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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.qpid.server.store.berkeleydb.replication;
import java.io.File;
import java.util.Collections;
import java.util.Map;
import javax.jms.Connection;
import javax.jms.JMSException;
import org.apache.qpid.jms.ConnectionURL;
import org.apache.qpid.server.virtualhostnode.berkeleydb.BDBHAVirtualHostNode;
import org.apache.qpid.test.utils.QpidBrokerTestCase;
public class TwoNodeTest extends QpidBrokerTestCase
{
private static final String VIRTUAL_HOST = "test";
private static final int NUMBER_OF_NODES = 2;
private final GroupCreator _groupCreator = new GroupCreator(this, VIRTUAL_HOST, NUMBER_OF_NODES);
/** Used when expectation is client will not (re)-connect */
private ConnectionURL _positiveFailoverUrl;
/** Used when expectation is client will not (re)-connect */
private ConnectionURL _negativeFailoverUrl;
@Override
protected void setUp() throws Exception
{
_brokerType = BrokerType.SPAWNED;
setTestClientSystemProperty("log4j.configuration", getBrokerCommandLog4JFile().toURI().toString());
assertTrue(isJavaBroker());
assertTrue(isBrokerStorePersistent());
super.setUp();
}
@Override
public void startBroker() throws Exception
{
// Don't start default broker provided by QBTC.
}
private void startCluster(boolean designedPrimary) throws Exception
{
setSystemProperty("java.util.logging.config.file", "etc" + File.separator + "log.properties");
_groupCreator.configureClusterNodes();
_groupCreator.setDesignatedPrimaryOnFirstBroker(designedPrimary);
_positiveFailoverUrl = _groupCreator.getConnectionUrlForAllClusterNodes();
_negativeFailoverUrl = _groupCreator.getConnectionUrlForAllClusterNodes(200, 0, 2);
_groupCreator.startCluster();
}
public void testMasterDesignatedPrimaryCanBeRestartedWithoutReplica() throws Exception
{
startCluster(true);
final Connection initialConnection = getConnection(_positiveFailoverUrl);
int masterPort = _groupCreator.getBrokerPortNumberFromConnection(initialConnection);
assertProducingConsuming(initialConnection);
initialConnection.close();
_groupCreator.stopCluster();
_groupCreator.startNode(masterPort);
final Connection secondConnection = getConnection(_positiveFailoverUrl);
assertProducingConsuming(secondConnection);
secondConnection.close();
}
public void testClusterRestartWithoutDesignatedPrimary() throws Exception
{
startCluster(false);
final Connection initialConnection = getConnection(_positiveFailoverUrl);
assertProducingConsuming(initialConnection);
initialConnection.close();
_groupCreator.stopCluster();
_groupCreator.startClusterParallel();
final Connection secondConnection = getConnection(_positiveFailoverUrl);
assertProducingConsuming(secondConnection);
secondConnection.close();
}
public void testDesignatedPrimaryContinuesAfterSecondaryStopped() throws Exception
{
startCluster(true);
_groupCreator.stopNode(_groupCreator.getBrokerPortNumberOfSecondaryNode());
final Connection connection = getConnection(_positiveFailoverUrl);
assertNotNull("Expected to get a valid connection to primary", connection);
assertProducingConsuming(connection);
}
public void testPersistentOperationsFailOnNonDesignatedPrimaryAfterSecondaryStopped() throws Exception
{
startCluster(false);
_groupCreator.stopNode(_groupCreator.getBrokerPortNumberOfSecondaryNode());
try
{
Connection connection = getConnection(_negativeFailoverUrl);
assertProducingConsuming(connection);
fail("Exception not thrown");
}
catch(JMSException e)
{
// JMSException should be thrown either on getConnection, or produce/consume
// depending on whether the relative timing of the node discovering that the
// secondary has gone.
}
}
public void testSecondaryDoesNotBecomePrimaryWhenDesignatedPrimaryStopped() throws Exception
{
startCluster(true);
_groupCreator.stopNode(_groupCreator.getBrokerPortNumberOfPrimary());
try
{
getConnection(_negativeFailoverUrl);
fail("Connection not expected");
}
catch (JMSException e)
{
// PASS
}
}
public void testInitialDesignatedPrimaryStateOfNodes() throws Exception
{
startCluster(true);
Map<String, Object> primaryNodeAttributes = _groupCreator.getNodeAttributes(_groupCreator.getBrokerPortNumberOfPrimary());
assertTrue("Expected primary node to be set as designated primary",
(Boolean) primaryNodeAttributes.get(BDBHAVirtualHostNode.DESIGNATED_PRIMARY));
Map<String, Object> secondaryNodeAttributes = _groupCreator.getNodeAttributes(_groupCreator.getBrokerPortNumberOfSecondaryNode());
assertFalse("Expected secondary node to NOT be set as designated primary",
(Boolean) secondaryNodeAttributes.get(BDBHAVirtualHostNode.DESIGNATED_PRIMARY));
}
public void testSecondaryDesignatedAsPrimaryAfterOriginalPrimaryStopped() throws Exception
{
startCluster(true);
_groupCreator.stopNode(_groupCreator.getBrokerPortNumberOfPrimary());
Map<String, Object> secondaryNodeAttributes = _groupCreator.getNodeAttributes(_groupCreator.getBrokerPortNumberOfSecondaryNode());
assertFalse("Expected node to NOT be set as designated primary", (Boolean) secondaryNodeAttributes.get(BDBHAVirtualHostNode.DESIGNATED_PRIMARY));
_groupCreator.setNodeAttributes(_groupCreator.getBrokerPortNumberOfSecondaryNode(), Collections.<String, Object>singletonMap(BDBHAVirtualHostNode.DESIGNATED_PRIMARY, true));
int timeout = 5000;
long limit = System.currentTimeMillis() + timeout;
while( !((Boolean)secondaryNodeAttributes.get(BDBHAVirtualHostNode.DESIGNATED_PRIMARY)) && System.currentTimeMillis() < limit)
{
Thread.sleep(100);
secondaryNodeAttributes = _groupCreator.getNodeAttributes(_groupCreator.getBrokerPortNumberOfSecondaryNode());
}
assertTrue("Expected secondary to transition to primary within " + timeout, (Boolean) secondaryNodeAttributes.get(BDBHAVirtualHostNode.DESIGNATED_PRIMARY));
final Connection connection = getConnection(_positiveFailoverUrl);
assertNotNull("Expected to get a valid connection to new primary", connection);
assertProducingConsuming(connection);
}
}
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