ConstReadonlyON_DEMAND: "ON_DEMAND"Use on-demand instances.
ReadonlySPOT: "SPOT"Use spot instances.
ReadonlySPOT_WITH_FALLBACK: "SPOT_WITH_FALLBACK"Preferably use spot instances, but fall back to on-demand instances if spot instances cannot be acquired (e.g., if AWS spot prices are too high).
The set of AWS availability types supported when setting up nodes for a cluster.