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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;
import java.io.File;
import java.io.IOException;
import java.util.Map;
import java.util.concurrent.TimeUnit;
import javax.jms.Connection;
import javax.jms.Destination;
import javax.jms.JMSException;
import javax.jms.Message;
import javax.jms.MessageConsumer;
import javax.jms.Session;
import org.apache.log4j.Logger;
import org.apache.qpid.server.model.VirtualHostNode;
import org.apache.qpid.server.virtualhostnode.berkeleydb.BDBVirtualHostNode;
import org.apache.qpid.test.utils.Piper;
import org.apache.qpid.test.utils.QpidBrokerTestCase;
import org.apache.qpid.util.FileUtils;
import org.apache.qpid.util.Strings;
import org.apache.qpid.util.SystemUtils;
/**
* Tests the BDB backup script can successfully perform a backup and that
* backup can be restored and used by the Broker.
*/
public class BDBBackupTest extends QpidBrokerTestCase
{
protected static final Logger LOGGER = Logger.getLogger(BDBBackupTest.class);
private static final String BACKUP_SCRIPT = "/bin/backup.sh";
private static final String BACKUP_COMPLETE_MESSAGE = "Hot Backup Completed";
private static final String TEST_VHOST = "test";
private static final String SYSTEM_TMP_DIR = System.getProperty("java.io.tmpdir");
private File _backupToDir;
private File _backupFromDir;
@Override
protected void setUp() throws Exception
{
super.setUp();
_backupToDir = new File(SYSTEM_TMP_DIR + File.separator + getTestName());
_backupToDir.mkdirs();
Map<String, Object> virtualHostNodeAttributes = getBrokerConfiguration().getObjectAttributes(VirtualHostNode.class, TEST_VHOST);
_backupFromDir = new File(Strings.expand((String) virtualHostNodeAttributes.get(BDBVirtualHostNode.STORE_PATH)));
boolean fromDirExistsAndIsDir = _backupFromDir.isDirectory();
assertTrue("backupFromDir " + _backupFromDir + " should already exist", fromDirExistsAndIsDir);
}
@Override
protected void tearDown() throws Exception
{
try
{
super.tearDown();
}
finally
{
FileUtils.delete(_backupToDir, true);
}
}
public void testBackupAndRestoreMaintainsMessages() throws Exception
{
sendNumberedMessages(0, 10);
invokeBdbBackup(_backupFromDir, _backupToDir);
sendNumberedMessages(10, 20);
confirmBrokerHasMessages(0, 20);
stopBroker();
deleteStore(_backupFromDir);
replaceStoreWithBackup(_backupToDir, _backupFromDir);
startBroker();
confirmBrokerHasMessages(0, 10);
}
private void sendNumberedMessages(final int startIndex, final int endIndex) throws JMSException, Exception
{
Connection con = getConnection();
Session session = con.createSession(false, Session.AUTO_ACKNOWLEDGE);
Destination destination = session.createQueue(getTestQueueName());
// Create queue by consumer side-effect
session.createConsumer(destination).close();
final int numOfMessages = endIndex - startIndex;
final int batchSize = 0;
sendMessage(session, destination, numOfMessages, startIndex, batchSize);
con.close();
}
private void confirmBrokerHasMessages(final int startIndex, final int endIndex) throws Exception
{
Connection con = getConnection();
Session session = con.createSession(false, Session.AUTO_ACKNOWLEDGE);
con.start();
Destination destination = session.createQueue(getTestQueueName());
MessageConsumer consumer = session.createConsumer(destination);
for (int i = startIndex; i < endIndex; i++)
{
Message msg = consumer.receive(RECEIVE_TIMEOUT);
assertNotNull("Message " + i + " not received", msg);
assertEquals("Did not receive the expected message", i, msg.getIntProperty(INDEX));
}
Message msg = consumer.receive(100);
if(msg != null)
{
fail("No more messages should be received, but received additional message with index: " + msg.getIntProperty(INDEX));
}
con.close();
}
private void invokeBdbBackup(final File backupFromDir, final File backupToDir) throws Exception
{
if (SystemUtils.isWindows())
{
BDBBackup.main(new String[]{"-todir", backupToDir.getAbsolutePath(), "-fromdir", backupFromDir.getAbsolutePath()});
}
else
{
runBdbBackupScript(backupFromDir, backupToDir);
}
}
private void runBdbBackupScript(final File backupFromDir, final File backupToDir) throws IOException,
InterruptedException
{
Process backupProcess = null;
try
{
String qpidHome = System.getProperty(QPID_HOME);
ProcessBuilder pb = new ProcessBuilder(qpidHome + BACKUP_SCRIPT, "-todir", backupToDir.getAbsolutePath(), "-fromdir", backupFromDir.getAbsolutePath());
pb.redirectErrorStream(true);
Map<String, String> env = pb.environment();
env.put(QPID_HOME, qpidHome);
LOGGER.debug("Backup command is " + pb.command());
backupProcess = pb.start();
Piper piper = new Piper(backupProcess.getInputStream(), _testcaseOutputStream, null, BACKUP_COMPLETE_MESSAGE);
piper.start();
piper.await(2, TimeUnit.SECONDS);
backupProcess.waitFor();
piper.join();
LOGGER.debug("Backup command completed " + backupProcess.exitValue());
assertEquals("Unexpected exit value from backup script", 0, backupProcess.exitValue());
}
finally
{
if (backupProcess != null)
{
backupProcess.getErrorStream().close();
backupProcess.getInputStream().close();
backupProcess.getOutputStream().close();
}
}
}
private void replaceStoreWithBackup(File source, File dst) throws Exception
{
LOGGER.debug("Copying store " + source + " to " + dst);
FileUtils.copyRecursive(source, dst);
}
private void deleteStore(File storeDir)
{
LOGGER.debug("Deleting store " + storeDir);
FileUtils.delete(storeDir, true);
}
}
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