enhance: resource group declarative api

proto/common.proto

@@ -275,6 +275,7 @@ enum MsgType {
     DescribeResourceGroup = 1703;
     TransferNode = 1704;
     TransferReplica = 1705;
+    UpdateResourceGroups = 1706;
 
     /* Database group */
     CreateDatabase = 1801;
@@ -395,6 +396,8 @@ enum ObjectPrivilege {
     PrivilegeDropAlias = 45;
     PrivilegeDescribeAlias = 46;
     PrivilegeListAliases = 47;
+
+    PrivilegeUpdateResourceGroups = 48;
 }
 
 message PrivilegeExt {
@@ -449,3 +452,10 @@ message ServerInfo {
     // reserved for newly-added feature if necessary.
     map<string, string> reserved = 6;
 }
+
+// NodeInfo is used to describe the node information.
+message NodeInfo {
+    int64 nodeID = 1;
+    string address = 2;
+    string hostname = 3;
+}

proto/milvus.proto

@@ -11,6 +11,7 @@ option java_generate_equals_and_hash = true;
 option csharp_namespace = "Milvus.Client.Grpc";
 
 import "common.proto";
+import "rg.proto";
 import "schema.proto";
 import "feder.proto";
 import "msg.proto";
@@ -113,6 +114,7 @@ service MilvusService {
 
   rpc CreateResourceGroup(CreateResourceGroupRequest) returns (common.Status) {}
   rpc DropResourceGroup(DropResourceGroupRequest) returns (common.Status) {}
+  rpc UpdateResourceGroups(UpdateResourceGroupsRequest) returns (common.Status) {}
   rpc TransferNode(TransferNodeRequest) returns (common.Status) {}
   rpc TransferReplica(TransferReplicaRequest) returns (common.Status) {}
   rpc ListResourceGroups(ListResourceGroupsRequest) returns (ListResourceGroupsResponse) {}
@@ -1623,6 +1625,17 @@ message CreateResourceGroupRequest {
   };
   common.MsgBase base = 1;
   string resource_group = 2;
+  rg.ResourceGroupConfig config = 3;
+}
+
+message UpdateResourceGroupsRequest {
+  option (common.privilege_ext_obj) = {
+    object_type: Global
+    object_privilege: PrivilegeUpdateResourceGroups
+    object_name_index: -1
+  };
+  common.MsgBase base = 1;
+  map<string, rg.ResourceGroupConfig> resource_groups = 2;
 }
 
 message DropResourceGroupRequest {
@@ -1700,8 +1713,12 @@ message ResourceGroup {
   map<string, int32> num_loaded_replica = 4;
   // collection name -> accessed other rg's node num
   map<string, int32> num_outgoing_node = 5;
-   // collection name -> be accessed node num by other rg
+  // collection name -> be accessed node num by other rg
   map<string, int32> num_incoming_node = 6;
+  // resource group configuration.
+  rg.ResourceGroupConfig config = 7;
+  // query node belong to this resource group now.
+  repeated common.NodeInfo nodes = 8;
 }
 
 message RenameCollectionRequest {

proto/rg.proto

@@ -0,0 +1,29 @@
+syntax = "proto3";
+package milvus.proto.rg;
+
+option go_package = "github.com/milvus-io/milvus-proto/go-api/v2/rgpb";
+
+option java_multiple_files = true;
+option java_package = "io.milvus.grpc";
+option java_outer_classname = "ResourceGroupProto";
+option java_generate_equals_and_hash = true;
+
+option csharp_namespace = "Milvus.Client.Grpc";
+
+message ResourceGroupLimit {
+  int32 nodeNum = 1;
+  // preserve for other limit.
+}
+
+message ResourceGroupTransfer {
+  string resource_group = 1; // resource groups can be transfered with current resource group.
+  // preserve for other option, such as weight, priority or affinity setup.
+}
+
+message ResourceGroupConfig {
+  ResourceGroupLimit requests = 1; // requests node num in resource group, if node num is less than requests.nodeNum, it will be transfer from other resource group.
+  ResourceGroupLimit limits = 2; // limited node num in resource group, if node num is more than limits.nodeNum, it will be transfer to other resource group.
+  repeated ResourceGroupTransfer from = 3; // missing node should be transfer from given resource group at high priority in repeated list.
+  repeated ResourceGroupTransfer to = 4; // redundant node should be transfer to given resource group at high priority in repeated list.
+}
+

scripts/proto_gen_go.sh

@@ -73,4 +73,7 @@ $protoc --proto_path="${GOOGLE_PROTO_DIR}" --proto_path=. \
     --go_opt="Mmessage.proto=github.com/milvus-io/milvus-proto/go-api/v2/federpb;federpb" \
     --go_out=plugins=grpc,paths=source_relative:./../go-api/federpb feder.proto
 
+$protoc --proto_path="${GOOGLE_PROTO_DIR}" --proto_path=. \
+    --go_out=plugins=grpc,paths=source_relative:./../go-api/rgpb rg.proto
+
 popd