yfPX2rRi

1[master]
2192.168.1.10 ansible_connection=ssh ansible_ssh_user=vagrant ansible_ssh_pass=vagrant
3
4[slave]
5192.168.1.11 ansible_connection=ssh ansible_ssh_user=vagrant ansible_ssh_pass=vagrant
6192.168.1.12 ansible_connection=ssh ansible_ssh_user=vagrant ansible_ssh_pass=vagrant
7
8[app]
9192.168.1.13 ansible_connection=ssh ansible_ssh_user=vagrant ansible_ssh_pass=vagrant
10
11[all:children]
12master
13slave
14	
15[all:vars]
16ansible_connection=ssh 
17ansible_ssh_user=vagrant 
18ansible_ssh_pass=vagrant
19	
20---
21# file: group_vars/all
22ansible_connection: ssh 
23ansible_ssh_user: vagrant 
24ansible_ssh_pass: vagrant
25	
26[defaults]
27inventory = ./path/to/inventory
28	
29ansible slave -a 'hostname'