[openstack-dev] [savanna] Choosing provisioning engine during cluster launch
Trevor McKay
tmckay at redhat.com
Thu Jan 30 15:52:25 UTC 2014
My mistake, it's already there. I missed the distinction between set on
startup and set per cluster.
Trev
On Thu, 2014-01-30 at 10:50 -0500, Trevor McKay wrote:
> +1
>
> How about an undocumented config?
>
> Trev
>
> On Thu, 2014-01-30 at 09:24 -0500, Matthew Farrellee wrote:
> > i imagine this is something that can be useful in a development and
> > testing environment, especially during the transition period from direct
> > to heat. so having the ability is not unreasonable, but i wouldn't
> > expose it to users via the dashboard (maybe not even directly in the cli)
> >
> > generally i want to reduce the number of parameters / questions the user
> > is asked
> >
> > best,
> >
> >
> > matt
> >
> > On 01/30/2014 04:42 AM, Dmitry Mescheryakov wrote:
> > > I agree with Andrew. I see no value in letting users select how their
> > > cluster is provisioned, it will only make interface a little bit more
> > > complex.
> > >
> > > Dmitry
> > >
> > >
> > > 2014/1/30 Andrew Lazarev <alazarev at mirantis.com
> > > <mailto:alazarev at mirantis.com>>
> > >
> > > Alexander,
> > >
> > > What is the purpose of exposing this to user side? Both engines must
> > > do exactly the same thing and they exist in the same time only for
> > > transition period until heat engine is stabilized. I don't see any
> > > value in proposed option.
> > >
> > > Andrew.
> > >
> > >
> > > On Wed, Jan 29, 2014 at 8:44 PM, Alexander Ignatov
> > > <aignatov at mirantis.com <mailto:aignatov at mirantis.com>> wrote:
> > >
> > > Today Savanna has two provisioning engines, heat and old one
> > > known as 'direct'.
> > > Users can choose which engine will be used by setting special
> > > parameter in 'savanna.conf'.
> > >
> > > I have an idea to give an ability for users to define
> > > provisioning engine
> > > not only when savanna is started but when new cluster is
> > > launched. The idea is simple.
> > > We will just add new field 'provisioning_engine' to 'cluster'
> > > and 'cluster_template'
> > > objects. And profit is obvious, users can easily switch from one
> > > engine to another without
> > > restarting savanna service. Of course, this parameter can be
> > > omitted and the default value
> > > from the 'savanna.conf' will be applied.
> > >
> > > Is this viable? What do you think?
> > >
> > > Regards,
> > > Alexander Ignatov
> > >
> > >
> > >
> > >
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