Re: Downgrade a charm

[Richard Harding]

No problem. Let us know if you hit any other issues. Enjoy Juju!

On Mon, 21 Sep 2015, Tom Barber wrote:

> 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 
> 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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Downgrade a charm

[Tom Barber]

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?

Thanks

Tom
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