Am Freitag, 27. Januar 2017 08:50:52 UTC+1 schrieb Johannes Kastl:
> Add a when condition to only execute the task, if e.g. your variable
> aptpackages is defined
> when: 'aptpackages is defined'
> (indentation equal to the name or apt lines)
>
> Johannes
>
>
As mentioned before, your answer helped a lot! Here is the solution I came
up with.
- name: install apt packages
apt: name={{ item }} state=latest
delegate_to: "{{ groups.launched[0] }}"
with_items: "{{ aptpackages }}"
when: not((aptpackages is undefined) or (aptpackages is none) or
(aptpackages | trim == ''))
I thought it would be more resilient to check if the variable is just
undefined, none existing or empty. Because in all cases I want that action
to be skipped. I tested all cases and it works for me. :)
I will also think about the other suggestion
<http://www.dict.cc/englisch-deutsch/suggestion.html>s you made.
René
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