[dnsdist] Logging a sample of queries

[Jacob Bunk Nielsen]

On 06/09/2019 10.07, Jacob Bunk Nielsen wrote:
> I want to log a sample of our DNS queries to dnsdist. We run dnsdist 
> 1.3.3 under systemd.
>
> I have tried:
>
> addAction(ProbaRule(0.01), LogAction())
>
> I would expect this to log ~1/100 of our queries. But there's 
> obviously a bug in the docs for dnsdist because LogAction() always 
> require at least one argument. I couldn't find a good place to fix it 
> and make a pull request. Should I make a github issue?

I found the place to update the documentation:

https://github.com/PowerDNS/pdns/pull/8298 (already merged, nice!)

I'm almost certain that I can do it through a remoteLogger and 
RemoteLogAction, but I'd much rather just log locally to stdout. I still 
haven't found a good way to do that.

Best regards,

Jacob