On Wed, 18 Mar 2020 13:53:09 +0100 Michael Ströder <[email protected]> wrote:
> I'd like to override a default for
> var_b defined in roles/role_b/defaults/main.yml
>
> with a value of
>
> var_a defined in roles/role_a/defaults/main.yml
>
> Is this possible?
If you import the roles try (not tested)
shell> cat roles/role_b/defaults/main.yml
var_b: "{{ ('role_a' in ansible_role_names)|
ternary(var_a, 'var_b_default_in_role_b') }}"
> Can I reference role vars?
Yes. Simply reference the variable. For example
- debug:
var: var_b
> Or is this rather a use-case of include_role?
Include role is more complex because the variables of the included role might
be available in the playbook after the include. See attribute "public"
https://docs.ansible.com/ansible/latest/modules/include_role_module.html#parameter-public
HTH,
-vlado
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