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varnames – Lookup matching variable names
New in version 2.8.
Synopsis
- Retrieves a list of matching Ansible variable names.
Parameters
Parameter | Choices/Defaults | Configuration | Comments |
---|---|---|---|
_terms
- / required
|
List of Python regex patterns to search for in variable names.
|
Examples
- name: List variables that start with qz_
debug: msg="{{ lookup('varnames', '^qz_.+')}}"
vars:
qz_1: hello
qz_2: world
qa_1: "I won't show"
qz_: "I won't show either"
- name: Show all variables
debug: msg="{{ lookup('varnames', '.+')}}"
- name: Show variables with 'hosts' in their names
debug: msg="{{ lookup('varnames', 'hosts')}}"
- name: Find several related variables that end specific way
debug: msg="{{ lookup('varnames', '.+_zone$', '.+_location$') }}"
Return Values
Common return values are documented here, the following are the fields unique to this lookup:
Key | Returned | Description |
---|---|---|
_value
list
|
List of the variable names requested.
|
Status
- This lookup is not guaranteed to have a backwards compatible interface. [preview]
- This lookup is maintained by the Ansible Community. [community]
Authors
- Ansible Core
Hint
If you notice any issues in this documentation, you can edit this document to improve it.
Hint
Configuration entries for each entry type have a low to high priority order. For example, a variable that is lower in the list will override a variable that is higher up.
© 2012–2018 Michael DeHaan
© 2018–2019 Red Hat, Inc.
Licensed under the GNU General Public License version 3.
https://docs.ansible.com/ansible/2.8/plugins/lookup/varnames.html