Merge pull request #297 from stackhpc/fix/skelton-ssh-persist

Fix ssh ControlPath in skeleton

Author: sjpb

environments/skeleton/{{cookiecutter.environment}}/ansible.cfg

@@ -11,5 +11,5 @@ roles_path = ../../ansible/roles
 filter_plugins = ../../ansible/filter_plugins
 
 [ssh_connection]
-ssh_args = -o ControlMaster=auto -o ControlPersist=240s -o PreferredAuthentications=publickey -o UserKnownHostsFile=/dev/null
+ssh_args = -o ControlMaster=auto ControlPath=~/.ssh/%r@%h-%p -o ControlPersist=240s -o PreferredAuthentications=publickey -o UserKnownHostsFile=/dev/null
 pipelining = True