127 lines
4 KiB
Go
127 lines
4 KiB
Go
package metrics
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import (
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"time"
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"git.frostfs.info/TrueCloudLab/frostfs-node/pkg/local_object_storage/shard/mode"
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"git.frostfs.info/TrueCloudLab/frostfs-observability/metrics"
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"github.com/prometheus/client_golang/prometheus"
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)
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type EngineMetrics interface {
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AddMethodDuration(method string, d time.Duration)
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AddToContainerSize(cnrID string, size int64)
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IncErrorCounter(shardID string)
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ClearErrorCounter(shardID string)
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DeleteShardMetrics(shardID string)
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AddToObjectCounter(shardID, objectType string, delta int)
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SetObjectCounter(shardID, objectType string, v uint64)
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AddToPayloadCounter(shardID string, size int64)
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SetMode(shardID string, mode mode.Mode)
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WriteCache() WriteCacheMetrics
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GC() GCMetrics
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}
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type engineMetrics struct {
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methodDuration *prometheus.HistogramVec
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objectCounter *prometheus.GaugeVec
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containerSize *prometheus.GaugeVec
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payloadSize *prometheus.GaugeVec
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errorCounter *prometheus.GaugeVec
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mode *shardIDModeValue
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gc *gcMetrics
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writeCache *writeCacheMetrics
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}
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const (
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engineSubsystem = "engine"
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engineMethod = "method"
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)
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func newEngineMetrics() *engineMetrics {
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return &engineMetrics{
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containerSize: newEngineGaugeVector("container_size_bytes", "Accumulated size of all objects in a container", []string{containerIDLabelKey}),
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payloadSize: newEngineGaugeVector("payload_size_bytes", "Accumulated size of all objects in a shard", []string{shardIDLabelKey}),
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errorCounter: newEngineGaugeVector("errors_total", "Shard's error counter", []string{shardIDLabelKey}),
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methodDuration: metrics.NewHistogramVec(prometheus.HistogramOpts{
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Namespace: namespace,
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Subsystem: engineSubsystem,
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Name: "request_duration_seconds",
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Help: "Duration of Engine requests",
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}, []string{engineMethod}),
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objectCounter: newEngineGaugeVector("objects_total", "Objects counters per shards", []string{shardIDLabelKey, counterTypeLabelKey}),
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gc: newGCMetrics(),
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writeCache: newWriteCacheMetrics(),
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mode: newShardIDMode(engineSubsystem, "mode", "Shard mode"),
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}
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}
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func newEngineGaugeVector(name, help string, labels []string) *prometheus.GaugeVec {
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return metrics.NewGaugeVec(prometheus.GaugeOpts{
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Namespace: namespace,
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Subsystem: engineSubsystem,
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Name: name,
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Help: help,
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}, labels)
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}
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func (m *engineMetrics) AddMethodDuration(method string, d time.Duration) {
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m.methodDuration.With(prometheus.Labels{
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engineMethod: method,
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}).Observe(d.Seconds())
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}
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func (m *engineMetrics) AddToContainerSize(cnrID string, size int64) {
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m.containerSize.With(prometheus.Labels{containerIDLabelKey: cnrID}).Add(float64(size))
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}
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func (m *engineMetrics) AddToPayloadCounter(shardID string, size int64) {
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m.payloadSize.With(prometheus.Labels{shardIDLabelKey: shardID}).Add(float64(size))
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}
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func (m *engineMetrics) IncErrorCounter(shardID string) {
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m.errorCounter.With(prometheus.Labels{shardIDLabelKey: shardID}).Inc()
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}
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func (m *engineMetrics) ClearErrorCounter(shardID string) {
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m.errorCounter.With(prometheus.Labels{shardIDLabelKey: shardID}).Set(0)
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}
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func (m *engineMetrics) DeleteShardMetrics(shardID string) {
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m.errorCounter.Delete(prometheus.Labels{shardIDLabelKey: shardID})
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m.payloadSize.Delete(prometheus.Labels{shardIDLabelKey: shardID})
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m.objectCounter.DeletePartialMatch(prometheus.Labels{shardIDLabelKey: shardID})
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m.mode.Delete(shardID)
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}
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func (m *engineMetrics) AddToObjectCounter(shardID, objectType string, delta int) {
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m.objectCounter.With(
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prometheus.Labels{
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shardIDLabelKey: shardID,
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counterTypeLabelKey: objectType,
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},
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).Add(float64(delta))
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}
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func (m *engineMetrics) SetObjectCounter(shardID, objectType string, v uint64) {
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m.objectCounter.With(
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prometheus.Labels{
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shardIDLabelKey: shardID,
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counterTypeLabelKey: objectType,
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},
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).Set(float64(v))
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}
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func (m *engineMetrics) SetMode(shardID string, mode mode.Mode) {
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m.mode.SetMode(shardID, mode.String())
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}
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func (m *engineMetrics) WriteCache() WriteCacheMetrics {
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return m.writeCache
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}
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func (m *engineMetrics) GC() GCMetrics {
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return m.gc
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}
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