directory to remote storage mapping

7 files changed, 446 insertions, 184 deletions

diff --git a/other/java/client/src/main/proto/filer.proto b/other/java/client/src/main/proto/filer.proto
index 23c841f18..12f9a8505 100644
--- a/other/java/client/src/main/proto/filer.proto
+++ b/other/java/client/src/main/proto/filer.proto
@@ -344,7 +344,9 @@ message LocateBrokerResponse {
     repeated Resource resources = 2;
 }
 
+/////////////////////////
 // Key-Value operations
+/////////////////////////
 message KvGetRequest {
     bytes key = 1;
 }
@@ -360,7 +362,9 @@ message KvPutResponse {
     string error = 1;
 }
 
+/////////////////////////
 // path-based configurations
+/////////////////////////
 message FilerConf {
     int32 version = 1;
     message PathConf {
@@ -376,6 +380,9 @@ message FilerConf {
     repeated PathConf locations = 2;
 }
 
+/////////////////////////
+// Remote Storage related
+/////////////////////////
 message RemoteConf {
     string type = 1;
     string name = 2;
@@ -384,3 +391,11 @@ message RemoteConf {
     string s3_region = 6;
     string s3_endpoint = 7;
 }
+
+message RemoteStorageMappingList {
+    repeated RemoteStorageMapping mappings = 1;
+}
+message RemoteStorageMapping {
+    string dir = 1;
+    string remote_storage_name = 2;
+}
diff --git a/weed/filer/filer_remote_storage.go b/weed/filer/filer_remote_storage.go
index 8b136a763..dbb0363a5 100644
--- a/weed/filer/filer_remote_storage.go
+++ b/weed/filer/filer_remote_storage.go
@@ -1,32 +1,39 @@
 package filer
 
 import (
-	"bytes"
 	"context"
 	"fmt"
+	"github.com/chrislusf/seaweedfs/weed/remote_storage"
+	_ "github.com/chrislusf/seaweedfs/weed/remote_storage/s3"
+	"github.com/chrislusf/seaweedfs/weed/util"
 	"github.com/golang/protobuf/proto"
-	"io"
 	"math"
+	"strings"
 
 	"github.com/chrislusf/seaweedfs/weed/glog"
 	"github.com/chrislusf/seaweedfs/weed/pb/filer_pb"
-	"github.com/chrislusf/seaweedfs/weed/util"
-	"github.com/golang/protobuf/jsonpb"
 	"github.com/viant/ptrie"
 )
 
+const REMOTE_STORAGE_CONF_SUFFIX = ".conf"
+const REMOTE_STORAGE_MOUNT_FILE = "mount.mapping"
+
 type FilerRemoteStorage struct {
-	rules ptrie.Trie
+	rules             ptrie.Trie
+	storageNameToConf map[string]*filer_pb.RemoteConf
 }
 
-func NewFilerRemoteStorage() (fc *FilerRemoteStorage) {
-	fc = &FilerRemoteStorage{
-		rules: ptrie.New(),
+func NewFilerRemoteStorage() (rs *FilerRemoteStorage) {
+	rs = &FilerRemoteStorage{
+		rules:             ptrie.New(),
+		storageNameToConf: make(map[string]*filer_pb.RemoteConf),
 	}
-	return fc
+	return rs
 }
 
-func (fc *FilerRemoteStorage) loadFromFiler(filer *Filer) (err error) {
+func (rs *FilerRemoteStorage) loadRemoteStorageConfigurations(filer *Filer) (err error) {
+	// execute this on filer
+
 	entries, _, err := filer.ListDirectoryEntries(context.Background(), DirectoryEtcRemote, "", false, math.MaxInt64, "", "", "")
 	if err != nil {
 		if err == filer_pb.ErrNotFound {
@@ -37,11 +44,56 @@ func (fc *FilerRemoteStorage) loadFromFiler(filer *Filer) (err error) {
 	}
 
 	for _, entry := range entries {
+		if entry.Name() == REMOTE_STORAGE_MOUNT_FILE {
+			rs.loadRemoteStorageMountMapping(entry.Content)
+		}
+		if !strings.HasSuffix(entry.Name(), REMOTE_STORAGE_CONF_SUFFIX) {
+			return nil
+		}
 		conf := &filer_pb.RemoteConf{}
 		if err := proto.Unmarshal(entry.Content, conf); err != nil {
-			return fmt.Errorf("unmarshal %s/%s: %v", DirectoryEtcRemote, entry.Name, err)
+			return fmt.Errorf("unmarshal %s/%s: %v", DirectoryEtcRemote, entry.Name(), err)
 		}
-		fc.MountRemoteStorage(dir, conf)
+		rs.storageNameToConf[conf.Name] = conf
 	}
 	return nil
 }
+
+func (rs *FilerRemoteStorage) loadRemoteStorageMountMapping(data []byte) (err error) {
+	mappings := &filer_pb.RemoteStorageMappingList{}
+	if err := proto.Unmarshal(data, mappings); err != nil {
+		return fmt.Errorf("unmarshal %s/%s: %v", DirectoryEtcRemote, REMOTE_STORAGE_MOUNT_FILE, err)
+	}
+	for _, mapping := range mappings.Mappings {
+		rs.mapDirectoryToRemoteStorage(util.FullPath(mapping.Dir), mapping.RemoteStorageName)
+	}
+	return nil
+}
+
+func (rs *FilerRemoteStorage) mapDirectoryToRemoteStorage(dir util.FullPath, remoteStorageName string) {
+	rs.rules.Put([]byte(dir+"/"), remoteStorageName)
+}
+
+func (rs *FilerRemoteStorage) FindRemoteStorageClient(p util.FullPath) (client remote_storage.RemoteStorageClient, found bool) {
+	var storageName string
+	rs.rules.MatchPrefix([]byte(p), func(key []byte, value interface{}) bool {
+		storageName = value.(string)
+		return true
+	})
+
+	if storageName == "" {
+		return
+	}
+
+	remoteConf, ok := rs.storageNameToConf[storageName]
+	if !ok {
+		return
+	}
+
+	var err error
+	if client, err = remote_storage.GetRemoteStorage(remoteConf); err == nil {
+		found = true
+		return
+	}
+	return
+}
diff --git a/weed/filer/filer_remote_storage_test.go b/weed/filer/filer_remote_storage_test.go
new file mode 100644
index 000000000..1a41c6e63
--- /dev/null
+++ b/weed/filer/filer_remote_storage_test.go
@@ -0,0 +1,30 @@
+package filer
+
+import (
+	"github.com/chrislusf/seaweedfs/weed/pb/filer_pb"
+	"github.com/stretchr/testify/assert"
+	"testing"
+)
+
+func TestFilerRemoteStorage_FindRemoteStorageClient(t *testing.T) {
+	conf := &filer_pb.RemoteConf{
+		Name: "s7",
+		Type: "s3",
+	}
+	rs := NewFilerRemoteStorage()
+	rs.storageNameToConf[conf.Name] = conf
+
+	rs.mapDirectoryToRemoteStorage("/a/b/c", "s7")
+
+	_, found := rs.FindRemoteStorageClient("/a/b/c/d/e/f")
+	assert.Equal(t, true, found, "find storage client")
+
+	_, found2 := rs.FindRemoteStorageClient("/a/b")
+	assert.Equal(t, false, found2, "should not find storage client")
+
+	_, found3 := rs.FindRemoteStorageClient("/a/b/c")
+	assert.Equal(t, false, found3, "should not find storage client")
+
+	_, found4 := rs.FindRemoteStorageClient("/a/b/cc")
+	assert.Equal(t, false, found4, "should not find storage client")
+}
\ No newline at end of file
diff --git a/weed/pb/filer.proto b/weed/pb/filer.proto
index 23c841f18..12f9a8505 100644
--- a/weed/pb/filer.proto
+++ b/weed/pb/filer.proto
@@ -344,7 +344,9 @@ message LocateBrokerResponse {
     repeated Resource resources = 2;
 }
 
+/////////////////////////
 // Key-Value operations
+/////////////////////////
 message KvGetRequest {
     bytes key = 1;
 }
@@ -360,7 +362,9 @@ message KvPutResponse {
     string error = 1;
 }
 
+/////////////////////////
 // path-based configurations
+/////////////////////////
 message FilerConf {
     int32 version = 1;
     message PathConf {
@@ -376,6 +380,9 @@ message FilerConf {
     repeated PathConf locations = 2;
 }
 
+/////////////////////////
+// Remote Storage related
+/////////////////////////
 message RemoteConf {
     string type = 1;
     string name = 2;
@@ -384,3 +391,11 @@ message RemoteConf {
     string s3_region = 6;
     string s3_endpoint = 7;
 }
+
+message RemoteStorageMappingList {
+    repeated RemoteStorageMapping mappings = 1;
+}
+message RemoteStorageMapping {
+    string dir = 1;
+    string remote_storage_name = 2;
+}
diff --git a/weed/pb/filer_pb/filer.pb.go b/weed/pb/filer_pb/filer.pb.go
index 972f7c0e9..65b882a6c 100644
--- a/weed/pb/filer_pb/filer.pb.go
+++ b/weed/pb/filer_pb/filer.pb.go
@@ -2900,7 +2900,9 @@ func (x *LocateBrokerResponse) GetResources() []*LocateBrokerResponse_Resource {
 	return nil
 }
 
+/////////////////////////
 // Key-Value operations
+/////////////////////////
 type KvGetRequest struct {
 	state         protoimpl.MessageState
 	sizeCache     protoimpl.SizeCache
@@ -3105,7 +3107,9 @@ func (x *KvPutResponse) GetError() string {
 	return ""
 }
 
+/////////////////////////
 // path-based configurations
+/////////////////////////
 type FilerConf struct {
 	state         protoimpl.MessageState
 	sizeCache     protoimpl.SizeCache
@@ -3161,6 +3165,9 @@ func (x *FilerConf) GetLocations() []*FilerConf_PathConf {
 	return nil
 }
 
+/////////////////////////
+// Remote Storage related
+/////////////////////////
 type RemoteConf struct {
 	state         protoimpl.MessageState
 	sizeCache     protoimpl.SizeCache
@@ -3248,6 +3255,108 @@ func (x *RemoteConf) GetS3Endpoint() string {
 	return ""
 }
 
+type RemoteStorageMappingList struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
+	Mappings []*RemoteStorageMapping `protobuf:"bytes,1,rep,name=mappings,proto3" json:"mappings,omitempty"`
+}
+
+func (x *RemoteStorageMappingList) Reset() {
+	*x = RemoteStorageMappingList{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_filer_proto_msgTypes[50]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *RemoteStorageMappingList) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*RemoteStorageMappingList) ProtoMessage() {}
+
+func (x *RemoteStorageMappingList) ProtoReflect() protoreflect.Message {
+	mi := &file_filer_proto_msgTypes[50]
+	if protoimpl.UnsafeEnabled && x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use RemoteStorageMappingList.ProtoReflect.Descriptor instead.
+func (*RemoteStorageMappingList) Descriptor() ([]byte, []int) {
+	return file_filer_proto_rawDescGZIP(), []int{50}
+}
+
+func (x *RemoteStorageMappingList) GetMappings() []*RemoteStorageMapping {
+	if x != nil {
+		return x.Mappings
+	}
+	return nil
+}
+
+type RemoteStorageMapping struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
+	Dir               string `protobuf:"bytes,1,opt,name=dir,proto3" json:"dir,omitempty"`
+	RemoteStorageName string `protobuf:"bytes,2,opt,name=remote_storage_name,json=remoteStorageName,proto3" json:"remote_storage_name,omitempty"`
+}
+
+func (x *RemoteStorageMapping) Reset() {
+	*x = RemoteStorageMapping{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_filer_proto_msgTypes[51]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *RemoteStorageMapping) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*RemoteStorageMapping) ProtoMessage() {}
+
+func (x *RemoteStorageMapping) ProtoReflect() protoreflect.Message {
+	mi := &file_filer_proto_msgTypes[51]
+	if protoimpl.UnsafeEnabled && x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use RemoteStorageMapping.ProtoReflect.Descriptor instead.
+func (*RemoteStorageMapping) Descriptor() ([]byte, []int) {
+	return file_filer_proto_rawDescGZIP(), []int{51}
+}
+
+func (x *RemoteStorageMapping) GetDir() string {
+	if x != nil {
+		return x.Dir
+	}
+	return ""
+}
+
+func (x *RemoteStorageMapping) GetRemoteStorageName() string {
+	if x != nil {
+		return x.RemoteStorageName
+	}
+	return ""
+}
+
 // if found, send the exact address
 // if not found, send the full list of existing brokers
 type LocateBrokerResponse_Resource struct {
@@ -3262,7 +3371,7 @@ type LocateBrokerResponse_Resource struct {
 func (x *LocateBrokerResponse_Resource) Reset() {
 	*x = LocateBrokerResponse_Resource{}
 	if protoimpl.UnsafeEnabled {
-		mi := &file_filer_proto_msgTypes[52]
+		mi := &file_filer_proto_msgTypes[54]
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		ms.StoreMessageInfo(mi)
 	}
@@ -3275,7 +3384,7 @@ func (x *LocateBrokerResponse_Resource) String() string {
 func (*LocateBrokerResponse_Resource) ProtoMessage() {}
 
 func (x *LocateBrokerResponse_Resource) ProtoReflect() protoreflect.Message {
-	mi := &file_filer_proto_msgTypes[52]
+	mi := &file_filer_proto_msgTypes[54]
 	if protoimpl.UnsafeEnabled && x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -3323,7 +3432,7 @@ type FilerConf_PathConf struct {
 func (x *FilerConf_PathConf) Reset() {
 	*x = FilerConf_PathConf{}
 	if protoimpl.UnsafeEnabled {
-		mi := &file_filer_proto_msgTypes[53]
+		mi := &file_filer_proto_msgTypes[55]
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		ms.StoreMessageInfo(mi)
 	}
@@ -3336,7 +3445,7 @@ func (x *FilerConf_PathConf) String() string {
 func (*FilerConf_PathConf) ProtoMessage() {}
 
 func (x *FilerConf_PathConf) ProtoReflect() protoreflect.Message {
-	mi := &file_filer_proto_msgTypes[53]
+	mi := &file_filer_proto_msgTypes[55]
 	if protoimpl.UnsafeEnabled && x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -3834,115 +3943,126 @@ var file_filer_proto_rawDesc = []byte{
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 }
 
 var (
@@ -3957,7 +4077,7 @@ func file_filer_proto_rawDescGZIP() []byte {
 	return file_filer_proto_rawDescData
 }
 
-var file_filer_proto_msgTypes = make([]protoimpl.MessageInfo, 54)
+var file_filer_proto_msgTypes = make([]protoimpl.MessageInfo, 56)
 var file_filer_proto_goTypes = []interface{}{
 	(*LookupDirectoryEntryRequest)(nil),   // 0: filer_pb.LookupDirectoryEntryRequest
 	(*LookupDirectoryEntryResponse)(nil),  // 1: filer_pb.LookupDirectoryEntryResponse
@@ -4009,17 +4129,19 @@ var file_filer_proto_goTypes = []interface{}{
 	(*KvPutResponse)(nil),                 // 47: filer_pb.KvPutResponse
 	(*FilerConf)(nil),                     // 48: filer_pb.FilerConf
 	(*RemoteConf)(nil),                    // 49: filer_pb.RemoteConf
-	nil,                                   // 50: filer_pb.Entry.ExtendedEntry
-	nil,                                   // 51: filer_pb.LookupVolumeResponse.LocationsMapEntry
-	(*LocateBrokerResponse_Resource)(nil), // 52: filer_pb.LocateBrokerResponse.Resource
-	(*FilerConf_PathConf)(nil),            // 53: filer_pb.FilerConf.PathConf
+	(*RemoteStorageMappingList)(nil),      // 50: filer_pb.RemoteStorageMappingList
+	(*RemoteStorageMapping)(nil),          // 51: filer_pb.RemoteStorageMapping
+	nil,                                   // 52: filer_pb.Entry.ExtendedEntry
+	nil,                                   // 53: filer_pb.LookupVolumeResponse.LocationsMapEntry
+	(*LocateBrokerResponse_Resource)(nil), // 54: filer_pb.LocateBrokerResponse.Resource
+	(*FilerConf_PathConf)(nil),            // 55: filer_pb.FilerConf.PathConf
 }
 var file_filer_proto_depIdxs = []int32{
 	5,  // 0: filer_pb.LookupDirectoryEntryResponse.entry:type_name -> filer_pb.Entry
 	5,  // 1: filer_pb.ListEntriesResponse.entry:type_name -> filer_pb.Entry
 	8,  // 2: filer_pb.Entry.chunks:type_name -> filer_pb.FileChunk
 	11, // 3: filer_pb.Entry.attributes:type_name -> filer_pb.FuseAttributes
-	50, // 4: filer_pb.Entry.extended:type_name -> filer_pb.Entry.ExtendedEntry
+	52, // 4: filer_pb.Entry.extended:type_name -> filer_pb.Entry.ExtendedEntry
 	4,  // 5: filer_pb.Entry.remote_entry:type_name -> filer_pb.RemoteEntry
 	5,  // 6: filer_pb.FullEntry.entry:type_name -> filer_pb.Entry
 	5,  // 7: filer_pb.EventNotification.old_entry:type_name -> filer_pb.Entry
@@ -4031,55 +4153,56 @@ var file_filer_proto_depIdxs = []int32{
 	5,  // 13: filer_pb.UpdateEntryRequest.entry:type_name -> filer_pb.Entry
 	8,  // 14: filer_pb.AppendToEntryRequest.chunks:type_name -> filer_pb.FileChunk
 	26, // 15: filer_pb.Locations.locations:type_name -> filer_pb.Location
-	51, // 16: filer_pb.LookupVolumeResponse.locations_map:type_name -> filer_pb.LookupVolumeResponse.LocationsMapEntry
+	53, // 16: filer_pb.LookupVolumeResponse.locations_map:type_name -> filer_pb.LookupVolumeResponse.LocationsMapEntry
 	28, // 17: filer_pb.CollectionListResponse.collections:type_name -> filer_pb.Collection
 	7,  // 18: filer_pb.SubscribeMetadataResponse.event_notification:type_name -> filer_pb.EventNotification
-	52, // 19: filer_pb.LocateBrokerResponse.resources:type_name -> filer_pb.LocateBrokerResponse.Resource
-	53, // 20: filer_pb.FilerConf.locations:type_name -> filer_pb.FilerConf.PathConf
-	25, // 21: filer_pb.LookupVolumeResponse.LocationsMapEntry.value:type_name -> filer_pb.Locations
-	0,  // 22: filer_pb.SeaweedFiler.LookupDirectoryEntry:input_type -> filer_pb.LookupDirectoryEntryRequest
-	2,  // 23: filer_pb.SeaweedFiler.ListEntries:input_type -> filer_pb.ListEntriesRequest
-	12, // 24: filer_pb.SeaweedFiler.CreateEntry:input_type -> filer_pb.CreateEntryRequest
-	14, // 25: filer_pb.SeaweedFiler.UpdateEntry:input_type -> filer_pb.UpdateEntryRequest
-	16, // 26: filer_pb.SeaweedFiler.AppendToEntry:input_type -> filer_pb.AppendToEntryRequest
-	18, // 27: filer_pb.SeaweedFiler.DeleteEntry:input_type -> filer_pb.DeleteEntryRequest
-	20, // 28: filer_pb.SeaweedFiler.AtomicRenameEntry:input_type -> filer_pb.AtomicRenameEntryRequest
-	22, // 29: filer_pb.SeaweedFiler.AssignVolume:input_type -> filer_pb.AssignVolumeRequest
-	24, // 30: filer_pb.SeaweedFiler.LookupVolume:input_type -> filer_pb.LookupVolumeRequest
-	29, // 31: filer_pb.SeaweedFiler.CollectionList:input_type -> filer_pb.CollectionListRequest
-	31, // 32: filer_pb.SeaweedFiler.DeleteCollection:input_type -> filer_pb.DeleteCollectionRequest
-	33, // 33: filer_pb.SeaweedFiler.Statistics:input_type -> filer_pb.StatisticsRequest
-	35, // 34: filer_pb.SeaweedFiler.GetFilerConfiguration:input_type -> filer_pb.GetFilerConfigurationRequest
-	37, // 35: filer_pb.SeaweedFiler.SubscribeMetadata:input_type -> filer_pb.SubscribeMetadataRequest
-	37, // 36: filer_pb.SeaweedFiler.SubscribeLocalMetadata:input_type -> filer_pb.SubscribeMetadataRequest
-	40, // 37: filer_pb.SeaweedFiler.KeepConnected:input_type -> filer_pb.KeepConnectedRequest
-	42, // 38: filer_pb.SeaweedFiler.LocateBroker:input_type -> filer_pb.LocateBrokerRequest
-	44, // 39: filer_pb.SeaweedFiler.KvGet:input_type -> filer_pb.KvGetRequest
-	46, // 40: filer_pb.SeaweedFiler.KvPut:input_type -> filer_pb.KvPutRequest
-	1,  // 41: filer_pb.SeaweedFiler.LookupDirectoryEntry:output_type -> filer_pb.LookupDirectoryEntryResponse
-	3,  // 42: filer_pb.SeaweedFiler.ListEntries:output_type -> filer_pb.ListEntriesResponse
-	13, // 43: filer_pb.SeaweedFiler.CreateEntry:output_type -> filer_pb.CreateEntryResponse
-	15, // 44: filer_pb.SeaweedFiler.UpdateEntry:output_type -> filer_pb.UpdateEntryResponse
-	17, // 45: filer_pb.SeaweedFiler.AppendToEntry:output_type -> filer_pb.AppendToEntryResponse
-	19, // 46: filer_pb.SeaweedFiler.DeleteEntry:output_type -> filer_pb.DeleteEntryResponse
-	21, // 47: filer_pb.SeaweedFiler.AtomicRenameEntry:output_type -> filer_pb.AtomicRenameEntryResponse
-	23, // 48: filer_pb.SeaweedFiler.AssignVolume:output_type -> filer_pb.AssignVolumeResponse
-	27, // 49: filer_pb.SeaweedFiler.LookupVolume:output_type -> filer_pb.LookupVolumeResponse
-	30, // 50: filer_pb.SeaweedFiler.CollectionList:output_type -> filer_pb.CollectionListResponse
-	32, // 51: filer_pb.SeaweedFiler.DeleteCollection:output_type -> filer_pb.DeleteCollectionResponse
-	34, // 52: filer_pb.SeaweedFiler.Statistics:output_type -> filer_pb.StatisticsResponse
-	36, // 53: filer_pb.SeaweedFiler.GetFilerConfiguration:output_type -> filer_pb.GetFilerConfigurationResponse
-	38, // 54: filer_pb.SeaweedFiler.SubscribeMetadata:output_type -> filer_pb.SubscribeMetadataResponse
-	38, // 55: filer_pb.SeaweedFiler.SubscribeLocalMetadata:output_type -> filer_pb.SubscribeMetadataResponse
-	41, // 56: filer_pb.SeaweedFiler.KeepConnected:output_type -> filer_pb.KeepConnectedResponse
-	43, // 57: filer_pb.SeaweedFiler.LocateBroker:output_type -> filer_pb.LocateBrokerResponse
-	45, // 58: filer_pb.SeaweedFiler.KvGet:output_type -> filer_pb.KvGetResponse
-	47, // 59: filer_pb.SeaweedFiler.KvPut:output_type -> filer_pb.KvPutResponse
-	41, // [41:60] is the sub-list for method output_type
-	22, // [22:41] is the sub-list for method input_type
-	22, // [22:22] is the sub-list for extension type_name
-	22, // [22:22] is the sub-list for extension extendee
-	0,  // [0:22] is the sub-list for field type_name
+	54, // 19: filer_pb.LocateBrokerResponse.resources:type_name -> filer_pb.LocateBrokerResponse.Resource
+	55, // 20: filer_pb.FilerConf.locations:type_name -> filer_pb.FilerConf.PathConf
+	51, // 21: filer_pb.RemoteStorageMappingList.mappings:type_name -> filer_pb.RemoteStorageMapping
+	25, // 22: filer_pb.LookupVolumeResponse.LocationsMapEntry.value:type_name -> filer_pb.Locations
+	0,  // 23: filer_pb.SeaweedFiler.LookupDirectoryEntry:input_type -> filer_pb.LookupDirectoryEntryRequest
+	2,  // 24: filer_pb.SeaweedFiler.ListEntries:input_type -> filer_pb.ListEntriesRequest
+	12, // 25: filer_pb.SeaweedFiler.CreateEntry:input_type -> filer_pb.CreateEntryRequest
+	14, // 26: filer_pb.SeaweedFiler.UpdateEntry:input_type -> filer_pb.UpdateEntryRequest
+	16, // 27: filer_pb.SeaweedFiler.AppendToEntry:input_type -> filer_pb.AppendToEntryRequest
+	18, // 28: filer_pb.SeaweedFiler.DeleteEntry:input_type -> filer_pb.DeleteEntryRequest
+	20, // 29: filer_pb.SeaweedFiler.AtomicRenameEntry:input_type -> filer_pb.AtomicRenameEntryRequest
+	22, // 30: filer_pb.SeaweedFiler.AssignVolume:input_type -> filer_pb.AssignVolumeRequest
+	24, // 31: filer_pb.SeaweedFiler.LookupVolume:input_type -> filer_pb.LookupVolumeRequest
+	29, // 32: filer_pb.SeaweedFiler.CollectionList:input_type -> filer_pb.CollectionListRequest
+	31, // 33: filer_pb.SeaweedFiler.DeleteCollection:input_type -> filer_pb.DeleteCollectionRequest
+	33, // 34: filer_pb.SeaweedFiler.Statistics:input_type -> filer_pb.StatisticsRequest
+	35, // 35: filer_pb.SeaweedFiler.GetFilerConfiguration:input_type -> filer_pb.GetFilerConfigurationRequest
+	37, // 36: filer_pb.SeaweedFiler.SubscribeMetadata:input_type -> filer_pb.SubscribeMetadataRequest
+	37, // 37: filer_pb.SeaweedFiler.SubscribeLocalMetadata:input_type -> filer_pb.SubscribeMetadataRequest
+	40, // 38: filer_pb.SeaweedFiler.KeepConnected:input_type -> filer_pb.KeepConnectedRequest
+	42, // 39: filer_pb.SeaweedFiler.LocateBroker:input_type -> filer_pb.LocateBrokerRequest
+	44, // 40: filer_pb.SeaweedFiler.KvGet:input_type -> filer_pb.KvGetRequest
+	46, // 41: filer_pb.SeaweedFiler.KvPut:input_type -> filer_pb.KvPutRequest
+	1,  // 42: filer_pb.SeaweedFiler.LookupDirectoryEntry:output_type -> filer_pb.LookupDirectoryEntryResponse
+	3,  // 43: filer_pb.SeaweedFiler.ListEntries:output_type -> filer_pb.ListEntriesResponse
+	13, // 44: filer_pb.SeaweedFiler.CreateEntry:output_type -> filer_pb.CreateEntryResponse
+	15, // 45: filer_pb.SeaweedFiler.UpdateEntry:output_type -> filer_pb.UpdateEntryResponse
+	17, // 46: filer_pb.SeaweedFiler.AppendToEntry:output_type -> filer_pb.AppendToEntryResponse
+	19, // 47: filer_pb.SeaweedFiler.DeleteEntry:output_type -> filer_pb.DeleteEntryResponse
+	21, // 48: filer_pb.SeaweedFiler.AtomicRenameEntry:output_type -> filer_pb.AtomicRenameEntryResponse
+	23, // 49: filer_pb.SeaweedFiler.AssignVolume:output_type -> filer_pb.AssignVolumeResponse
+	27, // 50: filer_pb.SeaweedFiler.LookupVolume:output_type -> filer_pb.LookupVolumeResponse
+	30, // 51: filer_pb.SeaweedFiler.CollectionList:output_type -> filer_pb.CollectionListResponse
+	32, // 52: filer_pb.SeaweedFiler.DeleteCollection:output_type -> filer_pb.DeleteCollectionResponse
+	34, // 53: filer_pb.SeaweedFiler.Statistics:output_type -> filer_pb.StatisticsResponse
+	36, // 54: filer_pb.SeaweedFiler.GetFilerConfiguration:output_type -> filer_pb.GetFilerConfigurationResponse
+	38, // 55: filer_pb.SeaweedFiler.SubscribeMetadata:output_type -> filer_pb.SubscribeMetadataResponse
+	38, // 56: filer_pb.SeaweedFiler.SubscribeLocalMetadata:output_type -> filer_pb.SubscribeMetadataResponse
+	41, // 57: filer_pb.SeaweedFiler.KeepConnected:output_type -> filer_pb.KeepConnectedResponse
+	43, // 58: filer_pb.SeaweedFiler.LocateBroker:output_type -> filer_pb.LocateBrokerResponse
+	45, // 59: filer_pb.SeaweedFiler.KvGet:output_type -> filer_pb.KvGetResponse
+	47, // 60: filer_pb.SeaweedFiler.KvPut:output_type -> filer_pb.KvPutResponse
+	42, // [42:61] is the sub-list for method output_type
+	23, // [23:42] is the sub-list for method input_type
+	23, // [23:23] is the sub-list for extension type_name
+	23, // [23:23] is the sub-list for extension extendee
+	0,  // [0:23] is the sub-list for field type_name
 }
 
 func init() { file_filer_proto_init() }
@@ -4688,7 +4811,31 @@ func file_filer_proto_init() {
 				return nil
 			}
 		}
-		file_filer_proto_msgTypes[52].Exporter = func(v interface{}, i int) interface{} {
+		file_filer_proto_msgTypes[50].Exporter = func(v interface{}, i int) interface{} {
+			switch v := v.(*RemoteStorageMappingList); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
+			}
+		}
+		file_filer_proto_msgTypes[51].Exporter = func(v interface{}, i int) interface{} {
+			switch v := v.(*RemoteStorageMapping); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
+			}
+		}
+		file_filer_proto_msgTypes[54].Exporter = func(v interface{}, i int) interface{} {
 			switch v := v.(*LocateBrokerResponse_Resource); i {
 			case 0:
 				return &v.state
@@ -4700,7 +4847,7 @@ func file_filer_proto_init() {
 				return nil
 			}
 		}
-		file_filer_proto_msgTypes[53].Exporter = func(v interface{}, i int) interface{} {
+		file_filer_proto_msgTypes[55].Exporter = func(v interface{}, i int) interface{} {
 			switch v := v.(*FilerConf_PathConf); i {
 			case 0:
 				return &v.state
@@ -4719,7 +4866,7 @@ func file_filer_proto_init() {
 			GoPackagePath: reflect.TypeOf(x{}).PkgPath(),
 			RawDescriptor: file_filer_proto_rawDesc,
 			NumEnums:      0,
-			NumMessages:   54,
+			NumMessages:   56,
 			NumExtensions: 0,
 			NumServices:   1,
 		},
diff --git a/weed/shell/command_remote_configure.go b/weed/shell/command_remote_configure.go
index 567143ce1..20ded5f5b 100644
--- a/weed/shell/command_remote_configure.go
+++ b/weed/shell/command_remote_configure.go
@@ -10,6 +10,7 @@ import (
 	"github.com/golang/protobuf/proto"
 	"io"
 	"regexp"
+	"strings"
 )
 
 func init() {
@@ -84,6 +85,9 @@ func (c *commandRemoteConfigure) listExistingRemoteStorages(commandEnv *CommandE
 			fmt.Fprintf(writer, "skipping %s\n", entry.Name)
 			return nil
 		}
+		if !strings.HasSuffix(entry.Name, filer.REMOTE_STORAGE_CONF_SUFFIX) {
+			return nil
+		}
 		conf := &filer_pb.RemoteConf{}
 
 		if err := proto.Unmarshal(entry.Content, conf); err != nil {
@@ -105,7 +109,7 @@ func (c *commandRemoteConfigure) deleteRemoteStorage(commandEnv *CommandEnv, wri
 
 		request := &filer_pb.DeleteEntryRequest{
 			Directory:            filer.DirectoryEtcRemote,
-			Name:                 storageName,
+			Name:                 storageName + filer.REMOTE_STORAGE_CONF_SUFFIX,
 			IgnoreRecursiveError: false,
 			IsDeleteData:         true,
 			IsRecursive:          true,
@@ -132,7 +136,7 @@ func (c *commandRemoteConfigure) saveRemoteStorage(commandEnv *CommandEnv, write
 	}
 
 	if err = commandEnv.WithFilerClient(func(client filer_pb.SeaweedFilerClient) error {
-		return filer.SaveInsideFiler(client, filer.DirectoryEtcRemote, conf.Name, data)
+		return filer.SaveInsideFiler(client, filer.DirectoryEtcRemote, conf.Name+filer.REMOTE_STORAGE_CONF_SUFFIX, data)
 	}); err != nil && err != filer_pb.ErrNotFound {
 		return err
 	}
diff --git a/weed/shell/command_remote_mount.go b/weed/shell/command_remote_mount.go
index 22d92ef8b..10541092a 100644
--- a/weed/shell/command_remote_mount.go
+++ b/weed/shell/command_remote_mount.go
@@ -7,7 +7,6 @@ import (
 	"github.com/chrislusf/seaweedfs/weed/filer"
 	"github.com/chrislusf/seaweedfs/weed/pb/filer_pb"
 	"github.com/chrislusf/seaweedfs/weed/remote_storage"
-	_ "github.com/chrislusf/seaweedfs/weed/remote_storage/s3"
 	"github.com/chrislusf/seaweedfs/weed/util"
 	"github.com/golang/protobuf/proto"
 	"io"
@@ -82,7 +81,7 @@ func (c *commandRemoteMount) findRemoteStorageConfiguration(commandEnv *CommandE
 	// read storage configuration data
 	var confBytes []byte
 	err = commandEnv.WithFilerClient(func(client filer_pb.SeaweedFilerClient) error {
-		confBytes, err = filer.ReadInsideFiler(client, filer.DirectoryEtcRemote, storageName)
+		confBytes, err = filer.ReadInsideFiler(client, filer.DirectoryEtcRemote, storageName+filer.REMOTE_STORAGE_CONF_SUFFIX)
 		return err
 	})
 	if err != nil {