Conditional with dict2item is falied

[Rafael Tomelin]

Hi guys,

I have a task with equal below, but when I validate it is defined it not recognized.

- name: include vars virtual_machine

include_tasks: virtual_machine.yml

when:

- gms_az_vm_action == 'create_virtual_machine'

- virtual_machine is defined

loop: "{{ virtual_machine|dict2items }}"

How I do for doesn't read loop and not stop playbook when virtual_machine not defined?

--

Atenciosamente,

Rafael Tomelin
Tel.: 51-984104084
Skype: rafael.tomelin

LPI ID: LPI000191271

Red Hat Certified Engineer

Puppet Professional 2017 Certification

[Matt Martz]

In the case of using `when` and `loop`, the `when` statements is applied to each iteration of the `loop`, and not before it.

As such, you cannot prevent a loop from happening using a when statement.

Instead you want to do this in loop, like:

loop: '{{ virtual_machine|default({})|dict2items }}'

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Matt Martz
@sivel
sivel.net

[Rafael Tomelin]

OK, thanks!

To view this discussion on the web visit https://groups.google.com/d/msgid/ansible-project/CAD8N0v_A15vdx3waWE%3DH5ztveN-W6MdNz%2BP_WGAFOpEbRsFprg%40mail.gmail.com.

[Stefan Hornburg (Racke)]

On 6/15/20 9:39 PM, Rafael Tomelin wrote:
>
> Hi guys,
>
> I have a task with equal below, but when I validate it is defined it not recognized.
> - name: include vars virtual_machine
> include_tasks: virtual_machine.yml
> when:
> - gms_az_vm_action == 'create_virtual_machine'
> - virtual_machine is defined
> loop: "{{ virtual_machine|dict2items }}"
>
>
>
> How I do for doesn't read loop and not stop playbook when virtual_machine not defined?

loop: "{{ virtual_machine | default({}) | dict2items }}"

This produces an empty dict ({}) if virtual_machine is undefined and the loop goes over zero iterations.

Regards
Racke

>
> --
> Atenciosamente,
>
> Rafael Tomelin
> Tel.: 51-984104084
> Skype: rafael.tomelin
>
> LPI ID: LPI000191271
> Red Hat Certified Engineer
> Puppet Professional 2017 Certification
>

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