Re: [Bug-wget] Anyone want to add libcares support to wget?

[Tim Ruehsen]

Tim

On Thursday 17 March 2016 09:36:47 Ben Greear wrote:
> On 03/17/2016 08:58 AM, Giuseppe Scrivano wrote:
> > Hi Ben,
> > 
> > Ben Greear <address@hidden> writes:
> >>> Did you consider using a container (e.g. docker) for such a task ? Easy
> >>> to set up and you'll have your feature not only for wget. IMO, that is
> >>> much more flexible. (It was Giuseppe's idea during a private talk).
> >> 
> >> Containers will not work for me.  I need to scale to thousands of
> >> instances on modest hardware.  I'm certain the libcares and binding
> >> approach will work because we do similar things with curl and other
> >> programs already.
> > 
> > how modest is this hardware?
> > 
> > I tried to build a minimal Docker container for wget on top of Alpine:
> > 
> > Dockerfile:
> > 
> > FROM alpine
> > RUN apk add --update wget
> > WORKDIR /out
> > ENTRYPOINT ["/usr/bin/wget"]
> > 
> > and simply running (192.168.1.13 is an internal DNS server):
> > 
> > docker run --dns=192.168.1.13 --rm -v $(pwd):/out:Z wget wdserver
> > 
> > takes around 5M, plus the docker daemon.
> > 
> > If this is not enough, you can even just run wget in a chroot, and
> > provide a different /etc/resolv.conf.
> 
> I really am not at all interested in LD_PRELOAD, docker, chroot, or any
> other such a thing.  I have 15+ years invested in my current architecture,
> and it works very well for me.  It absolutely cannot be easier to manage
> docker instances on random platforms vs using a few cmd-line switches to
> wget.
> 
> I know that this feature will not be useful for most people, but then again,
> none of us can know what some user might be able to do with such a feature.
>  I know that some users of curl + libcares wanted the ability to specify
> certain DNS servers to get around oppressive firewalls (on systems they
> could not have root privs), for instance.
> 
> I don't mind making the changes to wget.  I thought if someone was
> interested in a project, then I'd be happy to work with them (and pay them,
> etc).

Why not put an offer here (with an exact description of what to deliver, OS, 
etc) ?


> I'll post my patches for consideration, and you will be welcome to pull it
> into your tree.  If they are not acceptable, then I can maintain the fork
> for as long as my customers care to use it..

Your patches are welcome, no doubt.

Just please understand our position that we try to find solutions by other 
means before introducing new options. 

Regards, Tim

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