Open Stack

Steve Gordon <sgordon at redhat.com> wrote on 04/28/2014 08:58:35 AM:

> ----- Original Message -----
> > Hi Stackers,
> > Proposal
> > 
> > Create two new options to nova boot:
> > 
> >  --near-tag <TAG>
> > and
> >  --not-near-tag <TAG>
> > 
> > The first would tell the scheduler to place the new VM near other VMs
> > having a particular "tag". The latter would tell the scheduler to 
place
> > the new VM *not* near other VMs with a particular tag.
> 
> Would we continue to grow this set of arguments in response to the 
> addition of new policies, how much do we expect this to grow? The 
> two most likely additions I can think of are "soft"/"best effort" 
> versions of the current two, are there any other proposals/ideas out
> there - I know we're a creative bunch ;)?

I brought an extensive list to the last summit; see 
https://wiki.openstack.org/wiki/Heat/PolicyExtension (but concrete syntax 
proposals B and C, I only brought A at the time, and am editing B and C 
into existence now) and do not be distracted by the fact that it is a Heat 
proposal; the policy issues are prior issues for scheduling irrespective 
of heat involvement.  Note that I not only add policy types but also endow 
some of them with parameters.

Regards,
Mike

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