New in version 2.5.
Parameter |
Choices/Defaults |
Configuration |
Comments |
---|---|---|---|
_term
required |
|
|
The variable names to look up.
|
default
|
|
|
What to return if a variable is undefined.
If no default is set, it will result in an error if any of the variables is undefined.
|
- name: Show value of 'variablename'
debug: msg="{{ lookup('vars', 'variabl' + myvar)}}"
vars:
variablename: hello
myvar: ename
- name: Show default empty since i dont have 'variablnotename'
debug: msg="{{ lookup('vars', 'variabl' + myvar, default='')}}"
vars:
variablename: hello
myvar: notename
- name: Produce an error since i dont have 'variablnotename'
debug: msg="{{ lookup('vars', 'variabl' + myvar)}}"
ignore_errors: True
vars:
variablename: hello
myvar: notename
- name: find several related variables:
debug: msg="{{ lookup('vars', 'ansible_play_hosts', 'ansible_play_batch', 'ansible_play_hosts_all') }}"
- name: alternate way to find some 'prefixed vars' in loop
debug: msg="{{ lookup('vars', 'ansible_play_' + item) }}"
loop:
- hosts
- batch
- hosts_all
Common return values are documented here, the following are the fields unique to this lookup:
Key |
Returned |
Description |
---|---|---|
_value
|
valueof the variables requested.
|
Hint
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