error

TASK: [ceph | Fetching Ceph keyrings] *****************************************
<otc-ironic> ESTABLISH CONNECTION FOR USER: root
<otc-ironic> REMOTE_MODULE command docker exec ceph_mon fetch_ceph_keys.py
<otc-ironic> EXEC ssh -C -tt -vvv -o ControlMaster=auto -o ControlPersist=60s -o ControlPath="/home/otc-ironic/.ansible/cp/ansible-ssh-%h-%p-%r" -o KbdInteractiveAuthentication=no -o PreferredAuthentications=gssapi-with-mic,gssapi-keyex,hostbased,publickey -o PasswordAuthentication=no -o ConnectTimeout=10 otc-ironic /bin/sh -c 'mkdir -p $HOME/.ansible/tmp/ansible-tmp-1472161116.19-82396688606724 && echo $HOME/.ansible/tmp/ansible-tmp-1472161116.19-82396688606724'
fatal: [localhost -> otc-ironic] => SSH Error: Permission denied (publickey,password).
    while connecting to 127.0.0.1:22
It is sometimes useful to re-run the command using -vvvv, which prints SSH debug output to help diagnose the issue.

FATAL: all hosts have already failed -- aborting