tracing

Documentation

Index

• Variables
• func ContextWithSpanContext(ctx context.Context, spanContext opentracing.SpanContext) context.Context
• func NewTracer() (opentracing.Tracer, error)
• func SpanContextFromContext(ctx context.Context) opentracing.SpanContext

Variables

var Tracer opentracing.Tracer = &opentracing.NoopTracer{}

Tracer is a global opentracing tracer. If the TRACING_ENABLED environment variable is set to false, it will default to a noop tracer.

Functions

func ContextWithSpanContext

func ContextWithSpanContext(ctx context.Context, spanContext opentracing.SpanContext) context.Context

ContextWithSpanContext returns a context that holds a reference to the given span context.

func NewTracer

func NewTracer() (opentracing.Tracer, error)

NewTracer returns an jaeger implementation of an opentracing tracer.

func SpanContextFromContext

func SpanContextFromContext(ctx context.Context) opentracing.SpanContext

SpanContextFromContext extracts a span context from the given context. The returned span context may be nil if there is no span context stored in the given context.