Merge branch 'stable-3.1' into stable-3.2

* stable-3.1:
  Fix documentation of `container.slave`
  Update git submodules
  Add support for Elasticsearch version 7.8.*

Change-Id: I2492d62589c7dc959dd5d0c900e3b4abdf92d3ef

java/com/google/gerrit/elasticsearch/ElasticVersion.java

@@ -28,7 +28,8 @@ public enum ElasticVersion {
   V7_4("7.4.*"),
   V7_5("7.5.*"),
   V7_6("7.6.*"),
-  V7_7("7.7.*");
+  V7_7("7.7.*"),
+  V7_8("7.8.*");
 
   private final String version;
   private final Pattern pattern;

javatests/com/google/gerrit/acceptance/pgm/ElasticReindexIT.java

@@ -31,7 +31,7 @@ public class ElasticReindexIT extends AbstractReindexTests {
 
   @ConfigSuite.Config
   public static Config elasticsearchV7() {
-    return getConfig(ElasticVersion.V7_7);
+    return getConfig(ElasticVersion.V7_8);
   }
 
   @Override

javatests/com/google/gerrit/acceptance/ssh/ElasticIndexIT.java

@@ -33,7 +33,7 @@ public class ElasticIndexIT extends AbstractIndexTests {
 
   @ConfigSuite.Config
   public static Config elasticsearchV7() {
-    return getConfig(ElasticVersion.V7_7);
+    return getConfig(ElasticVersion.V7_8);
   }
 
   @Override

javatests/com/google/gerrit/elasticsearch/ElasticContainer.java

@@ -60,6 +60,8 @@ public class ElasticContainer extends ElasticsearchContainer {
         return "blacktop/elasticsearch:7.6.2";
       case V7_7:
         return "blacktop/elasticsearch:7.7.1";
+      case V7_8:
+        return "blacktop/elasticsearch:7.8.0";
     }
     throw new IllegalStateException("No tests for version: " + version.name());
   }

javatests/com/google/gerrit/elasticsearch/ElasticV7QueryAccountsTest.java

@@ -36,7 +36,7 @@ public class ElasticV7QueryAccountsTest extends AbstractQueryAccountsTest {
   public static void startIndexService() {
     if (container == null) {
       // Only start Elasticsearch once
-      container = ElasticContainer.createAndStart(ElasticVersion.V7_7);
+      container = ElasticContainer.createAndStart(ElasticVersion.V7_8);
     }
   }
 

javatests/com/google/gerrit/elasticsearch/ElasticV7QueryChangesTest.java

@@ -46,7 +46,7 @@ public class ElasticV7QueryChangesTest extends AbstractQueryChangesTest {
   public static void startIndexService() {
     if (container == null) {
       // Only start Elasticsearch once
-      container = ElasticContainer.createAndStart(ElasticVersion.V7_7);
+      container = ElasticContainer.createAndStart(ElasticVersion.V7_8);
       client = HttpAsyncClients.createDefault();
       client.start();
     }

javatests/com/google/gerrit/elasticsearch/ElasticV7QueryGroupsTest.java

@@ -36,7 +36,7 @@ public class ElasticV7QueryGroupsTest extends AbstractQueryGroupsTest {
   public static void startIndexService() {
     if (container == null) {
       // Only start Elasticsearch once
-      container = ElasticContainer.createAndStart(ElasticVersion.V7_7);
+      container = ElasticContainer.createAndStart(ElasticVersion.V7_8);
     }
   }
 

javatests/com/google/gerrit/elasticsearch/ElasticV7QueryProjectsTest.java

@@ -36,7 +36,7 @@ public class ElasticV7QueryProjectsTest extends AbstractQueryProjectsTest {
   public static void startIndexService() {
     if (container == null) {
       // Only start Elasticsearch once
-      container = ElasticContainer.createAndStart(ElasticVersion.V7_7);
+      container = ElasticContainer.createAndStart(ElasticVersion.V7_8);
     }
   }
 

javatests/com/google/gerrit/elasticsearch/ElasticVersionTest.java

@@ -54,6 +54,9 @@ public class ElasticVersionTest {
 
     assertThat(ElasticVersion.forVersion("7.7.0")).isEqualTo(ElasticVersion.V7_7);
     assertThat(ElasticVersion.forVersion("7.7.1")).isEqualTo(ElasticVersion.V7_7);
+
+    assertThat(ElasticVersion.forVersion("7.8.0")).isEqualTo(ElasticVersion.V7_8);
+    assertThat(ElasticVersion.forVersion("7.8.1")).isEqualTo(ElasticVersion.V7_8);
   }
 
   @Test
@@ -81,6 +84,7 @@ public class ElasticVersionTest {
     assertThat(ElasticVersion.V7_5.isAtLeastMinorVersion(ElasticVersion.V6_7)).isFalse();
     assertThat(ElasticVersion.V7_6.isAtLeastMinorVersion(ElasticVersion.V6_7)).isFalse();
     assertThat(ElasticVersion.V7_7.isAtLeastMinorVersion(ElasticVersion.V6_7)).isFalse();
+    assertThat(ElasticVersion.V7_8.isAtLeastMinorVersion(ElasticVersion.V6_7)).isFalse();
   }
 
   @Test
@@ -96,6 +100,7 @@ public class ElasticVersionTest {
     assertThat(ElasticVersion.V7_5.isV6OrLater()).isTrue();
     assertThat(ElasticVersion.V7_6.isV6OrLater()).isTrue();
     assertThat(ElasticVersion.V7_7.isV6OrLater()).isTrue();
+    assertThat(ElasticVersion.V7_8.isV6OrLater()).isTrue();
   }
 
   @Test
@@ -111,5 +116,6 @@ public class ElasticVersionTest {
     assertThat(ElasticVersion.V7_5.isV7OrLater()).isTrue();
     assertThat(ElasticVersion.V7_6.isV7OrLater()).isTrue();
     assertThat(ElasticVersion.V7_7.isV7OrLater()).isTrue();
+    assertThat(ElasticVersion.V7_8.isV7OrLater()).isTrue();
   }
 }

tools/nongoogle.bzl

@@ -96,8 +96,8 @@ def declare_nongoogle_deps():
     # and httpasyncclient as necessary.
     maven_jar(
         name = "elasticsearch-rest-client",
-        artifact = "org.elasticsearch.client:elasticsearch-rest-client:7.7.1",
+        artifact = "org.elasticsearch.client:elasticsearch-rest-client:7.8.0",
-        sha1 = "6d44a8e35c11df6883747200bcf46f476a1782b8",
+        sha1 = "ab28f6110bdc7d2ec886e1d6ff29a6c8ee30b883",
     )
 
     maven_jar(