frostfs-node/pkg/util/profiler/metrics.go

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2020-07-24 13:54:03 +00:00
package profiler
import (
"context"
"github.com/prometheus/client_golang/prometheus/promhttp"
"github.com/spf13/viper"
"go.uber.org/zap"
)
// Metrics is an interface of metric tool.
type Metrics interface {
Start(ctx context.Context)
Stop()
}
const metricsKey = "metrics"
// NewMetrics is a metric tool's constructor.
func NewMetrics(l *zap.Logger, v *viper.Viper) Metrics {
if !v.GetBool(metricsKey + ".enabled") {
l.Debug("metrics server disabled")
return nil
}
return newHTTPServer(httpParams{
Key: metricsKey,
Viper: v,
Logger: l,
Handler: promhttp.Handler(),
})
}