Not really. I did a PoC of an action plugin that could do this, but we
never really moved forward with it, and I don't know where the code is.
It basically executed the role 2 times from the action plugin, with a
custom callback, and then reported whether the role had produced a change.
On Wed, Jan 26, 2022 at 12:59 PM Richard Megginson <rmegg...@redhat.com>
wrote:
> 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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--
Matt Martz
@sivel
sivel.net
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