/*
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* CDDL HEADER START
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*
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* The contents of this file are subject to the terms of the
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* Common Development and Distribution License, Version 1.0 only
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* (the "License"). You may not use this file except in compliance
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* with the License.
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*
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* You can obtain a copy of the license at legal-notices/CDDLv1_0.txt
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* or http://forgerock.org/license/CDDLv1.0.html.
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* See the License for the specific language governing permissions
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* and limitations under the License.
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*
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* When distributing Covered Code, include this CDDL HEADER in each
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* file and include the License file at legal-notices/CDDLv1_0.txt.
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* If applicable, add the following below this CDDL HEADER, with the
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* fields enclosed by brackets "[]" replaced with your own identifying
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* information:
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* Portions Copyright [yyyy] [name of copyright owner]
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*
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* CDDL HEADER END
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*
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*
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* Copyright 2006-2010 Sun Microsystems, Inc.
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* Portions Copyright 2011-2015 ForgeRock AS
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*/
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package org.opends.server.replication;
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import static org.opends.server.TestCaseUtils.*;
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import static org.opends.server.util.StaticUtils.*;
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import static org.testng.Assert.*;
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import java.io.File;
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import java.net.SocketTimeoutException;
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import java.util.ArrayList;
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import java.util.List;
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import java.util.SortedSet;
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import java.util.TreeSet;
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import java.util.UUID;
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import org.assertj.core.api.Assertions;
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import org.forgerock.i18n.LocalizableMessage;
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import org.forgerock.i18n.slf4j.LocalizedLogger;
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import org.forgerock.opendj.ldap.ResultCode;
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import org.opends.server.TestCaseUtils;
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import org.opends.server.backends.MemoryBackend;
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import org.opends.server.core.DirectoryServer;
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import org.opends.server.replication.common.CSNGenerator;
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import org.opends.server.replication.common.ServerStatus;
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import org.opends.server.replication.plugin.LDAPReplicationDomain;
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import org.opends.server.replication.plugin.MultimasterReplication;
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import org.opends.server.replication.protocol.AddMsg;
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import org.opends.server.replication.protocol.ChangeStatusMsg;
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import org.opends.server.replication.protocol.DoneMsg;
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import org.opends.server.replication.protocol.EntryMsg;
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import org.opends.server.replication.protocol.ErrorMsg;
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import org.opends.server.replication.protocol.InitializeTargetMsg;
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import org.opends.server.replication.protocol.ReplicationMsg;
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import org.opends.server.replication.server.ReplServerFakeConfiguration;
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import org.opends.server.replication.server.ReplicationServer;
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import org.opends.server.replication.server.ReplicationServerDomain;
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import org.opends.server.replication.service.ReplicationBroker;
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import org.opends.server.tasks.LdifFileWriter;
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import org.opends.server.types.Attribute;
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import org.opends.server.types.AttributeType;
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import org.opends.server.types.DN;
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import org.opends.server.types.DirectoryException;
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import org.opends.server.types.Entry;
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import org.opends.server.types.LDIFImportConfig;
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import org.testng.annotations.BeforeClass;
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import org.testng.annotations.Test;
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/**
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* Tests contained here:
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*
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* - testSingleRS : test generation ID setting with different servers and one
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* Replication server.
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*
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* - testMultiRS : tests generation ID propagation with more than one
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* Replication server.
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*/
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@SuppressWarnings("javadoc")
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public class GenerationIdTest extends ReplicationTestCase
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{
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/** The tracer object for the debug logger. */
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private static final LocalizedLogger logger = LocalizedLogger.getLoggerForThisClass();
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private static final String baseDnStr = TEST_ROOT_DN_STRING;
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private static final String testName = "generationIdTest";
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private static final String REPLICATION_GENERATION_ID = "ds-sync-generation-id";
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private static final int WINDOW_SIZE = 10;
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private static final int server1ID = 901;
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private static final int server2ID = 902;
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private static final int server3ID = 903;
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private static final int replServerId1 = 911;
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private static final int replServerId2 = 912;
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private static final int replServerId3 = 913;
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private DN baseDN;
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private ReplicationBroker broker2;
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private ReplicationBroker broker3;
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private ReplicationServer replServer1;
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private ReplicationServer replServer2;
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private ReplicationServer replServer3;
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private Entry taskInitRemoteS2;
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private String[] updatedEntries;
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private static int[] replServerPort;
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/**
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* A makeldif template used to create some test entries.
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*/
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private static String diff = "";
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private static String[] template = new String[] {
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"define suffix=" + baseDnStr,
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"define maildomain=example.com",
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"define numusers=11",
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"",
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"branch: [suffix]",
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"",
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"branch: ou=People,[suffix]",
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"subordinateTemplate: person:[numusers]",
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"",
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"template: person",
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"rdnAttr: uid",
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"objectClass: top",
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"objectClass: person",
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"objectClass: organizationalPerson",
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"objectClass: inetOrgPerson",
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"givenName: <first>",
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"sn: <last>",
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"cn: {givenName} {sn}",
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"initials: {givenName:1}<random:chars:" +
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"ABCDEFGHIJKLMNOPQRSTUVWXYZ:1>{sn:1}",
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"employeeNumber: <sequential:0>",
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"uid: user.{employeeNumber}",
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"mail: {uid}@[maildomain]",
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"userPassword: password",
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"telephoneNumber: <random:telephone>",
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"homePhone: <random:telephone>",
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"pager: <random:telephone>",
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"mobile: <random:telephone>",
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"street: <random:numeric:5> <file:streets> Street",
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"l: <file:cities>",
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"st: <file:states>",
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"postalCode: <random:numeric:5>",
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"postalAddress: {cn}${street}${l}, {st} {postalCode}",
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"description: This is the description for {cn} " + diff,
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""};
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private void debugInfo(String s)
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{
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logger.error(LocalizableMessage.raw("** TEST **" + s));
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if (logger.isTraceEnabled())
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{
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logger.trace("** TEST **" + s);
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}
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}
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private void debugInfo(String message, Exception e)
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{
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debugInfo(message + " " + stackTraceToSingleLineString(e));
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}
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/**
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* Set up the environment for performing the tests in this Class.
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*/
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@Override
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@BeforeClass
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public void setUp() throws Exception
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{
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super.setUp();
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replServerPort = TestCaseUtils.findFreePorts(3);
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baseDN = DN.valueOf(baseDnStr);
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updatedEntries = newLDIFEntries();
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// Synchro suffix
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synchroServerEntry = null;
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taskInitRemoteS2 = TestCaseUtils.makeEntry(
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"dn: ds-task-id=" + UUID.randomUUID() +
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",cn=Scheduled Tasks,cn=Tasks",
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"objectclass: top",
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"objectclass: ds-task",
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"objectclass: ds-task-initialize-remote-replica",
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"ds-task-class-name: org.opends.server.tasks.InitializeTargetTask",
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"ds-task-initialize-domain-dn: " + baseDN,
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"ds-task-initialize-replica-server-id: " + server2ID);
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}
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/** Tests that entries have been written in the db. */
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private int countUpdatedEntriesInDb() throws Exception
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{
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debugInfo("countUpdatedEntriesInDb");
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int found = 0;
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for (String entry : updatedEntries)
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{
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int dns = entry.indexOf("dn: ");
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int dne = entry.indexOf(TEST_ROOT_DN_STRING);
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String dn = entry.substring(dns + 4, dne + TEST_ROOT_DN_STRING.length());
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debugInfo("Search Entry: " + dn);
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DN entryDN = DN.valueOf(dn);
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try
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{
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Entry resultEntry = getEntry(entryDN, 1000, true);
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if (resultEntry==null)
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{
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debugInfo("Entry not found <" + dn + ">");
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}
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else
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{
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debugInfo("Entry found <" + dn + ">");
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found++;
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}
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}
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catch(Exception e)
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{
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debugInfo("TestEntriesInDb/", e);
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}
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}
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return found;
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}
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/**
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* Creates entries necessary to the test.
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*/
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private String[] newLDIFEntries()
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{
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return new String[]{
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"dn: " + baseDN + "\n"
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+ "objectClass: top\n"
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+ "objectClass: organization\n"
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+ "entryUUID: 21111111-1111-1111-1111-111111111111\n"
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+ "\n",
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"dn: ou=People," + baseDN + "\n"
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+ "objectClass: top\n"
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+ "objectClass: organizationalUnit\n"
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+ "entryUUID: 21111111-1111-1111-1111-111111111112\n"
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+ "\n",
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"dn: cn=Fiona Jensen,ou=people," + baseDN + "\n"
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+ "objectclass: top\n"
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+ "objectclass: person\n"
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+ "objectclass: organizationalPerson\n"
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+ "objectclass: inetOrgPerson\n"
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+ "cn: Fiona Jensen\n"
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+ "sn: Jensen\n"
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+ "uid: fiona\n"
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+ "telephonenumber: +1 408 555 1212\n"
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+ "entryUUID: 21111111-1111-1111-1111-111111111113\n"
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+ "\n",
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"dn: cn=Robert Langman,ou=people," + baseDN + "\n"
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+ "objectclass: top\n"
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+ "objectclass: person\n"
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+ "objectclass: organizationalPerson\n"
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+ "objectclass: inetOrgPerson\n"
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+ "cn: Robert Langman\n"
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+ "sn: Langman\n"
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+ "uid: robert\n"
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+ "telephonenumber: +1 408 555 1213\n"
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+ "entryUUID: 21111111-1111-1111-1111-111111111114\n"
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+ "\n"
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};
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}
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private int receiveImport(ReplicationBroker broker, int serverID, String[] updatedEntries) throws Exception
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{
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// Expect the broker to receive the entries
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int entriesReceived = -100;
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while (true)
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{
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debugInfo("Broker " + serverID + " Wait for entry or done msg");
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ReplicationMsg msg = broker.receive();
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if (msg == null)
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{
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break;
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}
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if (msg instanceof InitializeTargetMsg)
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{
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debugInfo("Broker " + serverID + " receives InitializeTargetMessage ");
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entriesReceived = 0;
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}
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else if (msg instanceof EntryMsg)
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{
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EntryMsg em = (EntryMsg)msg;
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debugInfo("Broker " + serverID + " receives entry " + new String(em.getEntryBytes()));
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entriesReceived++;
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}
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else if (msg instanceof DoneMsg)
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{
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debugInfo("Broker " + serverID + " receives done ");
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break;
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}
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else if (msg instanceof ErrorMsg)
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{
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debugInfo("Broker " + serverID + " receives ERROR " + msg);
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break;
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}
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else
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{
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debugInfo("Broker " + serverID + " receives and trashes " + msg);
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}
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}
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if (updatedEntries != null)
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{
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assertEquals(updatedEntries.length, entriesReceived);
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}
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return entriesReceived;
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}
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/**
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* Creates a new replicationServer.
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* @param replServerId The serverID of the replicationServer to create.
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* @param all Specifies whether to connect the created replication
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* server to the other replication servers in the test.
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* @return The new created replication server.
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*/
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private ReplicationServer createReplicationServer(int replServerId,
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boolean all, String testCase) throws Exception
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{
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SortedSet<String> servers = new TreeSet<>();
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if (all)
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{
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if (replServerId != replServerId1)
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{
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servers.add("localhost:" + getRSPort(replServerId1));
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}
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if (replServerId != replServerId2)
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{
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servers.add("localhost:" + getRSPort(replServerId2));
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}
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if (replServerId != replServerId3)
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{
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servers.add("localhost:" + getRSPort(replServerId3));
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}
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}
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int rsPort = getRSPort(replServerId);
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String rsDir = "generationIdTest" + replServerId + testCase + "Db";
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ReplServerFakeConfiguration conf =
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new ReplServerFakeConfiguration(rsPort, rsDir, replicationDbImplementation, 0, replServerId, 0, 100, servers);
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ReplicationServer replicationServer = new ReplicationServer(conf);
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Thread.sleep(1000);
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return replicationServer;
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}
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/**
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* Create a synchronized suffix in the current server providing the
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* replication Server.
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*/
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private void connectServer1ToReplServer(ReplicationServer rs) throws Exception
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{
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debugInfo("Connecting DS1 to replicate to RS" + getRSNumber(rs) + "(" + rs.getServerId() + ")");
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{
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// suffix synchronized
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String synchroServerLdif =
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"dn: cn=" + testName + ", cn=domains," + SYNCHRO_PLUGIN_DN + "\n"
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+ "objectClass: top\n"
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+ "objectClass: ds-cfg-replication-domain\n"
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+ "cn: " + testName + "\n"
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+ "ds-cfg-base-dn: " + baseDnStr + "\n"
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+ "ds-cfg-replication-server: localhost:" + rs.getReplicationPort() + "\n"
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+ "ds-cfg-server-id: " + server1ID + "\n"
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+ "ds-cfg-receive-status: true\n"
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+ "ds-cfg-window-size: " + WINDOW_SIZE;
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// Must be no connection already done or disconnectFromReplServer should
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// have been called
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assertNull(synchroServerEntry);
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addSynchroServerEntry(synchroServerLdif);
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int waitCo=0;
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LDAPReplicationDomain doToco=null;
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while(waitCo<50)
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{
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doToco = LDAPReplicationDomain.retrievesReplicationDomain(baseDN);
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if (doToco != null && doToco.isConnected())
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{
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break;
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}
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Thread.sleep(waitCo * 200);
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waitCo++;
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}
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assertNotNull(doToco);
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assertTrue(doToco.isConnected(), "not connected after #attempt="+waitCo);
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debugInfo("ReplicationDomain: Import/Export is running ? " + doToco.ieRunning());
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}
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}
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private String getRSNumber(ReplicationServer rs)
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{
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if (rs == replServer1)
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{
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return "1";
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}
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else if (rs == replServer2)
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{
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return "2";
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}
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else if (rs == replServer3)
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{
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return "3";
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}
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fail("Unknown RS");
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return null;
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}
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/**
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* Disconnect DS from the provided replicationServer.
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*
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* @see #connectServer1ToReplServer(ReplicationServer) should have been called previously
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*/
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private void disconnectFromReplServer(ReplicationServer rs) throws Exception
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{
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debugInfo("Disconnect DS1 from RS" + getRSNumber(rs) + "(" + rs.getServerId() + ")");
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{
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// suffix synchronized
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String synchroServerStringDN = "cn=" + testName + ", cn=domains," + SYNCHRO_PLUGIN_DN;
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assertNotNull(synchroServerEntry);
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DN synchroServerDN = DN.valueOf(synchroServerStringDN);
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Entry ecle = DirectoryServer.getConfigHandler().getEntry(
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DN.valueOf("cn=external changelog," + synchroServerStringDN));
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if (ecle!=null)
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{
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DirectoryServer.getConfigHandler().deleteEntry(ecle.getName(), null);
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}
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DirectoryServer.getConfigHandler().deleteEntry(synchroServerDN, null);
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assertNull(DirectoryServer.getConfigEntry(synchroServerEntry.getName()),
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"Unable to delete the synchronized domain");
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synchroServerEntry = null;
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configEntriesToCleanup.remove(synchroServerDN);
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LDAPReplicationDomain replDomainToDis = null;
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try
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{
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int waitCo=0;
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while(waitCo<30)
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{
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replDomainToDis = LDAPReplicationDomain.retrievesReplicationDomain(baseDN);
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Thread.sleep(200);
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waitCo++;
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}
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assertNull(replDomainToDis);
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}
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catch (DirectoryException e)
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{
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// success
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debugInfo("disconnectFromReplServer: " + rs.getServerId(), e);
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}
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}
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}
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private int getRSPort(int replServerId) throws Exception
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{
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return replServerPort[replServerId - replServerId1];
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}
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private long readGenIdFromSuffixRootEntry(boolean shouldExist) throws Exception
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{
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Entry resultEntry = getEntry(baseDN, 1000, shouldExist);
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if (resultEntry == null)
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{
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debugInfo("Entry not found <" + baseDN + ">");
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}
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else
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{
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debugInfo("Entry found <" + baseDN + ">");
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AttributeType synchronizationGenIDType = DirectoryServer.getAttributeType(REPLICATION_GENERATION_ID);
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List<Attribute> attrs = resultEntry.getAttribute(synchronizationGenIDType);
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if (attrs != null)
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{
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Attribute attr = attrs.get(0);
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if (attr.size() == 1)
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{
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return Long.decode(attr.iterator().next().toString());
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}
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}
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}
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return -1;
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}
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private void performLdifImport() throws Exception
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{
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// Create a temporary test LDIF file.
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// A temporary LDIF file containing some test entries.
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File ldifFile = File.createTempFile("import-test", ".ldif");
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String resourcePath =
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DirectoryServer.getInstanceRoot() + File.separator + "config"
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+ File.separator + "MakeLDIF";
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LdifFileWriter.makeLdif(ldifFile.getPath(), resourcePath, template);
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// Launch import of the Ldif file on the memory test backend
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// Note: we do not use a task here as import task does not work on memory
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// backend: it disables then re-enables backend which leads to backend
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// object instance lost and this is not acceptable for a backend with
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// non persistent data
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LDIFImportConfig importConfig = new LDIFImportConfig(ldifFile.getAbsolutePath());
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MemoryBackend memoryBackend = (MemoryBackend) DirectoryServer.getBackend(TEST_BACKEND_ID);
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memoryBackend.importLDIF(importConfig, DirectoryServer.getInstance().getServerContext());
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}
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private String createEntry(UUID uid)
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{
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String userDN = "uid=user" + uid + ",ou=People," + baseDnStr;
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return "dn: " + userDN + "\n"
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+ "objectClass: top\n" + "objectClass: person\n"
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+ "objectClass: organizationalPerson\n"
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+ "objectClass: inetOrgPerson\n" + "uid: user.1\n"
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+ "homePhone: 951-245-7634\n"
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+ "description: This is the description for Aaccf Amar.\n" + "st: NC\n"
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+ "mobile: 027-085-0537\n"
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+ "postalAddress: Aaccf Amar$17984 Thirteenth Street"
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+ "$Rockford, NC 85762\n" + "mail: user.1@example.com\n"
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+ "cn: Aaccf Amar2\n" + "l: Rockford\n" + "pager: 508-763-4246\n"
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+ "street: 17984 Thirteenth Street\n"
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+ "telephoneNumber: 216-564-6748\n" + "employeeNumber: 2\n"
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+ "sn: Amar2\n" + "givenName: Aaccf2\n" + "postalCode: 85762\n"
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+ "userPassword: password\n" + "initials: AA\n";
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}
|
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private static AddMsg createAddMsg() throws Exception
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{
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/*
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* Create a CSN generator to generate new CSNs when we need to send
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* operation messages to the replicationServer.
|
*/
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CSNGenerator gen = new CSNGenerator(2, 0);
|
|
String user1entryUUID = "33333333-3333-3333-3333-333333333333";
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String user1dn = "uid=user1,ou=People," + baseDnStr;
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Entry personWithUUIDEntry = TestCaseUtils.entryFromLdifString(
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"dn: "+ user1dn + "\n"
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+ "objectClass: top\n" + "objectClass: person\n"
|
+ "objectClass: organizationalPerson\n"
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+ "objectClass: inetOrgPerson\n" + "uid: user.1\n"
|
+ "homePhone: 951-245-7634\n"
|
+ "description: This is the description for Aaccf Amar.\n" + "st: NC\n"
|
+ "mobile: 027-085-0537\n"
|
+ "postalAddress: Aaccf Amar$17984 Thirteenth Street"
|
+ "$Rockford, NC 85762\n" + "mail: user.1@example.com\n"
|
+ "cn: Aaccf Amar\n" + "l: Rockford\n" + "pager: 508-763-4246\n"
|
+ "street: 17984 Thirteenth Street\n"
|
+ "telephoneNumber: 216-564-6748\n" + "employeeNumber: 1\n"
|
+ "sn: Amar\n" + "givenName: Aaccf\n" + "postalCode: 85762\n"
|
+ "userPassword: password\n" + "initials: AA\n"
|
+ "entryUUID: " + user1entryUUID + "\n");
|
|
// Create and publish an update message to add an entry.
|
return new AddMsg(gen.newCSN(),
|
personWithUUIDEntry.getName(),
|
user1entryUUID,
|
null,
|
personWithUUIDEntry.getObjectClassAttribute(),
|
personWithUUIDEntry.getAttributes(), new ArrayList<Attribute>());
|
}
|
|
/**
|
* Check that the expected number of changes are in the replication server
|
* database.
|
*/
|
private void checkChangelogSize(int expectedCount) throws Exception
|
{
|
// TODO : commented this throw because test is executed through a slow test
|
//throw new RuntimeException("Dead code. Should we remove this method and the test calling it?");
|
}
|
|
/**
|
* SingleRS tests basic features of generationID
|
* with one single Replication Server.
|
*/
|
@Test
|
public void testSingleRS() throws Exception
|
{
|
String testCase = "testSingleRS";
|
debugInfo("Starting " + testCase + " debugEnabled:" + logger.isTraceEnabled());
|
|
debugInfo(testCase + " Clearing DS1 backend");
|
// Special test were we want to test with an empty backend. So free it
|
// for this special test.
|
TestCaseUtils.initializeTestBackend(false);
|
|
try
|
{
|
long rsGenId;
|
long dsGenId;
|
|
replServer1 = createReplicationServer(replServerId1, false, testCase);
|
|
// To search the replication server db later in these tests, we need
|
// to attach the search backend to the replication server just created.
|
|
//===========================================================
|
debugInfo(testCase + " ** TEST ** Empty backend");
|
|
connectServer1ToReplServer(replServer1);
|
|
debugInfo(testCase
|
+ " Expect genId to be not retrievable from suffix root entry");
|
dsGenId = readGenIdFromSuffixRootEntry(false);
|
assertEquals(dsGenId,-1);
|
|
debugInfo(testCase
|
+ " Expect genId to be set in memory on the replication "
|
+ " server side (not wrote on disk/db since no change occurred).");
|
rsGenId = replServer1.getGenerationId(baseDN);
|
assertEquals(rsGenId, EMPTY_DN_GENID);
|
|
// Clean for next test
|
disconnectFromReplServer(replServer1);
|
|
|
// ===========================================================
|
debugInfo(testCase + " ** TEST ** Non empty backend");
|
|
debugInfo(testCase + " Adding test entries to DS");
|
addTestEntriesToDB(updatedEntries);
|
|
connectServer1ToReplServer(replServer1);
|
|
debugInfo(testCase
|
+ " Test that the generationId is written in the DB in the root entry on DS1");
|
dsGenId = readGenIdFromSuffixRootEntry(true);
|
assertTrue(dsGenId != -1);
|
assertTrue(dsGenId != EMPTY_DN_GENID);
|
|
debugInfo(testCase + " Test that the generationId is set on RS1");
|
rsGenId = replServer1.getGenerationId(baseDN);
|
assertEquals(dsGenId, rsGenId);
|
|
//===========================================================
|
debugInfo(testCase + " ** TEST ** DS2 connection to RS1 with bad genID");
|
|
broker2 =
|
openReplicationSession(baseDN, server2ID, 100, replServer1
|
.getReplicationPort(), 1000, dsGenId + 1);
|
|
// ===========================================================
|
debugInfo(testCase + " ** TEST ** DS3 connection to RS1 with good genID");
|
broker3 =
|
openReplicationSession(baseDN, server3ID, 100, replServer1
|
.getReplicationPort(), 1000, dsGenId);
|
|
// ===========================================================
|
debugInfo(testCase
|
+ " ** TEST ** DS2 (bad genID) changes must be ignored.");
|
|
broker2.publish(createAddMsg());
|
assertNoMessageReceived(
|
broker3,
|
"broker3",
|
"Note that timeout should be lower than RS monitoring publisher period so that timeout occurs");
|
|
// ===========================================================
|
debugInfo(testCase
|
+ " ** TEST ** The part of the topology with the right gen ID should work well");
|
|
// Now create a change that must be replicated
|
waitConnectionToReplicationDomain(baseDN, 1000);
|
addTestEntriesToDB(createEntry(UUID.randomUUID()));
|
|
// Verify that RS1 does contain the change related to this ADD.
|
checkChangelogSize(1);
|
|
// Verify that DS3 receives this change
|
ReplicationMsg msg = broker3.receive();
|
Assertions.assertThat(msg).isInstanceOf(AddMsg.class);
|
debugInfo("Broker 3 received expected update msg" + msg);
|
|
//===========================================================
|
debugInfo(testCase + " ** TEST ** Persistence of the generation ID in RS1");
|
|
final long genIdBeforeShut = replServer1.getGenerationId(baseDN);
|
|
debugInfo("Shutdown replServer1");
|
stop(broker2, broker3);
|
broker2 = broker3 = null;
|
replServer1.remove();
|
replServer1 = null;
|
|
debugInfo("Create again replServer1");
|
replServer1 = createReplicationServer(replServerId1, false, testCase);
|
|
// To search the replication server db later in these tests, we need
|
// to attach the search backend to the replication server just created.
|
debugInfo("Delay to allow DS to reconnect to replServer1");
|
|
final long genIdAfterRestart = replServer1.getGenerationId(baseDN);
|
debugInfo("Aft restart / replServer.genId=" + genIdAfterRestart);
|
assertNotNull(replServer1, "Replication server creation failed.");
|
assertEquals(genIdAfterRestart, genIdBeforeShut,
|
"generationId is expected to have the same value" +
|
" after replServer1 restart. Before : " + genIdBeforeShut +
|
" after : " + genIdAfterRestart);
|
|
// By the way also verify that no change occurred on the replication server db
|
// and still contain the ADD submitted initially.
|
checkChangelogSize(1);
|
|
//===============================================================
|
debugInfo(testCase + " ** TEST ** Import with new data set + reset will"+
|
" spread a new gen ID on the topology, verify DS1 and RS1");
|
debugInfo("Create again broker2");
|
broker2 = openReplicationSession(baseDN,
|
server2ID, 100, replServer1.getReplicationPort(), 1000, dsGenId);
|
assertTrue(broker2.isConnected(), "Broker2 failed to connect to replication server");
|
|
debugInfo("Create again broker3");
|
broker3 = openReplicationSession(baseDN,
|
server3ID, 100, replServer1.getReplicationPort(), 1000, dsGenId);
|
assertTrue(broker3.isConnected(), "Broker3 failed to connect to replication server");
|
|
|
debugInfo("Launch on-line import on DS1");
|
long oldGenId = dsGenId;
|
dsGenId=-1;
|
disconnectFromReplServer(replServer1);
|
performLdifImport();
|
connectServer1ToReplServer(replServer1);
|
|
debugInfo("Create Reset task on DS1 to propagate the new gen ID as the reference");
|
executeTask(createSetGenerationIdTask(dsGenId, ""), 20000);
|
|
// Broker 2 and 3 should receive 1 change status message to order them
|
// to enter the bad gen id status
|
ChangeStatusMsg csMsg = waitForSpecificMsg(broker2, ChangeStatusMsg.class);
|
assertEquals(csMsg.getRequestedStatus(), ServerStatus.BAD_GEN_ID_STATUS,
|
"Broker 2 connection is expected to receive 1 ChangeStatusMsg"
|
+ " to enter the bad gen id status" + csMsg);
|
csMsg = waitForSpecificMsg(broker3, ChangeStatusMsg.class);
|
assertEquals(csMsg.getRequestedStatus(), ServerStatus.BAD_GEN_ID_STATUS,
|
"Broker 2 connection is expected to receive 1 ChangeStatusMsg"
|
+ " to enter the bad gen id status" + csMsg);
|
|
debugInfo("DS1 root entry must contain the new gen ID");
|
dsGenId = readGenIdFromSuffixRootEntry(true);
|
assertTrue(dsGenId != -1, "DS is expected to have a new genID computed " +
|
" after on-line import but genId=" + dsGenId);
|
assertTrue(dsGenId != oldGenId, "The new genID after import and reset of genID "
|
+ "is expected to be diffrent from previous one");
|
|
debugInfo("RS1 must have the new gen ID");
|
rsGenId = replServer1.getGenerationId(baseDN);
|
assertEquals(dsGenId, rsGenId, "DS and replServer are expected to have same genId.");
|
|
debugInfo("RS1 must have been cleared since it has not the proper generation ID");
|
checkChangelogSize(0);
|
|
assertFalse(isDegradedDueToGenerationId(replServer1, server1ID),
|
"Expecting that DS1 status in RS1 is : not in bad gen id.");
|
|
//===============================================================
|
debugInfo(testCase + " ** TEST ** Previous test set a new gen ID on the "+
|
"topology, verify degradation of DS2 and DS3");
|
|
assertTrue(isDegradedDueToGenerationId(replServer1, server2ID),
|
"Expecting that DS2 with old gen ID is in bad gen id from RS1");
|
assertTrue(isDegradedDueToGenerationId(replServer1, server3ID),
|
"Expecting that DS3 with old gen ID is in bad gen id from RS1");
|
|
debugInfo("Add entries to DS1, update should not be sent to DS2 and DS3 that are in bad gen id");
|
waitConnectionToReplicationDomain(baseDN, 1000);
|
addTestEntriesToDB(createEntry(UUID.randomUUID()));
|
|
debugInfo("RS1 must have stored that update.");
|
checkChangelogSize(1);
|
|
assertNoMessageReceived(broker2, "broker2", "bad gen id");
|
assertNoMessageReceived(broker3, "broker3", "bad gen id");
|
|
debugInfo("DS2 is publishing a change and RS1 must ignore this change, DS3 must not receive it.");
|
final AddMsg emsg = createAddMsg();
|
broker2.publish(emsg);
|
|
// Updates count in RS1 must stay unchanged = to 1
|
checkChangelogSize(1);
|
|
assertNoMessageReceived(broker3, "broker3", "bad gen id");
|
|
|
//===============================================================
|
debugInfo(testCase + " ** TEST ** Previous test put DS2 and DS3 in bad gen id, "+
|
" now simulates \"dsreplication initialize \"by doing a TU+reset " +
|
" from DS1 to DS2 and DS3, verify NON degradation of DS2 and DS3");
|
|
// In S1 launch the total update to initialize S2
|
addTask(taskInitRemoteS2, ResultCode.SUCCESS, null);
|
|
// S2 should be re-initialized and have a new valid genId
|
|
// Signal that we just entered the full update status
|
broker2.signalStatusChange(ServerStatus.FULL_UPDATE_STATUS);
|
|
int receivedEntriesNb = receiveImport(broker2, server2ID, null);
|
debugInfo("broker2 has been initialized from DS with #entries=" + receivedEntriesNb);
|
|
// Simulates the broker restart at the end of the import
|
broker2.stop();
|
broker2 = openReplicationSession(baseDN,
|
server2ID, 100, replServer1.getReplicationPort(), 1000, dsGenId);
|
|
// Simulates the broker restart at the end of the import
|
broker3.stop();
|
broker3 = openReplicationSession(baseDN,
|
server3ID, 100, replServer1.getReplicationPort(), 1000, dsGenId);
|
|
debugInfo("Adding reset task to DS1");
|
executeTask(createSetGenerationIdTask(null, ""), 20000);
|
|
debugInfo("Verify that RS1 has still the right genID");
|
assertEquals(replServer1.getGenerationId(baseDN), rsGenId);
|
|
// Updates count in RS1 must stay unchanged = to 1
|
checkChangelogSize(1);
|
|
debugInfo("Verifying that DS2 is not in bad gen id any more");
|
assertFalse(isDegradedDueToGenerationId(replServer1, server2ID),
|
"Expecting that DS2 is not in bad gen id from RS1");
|
|
debugInfo("Verifying that DS3 is not in bad gen id any more");
|
assertFalse(isDegradedDueToGenerationId(replServer1, server3ID),
|
"Expecting that DS3 is not in bad gen id from RS1");
|
|
debugInfo("Verify that DS2 receives the add message stored in RS1 DB");
|
msg = broker2.receive();
|
Assertions.assertThat(msg).isInstanceOf(AddMsg.class);
|
|
debugInfo("Verify that DS3 receives the add message stored in RS1 DB");
|
msg = broker3.receive();
|
Assertions.assertThat(msg).isInstanceOf(AddMsg.class);
|
|
debugInfo("DS2 is publishing a change and RS1 must store this change, DS3 must receive it.");
|
final AddMsg emsg2 = createAddMsg();
|
broker2.publish(emsg2);
|
|
checkChangelogSize(2);
|
|
/* expected */
|
msg = broker3.receive();
|
Assertions.assertThat(msg).isInstanceOf(AddMsg.class);
|
AddMsg rcvmsg = (AddMsg)msg;
|
assertEquals(rcvmsg.getCSN(), emsg2.getCSN());
|
|
//===============================================================
|
debugInfo(testCase + " ** TEST ** General cleaning");
|
|
debugInfo("Disconnect DS from replServer1 (required in order to DEL entries).");
|
disconnectFromReplServer(replServer1);
|
|
debugInfo("Successfully ending " + testCase);
|
} finally
|
{
|
postTest();
|
}
|
}
|
|
/**
|
* Waits for the connection from server1 to the replication domain to
|
* establish itself up automagically.
|
*/
|
private void waitConnectionToReplicationDomain(DN baseDN, int timeout)
|
{
|
long start = System.currentTimeMillis();
|
while (System.currentTimeMillis() - start <= timeout)
|
{
|
LDAPReplicationDomain domain = MultimasterReplication.findDomain(baseDN, null);
|
if (domain != null && domain.isConnected())
|
{
|
break;
|
}
|
}
|
assertTrue(MultimasterReplication.findDomain(baseDN, null).isConnected(),
|
"After waiting " + (System.currentTimeMillis() - start)
|
+ " ms, server should have been connected to replication domain "
|
+ baseDN);
|
}
|
|
private Entry createSetGenerationIdTask(Long genId, String additionalAttribute) throws Exception
|
{
|
String genIdString = genId != null ? genId.toString() : "";
|
return TestCaseUtils.makeEntry(
|
"dn: ds-task-id=resetgenid" + genIdString + UUID.randomUUID() + ",cn=Scheduled Tasks,cn=Tasks",
|
"objectclass: top", "objectclass: ds-task",
|
"objectclass: ds-task-reset-generation-id",
|
"ds-task-class-name: org.opends.server.tasks.SetGenerationIdTask",
|
"ds-task-reset-generation-id-domain-base-dn: " + baseDnStr,
|
additionalAttribute);
|
}
|
|
private void assertNoMessageReceived(ReplicationBroker broker,
|
String brokerName, String reason)
|
{
|
try
|
{
|
ReplicationMsg msg = broker.receive();
|
fail("No update message is supposed to be received by " + brokerName
|
+ " reason='" + reason + "'. msg=" + msg);
|
}
|
catch (SocketTimeoutException expected)
|
{ /* expected */
|
}
|
}
|
|
/**
|
* Tests basic features of generationID with more than one Replication Server.
|
* The following test focus on:
|
* - genId checking across multiple starting RS (replication servers)
|
* - genId setting propagation from one RS to the others
|
* - genId reset propagation from one RS to the others
|
*/
|
@Test(dependsOnMethods = { "testSingleRS" })
|
public void testMultiRS() throws Exception
|
{
|
String testCase = "testMultiRS";
|
long genId;
|
|
debugInfo("Starting " + testCase);
|
|
try
|
{
|
// Special test were we want to test with an empty backend. So free it
|
// for this special test.
|
TestCaseUtils.initializeTestBackend(false);
|
|
debugInfo("Creating 3 RSs");
|
replServer1 = createReplicationServer(replServerId1, true, testCase);
|
replServer2 = createReplicationServer(replServerId2, true, testCase);
|
replServer3 = createReplicationServer(replServerId3, true, testCase);
|
|
connectServer1ToReplServer(replServer1);
|
debugInfo("Expect genId are set in all replServers.");
|
waitForStableGenerationId(EMPTY_DN_GENID);
|
disconnectFromReplServer(replServer1);
|
|
debugInfo("Expect genIds to be resetted in all servers to -1 as no more DS in topo - after 10 sec");
|
waitForStableGenerationId(-1);
|
|
debugInfo("Add entries to DS");
|
addTestEntriesToDB(updatedEntries);
|
|
connectServer1ToReplServer(replServer2);
|
|
debugInfo("Expect genIds to be set in all servers based on the added entries.");
|
genId = readGenIdFromSuffixRootEntry(true);
|
Assertions.assertThat(genId).isNotEqualTo(-1);
|
waitForStableGenerationId(genId);
|
|
debugInfo("Connecting broker2 to replServer3 with a good genId");
|
broker2 = openReplicationSession(baseDN, server2ID, 100,
|
replServer3.getReplicationPort(), 1000, genId);
|
Thread.sleep(1000);
|
|
debugInfo("Expecting that broker2 is not in bad gen id since it has a correct genId");
|
assertFalse(isDegradedDueToGenerationId(replServer1, server2ID));
|
|
disconnectFromReplServer(replServer1);
|
|
debugInfo("Verifying that all replservers genIds have been reset.");
|
|
debugInfo("Expect all genIds to keep their value since broker2 is still connected.");
|
waitForStableGenerationId(genId);
|
|
debugInfo("Connecting broker3 to replServer1 with a bad genId");
|
long badGenId = 1;
|
broker3 = openReplicationSession(baseDN, server3ID, 100,
|
replServer1.getReplicationPort(), 1000, badGenId);
|
Thread.sleep(1000);
|
|
debugInfo("Expecting that broker3 is in bad gen id since it has a bad genId");
|
assertTrue(isDegradedDueToGenerationId(replServer1, server3ID));
|
assertEquals(countUpdatedEntriesInDb(), updatedEntries.length);
|
|
connectServer1ToReplServer(replServer1);
|
|
|
debugInfo("Adding reset task to DS.");
|
executeTask(createSetGenerationIdTask(null, ""), 20000);
|
|
debugInfo("Verifying that all replservers genIds have been reset.");
|
genId = readGenIdFromSuffixRootEntry(true);
|
assertGenIdEquals(genId);
|
|
debugInfo("Adding reset task to DS." + genId);
|
executeTask(createSetGenerationIdTask(null, "ds-task-reset-generation-id-new-value: -1"), 20000);
|
|
debugInfo("Verifying that all replservers genIds have been reset.");
|
waitForStableGenerationId(-1);
|
|
debugInfo("Disconnect DS from replServer1 (required in order to DEL entries).");
|
disconnectFromReplServer(replServer1);
|
|
debugInfo("Successfully ending " + testCase);
|
} finally
|
{
|
postTest();
|
}
|
}
|
|
private void waitForStableGenerationId(long expectedGenId) throws Exception
|
{
|
int wait = 0;
|
while (wait < 100)
|
{
|
if (replServer1.getGenerationId(baseDN) == expectedGenId
|
&& replServer2.getGenerationId(baseDN) == expectedGenId
|
&& replServer3.getGenerationId(baseDN) == expectedGenId)
|
{
|
break;
|
}
|
wait++;
|
Thread.sleep(100);
|
}
|
assertGenIdEquals(expectedGenId);
|
}
|
|
private void assertGenIdEquals(long expectedGenId)
|
{
|
assertEquals(replServer1.getGenerationId(baseDN), expectedGenId, " in replServer1");
|
assertEquals(replServer2.getGenerationId(baseDN), expectedGenId, " in replServer2");
|
assertEquals(replServer3.getGenerationId(baseDN), expectedGenId, " in replServer3");
|
}
|
|
private boolean isDegradedDueToGenerationId(ReplicationServer rs, int serverId)
|
{
|
ReplicationServerDomain domain = rs.getReplicationServerDomain(baseDN);
|
return domain.isDegradedDueToGenerationId(serverId);
|
}
|
|
/**
|
* Disconnect broker and remove entries from the local DB.
|
*/
|
private void postTest() throws Exception
|
{
|
debugInfo("Post test cleaning.");
|
|
stop(broker2, broker3);
|
broker2 = broker3 = null;
|
remove(replServer1, replServer2, replServer3);
|
replServer1 = replServer2 = replServer3 = null;
|
|
super.cleanRealEntries();
|
|
replServerPort = TestCaseUtils.findFreePorts(3);
|
|
debugInfo("Clearing DJ backend");
|
TestCaseUtils.initializeTestBackend(false);
|
}
|
|
/**
|
* Test generationID saving when the root entry does not exist
|
* at the moment when the replication is enabled.
|
*/
|
@Test(dependsOnMethods = { "testMultiRS" }, groups = "slow")
|
public void testServerStop() throws Exception
|
{
|
String testCase = "testServerStop";
|
debugInfo("Starting "+ testCase + " debugEnabled:" + logger.isTraceEnabled());
|
|
debugInfo(testCase + " Clearing DS1 backend");
|
// Special test were we want to test with an empty backend. So free it
|
// for this special test.
|
TestCaseUtils.initializeTestBackend(false);
|
|
try
|
{
|
replServer1 = createReplicationServer(replServerId1, false, testCase);
|
|
/*
|
* Test : empty replicated backend
|
* Check : nothing is broken - no generationId generated
|
*/
|
connectServer1ToReplServer(replServer1);
|
assertEquals(readGenIdFromSuffixRootEntry(false), -1,
|
"genId attribute should not be retrievable since there are NO entry in the backend");
|
|
waitConnectionToReplicationDomain(baseDN, 1000);
|
addTestEntriesToDB(updatedEntries);
|
assertEquals(readGenIdFromSuffixRootEntry(true), EMPTY_DN_GENID,
|
"genId attribute should be retrievable since there IS one entry in the backend");
|
|
disconnectFromReplServer(replServer1);
|
}
|
finally
|
{
|
postTest();
|
debugInfo("Successfully ending " + testCase);
|
}
|
}
|
|
/**
|
* Loop opening sessions to the Replication Server
|
* to check that it handle correctly disconnection and reconnection.
|
*/
|
@Test(dependsOnMethods = { "testServerStop" }, groups = "slow")
|
public void testLoop() throws Exception
|
{
|
String testCase = "testLoop";
|
debugInfo("Starting "+ testCase + " debugEnabled:" + logger.isTraceEnabled());
|
long rsGenId;
|
|
// Special test were we want to test with an empty backend. So free it
|
// for this special test.
|
TestCaseUtils.initializeTestBackend(false);
|
|
replServer1 = createReplicationServer(replServerId1, false, testCase);
|
clearChangelogDB(replServer1);
|
|
ReplicationBroker broker = null;
|
try
|
{
|
for (int i=0; i< 5; i++)
|
{
|
long generationId = 1000+i;
|
broker = openReplicationSession(baseDN, server2ID, 100,
|
replServer1.getReplicationPort(), 1000, generationId);
|
debugInfo(testCase + " Expect genId to be set in memory on the replication " +
|
" server side even if not wrote on disk/db since no change occurred.");
|
rsGenId = replServer1.getGenerationId(baseDN);
|
assertEquals(rsGenId, generationId);
|
broker.stop();
|
broker = null;
|
Thread.sleep(2000); // Let time to RS to clear info about previous connection
|
}
|
} finally
|
{
|
stop(broker);
|
postTest();
|
debugInfo("Successfully ending " + testCase);
|
}
|
}
|
}
|
