[masters]
master1 ansible_host=192.168.112.170 ansible_user=root

[nodes]
node1 ansible_host=192.168.112.171 ansible_user=root
node2 ansible_host=192.168.112.172 ansible_user=root

[new_nodes]
node3 ansible_host=192.168.112.174 ansible_user=root

[all]
master1 ansible_host=192.168.112.170 ansible_user=root
node1 ansible_host=192.168.112.171 ansible_user=root
node2 ansible_host=192.168.112.172 ansible_user=root
node3 ansible_host=192.168.112.174 ansible_user=root