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[OpenStack Infra <1234873@xxxxxxxxxxxxxxxxxx>]

Reviewed:  https://review.openstack.org/50454
Committed: http://github.com/openstack/keystone/commit/fd5260d452d750ba2ad8e0f3cb77e658d4d56264
Submitter: Jenkins
Branch:    milestone-proposed

commit fd5260d452d750ba2ad8e0f3cb77e658d4d56264
Author: Brant Knudson <bknudson@xxxxxxxxxx>
Date:   Tue Oct 1 16:26:18 2013 -0500

    Fix mysql checkout handler AttributeError
    
    If the mysql_on_checkout handler encountered an error due to
    disconnect, it would fail with an AttributeError,
    
     AttributeError: 'module' object has no attribute 'warn'
    
    This is because it used the logging module where the LOG logger
    should have been used.
    
    Change-Id: Iae8a9bd4aeee6e35508059c20b92d70c36232963
    Closes-Bug: #1234873
    (cherry picked from commit d973ea9a47a6f9892208722f69a0cd127b2f73dc)


** Changed in: keystone
       Status: Fix Committed => Fix Released

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https://bugs.launchpad.net/bugs/1234873

Title:
  restarting mysql, Keystone doesn't reconnect, AttributeError

Status in OpenStack Identity (Keystone):
  Fix Released

Bug description:
  When restart the mysqld server that Keystone is connected to, Keystone
  operations fail with a 500 Internal Server Error.

  To recreate, start with normal devstack. Run a keystone command:

  $ keystone user-list
  +----------------------------------+----------+---------+----------------------+
  |                id                |   name   | enabled |        email         |
  +----------------------------------+----------+---------+----------------------+
  | 1fae4ded68444d5fbc646fce442eaff1 |  admin   |   True  |  admin@xxxxxxxxxxx   |
  | 3ff71f71063f4aeea0522d1261267861 | alt_demo |   True  | alt_demo@xxxxxxxxxxx |
  ...

  Then restart mysqld:

  $ sudo service mysql restart

  Then run a keystone command again:

  $ keystone user-list
  Authorization Failed: An unexpected error prevented the server from fulfilling your request. 'module' object has no attribute 'warn' (HTTP 500)

  The Keystone server log has:

    File "/opt/stack/keystone/keystone/common/sql/core.py", line 207, in mysql_on_checkout
      logging.warn(_('Got mysql server has gone away: %s'), e)
  AttributeError: 'module' object has no attribute 'warn'

  The expected behavior is that the Keystone server will reconnect
  properly and the command will work as normal.

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