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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.accumulo.test.replication;
import static org.apache.accumulo.fate.util.UtilWaitThread.sleepUninterruptibly;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertFalse;
import static org.junit.Assert.assertNotEquals;
import static org.junit.Assert.assertNotNull;
import static org.junit.Assert.assertTrue;
import static org.junit.Assert.fail;
import java.util.HashMap;
import java.util.Iterator;
import java.util.Map;
import java.util.Map.Entry;
import java.util.Set;
import java.util.concurrent.ExecutorService;
import java.util.concurrent.Executors;
import java.util.concurrent.Future;
import java.util.concurrent.TimeUnit;
import java.util.concurrent.TimeoutException;
import org.apache.accumulo.core.client.Accumulo;
import org.apache.accumulo.core.client.AccumuloClient;
import org.apache.accumulo.core.client.BatchWriter;
import org.apache.accumulo.core.client.Scanner;
import org.apache.accumulo.core.client.admin.NewTableConfiguration;
import org.apache.accumulo.core.client.security.tokens.PasswordToken;
import org.apache.accumulo.core.conf.ClientProperty;
import org.apache.accumulo.core.conf.Property;
import org.apache.accumulo.core.data.Key;
import org.apache.accumulo.core.data.Mutation;
import org.apache.accumulo.core.data.PartialKey;
import org.apache.accumulo.core.data.Value;
import org.apache.accumulo.core.metadata.MetadataTable;
import org.apache.accumulo.core.metadata.schema.MetadataSchema.ReplicationSection;
import org.apache.accumulo.core.protobuf.ProtobufUtil;
import org.apache.accumulo.core.replication.ReplicationSchema.WorkSection;
import org.apache.accumulo.core.replication.ReplicationTable;
import org.apache.accumulo.core.security.Authorizations;
import org.apache.accumulo.core.security.TablePermission;
import org.apache.accumulo.manager.replication.SequentialWorkAssigner;
import org.apache.accumulo.minicluster.ServerType;
import org.apache.accumulo.miniclusterImpl.MiniAccumuloClusterImpl;
import org.apache.accumulo.miniclusterImpl.MiniAccumuloConfigImpl;
import org.apache.accumulo.miniclusterImpl.ProcessReference;
import org.apache.accumulo.server.replication.ReplicaSystemFactory;
import org.apache.accumulo.server.replication.StatusUtil;
import org.apache.accumulo.server.replication.proto.Replication.Status;
import org.apache.accumulo.test.functional.ConfigurableMacBase;
import org.apache.accumulo.tserver.TabletServer;
import org.apache.accumulo.tserver.replication.AccumuloReplicaSystem;
import org.apache.hadoop.conf.Configuration;
import org.apache.hadoop.fs.RawLocalFileSystem;
import org.junit.After;
import org.junit.Before;
import org.junit.Ignore;
import org.junit.Test;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import com.google.common.collect.Iterators;
/**
* Replication tests which start at least two MAC instances and replicate data between them
*/
@Ignore("Replication ITs are not stable and not currently maintained")
public class MultiInstanceReplicationIT extends ConfigurableMacBase {
private static final Logger log = LoggerFactory.getLogger(MultiInstanceReplicationIT.class);
private ExecutorService executor;
@Override
public int defaultTimeoutSeconds() {
return 15 * 60;
}
@Before
public void createExecutor() {
executor = Executors.newSingleThreadExecutor();
}
@After
public void stopExecutor() {
if (executor != null) {
executor.shutdownNow();
}
}
@Override
public void configure(MiniAccumuloConfigImpl cfg, Configuration hadoopCoreSite) {
cfg.setNumTservers(1);
cfg.setClientProperty(ClientProperty.INSTANCE_ZOOKEEPERS_TIMEOUT, "15s");
cfg.setProperty(Property.INSTANCE_ZK_TIMEOUT, "15s");
cfg.setProperty(Property.TSERV_WALOG_MAX_SIZE, "2M");
cfg.setProperty(Property.GC_CYCLE_START, "1s");
cfg.setProperty(Property.GC_CYCLE_DELAY, "5s");
cfg.setProperty(Property.REPLICATION_WORK_ASSIGNMENT_SLEEP, "1s");
cfg.setProperty(Property.MANAGER_REPLICATION_SCAN_INTERVAL, "1s");
cfg.setProperty(Property.REPLICATION_MAX_UNIT_SIZE, "8M");
cfg.setProperty(Property.REPLICATION_NAME, "manager");
cfg.setProperty(Property.REPLICATION_WORK_ASSIGNER, SequentialWorkAssigner.class.getName());
cfg.setProperty(Property.TSERV_TOTAL_MUTATION_QUEUE_MAX, "1M");
hadoopCoreSite.set("fs.file.impl", RawLocalFileSystem.class.getName());
}
/**
* Use the same SSL and credential provider configuration that is set up by AbstractMacIT for the
* other MAC used for replication
*/
private void updatePeerConfigFromPrimary(MiniAccumuloConfigImpl primaryCfg,
MiniAccumuloConfigImpl peerCfg) {
// Set the same SSL information from the primary when present
Map<String,String> primarySiteConfig = primaryCfg.getSiteConfig();
if ("true".equals(primarySiteConfig.get(Property.INSTANCE_RPC_SSL_ENABLED.getKey()))) {
Map<String,String> peerSiteConfig = new HashMap<>();
peerSiteConfig.put(Property.INSTANCE_RPC_SSL_ENABLED.getKey(), "true");
String keystorePath = primarySiteConfig.get(Property.RPC_SSL_KEYSTORE_PATH.getKey());
assertNotNull("Keystore Path was null", keystorePath);
peerSiteConfig.put(Property.RPC_SSL_KEYSTORE_PATH.getKey(), keystorePath);
String truststorePath = primarySiteConfig.get(Property.RPC_SSL_TRUSTSTORE_PATH.getKey());
assertNotNull("Truststore Path was null", truststorePath);
peerSiteConfig.put(Property.RPC_SSL_TRUSTSTORE_PATH.getKey(), truststorePath);
// Passwords might be stored in CredentialProvider
String keystorePassword = primarySiteConfig.get(Property.RPC_SSL_KEYSTORE_PASSWORD.getKey());
if (keystorePassword != null) {
peerSiteConfig.put(Property.RPC_SSL_KEYSTORE_PASSWORD.getKey(), keystorePassword);
}
String truststorePassword =
primarySiteConfig.get(Property.RPC_SSL_TRUSTSTORE_PASSWORD.getKey());
if (truststorePassword != null) {
peerSiteConfig.put(Property.RPC_SSL_TRUSTSTORE_PASSWORD.getKey(), truststorePassword);
}
System.out.println("Setting site configuration for peer " + peerSiteConfig);
peerCfg.setSiteConfig(peerSiteConfig);
}
// Use the CredentialProvider if the primary also uses one
String credProvider =
primarySiteConfig.get(Property.GENERAL_SECURITY_CREDENTIAL_PROVIDER_PATHS.getKey());
if (credProvider != null) {
Map<String,String> peerSiteConfig = peerCfg.getSiteConfig();
peerSiteConfig.put(Property.GENERAL_SECURITY_CREDENTIAL_PROVIDER_PATHS.getKey(),
credProvider);
peerCfg.setSiteConfig(peerSiteConfig);
}
}
@Test
public void dataWasReplicatedToThePeer() throws Exception {
MiniAccumuloConfigImpl peerCfg = new MiniAccumuloConfigImpl(
createTestDir(this.getClass().getName() + "_" + this.testName.getMethodName() + "_peer"),
ROOT_PASSWORD);
peerCfg.setNumTservers(1);
peerCfg.setInstanceName("peer");
peerCfg.setProperty(Property.REPLICATION_NAME, "peer");
updatePeerConfigFromPrimary(getCluster().getConfig(), peerCfg);
MiniAccumuloClusterImpl peerCluster = new MiniAccumuloClusterImpl(peerCfg);
peerCluster.start();
try (AccumuloClient clientManager = Accumulo.newClient().from(getClientProperties()).build();
AccumuloClient clientPeer =
peerCluster.createAccumuloClient("root", new PasswordToken(ROOT_PASSWORD))) {
ReplicationTable.setOnline(clientManager);
String peerUserName = "peer", peerPassword = "foo";
String peerClusterName = "peer";
clientPeer.securityOperations().createLocalUser(peerUserName,
new PasswordToken(peerPassword));
clientManager.instanceOperations()
.setProperty(Property.REPLICATION_PEER_USER.getKey() + peerClusterName, peerUserName);
clientManager.instanceOperations()
.setProperty(Property.REPLICATION_PEER_PASSWORD.getKey() + peerClusterName, peerPassword);
// ...peer = AccumuloReplicaSystem,instanceName,zookeepers
clientManager.instanceOperations().setProperty(
Property.REPLICATION_PEERS.getKey() + peerClusterName,
ReplicaSystemFactory.getPeerConfigurationValue(AccumuloReplicaSystem.class,
AccumuloReplicaSystem.buildConfiguration(peerCluster.getInstanceName(),
peerCluster.getZooKeepers())));
final String managerTable = "manager", peerTable = "peer";
clientPeer.tableOperations().create(peerTable, new NewTableConfiguration());
String peerTableId = clientPeer.tableOperations().tableIdMap().get(peerTable);
assertNotNull(peerTableId);
clientPeer.securityOperations().grantTablePermission(peerUserName, peerTable,
TablePermission.WRITE);
// Replicate this table to the peerClusterName in a table with the peerTableId table id
Map<String,String> props = new HashMap<>();
props.put(Property.TABLE_REPLICATION.getKey(), "true");
props.put(Property.TABLE_REPLICATION_TARGET.getKey() + peerClusterName, peerTableId);
clientManager.tableOperations().create(managerTable,
new NewTableConfiguration().setProperties(props));
String managerTableId = clientManager.tableOperations().tableIdMap().get(managerTable);
assertNotNull(managerTableId);
// Write some data to table1
try (BatchWriter bw = clientManager.createBatchWriter(managerTable)) {
for (int rows = 0; rows < 5000; rows++) {
Mutation m = new Mutation(Integer.toString(rows));
for (int cols = 0; cols < 100; cols++) {
String value = Integer.toString(cols);
m.put(value, "", value);
}
bw.addMutation(m);
}
}
log.info("Wrote all data to manager cluster");
final Set<String> filesNeedingReplication =
clientManager.replicationOperations().referencedFiles(managerTable);
log.info("Files to replicate: " + filesNeedingReplication);
for (ProcessReference proc : cluster.getProcesses().get(ServerType.TABLET_SERVER)) {
cluster.killProcess(ServerType.TABLET_SERVER, proc);
}
cluster.exec(TabletServer.class);
log.info("TabletServer restarted");
Iterators.size(ReplicationTable.getScanner(clientManager).iterator());
log.info("TabletServer is online");
while (!ReplicationTable.isOnline(clientManager)) {
log.info("Replication table still offline, waiting");
Thread.sleep(5000);
}
log.info("");
log.info("Fetching metadata records:");
try (var scanner = clientManager.createScanner(MetadataTable.NAME, Authorizations.EMPTY)) {
for (Entry<Key,Value> kv : scanner) {
if (ReplicationSection.COLF.equals(kv.getKey().getColumnFamily())) {
log.info("{} {}", kv.getKey().toStringNoTruncate(),
ProtobufUtil.toString(Status.parseFrom(kv.getValue().get())));
} else {
log.info("{} {}", kv.getKey().toStringNoTruncate(), kv.getValue());
}
}
}
log.info("");
log.info("Fetching replication records:");
try (var scanner = ReplicationTable.getScanner(clientManager)) {
for (Entry<Key,Value> kv : scanner) {
log.info("{} {}", kv.getKey().toStringNoTruncate(),
ProtobufUtil.toString(Status.parseFrom(kv.getValue().get())));
}
}
Future<Boolean> future = executor.submit(() -> {
long then = System.currentTimeMillis();
clientManager.replicationOperations().drain(managerTable, filesNeedingReplication);
long now = System.currentTimeMillis();
log.info("Drain completed in " + (now - then) + "ms");
return true;
});
try {
future.get(60, TimeUnit.SECONDS);
} catch (TimeoutException e) {
future.cancel(true);
fail("Drain did not finish within 60 seconds");
} finally {
executor.shutdownNow();
}
log.info("drain completed");
log.info("");
log.info("Fetching metadata records:");
try (var scanner = clientManager.createScanner(MetadataTable.NAME, Authorizations.EMPTY)) {
for (Entry<Key,Value> kv : scanner) {
if (ReplicationSection.COLF.equals(kv.getKey().getColumnFamily())) {
log.info("{} {}", kv.getKey().toStringNoTruncate(),
ProtobufUtil.toString(Status.parseFrom(kv.getValue().get())));
} else {
log.info("{} {}", kv.getKey().toStringNoTruncate(), kv.getValue());
}
}
}
log.info("");
log.info("Fetching replication records:");
try (var scanner = ReplicationTable.getScanner(clientManager)) {
for (Entry<Key,Value> kv : scanner) {
log.info("{} {}", kv.getKey().toStringNoTruncate(),
ProtobufUtil.toString(Status.parseFrom(kv.getValue().get())));
}
}
try (Scanner manager = clientManager.createScanner(managerTable, Authorizations.EMPTY);
Scanner peer = clientPeer.createScanner(peerTable, Authorizations.EMPTY)) {
Iterator<Entry<Key,Value>> managerIter = manager.iterator(), peerIter = peer.iterator();
Entry<Key,Value> managerEntry = null, peerEntry = null;
while (managerIter.hasNext() && peerIter.hasNext()) {
managerEntry = managerIter.next();
peerEntry = peerIter.next();
assertEquals(managerEntry.getKey() + " was not equal to " + peerEntry.getKey(), 0,
managerEntry.getKey().compareTo(peerEntry.getKey(),
PartialKey.ROW_COLFAM_COLQUAL_COLVIS));
assertEquals(managerEntry.getValue(), peerEntry.getValue());
}
log.info("Last manager entry: {}", managerEntry);
log.info("Last peer entry: {}", peerEntry);
assertFalse("Had more data to read from the manager", managerIter.hasNext());
assertFalse("Had more data to read from the peer", peerIter.hasNext());
}
} finally {
peerCluster.stop();
}
}
@Test
public void dataReplicatedToCorrectTable() throws Exception {
MiniAccumuloConfigImpl peerCfg = new MiniAccumuloConfigImpl(
createTestDir(this.getClass().getName() + "_" + this.testName.getMethodName() + "_peer"),
ROOT_PASSWORD);
peerCfg.setNumTservers(1);
peerCfg.setInstanceName("peer");
peerCfg.setProperty(Property.REPLICATION_NAME, "peer");
updatePeerConfigFromPrimary(getCluster().getConfig(), peerCfg);
MiniAccumuloClusterImpl peer1Cluster = new MiniAccumuloClusterImpl(peerCfg);
peer1Cluster.start();
try (AccumuloClient clientManager = Accumulo.newClient().from(getClientProperties()).build();
AccumuloClient clientPeer =
peer1Cluster.createAccumuloClient("root", new PasswordToken(ROOT_PASSWORD))) {
String peerClusterName = "peer";
String peerUserName = "peer", peerPassword = "foo";
// Create local user
clientPeer.securityOperations().createLocalUser(peerUserName,
new PasswordToken(peerPassword));
clientManager.instanceOperations()
.setProperty(Property.REPLICATION_PEER_USER.getKey() + peerClusterName, peerUserName);
clientManager.instanceOperations()
.setProperty(Property.REPLICATION_PEER_PASSWORD.getKey() + peerClusterName, peerPassword);
// ...peer = AccumuloReplicaSystem,instanceName,zookeepers
clientManager.instanceOperations().setProperty(
Property.REPLICATION_PEERS.getKey() + peerClusterName,
ReplicaSystemFactory.getPeerConfigurationValue(AccumuloReplicaSystem.class,
AccumuloReplicaSystem.buildConfiguration(peer1Cluster.getInstanceName(),
peer1Cluster.getZooKeepers())));
String managerTable1 = "manager1", peerTable1 = "peer1", managerTable2 = "manager2",
peerTable2 = "peer2";
// Create tables
clientPeer.tableOperations().create(peerTable1, new NewTableConfiguration());
String peerTableId1 = clientPeer.tableOperations().tableIdMap().get(peerTable1);
assertNotNull(peerTableId1);
clientPeer.tableOperations().create(peerTable2, new NewTableConfiguration());
String peerTableId2 = clientPeer.tableOperations().tableIdMap().get(peerTable2);
assertNotNull(peerTableId2);
Map<String,String> props1 = new HashMap<>();
props1.put(Property.TABLE_REPLICATION.getKey(), "true");
props1.put(Property.TABLE_REPLICATION_TARGET.getKey() + peerClusterName, peerTableId1);
clientManager.tableOperations().create(managerTable1,
new NewTableConfiguration().setProperties(props1));
String managerTableId1 = clientManager.tableOperations().tableIdMap().get(managerTable1);
assertNotNull(managerTableId1);
Map<String,String> props2 = new HashMap<>();
props2.put(Property.TABLE_REPLICATION.getKey(), "true");
props2.put(Property.TABLE_REPLICATION_TARGET.getKey() + peerClusterName, peerTableId2);
clientManager.tableOperations().create(managerTable2,
new NewTableConfiguration().setProperties(props2));
String managerTableId2 = clientManager.tableOperations().tableIdMap().get(managerTable2);
assertNotNull(managerTableId2);
// Give our replication user the ability to write to the tables
clientPeer.securityOperations().grantTablePermission(peerUserName, peerTable1,
TablePermission.WRITE);
clientPeer.securityOperations().grantTablePermission(peerUserName, peerTable2,
TablePermission.WRITE);
// Write some data to table1
long managerTable1Records = 0L;
try (BatchWriter bw = clientManager.createBatchWriter(managerTable1)) {
for (int rows = 0; rows < 2500; rows++) {
Mutation m = new Mutation(managerTable1 + rows);
for (int cols = 0; cols < 100; cols++) {
String value = Integer.toString(cols);
m.put(value, "", value);
managerTable1Records++;
}
bw.addMutation(m);
}
}
// Write some data to table2
long managerTable2Records = 0L;
try (BatchWriter bw = clientManager.createBatchWriter(managerTable2)) {
for (int rows = 0; rows < 2500; rows++) {
Mutation m = new Mutation(managerTable2 + rows);
for (int cols = 0; cols < 100; cols++) {
String value = Integer.toString(cols);
m.put(value, "", value);
managerTable2Records++;
}
bw.addMutation(m);
}
}
log.info("Wrote all data to manager cluster");
Set<String> filesFor1 = clientManager.replicationOperations().referencedFiles(managerTable1),
filesFor2 = clientManager.replicationOperations().referencedFiles(managerTable2);
log.info("Files to replicate for table1: " + filesFor1);
log.info("Files to replicate for table2: " + filesFor2);
// Restart the tserver to force a close on the WAL
for (ProcessReference proc : cluster.getProcesses().get(ServerType.TABLET_SERVER)) {
cluster.killProcess(ServerType.TABLET_SERVER, proc);
}
cluster.exec(TabletServer.class);
log.info("Restarted the tserver");
// Read the data -- the tserver is back up and running
Iterators.size(clientManager.createScanner(managerTable1, Authorizations.EMPTY).iterator());
while (!ReplicationTable.isOnline(clientManager)) {
log.info("Replication table still offline, waiting");
Thread.sleep(5000);
}
// Wait for both tables to be replicated
log.info("Waiting for {} for {}", filesFor1, managerTable1);
clientManager.replicationOperations().drain(managerTable1, filesFor1);
log.info("Waiting for {} for {}", filesFor2, managerTable2);
clientManager.replicationOperations().drain(managerTable2, filesFor2);
long countTable = 0L;
try (var scanner = clientPeer.createScanner(peerTable1, Authorizations.EMPTY)) {
for (Entry<Key,Value> entry : scanner) {
countTable++;
assertTrue("Found unexpected key-value" + entry.getKey().toStringNoTruncate() + " "
+ entry.getValue(), entry.getKey().getRow().toString().startsWith(managerTable1));
}
}
log.info("Found {} records in {}", countTable, peerTable1);
assertEquals(managerTable1Records, countTable);
countTable = 0L;
try (var scanner = clientPeer.createScanner(peerTable2, Authorizations.EMPTY)) {
for (Entry<Key,Value> entry : scanner) {
countTable++;
assertTrue("Found unexpected key-value" + entry.getKey().toStringNoTruncate() + " "
+ entry.getValue(), entry.getKey().getRow().toString().startsWith(managerTable2));
}
}
log.info("Found {} records in {}", countTable, peerTable2);
assertEquals(managerTable2Records, countTable);
} finally {
peer1Cluster.stop();
}
}
@Test
public void dataWasReplicatedToThePeerWithoutDrain() throws Exception {
MiniAccumuloConfigImpl peerCfg = new MiniAccumuloConfigImpl(
createTestDir(this.getClass().getName() + "_" + this.testName.getMethodName() + "_peer"),
ROOT_PASSWORD);
peerCfg.setNumTservers(1);
peerCfg.setInstanceName("peer");
peerCfg.setProperty(Property.REPLICATION_NAME, "peer");
updatePeerConfigFromPrimary(getCluster().getConfig(), peerCfg);
MiniAccumuloClusterImpl peerCluster = new MiniAccumuloClusterImpl(peerCfg);
peerCluster.start();
try (AccumuloClient clientManager = Accumulo.newClient().from(getClientProperties()).build();
AccumuloClient clientPeer =
peerCluster.createAccumuloClient("root", new PasswordToken(ROOT_PASSWORD))) {
String peerUserName = "repl";
String peerPassword = "passwd";
// Create a user on the peer for replication to use
clientPeer.securityOperations().createLocalUser(peerUserName,
new PasswordToken(peerPassword));
String peerClusterName = "peer";
// ...peer = AccumuloReplicaSystem,instanceName,zookeepers
clientManager.instanceOperations().setProperty(
Property.REPLICATION_PEERS.getKey() + peerClusterName,
ReplicaSystemFactory.getPeerConfigurationValue(AccumuloReplicaSystem.class,
AccumuloReplicaSystem.buildConfiguration(peerCluster.getInstanceName(),
peerCluster.getZooKeepers())));
// Configure the credentials we should use to authenticate ourselves to the peer for
// replication
clientManager.instanceOperations()
.setProperty(Property.REPLICATION_PEER_USER.getKey() + peerClusterName, peerUserName);
clientManager.instanceOperations()
.setProperty(Property.REPLICATION_PEER_PASSWORD.getKey() + peerClusterName, peerPassword);
String managerTable = "manager", peerTable = "peer";
clientPeer.tableOperations().create(peerTable, new NewTableConfiguration());
String peerTableId = clientPeer.tableOperations().tableIdMap().get(peerTable);
assertNotNull(peerTableId);
// Give our replication user the ability to write to the table
clientPeer.securityOperations().grantTablePermission(peerUserName, peerTable,
TablePermission.WRITE);
Map<String,String> props = new HashMap<>();
props.put(Property.TABLE_REPLICATION.getKey(), "true");
// Replicate this table to the peerClusterName in a table with the peerTableId table id
props.put(Property.TABLE_REPLICATION_TARGET.getKey() + peerClusterName, peerTableId);
clientManager.tableOperations().create(managerTable,
new NewTableConfiguration().setProperties(props));
String managerTableId = clientManager.tableOperations().tableIdMap().get(managerTable);
assertNotNull(managerTableId);
// Write some data to table1
try (BatchWriter bw = clientManager.createBatchWriter(managerTable)) {
for (int rows = 0; rows < 5000; rows++) {
Mutation m = new Mutation(Integer.toString(rows));
for (int cols = 0; cols < 100; cols++) {
String value = Integer.toString(cols);
m.put(value, "", value);
}
bw.addMutation(m);
}
}
log.info("Wrote all data to manager cluster");
Set<String> files = clientManager.replicationOperations().referencedFiles(managerTable);
log.info("Files to replicate:" + files);
for (ProcessReference proc : cluster.getProcesses().get(ServerType.TABLET_SERVER)) {
cluster.killProcess(ServerType.TABLET_SERVER, proc);
}
cluster.exec(TabletServer.class);
while (!ReplicationTable.isOnline(clientManager)) {
log.info("Replication table still offline, waiting");
Thread.sleep(5000);
}
Iterators.size(clientManager.createScanner(managerTable, Authorizations.EMPTY).iterator());
try (var scanner = ReplicationTable.getScanner(clientManager)) {
for (Entry<Key,Value> kv : scanner) {
log.debug("{} {}", kv.getKey().toStringNoTruncate(),
ProtobufUtil.toString(Status.parseFrom(kv.getValue().get())));
}
}
clientManager.replicationOperations().drain(managerTable, files);
try (Scanner manager = clientManager.createScanner(managerTable, Authorizations.EMPTY);
Scanner peer = clientPeer.createScanner(peerTable, Authorizations.EMPTY)) {
Iterator<Entry<Key,Value>> managerIter = manager.iterator(), peerIter = peer.iterator();
while (managerIter.hasNext() && peerIter.hasNext()) {
Entry<Key,Value> managerEntry = managerIter.next(), peerEntry = peerIter.next();
assertEquals(peerEntry.getKey() + " was not equal to " + peerEntry.getKey(), 0,
managerEntry.getKey().compareTo(peerEntry.getKey(),
PartialKey.ROW_COLFAM_COLQUAL_COLVIS));
assertEquals(managerEntry.getValue(), peerEntry.getValue());
}
assertFalse("Had more data to read from the manager", managerIter.hasNext());
assertFalse("Had more data to read from the peer", peerIter.hasNext());
}
} finally {
peerCluster.stop();
}
}
@Test
public void dataReplicatedToCorrectTableWithoutDrain() throws Exception {
MiniAccumuloConfigImpl peerCfg = new MiniAccumuloConfigImpl(
createTestDir(this.getClass().getName() + "_" + this.testName.getMethodName() + "_peer"),
ROOT_PASSWORD);
peerCfg.setNumTservers(1);
peerCfg.setInstanceName("peer");
peerCfg.setProperty(Property.REPLICATION_NAME, "peer");
updatePeerConfigFromPrimary(getCluster().getConfig(), peerCfg);
MiniAccumuloClusterImpl peer1Cluster = new MiniAccumuloClusterImpl(peerCfg);
peer1Cluster.start();
try (AccumuloClient clientManager = Accumulo.newClient().from(getClientProperties()).build();
AccumuloClient clientPeer =
peer1Cluster.createAccumuloClient("root", new PasswordToken(ROOT_PASSWORD))) {
String peerClusterName = "peer";
String peerUserName = "repl";
String peerPassword = "passwd";
// Create a user on the peer for replication to use
clientPeer.securityOperations().createLocalUser(peerUserName,
new PasswordToken(peerPassword));
// Configure the credentials we should use to authenticate ourselves to the peer for
// replication
clientManager.instanceOperations()
.setProperty(Property.REPLICATION_PEER_USER.getKey() + peerClusterName, peerUserName);
clientManager.instanceOperations()
.setProperty(Property.REPLICATION_PEER_PASSWORD.getKey() + peerClusterName, peerPassword);
// ...peer = AccumuloReplicaSystem,instanceName,zookeepers
clientManager.instanceOperations().setProperty(
Property.REPLICATION_PEERS.getKey() + peerClusterName,
ReplicaSystemFactory.getPeerConfigurationValue(AccumuloReplicaSystem.class,
AccumuloReplicaSystem.buildConfiguration(peer1Cluster.getInstanceName(),
peer1Cluster.getZooKeepers())));
String managerTable1 = "manager1", peerTable1 = "peer1", managerTable2 = "manager2",
peerTable2 = "peer2";
// Create tables
clientPeer.tableOperations().create(peerTable1, new NewTableConfiguration());
String peerTableId1 = clientPeer.tableOperations().tableIdMap().get(peerTable1);
assertNotNull(peerTableId1);
clientPeer.tableOperations().create(peerTable2, new NewTableConfiguration());
String peerTableId2 = clientPeer.tableOperations().tableIdMap().get(peerTable2);
assertNotNull(peerTableId2);
Map<String,String> props1 = new HashMap<>();
props1.put(Property.TABLE_REPLICATION.getKey(), "true");
props1.put(Property.TABLE_REPLICATION_TARGET.getKey() + peerClusterName, peerTableId2);
clientManager.tableOperations().create(managerTable1,
new NewTableConfiguration().setProperties(props1));
String managerTableId1 = clientManager.tableOperations().tableIdMap().get(managerTable1);
assertNotNull(managerTableId1);
Map<String,String> props2 = new HashMap<>();
props2.put(Property.TABLE_REPLICATION.getKey(), "true");
props2.put(Property.TABLE_REPLICATION_TARGET.getKey() + peerClusterName, peerTableId2);
clientManager.tableOperations().create(managerTable2,
new NewTableConfiguration().setProperties(props2));
String managerTableId2 = clientManager.tableOperations().tableIdMap().get(managerTable2);
assertNotNull(managerTableId2);
// Give our replication user the ability to write to the tables
clientPeer.securityOperations().grantTablePermission(peerUserName, peerTable1,
TablePermission.WRITE);
clientPeer.securityOperations().grantTablePermission(peerUserName, peerTable2,
TablePermission.WRITE);
// Replicate this table to the peerClusterName in a table with the peerTableId table id
clientManager.tableOperations().setProperty(managerTable1,
Property.TABLE_REPLICATION_TARGET.getKey() + peerClusterName, peerTableId1);
clientManager.tableOperations().setProperty(managerTable2,
Property.TABLE_REPLICATION_TARGET.getKey() + peerClusterName, peerTableId2);
// Write some data to table1
try (BatchWriter bw = clientManager.createBatchWriter(managerTable1)) {
for (int rows = 0; rows < 2500; rows++) {
Mutation m = new Mutation(managerTable1 + rows);
for (int cols = 0; cols < 100; cols++) {
String value = Integer.toString(cols);
m.put(value, "", value);
}
bw.addMutation(m);
}
}
// Write some data to table2
try (BatchWriter bw = clientManager.createBatchWriter(managerTable2)) {
for (int rows = 0; rows < 2500; rows++) {
Mutation m = new Mutation(managerTable2 + rows);
for (int cols = 0; cols < 100; cols++) {
String value = Integer.toString(cols);
m.put(value, "", value);
}
bw.addMutation(m);
}
}
log.info("Wrote all data to manager cluster");
for (ProcessReference proc : cluster.getProcesses().get(ServerType.TABLET_SERVER)) {
cluster.killProcess(ServerType.TABLET_SERVER, proc);
}
cluster.exec(TabletServer.class);
while (!ReplicationTable.isOnline(clientManager)) {
log.info("Replication table still offline, waiting");
Thread.sleep(5000);
}
// Wait until we fully replicated something
boolean fullyReplicated = false;
for (int i = 0; i < 10 && !fullyReplicated; i++) {
sleepUninterruptibly(2, TimeUnit.SECONDS);
try (Scanner s = ReplicationTable.getScanner(clientManager)) {
WorkSection.limit(s);
for (Entry<Key,Value> entry : s) {
Status status = Status.parseFrom(entry.getValue().get());
if (StatusUtil.isFullyReplicated(status)) {
fullyReplicated |= true;
}
}
}
}
assertNotEquals(0, fullyReplicated);
// We have to wait for the manager to assign the replication work, a local tserver to process
// it, and then the remote tserver to replay it
// Be cautious in how quickly we assert that the data is present on the peer
long countTable = 0L;
for (int i = 0; i < 10; i++) {
for (Entry<Key,Value> entry : clientPeer.createScanner(peerTable1, Authorizations.EMPTY)) {
countTable++;
assertTrue("Found unexpected key-value" + entry.getKey().toStringNoTruncate() + " "
+ entry.getValue(), entry.getKey().getRow().toString().startsWith(managerTable1));
}
log.info("Found {} records in {}", countTable, peerTable1);
if (countTable == 0L) {
Thread.sleep(5000);
} else {
break;
}
}
assertTrue("Found no records in " + peerTable1 + " in the peer cluster", countTable > 0);
// We have to wait for the manager to assign the replication work, a local tserver to process
// it, and then the remote tserver to replay it
// Be cautious in how quickly we assert that the data is present on the peer
for (int i = 0; i < 10; i++) {
countTable = 0L;
for (Entry<Key,Value> entry : clientPeer.createScanner(peerTable2, Authorizations.EMPTY)) {
countTable++;
assertTrue("Found unexpected key-value" + entry.getKey().toStringNoTruncate() + " "
+ entry.getValue(), entry.getKey().getRow().toString().startsWith(managerTable2));
}
log.info("Found {} records in {}", countTable, peerTable2);
if (countTable == 0L) {
Thread.sleep(5000);
} else {
break;
}
}
assertTrue("Found no records in " + peerTable2 + " in the peer cluster", countTable > 0);
} finally {
peer1Cluster.stop();
}
}
}