Hi
I'm trying to nest roles using dependencies in order to reuse as much code
as possible and get into trouble when trying to omit some parameters
My setup:
# roles/roleA/tasks/main.yml
---
- debug: msg="var var_rolea is set to {{ var_rolea|default('no idea') }}"
# roles/roleB/meta/main.yml
dependencies:
- { role: roleA,
var_rolea: "{{ var_roleb }}"
}
# playbook
# play1, specify value
- hosts: localhost
gather_facts: no
roles:
- role: roleB
var_roleb: plop
# play2, omit value, let defaults apply
- hosts: localhost
gather_facts: no
roles:
- role: roleB
I get a « fatal: [localhost] => One or more undefined variables:
'var_roleb' is undefined » error in this case.
I tried several tricks into the roleB/meta/main.yml, such as:
- var_rolea: "{{ var_roleb|default(omit) }}"
- var_rolea: "{{ var_roleb|default(None) }}"
But so far, I haven't found a pretty way to do this.
Any Idea?
Regards,
Arnaud
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