tracer: move es transport to net/http + format

node/modules/tracer/elasticsearch_transport.go

@@ -5,6 +5,7 @@ import (
 	"context"
 	"encoding/json"
 	"fmt"
+	"net/http"
 	"net/url"
 	"time"
 
@@ -34,7 +35,7 @@ func NewElasticSearchTransport(connectionString string, elasticsearchIndex strin
 		},
 		Username:  username,
 		Password:  password,
-		Transport: &FastHttpTransport{},
+		Transport: &http.Transport{},
 	}
 
 	es, err := elasticsearch.NewClient(cfg)

node/modules/tracer/fasthttp_transport.go

@@ -1,74 +0,0 @@
-package tracer
-
-import (
-	"io"
-	"net/http"
-	"strings"
-
-	"github.com/valyala/fasthttp"
-)
-
-// Transport implements the elastictransport interface with
-// the github.com/valyala/fasthttp HTTP client.
-type FastHttpTransport struct{}
-
-// RoundTrip performs the request and returns a response or error
-func (t *FastHttpTransport) RoundTrip(req *http.Request) (*http.Response, error) {
-	freq := fasthttp.AcquireRequest()
-	defer fasthttp.ReleaseRequest(freq)
-
-	fres := fasthttp.AcquireResponse()
-	defer fasthttp.ReleaseResponse(fres)
-
-	t.copyRequest(freq, req)
-
-	err := fasthttp.Do(freq, fres)
-	if err != nil {
-		return nil, err
-	}
-
-	res := &http.Response{Header: make(http.Header)}
-	t.copyResponse(res, fres)
-
-	return res, nil
-}
-
-// copyRequest converts a http.Request to fasthttp.Request
-func (t *FastHttpTransport) copyRequest(dst *fasthttp.Request, src *http.Request) *fasthttp.Request {
-	if src.Method == "GET" && src.Body != nil {
-		src.Method = "POST"
-	}
-
-	dst.SetHost(src.Host)
-	dst.SetRequestURI(src.URL.String())
-
-	dst.Header.SetRequestURI(src.URL.String())
-	dst.Header.SetMethod(src.Method)
-
-	for k, vv := range src.Header {
-		for _, v := range vv {
-			dst.Header.Set(k, v)
-		}
-	}
-
-	if src.Body != nil {
-		dst.SetBodyStream(src.Body, -1)
-	}
-
-	return dst
-}
-
-// copyResponse converts a http.Response to fasthttp.Response
-func (t *FastHttpTransport) copyResponse(dst *http.Response, src *fasthttp.Response) *http.Response {
-	dst.StatusCode = src.StatusCode()
-
-	src.Header.VisitAll(func(k, v []byte) {
-		dst.Header.Set(string(k), string(v))
-	})
-
-	// Cast to a string to make a copy seeing as src.Body() won't
-	// be valid after the response is released back to the pool (fasthttp.ReleaseResponse).
-	dst.Body = io.NopCloser(strings.NewReader(string(src.Body())))
-
-	return dst
-}