NewCIDRRangeAllocator returns a CIDRAllocator to allocate CIDR for node Caller must ensure subNetMaskSize is not less than cluster CIDR mask size.

NewCloudCIDRAllocator creates a new cloud CIDR allocator.

CloudAllocatorType is the allocator that uses cloud platform support to do node CIDR range allocations.

RangeAllocatorType is the allocator that uses an internal CIDR range allocator to do node CIDR range allocations.

CIDRAllocator is an interface implemented by things that know how to allocate/occupy/recycle CIDR for nodes.

CIDRAllocatorType is the type of the allocator to use.