[Freeipa-devel] XML-RPC API: update_*

[Rob Crittenden]

The XML-RPC interface for updating things is a bit funky. One needs to 
pass in the original entry and the new one and those are diffed and 
committed by the API.

Kevin liked doing it this way because it decreased the chance of mid-air 
collisions.

So if admin A and admin B both edited user U at the same time but 
updated different fields both commits would succeed if we send the 
original record. Otherwise one would stomp on the other.

That is fine but not everyone will want to carry the original data 
around merely to pass it back. I'm proposing a compromise: we provide both.

I want to make it support an empty record ('') for old. If that happens 
then we look up the current record and use that as the "old" entry. 
Otherwise we use the one passed in. Alternatively I could create a 
separate set of calls, one that handles old and new and one that just 
handles new but that might be even more confusing.

Opinions?

rob
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