+ if instanceType.Preemptible {
+ // Setting maxPrice to -1 is the equivalent of paying spot price, up to the
+ // normal price. This means the node will not be pre-empted for price
+ // reasons. It may still be pre-empted for capacity reasons though. And
+ // Azure offers *no* SLA on spot instances.
+ var maxPrice float64 = -1
+ vmParameters.VirtualMachineProperties.Priority = compute.Spot
+ vmParameters.VirtualMachineProperties.EvictionPolicy = compute.Delete
+ vmParameters.VirtualMachineProperties.BillingProfile = &compute.BillingProfile{MaxPrice: &maxPrice}
+ }
+