Lookup plugin should use templates/ folder when used in role

[akloeber]

When using {{ lookup('template', 'foo.txt') }} in a role the file is looked up in the files folder. To make this compatible with the directory layout for roles the lookup should be based on the templates folder instead (maybe the files folder can be used as a fallback to keep backwards compatibility).

A minimal example has been provided at https://github.com/akloeber/misc/blob/master/ansible_issue_9317.zip. Its output is:

$ ansible-playbook site.yml -i hosts -u deploy && ansible --version

PLAY [all] ******************************************************************** 

GATHERING FACTS *************************************************************** 
ok: [main-test]

TASK: [foo | debug msg=] ****************************************************** 
ok: [main-test] => {
    "msg": "main-test"
}

TASK: [foo | debug msg=] ****************************************************** 
ok: [main-test] => {
    "msg": ""
}

PLAY RECAP ******************************************************************** 
main-test                  : ok=3    changed=0    unreachable=0    failed=0   

ansible 1.7.2

Lookup in files folder of roles has been added when fixing #2697.

[bcoca]

overlaps with #9551

[jimi-c]

This issue has been resolved as of 2.0 and works in current devel/stable-2.1. As such, we will close it now.

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Thank you!