> On 16 Jan 2017, at 18:00, Matt Riedemann <mrie...@linux.vnet.ibm.com> wrote:
> 
> On 1/14/2017 4:10 AM, Tim Bell wrote:
>> 
>> o    Manual interventions are often required to sync the current usage
>> with the OpenStack view
> 
> See this spec in nova in ocata:
> 
> https://specs.openstack.org/openstack/nova-specs/specs/ocata/approved/cells-count-resources-to-check-quota-in-api.html
> 
> That is meant to redesign how nova handles quotas so we don't have the sync 
> issues anymore.

Looks good to me. Pleased to see this is being spec’d out. Do you think it 
would make it into Pike?

> 
>> 
>> o    Nested projects are now in Keystone but is limited support in other
>> projects for the end user benefit, such as delegation of quota for
>> sub-projects
>> 
> 
> We've heard that hierarchical quotas in cinder has some issues so the nova 
> side has been hesitant to make that a priority until the cinder issues are 
> fixed. This is going to be an item at the upcoming PTG since it seems like 
> something that's bigger than nova or cinder and will need to be dealt with by 
> the broader community to get it right, i.e. maybe the Arch WG needs to help 
> out here?
> 

Completely agreed. The problem of both the delegated permissions and quota 
needs a consistent implementation semantics across projects. Since this 
functionality will be delegated to a resource co-ordinator who may not have the 
same level of OpenStack knowledge as an admin, keeping the learning curve for 
this role as low as possible would be a worthwhile goal.

Tim

> -- 
> 
> Thanks,
> 
> Matt Riedemann
> 
> 
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