add a domain using net-update?
> No, not currently. It would be fairly simple to add support for
> re-starting the network's dnsmasq instance with the new domain in the
> commandline arguments, but that wouldn't address the existing guests
> that have already received the domain name in their DHCP responses -
> they would continue appending the old domain name to any DNS queries
> until their DHCP lease expires and they have to renew (assuming that the
> guest's lease renewal code is intelligent enough to notice that the
> domain has changed).
>
> If the above is acceptable, and you're interesting in adding support for
> that much of the functionality, the function to change is
> virNetworkDefUpdateDomain() (higher level functions are already setup to
> handle restarting dnsmasq). You could follow the examples of other
> virNetworkDefUpdate*() functions in the same file.

Thanks. https://bugzilla.redhat.com/show_bug.cgi?id=1127453