[root@control01 ~]# docker exec -ti kolla_ansible /bin/bash
bash-4.2$ ansible --version
Traceback (most recent call last):
  File "/usr/bin/ansible", line 40, in <module>
    from ansible.utils.display import Display
  File "/usr/lib/python2.7/site-packages/ansible/utils/display.py", line 49, in <module>
    debug_lock = Lock()
  File "/usr/lib64/python2.7/multiprocessing/__init__.py", line 176, in Lock
    return Lock()
  File "/usr/lib64/python2.7/multiprocessing/synchronize.py", line 147, in __init__
    SemLock.__init__(self, SEMAPHORE, 1, 1)
  File "/usr/lib64/python2.7/multiprocessing/synchronize.py", line 75, in __init__
    sl = self._semlock = _multiprocessing.SemLock(kind, value, maxvalue)
OSError: [Errno 13] Permission denied