Downgrade a charm

[Tom Barber]

Hi Rick,

Spot on thanks, its just a standalone deployment in a shell script so I
just need to pin the version in that.

Thanks a lot!

Tom

On 21 September 2015 at 12:32, Richard Harding <rick.harding at canonical.com>
wrote:

> On Mon, 21 Sep 2015, Tom Barber wrote:
>
> > Hi guys
> >
> > I thought this might happen and its quite a large problem so any ideas
> are
> > greatly appreciated.
> >
> > I redeployed my Hadoop cluster this morning and found that the Spark
> charm
> > has had its version upgraded from 1.3 to 1.4. SQL in 1.4 has a number of
> > serious bugs and I need to get 1.3 back, can I deploy a specific charm
> > version when bootstrapping my environment?
>
> When you say bootstrapping to you mean deploying the service? Are you using
> a bundle to perform this deployment?
>
> Yes, you can specify the revision of any deployment command. Just add a -xx
> to the charm url.
>
> So in the case of Spark, the latest revision is currently 3 (if you mean
> apache-spark) and can be deployed with:
>
> juju deploy cs:trusty/apache-spark-3
>
> if you wanted a previous revision of the charm you can change that final
> number:
>
> juju deploy cs:trusty/apache-spark-1
>
> If you're deploying from a bundle and the revision isn't what you'd like,
> you'll have to download the bundle yaml file and edit it to be the charm
> url with the revision you'd like to have.
>
> Hope that helps.
>
>
>
> --
>
> Rick Harding
>
> Juju UI Engineering
> https://launchpad.net/~rharding
> @mitechie
>
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