server implementation for verify.

gnmi_server/gnoi.go

@@ -116,8 +116,34 @@ func KillOrRestartProcess(restart bool, serviceName string) error {
 	return err
 }
 
-func (src *OSServer) Verify(ctx context.Context, req *gnoi_os_pb.VerifyRequest) (*gnoi_os_pb.VerifyResponse, error) {
-	return nil, status.Errorf(codes.Unimplemented, "")
+func (srv *OSServer) Verify(ctx context.Context, req *gnoi_os_pb.VerifyRequest) (*gnoi_os_pb.VerifyResponse, error) {
+	_, err := authenticate(srv.config, ctx, false)
+	if err != nil {
+		log.V(2).Infof("Failed to authenticate: %v", err)
+		return nil, err
+	}
+
+	log.V(1).Info("gNOI: Verify")
+	dbus, err := ssc.NewDbusClient()
+	if err != nil {
+		log.V(2).Infof("Failed to create dbus client: %v", err)
+		return nil, err
+	}
+
+	images, err := dbus.ListImages()
+	if err != nil {
+		log.V(2).Infof("Failed to list images: %v", err)
+		return nil, err
+	}
+
+	current_image, ok := images["current"].(string)
+	if !ok {
+		return nil, status.Errorf(codes.Internal, "Failed to assert current image as string")
+	}
+	resp := &gnoi_os_pb.VerifyResponse{
+		Version: current_image,
+	}
+	return resp, nil
 }
 
 func (srv *SystemServer) KillProcess(ctx context.Context, req *gnoi_system_pb.KillProcessRequest) (*gnoi_system_pb.KillProcessResponse, error) {

gnmi_server/server.go

@@ -189,6 +189,7 @@ func NewServer(config *Config, opts []grpc.ServerOption) (*Server, error) {
 
 	fileSrv := &FileServer{Server: srv}
 	systemSrv := &SystemServer{Server: srv}
+	osSrv := &OSServer{Server: srv}
 
 	var err error
 	if srv.config.Port < 0 {
@@ -203,6 +204,7 @@ func NewServer(config *Config, opts []grpc.ServerOption) (*Server, error) {
 	if srv.config.EnableTranslibWrite || srv.config.EnableNativeWrite {
 		gnoi_system_pb.RegisterSystemServer(srv.s, systemSrv)
 		gnoi_file_pb.RegisterFileServer(srv.s, fileSrv)
+		gnoi_os_pb.RegisterOSServer(srv.s, osSrv)
 	}
 	if srv.config.EnableTranslibWrite {
 		spb_gnoi.RegisterSonicServiceServer(srv.s, srv)