opentracing

README

OpenTracing extensions for Go

This package implements extensions to OpenTracing. Those include middlewares for servers, automatic span incjection and creation of span in libraries.

Get package

go get github.com/foodiefm/opentracing

Extensions

Extension code will be placed under contrib folder and end of path is same as their import path.

Example

Creating http.Client that automatically sends span from context.Context, when http requests is made using that client.

package main

import (
    "context"
    "net/http"

    wrapping "github.com/foodiefm/opentracing/contrib/net/http"
    "github.com/opentracing/opentracing-go"
)

func main(){
    client := wrapping.WrapClient(&http.Client{},"span.name")

    span := opentracing.GlobalTracer().StartSpan("test_call")
    defer span.Finish()
    ctx := opentracing.ContextWithSpan(context.Background(), span)

    req, _ := http.NewRequest(http.MethodGet, "http://localhost/test", nil)
	client.Do(req.WithContext(ctx))
}

Licensing

The is available as open source under the terms of the MIT License.