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[Bug 1192383] Re: Nova creates too many tokens when booting an image

To: yahoo-eng-team@xxxxxxxxxxxxxxxxxxx
From: Akihiro Motoki <1192383@xxxxxxxxxxxxxxxxxx>
Date: Thu, 03 Dec 2015 18:58:17 -0000
Reply-to: Bug 1192383 <1192383@xxxxxxxxxxxxxxxxxx>
Sender: bounces@xxxxxxxxxxxxx

neutronclient provided a way to reuse a token by get_auth_info() and the
follow-up patch in nova was merged. Fix-Released.

** Changed in: python-neutronclient
       Status: New => Fix Released

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https://bugs.launchpad.net/bugs/1192383

Title:
  Nova creates too many tokens when booting an image

Status in OpenStack Compute (nova):
  Invalid
Status in python-neutronclient:
  Fix Released

Bug description:
  Observed in Grizzly stable branch that nova when booting an image creates lot many keystone tokens.
  On analysis found that tokens were created from quantum but nova called quantum-client APIs.

  Currently Keystone does not support token re-issue for same user credentials. Hence clients must re-use the tokens when possible.  
  Due to lot many tokens in keystone DB, when we run any keystone command that involves revoke_tokens keystone becomes unresponsive for a while as it has to iterate through all tokens in its DB.

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