[Juju] Azure issues & fix?

Samuel Cozannet samuel.cozannet at canonical.com
Fri Jun 26 00:17:02 UTC 2015

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.


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
samuel.cozannet at canonical.com
mob: +33 616 702 389
skype: samnco
Twitter: @SaMnCo_23
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