[openstack-dev] [savanna] Choosing provisioning engine during cluster launch
Trevor McKay
tmckay at redhat.com
Thu Jan 30 15:50:40 UTC 2014
+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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