[Juju] Azure issues & fix?

Samuel Cozannet samuel.cozannet at canonical.com
Fri Jun 26 16:39:28 UTC 2015

I'll get on this when I get back home next week. Should be pretty

Thanks for helping out :)
On Jun 26, 2015 9:22 AM, "Charles Butler" <charles.butler at canonical.com>

> I have a solid suite of specs/docs already for the DNS charm, more looking
> for user requirements of what you need to make this happen, to correct the
> Hostname Resolution. Does this constitute a new relationship? Should these
> services just bind into the existing relationship model there and then DNS
> takes care of it from there?
> There are some impl. details that I'm not sure about, but your feedback
> would be golden in making a first pass at making this happen.
> http://github.com/chuckbutler/dns-charm
> https://github.com/chuckbutler/DNS-Charm/tree/master/docs
> If you could open issues about the suggested features, lets start there
> and we'll work them into the project docs + roadmap and we can beta this as
> quick as we can get the features written.
> Cheers!
> Charles Butler <charles.butler at canonical.com> - Juju Charmer
> Come see the future of datacenter orchestration: http://jujucharms.com
> On Fri, Jun 26, 2015 at 11:33 AM, Samuel Cozannet <
> samuel.cozannet at canonical.com> wrote:
>> Hey,
>> Thx, that would help.
>> What form of documentation / specs are you expecting exactly?
>> BTW, if that could also be included in Fan Networking, we would have a
>> set of cool networking features for container workloads.
>> On Jun 26, 2015 8:22 AM, "Charles Butler" <charles.butler at canonical.com>
>> wrote:
>>> Hey Sam,
>>> Back when I was working on the big data eco we ran into this problem
>>> consistently on many substrates. There is work there that we can probably
>>> extrapolate into a helper function to eliminate this behavior on even the
>>> hackiest of situations. I'm not 100% a fan of just tossing a bunch of DNS
>>> data in /etc/hosts - but it does work.
>>> We should work together w/ the new work thats been landed in the DNS
>>> charm to try and offer a proper solution to this that doesn't involve a
>>> static list in /etc/hosts that is subject to environment changes, and let a
>>> proper DNS host offer that name resolution in our deployments. I know that
>>> I've gotten this to work with minmal effort on my internal LAN, which is a
>>> far cry from a data center, but this works extremely well.
>>> LMK if you're interested, I'd like to get some requirements established
>>> and extend the charm to do what you need it to, so we can call this a
>>> finished line item by adding 1 additional charm to the toplogy and some
>>> relations.
>>> All the best,
>>> Charles Butler <charles.butler at canonical.com> - Juju Charmer
>>> Come see the future of datacenter orchestration: http://jujucharms.com
>>> On Thu, Jun 25, 2015 at 8:17 PM, Samuel Cozannet <
>>> samuel.cozannet at canonical.com> wrote:
>>>> Hi All,
>>>> Been struggling all week to get a decent Sentiment Analysis bundle on
>>>> Azure, while it used to work for ages.
>>>> Apparently, the "new" Azure after ARM templates is managing DNS a bit
>>>> differently than in the past. There is no (more?) resolution of hostnames
>>>> in the private network, but of the local machine.
>>>> If you have any charm/bundle that uses (private) DNS resolution, I
>>>> encourage you to test them against MS Azure, and eventually enforce charm
>>>> relations to update /etc/hosts on all units, or whatever method to enable
>>>> DNS resolution on, to and from every unit in the deployment.
>>>> This should not break deployments on other clouds, and will re-enable
>>>> Azure if it suddenly started to fail.
>>>> If anyone has more / other info on this matter, or on specifics of
>>>> Azure, I'd be happy hear your feedback.
>>>> Thanks,
>>>> Best,
>>>> Samuel
>>>> --
>>>> Samuel Cozannet
>>>> Cloud, Big Data and IoT Strategy Team
>>>> Business Development - Cloud and ISV Ecosystem
>>>> Changing the Future of Cloud
>>>> Ubuntu <http://ubuntu.com>  / Canonical UK LTD <http://canonical.com> /
>>>> Juju <https://jujucharms.com>
>>>> samuel.cozannet at canonical.com
>>>> mob: +33 616 702 389
>>>> skype: samnco
>>>> Twitter: @SaMnCo_23
>>>> [image: View Samuel Cozannet's profile on LinkedIn]
>>>> <https://es.linkedin.com/in/scozannet>
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