[Bug 1032633] [NEW] Keystone's token table grows unconditionally.

[Andrew Glen-Young]

Public bug reported:

Keystone's `token` table grows unconditionally with expired tokens.

Keystone should provide a backend-agnostic method to find and delete
these tokens. This could be run via a periodic task or supplied as a
script to run as a cron job.

An example SQL statement (if you're using a SQL backend) to workaround
this problem:

    sql> DELETE FROM token WHERE expired <= NOW();

It may be ideal to allow a date smear to allow older tokens to persist
if needed.

** Affects: keystone (Ubuntu)
     Importance: Undecided
         Status: New


** Tags: canonistack

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https://bugs.launchpad.net/bugs/1032633

Title:
  Keystone's token table grows unconditionally.

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