support 6.6.1

Author: TrumanDu

index.js

@@ -32,7 +32,7 @@ export default function (kibana) {
       // Add server routes and initialize the plugin here
       const config = server.config();
       const client = new elasticsearch.Client({
-        host: config.get('elasticsearch.url'),
+        host: config.get('elasticsearch.hosts'),
         //log: 'trace'
         requestTimeout: 120000
       });

server/routes/serverRoute.js

@@ -2,16 +2,15 @@ export default function (server, client) {
   server.route({
     path: '/api/indices_view/_stats',
     method: 'GET',
-    handler(req, reply) {
-      client
+    handler:async (_req)=>{
+      const response = await client
         .indices
         .stats({
           human: false,
           level: 'indices',
           metric: ['docs', 'store', 'get', 'search', 'query_cache']
-        }, function (err, response) {
-          reply(response);
         });
+        return response;
     }
   });
 }