Clear out cached kubernetes client on load of status report

Author: GaneshSPatil

src/main/java/cd/go/contrib/elasticagent/KubernetesClientFactory.java

@@ -54,4 +54,8 @@ private KubernetesClient createClientFor(PluginSettings pluginSettings) {
 
         return new DefaultKubernetesClient(configBuilder.build());
     }
-}
+
+    public void clearOutExistingClient() {
+        this.client = null;
+    }
+}

src/main/java/cd/go/contrib/elasticagent/KubernetesPlugin.java

@@ -96,6 +96,7 @@ public GoPluginApiResponse handle(GoPluginApiRequest request) {
                 case REQUEST_CLUSTER_STATUS_REPORT:
                     ClusterStatusReportRequest clusterStatusReportRequest = ClusterStatusReportRequest.fromJSON(request.requestBody());
                     clusterProfileProperties = clusterStatusReportRequest.clusterProfileProperties();
+                    KubernetesClientFactory.instance().clearOutExistingClient();
                     refreshInstancesForCluster(clusterProfileProperties);
                     return clusterStatusReportRequest.executor().execute();
                 case REQUEST_ELASTIC_AGENT_STATUS_REPORT: