Don't exit background append if backend specific files show up (#7519)

cmd/fs-v1-multipart.go

@@ -98,9 +98,8 @@ func (fs *FSObjects) backgroundAppend(ctx context.Context, bucket, object, uploa
 		}
 		partNumber, etag, actualSize, err := fs.decodePartFile(entry)
 		if err != nil {
-			logger.GetReqInfo(ctx).AppendTags("entry", entry)
-			logger.LogIf(ctx, err)
-			return
+			// Skip part files whose name don't match expected format. These could be backend filesystem specific files.
+			continue
 		}
 		if partNumber < nextPartNumber {
 			// Part already appended.
@@ -389,8 +388,8 @@ func (fs *FSObjects) ListObjectParts(ctx context.Context, bucket, object, upload
 		}
 		partNumber, etag1, _, derr := fs.decodePartFile(entry)
 		if derr != nil {
-			logger.LogIf(ctx, derr)
-			return result, toObjectErr(derr)
+			// Skip part files whose name don't match expected format. These could be backend filesystem specific files.
+			continue
 		}
 		etag2, ok := partsMap[partNumber]
 		if !ok {

go.mod

@@ -67,6 +67,7 @@ require (
 	github.com/nats-io/go-nats-streaming v0.4.2
 	github.com/nats-io/nats v1.7.2
 	github.com/nats-io/nkeys v0.0.2 // indirect
+	github.com/nats-io/nuid v1.0.1 // indirect
 	github.com/nsqio/go-nsq v1.0.7
 	github.com/pascaldekloe/goe v0.1.0 // indirect
 	github.com/pkg/errors v0.8.1 // indirect

go.sum

@@ -425,6 +425,8 @@ github.com/nats-io/nkeys v0.0.2 h1:+qM7QpgXnvDDixitZtQUBDY9w/s9mu1ghS+JIbsrx6M=
 github.com/nats-io/nkeys v0.0.2/go.mod h1:dab7URMsZm6Z/jp9Z5UGa87Uutgc2mVpXLC4B7TDb/4=
 github.com/nats-io/nuid v1.0.0 h1:44QGdhbiANq8ZCbUkdn6W5bqtg+mHuDE4wOUuxxndFs=
 github.com/nats-io/nuid v1.0.0/go.mod h1:19wcPz3Ph3q0Jbyiqsd0kePYG7A95tJPxeL+1OSON2c=
+github.com/nats-io/nuid v1.0.1 h1:5iA8DT8V7q8WK2EScv2padNa/rTESc1KdnPw4TC2paw=
+github.com/nats-io/nuid v1.0.1/go.mod h1:19wcPz3Ph3q0Jbyiqsd0kePYG7A95tJPxeL+1OSON2c=
 github.com/nsqio/go-nsq v0.0.0-20181028195256-0527e80f3ba5/go.mod h1:XP5zaUs3pqf+Q71EqUJs3HYfBIqfK6G83WQMdNN+Ito=
 github.com/nsqio/go-nsq v1.0.7 h1:O0pIZJYTf+x7cZBA0UMY8WxFG79lYTURmWzAAh48ljY=
 github.com/nsqio/go-nsq v1.0.7/go.mod h1:XP5zaUs3pqf+Q71EqUJs3HYfBIqfK6G83WQMdNN+Ito=