all: children: taller: children: front: hosts: front1: ansible_host: 10.10.10.89 back: hosts: back1: ansible_host: 10.10.10.70 vars: ansible_user: root ansible_ssh_pass: password ansible_ssh_common_args: '-o StrictHostKeyChecking=no -o UserKnownHostsFile=/dev/null' containers: hosts: curso[3:4]: password: password