Ceph » devops

When pushy can't connect to a remote host it errors out and ceph-deploy does not handle the exception
resulting in a traceback.

This error should be handled and reported back to the user.

$ ceph-deploy purge node2dsf
[ceph_deploy.install][DEBUG ] Purging from cluster ceph hosts node2dsf
[ceph_deploy.install][DEBUG ] Detecting platform for host node2dsf ...
Traceback (most recent call last):
  File "/Users/alfredo/.virtualenvs/ceph-deploy/bin/ceph-deploy", line 8, in <module>
    load_entry_point('ceph-deploy==1.2.1', 'console_scripts', 'ceph-deploy')()
  File "/Users/alfredo/python/ceph-deploy/ceph_deploy/util/decorators.py", line 83, in newfunc
    return f(*a, **kw)
  File "/Users/alfredo/python/ceph-deploy/ceph_deploy/cli.py", line 140, in main
    return args.func(args)
  File "/Users/alfredo/python/ceph-deploy/ceph_deploy/install.py", line 214, in purge
    sudo = args.pushy(get_transport(hostname))
  File "/Users/alfredo/.virtualenvs/ceph-deploy/lib/python2.7/site-packages/pushy/client.py", line 580, in connect
    return PushyClient(target, **kwargs)
  File "/Users/alfredo/.virtualenvs/ceph-deploy/lib/python2.7/site-packages/pushy/client.py", line 364, in __init__
    self.server.stdin.write(marshal.dumps(packages, 1))
pushy.client.ClientInitException:
  [remote] ssh: Could not resolve hostname node2dsf: nodename nor servname provided, or not known