frostfs-node/pkg/metrics/engine.go

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package metrics
import (
"fmt"
"strings"
"time"
"github.com/prometheus/client_golang/prometheus"
)
type (
engineMetrics struct {
listContainersDuration prometheus.Counter
estimateContainerSizeDuration prometheus.Counter
deleteDuration prometheus.Counter
existsDuration prometheus.Counter
getDuration prometheus.Counter
headDuration prometheus.Counter
inhumeDuration prometheus.Counter
putDuration prometheus.Counter
rangeDuration prometheus.Counter
searchDuration prometheus.Counter
listObjectsDuration prometheus.Counter
containerSize prometheus.GaugeVec
payloadSize prometheus.GaugeVec
}
)
const engineSubsystem = "engine"
func newEngineMetrics() engineMetrics {
return engineMetrics{
listContainersDuration: newEngineMethodDurationCounter("list_containers_"),
estimateContainerSizeDuration: newEngineCounter("estimate_container_size_duration", "Accumulated duration of engine container size estimate operations"),
deleteDuration: newEngineMethodDurationCounter("delete"),
existsDuration: newEngineMethodDurationCounter("exists"),
getDuration: newEngineMethodDurationCounter("get"),
headDuration: newEngineMethodDurationCounter("head"),
inhumeDuration: newEngineMethodDurationCounter("inhume"),
putDuration: newEngineMethodDurationCounter("put"),
rangeDuration: newEngineMethodDurationCounter("range"),
searchDuration: newEngineMethodDurationCounter("search"),
listObjectsDuration: newEngineMethodDurationCounter("list_objects"),
containerSize: *newEngineGaugeVector("container_size", "Accumulated size of all objects in a container", []string{containerIDLabelKey}),
payloadSize: *newEngineGaugeVector("payload_size", "Accumulated size of all objects in a shard", []string{shardIDLabelKey}),
}
}
func newEngineCounter(name, help string) prometheus.Counter {
return prometheus.NewCounter(prometheus.CounterOpts{
Namespace: namespace,
Subsystem: engineSubsystem,
Name: name,
Help: help,
})
}
func newEngineMethodDurationCounter(method string) prometheus.Counter {
return newEngineCounter(
fmt.Sprintf("%s_duration", method),
fmt.Sprintf("Accumulated duration of engine %s operations", strings.ReplaceAll(method, "_", " ")),
)
}
func newEngineGaugeVector(name, help string, labels []string) *prometheus.GaugeVec {
return prometheus.NewGaugeVec(prometheus.GaugeOpts{
Namespace: namespace,
Subsystem: engineSubsystem,
Name: name,
Help: help,
}, labels)
}
func (m engineMetrics) register() {
prometheus.MustRegister(m.listContainersDuration)
prometheus.MustRegister(m.estimateContainerSizeDuration)
prometheus.MustRegister(m.deleteDuration)
prometheus.MustRegister(m.existsDuration)
prometheus.MustRegister(m.getDuration)
prometheus.MustRegister(m.headDuration)
prometheus.MustRegister(m.inhumeDuration)
prometheus.MustRegister(m.putDuration)
prometheus.MustRegister(m.rangeDuration)
prometheus.MustRegister(m.searchDuration)
prometheus.MustRegister(m.listObjectsDuration)
prometheus.MustRegister(m.containerSize)
prometheus.MustRegister(m.payloadSize)
}
func (m engineMetrics) AddListContainersDuration(d time.Duration) {
m.listObjectsDuration.Add(float64(d))
}
func (m engineMetrics) AddEstimateContainerSizeDuration(d time.Duration) {
m.estimateContainerSizeDuration.Add(float64(d))
}
func (m engineMetrics) AddDeleteDuration(d time.Duration) {
m.deleteDuration.Add(float64(d))
}
func (m engineMetrics) AddExistsDuration(d time.Duration) {
m.existsDuration.Add(float64(d))
}
func (m engineMetrics) AddGetDuration(d time.Duration) {
m.getDuration.Add(float64(d))
}
func (m engineMetrics) AddHeadDuration(d time.Duration) {
m.headDuration.Add(float64(d))
}
func (m engineMetrics) AddInhumeDuration(d time.Duration) {
m.inhumeDuration.Add(float64(d))
}
func (m engineMetrics) AddPutDuration(d time.Duration) {
m.putDuration.Add(float64(d))
}
func (m engineMetrics) AddRangeDuration(d time.Duration) {
m.rangeDuration.Add(float64(d))
}
func (m engineMetrics) AddSearchDuration(d time.Duration) {
m.searchDuration.Add(float64(d))
}
func (m engineMetrics) AddListObjectsDuration(d time.Duration) {
m.listObjectsDuration.Add(float64(d))
}
func (m engineMetrics) AddToContainerSize(cnrID string, size int64) {
m.containerSize.With(prometheus.Labels{containerIDLabelKey: cnrID}).Add(float64(size))
}
func (m engineMetrics) AddToPayloadCounter(shardID string, size int64) {
m.payloadSize.With(prometheus.Labels{shardIDLabelKey: shardID}).Add(float64(size))
}