Use normal stop instead of graceful because stream RPC doesn't close otherwise

Author: sjberman

internal/mode/static/nginx/agent/command.go

@@ -193,8 +193,6 @@ func (cs *commandService) Subscribe(in pb.CommandService_SubscribeServer) error
 	}
 }
 
-// TODO(sberman): current issue: when control plane restarts, agent doesn't re-establish a CreateConnection call,
-// so this fails.
 func (cs *commandService) waitForConnection(
 	ctx context.Context,
 	gi grpcContext.GrpcInfo,

internal/mode/static/nginx/agent/grpc/grpc.go

@@ -82,7 +82,7 @@ func (g *Server) Start(ctx context.Context) error {
 	go func() {
 		<-ctx.Done()
 		g.logger.Info("Shutting down GRPC Server")
-		server.GracefulStop()
+		server.Stop()
 	}()
 
 	return server.Serve(listener)