Extension of the Fuel graph concept for Fuel for OpenStack

Extend the Fuel graph concept so it is not necessarily should be tied to the deployment process. As minimum, we need to have a possibility to use a graph for the following base actions:  - verification  - deletion  - provisioning  - deployment For example, it is important to find out defects in the realistic netwo...

[Task-Based] Reduce size of serialised tasks for Fuel for OpenStack

Now the size of serialised tasks is more that 600M for 1000 nodes. Since the task parameters is same for all nodes, we can split the serialised tasks into 2 parts. first part will contain the parameters of task. the second part will contain only connections between tasks. the task['id'] will be used as unique ID t...