Synnefo

Modification in logic for new-style networks

Major modifications to Network model

Since Ganeti version 2.6, Ganeti is aware of private networks. We take
advantage of this by propagating network handling to Ganeti. Network
model is expanded to include information about the type of network
(public routed, physical vlan, private filtered), subnet, gateway, dhcp,...

Remove stale save's in db

Create network queues and refactor dispatcher

Implement backend allocator and management command

New module implementing instance allocation to one of the available
backends. Allocation is performed based on memory and disk utilization.
Statistics for each backend are stored in DB and updated periodically....