support hdfs user name and group names

weed/filer2/entry.go

@@ -17,6 +17,8 @@ type Attr struct {
 	Replication string      // replication
 	Collection  string      // collection name
 	TtlSec      int32       // ttl in seconds
+	UserName    string
+	GroupNames  []string
 }
 
 func (attr Attr) IsDirectory() bool {

weed/filer2/entry_codec.go

@@ -44,6 +44,8 @@ func EntryAttributeToPb(entry *Entry) *filer_pb.FuseAttributes {
 		Collection:  entry.Attr.Collection,
 		Replication: entry.Attr.Replication,
 		TtlSec:      entry.Attr.TtlSec,
+		UserName:    entry.Attr.UserName,
+		GroupName:   entry.Attr.GroupNames,
 	}
 }
 
@@ -60,6 +62,8 @@ func PbToEntryAttribute(attr *filer_pb.FuseAttributes) Attr {
 	t.Collection = attr.Collection
 	t.Replication = attr.Replication
 	t.TtlSec = attr.TtlSec
+	t.UserName = attr.UserName
+	t.GroupNames = attr.GroupName
 
 	return t
 }