trace

Documentation

Index

• func NewContextWithMetadata(md metadata.M) context.Context
• func SetTracerProvider(service string)
• func ShutdownTracerProvider()
• type Tracer
  • func NewTracer(name string) *Tracer
  • func (t *Tracer) End(md metadata.M, span trace.Span, kv ...attribute.KeyValue)
  • func (t *Tracer) Start(md metadata.M, operation string) trace.Span

Functions

func NewContextWithMetadata

func NewContextWithMetadata(md metadata.M) context.Context

NewContextWithMetadata create new context with metadata for tracer starting. In yomo, we use metadata from dataFrame as the trace Propagator. And yomo only carries traceID and spanID in metadata.

func SetTracerProvider

func SetTracerProvider(service string)

SetTracerProvider sets an OpenTelemetry TracerProvider configured to use the Jaeger exporter that will send spans to the provided url. The global TracerProvider will also use a Resource configured with all the information about the application.

func ShutdownTracerProvider

func ShutdownTracerProvider()

ShutdownTracerProvider shutdown the global TracerProvider.

Types

type Tracer

type Tracer struct {
	// contains filtered or unexported fields
}

Tracer is otel span tracer.

func NewTracer

func NewTracer(name string) *Tracer

NewTracer create tracer instance.

func (*Tracer) End

func (t *Tracer) End(md metadata.M, span trace.Span, kv ...attribute.KeyValue)

End finish tracing span.

func (*Tracer) Start

func (t *Tracer) Start(md metadata.M, operation string) trace.Span

Start start tracing span.