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* 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.activemq.artemis.tests.extras.byteman;
import org.apache.activemq.artemis.api.core.TransportConfiguration;
import org.apache.activemq.artemis.api.core.client.ClientMessage;
import org.apache.activemq.artemis.core.config.ScaleDownConfiguration;
import org.apache.activemq.artemis.core.config.ha.LiveOnlyPolicyConfiguration;
import org.apache.activemq.artemis.core.remoting.impl.netty.TransportConstants;
import org.apache.activemq.artemis.core.server.ActiveMQServer;
import org.apache.activemq.artemis.core.server.cluster.impl.MessageLoadBalancingType;
import org.apache.activemq.artemis.tests.integration.cluster.distribution.ClusterTestBase;
import org.jboss.byteman.contrib.bmunit.BMRule;
import org.jboss.byteman.contrib.bmunit.BMUnitRunner;
import org.junit.Assert;
import org.junit.Before;
import org.junit.Test;
import org.junit.runner.RunWith;
@RunWith(BMUnitRunner.class)
public class ScaleDownFailoverTest extends ClusterTestBase {
protected static int stopCount = 0;
private static ActiveMQServer[] staticServers;
@Override
@Before
public void setUp() throws Exception {
super.setUp();
stopCount = 0;
setupLiveServer(0, isFileStorage(), false, isNetty(), true);
setupLiveServer(1, isFileStorage(), false, isNetty(), true);
setupLiveServer(2, isFileStorage(), false, isNetty(), true);
ScaleDownConfiguration scaleDownConfiguration = new ScaleDownConfiguration();
ScaleDownConfiguration scaleDownConfiguration2 = new ScaleDownConfiguration();
scaleDownConfiguration2.setEnabled(false);
ScaleDownConfiguration scaleDownConfiguration3 = new ScaleDownConfiguration();
scaleDownConfiguration3.setEnabled(false);
((LiveOnlyPolicyConfiguration) servers[0].getConfiguration().getHAPolicyConfiguration()).setScaleDownConfiguration(scaleDownConfiguration);
((LiveOnlyPolicyConfiguration) servers[1].getConfiguration().getHAPolicyConfiguration()).setScaleDownConfiguration(scaleDownConfiguration2);
((LiveOnlyPolicyConfiguration) servers[2].getConfiguration().getHAPolicyConfiguration()).setScaleDownConfiguration(scaleDownConfiguration3);
if (isGrouped()) {
scaleDownConfiguration.setGroupName("bill");
scaleDownConfiguration2.setGroupName("bill");
scaleDownConfiguration3.setGroupName("bill");
}
staticServers = servers;
setupClusterConnection("cluster0", "queues", MessageLoadBalancingType.ON_DEMAND, 1, isNetty(), 0, 1, 2);
setupClusterConnection("cluster1", "queues", MessageLoadBalancingType.ON_DEMAND, 1, isNetty(), 1, 0, 2);
setupClusterConnection("cluster2", "queues", MessageLoadBalancingType.ON_DEMAND, 1, isNetty(), 2, 0, 1);
scaleDownConfiguration.getConnectors().addAll(servers[0].getConfiguration().getClusterConfigurations().iterator().next().getStaticConnectors());
scaleDownConfiguration2.getConnectors().addAll(servers[1].getConfiguration().getClusterConfigurations().iterator().next().getStaticConnectors());
scaleDownConfiguration3.getConnectors().addAll(servers[2].getConfiguration().getClusterConfigurations().iterator().next().getStaticConnectors());
startServers(0, 1, 2);
setupSessionFactory(0, isNetty());
setupSessionFactory(1, isNetty());
setupSessionFactory(2, isNetty());
}
protected boolean isNetty() {
return true;
}
protected boolean isGrouped() {
return false;
}
@Test
@BMRule(
name = "blow-up",
targetClass = "org.apache.activemq.artemis.api.core.client.ServerLocator",
targetMethod = "createSessionFactory(org.apache.activemq.artemis.api.core.TransportConfiguration, int, boolean)",
isInterface = true,
targetLocation = "ENTRY",
action = "org.apache.activemq.artemis.tests.extras.byteman.ScaleDownFailoverTest.fail($1);")
public void testScaleDownWhenFirstServerFails() throws Exception {
final int TEST_SIZE = 2;
final String addressName = "testAddress";
final String queueName1 = "testQueue1";
final String queueName2 = "testQueue2";
// create 2 queues on each node mapped to the same address
createQueue(0, addressName, queueName1, null, false);
createQueue(0, addressName, queueName2, null, false);
createQueue(1, addressName, queueName1, null, false);
createQueue(1, addressName, queueName2, null, false);
createQueue(2, addressName, queueName1, null, false);
createQueue(2, addressName, queueName2, null, false);
// send messages to node 0
send(0, addressName, TEST_SIZE, false, null);
// consume a message from node 0
addConsumer(0, 0, queueName2, null);
ClientMessage clientMessage = consumers[0].getConsumer().receive(250);
Assert.assertNotNull(clientMessage);
clientMessage.acknowledge();
removeConsumer(0);
servers[0].stop();
// verify that at least one server stopped
Assert.assertTrue(!servers[1].isStarted() || !servers[2].isStarted());
int remainingServer;
if (servers[1].isStarted())
remainingServer = 1;
else
remainingServer = 2;
// get the 2 messages from queue 1
addConsumer(0, remainingServer, queueName1, null);
clientMessage = consumers[0].getConsumer().receive(250);
Assert.assertNotNull(clientMessage);
clientMessage.acknowledge();
clientMessage = consumers[0].getConsumer().receive(250);
Assert.assertNotNull(clientMessage);
clientMessage.acknowledge();
// ensure there are no more messages on queue 1
clientMessage = consumers[0].getConsumer().receive(250);
Assert.assertNull(clientMessage);
removeConsumer(0);
// get the 1 message from queue 2
addConsumer(0, remainingServer, queueName2, null);
clientMessage = consumers[0].getConsumer().receive(250);
Assert.assertNotNull(clientMessage);
clientMessage.acknowledge();
// ensure there are no more messages on queue 1
clientMessage = consumers[0].getConsumer().receive(250);
Assert.assertNull(clientMessage);
removeConsumer(0);
}
public static void fail(TransportConfiguration tc) {
// only kill one server
if (stopCount == 0) {
try {
for (ActiveMQServer activeMQServer : staticServers) {
if (activeMQServer != null) {
for (TransportConfiguration transportConfiguration : activeMQServer.getConfiguration().getAcceptorConfigurations()) {
if (transportConfiguration.getParams().get(TransportConstants.PORT_PROP_NAME).equals(tc.getParams().get(TransportConstants.PORT_PROP_NAME))) {
activeMQServer.stop();
stopCount++;
System.out.println("Stopping server listening at: " + tc.getParams().get(TransportConstants.PORT_PROP_NAME));
}
}
}
}
} catch (Exception e) {
e.printStackTrace();
}
}
}
}