ansible/community.general
1
0
Fork 0
mirror of https://github.com/ansible-collections/community.general.git synced 2024-09-14 20:13:21 +02:00
Code Releases Activity

Document "|default" Jinja2 filter example.

Browse source
This commit is contained in:
Michael DeHaan 2014-02-15 14:01:07 -05:00
parent 52c9c1dc39
commit 47316074fe
1 changed files with 13 additions and 0 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

13
docsite/rst/playbooks_variables.rst
View file

@ -166,6 +166,19 @@ This allows an explicit check with this feature off::
The variable value will be used as is, but the template evaluation will raise an error if it is undefined.
.. _defaulting_undefined_variables:
Defaulting Undefined Variables
------------------------------
Jinja2 provides a useful 'defaults' filter, that is often a better approach to failing if a variable is not defined.
{{ some_variable | default(5) }}
In the above example, if the variable 'some_variable' is not defined, the value used will be 5, rather than an error
being raised.
.. _set_theory_filters:
Set Theory Filters