update to 3.1.0

Signed-off-by: Jonathan Schwarze <[email protected]>

Author: joluc

README.md

@@ -50,6 +50,7 @@ NOTE: OpenSearch plugins much match _exactly_ in major.minor.path version to the
 
 | OpenSearch |      Plugin |  Release date |
 |-----------:|------------:|--------------:|
+|     3.1.0  |    3.1.0.0  |    2025-07-08 |
 |     2.19.2 |    2.19.2.0 |    2025-06-04 |
 |     2.19.0 |    2.19.0.0 |    2025-11-14 |
 |     2.18.0 |    2.18.0.0 |    2025-01-02 |

gradle.properties

@@ -1,16 +1,16 @@
 #group = org.opensearch.plugin.prometheus
 
 # An actual version of plugin
-version = 2.19.2.0
+version = 3.1.0.0
 
 # Leave this property empty, it is assigned during the gradle build execution (yes, it is a hack! see issue #324)
 opensearch_version =
 
 # A version of OpenSearch cluster to run BWC tests against
-BWCversion = 2.19.1
+BWCversion = 3.1.0
 
 # A version of plugin to deploy to BWC clusters
-BWCPluginVersion = 2.19.1.0
+BWCPluginVersion = 3.1.0.0
 
 pluginName = prometheus-exporter
 pluginClassname = org.opensearch.plugin.prometheus.PrometheusExporterPlugin

src/test/java/org/opensearch/plugin/bwc/PluginBackwardsCompatibilityIT.java

@@ -34,8 +34,8 @@
  */
 public class PluginBackwardsCompatibilityIT extends OpenSearchRestTestCase {
 
-    public static final Version BWCVersion = Version.V_2_19_1;
-    public static final Version NewVersion = Version.V_2_19_2;
+    public static final Version BWCVersion = Version.V_2_19_2;
+    public static final Version NewVersion = Version.V_3_1_0;
 
     private static final ClusterType CLUSTER_TYPE = ClusterType.parse(System.getProperty("tests.rest.bwcsuite"));
     private static final String CLUSTER_NAME = System.getProperty("tests.clustername");