On Sun, 16 May 2021 22:51:02 +0200 Vladimir Botka <vbo...@gmail.com> wrote:
> On Sun, 16 May 2021 01:35:46 -0700
> Scott Mcdermott <sc...@smemsh.net> wrote:
>
> > I cannot use a default because this whole thing is relying
> > on whether it's defined or not later to take different actions.
> > the fuller example is:
> >
> > - name: determine_subnet
> > when: >
> > project == project_bake
> > or hostvars[target].ipnet is defined
> > set_fact:
> > subnet: '{{
> > (project == project_bake) | ternary(
> > subnet_bake, determined_subnet
> > )}}'
>
> What value of *subnet* do you want to set when '(project !=
> project_bake) and (determined_subnet is undefined)' ?
When the corresponding alternatives shall always be defined the
defaults can't hurt, e.g.
- set_fact:
subnet: '{{ (project == project_bake)|
ternary(subnet_bake|default(None),
determined_subnet|default(None) }}'
In this case test sanity first
- fail:
msg: Variable undefined
when: ((project == project_bake) and (subnet_bake is undefined)) or
((project != project_bake) and (determined_subnet is
undefined))
--
Vladimir Botka
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