resolver directive doesn't fallback to the system DNS resolver
kpariani at zimbra.com
Mon Jan 12 22:53:38 UTC 2015
Thanks Yichun Zhang..
----- Original Message -----
From: "Yichun Zhang (agentzh)" <agentzh at gmail.com>
To: nginx at nginx.org
Sent: Monday, January 12, 2015 2:19:08 PM
Subject: Re: resolver directive doesn't fallback to the system DNS resolver
On Mon, Jan 12, 2015 at 1:48 PM, Kunal Pariani wrote:
> Is there already a patch for this ?
AFAIK, the Tengine fork has a patch for this.
> I am not completely sure of how to make the nginx resolver (in ngx_resolver.c) fallback to libresolv automatically and if this not trivial enough, i just might read the resolvers from /etc/resolv.conf and provide it to the 'resolver' directive. Any suggestions ?
I was not talking about falling back to libresolv because it is very
likely to block the nginx event loop or introduce extra OS threads for
no good. I was talking about extracing nameserver addresses
automatically from /etc/resolv.conf (or similar places in other exotic
operating systems) and feed them into nginx's current nonblocking
And yes, for now, the latter workaround should be the simplest for you :)
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