Read data of checkpoint of certain name of a given flow

[benedeki]

Background

Atum is to provide read abilities too, not just write

Goal

We need to read all the measurements across a checkpoint of certain name within a flow.

Tasks

Beta Give feedback

1. Figure out a preferable way to return checkpoints data. #177
   0 of 5
   DB question +2
   
2. Figure out a more natural way to work and identify flows #178
   spike +1
   
3. Create DB function to get all checkpoint data of a flow #187
   DB enhancement +2
   
4. Create Server endpoints (v2) returning the checkpoins data #188
   Model Server enhancement +3
   
5. Add the ability to AtumAgent (maybe, depending on How to read information stored by Atum server? #179 )

[lsulak]

Done! Not part of Agent yet as we talked that we'll only add it if / after a while, if it will be convenient for our users / usage of it.