AllocationStatusCheck checks the status of the allocation.

CheckSelector ia a func to check if the syntax of the Selector is right.

DiscoveryStatusCheck checks the status of the discovery.

FilterFlavor returns true if the Flavor CR fits the selector.

FilterFlavorsBySelector returns the Flavor CRs in the cluster that match the selector.

FilterPeeringCandidate filters the peering candidate based on the solver's flavor selector.

ReservationStatusCheck checks the status of the reservation.