Implement target selection, autodiscovery via aggregator, implement listTargets

proto/logtailpb/logtail_grpc.pb.go

@@ -22,6 +22,7 @@ const (
 	LogtailService_TopN_FullMethodName            = "/logtail.LogtailService/TopN"
 	LogtailService_Trend_FullMethodName           = "/logtail.LogtailService/Trend"
 	LogtailService_StreamSnapshots_FullMethodName = "/logtail.LogtailService/StreamSnapshots"
+	LogtailService_ListTargets_FullMethodName     = "/logtail.LogtailService/ListTargets"
 )
 
 // LogtailServiceClient is the client API for LogtailService service.
@@ -31,6 +32,7 @@ type LogtailServiceClient interface {
 	TopN(ctx context.Context, in *TopNRequest, opts ...grpc.CallOption) (*TopNResponse, error)
 	Trend(ctx context.Context, in *TrendRequest, opts ...grpc.CallOption) (*TrendResponse, error)
 	StreamSnapshots(ctx context.Context, in *SnapshotRequest, opts ...grpc.CallOption) (grpc.ServerStreamingClient[Snapshot], error)
+	ListTargets(ctx context.Context, in *ListTargetsRequest, opts ...grpc.CallOption) (*ListTargetsResponse, error)
 }
 
 type logtailServiceClient struct {
@@ -80,6 +82,16 @@ func (c *logtailServiceClient) StreamSnapshots(ctx context.Context, in *Snapshot
 // This type alias is provided for backwards compatibility with existing code that references the prior non-generic stream type by name.
 type LogtailService_StreamSnapshotsClient = grpc.ServerStreamingClient[Snapshot]
 
+func (c *logtailServiceClient) ListTargets(ctx context.Context, in *ListTargetsRequest, opts ...grpc.CallOption) (*ListTargetsResponse, error) {
+	cOpts := append([]grpc.CallOption{grpc.StaticMethod()}, opts...)
+	out := new(ListTargetsResponse)
+	err := c.cc.Invoke(ctx, LogtailService_ListTargets_FullMethodName, in, out, cOpts...)
+	if err != nil {
+		return nil, err
+	}
+	return out, nil
+}
+
 // LogtailServiceServer is the server API for LogtailService service.
 // All implementations must embed UnimplementedLogtailServiceServer
 // for forward compatibility.
@@ -87,6 +99,7 @@ type LogtailServiceServer interface {
 	TopN(context.Context, *TopNRequest) (*TopNResponse, error)
 	Trend(context.Context, *TrendRequest) (*TrendResponse, error)
 	StreamSnapshots(*SnapshotRequest, grpc.ServerStreamingServer[Snapshot]) error
+	ListTargets(context.Context, *ListTargetsRequest) (*ListTargetsResponse, error)
 	mustEmbedUnimplementedLogtailServiceServer()
 }
 
@@ -106,6 +119,9 @@ func (UnimplementedLogtailServiceServer) Trend(context.Context, *TrendRequest) (
 func (UnimplementedLogtailServiceServer) StreamSnapshots(*SnapshotRequest, grpc.ServerStreamingServer[Snapshot]) error {
 	return status.Error(codes.Unimplemented, "method StreamSnapshots not implemented")
 }
+func (UnimplementedLogtailServiceServer) ListTargets(context.Context, *ListTargetsRequest) (*ListTargetsResponse, error) {
+	return nil, status.Error(codes.Unimplemented, "method ListTargets not implemented")
+}
 func (UnimplementedLogtailServiceServer) mustEmbedUnimplementedLogtailServiceServer() {}
 func (UnimplementedLogtailServiceServer) testEmbeddedByValue()                        {}
 
@@ -174,6 +190,24 @@ func _LogtailService_StreamSnapshots_Handler(srv interface{}, stream grpc.Server
 // This type alias is provided for backwards compatibility with existing code that references the prior non-generic stream type by name.
 type LogtailService_StreamSnapshotsServer = grpc.ServerStreamingServer[Snapshot]
 
+func _LogtailService_ListTargets_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
+	in := new(ListTargetsRequest)
+	if err := dec(in); err != nil {
+		return nil, err
+	}
+	if interceptor == nil {
+		return srv.(LogtailServiceServer).ListTargets(ctx, in)
+	}
+	info := &grpc.UnaryServerInfo{
+		Server:     srv,
+		FullMethod: LogtailService_ListTargets_FullMethodName,
+	}
+	handler := func(ctx context.Context, req interface{}) (interface{}, error) {
+		return srv.(LogtailServiceServer).ListTargets(ctx, req.(*ListTargetsRequest))
+	}
+	return interceptor(ctx, in, info, handler)
+}
+
 // LogtailService_ServiceDesc is the grpc.ServiceDesc for LogtailService service.
 // It's only intended for direct use with grpc.RegisterService,
 // and not to be introspected or modified (even as a copy)
@@ -189,6 +223,10 @@ var LogtailService_ServiceDesc = grpc.ServiceDesc{
 			MethodName: "Trend",
 			Handler:    _LogtailService_Trend_Handler,
 		},
+		{
+			MethodName: "ListTargets",
+			Handler:    _LogtailService_ListTargets_Handler,
+		},
 	},
 	Streams: []grpc.StreamDesc{
 		{