[openstack-dev] 2 Minute tokens

Sean Dague sean at dague.net
Tue Sep 30 16:21:20 UTC 2014


On 09/30/2014 11:58 AM, Jay Pipes wrote:
> On 09/30/2014 11:37 AM, Adam Young wrote:
>> On 09/30/2014 11:06 AM, Louis Taylor wrote:
>>> On Tue, Sep 30, 2014 at 10:44:51AM -0400, Adam Young wrote:
>>>> What are the uses that require long lived tokens?
>>> Glance has operations which can take a long time, such as uploading and
>>> downloading large images.
>> Yes, but the token is only authenticated at the start of the operation.
>> Does anything need to happen afterwards?
> 
> Funny you mention it... :) We were just having this conversation on IRC
> about Nikesh's issues with some Tempest volume tests and a token
> expiration problem.
> 
> So, yes, a Glance upload operation makes a series of HTTP calls in the
> course of the upload:
> 
>  POST $registry/images <-- Creates the queued image record
>  ...  upload of chunked body of HTTP request to backend like Swift ..
>  PUT $registry/images/<IMAGE_ID> <-- update image status and checksum
> 
> So, what seems to be happening here is that the PUT call at the end of
> uploading the snapshot is using the same token that was created in the
> keystone client of the tempest test case during the test classes'
> setUpClass() method, and the test class ends up running for >1 hour, and
> by the time the PUT call is reached, the token has expired.

Yes... and there is this whole unresolved dev thread on this -
http://lists.openstack.org/pipermail/openstack-dev/2014-September/045567.html

	-Sean

-- 
Sean Dague
http://dague.net



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