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From John Conwell <j...@iamjohn.me>
Subject Re: Custom install and config functions when calling Whirr from code
Date Fri, 27 May 2011 16:06:19 GMT
Gotcha.  Adding custom scripts to the classpath works fine for me.  I like
the idea of passing functions as strings for added flexibility but its not
that big a deal.

Thanks.

On Thu, May 26, 2011 at 5:10 PM, Tom White <tom.e.white@gmail.com> wrote:

> I wasn't very clear. The code looks for a 'functions' directory on the
> classpath, and reads from that. So if it's trying to load
> 'install_hadoop.sh' it will look for 'functions/install_hadoop.sh' on
> the classpath. So you have to add the directory containing the
> 'functions' directory to your application classpath.
>
> It might make sense to allow other ways of specifying the functions
> for a service, not just by classpath lookup. E.g. if the program wants
> to pass the functions as strings. Feel free to raise a JIRA for
> improvements in this area.
>
> Cheers,
> Tom
>
> On Thu, May 26, 2011 at 4:59 PM, Tom White <tom.e.white@gmail.com> wrote:
> > Hi John,
> >
> > The functions directory itself needs to be on the classpath. You can
> > achieve this by including it in your application JAR (like the Whirr
> > service JARs do), or by adding it to the application classpath (like
> > the bin/whirr script does).
> >
> > Hope that helps.
> >
> > Cheers,
> > Tom
> >
> > On Thu, May 26, 2011 at 3:29 PM, John Conwell <john@iamjohn.me> wrote:
> >> I have customized the install and config functions for cassandra, and
> put
> >> these two files in the functions folder, and it works great from the cmd
> >> line whirr utility.
> >> But when launching a cluster via the Serice.launchCluster() method how
> do
> >> you specify a custom function file for either install or configuration?
> >> Thanks,
> >> John C
> >>
> >
>



-- 

Thanks,
John C

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