func NewAllocatable()

in pkg/noderesources/allocatable.go [80:118]
33 lines of code
9 McCabe index (conditional complexity)

func NewAllocatable(_ context.Context, allocArgs runtime.Object, h framework.Handle) (framework.Plugin, error) {
	// Start with default values.
	mode := config.Least
	resToWeightMap := defaultResourcesToWeightMap

	// Update values from args, if specified.
	if allocArgs != nil {
		args, ok := allocArgs.(*config.NodeResourcesAllocatableArgs)
		if !ok {
			return nil, fmt.Errorf("want args to be of type NodeResourcesAllocatableArgs, got %T", allocArgs)
		}
		if args.Mode != "" {
			mode = args.Mode
			if mode != config.Least && mode != config.Most {
				return nil, fmt.Errorf("invalid mode, got %s", mode)
			}
		}

		if len(args.Resources) > 0 {
			if err := validateResources(args.Resources); err != nil {
				return nil, err
			}

			resToWeightMap = make(resourceToWeightMap)
			for _, resource := range args.Resources {
				resToWeightMap[v1.ResourceName(resource.Name)] = resource.Weight
			}
		}
	}

	return &Allocatable{
		handle: h,
		resourceAllocationScorer: resourceAllocationScorer{
			Name:                AllocatableName,
			scorer:              resourceScorer(resToWeightMap, mode),
			resourceToWeightMap: resToWeightMap,
		},
	}, nil
}