func CheckClusterResource()

in pkg/coscheduling/core/core.go [298:318]

• 20 lines of code
• 7 McCabe index (conditional complexity)

func CheckClusterResource(ctx context.Context, nodeList []*framework.NodeInfo, resourceRequest corev1.ResourceList, desiredPodGroupName string) error {
	for _, info := range nodeList {
		if info == nil || info.Node() == nil {
			continue
		}

		nodeResource := util.ResourceList(getNodeResource(ctx, info, desiredPodGroupName))
		for name, quant := range resourceRequest {
			quant.Sub(nodeResource[name])
			if quant.Sign() <= 0 {
				delete(resourceRequest, name)
				continue
			}
			resourceRequest[name] = quant
		}
		if len(resourceRequest) == 0 {
			return nil
		}
	}
	return fmt.Errorf("resource gap: %v", resourceRequest)
}