Impl GetReplicas in Proxy

See also: #16298 Signed-off-by: yangxuan <xuan.yang@zilliz.com>
milvus-io · sre-ci-robot · Apr 6, 2022 · Apr 6, 2022 · Apr 6, 2022 · 7f81c294c5d8543b1e37fc81f7674abceda1c45f
commit 7f81c294c5d8543b1e37fc81f7674abceda1c45f
diff --git a/internal/core/src/pb/milvus.pb.cc b/internal/core/src/pb/milvus.pb.cc
diff --git a/internal/core/src/pb/milvus.pb.h b/internal/core/src/pb/milvus.pb.h
diff --git a/internal/distributed/proxy/service.go b/internal/distributed/proxy/service.go
@@ -647,6 +647,10 @@ func (s *Server) GetImportState(ctx context.Context, req *milvuspb.GetImportStat
 	return s.proxy.GetImportState(ctx, req)
 }
 
+func (s *Server) GetReplicas(ctx context.Context, req *milvuspb.GetReplicasRequest) (*milvuspb.GetReplicasResponse, error) {
+	return s.proxy.GetReplicas(ctx, req)
+}
+
 // Check is required by gRPC healthy checking
 func (s *Server) Check(ctx context.Context, req *grpc_health_v1.HealthCheckRequest) (*grpc_health_v1.HealthCheckResponse, error) {
 	ret := &grpc_health_v1.HealthCheckResponse{

diff --git a/internal/distributed/proxy/service_test.go b/internal/distributed/proxy/service_test.go
@@ -360,7 +360,7 @@ func (m *MockQueryCoord) GetMetrics(ctx context.Context, req *milvuspb.GetMetric
 	return nil, nil
 }
 
-func (m *MockQueryCoord) GetReplicas(ctx context.Context, req *querypb.GetReplicasRequest) (*querypb.GetReplicasResponse, error) {
+func (m *MockQueryCoord) GetReplicas(ctx context.Context, req *milvuspb.GetReplicasRequest) (*milvuspb.GetReplicasResponse, error) {
 	return nil, nil
 }
 
@@ -708,6 +708,10 @@ func (m *MockProxy) GetImportState(ctx context.Context, req *milvuspb.GetImportS
 	return nil, nil
 }
 
+func (m *MockProxy) GetReplicas(ctx context.Context, req *milvuspb.GetReplicasRequest) (*milvuspb.GetReplicasResponse, error) {
+	return nil, nil
+}
+
 ///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
 func Test_NewServer(t *testing.T) {
 	ctx := context.Background()

diff --git a/internal/distributed/querycoord/client/client.go b/internal/distributed/querycoord/client/client.go
@@ -302,7 +302,7 @@ func (c *Client) GetMetrics(ctx context.Context, req *milvuspb.GetMetricsRequest
 }
 
 // GetReplicas gets the replicas of a certain collection.
-func (c *Client) GetReplicas(ctx context.Context, req *querypb.GetReplicasRequest) (*querypb.GetReplicasResponse, error) {
+func (c *Client) GetReplicas(ctx context.Context, req *milvuspb.GetReplicasRequest) (*milvuspb.GetReplicasResponse, error) {
 	ret, err := c.grpcClient.ReCall(ctx, func(client interface{}) (interface{}, error) {
 		if !funcutil.CheckCtxValid(ctx) {
 			return nil, ctx.Err()
@@ -312,7 +312,7 @@ func (c *Client) GetReplicas(ctx context.Context, req *querypb.GetReplicasReques
 	if err != nil || ret == nil {
 		return nil, err
 	}
-	return ret.(*querypb.GetReplicasResponse), err
+	return ret.(*milvuspb.GetReplicasResponse), err
 }
 
 // GetShardLeaders gets the shard leaders of a certain collection.

diff --git a/internal/distributed/querycoord/service.go b/internal/distributed/querycoord/service.go
@@ -391,7 +391,7 @@ func (s *Server) GetMetrics(ctx context.Context, req *milvuspb.GetMetricsRequest
 }
 
 // GetReplicas returns the shard leaders of a certain collection.
-func (s *Server) GetReplicas(ctx context.Context, req *querypb.GetReplicasRequest) (*querypb.GetReplicasResponse, error) {
+func (s *Server) GetReplicas(ctx context.Context, req *milvuspb.GetReplicasRequest) (*milvuspb.GetReplicasResponse, error) {
 	return s.queryCoord.GetReplicas(ctx, req)
 }
 

diff --git a/internal/distributed/querycoord/service_test.go b/internal/distributed/querycoord/service_test.go
@@ -48,7 +48,7 @@ type MockQueryCoord struct {
 	channelResp      *querypb.CreateQueryChannelResponse
 	infoResp         *querypb.GetSegmentInfoResponse
 	metricResp       *milvuspb.GetMetricsResponse
-	replicasResp     *querypb.GetReplicasResponse
+	replicasResp     *milvuspb.GetReplicasResponse
 	shardLeadersResp *querypb.GetShardLeadersResponse
 }
 
@@ -144,7 +144,7 @@ func (m *MockQueryCoord) GetMetrics(ctx context.Context, req *milvuspb.GetMetric
 	return m.metricResp, m.err
 }
 
-func (m *MockQueryCoord) GetReplicas(ctx context.Context, req *querypb.GetReplicasRequest) (*querypb.GetReplicasResponse, error) {
+func (m *MockQueryCoord) GetReplicas(ctx context.Context, req *milvuspb.GetReplicasRequest) (*milvuspb.GetReplicasResponse, error) {
 	return m.replicasResp, m.err
 }
 

diff --git a/internal/proto/milvus.proto b/internal/proto/milvus.proto
@@ -49,6 +49,7 @@ service MilvusService {
   rpc GetFlushState(GetFlushStateRequest) returns (GetFlushStateResponse) {}
   rpc GetPersistentSegmentInfo(GetPersistentSegmentInfoRequest) returns (GetPersistentSegmentInfoResponse) {}
   rpc GetQuerySegmentInfo(GetQuerySegmentInfoRequest) returns (GetQuerySegmentInfoResponse) {}
+  rpc GetReplicas(GetReplicasRequest) returns (GetReplicasResponse) {}
 
   rpc Dummy(DummyRequest) returns (DummyResponse) {}
 
@@ -821,6 +822,37 @@ message GetImportStateResponse {
   repeated common.KeyValuePair infos = 5;  // more informations about the task, progress percent, file path, failed reason, etc.
 }
 
+message GetReplicasRequest {
+  common.MsgBase base = 1;
+  int64 collectionID = 2;
+  bool with_shard_nodes = 3;
+}
+
+message GetReplicasResponse {
+  common.Status status = 1;
+  repeated ReplicaInfo replicas = 2;
+}
+
+message ReplicaInfo {    // ReplicaGroup
+  int64 replicaID = 1;
+  int64 collectionID = 2;
+  repeated int64 partition_ids = 3;    // empty indicates to load collection
+  repeated ShardReplica shard_replicas = 4;
+  repeated int64 node_ids = 5; // include leaders
+}
+
+message ShardReplica {
+    int64 leaderID = 1;
+    string leader_addr = 2; // IP:port
+    string dm_channel_name = 3;
+    // optional, DO NOT save it in meta, set it only for GetReplicas()
+    // if with_shard_nodes is true
+    repeated int64 node_ids = 4; 
+}
+
+
+
 service ProxyService {
   rpc RegisterLink(RegisterLinkRequest) returns (RegisterLinkResponse) {}
 }
+