frostfs-node/pkg/metrics/fstree.go

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package metrics
import (
"strconv"
"time"
"git.frostfs.info/TrueCloudLab/frostfs-node/pkg/local_object_storage/shard/mode"
"git.frostfs.info/TrueCloudLab/frostfs-observability/metrics"
"github.com/prometheus/client_golang/prometheus"
)
type FSTreeMetrics interface {
SetMode(shardID, path string, mode mode.ComponentMode)
Close(shardID, path string)
MethodDuration(shardID, path string, method string, d time.Duration, success bool)
AddGet(shardID, path string, size int)
AddPut(shardID, path string, size int)
}
type fstreeMetrics struct {
mode *shardIDPathModeValue
reqDuration *prometheus.HistogramVec
put *prometheus.CounterVec
get *prometheus.CounterVec
}
func newFSTreeMetrics() *fstreeMetrics {
return &fstreeMetrics{
mode: newShardIDPathMode(fstreeSubSystem, "mode", "FSTree mode value"),
reqDuration: metrics.NewHistogramVec(prometheus.HistogramOpts{
Namespace: namespace,
Subsystem: fstreeSubSystem,
Name: "request_duration_seconds",
Help: "Accumulated FSTree request process duration",
}, []string{shardIDLabel, successLabel, pathLabel, methodLabel}),
put: metrics.NewCounterVec(prometheus.CounterOpts{
Namespace: namespace,
Subsystem: fstreeSubSystem,
Name: "put_bytes",
Help: "Accumulated payload size written to FSTree",
}, []string{shardIDLabel, pathLabel}),
get: metrics.NewCounterVec(prometheus.CounterOpts{
Namespace: namespace,
Subsystem: fstreeSubSystem,
Name: "get_bytes",
Help: "Accumulated payload size read from FSTree",
}, []string{shardIDLabel, pathLabel}),
}
}
func (m *fstreeMetrics) SetMode(shardID, path string, mod mode.ComponentMode) {
m.mode.SetMode(shardID, path, mod.String())
}
func (m *fstreeMetrics) Close(shardID, path string) {
m.mode.SetMode(shardID, path, closedMode)
m.reqDuration.DeletePartialMatch(prometheus.Labels{
shardIDLabel: shardID,
pathLabel: path,
})
m.get.DeletePartialMatch(prometheus.Labels{
shardIDLabel: shardID,
pathLabel: path,
})
m.put.DeletePartialMatch(prometheus.Labels{
shardIDLabel: shardID,
pathLabel: path,
})
}
func (m *fstreeMetrics) MethodDuration(shardID, path string, method string, d time.Duration, success bool) {
m.reqDuration.With(prometheus.Labels{
shardIDLabel: shardID,
pathLabel: path,
successLabel: strconv.FormatBool(success),
methodLabel: method,
}).Observe(d.Seconds())
}
func (m *fstreeMetrics) AddGet(shardID, path string, size int) {
m.get.With(prometheus.Labels{
shardIDLabel: shardID,
pathLabel: path,
}).Add(float64(size))
}
func (m *fstreeMetrics) AddPut(shardID, path string, size int) {
m.put.With(prometheus.Labels{
shardIDLabel: shardID,
pathLabel: path,
}).Add(float64(size))
}