tracing

func FromContext ¶

func FromContext(ctx context.Context) trace.Tracer

FromContext returns a tracer with predefined values from a context.Context.

func NewContext ¶

func NewContext(ctx context.Context, tracer trace.Tracer) context.Context

NewContext returns a new context derived from ctx that embeds the tracer.

func NewTracerProvider ¶

func NewTracerProvider(
	ctx context.Context,
	httpAddr, grpcAddr string,
) (*tracesdk.TracerProvider, error)