monitors

var (
	// StartupLatencyBuckets represents the histogram bucket boundaries for pod
	// startup latency metrics, measured in seconds. These are hand-picked so
	// as to be roughly exponential but still round numbers in everyday units.
	// This is to minimise the number of buckets while allowing accurate
	// measurement of thresholds which might be used in SLOs e.g. x% of pods
	// start up within 30 seconds, or 15 minutes, etc.
	StartupLatencyBuckets = []float64{0.5, 1, 2, 3, 4, 5, 6, 8, 10, 20, 30, 45, 60, 120, 180, 240, 300, 360, 480, 600, 900, 1200, 1800, 2700, 3600}

	// PodE2EStartupLatency is a prometheus metric for monitoring pod startup latency.
	PodE2EStartupLatency = prometheus.NewHistogram(
		prometheus.HistogramOpts{
			Name:    PodE2EStartupLatencyKey,
			Help:    "Pod e2e startup latencies in seconds, without image pull times",
			Buckets: StartupLatencyBuckets,
		},
	)

	// PodFullStartupLatency is a prometheus metric for monitoring pod startup latency including image pull times.
	PodFullStartupLatency = prometheus.NewHistogram(
		prometheus.HistogramOpts{
			Name:    PodFullStartupLatencyKey,
			Help:    "Pod e2e startup latencies in seconds, with image pull times",
			Buckets: StartupLatencyBuckets,
		},
	)
)