ceph@ceph-admin ~/clustername $ ceph-deploy gatherkeys ceph-admin
[ceph_deploy.cli][INFO  ] Invoked (1.3.2): /usr/bin/ceph-deploy gatherkeys ceph-admin
[ceph_deploy.gatherkeys][DEBUG ] Checking ceph-admin for /etc/ceph/ceph.client.admin.keyring
[ceph-admin][DEBUG ] connected to host: ceph-admin
[ceph-admin][DEBUG ] detect platform information from remote host
[ceph-admin][DEBUG ] detect machine type
[ceph-admin][DEBUG ] fetch remote file
[ceph_deploy.gatherkeys][DEBUG ] Got ceph.client.admin.keyring key from ceph-admin.
[ceph_deploy.gatherkeys][DEBUG ] Have ceph.mon.keyring
[ceph_deploy.gatherkeys][DEBUG ] Checking ceph-admin for /var/lib/ceph/bootstrap-osd/ceph.keyring
[ceph-admin][DEBUG ] connected to host: ceph-admin
[ceph-admin][DEBUG ] detect platform information from remote host
[ceph-admin][DEBUG ] detect machine type
[ceph-admin][DEBUG ] fetch remote file
[ceph_deploy.gatherkeys][DEBUG ] Got ceph.bootstrap-osd.keyring key from ceph-admin.
[ceph_deploy.gatherkeys][DEBUG ] Checking ceph-admin for /var/lib/ceph/bootstrap-mds/ceph.keyring
[ceph-admin][DEBUG ] connected to host: ceph-admin
[ceph-admin][DEBUG ] detect platform information from remote host
[ceph-admin][DEBUG ] detect machine type
[ceph-admin][DEBUG ] fetch remote file
[ceph_deploy.gatherkeys][DEBUG ] Got ceph.bootstrap-mds.keyring key from ceph-admin.
Exception in thread Thread-3 (most likely raised during interpreter shutdown):
Traceback (most recent call last):
  File "/usr/lib64/python2.6/threading.py", line 532, in __bootstrap_inner
  File "/usr/lib/python2.6/site-packages/ceph_deploy/lib/remoto/lib/execnet/threadpool.py", line 84, in run
  File "/usr/lib/python2.6/site-packages/ceph_deploy/lib/remoto/lib/execnet/threadpool.py", line 65, in _run_once
  File "/usr/lib64/python2.6/Queue.py", line 168, in get
  File "/usr/lib64/python2.6/threading.py", line 232, in wait
<type 'exceptions.TypeError'>: 'NoneType' object is not callable