[openstack-dev] [Heat] awareness of nova cells, availability zones etc.
rbryant at redhat.com
Wed Jul 10 00:47:44 UTC 2013
On 07/09/2013 07:42 PM, Angus Salkeld wrote:
> On 09/07/13 11:59 -0400, Eoghan Glynn wrote:
>> Hi Folks,
>> Just wondering to what extent Heat deployment policies can be made
>> nova cell/AZ-aware?
>> For example, one could envisage a situation in which it would sense
>> for an autoscaling group to have cell-affinity, but also have AZ-
>> anti-affinity within the cell for resiliance against datacenter
>> Are those kinds of policies currently supported by Heat?
It seems like the planned instance grouping additions to nova in Havana
would be helpful here.
This will provide the ability to express to nova that multiple instances
are in a group, and that a policy should be applied to this group, such
as various types of affinity or anti-affinity.
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