Merge branch 'stable-3.1' into stable-3.2

* stable-3.1:
  Fix merge issue for ForwardedIndexGroupHandlerTest class
  Add 'Forwarded-BatchIndex-Event' to events skipped from high-availability
  Do not forward events from high-availability
  Honour index retries when indexing groups

Change-Id: I281c704d12935d6e1c620bc20f49c2f5ce0331ea
diff --git a/src/main/java/com/googlesource/gerrit/plugins/multisite/forwarder/broker/BrokerForwarder.java b/src/main/java/com/googlesource/gerrit/plugins/multisite/forwarder/broker/BrokerForwarder.java
index da19fed..3522731 100644
--- a/src/main/java/com/googlesource/gerrit/plugins/multisite/forwarder/broker/BrokerForwarder.java
+++ b/src/main/java/com/googlesource/gerrit/plugins/multisite/forwarder/broker/BrokerForwarder.java
@@ -23,6 +23,8 @@
 public abstract class BrokerForwarder {
   private static final CharSequence HIGH_AVAILABILITY_PLUGIN = "/plugins/high-availability/";
   private static final CharSequence HIGH_AVAILABILITY_FORWARDER = "Forwarded-Index-Event";
+  private static final CharSequence HIGH_AVAILABILITY_BATCH_FORWARDER =
+      "Forwarded-BatchIndex-Event";
 
   private final BrokerApiWrapper broker;
   private final Configuration cfg;
@@ -36,7 +38,8 @@
     String currentThreadName = task.getCallerThread().getName();
 
     return currentThreadName.contains(HIGH_AVAILABILITY_PLUGIN)
-        || currentThreadName.contains(HIGH_AVAILABILITY_FORWARDER);
+        || currentThreadName.contains(HIGH_AVAILABILITY_FORWARDER)
+        || currentThreadName.contains(HIGH_AVAILABILITY_BATCH_FORWARDER);
   }
 
   protected boolean send(ForwarderTask task, EventTopic eventTopic, MultiSiteEvent event) {
diff --git a/src/test/java/com/googlesource/gerrit/plugins/multisite/forwarder/BrokerForwarderTest.java b/src/test/java/com/googlesource/gerrit/plugins/multisite/forwarder/BrokerForwarderTest.java
index 5e2fc05..e3d1ae0 100644
--- a/src/test/java/com/googlesource/gerrit/plugins/multisite/forwarder/BrokerForwarderTest.java
+++ b/src/test/java/com/googlesource/gerrit/plugins/multisite/forwarder/BrokerForwarderTest.java
@@ -40,6 +40,7 @@
 public class BrokerForwarderTest {
   private static final String HIGH_AVAILABILITY_PLUGIN = "/plugins/high-availability/";
   private static final String HIGH_AVAILABILITY_FORWARDED = "Forwarded-Index-Event";
+  private static final String HIGH_AVAILABILITY_BATCH_FORWARDED = "Forwarded-BatchIndex-Event";
   private static final long TEST_TIMEOUT_SEC = 5L;
 
   @Mock private BrokerApiWrapper brokerMock;
@@ -108,6 +109,13 @@
     verifyZeroInteractions(brokerMock);
   }
 
+  @Test
+  public void shouldSkipEventFromHighAvailabilityPluginBatchForwardedThread() {
+    brokerForwarder.send(newForwarderTask(HIGH_AVAILABILITY_BATCH_FORWARDED), testTopic, testEvent);
+
+    verifyZeroInteractions(brokerMock);
+  }
+
   private ForwarderTask newForwarderTask(String threadName) {
     try {
       return executor