backport the fix for Fluentd failure on nightly(OWLS-109160) to release/4.0

Author: huizhao

integration-tests/src/test/java/oracle/weblogic/kubernetes/ItElasticLoggingFluentd.java

@@ -182,7 +182,7 @@ public static void init(@Namespaces(3) List<String> namespaces) {
     installAndVerifyOperator(opNamespace, opNamespace + "-sa",
         false, 0, true, domainNamespace);
 
-    elasticSearchHost = "elasticsearch." + elasticSearchNs + ".svc.cluster.local";
+    elasticSearchHost = "elasticsearch." + elasticSearchNs + ".svc";
 
     // upgrade to latest operator
     HelmParams upgradeHelmParams = new HelmParams()

integration-tests/src/test/java/oracle/weblogic/kubernetes/actions/impl/LoggingExporter.java

@@ -468,7 +468,7 @@ private static V1Service createKibanaServiceCr(LoggingExporterParams params) {
 
   private static String execLoggingExpStatusCheck(String opNamespace, String esNamespace,
       String labelSelector, String indexRegex) {
-    String elasticSearchHost = "elasticsearch." + esNamespace + ".svc.cluster.local";
+    String elasticSearchHost = "elasticsearch." + esNamespace + ".svc";
     StringBuffer k8sExecCmdPrefixBuff = new StringBuffer("curl http://");
     String cmd = k8sExecCmdPrefixBuff
         .append(elasticSearchHost)