Ceph

Run: http://pulpito.ceph.com/teuthology-2017-04-17_03:25:02-upgrade:kraken-x-master-distro-basic-smithi/
Logs: http://qa-proxy.ceph.com/teuthology/teuthology-2017-04-17_03:25:02-upgrade:kraken-x-master-distro-basic-smithi/1035798/teuthology.log

2017-04-17T12:44:16.905 INFO:teuthology.task.install:The correct ceph version 12.0.0-2658-g4314e3d-1trusty is installed.
2017-04-17T12:44:16.905 INFO:teuthology.run_tasks:Running task print...
2017-04-17T12:44:16.980 INFO:teuthology.task.print:**** done install.upgrade on client.0
2017-04-17T12:44:16.981 INFO:teuthology.run_tasks:Running task exec...
2017-04-17T12:44:17.001 INFO:teuthology.task.exec:Executing custom commands...
2017-04-17T12:44:17.001 ERROR:teuthology.run_tasks:Saw exception from tasks.
Traceback (most recent call last):
  File "/home/teuthworker/src/git.ceph.com_git_teuthology_master/teuthology/run_tasks.py", line 86, in run_tasks
    manager = run_one_task(taskname, ctx=ctx, config=config)
  File "/home/teuthworker/src/git.ceph.com_git_teuthology_master/teuthology/run_tasks.py", line 65, in run_one_task
    return task(**kwargs)
  File "/home/teuthworker/src/git.ceph.com_git_teuthology_master/teuthology/task/exec.py", line 44, in task
    (remote,) = ctx.cluster.only(role).remotes.iterkeys()
ValueError: need more than 0 values to unpack
2017-04-17T12:44:17.026 ERROR:teuthology.run_tasks: Sentry event: http://sentry.ceph.com/sepia/teuthology/?q=24ce4632509a48e0834c74f468bb2a48
Traceback (most recent call last):
  File "/home/teuthworker/src/git.ceph.com_git_teuthology_master/teuthology/run_tasks.py", line 86, in run_tasks
    manager = run_one_task(taskname, ctx=ctx, config=config)
  File "/home/teuthworker/src/git.ceph.com_git_teuthology_master/teuthology/run_tasks.py", line 65, in run_one_task
    return task(**kwargs)
  File "/home/teuthworker/src/git.ceph.com_git_teuthology_master/teuthology/task/exec.py", line 44, in task
    (remote,) = ctx.cluster.only(role).remotes.iterkeys()
ValueError: need more than 0 values to unpack