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   In the case the installation is done "locally": log into the VM in AWS, and then do the installation from here: the VM AWS
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On the Local PC: Terraform >>>> create the VM on AWS ( with the key )
On the Local PC: Ansible  push the configuration steps to the VM on AWS   

1- Log as "centos" user ( same as the VM on AWS, just make it easier )
2- upload the key on the local PC ( same key as on the VM AWS, make it easier to log into it )
3- # ssh-keygen ( .ssh/id_rsa is the default, passphrase cont... )   # not needed becuase I will use the same key as AWS
   ssh-agent bash
   ssh-add ~/.ssh/TerraformKeyPair.pem
   # ssh-add -l  or    ssh-add -L     #just to check
   
   more .ssh/authorized_keys    >>> can see the terraformapukey ( to log into the VM remotely : home to AWS DC)
   vi .ssh/authorized_keys      # add the key from "ssh-add -L "
   
   ssh localhost                  # just to check that the key has been copy and works 
   exit 



#ssh-copy-id <10.0.1.104>
sudo#Centos
#sudo yum install -y ansible-2.4.2.0
#sudo yum install git -y
#Ubuntu
sudo yumpip install ansible==2.4.2.0
sudo apt-get install git -y

git clone http://github.com/Juniper/contrail-ansible-deployer
cd contrail-ansible-deployer
#ansible-playbook -i inventory/ -e orchestrator=kubernetes -e '{"instances":{"bms1":{"ip":"10.0.1.104","provider":"bms"}}}' playbooks/configure_instances.yml
#ansible-playbook -i inventory/ -e orchestrator=kubernetes -e '{"instances":{"bms1":{"ip":"10.0.1.104","provider":"bms"}}}' playbooks/install_contrail.yml

ansible-playbook -i inventory/ -e orchestrator=kubernetes -e '{"instances":{"bms1":{"ip":"localhost","provider":"bms"}}}' playbooks/configure_instances.yml
ansible-playbook -i inventory/ -e orchestrator=kubernetes -e '{"instances":{"bms1":{"ip":"localhost","provider":"bms"}}}' playbooks/install_contrail.yml