Tracing (#156)

url/main.go

@@ -1,6 +1,7 @@
 package main
 
 import (
+	"github.com/micro/services/pkg/tracing"
 	"github.com/micro/services/url/handler"
 	pb "github.com/micro/services/url/proto"
 
@@ -18,6 +19,8 @@ func main() {
 	// Register handler
 	pb.RegisterUrlHandler(srv.Server(), handler.NewUrl())
 
+	traceCloser := tracing.SetupOpentracing("url")
+	defer traceCloser.Close()
 	// Run service
 	if err := srv.Run(); err != nil {
 		logger.Fatal(err)