)

var registerMetrics sync.Once

// Register all metrics.
func Register() {
	// Register the metrics.
	registerMetrics.Do(func() {
		RegisterMetrics(metricsList...)
		volumebindingmetrics.RegisterVolumeSchedulingMetrics()
	})
}

// RegisterMetrics registers a list of metrics.
// This function is exported because it is intended to be used by out-of-tree plugins to register their custom metrics.