frostfs-node/pkg/metrics/engine.go
Evgenii Stratonikov 6fef2726b8 [] metrics: Allow to export metrics description
Signed-off-by: Evgenii Stratonikov <e.stratonikov@yadro.com>
2023-04-24 09:01:13 +00:00

140 lines
4.8 KiB
Go

package metrics
import (
"fmt"
"strings"
"time"
"github.com/prometheus/client_golang/prometheus"
)
type (
engineMetrics struct {
listContainersDuration metric[prometheus.Counter]
estimateContainerSizeDuration metric[prometheus.Counter]
deleteDuration metric[prometheus.Counter]
existsDuration metric[prometheus.Counter]
getDuration metric[prometheus.Counter]
headDuration metric[prometheus.Counter]
inhumeDuration metric[prometheus.Counter]
putDuration metric[prometheus.Counter]
rangeDuration metric[prometheus.Counter]
searchDuration metric[prometheus.Counter]
listObjectsDuration metric[prometheus.Counter]
containerSize metric[*prometheus.GaugeVec]
payloadSize metric[*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) metric[prometheus.Counter] {
return newCounter(prometheus.CounterOpts{
Namespace: namespace,
Subsystem: engineSubsystem,
Name: name,
Help: help,
})
}
func newEngineMethodDurationCounter(method string) metric[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) metric[*prometheus.GaugeVec] {
return newGaugeVec(prometheus.GaugeOpts{
Namespace: namespace,
Subsystem: engineSubsystem,
Name: name,
Help: help,
}, labels)
}
func (m engineMetrics) register() {
mustRegister(m.listContainersDuration)
mustRegister(m.estimateContainerSizeDuration)
mustRegister(m.deleteDuration)
mustRegister(m.existsDuration)
mustRegister(m.getDuration)
mustRegister(m.headDuration)
mustRegister(m.inhumeDuration)
mustRegister(m.putDuration)
mustRegister(m.rangeDuration)
mustRegister(m.searchDuration)
mustRegister(m.listObjectsDuration)
mustRegister(m.containerSize)
mustRegister(m.payloadSize)
}
func (m engineMetrics) AddListContainersDuration(d time.Duration) {
m.listObjectsDuration.value.Add(float64(d))
}
func (m engineMetrics) AddEstimateContainerSizeDuration(d time.Duration) {
m.estimateContainerSizeDuration.value.Add(float64(d))
}
func (m engineMetrics) AddDeleteDuration(d time.Duration) {
m.deleteDuration.value.Add(float64(d))
}
func (m engineMetrics) AddExistsDuration(d time.Duration) {
m.existsDuration.value.Add(float64(d))
}
func (m engineMetrics) AddGetDuration(d time.Duration) {
m.getDuration.value.Add(float64(d))
}
func (m engineMetrics) AddHeadDuration(d time.Duration) {
m.headDuration.value.Add(float64(d))
}
func (m engineMetrics) AddInhumeDuration(d time.Duration) {
m.inhumeDuration.value.Add(float64(d))
}
func (m engineMetrics) AddPutDuration(d time.Duration) {
m.putDuration.value.Add(float64(d))
}
func (m engineMetrics) AddRangeDuration(d time.Duration) {
m.rangeDuration.value.Add(float64(d))
}
func (m engineMetrics) AddSearchDuration(d time.Duration) {
m.searchDuration.value.Add(float64(d))
}
func (m engineMetrics) AddListObjectsDuration(d time.Duration) {
m.listObjectsDuration.value.Add(float64(d))
}
func (m engineMetrics) AddToContainerSize(cnrID string, size int64) {
m.containerSize.value.With(prometheus.Labels{containerIDLabelKey: cnrID}).Add(float64(size))
}
func (m engineMetrics) AddToPayloadCounter(shardID string, size int64) {
m.payloadSize.value.With(prometheus.Labels{shardIDLabelKey: shardID}).Add(float64(size))
}