inventory.my.dev

[targets]
node1    ansible_ssh_host=node1.my.dev
node2    ansible_ssh_host=node2.my.dev
st2      ansible_ssh_host=st2.my.dev

[targets:vars]
ansible_user=root
target=vagrant

[docker_engine]
node1
node2
st2

[docker_swarm_manager]
st2

[docker_swarm_worker]
node1
node2

[docker_registry]
st2