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HDDS-1501 : Create a Recon task interface to update internal DB on updates from OM. (#819)

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This commit is contained in:
avijayanhwx 2019-05-23 15:34:55 -07:00 committed by Arpit Agarwal
parent 6a0e7dd454
commit 4b099b8b89
30 changed files with 1814 additions and 159 deletions
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14
hadoop-hdds/common/src/main/java/org/apache/hadoop/utils/db/DBStore.java
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@ -22,6 +22,7 @@
import java.io.File;
import java.io.IOException;
import java.util.ArrayList;
import java.util.Map;
import org.apache.hadoop.classification.InterfaceStability;
@ -158,4 +159,17 @@ <KEY, VALUE> void move(KEY sourceKey, KEY destKey, VALUE value,
* @return DB file location.
*/
File getDbLocation();
/**
* Get List of Index to Table Names.
* (For decoding table from column family index)
* @return Map of Index -> TableName
*/
Map<Integer, String> getTableNames();
/**
* Get Codec registry.
* @return codec registry.
*/
CodecRegistry getCodecRegistry();
}

8
hadoop-hdds/common/src/main/java/org/apache/hadoop/utils/db/DBStoreBuilder.java
View File

@ -57,7 +57,6 @@ public final class DBStoreBuilder {
private List<String> tableNames;
private Configuration configuration;
private CodecRegistry registry;
private boolean readOnly = false;
private DBStoreBuilder(Configuration configuration) {
tables = new HashSet<>();
@ -114,11 +113,6 @@ public DBStoreBuilder setPath(Path path) {
return this;
}
public DBStoreBuilder setReadOnly(boolean rdOnly) {
readOnly = rdOnly;
return this;
}
/**
* Builds a DBStore instance and returns that.
*
@ -137,7 +131,7 @@ public DBStore build() throws IOException {
if (!dbFile.getParentFile().exists()) {
throw new IOException("The DB destination directory should exist.");
}
return new RDBStore(dbFile, options, tables, registry, readOnly);
return new RDBStore(dbFile, options, tables, registry);
}
/**

40
hadoop-hdds/common/src/main/java/org/apache/hadoop/utils/db/RDBStore.java
View File

@ -64,15 +64,16 @@ public class RDBStore implements DBStore {
private ObjectName statMBeanName;
private RDBCheckpointManager checkPointManager;
private String checkpointsParentDir;
private List<ColumnFamilyHandle> columnFamilyHandles;
@VisibleForTesting
public RDBStore(File dbFile, DBOptions options,
Set<TableConfig> families) throws IOException {
this(dbFile, options, families, new CodecRegistry(), false);
this(dbFile, options, families, new CodecRegistry());
}
public RDBStore(File dbFile, DBOptions options, Set<TableConfig> families,
CodecRegistry registry, boolean readOnly)
CodecRegistry registry)
throws IOException {
Preconditions.checkNotNull(dbFile, "DB file location cannot be null");
Preconditions.checkNotNull(families);
@ -81,7 +82,7 @@ public RDBStore(File dbFile, DBOptions options, Set<TableConfig> families,
codecRegistry = registry;
final List<ColumnFamilyDescriptor> columnFamilyDescriptors =
new ArrayList<>();
final List<ColumnFamilyHandle> columnFamilyHandles = new ArrayList<>();
columnFamilyHandles = new ArrayList<>();
for (TableConfig family : families) {
columnFamilyDescriptors.add(family.getDescriptor());
@ -93,13 +94,8 @@ public RDBStore(File dbFile, DBOptions options, Set<TableConfig> families,
writeOptions = new WriteOptions();
try {
if (readOnly) {
db = RocksDB.openReadOnly(dbOptions, dbLocation.getAbsolutePath(),
columnFamilyDescriptors, columnFamilyHandles);
} else {
db = RocksDB.open(dbOptions, dbLocation.getAbsolutePath(),
columnFamilyDescriptors, columnFamilyHandles);
}
db = RocksDB.open(dbOptions, dbLocation.getAbsolutePath(),
columnFamilyDescriptors, columnFamilyHandles);
for (int x = 0; x < columnFamilyHandles.size(); x++) {
handleTable.put(
@ -299,7 +295,31 @@ public File getDbLocation() {
return dbLocation;
}
@Override
public Map<Integer, String> getTableNames() {
Map<Integer, String> tableNames = new HashMap<>();
StringCodec stringCodec = new StringCodec();
for (ColumnFamilyHandle columnFamilyHandle : columnFamilyHandles) {
try {
tableNames.put(columnFamilyHandle.getID(), stringCodec
.fromPersistedFormat(columnFamilyHandle.getName()));
} catch (RocksDBException | IOException e) {
LOG.error("Unexpected exception while reading column family handle " +
"name", e);
}
}
return tableNames;
}
@Override
public CodecRegistry getCodecRegistry() {
return codecRegistry;
}
@VisibleForTesting
public RocksDB getDb() {
return db;
}
}

8
hadoop-hdds/common/src/main/resources/ozone-default.xml
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@ -2472,4 +2472,12 @@
connections.
</description>
</property>
<property>
<name>ozone.recon.task.thread.count</name>
<value>1</value>
<tag>OZONE, RECON</tag>
<description>
The number of Recon Tasks that are waiting on updates from OM.
</description>
</property>
</configuration>

43
hadoop-hdds/common/src/test/java/org/apache/hadoop/utils/db/TestRDBStore.java
View File

@ -21,7 +21,6 @@
import javax.management.MBeanServer;
import java.io.File;
import java.io.IOException;
import java.lang.management.ManagementFactory;
import java.nio.charset.StandardCharsets;
@ -290,46 +289,4 @@ public void testRocksDBCheckpointCleanup() throws Exception {
checkpoint.getCheckpointLocation()));
}
}
@Test
public void testReadOnlyRocksDB() throws Exception {
File dbFile = folder.newFolder();
byte[] key = "Key1".getBytes();
byte[] value = "Value1".getBytes();
//Create Rdb and write some data into it.
RDBStore newStore = new RDBStore(dbFile, options, configSet);
Assert.assertNotNull("DB Store cannot be null", newStore);
Table firstTable = newStore.getTable(families.get(0));
Assert.assertNotNull("Table cannot be null", firstTable);
firstTable.put(key, value);
RocksDBCheckpoint checkpoint = (RocksDBCheckpoint) newStore.getCheckpoint(
true);
//Create Read Only DB from snapshot of first DB.
RDBStore snapshotStore = new RDBStore(checkpoint.getCheckpointLocation()
.toFile(), options, configSet, new CodecRegistry(), true);
Assert.assertNotNull("DB Store cannot be null", newStore);
//Verify read is allowed.
firstTable = snapshotStore.getTable(families.get(0));
Assert.assertNotNull("Table cannot be null", firstTable);
Assert.assertTrue(Arrays.equals(((byte[])firstTable.get(key)), value));
//Verify write is not allowed.
byte[] key2 =
RandomStringUtils.random(10).getBytes(StandardCharsets.UTF_8);
byte[] value2 =
RandomStringUtils.random(10).getBytes(StandardCharsets.UTF_8);
try {
firstTable.put(key2, value2);
Assert.fail();
} catch (IOException e) {
Assert.assertTrue(e.getMessage()
.contains("Not supported operation in read only mode"));
}
checkpoint.cleanupCheckpoint();
}
}

20
hadoop-ozone/ozone-manager/src/main/java/org/apache/hadoop/ozone/om/OmMetadataManagerImpl.java
View File

@ -100,16 +100,16 @@ public class OmMetadataManagerImpl implements OMMetadataManager {
* |-------------------------------------------------------------------|
*/
private static final String USER_TABLE = "userTable";
private static final String VOLUME_TABLE = "volumeTable";
private static final String BUCKET_TABLE = "bucketTable";
private static final String KEY_TABLE = "keyTable";
private static final String DELETED_TABLE = "deletedTable";
private static final String OPEN_KEY_TABLE = "openKeyTable";
private static final String S3_TABLE = "s3Table";
private static final String MULTIPARTINFO_TABLE = "multipartInfoTable";
private static final String S3_SECRET_TABLE = "s3SecretTable";
private static final String DELEGATION_TOKEN_TABLE = "dTokenTable";
public static final String USER_TABLE = "userTable";
public static final String VOLUME_TABLE = "volumeTable";
public static final String BUCKET_TABLE = "bucketTable";
public static final String KEY_TABLE = "keyTable";
public static final String DELETED_TABLE = "deletedTable";
public static final String OPEN_KEY_TABLE = "openKeyTable";
public static final String S3_TABLE = "s3Table";
public static final String MULTIPARTINFO_TABLE = "multipartInfoTable";
public static final String S3_SECRET_TABLE = "s3SecretTable";
public static final String DELEGATION_TOKEN_TABLE = "dTokenTable";
private DBStore store;

3
hadoop-ozone/ozone-recon-codegen/src/main/java/org/hadoop/ozone/recon/codegen/ReconSchemaGenerationModule.java
View File

@ -17,6 +17,7 @@
*/
package org.hadoop.ozone.recon.codegen;
import org.hadoop.ozone.recon.schema.ReconInternalSchemaDefinition;
import org.hadoop.ozone.recon.schema.ReconSchemaDefinition;
import org.hadoop.ozone.recon.schema.UtilizationSchemaDefinition;
@ -34,6 +35,6 @@ protected void configure() {
Multibinder<ReconSchemaDefinition> schemaBinder =
Multibinder.newSetBinder(binder(), ReconSchemaDefinition.class);
schemaBinder.addBinding().to(UtilizationSchemaDefinition.class);
schemaBinder.addBinding().to(ReconInternalSchemaDefinition.class);
}
}

65
hadoop-ozone/ozone-recon-codegen/src/main/java/org/hadoop/ozone/recon/schema/ReconInternalSchemaDefinition.java Normal file
View File

@ -0,0 +1,65 @@
/**
* 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
* <p>
* http://www.apache.org/licenses/LICENSE-2.0
* <p>
* 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.hadoop.ozone.recon.schema;
import java.sql.Connection;
import java.sql.SQLException;
import javax.sql.DataSource;
import org.jooq.impl.DSL;
import org.jooq.impl.SQLDataType;
import com.google.inject.Inject;
/**
* Class used to create tables that are required for Recon's internal
* management.
*/
public class ReconInternalSchemaDefinition implements ReconSchemaDefinition {
public static final String RECON_TASK_STATUS_TABLE_NAME =
"recon_task_status";
private final DataSource dataSource;
@Inject
ReconInternalSchemaDefinition(DataSource dataSource) {
this.dataSource = dataSource;
}
@Override
public void initializeSchema() throws SQLException {
Connection conn = dataSource.getConnection();
createReconTaskStatus(conn);
}
/**
* Create the Recon Task Status table.
* @param conn connection
*/
private void createReconTaskStatus(Connection conn) {
DSL.using(conn).createTableIfNotExists(RECON_TASK_STATUS_TABLE_NAME)
.column("task_name", SQLDataType.VARCHAR(1024))
.column("last_updated_timestamp", SQLDataType.BIGINT)
.column("last_updated_seq_number", SQLDataType.BIGINT)
.constraint(DSL.constraint("pk_task_name")
.primaryKey("task_name"))
.execute();
}
}

5
hadoop-ozone/ozone-recon/src/main/java/org/apache/hadoop/ozone/recon/ReconControllerModule.java
View File

@ -39,6 +39,8 @@
import org.apache.hadoop.ozone.recon.spi.impl.ReconContainerDBProvider;
import org.apache.hadoop.ozone.recon.spi.impl.ContainerDBServiceProviderImpl;
import org.apache.hadoop.ozone.recon.spi.impl.OzoneManagerServiceProviderImpl;
import org.apache.hadoop.ozone.recon.tasks.ReconTaskController;
import org.apache.hadoop.ozone.recon.tasks.ReconTaskControllerImpl;
import org.apache.hadoop.utils.db.DBStore;
import com.google.inject.AbstractModule;
@ -65,6 +67,9 @@ protected void configure() {
// Persistence - inject configuration provider
install(new JooqPersistenceModule(
getProvider(DataSourceConfiguration.class)));
bind(ReconTaskController.class)
.to(ReconTaskControllerImpl.class).in(Singleton.class);
}
@Provides

25
hadoop-ozone/ozone-recon/src/main/java/org/apache/hadoop/ozone/recon/ReconServer.java
View File

@ -23,6 +23,7 @@
import static org.apache.hadoop.ozone.recon.ReconServerConfigKeys.RECON_OM_SNAPSHOT_TASK_INTERVAL;
import static org.apache.hadoop.ozone.recon.ReconServerConfigKeys.RECON_OM_SNAPSHOT_TASK_INTERVAL_DEFAULT;
import java.io.IOException;
import java.util.concurrent.Executors;
import java.util.concurrent.ScheduledExecutorService;
import java.util.concurrent.TimeUnit;
@ -67,7 +68,7 @@ public Void call() throws Exception {
@Override
protected void configureServlets() {
rest("/api/*")
.packages("org.apache.hadoop.ozone.recon.api");
.packages("org.apache.hadoop.ozone.recon.api");
}
});
@ -100,10 +101,6 @@ private void scheduleReconTasks() {
OzoneManagerServiceProvider ozoneManagerServiceProvider = injector
.getInstance(OzoneManagerServiceProvider.class);
// Schedule the task to read OM DB and write the reverse mapping to Recon
// container DB.
ContainerKeyMapperTask containerKeyMapperTask = new ContainerKeyMapperTask(
ozoneManagerServiceProvider, containerDBServiceProvider);
long initialDelay = configuration.getTimeDuration(
RECON_OM_SNAPSHOT_TASK_INITIAL_DELAY,
RECON_OM_SNAPSHOT_TASK_INITIAL_DELAY_DEFAULT,
@ -113,8 +110,22 @@ private void scheduleReconTasks() {
RECON_OM_SNAPSHOT_TASK_INTERVAL_DEFAULT,
TimeUnit.MILLISECONDS);
scheduler.scheduleWithFixedDelay(containerKeyMapperTask, initialDelay,
interval, TimeUnit.MILLISECONDS);
scheduler.scheduleWithFixedDelay(() -> {
try {
ozoneManagerServiceProvider.updateReconOmDBWithNewSnapshot();
// Schedule the task to read OM DB and write the reverse mapping to
// Recon container DB.
ContainerKeyMapperTask containerKeyMapperTask =
new ContainerKeyMapperTask(containerDBServiceProvider,
ozoneManagerServiceProvider.getOMMetadataManagerInstance());
containerKeyMapperTask.reprocess(
ozoneManagerServiceProvider.getOMMetadataManagerInstance());
} catch (IOException e) {
LOG.error("Unable to get OM " +
"Snapshot", e);
}
}, initialDelay, interval, TimeUnit.MILLISECONDS);
}
void stop() throws Exception {

4
hadoop-ozone/ozone-recon/src/main/java/org/apache/hadoop/ozone/recon/ReconServerConfigKeys.java
View File

@ -112,6 +112,10 @@ public final class ReconServerConfigKeys {
public static final String OZONE_RECON_SQL_MAX_IDLE_CONNECTION_TEST_STMT =
"ozone.recon.sql.db.conn.idle.test";
public static final String OZONE_RECON_TASK_THREAD_COUNT_KEY =
"ozone.recon.task.thread.count";
public static final int OZONE_RECON_TASK_THREAD_COUNT_DEFAULT = 1;
/**
* Private constructor for utility class.
*/

1
hadoop-ozone/ozone-recon/src/main/java/org/apache/hadoop/ozone/recon/recovery/ReconOmMetadataManagerImpl.java
View File

@ -64,7 +64,6 @@ private void initializeNewRdbStore(File dbFile) throws IOException {
try {
DBStoreBuilder dbStoreBuilder =
DBStoreBuilder.newBuilder(ozoneConfiguration)
.setReadOnly(true)
.setName(dbFile.getName())
.setPath(dbFile.toPath().getParent());
addOMTablesAndCodecs(dbStoreBuilder);

16
hadoop-ozone/ozone-recon/src/main/java/org/apache/hadoop/ozone/recon/spi/ContainerDBServiceProvider.java
View File

@ -24,6 +24,7 @@
import org.apache.hadoop.classification.InterfaceStability;
import org.apache.hadoop.ozone.recon.api.types.ContainerKeyPrefix;
import org.apache.hadoop.ozone.recon.api.types.ContainerMetadata;
import org.apache.hadoop.utils.db.TableIterator;
/**
* The Recon Container DB Service interface.
@ -75,4 +76,19 @@ Map<ContainerKeyPrefix, Integer> getKeyPrefixesForContainer(long containerId)
* @throws IOException
*/
Map<Long, ContainerMetadata> getContainers() throws IOException;
/**
* Delete an entry in the container DB.
* @param containerKeyPrefix container key prefix to be deleted.
* @throws IOException exception.
*/
void deleteContainerMapping(ContainerKeyPrefix containerKeyPrefix)
throws IOException;
/**
* Get iterator to the entire container DB.
* @return TableIterator
* @throws IOException exception
*/
TableIterator getContainerTableIterator() throws IOException;
}

11
hadoop-ozone/ozone-recon/src/main/java/org/apache/hadoop/ozone/recon/spi/impl/ContainerDBServiceProviderImpl.java
View File

@ -191,4 +191,15 @@ public Map<Long, ContainerMetadata> getContainers() throws IOException {
}
return containers;
}
@Override
public void deleteContainerMapping(ContainerKeyPrefix containerKeyPrefix)
throws IOException {
containerKeyTable.delete(containerKeyPrefix);
}
@Override
public TableIterator getContainerTableIterator() throws IOException {
return containerKeyTable.iterator();
}
}

154
hadoop-ozone/ozone-recon/src/main/java/org/apache/hadoop/ozone/recon/tasks/ContainerKeyMapperTask.java
View File

@ -21,14 +21,20 @@
import java.io.IOException;
import java.time.Duration;
import java.time.Instant;
import java.util.ArrayList;
import java.util.Collection;
import java.util.HashSet;
import java.util.Iterator;
import java.util.Set;
import org.apache.commons.lang3.tuple.ImmutablePair;
import org.apache.commons.lang3.tuple.Pair;
import org.apache.hadoop.ozone.om.OMMetadataManager;
import org.apache.hadoop.ozone.om.helpers.OmKeyInfo;
import org.apache.hadoop.ozone.om.helpers.OmKeyLocationInfo;
import org.apache.hadoop.ozone.om.helpers.OmKeyLocationInfoGroup;
import org.apache.hadoop.ozone.recon.api.types.ContainerKeyPrefix;
import org.apache.hadoop.ozone.recon.spi.ContainerDBServiceProvider;
import org.apache.hadoop.ozone.recon.spi.OzoneManagerServiceProvider;
import org.apache.hadoop.utils.db.Table;
import org.apache.hadoop.utils.db.TableIterator;
import org.slf4j.Logger;
@ -38,19 +44,24 @@
* Class to iterate over the OM DB and populate the Recon container DB with
* the container -> Key reverse mapping.
*/
public class ContainerKeyMapperTask implements Runnable {
public class ContainerKeyMapperTask extends ReconDBUpdateTask {
private static final Logger LOG =
LoggerFactory.getLogger(ContainerKeyMapperTask.class);
private OzoneManagerServiceProvider ozoneManagerServiceProvider;
private ContainerDBServiceProvider containerDBServiceProvider;
private Collection<String> tables = new ArrayList<>();
public ContainerKeyMapperTask(
OzoneManagerServiceProvider ozoneManagerServiceProvider,
ContainerDBServiceProvider containerDBServiceProvider) {
this.ozoneManagerServiceProvider = ozoneManagerServiceProvider;
public ContainerKeyMapperTask(ContainerDBServiceProvider
containerDBServiceProvider,
OMMetadataManager omMetadataManager) {
super("ContainerKeyMapperTask");
this.containerDBServiceProvider = containerDBServiceProvider;
try {
tables.add(omMetadataManager.getKeyTable().getName());
} catch (IOException ioEx) {
LOG.error("Unable to listen on Key Table updates ", ioEx);
}
}
/**
@ -58,55 +69,122 @@ public ContainerKeyMapperTask(
* (container, key) -> count to Recon Container DB.
*/
@Override
public void run() {
public Pair<String, Boolean> reprocess(OMMetadataManager omMetadataManager) {
int omKeyCount = 0;
int containerCount = 0;
try {
LOG.info("Starting a run of ContainerKeyMapperTask.");
LOG.info("Starting a 'reprocess' run of ContainerKeyMapperTask.");
Instant start = Instant.now();
//Update OM DB Snapshot.
ozoneManagerServiceProvider.updateReconOmDBWithNewSnapshot();
OMMetadataManager omMetadataManager = ozoneManagerServiceProvider
.getOMMetadataManagerInstance();
Table<String, OmKeyInfo> omKeyInfoTable = omMetadataManager.getKeyTable();
try (TableIterator<String, ? extends Table.KeyValue<String, OmKeyInfo>>
keyIter = omKeyInfoTable.iterator()) {
while (keyIter.hasNext()) {
Table.KeyValue<String, OmKeyInfo> kv = keyIter.next();
StringBuilder key = new StringBuilder(kv.getKey());
OmKeyInfo omKeyInfo = kv.getValue();
for (OmKeyLocationInfoGroup omKeyLocationInfoGroup : omKeyInfo
.getKeyLocationVersions()) {
long keyVersion = omKeyLocationInfoGroup.getVersion();
for (OmKeyLocationInfo omKeyLocationInfo : omKeyLocationInfoGroup
.getLocationList()) {
long containerId = omKeyLocationInfo.getContainerID();
ContainerKeyPrefix containerKeyPrefix = new ContainerKeyPrefix(
containerId, key.toString(), keyVersion);
if (containerDBServiceProvider.getCountForForContainerKeyPrefix(
containerKeyPrefix) == 0) {
// Save on writes. No need to save same container-key prefix
// mapping again.
containerDBServiceProvider.storeContainerKeyMapping(
containerKeyPrefix, 1);
}
containerCount++;
}
}
writeOMKeyToContainerDB(kv.getKey(), omKeyInfo);
omKeyCount++;
}
}
LOG.info("Completed the run of ContainerKeyMapperTask.");
LOG.info("Completed 'reprocess' of ContainerKeyMapperTask.");
Instant end = Instant.now();
long duration = Duration.between(start, end).toMillis();
LOG.info("It took me " + (double)duration / 1000.0 + " seconds to " +
"process " + omKeyCount + " keys and " + containerCount + " " +
"containers.");
LOG.info("It took me " + (double) duration / 1000.0 + " seconds to " +
"process " + omKeyCount + " keys.");
} catch (IOException ioEx) {
LOG.error("Unable to populate Container Key Prefix data in Recon DB. ",
ioEx);
return new ImmutablePair<>(getTaskName(), false);
}
return new ImmutablePair<>(getTaskName(), true);
}
@Override
protected Collection<String> getTaskTables() {
return tables;
}
@Override
Pair<String, Boolean> process(OMUpdateEventBatch events) {
Iterator<OMDBUpdateEvent> eventIterator = events.getIterator();
while (eventIterator.hasNext()) {
OMDBUpdateEvent<String, OmKeyInfo> omdbUpdateEvent = eventIterator.next();
String updatedKey = omdbUpdateEvent.getKey();
OmKeyInfo updatedKeyValue = omdbUpdateEvent.getValue();
try {
switch (omdbUpdateEvent.getAction()) {
case PUT:
writeOMKeyToContainerDB(updatedKey, updatedKeyValue);
break;
case DELETE:
deleteOMKeyFromContainerDB(updatedKey);
break;
default: LOG.debug("Skipping DB update event : " + omdbUpdateEvent
.getAction());
}
} catch (IOException e) {
LOG.error("Unexpected exception while updating key data : {} ", e);
return new ImmutablePair<>(getTaskName(), false);
}
}
return new ImmutablePair<>(getTaskName(), true);
}
/**
* Delete an OM Key from Container DB.
* @param key key String.
* @throws IOException If Unable to write to container DB.
*/
private void deleteOMKeyFromContainerDB(String key)
throws IOException {
TableIterator<ContainerKeyPrefix, ? extends
Table.KeyValue<ContainerKeyPrefix, Integer>> containerIterator =
containerDBServiceProvider.getContainerTableIterator();
Set<ContainerKeyPrefix> keysToDeDeleted = new HashSet<>();
while (containerIterator.hasNext()) {
Table.KeyValue<ContainerKeyPrefix, Integer> keyValue =
containerIterator.next();
String keyPrefix = keyValue.getKey().getKeyPrefix();
if (keyPrefix.equals(key)) {
keysToDeDeleted.add(keyValue.getKey());
}
}
for (ContainerKeyPrefix containerKeyPrefix : keysToDeDeleted) {
containerDBServiceProvider.deleteContainerMapping(containerKeyPrefix);
}
}
/**
* Write an OM key to container DB.
* @param key key String
* @param omKeyInfo omKeyInfo value
* @throws IOException if unable to write to recon DB.
*/
private void writeOMKeyToContainerDB(String key, OmKeyInfo omKeyInfo)
throws IOException {
for (OmKeyLocationInfoGroup omKeyLocationInfoGroup : omKeyInfo
.getKeyLocationVersions()) {
long keyVersion = omKeyLocationInfoGroup.getVersion();
for (OmKeyLocationInfo omKeyLocationInfo : omKeyLocationInfoGroup
.getLocationList()) {
long containerId = omKeyLocationInfo.getContainerID();
ContainerKeyPrefix containerKeyPrefix = new ContainerKeyPrefix(
containerId, key, keyVersion);
if (containerDBServiceProvider.getCountForForContainerKeyPrefix(
containerKeyPrefix) == 0) {
// Save on writes. No need to save same container-key prefix
// mapping again.
containerDBServiceProvider.storeContainerKeyMapping(
containerKeyPrefix, 1);
}
}
}
}
}

150
hadoop-ozone/ozone-recon/src/main/java/org/apache/hadoop/ozone/recon/tasks/OMDBUpdateEvent.java Normal file
View File

@ -0,0 +1,150 @@
/**
* 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
* <p>
* http://www.apache.org/licenses/LICENSE-2.0
* <p>
* 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.hadoop.ozone.recon.tasks;
/**
* A class used to encapsulate a single OM DB update event.
* Currently only PUT and DELETE are supported.
* @param <KEY> Type of Key.
* @param <VALUE> Type of Value.
*/
public final class OMDBUpdateEvent<KEY, VALUE> {
private final OMDBUpdateAction action;
private final String table;
private final KEY updatedKey;
private final VALUE updatedValue;
private final EventInfo eventInfo;
private OMDBUpdateEvent(OMDBUpdateAction action,
String table,
KEY updatedKey,
VALUE updatedValue,
EventInfo eventInfo) {
this.action = action;
this.table = table;
this.updatedKey = updatedKey;
this.updatedValue = updatedValue;
this.eventInfo = eventInfo;
}
public OMDBUpdateAction getAction() {
return action;
}
public String getTable() {
return table;
}
public KEY getKey() {
return updatedKey;
}
public VALUE getValue() {
return updatedValue;
}
public EventInfo getEventInfo() {
return eventInfo;
}
/**
* Builder used to construct an OM DB Update event.
* @param <KEY> Key type.
* @param <VALUE> Value type.
*/
public static class OMUpdateEventBuilder<KEY, VALUE> {
private OMDBUpdateAction action;
private String table;
private KEY updatedKey;
private VALUE updatedValue;
private EventInfo eventInfo;
OMUpdateEventBuilder setAction(OMDBUpdateAction omdbUpdateAction) {
this.action = omdbUpdateAction;
return this;
}
OMUpdateEventBuilder setTable(String tableName) {
this.table = tableName;
return this;
}
OMUpdateEventBuilder setKey(KEY key) {
this.updatedKey = key;
return this;
}
OMUpdateEventBuilder setValue(VALUE value) {
this.updatedValue = value;
return this;
}
OMUpdateEventBuilder setEventInfo(long sequenceNumber,
long eventTimestampMillis) {
this.eventInfo = new EventInfo(sequenceNumber,
eventTimestampMillis);
return this;
}
/**
* Build an OM update event.
* @return OMDBUpdateEvent
*/
public OMDBUpdateEvent build() {
return new OMDBUpdateEvent<KEY, VALUE>(
action,
table,
updatedKey,
updatedValue,
eventInfo);
}
}
/**
* Class used to hold timing information for an event. (Seq number and
* timestamp)
*/
public static class EventInfo {
private long sequenceNumber;
private long eventTimestampMillis;
public EventInfo(long sequenceNumber,
long eventTimestampMillis) {
this.sequenceNumber = sequenceNumber;
this.eventTimestampMillis = eventTimestampMillis;
}
public long getSequenceNumber() {
return sequenceNumber;
}
public long getEventTimestampMillis() {
return eventTimestampMillis;
}
}
/**
* Supported Actions - PUT, DELETE.
*/
public enum OMDBUpdateAction {
PUT, DELETE
}
}

220
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@ -0,0 +1,220 @@
/**
* 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
* <p>
* http://www.apache.org/licenses/LICENSE-2.0
* <p>
* 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.hadoop.ozone.recon.tasks;
import static org.apache.hadoop.ozone.om.OmMetadataManagerImpl.BUCKET_TABLE;
import static org.apache.hadoop.ozone.om.OmMetadataManagerImpl.KEY_TABLE;
import static org.apache.hadoop.ozone.om.OmMetadataManagerImpl.VOLUME_TABLE;
import java.io.IOException;
import java.util.ArrayList;
import java.util.List;
import java.util.Map;
import org.apache.hadoop.ozone.om.OMMetadataManager;
import org.apache.hadoop.ozone.om.helpers.OmBucketInfo;
import org.apache.hadoop.ozone.om.helpers.OmKeyInfo;
import org.apache.hadoop.ozone.om.helpers.OmVolumeArgs;
import org.apache.hadoop.utils.db.CodecRegistry;
import org.apache.ratis.thirdparty.com.google.common.annotations.VisibleForTesting;
import org.rocksdb.RocksDBException;
import org.rocksdb.WriteBatch;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
/**
* Class used to listen on OM RocksDB updates.
*/
public class OMDBUpdatesHandler extends WriteBatch.Handler {
private static final Logger LOG =
LoggerFactory.getLogger(OMDBUpdatesHandler.class);
private Map<Integer, String> tablesNames;
private CodecRegistry codecRegistry;
private List<OMDBUpdateEvent> omdbUpdateEvents = new ArrayList<>();
public OMDBUpdatesHandler(OMMetadataManager omMetadataManager) {
tablesNames = omMetadataManager.getStore().getTableNames();
codecRegistry = omMetadataManager.getStore().getCodecRegistry();
}
@Override
public void put(int cfIndex, byte[] keyBytes, byte[] valueBytes) throws
RocksDBException {
try {
processEvent(cfIndex, keyBytes, valueBytes,
OMDBUpdateEvent.OMDBUpdateAction.PUT);
} catch (IOException ioEx) {
LOG.error("Exception when reading key : " + ioEx);
}
}
@Override
public void delete(int cfIndex, byte[] keyBytes) throws RocksDBException {
try {
processEvent(cfIndex, keyBytes, null,
OMDBUpdateEvent.OMDBUpdateAction.DELETE);
} catch (IOException ioEx) {
LOG.error("Exception when reading key : " + ioEx);
}
}
/**
*
*/
private void processEvent(int cfIndex, byte[] keyBytes, byte[]
valueBytes, OMDBUpdateEvent.OMDBUpdateAction action)
throws IOException {
String tableName = tablesNames.get(cfIndex);
Class keyType = getKeyType(tableName);
Class valueType = getValueType(tableName);
if (valueType != null) {
OMDBUpdateEvent.OMUpdateEventBuilder builder =
new OMDBUpdateEvent.OMUpdateEventBuilder<>();
builder.setTable(tableName);
Object key = codecRegistry.asObject(keyBytes, keyType);
builder.setKey(key);
if (!action.equals(OMDBUpdateEvent.OMDBUpdateAction.DELETE)) {
Object value = codecRegistry.asObject(valueBytes, valueType);
builder.setValue(value);
}
builder.setAction(action);
OMDBUpdateEvent event = builder.build();
LOG.info("Generated OM update Event for table : " + event.getTable()
+ ", Key = " + event.getKey());
// Temporarily adding to an event buffer for testing. In subsequent JIRAs,
// a Recon side class will be implemented that requests delta updates
// from OM and calls on this handler. In that case, we will fill up
// this buffer and pass it on to the ReconTaskController which has
// tasks waiting on OM events.
omdbUpdateEvents.add(event);
}
}
// There are no use cases yet for the remaining methods in Recon. These
// will be implemented as and when need arises.
@Override
public void put(byte[] bytes, byte[] bytes1) {
}
@Override
public void merge(int i, byte[] bytes, byte[] bytes1)
throws RocksDBException {
}
@Override
public void merge(byte[] bytes, byte[] bytes1) {
}
@Override
public void delete(byte[] bytes) {
}
@Override
public void singleDelete(int i, byte[] bytes) throws RocksDBException {
}
@Override
public void singleDelete(byte[] bytes) {
}
@Override
public void deleteRange(int i, byte[] bytes, byte[] bytes1)
throws RocksDBException {
}
@Override
public void deleteRange(byte[] bytes, byte[] bytes1) {
}
@Override
public void logData(byte[] bytes) {
}
@Override
public void putBlobIndex(int i, byte[] bytes, byte[] bytes1)
throws RocksDBException {
}
@Override
public void markBeginPrepare() throws RocksDBException {
}
@Override
public void markEndPrepare(byte[] bytes) throws RocksDBException {
}
@Override
public void markNoop(boolean b) throws RocksDBException {
}
@Override
public void markRollback(byte[] bytes) throws RocksDBException {
}
@Override
public void markCommit(byte[] bytes) throws RocksDBException {
}
/**
* Return Key type class for a given table name.
* @param name table name.
* @return String.class by default.
*/
private Class getKeyType(String name) {
return String.class;
}
/**
* Return Value type class for a given table.
* @param name table name
* @return Value type based on table name.
*/
@VisibleForTesting
protected Class getValueType(String name) {
switch (name) {
case KEY_TABLE : return OmKeyInfo.class;
case VOLUME_TABLE : return OmVolumeArgs.class;
case BUCKET_TABLE : return OmBucketInfo.class;
default: return null;
}
}
/**
* Get List of events. (Temporary API to unit test the class).
* @return List of events.
*/
public List<OMDBUpdateEvent> getEvents() {
return omdbUpdateEvents;
}
}

69
hadoop-ozone/ozone-recon/src/main/java/org/apache/hadoop/ozone/recon/tasks/OMUpdateEventBatch.java Normal file
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@ -0,0 +1,69 @@
/**
* 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
* <p>
* http://www.apache.org/licenses/LICENSE-2.0
* <p>
* 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.hadoop.ozone.recon.tasks;
import java.util.ArrayList;
import java.util.Collection;
import java.util.Iterator;
import java.util.List;
import java.util.stream.Collectors;
/**
* Wrapper class to hold multiple OM DB update events.
*/
public class OMUpdateEventBatch {
private List<OMDBUpdateEvent> events;
OMUpdateEventBatch(Collection<OMDBUpdateEvent> e) {
events = new ArrayList<>(e);
}
/**
* Get Sequence Number and timestamp of last event in this batch.
* @return Event Info instance.
*/
OMDBUpdateEvent.EventInfo getLastEventInfo() {
if (events.isEmpty()) {
return new OMDBUpdateEvent.EventInfo(-1, -1);
} else {
return events.get(events.size() - 1).getEventInfo();
}
}
/**
* Return iterator to Event batch.
* @return iterator
*/
public Iterator<OMDBUpdateEvent> getIterator() {
return events.iterator();
}
/**
* Filter events based on Tables.
* @param tables set of tables to filter on.
* @return trimmed event batch.
*/
public OMUpdateEventBatch filter(Collection<String> tables) {
return new OMUpdateEventBatch(events
.stream()
.filter(e -> tables.contains(e.getTable()))
.collect(Collectors.toList()));
}
}

66
hadoop-ozone/ozone-recon/src/main/java/org/apache/hadoop/ozone/recon/tasks/ReconDBUpdateTask.java Normal file
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@ -0,0 +1,66 @@
/**
* 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
* <p>
* http://www.apache.org/licenses/LICENSE-2.0
* <p>
* 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.hadoop.ozone.recon.tasks;
import java.util.Collection;
import org.apache.commons.lang3.tuple.Pair;
import org.apache.hadoop.ozone.om.OMMetadataManager;
/**
* Abstract class used to denote a Recon task that needs to act on OM DB events.
*/
public abstract class ReconDBUpdateTask {
private String taskName;
protected ReconDBUpdateTask(String taskName) {
this.taskName = taskName;
}
/**
* Return task name.
* @return task name
*/
public String getTaskName() {
return taskName;
}
/**
* Return the list of tables that the task is listening on.
* Empty list means the task is NOT listening on any tables.
* @return Collection of Tables.
*/
protected abstract Collection<String> getTaskTables();
/**
* Process a set of OM events on tables that the task is listening on.
* @param events Set of events to be processed by the task.
* @return Pair of task name -> task success.
*/
abstract Pair<String, Boolean> process(OMUpdateEventBatch events);
/**
* Process a on tables that the task is listening on.
* @param omMetadataManager OM Metadata manager instance.
* @return Pair of task name -> task success.
*/
abstract Pair<String, Boolean> reprocess(OMMetadataManager omMetadataManager);
}

46
hadoop-ozone/ozone-recon/src/main/java/org/apache/hadoop/ozone/recon/tasks/ReconTaskController.java Normal file
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@ -0,0 +1,46 @@
/**
* 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
* <p>
* http://www.apache.org/licenses/LICENSE-2.0
* <p>
* 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.hadoop.ozone.recon.tasks;
import java.util.Map;
/**
* Controller used by Recon to manage Tasks that are waiting on Recon events.
*/
public interface ReconTaskController {
/**
* Register API used by tasks to register themselves.
* @param task task instance
*/
void registerTask(ReconDBUpdateTask task);
/**
* Pass on a set of OM DB update events to the registered tasks.
* @param events set of events
* @throws InterruptedException InterruptedException
*/
void consumeOMEvents(OMUpdateEventBatch events) throws InterruptedException;
/**
* Get set of registered tasks.
* @return Map of Task name -> Task.
*/
Map<String, ReconDBUpdateTask> getRegisteredTasks();
}

198
hadoop-ozone/ozone-recon/src/main/java/org/apache/hadoop/ozone/recon/tasks/ReconTaskControllerImpl.java Normal file
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@ -0,0 +1,198 @@
/**
* 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
* <p>
* http://www.apache.org/licenses/LICENSE-2.0
* <p>
* 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.hadoop.ozone.recon.tasks;
import static org.apache.hadoop.ozone.recon.ReconServerConfigKeys.OZONE_RECON_TASK_THREAD_COUNT_DEFAULT;
import static org.apache.hadoop.ozone.recon.ReconServerConfigKeys.OZONE_RECON_TASK_THREAD_COUNT_KEY;
import java.util.ArrayList;
import java.util.Collection;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import java.util.concurrent.Callable;
import java.util.concurrent.ExecutionException;
import java.util.concurrent.ExecutorService;
import java.util.concurrent.Executors;
import java.util.concurrent.Future;
import java.util.concurrent.Semaphore;
import java.util.concurrent.atomic.AtomicInteger;
import org.apache.commons.lang3.tuple.Pair;
import org.apache.hadoop.hdds.conf.OzoneConfiguration;
import org.apache.hadoop.ozone.recon.recovery.ReconOMMetadataManager;
import org.hadoop.ozone.recon.schema.tables.daos.ReconTaskStatusDao;
import org.hadoop.ozone.recon.schema.tables.pojos.ReconTaskStatus;
import org.jooq.Configuration;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import com.google.inject.Inject;
/**
* Implementation of ReconTaskController.
*/
public class ReconTaskControllerImpl implements ReconTaskController {
private static final Logger LOG =
LoggerFactory.getLogger(ReconTaskControllerImpl.class);
private Map<String, ReconDBUpdateTask> reconDBUpdateTasks;
private ExecutorService executorService;
private int threadCount = 1;
private final Semaphore taskSemaphore = new Semaphore(1);
private final ReconOMMetadataManager omMetadataManager;
private Map<String, AtomicInteger> taskFailureCounter = new HashMap<>();
private static final int TASK_FAILURE_THRESHOLD = 2;
private ReconTaskStatusDao reconTaskStatusDao;
@Inject
public ReconTaskControllerImpl(OzoneConfiguration configuration,
ReconOMMetadataManager omMetadataManager,
Configuration sqlConfiguration) {
this.omMetadataManager = omMetadataManager;
reconDBUpdateTasks = new HashMap<>();
threadCount = configuration.getInt(OZONE_RECON_TASK_THREAD_COUNT_KEY,
OZONE_RECON_TASK_THREAD_COUNT_DEFAULT);
executorService = Executors.newFixedThreadPool(threadCount);
reconTaskStatusDao = new ReconTaskStatusDao(sqlConfiguration);
}
@Override
public void registerTask(ReconDBUpdateTask task) {
String taskName = task.getTaskName();
LOG.info("Registered task " + taskName + " with controller.");
// Store task in Task Map.
reconDBUpdateTasks.put(taskName, task);
// Store Task in Task failure tracker.
taskFailureCounter.put(taskName, new AtomicInteger(0));
// Create DB record for the task.
ReconTaskStatus reconTaskStatusRecord = new ReconTaskStatus(taskName,
0L, 0L);
reconTaskStatusDao.insert(reconTaskStatusRecord);
}
/**
* For every registered task, we try process step twice and then reprocess
* once (if process failed twice) to absorb the events. If a task has failed
* reprocess call more than 2 times across events, it is unregistered
* (blacklisted).
* @param events set of events
* @throws InterruptedException
*/
@Override
public void consumeOMEvents(OMUpdateEventBatch events)
throws InterruptedException {
taskSemaphore.acquire();
try {
Collection<Callable<Pair>> tasks = new ArrayList<>();
for (Map.Entry<String, ReconDBUpdateTask> taskEntry :
reconDBUpdateTasks.entrySet()) {
ReconDBUpdateTask task = taskEntry.getValue();
tasks.add(() -> task.process(events));
}
List<Future<Pair>> results = executorService.invokeAll(tasks);
List<String> failedTasks = processTaskResults(results, events);
//Retry
List<String> retryFailedTasks = new ArrayList<>();
if (!failedTasks.isEmpty()) {
tasks.clear();
for (String taskName : failedTasks) {
ReconDBUpdateTask task = reconDBUpdateTasks.get(taskName);
tasks.add(() -> task.process(events));
}
results = executorService.invokeAll(tasks);
retryFailedTasks = processTaskResults(results, events);
}
//Reprocess
//TODO Move to a separate task queue since reprocess may be a heavy
//operation for large OM DB instances
if (!retryFailedTasks.isEmpty()) {
tasks.clear();
for (String taskName : failedTasks) {
ReconDBUpdateTask task = reconDBUpdateTasks.get(taskName);
tasks.add(() -> task.reprocess(omMetadataManager));
}
results = executorService.invokeAll(tasks);
List<String> reprocessFailedTasks = processTaskResults(results, events);
for (String taskName : reprocessFailedTasks) {
LOG.info("Reprocess step failed for task : " + taskName);
if (taskFailureCounter.get(taskName).incrementAndGet() >
TASK_FAILURE_THRESHOLD) {
LOG.info("Blacklisting Task since it failed retry and " +
"reprocess more than " + TASK_FAILURE_THRESHOLD + " times.");
reconDBUpdateTasks.remove(taskName);
}
}
}
} catch (ExecutionException e) {
LOG.error("Unexpected error : ", e);
} finally {
taskSemaphore.release();
}
}
/**
* Store the last completed event sequence number and timestamp to the DB
* for that task.
* @param taskName taskname to be updated.
* @param eventInfo contains the new sequence number and timestamp.
*/
private void storeLastCompletedTransaction(
String taskName, OMDBUpdateEvent.EventInfo eventInfo) {
ReconTaskStatus reconTaskStatusRecord = new ReconTaskStatus(taskName,
eventInfo.getEventTimestampMillis(), eventInfo.getSequenceNumber());
reconTaskStatusDao.update(reconTaskStatusRecord);
}
@Override
public Map<String, ReconDBUpdateTask> getRegisteredTasks() {
return reconDBUpdateTasks;
}
/**
* Wait on results of all tasks.
* @param results Set of Futures.
* @param events Events.
* @return List of failed task names
* @throws ExecutionException execution Exception
* @throws InterruptedException Interrupted Exception
*/
private List<String> processTaskResults(List<Future<Pair>> results,
OMUpdateEventBatch events)
throws ExecutionException, InterruptedException {
List<String> failedTasks = new ArrayList<>();
for (Future<Pair> f : results) {
String taskName = f.get().getLeft().toString();
if (!(Boolean)f.get().getRight()) {
LOG.info("Failed task : " + taskName);
failedTasks.add(f.get().getLeft().toString());
} else {
taskFailureCounter.get(taskName).set(0);
storeLastCompletedTransaction(taskName, events.getLastEventInfo());
}
}
return failedTasks;
}
}

7
hadoop-ozone/ozone-recon/src/test/java/org/apache/hadoop/ozone/recon/api/TestContainerKeyService.java
View File

@ -190,8 +190,11 @@ protected void configure() {
//Generate Recon container DB data.
ContainerKeyMapperTask containerKeyMapperTask = new ContainerKeyMapperTask(
ozoneManagerServiceProvider, containerDbServiceProvider);
containerKeyMapperTask.run();
containerDbServiceProvider,
ozoneManagerServiceProvider.getOMMetadataManagerInstance());
ozoneManagerServiceProvider.updateReconOmDBWithNewSnapshot();
containerKeyMapperTask.reprocess(ozoneManagerServiceProvider
.getOMMetadataManagerInstance());
}
@Test

5
hadoop-ozone/ozone-recon/src/test/java/org/apache/hadoop/ozone/recon/persistence/AbstractSqlDatabaseTest.java
View File

@ -80,7 +80,10 @@ protected DSLContext getDslContext() {
return dslContext;
}
static class DataSourceConfigurationProvider implements
/**
* Local Sqlite datasource provider.
*/
public static class DataSourceConfigurationProvider implements
Provider<DataSourceConfiguration> {
@Override

143
hadoop-ozone/ozone-recon/src/test/java/org/apache/hadoop/ozone/recon/persistence/TestReconInternalSchemaDefinition.java Normal file
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@ -0,0 +1,143 @@
/**
* 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
* <p>
* http://www.apache.org/licenses/LICENSE-2.0
* <p>
* 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.hadoop.ozone.recon.persistence;
import static org.hadoop.ozone.recon.schema.ReconInternalSchemaDefinition.RECON_TASK_STATUS_TABLE_NAME;
import java.sql.Connection;
import java.sql.DatabaseMetaData;
import java.sql.ResultSet;
import java.sql.Types;
import java.util.ArrayList;
import java.util.List;
import javax.sql.DataSource;
import org.apache.commons.lang3.tuple.ImmutablePair;
import org.apache.commons.lang3.tuple.Pair;
import org.hadoop.ozone.recon.schema.ReconInternalSchemaDefinition;
import org.hadoop.ozone.recon.schema.tables.daos.ReconTaskStatusDao;
import org.hadoop.ozone.recon.schema.tables.pojos.ReconTaskStatus;
import org.jooq.Configuration;
import org.junit.Assert;
import org.junit.Test;
/**
* Class used to test ReconInternalSchemaDefinition.
*/
public class TestReconInternalSchemaDefinition extends AbstractSqlDatabaseTest {
@Test
public void testSchemaCreated() throws Exception {
ReconInternalSchemaDefinition schemaDefinition = getInjector().getInstance(
ReconInternalSchemaDefinition.class);
schemaDefinition.initializeSchema();
Connection connection =
getInjector().getInstance(DataSource.class).getConnection();
// Verify table definition
DatabaseMetaData metaData = connection.getMetaData();
ResultSet resultSet = metaData.getColumns(null, null,
RECON_TASK_STATUS_TABLE_NAME, null);
List<Pair<String, Integer>> expectedPairs = new ArrayList<>();
expectedPairs.add(new ImmutablePair<>("task_name", Types.VARCHAR));
expectedPairs.add(new ImmutablePair<>("last_updated_timestamp",
Types.INTEGER));
expectedPairs.add(new ImmutablePair<>("last_updated_seq_number",
Types.INTEGER));
List<Pair<String, Integer>> actualPairs = new ArrayList<>();
while (resultSet.next()) {
actualPairs.add(new ImmutablePair<>(
resultSet.getString("COLUMN_NAME"),
resultSet.getInt("DATA_TYPE")));
}
Assert.assertEquals(3, actualPairs.size());
Assert.assertEquals(expectedPairs, actualPairs);
}
@Test
public void testReconTaskStatusCRUDOperations() throws Exception {
// Verify table exists
ReconInternalSchemaDefinition schemaDefinition = getInjector().getInstance(
ReconInternalSchemaDefinition.class);
schemaDefinition.initializeSchema();
DataSource ds = getInjector().getInstance(DataSource.class);
Connection connection = ds.getConnection();
DatabaseMetaData metaData = connection.getMetaData();
ResultSet resultSet = metaData.getTables(null, null,
RECON_TASK_STATUS_TABLE_NAME, null);
while (resultSet.next()) {
Assert.assertEquals(RECON_TASK_STATUS_TABLE_NAME,
resultSet.getString("TABLE_NAME"));
}
ReconTaskStatusDao dao = new ReconTaskStatusDao(getInjector().getInstance(
Configuration.class));
long now = System.currentTimeMillis();
ReconTaskStatus newRecord = new ReconTaskStatus();
newRecord.setTaskName("HelloWorldTask");
newRecord.setLastUpdatedTimestamp(now);
newRecord.setLastUpdatedSeqNumber(100L);
// Create
dao.insert(newRecord);
ReconTaskStatus newRecord2 = new ReconTaskStatus();
newRecord2.setTaskName("GoodbyeWorldTask");
newRecord2.setLastUpdatedTimestamp(now);
newRecord2.setLastUpdatedSeqNumber(200L);
// Create
dao.insert(newRecord2);
// Read
ReconTaskStatus dbRecord = dao.findById("HelloWorldTask");
Assert.assertEquals("HelloWorldTask", dbRecord.getTaskName());
Assert.assertEquals(Long.valueOf(now), dbRecord.getLastUpdatedTimestamp());
Assert.assertEquals(Long.valueOf(100), dbRecord.getLastUpdatedSeqNumber());
// Update
dbRecord.setLastUpdatedSeqNumber(150L);
dao.update(dbRecord);
// Read updated
dbRecord = dao.findById("HelloWorldTask");
Assert.assertEquals(Long.valueOf(150), dbRecord.getLastUpdatedSeqNumber());
// Delete
dao.deleteById("GoodbyeWorldTask");
// Verify
dbRecord = dao.findById("GoodbyeWorldTask");
Assert.assertNull(dbRecord);
}
}

17
hadoop-ozone/ozone-recon/src/test/java/org/apache/hadoop/ozone/recon/recovery/TestReconOmMetadataManagerImpl.java
View File

@ -22,7 +22,6 @@
import static org.apache.hadoop.ozone.recon.ReconServerConfigKeys.OZONE_RECON_OM_SNAPSHOT_DB_DIR;
import java.io.File;
import java.io.IOException;
import org.apache.hadoop.hdds.conf.OzoneConfiguration;
import org.apache.hadoop.hdds.protocol.proto.HddsProtos;
@ -127,22 +126,6 @@ public void testUpdateOmDB() throws Exception {
.get("/sampleVol/bucketOne/key_one"));
Assert.assertNotNull(reconOMMetadataManager.getKeyTable()
.get("/sampleVol/bucketOne/key_two"));
//Verify that we cannot write data to Recon OM DB (Read Only)
try {
reconOMMetadataManager.getKeyTable().put(
"/sampleVol/bucketOne/fail_key", new OmKeyInfo.Builder()
.setBucketName("bucketOne")
.setVolumeName("sampleVol")
.setKeyName("fail_key")
.setReplicationFactor(HddsProtos.ReplicationFactor.ONE)
.setReplicationType(HddsProtos.ReplicationType.STAND_ALONE)
.build());
Assert.fail();
} catch (IOException e) {
Assert.assertTrue(e.getMessage()
.contains("Not supported operation in read only mode"));
}
}
}

25
hadoop-ozone/ozone-recon/src/test/java/org/apache/hadoop/ozone/recon/spi/impl/TestContainerDBServiceProviderImpl.java
View File

@ -203,4 +203,29 @@ public void testGetKeyPrefixesForContainer() throws Exception {
assertTrue(keyPrefixMap.size() == 1);
assertTrue(keyPrefixMap.get(containerKeyPrefix3) == 3);
}
@Test
public void testDeleteContainerMapping() throws IOException {
long containerId = System.currentTimeMillis();
ContainerKeyPrefix containerKeyPrefix1 = new
ContainerKeyPrefix(containerId, "V3/B1/K1", 0);
containerDbServiceProvider.storeContainerKeyMapping(containerKeyPrefix1,
1);
ContainerKeyPrefix containerKeyPrefix2 = new ContainerKeyPrefix(
containerId, "V3/B1/K2", 0);
containerDbServiceProvider.storeContainerKeyMapping(containerKeyPrefix2,
2);
Map<ContainerKeyPrefix, Integer> keyPrefixMap =
containerDbServiceProvider.getKeyPrefixesForContainer(containerId);
assertTrue(keyPrefixMap.size() == 2);
containerDbServiceProvider.deleteContainerMapping(new ContainerKeyPrefix(
containerId, "V3/B1/K2", 0));
keyPrefixMap =
containerDbServiceProvider.getKeyPrefixesForContainer(containerId);
assertTrue(keyPrefixMap.size() == 1);
}
}

77
hadoop-ozone/ozone-recon/src/test/java/org/apache/hadoop/ozone/recon/tasks/DummyReconDBTask.java Normal file
View File

@ -0,0 +1,77 @@
/**
* 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
* <p>
* http://www.apache.org/licenses/LICENSE-2.0
* <p>
* 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.hadoop.ozone.recon.tasks;
import java.util.Collection;
import java.util.Collections;
import org.apache.commons.lang3.tuple.ImmutablePair;
import org.apache.commons.lang3.tuple.Pair;
import org.apache.hadoop.ozone.om.OMMetadataManager;
/**
* Dummy Recon task that has 3 modes of operations.
* ALWAYS_FAIL / FAIL_ONCE / ALWAYS_PASS
*/
public class DummyReconDBTask extends ReconDBUpdateTask {
private int numFailuresAllowed = Integer.MIN_VALUE;
private int callCtr = 0;
public DummyReconDBTask(String taskName, TaskType taskType) {
super(taskName);
if (taskType.equals(TaskType.FAIL_ONCE)) {
numFailuresAllowed = 1;
} else if (taskType.equals(TaskType.ALWAYS_FAIL)) {
numFailuresAllowed = Integer.MAX_VALUE;
}
}
@Override
protected Collection<String> getTaskTables() {
return Collections.singletonList("volumeTable");
}
@Override
Pair<String, Boolean> process(OMUpdateEventBatch events) {
if (++callCtr <= numFailuresAllowed) {
return new ImmutablePair<>(getTaskName(), false);
} else {
return new ImmutablePair<>(getTaskName(), true);
}
}
@Override
Pair<String, Boolean> reprocess(OMMetadataManager omMetadataManager) {
if (++callCtr <= numFailuresAllowed) {
return new ImmutablePair<>(getTaskName(), false);
} else {
return new ImmutablePair<>(getTaskName(), true);
}
}
/**
* Type of the task.
*/
public enum TaskType {
ALWAYS_PASS,
FAIL_ONCE,
ALWAYS_FAIL
}
}

155
hadoop-ozone/ozone-recon/src/test/java/org/apache/hadoop/ozone/recon/tasks/TestContainerKeyMapperTask.java
View File

@ -23,10 +23,7 @@
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertTrue;
import java.io.File;
import java.io.FileInputStream;
import java.io.IOException;
import java.io.InputStream;
import java.util.ArrayList;
import java.util.Collections;
import java.util.List;
@ -34,9 +31,10 @@
import org.apache.hadoop.hdds.client.BlockID;
import org.apache.hadoop.hdds.conf.OzoneConfiguration;
import org.apache.hadoop.hdds.protocol.proto.HddsProtos;
import org.apache.hadoop.hdds.scm.pipeline.Pipeline;
import org.apache.hadoop.ozone.OmUtils;
import org.apache.hadoop.ozone.om.OMMetadataManager;
import org.apache.hadoop.ozone.om.helpers.OmKeyInfo;
import org.apache.hadoop.ozone.om.helpers.OmKeyLocationInfo;
import org.apache.hadoop.ozone.om.helpers.OmKeyLocationInfoGroup;
import org.apache.hadoop.ozone.recon.AbstractOMMetadataManagerTest;
@ -48,14 +46,11 @@
import org.apache.hadoop.ozone.recon.spi.impl.ContainerDBServiceProviderImpl;
import org.apache.hadoop.ozone.recon.spi.impl.OzoneManagerServiceProviderImpl;
import org.apache.hadoop.ozone.recon.spi.impl.ReconContainerDBProvider;
import org.apache.hadoop.utils.db.DBCheckpoint;
import org.apache.hadoop.utils.db.DBStore;
import org.apache.http.impl.client.CloseableHttpClient;
import org.junit.Assert;
import org.junit.Before;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.powermock.api.mockito.PowerMockito;
import org.powermock.core.classloader.annotations.PowerMockIgnore;
import org.powermock.core.classloader.annotations.PrepareForTest;
import org.powermock.modules.junit4.PowerMockRunner;
@ -110,7 +105,7 @@ protected void configure() {
}
@Test
public void testRun() throws Exception{
public void testReprocessOMDB() throws Exception{
Map<ContainerKeyPrefix, Integer> keyPrefixesForContainer =
containerDbServiceProvider.getKeyPrefixesForContainer(1);
@ -137,25 +132,17 @@ public void testRun() throws Exception{
OmKeyLocationInfoGroup omKeyLocationInfoGroup = new
OmKeyLocationInfoGroup(0, omKeyLocationInfoList);
writeDataToOm(omMetadataManager,
writeDataToOm(reconOMMetadataManager,
"key_one",
"bucketOne",
"sampleVol",
Collections.singletonList(omKeyLocationInfoGroup));
//Take snapshot of OM DB and copy over to Recon OM DB.
DBCheckpoint checkpoint = omMetadataManager.getStore()
.getCheckpoint(true);
File tarFile = OmUtils.createTarFile(checkpoint.getCheckpointLocation());
InputStream inputStream = new FileInputStream(tarFile);
PowerMockito.stub(PowerMockito.method(ReconUtils.class,
"makeHttpCall",
CloseableHttpClient.class, String.class))
.toReturn(inputStream);
ContainerKeyMapperTask containerKeyMapperTask = new ContainerKeyMapperTask(
ozoneManagerServiceProvider, containerDbServiceProvider);
containerKeyMapperTask.run();
ContainerKeyMapperTask containerKeyMapperTask =
new ContainerKeyMapperTask(containerDbServiceProvider,
ozoneManagerServiceProvider.getOMMetadataManagerInstance());
containerKeyMapperTask.reprocess(ozoneManagerServiceProvider
.getOMMetadataManagerInstance());
keyPrefixesForContainer =
containerDbServiceProvider.getKeyPrefixesForContainer(1);
@ -176,6 +163,130 @@ public void testRun() throws Exception{
keyPrefixesForContainer.get(containerKeyPrefix).intValue());
}
@Test
public void testProcessOMEvents() throws IOException {
Map<ContainerKeyPrefix, Integer> keyPrefixesForContainer =
containerDbServiceProvider.getKeyPrefixesForContainer(1);
assertTrue(keyPrefixesForContainer.isEmpty());
keyPrefixesForContainer = containerDbServiceProvider
.getKeyPrefixesForContainer(2);
assertTrue(keyPrefixesForContainer.isEmpty());
Pipeline pipeline = getRandomPipeline();
List<OmKeyLocationInfo> omKeyLocationInfoList = new ArrayList<>();
BlockID blockID1 = new BlockID(1, 1);
OmKeyLocationInfo omKeyLocationInfo1 = getOmKeyLocationInfo(blockID1,
pipeline);
BlockID blockID2 = new BlockID(2, 1);
OmKeyLocationInfo omKeyLocationInfo2
= getOmKeyLocationInfo(blockID2, pipeline);
omKeyLocationInfoList.add(omKeyLocationInfo1);
omKeyLocationInfoList.add(omKeyLocationInfo2);
OmKeyLocationInfoGroup omKeyLocationInfoGroup = new
OmKeyLocationInfoGroup(0, omKeyLocationInfoList);
String bucket = "bucketOne";
String volume = "sampleVol";
String key = "key_one";
String omKey = omMetadataManager.getOzoneKey(volume, bucket, key);
OmKeyInfo omKeyInfo = buildOmKeyInfo(volume, bucket, key,
omKeyLocationInfoGroup);
OMDBUpdateEvent keyEvent1 = new OMDBUpdateEvent.
OMUpdateEventBuilder<String, OmKeyInfo>()
.setKey(omKey)
.setValue(omKeyInfo)
.setTable(omMetadataManager.getKeyTable().getName())
.setAction(OMDBUpdateEvent.OMDBUpdateAction.PUT)
.build();
BlockID blockID3 = new BlockID(1, 2);
OmKeyLocationInfo omKeyLocationInfo3 =
getOmKeyLocationInfo(blockID3, pipeline);
BlockID blockID4 = new BlockID(3, 1);
OmKeyLocationInfo omKeyLocationInfo4
= getOmKeyLocationInfo(blockID4, pipeline);
omKeyLocationInfoList = new ArrayList<>();
omKeyLocationInfoList.add(omKeyLocationInfo3);
omKeyLocationInfoList.add(omKeyLocationInfo4);
omKeyLocationInfoGroup = new OmKeyLocationInfoGroup(0,
omKeyLocationInfoList);
String key2 = "key_two";
writeDataToOm(reconOMMetadataManager, key2, bucket, volume, Collections
.singletonList(omKeyLocationInfoGroup));
omKey = omMetadataManager.getOzoneKey(volume, bucket, key2);
OMDBUpdateEvent keyEvent2 = new OMDBUpdateEvent.
OMUpdateEventBuilder<String, OmKeyInfo>()
.setKey(omKey)
.setAction(OMDBUpdateEvent.OMDBUpdateAction.DELETE)
.setTable(omMetadataManager.getKeyTable().getName())
.build();
OMUpdateEventBatch omUpdateEventBatch = new OMUpdateEventBatch(new
ArrayList<OMDBUpdateEvent>() {{
add(keyEvent1);
add(keyEvent2);
}});
ContainerKeyMapperTask containerKeyMapperTask =
new ContainerKeyMapperTask(containerDbServiceProvider,
ozoneManagerServiceProvider.getOMMetadataManagerInstance());
containerKeyMapperTask.reprocess(ozoneManagerServiceProvider
.getOMMetadataManagerInstance());
keyPrefixesForContainer = containerDbServiceProvider
.getKeyPrefixesForContainer(1);
assertTrue(keyPrefixesForContainer.size() == 1);
keyPrefixesForContainer = containerDbServiceProvider
.getKeyPrefixesForContainer(2);
assertTrue(keyPrefixesForContainer.isEmpty());
keyPrefixesForContainer = containerDbServiceProvider
.getKeyPrefixesForContainer(3);
assertTrue(keyPrefixesForContainer.size() == 1);
// Process PUT & DELETE event.
containerKeyMapperTask.process(omUpdateEventBatch);
keyPrefixesForContainer = containerDbServiceProvider
.getKeyPrefixesForContainer(1);
assertTrue(keyPrefixesForContainer.size() == 1);
keyPrefixesForContainer = containerDbServiceProvider
.getKeyPrefixesForContainer(2);
assertTrue(keyPrefixesForContainer.size() == 1);
keyPrefixesForContainer = containerDbServiceProvider
.getKeyPrefixesForContainer(3);
assertTrue(keyPrefixesForContainer.isEmpty());
}
private OmKeyInfo buildOmKeyInfo(String volume,
String bucket,
String key,
OmKeyLocationInfoGroup
omKeyLocationInfoGroup) {
return new OmKeyInfo.Builder()
.setBucketName(bucket)
.setVolumeName(volume)
.setKeyName(key)
.setReplicationFactor(HddsProtos.ReplicationFactor.ONE)
.setReplicationType(HddsProtos.ReplicationType.STAND_ALONE)
.setOmKeyLocationInfos(Collections.singletonList(
omKeyLocationInfoGroup))
.build();
}
/**
* Get Test OzoneConfiguration instance.
* @return OzoneConfiguration

207
hadoop-ozone/ozone-recon/src/test/java/org/apache/hadoop/ozone/recon/tasks/TestOMDBUpdatesHandler.java Normal file
View File

@ -0,0 +1,207 @@
/**
* 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
* <p>
* http://www.apache.org/licenses/LICENSE-2.0
* <p>
* 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.hadoop.ozone.recon.tasks;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertNotNull;
import static org.junit.Assert.assertTrue;
import java.io.File;
import java.io.IOException;
import java.util.ArrayList;
import java.util.List;
import org.apache.hadoop.hdds.conf.OzoneConfiguration;
import org.apache.hadoop.hdds.protocol.proto.HddsProtos;
import org.apache.hadoop.hdds.server.ServerUtils;
import org.apache.hadoop.ozone.om.OmMetadataManagerImpl;
import org.apache.hadoop.ozone.om.helpers.OmBucketInfo;
import org.apache.hadoop.ozone.om.helpers.OmKeyInfo;
import org.apache.hadoop.ozone.om.helpers.OmVolumeArgs;
import org.apache.hadoop.utils.db.RDBStore;
import org.junit.Rule;
import org.junit.Test;
import org.junit.rules.TemporaryFolder;
import org.rocksdb.RocksDB;
import org.rocksdb.TransactionLogIterator;
import org.rocksdb.WriteBatch;
/**
* Class used to test OMDBUpdatesHandler.
*/
public class TestOMDBUpdatesHandler {
@Rule
public TemporaryFolder folder = new TemporaryFolder();
private OzoneConfiguration createNewTestPath() throws IOException {
OzoneConfiguration configuration = new OzoneConfiguration();
File newFolder = folder.newFolder();
if (!newFolder.exists()) {
assertTrue(newFolder.mkdirs());
}
ServerUtils.setOzoneMetaDirPath(configuration, newFolder.toString());
return configuration;
}
@Test
public void testPut() throws Exception {
OzoneConfiguration configuration = createNewTestPath();
OmMetadataManagerImpl metaMgr = new OmMetadataManagerImpl(configuration);
String volumeKey = metaMgr.getVolumeKey("sampleVol");
OmVolumeArgs args =
OmVolumeArgs.newBuilder()
.setVolume("sampleVol")
.setAdminName("bilbo")
.setOwnerName("bilbo")
.build();
metaMgr.getVolumeTable().put(volumeKey, args);
OmKeyInfo omKeyInfo = new OmKeyInfo.Builder()
.setBucketName("bucketOne")
.setVolumeName("sampleVol")
.setKeyName("key_one")
.setReplicationFactor(HddsProtos.ReplicationFactor.ONE)
.setReplicationType(HddsProtos.ReplicationType.STAND_ALONE)
.build();
metaMgr.getKeyTable().put("/sampleVol/bucketOne/key_one", omKeyInfo);
RDBStore rdbStore = (RDBStore) metaMgr.getStore();
RocksDB rocksDB = rdbStore.getDb();
TransactionLogIterator transactionLogIterator =
rocksDB.getUpdatesSince(0);
List<byte[]> writeBatches = new ArrayList<>();
while(transactionLogIterator.isValid()) {
TransactionLogIterator.BatchResult result =
transactionLogIterator.getBatch();
result.writeBatch().markWalTerminationPoint();
WriteBatch writeBatch = result.writeBatch();
writeBatches.add(writeBatch.data());
transactionLogIterator.next();
}
OzoneConfiguration conf2 = createNewTestPath();
OmMetadataManagerImpl reconOmmetaMgr = new OmMetadataManagerImpl(conf2);
List<OMDBUpdateEvent> events = new ArrayList<>();
for (byte[] data : writeBatches) {
WriteBatch writeBatch = new WriteBatch(data);
OMDBUpdatesHandler omdbUpdatesHandler =
new OMDBUpdatesHandler(reconOmmetaMgr);
writeBatch.iterate(omdbUpdatesHandler);
events.addAll(omdbUpdatesHandler.getEvents());
}
assertNotNull(events);
assertTrue(events.size() == 2);
OMDBUpdateEvent volEvent = events.get(0);
assertEquals(OMDBUpdateEvent.OMDBUpdateAction.PUT, volEvent.getAction());
assertEquals(volumeKey, volEvent.getKey());
assertEquals(args.getVolume(), ((OmVolumeArgs)volEvent.getValue())
.getVolume());
OMDBUpdateEvent keyEvent = events.get(1);
assertEquals(OMDBUpdateEvent.OMDBUpdateAction.PUT, keyEvent.getAction());
assertEquals("/sampleVol/bucketOne/key_one", keyEvent.getKey());
assertEquals(omKeyInfo.getBucketName(),
((OmKeyInfo)keyEvent.getValue()).getBucketName());
}
@Test
public void testDelete() throws Exception {
OzoneConfiguration configuration = createNewTestPath();
OmMetadataManagerImpl metaMgr = new OmMetadataManagerImpl(configuration);
String volumeKey = metaMgr.getVolumeKey("sampleVol");
OmVolumeArgs args =
OmVolumeArgs.newBuilder()
.setVolume("sampleVol")
.setAdminName("bilbo")
.setOwnerName("bilbo")
.build();
metaMgr.getVolumeTable().put(volumeKey, args);
OmKeyInfo omKeyInfo = new OmKeyInfo.Builder()
.setBucketName("bucketOne")
.setVolumeName("sampleVol")
.setKeyName("key_one")
.setReplicationFactor(HddsProtos.ReplicationFactor.ONE)
.setReplicationType(HddsProtos.ReplicationType.STAND_ALONE)
.build();
metaMgr.getKeyTable().put("/sampleVol/bucketOne/key_one", omKeyInfo);
metaMgr.getKeyTable().delete("/sampleVol/bucketOne/key_one");
metaMgr.getVolumeTable().delete(volumeKey);
RDBStore rdbStore = (RDBStore) metaMgr.getStore();
RocksDB rocksDB = rdbStore.getDb();
TransactionLogIterator transactionLogIterator =
rocksDB.getUpdatesSince(0);
List<byte[]> writeBatches = new ArrayList<>();
while(transactionLogIterator.isValid()) {
TransactionLogIterator.BatchResult result =
transactionLogIterator.getBatch();
result.writeBatch().markWalTerminationPoint();
WriteBatch writeBatch = result.writeBatch();
writeBatches.add(writeBatch.data());
transactionLogIterator.next();
}
OzoneConfiguration conf2 = createNewTestPath();
OmMetadataManagerImpl reconOmmetaMgr = new OmMetadataManagerImpl(conf2);
List<OMDBUpdateEvent> events = new ArrayList<>();
for (byte[] data : writeBatches) {
WriteBatch writeBatch = new WriteBatch(data);
OMDBUpdatesHandler omdbUpdatesHandler =
new OMDBUpdatesHandler(reconOmmetaMgr);
writeBatch.iterate(omdbUpdatesHandler);
events.addAll(omdbUpdatesHandler.getEvents());
}
assertNotNull(events);
assertTrue(events.size() == 4);
OMDBUpdateEvent keyEvent = events.get(2);
assertEquals(OMDBUpdateEvent.OMDBUpdateAction.DELETE, keyEvent.getAction());
assertEquals("/sampleVol/bucketOne/key_one", keyEvent.getKey());
OMDBUpdateEvent volEvent = events.get(3);
assertEquals(OMDBUpdateEvent.OMDBUpdateAction.DELETE, volEvent.getAction());
assertEquals(volumeKey, volEvent.getKey());
}
@Test
public void testGetValueType() throws IOException {
OzoneConfiguration configuration = createNewTestPath();
OmMetadataManagerImpl metaMgr = new OmMetadataManagerImpl(configuration);
OMDBUpdatesHandler omdbUpdatesHandler =
new OMDBUpdatesHandler(metaMgr);
assertEquals(OmKeyInfo.class, omdbUpdatesHandler.getValueType(
metaMgr.getKeyTable().getName()));
assertEquals(OmVolumeArgs.class, omdbUpdatesHandler.getValueType(
metaMgr.getVolumeTable().getName()));
assertEquals(OmBucketInfo.class, omdbUpdatesHandler.getValueType(
metaMgr.getBucketTable().getName()));
}
}

171
hadoop-ozone/ozone-recon/src/test/java/org/apache/hadoop/ozone/recon/tasks/TestReconTaskControllerImpl.java Normal file
View File

@ -0,0 +1,171 @@
/**
* 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
* <p>
* http://www.apache.org/licenses/LICENSE-2.0
* <p>
* 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.hadoop.ozone.recon.tasks;
import static org.apache.hadoop.ozone.om.OMConfigKeys.OZONE_OM_DB_DIRS;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertFalse;
import static org.junit.Assert.assertTrue;
import static org.mockito.ArgumentMatchers.any;
import static org.mockito.Mockito.mock;
import static org.mockito.Mockito.times;
import static org.mockito.Mockito.verify;
import static org.mockito.Mockito.when;
import java.io.File;
import java.util.Collections;
import org.apache.commons.lang3.tuple.ImmutablePair;
import org.apache.hadoop.hdds.conf.OzoneConfiguration;
import org.apache.hadoop.ozone.recon.persistence.AbstractSqlDatabaseTest;
import org.apache.hadoop.ozone.recon.recovery.ReconOMMetadataManager;
import org.apache.hadoop.ozone.recon.recovery.ReconOmMetadataManagerImpl;
import org.hadoop.ozone.recon.schema.ReconInternalSchemaDefinition;
import org.hadoop.ozone.recon.schema.tables.daos.ReconTaskStatusDao;
import org.hadoop.ozone.recon.schema.tables.pojos.ReconTaskStatus;
import org.jooq.Configuration;
import org.junit.Assert;
import org.junit.Before;
import org.junit.Test;
/**
* Class used to test ReconTaskControllerImpl.
*/
public class TestReconTaskControllerImpl extends AbstractSqlDatabaseTest {
private ReconTaskController reconTaskController;
private Configuration sqlConfiguration;
@Before
public void setUp() throws Exception {
File omDbDir = temporaryFolder.newFolder();
OzoneConfiguration ozoneConfiguration = new OzoneConfiguration();
ozoneConfiguration.set(OZONE_OM_DB_DIRS, omDbDir.getAbsolutePath());
ReconOMMetadataManager omMetadataManager = new ReconOmMetadataManagerImpl(
ozoneConfiguration);
sqlConfiguration = getInjector()
.getInstance(Configuration.class);
ReconInternalSchemaDefinition schemaDefinition = getInjector().
getInstance(ReconInternalSchemaDefinition.class);
schemaDefinition.initializeSchema();
reconTaskController = new ReconTaskControllerImpl(ozoneConfiguration,
omMetadataManager, sqlConfiguration);
}
@Test
public void testRegisterTask() throws Exception {
String taskName = "Dummy_" + System.currentTimeMillis();
DummyReconDBTask dummyReconDBTask =
new DummyReconDBTask(taskName, DummyReconDBTask.TaskType.ALWAYS_PASS);
reconTaskController.registerTask(dummyReconDBTask);
assertTrue(reconTaskController.getRegisteredTasks().size() == 1);
assertTrue(reconTaskController.getRegisteredTasks()
.get(dummyReconDBTask.getTaskName()) == dummyReconDBTask);
}
@Test
public void testConsumeOMEvents() throws Exception {
ReconDBUpdateTask reconDBUpdateTaskMock = mock(ReconDBUpdateTask.class);
when(reconDBUpdateTaskMock.getTaskTables()).thenReturn(Collections
.EMPTY_LIST);
when(reconDBUpdateTaskMock.getTaskName()).thenReturn("MockTask");
when(reconDBUpdateTaskMock.process(any(OMUpdateEventBatch.class)))
.thenReturn(new ImmutablePair<>("MockTask", true));
reconTaskController.registerTask(reconDBUpdateTaskMock);
reconTaskController.consumeOMEvents(
new OMUpdateEventBatch(Collections.emptyList()));
verify(reconDBUpdateTaskMock, times(1))
.process(any());
}
@Test
public void testFailedTaskRetryLogic() throws Exception {
String taskName = "Dummy_" + System.currentTimeMillis();
DummyReconDBTask dummyReconDBTask =
new DummyReconDBTask(taskName, DummyReconDBTask.TaskType.FAIL_ONCE);
reconTaskController.registerTask(dummyReconDBTask);
long currentTime = System.nanoTime();
OMDBUpdateEvent.EventInfo eventInfoMock = mock(
OMDBUpdateEvent.EventInfo.class);
when(eventInfoMock.getSequenceNumber()).thenReturn(100L);
when(eventInfoMock.getEventTimestampMillis()).thenReturn(currentTime);
OMUpdateEventBatch omUpdateEventBatchMock = mock(OMUpdateEventBatch.class);
when(omUpdateEventBatchMock.getLastEventInfo()).thenReturn(eventInfoMock);
reconTaskController.consumeOMEvents(omUpdateEventBatchMock);
assertFalse(reconTaskController.getRegisteredTasks().isEmpty());
assertEquals(dummyReconDBTask, reconTaskController.getRegisteredTasks()
.get(dummyReconDBTask.getTaskName()));
ReconTaskStatusDao dao = new ReconTaskStatusDao(sqlConfiguration);
ReconTaskStatus dbRecord = dao.findById(taskName);
Assert.assertEquals(taskName, dbRecord.getTaskName());
Assert.assertEquals(Long.valueOf(currentTime),
dbRecord.getLastUpdatedTimestamp());
Assert.assertEquals(Long.valueOf(100L), dbRecord.getLastUpdatedSeqNumber());
}
@Test
public void testBadBehavedTaskBlacklisting() throws Exception {
String taskName = "Dummy_" + System.currentTimeMillis();
DummyReconDBTask dummyReconDBTask =
new DummyReconDBTask(taskName, DummyReconDBTask.TaskType.ALWAYS_FAIL);
reconTaskController.registerTask(dummyReconDBTask);
long currentTime = System.nanoTime();
OMDBUpdateEvent.EventInfo eventInfoMock =
mock(OMDBUpdateEvent.EventInfo.class);
when(eventInfoMock.getSequenceNumber()).thenReturn(100L);
when(eventInfoMock.getEventTimestampMillis()).thenReturn(currentTime);
OMUpdateEventBatch omUpdateEventBatchMock = mock(OMUpdateEventBatch.class);
when(omUpdateEventBatchMock.getLastEventInfo()).thenReturn(eventInfoMock);
for (int i = 0; i < 2; i++) {
reconTaskController.consumeOMEvents(omUpdateEventBatchMock);
assertFalse(reconTaskController.getRegisteredTasks().isEmpty());
assertEquals(dummyReconDBTask, reconTaskController.getRegisteredTasks()
.get(dummyReconDBTask.getTaskName()));
}
//Should be blacklisted now.
reconTaskController.consumeOMEvents(
new OMUpdateEventBatch(Collections.emptyList()));
assertTrue(reconTaskController.getRegisteredTasks().isEmpty());
ReconTaskStatusDao dao = new ReconTaskStatusDao(sqlConfiguration);
ReconTaskStatus dbRecord = dao.findById(taskName);
Assert.assertEquals(taskName, dbRecord.getTaskName());
Assert.assertEquals(Long.valueOf(0L), dbRecord.getLastUpdatedTimestamp());
Assert.assertEquals(Long.valueOf(0L), dbRecord.getLastUpdatedSeqNumber());
}
}