update dependencies

Signed-off-by: huanggze <loganhuang@yunify.com>

vendor/github.com/elastic/go-elasticsearch/v6/esapi/esapi.request.go

@@ -0,0 +1,56 @@
+package esapi
+
+import (
+	"bytes"
+	"context"
+	"io"
+	"io/ioutil"
+	"net/http"
+	"net/url"
+	"strings"
+)
+
+const (
+	headerContentType = "Content-Type"
+)
+
+var (
+	headerContentTypeJSON = []string{"application/json"}
+)
+
+// Request defines the API request.
+//
+type Request interface {
+	Do(ctx context.Context, transport Transport) (*Response, error)
+}
+
+// newRequest creates an HTTP request.
+//
+func newRequest(method, path string, body io.Reader) (*http.Request, error) {
+	r := http.Request{
+		Method:     method,
+		URL:        &url.URL{Path: path},
+		Proto:      "HTTP/1.1",
+		ProtoMajor: 1,
+		ProtoMinor: 1,
+		Header:     make(http.Header),
+	}
+
+	if body != nil {
+		switch b := body.(type) {
+		case *bytes.Buffer:
+			r.Body = ioutil.NopCloser(body)
+			r.ContentLength = int64(b.Len())
+		case *bytes.Reader:
+			r.Body = ioutil.NopCloser(body)
+			r.ContentLength = int64(b.Len())
+		case *strings.Reader:
+			r.Body = ioutil.NopCloser(body)
+			r.ContentLength = int64(b.Len())
+		default:
+			r.Body = ioutil.NopCloser(body)
+		}
+	}
+
+	return &r, nil
+}