I agree.

On Mon, Apr 9, 2018 at 1:35 AM, Baptiste <bed...@gmail.com> wrote:

>
>
> On Fri, Apr 6, 2018 at 4:54 PM, Willy Tarreau <w...@1wt.eu> wrote:
>
>> On Fri, Apr 06, 2018 at 04:50:54PM +0200, Lukas Tribus wrote:
>> > > Well, sometimes when you're debugging a configuration, it's nice to be
>> > > able to disable some elements. Same for those manipulating/building
>> > > configs by assembling elements and iteratively pass them through
>> > > "haproxy -c". That's exactly the reason why we relaxed a few checks in
>> > > the past, like accepting a frontend with no bind line or accepting a
>> > > backend with a "cookie" directive with no cookie on server lines. In
>> > > fact we could simply emit a warning when a resolvers section has no
>> > > resolver nor resolv.conf enabled, but at least accept to start.
>> >
>> > Understood; however in this specific case I would argue one would
>> > remove the "resolver" directive from the server-line(s), instead of
>> > dropping the nameservers from the global nameserver declaration.
>>
>> No, because in order to do this, you also have to remove all references
>> on all "server" lines, which is quite a pain, and error-prone when you
>> want to reactivate them.
>>
>> > Maybe a config warning would be a compromise for this case?
>>
>> Yes, that's what I mentionned above, I'm all in favor of this given that
>> we can't objectively find a valid use case for an empty resolvers section
>> in production.
>>
>> Cheers,
>> Willy
>>
>
>
> Ok, so just to summarize:
> - we should enable parsing of resolv.conf with a configuration statement
> in the resolvers section
> - only nameserver directives from resolv.conf will be parsed for now
> - parsing of resolv.conf can be used in conjunction with nameserver
> directives in the resolvers section
> - HAProxy should emit a warning message when parsing a configuration which
> has no resolv.conf neither nameserver directives enabled
>
> Is that correct?
>
> Baptiste
>

Reply via email to