Add port used for jgroups discovery to ServiceEntries

Change-Id: I9988c1d1ad8e1c9ec0c4946177d3520bb78bc74f
diff --git a/operator/src/main/java/com/google/gerrit/k8s/operator/network/istio/dependent/GerritIstioServiceEntries.java b/operator/src/main/java/com/google/gerrit/k8s/operator/network/istio/dependent/GerritIstioServiceEntries.java
index e6ba9a8..670cf4e 100644
--- a/operator/src/main/java/com/google/gerrit/k8s/operator/network/istio/dependent/GerritIstioServiceEntries.java
+++ b/operator/src/main/java/com/google/gerrit/k8s/operator/network/istio/dependent/GerritIstioServiceEntries.java
@@ -15,6 +15,7 @@
 package com.google.gerrit.k8s.operator.network.istio.dependent;
 
 import static com.google.gerrit.k8s.operator.gerrit.dependent.GerritStatefulSet.HTTP_PORT;
+import static com.google.gerrit.k8s.operator.gerrit.dependent.GerritStatefulSet.JGROUPS_PORT;
 import static com.google.gerrit.k8s.operator.gerrit.dependent.GerritStatefulSet.SSH_PORT;
 
 import com.google.gerrit.k8s.operator.api.model.cluster.GerritCluster;
@@ -73,6 +74,11 @@
                     .withName("http")
                     .withNumber(HTTP_PORT)
                     .withProtocol("HTTP")
+                    .build(),
+                new PortBuilder()
+                    .withName("jgroups")
+                    .withNumber(JGROUPS_PORT)
+                    .withProtocol("TCP")
                     .build()))
         .endSpec()
         .build();