[dnsdist] expungeByName from ALL pools

Remi Gacogne remi.gacogne at powerdns.com
Fri Oct 7 16:05:54 UTC 2022

Hi Christof,

On 05/10/2022 12:06, Chen, Christof via dnsdist wrote:
> I use separate caches for various pools. Now I want to delete a given 
> FQDN from the cache, but I don't know immediately in which cache it is - 
> so I would like to simpy expungeByName it from all caches.
> Is there a straightforward way to address all pools or iterate over all 
> pools? I would like to avoid hardcoding my list of pools here:
> getPool("poolA"):getCache():expungeByName(newDNSName("what.ever.name 
> <http://what.ever.name>"))
> getPool("poolB"):getCache():expungeByName(newDNSName("what.ever.name 
> <http://what.ever.name>"))
> [...several more pools with caches...]
> Maybe some Lua magic with getPools()?

I'm afraid I don't see an easy way to do that, short of parsing the 
output of 'showPools()'. It would not be too hard to write a Lua 
function returning the list of all the existing pools, though. Would you 
mind opening a feature request on GH so that idea doesn't get lost?

Remi Gacogne
PowerDNS.COM BV - https://www.powerdns.com/

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