package metrics import ( "strconv" "time" "git.frostfs.info/TrueCloudLab/frostfs-observability/metrics" "github.com/prometheus/client_golang/prometheus" ) const ( innerRingSubsystem = "ir" innerRingLabelSuccess = "success" innerRingLabelType = "type" ) // InnerRingServiceMetrics contains metrics collected by inner ring. type InnerRingServiceMetrics struct { epoch prometheus.Gauge health prometheus.Gauge eventDuration *prometheus.HistogramVec morphCacheMetrics *morphCacheMetrics } // NewInnerRingMetrics returns new instance of metrics collectors for inner ring. func NewInnerRingMetrics() *InnerRingServiceMetrics { var ( epoch = metrics.NewGauge(prometheus.GaugeOpts{ Namespace: namespace, Subsystem: innerRingSubsystem, Name: "epoch", Help: "Current epoch as seen by inner-ring node.", }) health = metrics.NewGauge(prometheus.GaugeOpts{ Namespace: namespace, Subsystem: innerRingSubsystem, Name: "health", Help: "Current inner-ring node state.", }) eventDuration = metrics.NewHistogramVec(prometheus.HistogramOpts{ Namespace: namespace, Subsystem: innerRingSubsystem, Name: "event_duration_seconds", Help: "Duration of processing of inner-ring events", }, []string{innerRingLabelType, innerRingLabelSuccess}) ) return &InnerRingServiceMetrics{ epoch: epoch, health: health, eventDuration: eventDuration, morphCacheMetrics: newMorphCacheMetrics(), } } // SetEpoch updates epoch metrics. func (m *InnerRingServiceMetrics) SetEpoch(epoch uint64) { m.epoch.Set(float64(epoch)) } // SetHealth updates health metrics. func (m *InnerRingServiceMetrics) SetHealth(s int32) { m.health.Set(float64(s)) } func (m *InnerRingServiceMetrics) AddEvent(d time.Duration, typ string, success bool) { m.eventDuration.With(prometheus.Labels{ innerRingLabelType: typ, innerRingLabelSuccess: strconv.FormatBool(success), }).Observe(d.Seconds()) } func (m *InnerRingServiceMetrics) MorphCacheMetrics() MorphCacheMetrics { return m.morphCacheMetrics }