Is there some way inside of a playbook to see if a role changed something?
The use case is this:
tests_of_my_role.yml:
- name: call role to see if working
include_role:
name: my_role
vars:
- my role vars
- set_fact:
__role_changes_before: "{{ _tqm._stats.changes }}"
- name: call role again to see if idempotent
include_role:
name: my_role
vars:
- my role vars
- assert:
that: __role_changes_before == _tqm._stats.changes
msg: Role is not idempotent!
I'm assuming it would be possible to keep track of the changes with a
callback plugin, but I'm not sure how the callback would make the
"num_of_changes" variable available at the playbook scope.
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