ansible/examples/hosts.yaml

# This is the default ansible 'hosts' file.
#
# It should live in /etc/ansible/hosts
#
#   - Comments begin with the '#' character
#   - Blank lines are ignored
#   - Top level entries are assumed to be groups
#   - Hosts must be specified in a group's hosts:
#     and they must be a key (: terminated)
#   - groups can have children, hosts and vars keys
#   - Anything defined under a hosts is assumed to be a var
#   - You can enter hostnames or ip addresses
#   - A hostname/ip can be a member of multiple groups
# Ex 1: Ungrouped hosts, put in 'ungrouped' group
##ungrouped:
##  hosts:
##      green.example.com:
##          ansible_ssh_host: 191.168.100.32
##      blue.example.com:
##      192.168.100.1:
##      192.168.100.10:

# Ex 2: A collection of hosts belonging to the 'webservers' group

##webservers:
##  hosts:
##      alpha.example.org:
##      beta.example.org:
##      192.168.1.100:
##      192.168.1.110:

# Ex 3: You can create hosts using ranges and add children groups and vars to a group
# The child group can define anything you would normally add to a group

##testing:
##  hosts:
##      www[001:006].example.com:
##  vars:
##      testing1: value1
##  children:
##      webservers:
##          hosts:
##              beta.example.org: