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[Bug 1417737] [NEW] KVS cache backend incompatible with redis-py

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Public bug reported:

Created Redis cache backend: https://review.openstack.org/#/c/150844/

Tempest revealed problem with locking:

<11>Feb 3 14:56:14 node-27 keystone-all 'LuaLock' object has no attribute 'lock_timeout'
2015-02-03 14:56:14.890 8959 TRACE keystone.common.wsgi Traceback (most recent call last):
2015-02-03 14:56:14.890 8959 TRACE keystone.common.wsgi File "/usr/lib/python2.7/dist-packages/keystone/common/wsgi.py", line 223, in _call_
2015-02-03 14:56:14.890 8959 TRACE keystone.common.wsgi result = method(context, **params)
2015-02-03 14:56:14.890 8959 TRACE keystone.common.wsgi File "/usr/lib/python2.7/dist-packages/keystone/token/controllers.py", line 452, in delete_token
2015-02-03 14:56:14.890 8959 TRACE keystone.common.wsgi self.token_provider_api.revoke_token(token_id)
2015-02-03 14:56:14.890 8959 TRACE keystone.common.wsgi File "/usr/lib/python2.7/dist-packages/keystone/token/provider.py", line 485, in revoke_token
2015-02-03 14:56:14.890 8959 TRACE keystone.common.wsgi self._persistence.delete_token(token_id=token_id)
2015-02-03 14:56:14.890 8959 TRACE keystone.common.wsgi File "/usr/lib/python2.7/dist-packages/keystone/token/persistence/core.py", line 106, in delete_token
2015-02-03 14:56:14.890 8959 TRACE keystone.common.wsgi self.driver.delete_token(unique_id)
2015-02-03 14:56:14.890 8959 TRACE keystone.common.wsgi File "/usr/lib/python2.7/dist-packages/keystone/token/persistence/backends/kvs.py", line 254, in delete_token
2015-02-03 14:56:14.890 8959 TRACE keystone.common.wsgi self._add_to_revocation_list(data, lock)
2015-02-03 14:56:14.890 8959 TRACE keystone.common.wsgi File "/usr/lib/python2.7/dist-packages/keystone/common/kvs/core.py", line 405, in _exit_
2015-02-03 14:56:14.890 8959 TRACE keystone.common.wsgi self.release()
2015-02-03 14:56:14.890 8959 TRACE keystone.common.wsgi File "/usr/lib/python2.7/dist-packages/keystone/common/kvs/core.py", line 398, in release
2015-02-03 14:56:14.890 8959 TRACE keystone.common.wsgi if not self.expired:
2015-02-03 14:56:14.890 8959 TRACE keystone.common.wsgi File "/usr/lib/python2.7/dist-packages/keystone/common/kvs/core.py", line 389, in expired
2015-02-03 14:56:14.890 8959 TRACE keystone.common.wsgi if self.mutex.lock_timeout == 0:
2015-02-03 14:56:14.890 8959 TRACE keystone.common.wsgi AttributeError: 'LuaLock' object has no attribute 'lock_timeout'
2015-02-03 14:56:14.890 8959 TRACE keystone.common.wsgi

** Affects: keystone
     Importance: Undecided
     Assignee: Alexander Makarov (amakarov)
         Status: New

** Changed in: keystone
     Assignee: (unassigned) => Alexander Makarov (amakarov)

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https://bugs.launchpad.net/bugs/1417737

Title:
  KVS cache backend incompatible with redis-py

Status in OpenStack Identity (Keystone):
  New

Bug description:
  Created Redis cache backend: https://review.openstack.org/#/c/150844/

  Tempest revealed problem with locking:

  <11>Feb 3 14:56:14 node-27 keystone-all 'LuaLock' object has no attribute 'lock_timeout'
  2015-02-03 14:56:14.890 8959 TRACE keystone.common.wsgi Traceback (most recent call last):
  2015-02-03 14:56:14.890 8959 TRACE keystone.common.wsgi File "/usr/lib/python2.7/dist-packages/keystone/common/wsgi.py", line 223, in _call_
  2015-02-03 14:56:14.890 8959 TRACE keystone.common.wsgi result = method(context, **params)
  2015-02-03 14:56:14.890 8959 TRACE keystone.common.wsgi File "/usr/lib/python2.7/dist-packages/keystone/token/controllers.py", line 452, in delete_token
  2015-02-03 14:56:14.890 8959 TRACE keystone.common.wsgi self.token_provider_api.revoke_token(token_id)
  2015-02-03 14:56:14.890 8959 TRACE keystone.common.wsgi File "/usr/lib/python2.7/dist-packages/keystone/token/provider.py", line 485, in revoke_token
  2015-02-03 14:56:14.890 8959 TRACE keystone.common.wsgi self._persistence.delete_token(token_id=token_id)
  2015-02-03 14:56:14.890 8959 TRACE keystone.common.wsgi File "/usr/lib/python2.7/dist-packages/keystone/token/persistence/core.py", line 106, in delete_token
  2015-02-03 14:56:14.890 8959 TRACE keystone.common.wsgi self.driver.delete_token(unique_id)
  2015-02-03 14:56:14.890 8959 TRACE keystone.common.wsgi File "/usr/lib/python2.7/dist-packages/keystone/token/persistence/backends/kvs.py", line 254, in delete_token
  2015-02-03 14:56:14.890 8959 TRACE keystone.common.wsgi self._add_to_revocation_list(data, lock)
  2015-02-03 14:56:14.890 8959 TRACE keystone.common.wsgi File "/usr/lib/python2.7/dist-packages/keystone/common/kvs/core.py", line 405, in _exit_
  2015-02-03 14:56:14.890 8959 TRACE keystone.common.wsgi self.release()
  2015-02-03 14:56:14.890 8959 TRACE keystone.common.wsgi File "/usr/lib/python2.7/dist-packages/keystone/common/kvs/core.py", line 398, in release
  2015-02-03 14:56:14.890 8959 TRACE keystone.common.wsgi if not self.expired:
  2015-02-03 14:56:14.890 8959 TRACE keystone.common.wsgi File "/usr/lib/python2.7/dist-packages/keystone/common/kvs/core.py", line 389, in expired
  2015-02-03 14:56:14.890 8959 TRACE keystone.common.wsgi if self.mutex.lock_timeout == 0:
  2015-02-03 14:56:14.890 8959 TRACE keystone.common.wsgi AttributeError: 'LuaLock' object has no attribute 'lock_timeout'
  2015-02-03 14:56:14.890 8959 TRACE keystone.common.wsgi

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