...
ssh-keygen -t rsa #( passphrase: contrail123contrail1 )
ssh-copy-id root@localhost
ssh-copy-id root@<master-node>
ssh-copy-id root@<slave-node>
cd /root
git clone https://github.com/savithruml/openshift-contrail
git clone https://github.com/openshift/openshift-ansible
yes | cp /root/openshift-contrail/openshift/install-files/ose-install openshift-ansible/inventory/byo
yes | cp /root/openshift-contrail/openshift/install-files/ose-prerequisites.yml openshift-ansible/inventory/byo
...