[Review Queue] Elastisys Charmscaler Promulgated!

[Rick Harding]

The question there is how different businesses will have different rules. I
think it makes sense for a relation to describe what the charm author
thinks is useful parameters/etc and maybe some default scaling config but I
think that different folks will have different tastes to this. Especially
as workloads are deployed on different sized instances in the cloud.

I think that having things as a relation is much more interesting when we
have relation config so that the charms can define some standard
definitions and the user making the relation can tweak how they work in
practice.

On Tue, Mar 21, 2017 at 8:01 AM Merlijn Sebrechts <
merlijn.sebrechts at gmail.com> wrote:

> Awesome stuff!
>
> Would it make sense to expose the autoscaling options over an
> interface/relationship? So that you can connect the autoscaler to a charm
> and the charm tells the autoscaler how it should be scaled....
>
>
> 2017-03-20 21:54 GMT+01:00 Simon Kollberg <simon.kollberg at elastisys.com>:
>
>
>
> On 20 March 2017 at 18:13, Charles Butler <charles.butler at canonical.com>
> wrote:
>
> Greetings,
>
> I realized last week I had completed a review and failed to send an update
> to the mailing list. As some of you may have heard on the Juju Show that
> Elastisys released their Charm Scaler to the promulgated channel.
>
>
> This was an easy +1 from me, with comprehensive test suites, and example
> cases for auto-horizontal-scaling workloads based on CPU load.
>
> https://jujucharms.com/charmscaler/
>
>
> Thanks a lot for the review, Charles!
>
> We're really looking forward to see the community use our autoscaler to
> increase performance and availability for all of the awesome charms out
> there and we hope the CharmScaler can become a great addition to the Juju
> ecosystem. The CharmScaler is very much in it's infancy when it comes to
> functionality but we are planning on extending it with a lot of features
> that is already available in the Elastisys platform such as support for
> more built-in and custom metrics, smarter scaling-algorithms and
> robustness. We also welcome PRs, feature requests and/or bug reports on the
> charm's GitHub page https://github.com/elastisys/layer-charmscaler .
>
>
> This particular charm is near and dear to my own interests, as they have
> published a POC bundle using Canonical Distribution of Kubernetes as the
> subject matter. Enjoy horizontally scaled workers when you reach node
> pressure thresholds on CPU.
>
> https://jujucharms.com/u/elastisys/autoscaled-kubernetes/0
>
>
> Seeing how easy Juju makes bundling charms together building and deploying
> the autoscaled Kubernetes was a sheer pleasure. To be honest, what took me
> the most time was creating a (sort of) nice look for the GUI. :) However, I
> think we should go one step further. Rather than having to create a
> completely new bundle every time you want to extend a "core" bundle with
> one or more charms, why not enable bundles in the bundle manifests? That
> way two or more bundles could be combined just like charms. I know I'm not
> the first one to bring this up, so if this has already been requested on
> the mailing-list excuse this and just count it as a +1!
>
>
>
>
> Congratulations on your promulgation status to our friends at Elastisys!
> I look forward to seeing the bundles this charm unlocks the auto-scaling
> goodness thanks to tight integration with Juju.
>
>
> We are very excited to see our charm getting the Juju stamp of approval!
> Thanks again.
>
>
>
> All the best,
>
> Charles
> --
> Juju Charmer
> Canonical Group Ltd.
> Ubuntu - Linux for human beings | www.ubuntu.com
> conjure-up canonical-kubernetes | jujucharms.com
>
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