Add support for elasticsearch 8

zipkin-storage/elasticsearch/src/main/java/zipkin2/elasticsearch/ElasticsearchVersion.java

@@ -33,6 +33,7 @@ public final class ElasticsearchVersion implements Comparable<ElasticsearchVersi
   public static final ElasticsearchVersion V7_0 = new ElasticsearchVersion(7, 0);
   public static final ElasticsearchVersion V7_8 = new ElasticsearchVersion(7, 8);
   public static final ElasticsearchVersion V8_0 = new ElasticsearchVersion(8, 0);
+  public static final ElasticsearchVersion V9_0 = new ElasticsearchVersion(9, 0);
 
   static ElasticsearchVersion get(HttpCall.Factory http) throws IOException {
     return Parser.INSTANCE.get(http);

zipkin-storage/elasticsearch/src/main/java/zipkin2/elasticsearch/VersionSpecificTemplates.java

@@ -18,6 +18,7 @@
 import static zipkin2.elasticsearch.ElasticsearchVersion.V7_0;
 import static zipkin2.elasticsearch.ElasticsearchVersion.V7_8;
 import static zipkin2.elasticsearch.ElasticsearchVersion.V8_0;
+import static zipkin2.elasticsearch.ElasticsearchVersion.V9_0;
 
 /** Returns version-specific index templates */
 // TODO: make a main class that spits out the index template using ENV variables for the server,
@@ -223,7 +224,7 @@ String autocompleteTemplate(ElasticsearchVersion version) {
   }
 
   IndexTemplates get(ElasticsearchVersion version) {
-    if (version.compareTo(V5_0) < 0 || version.compareTo(V8_0) >= 0) {
+    if (version.compareTo(V5_0) < 0 || version.compareTo(V9_0) >= 0) {
       throw new IllegalArgumentException(
         "Elasticsearch versions 5-7.x are supported, was: " + version);
     }

zipkin-storage/elasticsearch/src/test/java/zipkin2/elasticsearch/integration/ITElasticsearchStorageV8.java

@@ -0,0 +1,39 @@
+/*
+ * Copyright 2015-2020 The OpenZipkin Authors
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except
+ * in compliance with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License
+ * is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express
+ * or implied. See the License for the specific language governing permissions and limitations under
+ * the License.
+ */
+package zipkin2.elasticsearch.integration;
+
+import org.junit.jupiter.api.Nested;
+import org.junit.jupiter.api.TestInfo;
+import org.junit.jupiter.api.TestInstance;
+import org.junit.jupiter.api.extension.RegisterExtension;
+import zipkin2.elasticsearch.ElasticsearchStorage;
+
+import static zipkin2.elasticsearch.integration.ElasticsearchExtension.index;
+
+@TestInstance(TestInstance.Lifecycle.PER_CLASS)
+class ITElasticsearchStorageV8 extends ITElasticsearchStorage {
+
+  @RegisterExtension ElasticsearchExtension elasticsearch = new ElasticsearchExtension(8);
+
+  @Override ElasticsearchExtension elasticsearch() {
+    return elasticsearch;
+  }
+
+  @Nested
+  class ITEnsureIndexTemplate extends zipkin2.elasticsearch.integration.ITEnsureIndexTemplate {
+    @Override protected ElasticsearchStorage.Builder newStorageBuilder(TestInfo testInfo) {
+      return elasticsearch().computeStorageBuilder().index(index(testInfo));
+    }
+  }
+}