metrics

var (
	// ImagePullSummary records the summary of pulling image latency.
	ImagePullSummary = prometheus.NewSummaryVec(
		prometheus.SummaryOpts{
			Subsystem: pouchSubsystem,
			Name:      "image_pull_latency_microseconds",
			Help:      "Latency in microseconds to pull a image.",
		},
		[]string{"image"},
	)
)