node1 ansible_ssh_host={{ec2.instances[0].public_ip}} ansible_ssh_user={{ssh_user}} node2 ansible_ssh_host={{ec2.instances[1].public_ip}} ansible_ssh_user={{ssh_user}} node3 ansible_ssh_host={{ec2.instances[2].public_ip}} ansible_ssh_user={{ssh_user}} [kube-master] node1 node2 [kube-node] node1 node2 node3 [etcd] node1 node2 [k8s-cluster:children] kube-node kube-master