Show error alert when data is not available

ui/src/reducers/redisInfoReducer.ts

@@ -8,6 +8,7 @@ import { RedisInfo } from "../api";
 
 interface RedisInfoState {
   loading: boolean;
+  error: string;
   address: string;
   data: RedisInfo | null;
   rawData: string | null;
@@ -15,6 +16,7 @@ interface RedisInfoState {
 
 const initialState: RedisInfoState = {
   loading: false,
+  error: "",
   address: "",
   data: null,
   rawData: null,
@@ -35,11 +37,13 @@ export default function redisInfoReducer(
       return {
         ...state,
         loading: false,
+        error: action.error,
       };
 
     case GET_REDIS_INFO_SUCCESS:
       return {
         loading: false,
+        error: "",
         address: action.payload.address,
         data: action.payload.info,
         rawData: action.payload.raw_info,