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2018-07-25 17:44 GMT+08:00 Ghanshyam Mann <gmann at ghanshyammann.com>:

> Hi All,
>
> During today API office hour, we were discussing about keypair quota usage
> bug (newton) [1]. key_pair 'in_use' quota is always 0 even when request per
> user which is because it is being set as 0 always [2].
>
> From checking the history and review discussion on [3], it seems that it
> was like that from staring. key_pair quota is being counted when actually
> creating the keypair but it is not shown in API 'in_use' field. Vishakha
> (assignee of this bug) is currently planing to work on this bug and before
> that we have few queries:
>
> 1. is it ok to show the keypair used info via API ? any original rational
> not to do so or it was just like that from starting.
>

It doesn't make sense to show the usage when the user queries project
quota, but it makes sense to show the usage when the user queries specific
user quota. And we have no way to show usage for the
server_group_memebers/security_group_rules, since they are the limit for a
specific server group and security group, we have no way to express that in
our quota API.



>
> 2. Because this change will show the keypair used quota information in
> API's existing filed 'in_use', it is API behaviour change (not interface
> signature change in backward incompatible way) which can cause interop
> issue. Should we bump microversion for this change?
>

If we are going to bump microversion, I prefer to set the usage to -1 for
server_group_member/security_group_rules usage, since 0 is really confuse
for the end user.


>
> [1] https://bugs.launchpad.net/nova/+bug/1644457
> [2] https://github.com/openstack/nova/blob/bf497cc47497d3a5603bf60de65205
> 4ac5ae1993/nova/quota.py#L189
> [3] https://review.openstack.org/#/c/446239/
>
> -gmann
>
>
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