Added tls for http clients (#5766)

* Added global http client

* Added Do func for global http client

* Changed the code to use the global http client

* Fix http client in volume uploader

* Fixed pkg name

* Fixed http util funcs

* Fixed http client for bench_filer_upload

* Fixed http client for stress_filer_upload

* Fixed http client for filer_server_handlers_proxy

* Fixed http client for command_fs_merge_volumes

* Fixed http client for command_fs_merge_volumes and command_volume_fsck

* Fixed http client for s3api_server

* Added init global client for main funcs

* Rename global_client to client

* Changed:
- fixed NewHttpClient;
- added CheckIsHttpsClientEnabled func
- updated security.toml in scaffold

* Reduce the visibility of some functions in the util/http/client pkg

* Added the loadSecurityConfig function

* Use util.LoadSecurityConfiguration() in NewHttpClient func

weed/replication/sink/filersink/fetch_write.go

@@ -14,6 +14,7 @@ import (
 	"github.com/seaweedfs/seaweedfs/weed/operation"
 	"github.com/seaweedfs/seaweedfs/weed/pb"
 	"github.com/seaweedfs/seaweedfs/weed/pb/filer_pb"
+	util_http "github.com/seaweedfs/seaweedfs/weed/util/http"
 )
 
 func (fs *FilerSink) replicateChunks(sourceChunks []*filer_pb.FileChunk, path string) (replicatedChunks []*filer_pb.FileChunk, err error) {
@@ -88,9 +89,15 @@ func (fs *FilerSink) fetchAndWrite(sourceChunk *filer_pb.FileChunk, path string)
 	if err != nil {
 		return "", fmt.Errorf("read part %s: %v", sourceChunk.GetFileIdString(), err)
 	}
-	defer util.CloseResponse(resp)
+	defer util_http.CloseResponse(resp)
 
-	fileId, uploadResult, err, _ := operation.UploadWithRetry(
+	uploader, err := operation.NewUploader()
+	if err != nil {
+		glog.V(0).Infof("upload source data %v: %v", sourceChunk.GetFileIdString(), err)
+		return "", fmt.Errorf("upload data: %v", err)
+	}
+
+	fileId, uploadResult, err, _ := uploader.UploadWithRetry(
 		fs,
 		&filer_pb.AssignVolumeRequest{
 			Count:       1,