With a simple list, you can do stuff like:
- shell: echo {{ item }}
with_items: alist_that_may_be_undefined | default([])
Which will iterate over a list of 0 if there is nothing in it.
What you might wish to do is set users by default to an empty array
(perhaps in roles/foo/defaults.yml) or something similar, to ensure it
always has a value.
On Wed, Aug 20, 2014 at 4:46 AM, Nakai Tooru <[email protected]> wrote:
> Hello,
>
> Is it possible to skip a task with_subelements if its dictionary is
> undefined?
>
> For example,
>
> - authorized_key: "user={{ item.0.name }} key='{{ lookup('file',
> item.1)}}'"
> with_subelements:
> - users
> - authorized
> when: users is defined
>
> This is failed with;
> fatal: [localhost] => subelements lookup expects a dictionary, got 'users'.
>
> It seems with_subelements evaluate the action before check condition.
>
> Thanks
>
> --
> nakai
>
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