1 files changed, 23 insertions, 0 deletions
diff --git a/weed/pb/master.proto b/weed/pb/master.proto
index f03b3a9ab..4310b2602 100644
--- a/weed/pb/master.proto
+++ b/weed/pb/master.proto
@@ -25,6 +25,8 @@ service Seaweed {
     }
     rpc GetMasterConfiguration (GetMasterConfigurationRequest) returns (GetMasterConfigurationResponse) {
     }
+    rpc ListMasterClients (ListMasterClientsRequest) returns (ListMasterClientsResponse) {
+    }
 }
 
 //////////////////////////////////////////////////
@@ -58,6 +60,7 @@ message HeartbeatResponse {
     string leader = 2;
     string metrics_address = 3;
     uint32 metrics_interval_seconds = 4;
+    repeated StorageBackend storage_backends = 5;
 }
 
 message VolumeInformationMessage {
@@ -73,6 +76,8 @@ message VolumeInformationMessage {
     uint32 ttl = 10;
     uint32 compact_revision = 11;
     int64 modified_at_second = 12;
+    string remote_storage_name = 13;
+    string remote_storage_key = 14;
 }
 
 message VolumeShortInformationMessage {
@@ -89,6 +94,12 @@ message VolumeEcShardInformationMessage {
     uint32 ec_index_bits = 3;
 }
 
+message StorageBackend {
+    string type = 1;
+    string id = 2;
+    map<string, string> properties = 3;
+}
+
 message Empty {
 }
 
@@ -103,6 +114,7 @@ message SuperBlockExtra {
 
 message KeepConnectedRequest {
     string name = 1;
+    uint32 grpc_port = 2;
 }
 
 message VolumeLocation {
@@ -201,6 +213,7 @@ message DataNodeInfo {
     uint64 active_volume_count = 5;
     repeated VolumeInformationMessage volume_infos = 6;
     repeated VolumeEcShardInformationMessage ec_shard_infos = 7;
+    uint64 remote_volume_count = 8;
 }
 message RackInfo {
     string id = 1;
@@ -209,6 +222,7 @@ message RackInfo {
     uint64 free_volume_count = 4;
     uint64 active_volume_count = 5;
     repeated DataNodeInfo data_node_infos = 6;
+    uint64 remote_volume_count = 7;
 }
 message DataCenterInfo {
     string id = 1;
@@ -217,6 +231,7 @@ message DataCenterInfo {
     uint64 free_volume_count = 4;
     uint64 active_volume_count = 5;
     repeated RackInfo rack_infos = 6;
+    uint64 remote_volume_count = 7;
 }
 message TopologyInfo {
     string id = 1;
@@ -225,6 +240,7 @@ message TopologyInfo {
     uint64 free_volume_count = 4;
     uint64 active_volume_count = 5;
     repeated DataCenterInfo data_center_infos = 6;
+    uint64 remote_volume_count = 7;
 }
 message VolumeListRequest {
 }
@@ -251,3 +267,10 @@ message GetMasterConfigurationResponse {
     string metrics_address = 1;
     uint32 metrics_interval_seconds = 2;
 }
+
+message ListMasterClientsRequest {
+    string client_type = 1;
+}
+message ListMasterClientsResponse {
+    repeated string grpc_addresses = 1;
+}