Custom Jinja tests?

[Joost Cassee]

Hi,

Custom template filters are a great way to take the programming out of my playbooks. Sometimes I would like to have a Jinja test, though.

For example, I have a filter 'is_in_zone(domain, zone)' to see if a domain ends with a certain tail. For example, 'test.example.com' is in zone 'example.com' (and in 'com').

{{ domain | is_in_zone(zone) }} would look nicer as {{ domain is in_zone(zone) }}, and having it as a test would also make it possible to use it in 'select' filters.

Is it possible to create custom Jinja tests? If not, where in the code should I look if I want to take a stab at adding that feature?

Regards,
Joost

[Michael DeHaan]

What you are describing is a Jinja2 filter.

Read about filter plugins here and search the source tree for "core.py" for plenty of examples. 

http://docs.ansible.com/developing_plugins.html

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[Michael DeHaan]

Also this is also a topic for ansible-devel :)

It's international join-ansible-devel advocacy day!

https://groups.google.com/forum/#!forum/ansible-devel

[Matt Martz]

Additionally you could achieve this using the regex "|search" filter or even the python string method .endswith()

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[Joost Cassee]

Moving to ansible-devel. :-)

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