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Add a new "contains" jinja2 test (#45798)

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* Add contains jinja2 test

* backticks
This commit is contained in:
Matt Martz
2018-11-07 14:49:00 -06:00
committed by GitHub
parent 421d67f1ee
commit f728f2bff0
3 changed files with 48 additions and 0 deletions
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35
docs/docsite/rst/user_guide/playbooks_tests.rst
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@@ -113,6 +113,41 @@ To see if a list includes or is included by another list, you can use 'subset' a
msg: "B is included in A"
when: b is subset(a)
.. _contains_test:
Test if a list contains a value
```````````````````````````````
.. versionadded:: 2.8
Ansible includes a ``contains`` test which operates similarly, but in reverse of the Jinja2 provided ``in`` test.
This is designed with the ability to allow use of ``contains`` with filters such as ``map`` and ``selectattr``::
vars:
lacp_groups:
- master: lacp0
network: 10.65.100.0/24
gateway: 10.65.100.1
dns4:
- 10.65.100.10
- 10.65.100.11
interfaces:
- em1
- em2
- master: lacp1
network: 10.65.120.0/24
gateway: 10.65.120.1
dns4:
- 10.65.100.10
- 10.65.100.11
interfaces:
- em3
- em4
tasks:
- debug:
msg: "{{ (lacp_groups|selectattr('interfaces', 'contains', 'em1')|first).master }}"
.. _path_tests: