[Juju] Azure issues & fix?

Samuel Cozannet samuel.cozannet at canonical.com
Fri Jun 26 15:33:22 UTC 2015


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>

> 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
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