frostfs-node/pkg/metrics/writecache.go
Dmitrii Stepanov 03aa210145
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[#373] metrics: Move labels to consts
To unify label naming all lable keys and other consts are moved to
one file.

Signed-off-by: Dmitrii Stepanov <d.stepanov@yadro.com>
2023-06-21 15:13:26 +03:00

124 lines
4 KiB
Go

package metrics
import (
"fmt"
"time"
"git.frostfs.info/TrueCloudLab/frostfs-observability/metrics"
"github.com/prometheus/client_golang/prometheus"
)
type WriteCacheMetrics interface {
AddMethodDuration(shardID string, method string, success bool, d time.Duration, storageType string)
IncActualCount(shardID string, storageType string)
DecActualCount(shardID string, storageType string)
SetActualCount(shardID string, count uint64, storageType string)
SetEstimateSize(shardID string, size uint64, storageType string)
SetMode(shardID string, mode string)
IncOperationCounter(shardID string, operation string, success NullBool, storageType string)
Close(shardID string)
}
type writeCacheMetrics struct {
methodDuration *prometheus.HistogramVec
operationCounter *prometheus.CounterVec
actualCount *prometheus.GaugeVec
estimatedSize *prometheus.GaugeVec
mode *shardIDModeValue
}
func newWriteCacheMetrics() *writeCacheMetrics {
return &writeCacheMetrics{
methodDuration: metrics.NewHistogramVec(prometheus.HistogramOpts{
Namespace: namespace,
Subsystem: writeCacheSubsystem,
Name: "request_duration_seconds",
Help: "Writecache request process duration",
}, []string{shardIDLabel, successLabel, storageLabel, methodLabel}),
operationCounter: metrics.NewCounterVec(prometheus.CounterOpts{
Namespace: namespace,
Subsystem: writeCacheSubsystem,
Name: "operations_total",
Help: "The number of writecache operations processed",
}, []string{shardIDLabel, storageLabel, successLabel, operationLabel}),
actualCount: newWCGaugeVec("actual_objects_total", "Actual objects count in writecache", []string{shardIDLabel, storageLabel}),
estimatedSize: newWCGaugeVec("estimated_size_bytes", "Estimated writecache size", []string{shardIDLabel, storageLabel}),
mode: newShardIDMode(writeCacheSubsystem, "mode_info", "Writecache mode value"),
}
}
func (m *writeCacheMetrics) AddMethodDuration(shardID string, method string, success bool, d time.Duration, storageType string) {
m.methodDuration.With(
prometheus.Labels{
shardIDLabel: shardID,
successLabel: fmt.Sprintf("%v", success),
storageLabel: storageType,
methodLabel: method,
},
).Observe(d.Seconds())
}
func (m *writeCacheMetrics) IncActualCount(shardID string, storageType string) {
m.actualCount.With(prometheus.Labels{
shardIDLabel: shardID,
storageLabel: storageType,
}).Inc()
}
func (m *writeCacheMetrics) DecActualCount(shardID string, storageType string) {
m.actualCount.With(prometheus.Labels{
shardIDLabel: shardID,
storageLabel: storageType,
}).Dec()
}
func (m *writeCacheMetrics) SetActualCount(shardID string, count uint64, storageType string) {
m.actualCount.With(prometheus.Labels{
shardIDLabel: shardID,
storageLabel: storageType,
}).Set(float64(count))
}
func (m *writeCacheMetrics) SetEstimateSize(shardID string, size uint64, storageType string) {
m.estimatedSize.With(prometheus.Labels{
shardIDLabel: shardID,
storageLabel: storageType,
}).Set(float64(size))
}
func (m *writeCacheMetrics) SetMode(shardID string, mode string) {
m.mode.SetMode(shardID, mode)
}
func (m *writeCacheMetrics) IncOperationCounter(shardID string, operation string, success NullBool, storageType string) {
m.operationCounter.With(prometheus.Labels{
shardIDLabel: shardID,
storageLabel: storageType,
operationLabel: operation,
successLabel: success.String(),
}).Inc()
}
func (m *writeCacheMetrics) Close(shardID string) {
m.mode.Delete(shardID)
m.methodDuration.DeletePartialMatch(prometheus.Labels{shardIDLabel: shardID})
m.operationCounter.DeletePartialMatch(prometheus.Labels{shardIDLabel: shardID})
m.actualCount.DeletePartialMatch(prometheus.Labels{shardIDLabel: shardID})
m.estimatedSize.DeletePartialMatch(prometheus.Labels{shardIDLabel: shardID})
}
func newWCGaugeVec(name, help string, labels []string) *prometheus.GaugeVec {
return metrics.NewGaugeVec(prometheus.GaugeOpts{
Namespace: namespace,
Subsystem: writeCacheSubsystem,
Name: name,
Help: help,
}, labels)
}