[cluster_nodes]
#ubuntu1 ansible_host=192.168.42.10
debian1 ansible_host=192.168.42.20 ansible_user=root public_ip=192.168.42.20 private_ip=192.168.42.20 interface=enp1s0 dns_server=208.67.222.222
debian2 ansible_host=192.168.42.21 ansible_user=root public_ip=192.168.42.21 private_ip=192.168.42.21 interface=enp1s0 dns_server=208.67.222.222
debian3 ansible_host=192.168.42.22 ansible_user=root public_ip=192.168.42.22 private_ip=192.168.42.22 interface=enp1s0 dns_server=208.67.222.222