propagation

Documentation

Overview

Package propagation implement X-Cloud-Trace-Context header propagation used by Google Cloud products.

Index

• type HTTPFormat
  • func (f *HTTPFormat) SpanContextFromRequest(req *http.Request) (sc trace.SpanContext, ok bool)
  • func (f *HTTPFormat) SpanContextToRequest(sc trace.SpanContext, req *http.Request)

Types

type HTTPFormat

type HTTPFormat struct{}

HTTPFormat implements propagation.HTTPFormat to propagate traces in HTTP headers for Google Cloud Platform and Stackdriver Trace.

func (*HTTPFormat) SpanContextFromRequest

func (f *HTTPFormat) SpanContextFromRequest(req *http.Request) (sc trace.SpanContext, ok bool)

SpanContextFromRequest extracts a Stackdriver Trace span context from incoming requests.

func (*HTTPFormat) SpanContextToRequest

func (f *HTTPFormat) SpanContextToRequest(sc trace.SpanContext, req *http.Request)

SpanContextToRequest modifies the given request to include a Stackdriver Trace header.