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Clearer examples of hosts.yml inventory (#57999)

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* Clearer examples of hosts.yml inventory
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Brian Coca 2019-06-18 16:58:28 -04:00 committed by Alicia Cozine
parent 8646b6953d
commit 751134ff17
1 changed files with 34 additions and 23 deletions
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57
examples/hosts.yaml
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@ -14,7 +14,7 @@
# - You can enter hostnames or IP addresses
# - A hostname/IP can be a member of multiple groups
# Ex 1: Ungrouped hosts, put them in 'all' or 'ungrouped' group
# Ex 1: Ungrouped hosts, put them in 'all' or 'ungrouped' group, defines 4 hosts, one with 2 variables
##all:
## hosts:
## green.example.com:
@ -24,35 +24,46 @@
## 192.168.100.1:
## 192.168.100.10:
# Ex 2: A collection of hosts belonging to the 'webservers' group
## children:
## webservers:
## hosts:
## alpha.example.org:
## beta.example.org:
## 192.168.1.100:
## 192.168.1.110:
# Ex 2: A collection of hosts belonging to the 'webservers' group, with shared group var
##webservers:
## hosts:
## alpha.example.org:
## beta.example.org:
## 192.168.1.100:
## 192.168.1.110:
## vars:
## http_port: 8080
# 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.
# webservers is added as a child group of testing. gamma.example.org is added
# to the existing webservers group. All references to webservers will
# get alpha.example.org, beta.example.org, gamma.example.org, 192.168.1.100
# and 192.168.1.110. References to testing will get all of those hosts plus
# any host matching www[001:006].example.com
# Hosts in child groups inherit all variables from parent, parents include all hosts in child groups.
# webservers is added as a child group of testing, so all gamma hosts (1-3) are added
# to the 'webservers' group, including gamma3, which is defined in the tree of another parent group.
# All references to webservers will get any hosts defined under webservers.
# References to testing will get all of those hosts plus any host matching www[001:006].example.com
## testing:
## hosts:
## www[001:006].example.com:
## vars:
## testing1: value1
## children:
## webservers:
## hosts:
## gamma.example.org:
##webservers:
## hosts:
## gamma1.example.org:
## gamma2.example.org:
##testing:
## hosts:
## www[001:006].example.com:
## vars:
## testing1: value1
## children:
## webservers:
##other:
## children:
## webservers:
## gamma3.example.org
# From above, the testing group contains: gamma1.example.org gamma2.example.org gamma3.example.org www001.example.com www002.example.com www003.example.com www004.example.com www005.example.com www006.example.com
# Ex 4: all vars
# keeping within 'all' group you can define common 'all' vars here with lowest precedence
##all:
## vars:
## commontoall: thisvar