| /* |
| * 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.geode.internal.cache.wan.serial; |
| |
| import static org.apache.geode.distributed.ConfigurationProperties.DISTRIBUTED_SYSTEM_ID; |
| import static org.apache.geode.distributed.ConfigurationProperties.REMOTE_LOCATORS; |
| import static org.apache.geode.internal.cache.wan.wancommand.WANCommandUtils.validateGatewaySenderMXBeanProxy; |
| import static org.apache.geode.internal.cache.wan.wancommand.WANCommandUtils.verifySenderState; |
| import static org.apache.geode.test.awaitility.GeodeAwaitility.await; |
| import static org.assertj.core.api.Assertions.assertThat; |
| |
| import java.io.Serializable; |
| import java.util.AbstractMap; |
| import java.util.Map; |
| import java.util.Objects; |
| import java.util.Properties; |
| import java.util.Set; |
| |
| import org.junit.Before; |
| import org.junit.Rule; |
| import org.junit.Test; |
| import org.junit.experimental.categories.Category; |
| |
| import org.apache.geode.cache.CacheWriter; |
| import org.apache.geode.cache.CacheWriterException; |
| import org.apache.geode.cache.EntryEvent; |
| import org.apache.geode.cache.Region; |
| import org.apache.geode.cache.RegionEvent; |
| import org.apache.geode.cache.wan.GatewayReceiver; |
| import org.apache.geode.cache.wan.GatewaySender; |
| import org.apache.geode.distributed.internal.membership.InternalDistributedMember; |
| import org.apache.geode.internal.cache.InternalRegion; |
| import org.apache.geode.internal.cache.RegionQueue; |
| import org.apache.geode.internal.cache.wan.AbstractGatewaySender; |
| import org.apache.geode.management.internal.cli.util.CommandStringBuilder; |
| import org.apache.geode.management.internal.i18n.CliStrings; |
| import org.apache.geode.test.dunit.VM; |
| import org.apache.geode.test.dunit.rules.ClientVM; |
| import org.apache.geode.test.dunit.rules.ClusterStartupRule; |
| import org.apache.geode.test.dunit.rules.MemberVM; |
| import org.apache.geode.test.junit.categories.WanTest; |
| import org.apache.geode.test.junit.rules.GfshCommandRule; |
| |
| @Category({WanTest.class}) |
| public class InternalConflictResolutionReplicateRegionWithSerialGwsDistributedTest |
| implements Serializable { |
| |
| @Rule |
| public ClusterStartupRule clusterStartupRule = new ClusterStartupRule(9); |
| |
| @Rule |
| public transient GfshCommandRule gfsh = new GfshCommandRule(); |
| |
| public static boolean ENTRY_CONFLICT_WINNER_HAS_REACHED_THE_REDUNDANT_SERVER; |
| |
| private MemberVM locator1Site2; |
| |
| private MemberVM server1Site1; |
| private MemberVM server2Site1; |
| |
| private MemberVM server1Site2; |
| private MemberVM server2Site2; |
| |
| private int server1Site2Port; |
| private int server2Site2Port; |
| |
| private ClientVM clientConnectedToServer1Site2; |
| private ClientVM clientConnectedToServer2Site2; |
| |
| private static final String DISTRIBUTED_SYSTEM_ID_SITE1 = "1"; |
| private static final String DISTRIBUTED_SYSTEM_ID_SITE2 = "2"; |
| private static final String REGION_NAME = "test1"; |
| |
| private static final String GATEWAY_SENDER_ID = "ln"; |
| |
| private final Map.Entry<Integer, Integer> ENTRY_INITIAL = new AbstractMap.SimpleEntry<>(1, 0); |
| private final Map.Entry<Integer, Integer> ENTRY_CONFLICT_RESOLUTION_WINNER = |
| new AbstractMap.SimpleEntry<>(1, 1); |
| private final Map.Entry<Integer, Integer> ENTRY_CONFLICT_RESOLUTION_LOSER = |
| new AbstractMap.SimpleEntry<>(1, 2); |
| |
| @Before |
| public void setupMultiSite() throws Exception { |
| Properties props = new Properties(); |
| props.setProperty(DISTRIBUTED_SYSTEM_ID, DISTRIBUTED_SYSTEM_ID_SITE1); |
| MemberVM locator1Site1 = clusterStartupRule.startLocatorVM(0, props); |
| MemberVM locator2Site1 = clusterStartupRule.startLocatorVM(1, props, locator1Site1.getPort()); |
| |
| // start servers for site #1 |
| server1Site1 = |
| clusterStartupRule.startServerVM(2, locator1Site1.getPort(), locator2Site1.getPort()); |
| server2Site1 = |
| clusterStartupRule.startServerVM(3, locator1Site1.getPort(), locator2Site1.getPort()); |
| connectGfshToSite(locator1Site1); |
| |
| // create partition region on site #1 |
| CommandStringBuilder regionCmd = new CommandStringBuilder(CliStrings.CREATE_REGION); |
| regionCmd.addOption(CliStrings.CREATE_REGION__REGION, REGION_NAME); |
| regionCmd.addOption(CliStrings.CREATE_REGION__REGIONSHORTCUT, "REPLICATE"); |
| |
| gfsh.executeAndAssertThat(regionCmd.toString()).statusIsSuccess(); |
| |
| String csb = new CommandStringBuilder(CliStrings.CREATE_GATEWAYRECEIVER) |
| .addOption(CliStrings.CREATE_GATEWAYRECEIVER__BINDADDRESS, "localhost") |
| .getCommandString(); |
| |
| gfsh.executeAndAssertThat(csb).statusIsSuccess(); |
| |
| server1Site1.invoke( |
| InternalConflictResolutionReplicateRegionWithSerialGwsDistributedTest::verifyReceiverState); |
| server2Site1.invoke( |
| InternalConflictResolutionReplicateRegionWithSerialGwsDistributedTest::verifyReceiverState); |
| |
| props.setProperty(DISTRIBUTED_SYSTEM_ID, DISTRIBUTED_SYSTEM_ID_SITE2); |
| props.setProperty(REMOTE_LOCATORS, |
| "localhost[" + locator1Site1.getPort() + "],localhost[" + locator2Site1.getPort() + "]"); |
| locator1Site2 = clusterStartupRule.startLocatorVM(5, props); |
| |
| // start servers for site #2 |
| server1Site2 = clusterStartupRule.startServerVM(6, locator1Site2.getPort()); |
| server2Site2 = clusterStartupRule.startServerVM(7, locator1Site2.getPort()); |
| |
| server2Site2Port = server2Site2.getPort(); |
| server1Site2Port = server1Site2.getPort(); |
| |
| // create gateway-sender on site #2 |
| connectGfshToSite(locator1Site2); |
| String command = new CommandStringBuilder(CliStrings.CREATE_GATEWAYSENDER) |
| .addOption(CliStrings.MEMBERS, server2Site2.getName()) |
| .addOption(CliStrings.CREATE_GATEWAYSENDER__ID, GATEWAY_SENDER_ID) |
| .addOption(CliStrings.CREATE_GATEWAYSENDER__REMOTEDISTRIBUTEDSYSTEMID, "1") |
| .addOption(CliStrings.CREATE_GATEWAYSENDER__PARALLEL, "false") |
| .addOption(CliStrings.CREATE_GATEWAYSENDER__ENABLEBATCHCONFLATION, "true") |
| .getCommandString(); |
| gfsh.executeAndAssertThat(command).statusIsSuccess(); |
| |
| verifyGatewaySenderState(server2Site2, false); |
| |
| executeGatewaySenderActionCommandSite2(CliStrings.PAUSE_GATEWAYSENDER); |
| |
| // create partition region on site #2 |
| regionCmd = new CommandStringBuilder(CliStrings.CREATE_REGION); |
| regionCmd.addOption(CliStrings.CREATE_REGION__REGION, REGION_NAME); |
| regionCmd.addOption(CliStrings.CREATE_REGION__REGIONSHORTCUT, "REPLICATE"); |
| regionCmd.addOption(CliStrings.CREATE_REGION__GATEWAYSENDERID, GATEWAY_SENDER_ID); |
| gfsh.executeAndAssertThat(regionCmd.toString()).statusIsSuccess(); |
| } |
| |
| @Test |
| public void testEventIsNotConflatedWhenConcurrentModificationIsDetected() throws Exception { |
| startClientToServer1Site2(server1Site2Port); |
| startClientToServer2Site2(server2Site2Port); |
| |
| clientConnectedToServer2Site2.invoke(() -> executePutOperation(ENTRY_INITIAL)); |
| waitUntilEventIsConsistentlyReplicatedAcrossServers(ENTRY_INITIAL, server1Site2, server2Site2); |
| |
| // Configure cache writer on server to delay writing of entry in order to provoke |
| // the internal conflict |
| server1Site2.invoke(() -> { |
| InternalRegion region = |
| ClusterStartupRule.getCache().getInternalRegionByPath("/" + REGION_NAME); |
| region.getAttributesMutator().setCacheWriter(new TestCacheWriterDelayWritingOfEntry( |
| ENTRY_CONFLICT_RESOLUTION_WINNER, ENTRY_CONFLICT_RESOLUTION_LOSER)); |
| }); |
| |
| clientConnectedToServer2Site2.invokeAsync(() -> executePutOperation( |
| ENTRY_CONFLICT_RESOLUTION_WINNER)); |
| |
| server1Site2.invoke(() -> await().untilAsserted(() -> assertThat( |
| InternalConflictResolutionReplicateRegionWithSerialGwsDistributedTest.ENTRY_CONFLICT_WINNER_HAS_REACHED_THE_REDUNDANT_SERVER) |
| .isTrue())); |
| |
| clientConnectedToServer1Site2.invokeAsync(() -> executePutOperation( |
| ENTRY_CONFLICT_RESOLUTION_LOSER)); |
| |
| // Check that expected entry has won the internal conflict resolution |
| waitUntilEventIsConsistentlyReplicatedAcrossServers(ENTRY_CONFLICT_RESOLUTION_WINNER, |
| server1Site2, |
| server2Site2); |
| |
| server2Site2.invoke( |
| InternalConflictResolutionReplicateRegionWithSerialGwsDistributedTest::awaitQueueSize); |
| executeGatewaySenderActionCommandSite2(CliStrings.RESUME_GATEWAYSENDER); |
| |
| // check that expected event is replicated to the remote cluster |
| waitUntilEventIsConsistentlyReplicatedAcrossServers(ENTRY_CONFLICT_RESOLUTION_WINNER, |
| server1Site1, |
| server2Site1); |
| } |
| |
| private void waitUntilEventIsConsistentlyReplicatedAcrossServers( |
| final Map.Entry<Integer, Integer> entry, |
| MemberVM... servers) { |
| await().untilAsserted(() -> isEventIsConsistentlyReplicatedAcrossServers(entry, servers)); |
| } |
| |
| private static void isEventIsConsistentlyReplicatedAcrossServers( |
| final Map.Entry<Integer, Integer> entry, |
| MemberVM... servers) { |
| for (MemberVM server : servers) { |
| assertThat(server.invoke(() -> doesEventExistOnServer(entry))).isTrue(); |
| } |
| } |
| |
| private static boolean doesEventExistOnServer(Map.Entry<Integer, Integer> entry) { |
| Region<Integer, Integer> region = |
| ClusterStartupRule.getCache().getRegion("/" + REGION_NAME); |
| return Objects.equals(region.get(entry.getKey()), entry.getValue()); |
| } |
| |
| private void executeGatewaySenderActionCommandSite2(final String action) throws Exception { |
| connectGfshToSite(locator1Site2); |
| CommandStringBuilder regionCmd = new CommandStringBuilder(action); |
| regionCmd.addOption(CliStrings.MEMBERS, server2Site2.getName()); |
| regionCmd.addOption(CliStrings.PAUSE_GATEWAYSENDER__ID, GATEWAY_SENDER_ID); |
| gfsh.executeAndAssertThat(regionCmd.toString()).statusIsSuccess(); |
| |
| verifyGatewaySenderState(server2Site2, CliStrings.PAUSE_GATEWAYSENDER.equals(action)); |
| } |
| |
| private void executePutOperation(Map.Entry<Integer, Integer> entry) { |
| Region<Integer, Integer> region = |
| ClusterStartupRule.clientCacheRule.getCache().getRegion(REGION_NAME); |
| region.put(entry.getKey(), entry.getValue()); |
| } |
| |
| private static void awaitQueueSize() { |
| await() |
| .untilAsserted(() -> validateQueueSize( |
| InternalConflictResolutionReplicateRegionWithSerialGwsDistributedTest.GATEWAY_SENDER_ID, |
| 3)); |
| } |
| |
| private static void validateQueueSize(String senderId, int numQueueEntries) { |
| GatewaySender sender = ClusterStartupRule.getCache().getGatewaySender(senderId); |
| Set<RegionQueue> queues = ((AbstractGatewaySender) sender).getQueues(); |
| int size = 0; |
| for (RegionQueue q : queues) { |
| size += q.size(); |
| } |
| assertThat(size).isEqualTo(numQueueEntries); |
| } |
| |
| private static void verifyReceiverState() { |
| Set<GatewayReceiver> receivers = ClusterStartupRule.getCache().getGatewayReceivers(); |
| for (GatewayReceiver receiver : receivers) { |
| assertThat(receiver.isRunning()).isEqualTo(true); |
| } |
| } |
| |
| private void verifyGatewaySenderState(MemberVM memberVM, boolean isPaused) { |
| memberVM.invoke(() -> verifySenderState(GATEWAY_SENDER_ID, true, isPaused)); |
| locator1Site2.invoke( |
| () -> validateGatewaySenderMXBeanProxy(getMember(memberVM.getVM()), GATEWAY_SENDER_ID, true, |
| isPaused)); |
| } |
| |
| private static InternalDistributedMember getMember(final VM vm) { |
| return vm.invoke(() -> ClusterStartupRule.getCache().getMyId()); |
| } |
| |
| private void startClientToServer1Site2(final int serverPort) throws Exception { |
| clientConnectedToServer1Site2 = |
| clusterStartupRule.startClientVM(8, c -> c.withServerConnection(serverPort)); |
| clientConnectedToServer1Site2.invoke(() -> { |
| ClusterStartupRule.clientCacheRule.createProxyRegion(REGION_NAME); |
| }); |
| } |
| |
| private void startClientToServer2Site2(final int serverPort) throws Exception { |
| clientConnectedToServer2Site2 = |
| clusterStartupRule.startClientVM(4, c -> c.withServerConnection(serverPort)); |
| clientConnectedToServer2Site2.invoke(() -> { |
| ClusterStartupRule.clientCacheRule.createProxyRegion(REGION_NAME); |
| }); |
| } |
| |
| private void connectGfshToSite(MemberVM locator) throws Exception { |
| if (gfsh.isConnected()) { |
| gfsh.disconnect(); |
| } |
| gfsh.connectAndVerify(locator); |
| } |
| |
| public static class TestCacheWriterDelayWritingOfEntry<K, V> implements CacheWriter<K, V> { |
| private final Map.Entry<Integer, Integer> entryToDelay; |
| |
| private final Map.Entry<Integer, Integer> waitUntilEntry; |
| |
| public TestCacheWriterDelayWritingOfEntry(Map.Entry<Integer, Integer> entryToDelay, |
| Map.Entry<Integer, Integer> waitUntilEntry) { |
| this.entryToDelay = entryToDelay; |
| this.waitUntilEntry = waitUntilEntry; |
| } |
| |
| @Override |
| public void beforeUpdate(EntryEvent<K, V> event) throws CacheWriterException { |
| Region<Integer, Integer> region = ClusterStartupRule.getCache().getRegion("/" + REGION_NAME); |
| int value = (Integer) event.getNewValue(); |
| int key = (Integer) event.getKey(); |
| if (key == entryToDelay.getKey() && value == entryToDelay.getValue()) { |
| InternalConflictResolutionReplicateRegionWithSerialGwsDistributedTest.ENTRY_CONFLICT_WINNER_HAS_REACHED_THE_REDUNDANT_SERVER = |
| true; |
| await().untilAsserted(() -> assertThat(region.get(waitUntilEntry.getKey())) |
| .isEqualTo(waitUntilEntry.getValue())); |
| } |
| } |
| |
| @Override |
| public void beforeCreate(EntryEvent<K, V> event) throws CacheWriterException {} |
| |
| @Override |
| public void beforeDestroy(EntryEvent<K, V> event) throws CacheWriterException {} |
| |
| @Override |
| public void beforeRegionDestroy(RegionEvent<K, V> event) throws CacheWriterException {} |
| |
| @Override |
| public void beforeRegionClear(RegionEvent<K, V> event) throws CacheWriterException {} |
| } |
| } |