[openstack-dev] [keystone] batch processing with unified limits

Chris Friesen chris.friesen at windriver.com
Thu Mar 8 15:54:25 UTC 2018

On 03/07/2018 06:10 PM, Lance Bragstad wrote:
> The keystone team is parsing the unified limits discussions from last
> week. One of the things we went over as a group was the usability of the
> current API [0].
> Currently, the create and update APIs support batch processing. So
> specifying a list of limits is valid for both. This was a part of the
> original proposal as a way to make it easier for operators to set all
> their registered limits with a single API call. The API also has unique
> IDs for each limit reference. The consensus was that this felt a bit
> weird with a resource that contains a unique set of attributes that can
> make up a constraints (service, resource type, and optionally a region).
> We're discussing ways to make this API more consistent with how the rest
> of keystone works while maintaining usability for operators. Does anyone
> see issues with supporting batch creation for limits and individual
> updates? In other words, removing the ability to update a set of limits
> in a single API call, but keeping the ability to create them in batches?

I suspect this would cover the typical usecases we have for standing up new 
clouds or a new service within a cloud.


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