/**
* 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.transport.failover;
import javax.jms.Connection;
import javax.jms.JMSException;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import java.util.concurrent.TimeUnit;
import org.apache.activemq.ActiveMQConnection;
import org.apache.activemq.ActiveMQConnectionFactory;
import org.apache.activemq.artemis.core.config.Configuration;
import org.apache.activemq.artemis.jms.server.config.impl.JMSConfigurationImpl;
import org.apache.activemq.artemis.jms.server.embedded.EmbeddedJMS;
import org.apache.activemq.broker.artemiswrapper.OpenwireArtemisBaseTest;
import org.junit.After;
import org.junit.Assert;
import org.junit.Before;
import org.junit.Test;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
public class FailoverPriorityTest extends OpenwireArtemisBaseTest {
protected final Logger LOG = LoggerFactory.getLogger(getClass());
private static final String BROKER_A_CLIENT_TC_ADDRESS = "tcp://127.0.0.1:61616";
private static final String BROKER_B_CLIENT_TC_ADDRESS = "tcp://127.0.0.1:61617";
private static final String BROKER_C_CLIENT_TC_ADDRESS = "tcp://127.0.0.1:61618";
private final HashMap<Integer, String> urls = new HashMap<>();
private final List<ActiveMQConnection> connections = new ArrayList<>();
private final EmbeddedJMS[] servers = new EmbeddedJMS[3];
private String clientUrl;
private final Map<String, String> params = new HashMap<>();
@Before
public void setUp() throws Exception {
urls.put(0, BROKER_A_CLIENT_TC_ADDRESS);
urls.put(1, BROKER_B_CLIENT_TC_ADDRESS);
params.clear();
params.put("rebalanceClusterClients", "true");
params.put("updateClusterClients", "true");
params.put("updateClusterClientsOnRemove", "true");
}
@After
public void tearDown() throws Exception {
shutdownClients();
for (EmbeddedJMS server : servers) {
if (server != null) {
server.stop();
}
}
}
@Test
public void testPriorityBackup() throws Exception {
Configuration config0 = createConfig("127.0.0.1", 0);
Configuration config1 = createConfig("127.0.0.1", 1);
deployClusterConfiguration(config0, 1);
deployClusterConfiguration(config1, 0);
servers[0] = new EmbeddedJMS().setConfiguration(config0).setJmsConfiguration(new JMSConfigurationImpl());
servers[1] = new EmbeddedJMS().setConfiguration(config1).setJmsConfiguration(new JMSConfigurationImpl());
servers[0].start();
servers[1].start();
Assert.assertTrue(servers[0].waitClusterForming(100, TimeUnit.MILLISECONDS, 20, 2));
Assert.assertTrue(servers[1].waitClusterForming(100, TimeUnit.MILLISECONDS, 20, 2));
Thread.sleep(1000);
setClientUrl("failover:(" + BROKER_A_CLIENT_TC_ADDRESS + "," + BROKER_B_CLIENT_TC_ADDRESS + ")?randomize=false&priorityBackup=true&initialReconnectDelay=1000&useExponentialBackOff=false");
createClients(5);
assertAllConnectedTo(urls.get(0));
restart(false, 0, 1);
for (int i = 0; i < 3; i++) {
restart(true, 0, 1);
}
Thread.sleep(5000);
restart(false, 0, 1);
}
@Test
public void testPriorityBackupList() throws Exception {
Configuration config0 = createConfig("127.0.0.1", 0);
Configuration config1 = createConfig("127.0.0.1", 1);
deployClusterConfiguration(config0, 1);
deployClusterConfiguration(config1, 0);
servers[0] = new EmbeddedJMS().setConfiguration(config0).setJmsConfiguration(new JMSConfigurationImpl());
servers[1] = new EmbeddedJMS().setConfiguration(config1).setJmsConfiguration(new JMSConfigurationImpl());
servers[0].start();
servers[1].start();
Assert.assertTrue(servers[0].waitClusterForming(100, TimeUnit.MILLISECONDS, 20, 2));
Assert.assertTrue(servers[1].waitClusterForming(100, TimeUnit.MILLISECONDS, 20, 2));
Thread.sleep(1000);
setClientUrl("failover:(" + BROKER_A_CLIENT_TC_ADDRESS + "," + BROKER_B_CLIENT_TC_ADDRESS + ")?randomize=false&priorityBackup=true&priorityURIs=tcp://127.0.0.1:61617&initialReconnectDelay=1000&useExponentialBackOff=false");
createClients(5);
Thread.sleep(3000);
assertAllConnectedTo(urls.get(1));
restart(false, 1, 0);
for (int i = 0; i < 3; i++) {
restart(true, 1, 0);
}
restart(false, 1, 0);
}
@Test
public void testThreeBrokers() throws Exception {
setupThreeBrokers();
Thread.sleep(1000);
setClientUrl("failover:(" + BROKER_A_CLIENT_TC_ADDRESS + "," + BROKER_B_CLIENT_TC_ADDRESS + "," + BROKER_C_CLIENT_TC_ADDRESS + ")?randomize=false&priorityBackup=true&initialReconnectDelay=1000&useExponentialBackOff=false");
createClients(5);
assertAllConnectedTo(urls.get(0));
restart(true, 0, 1, 3);
}
@Test
public void testPriorityBackupAndUpdateClients() throws Exception {
Configuration config0 = createConfig("127.0.0.1", 0);
Configuration config1 = createConfig("127.0.0.1", 1);
deployClusterConfiguration(config0, 1);
deployClusterConfiguration(config1, 0);
servers[0] = new EmbeddedJMS().setConfiguration(config0).setJmsConfiguration(new JMSConfigurationImpl());
servers[1] = new EmbeddedJMS().setConfiguration(config1).setJmsConfiguration(new JMSConfigurationImpl());
servers[0].start();
servers[1].start();
Assert.assertTrue(servers[0].waitClusterForming(100, TimeUnit.MILLISECONDS, 20, 2));
Assert.assertTrue(servers[1].waitClusterForming(100, TimeUnit.MILLISECONDS, 20, 2));
Thread.sleep(1000);
setClientUrl("failover:(" + BROKER_A_CLIENT_TC_ADDRESS + "," + BROKER_B_CLIENT_TC_ADDRESS + ")?randomize=false&priorityBackup=true&initialReconnectDelay=1000&useExponentialBackOff=false");
createClients(5);
// Let's wait a little bit longer just in case it takes a while to realize that the
// Broker A is the one with higher priority.
Thread.sleep(5000);
assertAllConnectedTo(urls.get(0));
}
private void restart(boolean primary, int primaryID, int secondaryID) throws Exception {
restart(primary, primaryID, secondaryID, 2);
}
private void restart(boolean primary, int primaryID, int secondaryID, int total) throws Exception {
Thread.sleep(1000);
if (primary) {
LOG.info("Stopping " + primaryID);
stopBroker(primaryID);
Assert.assertTrue(servers[secondaryID].waitClusterForming(100, TimeUnit.MILLISECONDS, 20, total - 1));
} else {
LOG.info("Stopping " + secondaryID);
stopBroker(secondaryID);
Assert.assertTrue(servers[primaryID].waitClusterForming(100, TimeUnit.MILLISECONDS, 20, total - 1));
}
Thread.sleep(5000);
if (primary) {
assertAllConnectedTo(urls.get(secondaryID));
} else {
assertAllConnectedTo(urls.get(primaryID));
}
if (primary) {
Configuration config = createConfig("127.0.0.1", primaryID);
deployClusterConfiguration(config, secondaryID);
servers[primaryID] = new EmbeddedJMS().setConfiguration(config).setJmsConfiguration(new JMSConfigurationImpl());
servers[primaryID].start();
Assert.assertTrue(servers[primaryID].waitClusterForming(100, TimeUnit.MILLISECONDS, 20, total));
Assert.assertTrue(servers[secondaryID].waitClusterForming(100, TimeUnit.MILLISECONDS, 20, total));
} else {
Configuration config = createConfig("127.0.0.1", secondaryID);
deployClusterConfiguration(config, primaryID);
servers[secondaryID] = new EmbeddedJMS().setConfiguration(config).setJmsConfiguration(new JMSConfigurationImpl());
servers[secondaryID].start();
Assert.assertTrue(servers[primaryID].waitClusterForming(100, TimeUnit.MILLISECONDS, 20, total));
Assert.assertTrue(servers[secondaryID].waitClusterForming(100, TimeUnit.MILLISECONDS, 20, total));
}
Thread.sleep(5000);
assertAllConnectedTo(urls.get(primaryID));
}
private void stopBroker(int serverID) throws Exception {
servers[serverID].stop();
}
public void setClientUrl(String clientUrl) {
this.clientUrl = clientUrl;
}
protected void createClients(int numOfClients) throws Exception {
ActiveMQConnectionFactory factory = new ActiveMQConnectionFactory(clientUrl);
for (int i = 0; i < numOfClients; i++) {
ActiveMQConnection c = (ActiveMQConnection) factory.createConnection();
c.start();
connections.add(c);
}
}
protected void shutdownClients() throws JMSException {
for (Connection c : connections) {
c.close();
}
}
protected void assertAllConnectedTo(String url) throws Exception {
for (ActiveMQConnection c : connections) {
Assert.assertEquals(url, c.getTransportChannel().getRemoteAddress());
}
}
private void setupThreeBrokers() throws Exception {
params.put("rebalanceClusterClients", "false");
params.put("updateClusterClients", "false");
params.put("updateClusterClientsOnRemove", "false");
Configuration config0 = createConfig("127.0.0.1", 0, params);
Configuration config1 = createConfig("127.0.0.1", 1, params);
Configuration config2 = createConfig("127.0.0.1", 2, params);
deployClusterConfiguration(config0, 1, 2);
deployClusterConfiguration(config1, 0, 2);
deployClusterConfiguration(config2, 0, 1);
servers[0] = new EmbeddedJMS().setConfiguration(config0).setJmsConfiguration(new JMSConfigurationImpl());
servers[1] = new EmbeddedJMS().setConfiguration(config1).setJmsConfiguration(new JMSConfigurationImpl());
servers[2] = new EmbeddedJMS().setConfiguration(config2).setJmsConfiguration(new JMSConfigurationImpl());
servers[0].start();
servers[1].start();
servers[2].start();
Assert.assertTrue(servers[0].waitClusterForming(100, TimeUnit.MILLISECONDS, 20, 3));
Assert.assertTrue(servers[1].waitClusterForming(100, TimeUnit.MILLISECONDS, 20, 3));
Assert.assertTrue(servers[2].waitClusterForming(100, TimeUnit.MILLISECONDS, 20, 3));
}
}