Here is a solution using regex and map. It's not the most computationally
efficient, but it works.
---
- hosts: localhost
tasks:
- name: set first fact
set_fact:
list1:
- value1
- value2
- name: set second fact
set_fact:
var1: "{{ list1 | map('regex_replace', '^(.*)$','label \\1') |
list }} "
- name: print second fact
debug:
var: var1
Regards,
Matt
On Friday, May 3, 2019 at 3:00:45 AM UTC+10, Mark Tovey wrote:
>
>
>
> I have a list:
>
> list1
>
> - value1
>
> - value2
>
>
> and I want to use set_fact create a new variable that contains these
> variables with a label in front of them, so that this debug task:
>
> - debug:
>
> msg: "{{var1}}"
>
>
> would result in output that looks like this:
>
> label value1
>
> label value2
>
>
> This gives me the expected results:
>
> - set_fact:
>
> var1: |+
>
> "{{'label ' ~ list1[0]}}"
>
> "{{'label ' ~ list1[1]}}"
>
>
> But I need more flexibility than that. I need to be able to add or
> remove values to or from the list and not have to modify the set_fact task
> each time to accommodate the modification. I tried using the join filter:
>
> - set_fact:
>
> var1:
>
> "{{'label ' ~ list1 | join('\n')}}"
>
>
> And that got me:
>
> label value1
>
> value2
>
>
> Close, but not quite. So what is the best method of achieving what I
> want?
>
>
>
>
>
>
>
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