[Pacemaker] RFC: Better error reporting for RAs.

[Dominik Klein]

> Though I don't see the point, grepping for the resource id is usually
> just as effective.

I totally agree here. I have helped quite a few people understand their
problems on IRC and grepping the resource id usually works well.

> I'd suggest focusing on improving the error logging that most RAs have
> rather than adding yet more mechanisms for achieving the same thing.

Makes sense to me and I think it would also be less work than
implementing a new interface and modifying each RA to use it.

Regards
Dominik