I'm running ansible on Ubuntu 14.04.2 LTS running OpenSSH_6.6.1p1 inside of 
a Docker container with a CoreOS host, and running this command as root:

ansible key_tleyden -i inventory -m ping -u centos -vvvv


and seeing this error: 

ec2-52-152-154-133.compute-1.amazonaws.com | FAILED => SSH Error: debug2: 
set_control_persist_exit_time: schedule exit in 60 seconds
    while connecting to 10.152.151.154:22

After quite a lot of digging (I wish ansible gave a clearer error message 
here), it seemed to be related to SSH ControlPersist, so I tried running 
this command (also as root):

ssh -o ControlMaster=auto -o ControlPersist=60s -o ControlPath=$CP 
[email protected]


and with that I get the error:

Control socket 
connect(/root/.ansible/cp/ansible-ssh-10.119.181.141-22-centos): Connection 
refused


I can see the domain socket here:

srw------- 1 root root    0 Jun 10 18:11 
ansible-ssh-ec2-54-157-151-133.compute-1.amazonaws.com-22-centos

but am unclear on why ssh can't seem to use it. 

If I change my ansible.cfg to disable the ControlPersist settings via:


[ssh_connection]
ssh_args =


Then the ansible errors completely go away.



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