diff --git a/qa/rolling-upgrade/src/test/java/org/opensearch/upgrades/ClusterStateIT.java b/qa/rolling-upgrade/src/test/java/org/opensearch/upgrades/ClusterStateIT.java new file mode 100644 index 0000000000000..2d606d27a34e0 --- /dev/null +++ b/qa/rolling-upgrade/src/test/java/org/opensearch/upgrades/ClusterStateIT.java @@ -0,0 +1,37 @@ +/* + * SPDX-License-Identifier: Apache-2.0 + * + * The OpenSearch Contributors require contributions made to + * this file be licensed under the Apache-2.0 license or a + * compatible open source license. + */ + +package org.opensearch.upgrades; + +import org.opensearch.client.Request; +import org.opensearch.client.Response; + +import java.util.Map; + +public class ClusterStateIT extends AbstractRollingTestCase{ + public void testTemplateMetadataUpgrades() throws Exception { + if (CLUSTER_TYPE == ClusterType.OLD) { + String templateName = "my_template"; + Request putIndexTemplate = new Request("PUT", "_template/" + templateName); + putIndexTemplate.setJsonEntity("{\"index_patterns\": [\"pattern-1\", \"log-*\"]}"); + client().performRequest(putIndexTemplate); + verifyTemplateMetadataInClusterState(); + } else { + verifyTemplateMetadataInClusterState(); + } + } + + @SuppressWarnings("unchecked") + private static void verifyTemplateMetadataInClusterState() throws Exception { + Request request = new Request("GET", "_cluster/state/metadata"); + Response response = client().performRequest(request); + assertOK(response); + Map metadata = (Map) entityAsMap(response).get("metadata"); + assertNotNull(metadata.get("templates")); + } +}