tracing

package
v0.0.0-...-0553404 Latest Latest
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Published: May 19, 2018 License: Apache-2.0 Imports: 8 Imported by: 0

Documentation

Index

Constants

This section is empty.

Variables

View Source
var DefaultClient = &http.Client{
	Transport: DefaultTransport,
}
View Source
var DefaultTransport http.RoundTripper = &Transport{
	RoundTripper: &nethttp.Transport{RoundTripper: http.DefaultTransport},
}

Functions

func ContextWithSpanFromContext

func ContextWithSpanFromContext(ctx, ctx2 context.Context) context.Context

ContextWithSpanFromContext sets the tracing span of a context from other context if one is not already set. Alternative would be context.WithoutCancel() that would copy the context but reset ctx.Done

func FinishWithError

func FinishWithError(span opentracing.Span, err error)

FinishWithError finalizes the span and sets the error if one is passed

func StartSpan

func StartSpan(ctx context.Context, operationName string, opts ...opentracing.StartSpanOption) (opentracing.Span, context.Context)

StartSpan starts a new span as a child of the span in context. If there is no span in context then this is a no-op. The difference from opentracing.StartSpanFromContext is that this method does not depend on global tracer.

Types

type Transport

type Transport struct {
	http.RoundTripper
}

func (*Transport) RoundTrip

func (t *Transport) RoundTrip(req *http.Request) (*http.Response, error)

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