From f2319f11344ea738911f722f25ff6c268d4241da Mon Sep 17 00:00:00 2001
From: chrislu <chris.lu@gmail.com>
Date: Fri, 14 Nov 2025 07:56:23 -0800
Subject: [PATCH] debug logs

---
 weed/s3api/filer_multipart.go                 | 11 ++++++++---
 weed/s3api/s3api_object_handlers_multipart.go |  8 ++++++++
 weed/s3api/s3api_object_handlers_put.go       | 15 ++++++++++++++-
 3 files changed, 30 insertions(+), 4 deletions(-)

diff --git a/weed/s3api/filer_multipart.go b/weed/s3api/filer_multipart.go
index c4c07f0c7..22a061852 100644
--- a/weed/s3api/filer_multipart.go
+++ b/weed/s3api/filer_multipart.go
@@ -664,18 +664,23 @@ func (s3a *S3ApiServer) listObjectParts(input *s3.ListPartsInput) (output *ListP
 				glog.Errorf("listObjectParts %s %s parse %s: %v", *input.Bucket, *input.UploadId, entry.Name, err)
 				continue
 			}
-			output.Part = append(output.Part, &s3.Part{
+			partETag := filer.ETag(entry)
+			part := &s3.Part{
 				PartNumber:   aws.Int64(int64(partNumber)),
 				LastModified: aws.Time(time.Unix(entry.Attributes.Mtime, 0).UTC()),
 				Size:         aws.Int64(int64(filer.FileSize(entry))),
-				ETag:         aws.String("\"" + filer.ETag(entry) + "\""),
-			})
+				ETag:         aws.String("\"" + partETag + "\""),
+			}
+			output.Part = append(output.Part, part)
+			glog.V(3).Infof("listObjectParts: Added part %d, size=%d, etag=%s", 
+				partNumber, filer.FileSize(entry), partETag)
 			if !isLast {
 				output.NextPartNumberMarker = aws.Int64(int64(partNumber))
 			}
 		}
 	}
 
+	glog.V(2).Infof("listObjectParts: Returning %d parts for uploadId=%s", len(output.Part), *input.UploadId)
 	return
 }
 
diff --git a/weed/s3api/s3api_object_handlers_multipart.go b/weed/s3api/s3api_object_handlers_multipart.go
index ab03c0591..e91999ace 100644
--- a/weed/s3api/s3api_object_handlers_multipart.go
+++ b/weed/s3api/s3api_object_handlers_multipart.go
@@ -401,12 +401,20 @@ func (s3a *S3ApiServer) PutObjectPartHandler(w http.ResponseWriter, r *http.Requ
 	}
 	destination := fmt.Sprintf("%s/%s%s", s3a.option.BucketsPath, bucket, object)
 
+	glog.V(2).Infof("PutObjectPart: bucket=%s, object=%s, uploadId=%s, partNumber=%d, size=%d", 
+		bucket, object, uploadID, partID, r.ContentLength)
+	
 	etag, errCode, sseType := s3a.putToFiler(r, uploadUrl, dataReader, destination, bucket, partID)
 	if errCode != s3err.ErrNone {
+		glog.Errorf("PutObjectPart: putToFiler failed with error code %v for bucket=%s, object=%s, partNumber=%d", 
+			errCode, bucket, object, partID)
 		s3err.WriteErrorResponse(w, r, errCode)
 		return
 	}
 
+	glog.V(2).Infof("PutObjectPart: SUCCESS - bucket=%s, object=%s, partNumber=%d, etag=%s, sseType=%s", 
+		bucket, object, partID, etag, sseType)
+
 	setEtag(w, etag)
 	
 	// Set SSE response headers for multipart uploads
diff --git a/weed/s3api/s3api_object_handlers_put.go b/weed/s3api/s3api_object_handlers_put.go
index 98263ea30..fe54a87a2 100644
--- a/weed/s3api/s3api_object_handlers_put.go
+++ b/weed/s3api/s3api_object_handlers_put.go
@@ -327,7 +327,11 @@ func (s3a *S3ApiServer) putToFiler(r *http.Request, uploadUrl string, dataReader
 	}
 
 	// Calculate ETag for S3 API response (hex format)
-	etag = fmt.Sprintf("%x", hash.Sum(nil))
+	md5Sum := hash.Sum(nil)
+	etag = fmt.Sprintf("%x", md5Sum)
+
+	glog.V(3).Infof("putToFiler: Uploading to volume - path=%s, size=%d, etag(hex)=%s, partNumber=%d",
+		filePath, len(data), etag, partNumber)
 
 	uploadOption := &operation.UploadOption{
 		UploadUrl:         volumeUploadUrl,
@@ -353,6 +357,9 @@ func (s3a *S3ApiServer) putToFiler(r *http.Request, uploadUrl string, dataReader
 		return "", s3err.ErrInternalError, ""
 	}
 
+	glog.V(3).Infof("putToFiler: Volume upload SUCCESS - fileId=%s, size=%d, md5(base64)=%s",
+		assignResult.FileId, uploadResult.Size, uploadResult.ContentMd5)
+
 	// Step 3: Create metadata entry
 	now := time.Now()
 	mimeType := r.Header.Get("Content-Type")
@@ -378,6 +385,9 @@ func (s3a *S3ApiServer) putToFiler(r *http.Request, uploadUrl string, dataReader
 		CipherKey: uploadResult.CipherKey,
 	}
 
+	glog.V(3).Infof("putToFiler: Created FileChunk - fileId=%s, size=%d, etag(base64)=%s (for multipart ETag calc)",
+		fileChunk.FileId, fileChunk.Size, fileChunk.ETag)
+
 	// Decode MD5 from base64 to bytes for entry.Attributes.Md5
 	md5Bytes, md5Err := base64.StdEncoding.DecodeString(uploadResult.ContentMd5)
 	if md5Err != nil {
@@ -464,6 +474,9 @@ func (s3a *S3ApiServer) putToFiler(r *http.Request, uploadUrl string, dataReader
 		return "", filerErrorToS3Error(createErr.Error()), ""
 	}
 
+	glog.V(2).Infof("putToFiler: Metadata saved SUCCESS - path=%s, etag(hex)=%s, size=%d, partNumber=%d",
+		filePath, etag, entry.Attributes.FileSize, partNumber)
+
 	BucketTrafficReceived(int64(uploadResult.Size), r)
 
 	// Return the SSE type determined by the unified handler