[openstack-dev] [savanna] Choosing provisioning engine during cluster launch

Sergey Lukjanov slukjanov at mirantis.com
Wed Feb 5 14:49:53 UTC 2014


It sounds little useful for dev/testing, I'm not really think that it's
needed, but not -1 such addition to the REST API.


On Thu, Jan 30, 2014 at 7:52 PM, Trevor McKay <tmckay at redhat.com> wrote:

> 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
> > > >
> > > >
> > > >
> > > >
> > > >         _______________________________________________
> > > >         OpenStack-dev mailing list
> > > >         OpenStack-dev at lists.openstack.org
> > > >         <mailto:OpenStack-dev at lists.openstack.org>
> > > >
> http://lists.openstack.org/cgi-bin/mailman/listinfo/openstack-dev
> > > >
> > > >
> > > >
> > > >     _______________________________________________
> > > >     OpenStack-dev mailing list
> > > >     OpenStack-dev at lists.openstack.org
> > > >     <mailto:OpenStack-dev at lists.openstack.org>
> > > >
> http://lists.openstack.org/cgi-bin/mailman/listinfo/openstack-dev
> > > >
> > > >
> > > >
> > > >
> > > > _______________________________________________
> > > > OpenStack-dev mailing list
> > > > OpenStack-dev at lists.openstack.org
> > > > http://lists.openstack.org/cgi-bin/mailman/listinfo/openstack-dev
> > > >
> > >
> > >
> > > _______________________________________________
> > > OpenStack-dev mailing list
> > > OpenStack-dev at lists.openstack.org
> > > http://lists.openstack.org/cgi-bin/mailman/listinfo/openstack-dev
> >
>
>
>
> _______________________________________________
> OpenStack-dev mailing list
> OpenStack-dev at lists.openstack.org
> http://lists.openstack.org/cgi-bin/mailman/listinfo/openstack-dev
>



-- 
Sincerely yours,
Sergey Lukjanov
Savanna Technical Lead
Mirantis Inc.
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://lists.openstack.org/pipermail/openstack-dev/attachments/20140205/f4ec6b41/attachment.html>


More information about the OpenStack-dev mailing list