[Freeipa-users] DNS and $GENERATE Directive

[Martin Kosek]

On 11/10/2014 02:48 PM, Dmitri Pal wrote:
> On 11/10/2014 03:25 AM, Martin Kosek wrote:
>> On 11/08/2014 12:16 AM, Andrew Powell wrote:
>>> Is there a way to add a Bind $GENERATE directive line to FreeIPA to
>>> automatically name DHCP-assigned ranges?
>>>
>>> In a file-based Bind installation, I can have the following line in the forward
>>> example.com zone file:
>>>
>>> $generate 80-250/1 wd${0,3,d}.example.com. A 192.168.0.$
>>>
>>> (which adds records wd080.example.com thru wd250.example.com)
>>>
>>> And for the reverse zone (0.168.192.in-addr.arpa) I can have the following
>>> line:
>>>
>>> $generate 80-250/1 $ PTR wd${0,3,d}.example.com.
>>>
>>> I can do without naming the DHCP-assigned ranges, but it seems like the proper
>>> thing to do.
>>>
>> Interesting question. I do not think bind-dyndb-ldap supports the $GENERATE
>> directive. I am not even sure how to extend LDAP DNS tree to support it as it
>> has a very specific syntax. You would need to add a new LDAP space accepting
>> strings that would be then passed to BIND... I will let Petr to assess if this
>> is possible or not.
>>
>> For now, the best approach would be to either add all these records to LDAP or
>> to have it in a BIND zone file and synchronize between all FreeIPA DNS servers.
>>
>> Martin
>>
> Would an ipa command solve the problem?
> Something like:
> 
> ipa dns-generate 80-250/1 $ PTR wd${0,3,d}.example.com.
> 
> If yes please file an RFE.

Potentially yes, I just wanted to first have some assessment from Petr to see
if it even makes sense from bind-dyndb-ldap POV. Maybe bind-dyndb-ldap cannot
hook into the BIND zone file macro generation so the RFE would not even make sense.

Martin