[Rpm-maint] Rally: minor API requests

[Maxim Udushlivy]

Maxim Udushlivy wrote:
> I also think that it is unreliable; the alternative is, as I said 
> earlier, to return the number of rpmtsRun invocations in non-testing 
> mode. This requires a global integer counter - something that I am not 
> sure how to implement in accordance with RPM coding standards.
>
Alas, global integer is unreliable too, even containing the last 
transaction id. What about a global uuid string (uuid_generate), created 
for every transaction?