[improve][test] Implement broker integration test with entry metadata…

… interceptors enabled (#20398)

tests/integration/src/test/java/org/apache/pulsar/tests/integration/bookkeeper/BrokerInstallWithEntryMetadataInterceptorsTest.java

@@ -0,0 +1,86 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you 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 org.apache.pulsar.tests.integration.bookkeeper;
+
+import lombok.extern.slf4j.Slf4j;
+import org.apache.pulsar.tests.integration.docker.ContainerExecResult;
+import org.apache.pulsar.tests.integration.topologies.PulsarCluster;
+import org.apache.pulsar.tests.integration.topologies.PulsarClusterSpec;
+import org.apache.pulsar.tests.integration.topologies.PulsarClusterTestBase;
+import org.testng.annotations.AfterClass;
+import org.testng.annotations.BeforeClass;
+import org.testng.annotations.Test;
+
+import java.util.stream.Stream;
+
+import static java.util.stream.Collectors.joining;
+import static org.testng.AssertJUnit.assertEquals;
+
+/***
+ * Test that verifies that regression in BookKeeper 4.16.0 is fixed.
+ *
+ * Anti-regression test for issue https://github.com/apache/pulsar/issues/20091.
+ */
+@Slf4j
+public class BrokerInstallWithEntryMetadataInterceptorsTest extends PulsarClusterTestBase {
+    private static final String PREFIX = "PULSAR_PREFIX_";
+
+    @BeforeClass(alwaysRun = true)
+    @Override
+    public final void setupCluster() throws Exception {
+        incrementSetupNumber();
+
+        final String clusterName = Stream.of(this.getClass().getSimpleName(), randomName(5))
+                .filter(s -> !s.isEmpty())
+                .collect(joining("-"));
+        brokerEnvs.put(PREFIX + "exposingBrokerEntryMetadataToClientEnabled", "true");
+        brokerEnvs.put(PREFIX + "brokerEntryMetadataInterceptors", "org.apache.pulsar.common.intercept.AppendBrokerTimestampMetadataInterceptor");
+        PulsarClusterSpec spec = PulsarClusterSpec.builder()
+                .numBookies(2)
+                .numBrokers(1)
+                .brokerEnvs(brokerEnvs)
+                .clusterName(clusterName)
+                .build();
+
+        log.info("Setting up cluster {} with {} bookies, {} brokers",
+                spec.clusterName(), spec.numBookies(), spec.numBrokers());
+
+        pulsarCluster = PulsarCluster.forSpec(spec);
+        pulsarCluster.start();
+
+        log.info("Cluster {} is setup", spec.clusterName());
+    }
+
+    @AfterClass(alwaysRun = true)
+    @Override
+    public final void tearDownCluster() throws Exception {
+        super.tearDownCluster();
+    }
+
+    @Test
+    public void testBrokerHttpServerIsRunning() throws Exception {
+        ContainerExecResult result = pulsarCluster.getAnyBroker().execCmd(
+                PulsarCluster.CURL,
+                "-X",
+                "GET",
+                "http://localhost:8080/admin/v2/brokers/health");
+        assertEquals(result.getExitCode(), 0);
+        assertEquals("ok", result.getStdout());
+    }
+}