DNS: expose 53/TCP

[thockin]

Finish v1beta3 conversion, too.

Fixes #7474

@vishh or @cjcullen

Will add e2e coverage of this if I can figure it out.

[mbforbes]

@cjcullen of course feel free to swap around

[thockin]

e2e is hard - the only tool I know that can do TCP lookups is dig, and busybox !has dig. will keep thinking about this.

In the mean time, manually tested.

[vishh]

LGTM

[mbforbes]

(To @vishh as he's already looked now.) I'll merge on green tomorrow—squash maybe?

[thockin]

Give me a bit to figure out e2e. I can't figure out how to reproducibly
get a container with dig in it that isn't full-on ubuntu. Grr. I could
get source code and build my own static binary, but that's not really
reproducible.

On Tue, May 5, 2015 at 9:21 PM, Maxwell Forbes notifications@github.com
wrote:

(To @vishh https://github.com/vishh as he's already looked now.) I'll
merge on green tomorrow—squash maybe?

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[mbforbes]

Mmm... wish I knew more about *nix tooling ... @zmerlynn does, I think—thoughts?

[thockin]

The dig source code is the ISC bind distribution and does not have a
provision for static (the old issue with libresolve being dynamic no matter
what). Still hunting for a good answer.

On Tue, May 5, 2015 at 11:33 PM, Maxwell Forbes notifications@github.com
wrote:

Mmm... wish I knew more about *nix tooling ... @zmerlynn
https://github.com/zmerlynn does, I think—thoughts?

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[zmerlynn]

When I had to do this in bring up scripts on our system, I was left with
"getent hosts".
On May 5, 2015 11:42 PM, "Tim Hockin" notifications@github.com wrote:

The dig source code is the ISC bind distribution and does not have a
provision for static (the old issue with libresolve being dynamic no matter
what). Still hunting for a good answer.

On Tue, May 5, 2015 at 11:33 PM, Maxwell Forbes notifications@github.com
wrote:

Mmm... wish I knew more about *nix tooling ... @zmerlynn
https://github.com/zmerlynn does, I think—thoughts?

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#7822 (comment)

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#7822 (comment)
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[thockin]

Added e2e, PTAL

[vishh]

Thanks for the e2e Tim. LGTM