thanks. Better start writing those tests then... On 24 September 2012 16:03, Andrei Savu <[email protected]> wrote:
> No VMs are started during beforeBootstrap(). > > You can throw validation exceptions in that method for each role. > > -- Andrei Savu > > On Mon, Sep 24, 2012 at 5:37 PM, Steve Loughran <[email protected] > >wrote: > > > I'm writing a service that is having some preflight checking of the > cluster > > spec done up front: > > #of master nodes == 1 > > #master-service and worker service must not co-exist > > > > From what I see, most services (implicitly) check this before the > configure > > operation, as they look for where the NN is, JT is, or similar, usually > > implicitly and failing with a NoSuchElementException (e.g. WHIRR-652). > > > > I'm trying to be stricter and want to verify the template's validity > before > > any VMs have been requested. This would fail-fast and save money. > > > > Is there a way to do this at present -and if so, how? > > > > -steve > > >
