frostfs-node/pkg/metrics/innerring.go

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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
}