Elasticsearch: Discontinue EOL version 7.4 support

Remove support for elasticsearch V7_4, as it became EOL since April [1].

[1] https://www.elastic.co/support/eol

Change-Id: I9a0d1e7ff6f49aa89479538817dc5836f06066a4

3 files changed, 0 insertions, 6 deletions

diff --git a/java/com/google/gerrit/elasticsearch/ElasticVersion.java b/java/com/google/gerrit/elasticsearch/ElasticVersion.java
index 5e7278074d..6ca51fa1c5 100644
--- a/java/com/google/gerrit/elasticsearch/ElasticVersion.java
+++ b/java/com/google/gerrit/elasticsearch/ElasticVersion.java
@@ -18,7 +18,6 @@ import com.google.common.base.Joiner;
 import java.util.regex.Pattern;
 
 public enum ElasticVersion {
-  V7_4("7.4.*"),
   V7_5("7.5.*"),
   V7_6("7.6.*"),
   V7_7("7.7.*"),
diff --git a/javatests/com/google/gerrit/elasticsearch/ElasticContainer.java b/javatests/com/google/gerrit/elasticsearch/ElasticContainer.java
index 8cd09e66a7..4d7468f7c8 100644
--- a/javatests/com/google/gerrit/elasticsearch/ElasticContainer.java
+++ b/javatests/com/google/gerrit/elasticsearch/ElasticContainer.java
@@ -39,8 +39,6 @@ public class ElasticContainer extends ElasticsearchContainer {
 
   private static String getImageName(ElasticVersion version) {
     switch (version) {
-      case V7_4:
-        return "blacktop/elasticsearch:7.4.2";
       case V7_5:
         return "blacktop/elasticsearch:7.5.2";
       case V7_6:
diff --git a/javatests/com/google/gerrit/elasticsearch/ElasticVersionTest.java b/javatests/com/google/gerrit/elasticsearch/ElasticVersionTest.java
index 508dc84470..75e963641d 100644
--- a/javatests/com/google/gerrit/elasticsearch/ElasticVersionTest.java
+++ b/javatests/com/google/gerrit/elasticsearch/ElasticVersionTest.java
@@ -22,9 +22,6 @@ import org.junit.Test;
 public class ElasticVersionTest {
   @Test
   public void supportedVersion() throws Exception {
-    assertThat(ElasticVersion.forVersion("7.4.0")).isEqualTo(ElasticVersion.V7_4);
-    assertThat(ElasticVersion.forVersion("7.4.1")).isEqualTo(ElasticVersion.V7_4);
-
     assertThat(ElasticVersion.forVersion("7.5.0")).isEqualTo(ElasticVersion.V7_5);
     assertThat(ElasticVersion.forVersion("7.5.1")).isEqualTo(ElasticVersion.V7_5);