},
	[]string{"volume_plugin", "operation_name", "status", "migrated"},
)

var storageOperationEndToEndLatencyMetric = metrics.NewHistogramVec(
	&metrics.HistogramOpts{
		Name:           "volume_operation_total_seconds",
		Help:           "Storage operation end to end duration in seconds",
		Buckets:        []float64{.1, .25, .5, 1, 2.5, 5, 10, 15, 25, 50, 120, 300, 600},
		StabilityLevel: metrics.ALPHA,
	},