metrics

package
v0.0.10 Latest Latest
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 Go to latest Published: Jul 2, 2026 License: Apache-2.0 Imports: 10 Imported by: 0

Documentation

Index

Constants

This section is empty.

Variables

View Source 
var MetricModule = fx.Module("metrics", fx.Options(
	fx.Provide(
		fx.Annotate(
			NewMetricsHandler,
			fx.As(new(MetricsExporter)),
		)),
	fx.Provide(NewMeterProvider),
	fx.Provide(func() *trace.TracerProvider {
		return trace.NewTracerProvider()
	}),
))

MetricModule provides the OpenTelemetry MeterProvider and the Prometheus HTTP handler.

Functions

func MetricAttributesForRequest 

func MetricAttributesForRequest(req *http.Request) []attribute.KeyValue

MetricAttributesForRequest derives common HTTP attributes for Prometheus/OpenTelemetry metrics.

func NewMeterProvider 

func NewMeterProvider(lc fx.Lifecycle) (*metric.MeterProvider, error)

NewMeterProvider creates an OpenTelemetry MeterProvider with the Prometheus exporter.

func NewMetricsHandler 

func NewMetricsHandler() http.Handler

NewMetricsHandler creates an HTTP handler for the Prometheus metrics.

func WithHTTPClientMetricAttributesFn 

func WithHTTPClientMetricAttributesFn() otelhttp.Option

WithHTTPClientMetricAttributesFn wraps MetricAttributesForRequest for otelhttp transports.

Types

type MetricsExporter 

type MetricsExporter interface {
	http.Handler
}

MetricsExporter implements the http.Handler interface for Prometheus metrics.

Source Files

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