remote.mount saves the mapping

weed/remote_storage/remote_storage.go

@@ -3,13 +3,34 @@ package remote_storage
 import (
 	"fmt"
 	"github.com/chrislusf/seaweedfs/weed/pb/filer_pb"
+	"strings"
 	"sync"
 )
 
+type RemoteStorageLocation string
+
+func (remote RemoteStorageLocation) NameBucketPath() (storageName, bucket, remotePath string) {
+	if strings.HasSuffix(string(remote), "/") {
+		remote = remote[:len(remote)-1]
+	}
+	parts := strings.SplitN(string(remote), "/", 3)
+	if len(parts)>=1 {
+		storageName = parts[0]
+	}
+	if len(parts)>=2 {
+		bucket = parts[1]
+	}
+	remotePath = string(remote[len(storageName)+1+len(bucket):])
+	if remotePath == "" {
+		remotePath = "/"
+	}
+	return
+}
+
 type VisitFunc func(dir string, name string, isDirectory bool, remoteEntry *filer_pb.RemoteEntry) error
 
 type RemoteStorageClient interface {
-	Traverse(rootDir string, visitFn VisitFunc) error
+	Traverse(remote RemoteStorageLocation, visitFn VisitFunc) error
 }
 
 type RemoteStorageClientMaker interface {