Improve the s3 uploader for better performance.

Signed-off-by: dkkb <dabkb@aol.com>

pkg/simple/client/s3/fake/fakes3.go

@@ -43,7 +43,7 @@ type Object struct {
 	Body     io.Reader
 }
 
-func (s *FakeS3) Upload(key, fileName string, body io.Reader) error {
+func (s *FakeS3) Upload(key, fileName string, body io.Reader, size int) error {
 	s.Storage[key] = &Object{
 		Key:      key,
 		FileName: fileName,

pkg/simple/client/s3/fake/fakes3_test.go

@@ -25,7 +25,7 @@ func TestFakeS3(t *testing.T) {
 	s3 := NewFakeS3()
 	key := "hello"
 	fileName := "world"
-	err := s3.Upload(key, fileName, nil)
+	err := s3.Upload(key, fileName, nil, 0)
 	if err != nil {
 		t.Fatal(err)
 	}