On 12/7/2015 6:55 PM, Alex Xu wrote:


2015-12-08 8:38 GMT+08:00 Kevin L. Mitchell
<kevin.mitch...@rackspace.com <mailto:kevin.mitch...@rackspace.com>>:

    On Mon, 2015-12-07 at 18:21 -0600, Chris Friesen wrote:
    > Can someone explain why nova doesn't seem to be doing any validation in 
the
    > "nova quota-show" command?  (At least in kilo/stable.)
    >
    > If I run:
    > nova --debug quota-show  --tenant aprojectdoesnotexist --user nosuchuser
    >
    > the debug info shows:
    >
    > DEBUG (connectionpool:383) "GET
    > 
/v2/ceddf233621f4772a8b4f17de3d45e31/os-quota-sets/aprojectdoesnotexist?user_id=nosuchuser
    > HTTP/1.1" 200 359
    >
    > and it returns a reasonable-looking set of quota information.
    >
    >
    >
    > Shouldn't nova be complaining that the specified tenant/user don't 
actually exist?

    1. Nova doesn't know what tenants and users exist; that's something only
    Keystone knows.

    2. There are defaults for quotas, which is how nova determines what
    quotas to apply to a tenant when there's no specific quota for that
    tenant in its database.  That's why you're getting a reasonable-looking
    set of quota information.



yes, but I found one spec we approved before
https://specs.openstack.org/openstack/nova-specs/specs/kilo/approved/validate-tenant-user-with-keystone.html

But it doesn't finish.

    --
    Kevin L. Mitchell <kevin.mitch...@rackspace.com
    <mailto:kevin.mitch...@rackspace.com>>
    Rackspace


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I can't seem to find the mailing list thread on this, if there ever was one, but I remember talking about this same problem a few months ago - related to how the quotas API will create new quotas for you on update if they don't yet exist [1]. Chatting in IRC some of us were talking about adding a new create method to the API so that could be explicit.

The same thing exists in nova-manage also [2].

There are several bugs related to the blueprint Alex pointed out [3].

I also found some discussion in a nova meeting [4]. That has most of the details (there might be more in one of the bugs related to the blueprint) if someone wants to take a run at this for the N release.

[1] https://github.com/openstack/nova/blob/master/nova/api/openstack/compute/quota_sets.py#L140
[2] https://github.com/openstack/nova/blob/master/nova/cmd/manage.py#L283
[3] https://blueprints.launchpad.net/nova/+spec/validate-project-with-keystone [4] http://eavesdrop.openstack.org/irclogs/%23openstack-nova/%23openstack-nova.2015-10-06.log.html#t2015-10-06T17:21:45

--

Thanks,

Matt Riedemann


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