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ObjectStore.java
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ObjectStore.java
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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.hadoop.hive.metastore;
import static org.apache.commons.lang3.StringUtils.join;
import static org.apache.hadoop.hive.metastore.conf.MetastoreConf.ConfVars.COMPACTOR_USE_CUSTOM_POOL;
import static org.apache.hadoop.hive.metastore.utils.MetaStoreUtils.getDefaultCatalog;
import static org.apache.hadoop.hive.metastore.utils.StringUtils.normalizeIdentifier;
import java.io.IOException;
import java.net.InetAddress;
import java.net.URI;
import java.nio.ByteBuffer;
import java.sql.Connection;
import java.sql.SQLException;
import java.sql.SQLIntegrityConstraintViolationException;
import java.sql.Statement;
import java.time.Instant;
import java.time.LocalDateTime;
import java.time.ZoneId;
import java.time.ZonedDateTime;
import java.time.format.DateTimeFormatter;
import java.util.ArrayList;
import java.util.Collection;
import java.util.Collections;
import java.util.Comparator;
import java.util.HashMap;
import java.util.HashSet;
import java.util.Iterator;
import java.util.LinkedList;
import java.util.List;
import java.util.Map;
import java.util.Map.Entry;
import java.util.Optional;
import java.util.Set;
import java.util.TreeSet;
import java.util.UUID;
import java.util.concurrent.TimeUnit;
import java.util.concurrent.atomic.AtomicBoolean;
import java.util.concurrent.locks.Lock;
import java.util.regex.Pattern;
import javax.jdo.JDODataStoreException;
import javax.jdo.JDOException;
import javax.jdo.JDOObjectNotFoundException;
import javax.jdo.PersistenceManager;
import javax.jdo.Query;
import javax.jdo.Transaction;
import javax.jdo.datastore.JDOConnection;
import javax.jdo.identity.IntIdentity;
import com.google.common.base.Supplier;
import com.google.common.util.concurrent.Striped;
import org.apache.commons.collections.CollectionUtils;
import org.apache.commons.lang3.ArrayUtils;
import org.apache.commons.lang3.StringUtils;
import org.apache.commons.lang3.exception.ExceptionUtils;
import org.apache.commons.lang3.tuple.Pair;
import org.apache.hadoop.classification.InterfaceAudience;
import org.apache.hadoop.classification.InterfaceStability;
import org.apache.hadoop.conf.Configurable;
import org.apache.hadoop.conf.Configuration;
import org.apache.hadoop.fs.Path;
import org.apache.hadoop.hive.common.DatabaseName;
import org.apache.hadoop.hive.common.StatsSetupConst;
import org.apache.hadoop.hive.common.TableName;
import org.apache.hadoop.hive.common.ValidReaderWriteIdList;
import org.apache.hadoop.hive.common.ValidWriteIdList;
import org.apache.hadoop.hive.metastore.MetaStoreDirectSql.SqlFilterForPushdown;
import org.apache.hadoop.hive.metastore.api.AggrStats;
import org.apache.hadoop.hive.metastore.api.AllTableConstraintsRequest;
import org.apache.hadoop.hive.metastore.api.AlreadyExistsException;
import org.apache.hadoop.hive.metastore.api.Catalog;
import org.apache.hadoop.hive.metastore.api.CheckConstraintsRequest;
import org.apache.hadoop.hive.metastore.api.ColumnStatistics;
import org.apache.hadoop.hive.metastore.api.ColumnStatisticsDesc;
import org.apache.hadoop.hive.metastore.api.ColumnStatisticsObj;
import org.apache.hadoop.hive.metastore.api.CreationMetadata;
import org.apache.hadoop.hive.metastore.api.CurrentNotificationEventId;
import org.apache.hadoop.hive.metastore.api.Database;
import org.apache.hadoop.hive.metastore.api.AddPackageRequest;
import org.apache.hadoop.hive.metastore.api.DefaultConstraintsRequest;
import org.apache.hadoop.hive.metastore.api.DropPackageRequest;
import org.apache.hadoop.hive.metastore.api.DatabaseType;
import org.apache.hadoop.hive.metastore.api.DataConnector;
import org.apache.hadoop.hive.metastore.api.FieldSchema;
import org.apache.hadoop.hive.metastore.api.FileMetadataExprType;
import org.apache.hadoop.hive.metastore.api.ForeignKeysRequest;
import org.apache.hadoop.hive.metastore.api.Function;
import org.apache.hadoop.hive.metastore.api.FunctionType;
import org.apache.hadoop.hive.metastore.api.GetPackageRequest;
import org.apache.hadoop.hive.metastore.api.GetPartitionsFilterSpec;
import org.apache.hadoop.hive.metastore.api.GetProjectionsSpec;
import org.apache.hadoop.hive.metastore.api.HiveObjectPrivilege;
import org.apache.hadoop.hive.metastore.api.HiveObjectRef;
import org.apache.hadoop.hive.metastore.api.HiveObjectType;
import org.apache.hadoop.hive.metastore.api.ISchema;
import org.apache.hadoop.hive.metastore.api.ISchemaName;
import org.apache.hadoop.hive.metastore.api.InvalidInputException;
import org.apache.hadoop.hive.metastore.api.InvalidObjectException;
import org.apache.hadoop.hive.metastore.api.InvalidOperationException;
import org.apache.hadoop.hive.metastore.api.InvalidPartitionException;
import org.apache.hadoop.hive.metastore.api.ListPackageRequest;
import org.apache.hadoop.hive.metastore.api.ListStoredProcedureRequest;
import org.apache.hadoop.hive.metastore.api.MetaException;
import org.apache.hadoop.hive.metastore.api.NoSuchObjectException;
import org.apache.hadoop.hive.metastore.api.NotNullConstraintsRequest;
import org.apache.hadoop.hive.metastore.api.NotificationEvent;
import org.apache.hadoop.hive.metastore.api.NotificationEventRequest;
import org.apache.hadoop.hive.metastore.api.NotificationEventResponse;
import org.apache.hadoop.hive.metastore.api.NotificationEventsCountRequest;
import org.apache.hadoop.hive.metastore.api.NotificationEventsCountResponse;
import org.apache.hadoop.hive.metastore.api.Order;
import org.apache.hadoop.hive.metastore.api.Package;
import org.apache.hadoop.hive.metastore.api.Partition;
import org.apache.hadoop.hive.metastore.api.PartitionEventType;
import org.apache.hadoop.hive.metastore.api.PartitionFilterMode;
import org.apache.hadoop.hive.metastore.api.PartitionValuesResponse;
import org.apache.hadoop.hive.metastore.api.PartitionValuesRow;
import org.apache.hadoop.hive.metastore.api.PrimaryKeysRequest;
import org.apache.hadoop.hive.metastore.api.PrincipalPrivilegeSet;
import org.apache.hadoop.hive.metastore.api.PrincipalType;
import org.apache.hadoop.hive.metastore.api.PrivilegeBag;
import org.apache.hadoop.hive.metastore.api.PrivilegeGrantInfo;
import org.apache.hadoop.hive.metastore.api.QueryState;
import org.apache.hadoop.hive.metastore.api.ResourceType;
import org.apache.hadoop.hive.metastore.api.ResourceUri;
import org.apache.hadoop.hive.metastore.api.Role;
import org.apache.hadoop.hive.metastore.api.RolePrincipalGrant;
import org.apache.hadoop.hive.metastore.api.RuntimeStat;
import org.apache.hadoop.hive.metastore.api.ReplicationMetricList;
import org.apache.hadoop.hive.metastore.api.GetReplicationMetricsRequest;
import org.apache.hadoop.hive.metastore.api.ReplicationMetrics;
import org.apache.hadoop.hive.metastore.api.SQLAllTableConstraints;
import org.apache.hadoop.hive.metastore.api.SQLCheckConstraint;
import org.apache.hadoop.hive.metastore.api.SQLDefaultConstraint;
import org.apache.hadoop.hive.metastore.api.SQLForeignKey;
import org.apache.hadoop.hive.metastore.api.SQLNotNullConstraint;
import org.apache.hadoop.hive.metastore.api.SQLPrimaryKey;
import org.apache.hadoop.hive.metastore.api.SQLUniqueConstraint;
import org.apache.hadoop.hive.metastore.api.ScheduledQuery;
import org.apache.hadoop.hive.metastore.api.ScheduledQueryKey;
import org.apache.hadoop.hive.metastore.api.ScheduledQueryMaintenanceRequest;
import org.apache.hadoop.hive.metastore.api.ScheduledQueryPollRequest;
import org.apache.hadoop.hive.metastore.api.ScheduledQueryPollResponse;
import org.apache.hadoop.hive.metastore.api.ScheduledQueryProgressInfo;
import org.apache.hadoop.hive.metastore.api.SchemaCompatibility;
import org.apache.hadoop.hive.metastore.api.SchemaType;
import org.apache.hadoop.hive.metastore.api.SchemaValidation;
import org.apache.hadoop.hive.metastore.api.SchemaVersion;
import org.apache.hadoop.hive.metastore.api.SchemaVersionDescriptor;
import org.apache.hadoop.hive.metastore.api.SchemaVersionState;
import org.apache.hadoop.hive.metastore.api.SerDeInfo;
import org.apache.hadoop.hive.metastore.api.SerdeType;
import org.apache.hadoop.hive.metastore.api.SkewedInfo;
import org.apache.hadoop.hive.metastore.api.SourceTable;
import org.apache.hadoop.hive.metastore.api.StorageDescriptor;
import org.apache.hadoop.hive.metastore.api.StoredProcedure;
import org.apache.hadoop.hive.metastore.api.Table;
import org.apache.hadoop.hive.metastore.api.TableMeta;
import org.apache.hadoop.hive.metastore.api.Type;
import org.apache.hadoop.hive.metastore.api.UniqueConstraintsRequest;
import org.apache.hadoop.hive.metastore.api.UnknownDBException;
import org.apache.hadoop.hive.metastore.api.UnknownPartitionException;
import org.apache.hadoop.hive.metastore.api.UnknownTableException;
import org.apache.hadoop.hive.metastore.api.WMFullResourcePlan;
import org.apache.hadoop.hive.metastore.api.WMMapping;
import org.apache.hadoop.hive.metastore.api.WMNullablePool;
import org.apache.hadoop.hive.metastore.api.WMNullableResourcePlan;
import org.apache.hadoop.hive.metastore.api.WMPool;
import org.apache.hadoop.hive.metastore.api.WMPoolTrigger;
import org.apache.hadoop.hive.metastore.api.WMResourcePlan;
import org.apache.hadoop.hive.metastore.api.WMResourcePlanStatus;
import org.apache.hadoop.hive.metastore.api.WMTrigger;
import org.apache.hadoop.hive.metastore.api.WMValidateResourcePlanResponse;
import org.apache.hadoop.hive.metastore.api.WriteEventInfo;
import org.apache.hadoop.hive.metastore.conf.MetastoreConf;
import org.apache.hadoop.hive.metastore.conf.MetastoreConf.ConfVars;
import org.apache.hadoop.hive.metastore.metrics.Metrics;
import org.apache.hadoop.hive.metastore.metrics.MetricsConstants;
import org.apache.hadoop.hive.metastore.model.FetchGroups;
import org.apache.hadoop.hive.metastore.model.MCatalog;
import org.apache.hadoop.hive.metastore.model.MColumnDescriptor;
import org.apache.hadoop.hive.metastore.model.MConstraint;
import org.apache.hadoop.hive.metastore.model.MCreationMetadata;
import org.apache.hadoop.hive.metastore.model.MDBPrivilege;
import org.apache.hadoop.hive.metastore.model.MDataConnector;
import org.apache.hadoop.hive.metastore.model.MDCPrivilege;
import org.apache.hadoop.hive.metastore.model.MDatabase;
import org.apache.hadoop.hive.metastore.model.MDelegationToken;
import org.apache.hadoop.hive.metastore.model.MFieldSchema;
import org.apache.hadoop.hive.metastore.model.MFunction;
import org.apache.hadoop.hive.metastore.model.MGlobalPrivilege;
import org.apache.hadoop.hive.metastore.model.MISchema;
import org.apache.hadoop.hive.metastore.model.MMVSource;
import org.apache.hadoop.hive.metastore.model.MMasterKey;
import org.apache.hadoop.hive.metastore.model.MMetastoreDBProperties;
import org.apache.hadoop.hive.metastore.model.MNotificationLog;
import org.apache.hadoop.hive.metastore.model.MNotificationNextId;
import org.apache.hadoop.hive.metastore.model.MOrder;
import org.apache.hadoop.hive.metastore.model.MPackage;
import org.apache.hadoop.hive.metastore.model.MPartition;
import org.apache.hadoop.hive.metastore.model.MPartitionColumnPrivilege;
import org.apache.hadoop.hive.metastore.model.MPartitionColumnStatistics;
import org.apache.hadoop.hive.metastore.model.MPartitionEvent;
import org.apache.hadoop.hive.metastore.model.MPartitionPrivilege;
import org.apache.hadoop.hive.metastore.model.MResourceUri;
import org.apache.hadoop.hive.metastore.model.MRole;
import org.apache.hadoop.hive.metastore.model.MRoleMap;
import org.apache.hadoop.hive.metastore.model.MRuntimeStat;
import org.apache.hadoop.hive.metastore.model.MScheduledExecution;
import org.apache.hadoop.hive.metastore.model.MScheduledQuery;
import org.apache.hadoop.hive.metastore.model.MSchemaVersion;
import org.apache.hadoop.hive.metastore.model.MSerDeInfo;
import org.apache.hadoop.hive.metastore.model.MStorageDescriptor;
import org.apache.hadoop.hive.metastore.model.MStoredProc;
import org.apache.hadoop.hive.metastore.model.MStringList;
import org.apache.hadoop.hive.metastore.model.MTable;
import org.apache.hadoop.hive.metastore.model.MTableColumnPrivilege;
import org.apache.hadoop.hive.metastore.model.MTableColumnStatistics;
import org.apache.hadoop.hive.metastore.model.MTablePrivilege;
import org.apache.hadoop.hive.metastore.model.MTxnWriteNotificationLog;
import org.apache.hadoop.hive.metastore.model.MType;
import org.apache.hadoop.hive.metastore.model.MVersionTable;
import org.apache.hadoop.hive.metastore.model.MWMMapping;
import org.apache.hadoop.hive.metastore.model.MWMMapping.EntityType;
import org.apache.hadoop.hive.metastore.model.MWMPool;
import org.apache.hadoop.hive.metastore.model.MWMResourcePlan;
import org.apache.hadoop.hive.metastore.model.MWMResourcePlan.Status;
import org.apache.hadoop.hive.metastore.model.MWMTrigger;
import org.apache.hadoop.hive.metastore.model.MReplicationMetrics;
import org.apache.hadoop.hive.metastore.parser.ExpressionTree;
import org.apache.hadoop.hive.metastore.parser.ExpressionTree.FilterBuilder;
import org.apache.hadoop.hive.metastore.partition.spec.PartitionSpecProxy;
import org.apache.hadoop.hive.metastore.tools.SQLGenerator;
import org.apache.hadoop.hive.metastore.txn.TxnUtils;
import org.apache.hadoop.hive.metastore.utils.FileUtils;
import org.apache.hadoop.hive.metastore.utils.JavaUtils;
import org.apache.hadoop.hive.metastore.utils.MetaStoreServerUtils;
import org.apache.hadoop.hive.metastore.utils.MetaStoreUtils;
import org.apache.thrift.TException;
import org.datanucleus.store.rdbms.exceptions.MissingTableException;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import com.codahale.metrics.Counter;
import com.codahale.metrics.MetricRegistry;
import com.cronutils.model.CronType;
import com.cronutils.model.definition.CronDefinition;
import com.cronutils.model.definition.CronDefinitionBuilder;
import com.cronutils.model.time.ExecutionTime;
import com.cronutils.parser.CronParser;
import com.google.common.annotations.VisibleForTesting;
import com.google.common.base.Joiner;
import com.google.common.base.Preconditions;
import com.google.common.base.Strings;
import com.google.common.collect.Lists;
import com.google.common.collect.Maps;
import com.google.common.collect.Sets;
/**
* This class is the interface between the application logic and the database
* store that contains the objects. Refrain putting any logic in mode.M* objects
* or in this file as former could be auto generated and this class would need
* to be made into a interface that can read both from a database and a
* filestore.
*/
public class ObjectStore implements RawStore, Configurable {
private int batchSize = Batchable.NO_BATCHING;
private static final DateTimeFormatter YMDHMS_FORMAT = DateTimeFormatter.ofPattern(
"yyyy_MM_dd_HH_mm_ss");
/**
* Verify the schema only once per JVM since the db connection info is static
*/
private final static AtomicBoolean isSchemaVerified = new AtomicBoolean(false);
private static final Logger LOG = LoggerFactory.getLogger(ObjectStore.class);
private int RM_PROGRESS_COL_WIDTH = 10000;
private int RM_METADATA_COL_WIDTH = 4000;
private int ORACLE_DB_MAX_COL_WIDTH = 4000;
private enum TXN_STATUS {
NO_STATE, OPEN, COMMITED, ROLLBACK
}
/**
* Java system properties for configuring SSL to the database store
*/
public static final String TRUSTSTORE_PATH_KEY = "javax.net.ssl.trustStore";
public static final String TRUSTSTORE_PASSWORD_KEY = "javax.net.ssl.trustStorePassword";
public static final String TRUSTSTORE_TYPE_KEY = "javax.net.ssl.trustStoreType";
private static final String HOSTNAME;
private static final String USER;
private static final String JDO_PARAM = ":param";
static {
String hostname = "UNKNOWN";
try {
InetAddress clientAddr = InetAddress.getLocalHost();
hostname = clientAddr.getHostAddress();
} catch (IOException e) {
}
HOSTNAME = hostname;
String user = System.getenv("USER");
USER = org.apache.commons.lang3.StringUtils.defaultString(user, "UNKNOWN");
}
private boolean isInitialized = false;
private PersistenceManager pm = null;
private SQLGenerator sqlGenerator = null;
private MetaStoreDirectSql directSql = null;
private DatabaseProduct dbType = null;
private PartitionExpressionProxy expressionProxy = null;
private Configuration conf;
private volatile int openTrasactionCalls = 0;
private Transaction currentTransaction = null;
private TXN_STATUS transactionStatus = TXN_STATUS.NO_STATE;
private Pattern partitionValidationPattern;
private Counter directSqlErrors;
private boolean areTxnStatsSupported = false;
private static Striped<Lock> tablelocks;
public ObjectStore() {
}
@Override
public Configuration getConf() {
return conf;
}
/**
* Called whenever this object is instantiated using ReflectionUtils, and also
* on connection retries. In cases of connection retries, conf will usually
* contain modified values.
*/
@Override
@SuppressWarnings("nls")
public void setConf(Configuration conf) {
isInitialized = false;
this.conf = conf;
this.areTxnStatsSupported = MetastoreConf.getBoolVar(conf, ConfVars.HIVE_TXN_STATS_ENABLED);
configureSSL(conf);
PersistenceManagerProvider.updatePmfProperties(conf);
assert (!isActiveTransaction());
shutdown();
// Always want to re-create pm as we don't know if it were created by the
// most recent instance of the pmf
pm = null;
directSql = null;
expressionProxy = null;
openTrasactionCalls = 0;
currentTransaction = null;
transactionStatus = TXN_STATUS.NO_STATE;
initialize();
String partitionValidationRegex =
MetastoreConf.getVar(this.conf, ConfVars.PARTITION_NAME_WHITELIST_PATTERN);
if (partitionValidationRegex != null && !partitionValidationRegex.isEmpty()) {
partitionValidationPattern = Pattern.compile(partitionValidationRegex);
} else {
partitionValidationPattern = null;
}
// Note, if metrics have not been initialized this will return null, which means we aren't
// using metrics. Thus we should always check whether this is non-null before using.
MetricRegistry registry = Metrics.getRegistry();
if (registry != null) {
directSqlErrors = Metrics.getOrCreateCounter(MetricsConstants.DIRECTSQL_ERRORS);
}
this.batchSize = MetastoreConf.getIntVar(conf, ConfVars.RAWSTORE_PARTITION_BATCH_SIZE);
if (!isInitialized) {
throw new RuntimeException("Unable to create persistence manager. Check log for details");
} else {
LOG.debug("Initialized ObjectStore");
}
if (tablelocks == null) {
synchronized (ObjectStore.class) {
if (tablelocks == null) {
int numTableLocks = MetastoreConf.getIntVar(conf, ConfVars.METASTORE_NUM_STRIPED_TABLE_LOCKS);
tablelocks = Striped.lazyWeakLock(numTableLocks);
}
}
}
}
@SuppressWarnings("nls")
private void initialize() {
LOG.debug("ObjectStore, initialize called");
// if this method fails, PersistenceManagerProvider will retry for the configured number of times
// before giving up
boolean isForCompactor = MetastoreConf.getBoolVar(conf, COMPACTOR_USE_CUSTOM_POOL);
pm = PersistenceManagerProvider.getPersistenceManager(isForCompactor);
LOG.info("RawStore: {}, with PersistenceManager: {}" +
" created in the thread with id: {}", this, pm, Thread.currentThread().getId());
String productName = MetaStoreDirectSql.getProductName(pm);
sqlGenerator = new SQLGenerator(DatabaseProduct.determineDatabaseProduct(productName, conf), conf);
isInitialized = pm != null;
if (isInitialized) {
dbType = determineDatabaseProduct();
expressionProxy = createExpressionProxy(conf);
if (MetastoreConf.getBoolVar(getConf(), ConfVars.TRY_DIRECT_SQL)) {
String schema = PersistenceManagerProvider.getProperty("javax.jdo.mapping.Schema");
schema = org.apache.commons.lang3.StringUtils.defaultIfBlank(schema, null);
directSql = new MetaStoreDirectSql(pm, conf, schema);
}
}
}
private DatabaseProduct determineDatabaseProduct() {
return DatabaseProduct.determineDatabaseProduct(getProductName(pm), conf);
}
private static String getProductName(PersistenceManager pm) {
JDOConnection jdoConn = pm.getDataStoreConnection();
try {
return ((Connection)jdoConn.getNativeConnection()).getMetaData().getDatabaseProductName();
} catch (Throwable t) {
LOG.warn("Error retrieving product name", t);
return null;
} finally {
jdoConn.close(); // We must release the connection before we call other pm methods.
}
}
/**
* Creates the proxy used to evaluate expressions. This is here to prevent circular
* dependency - ql -> metastore client <-> metastore server -> ql. If server and
* client are split, this can be removed.
* @param conf Configuration.
* @return The partition expression proxy.
*/
private static PartitionExpressionProxy createExpressionProxy(Configuration conf) {
String className = MetastoreConf.getVar(conf, ConfVars.EXPRESSION_PROXY_CLASS);
try {
Class<? extends PartitionExpressionProxy> clazz =
JavaUtils.getClass(className, PartitionExpressionProxy.class);
return JavaUtils.newInstance(clazz, new Class<?>[0], new Object[0]);
} catch (MetaException e) {
LOG.error("Error loading PartitionExpressionProxy", e);
throw new RuntimeException("Error loading PartitionExpressionProxy: " + e.getMessage());
}
}
/**
* Configure SSL encryption to the database store.
*
* The following properties must be set correctly to enable encryption:
*
* 1. {@link MetastoreConf.ConfVars#DBACCESS_USE_SSL}
* 2. {@link MetastoreConf.ConfVars#CONNECT_URL_KEY}
* 3. {@link MetastoreConf.ConfVars#DBACCESS_SSL_TRUSTSTORE_PATH}
* 4. {@link MetastoreConf.ConfVars#DBACCESS_SSL_TRUSTSTORE_PASSWORD}
* 5. {@link MetastoreConf.ConfVars#DBACCESS_SSL_TRUSTSTORE_TYPE}
*
* The last three properties directly map to JSSE (Java) system properties. The Java layer will handle enabling
* encryption once these properties are set.
*
* Additionally, {@link MetastoreConf.ConfVars#CONNECT_URL_KEY} must have the database-specific SSL flag in the connection URL.
*
* @param conf configuration values
*/
private static void configureSSL(Configuration conf) {
configureSSLDeprecated(conf); // TODO: Deprecate this method
boolean useSSL = MetastoreConf.getBoolVar(conf, ConfVars.DBACCESS_USE_SSL);
if (useSSL) {
try {
LOG.info("Setting SSL properties to connect to the database store");
String trustStorePath = MetastoreConf.getVar(conf, ConfVars.DBACCESS_SSL_TRUSTSTORE_PATH).trim();
// Specifying a truststore path is not necessary. If one is not provided, then the default Java truststore path will be used instead.
if (!trustStorePath.isEmpty()) {
System.setProperty(TRUSTSTORE_PATH_KEY, trustStorePath);
} else {
LOG.info(ConfVars.DBACCESS_SSL_TRUSTSTORE_PATH.toString() + " has not been set. Defaulting to jssecacerts, if it exists. Otherwise, cacerts.");
}
// If the truststore password has been configured and redacted properly using the Hadoop CredentialProvider API, then
// MetastoreConf.getPassword() will securely decrypt it. Otherwise, it will default to being read in from the
// configuration file in plain text.
String trustStorePassword = MetastoreConf.getPassword(conf, ConfVars.DBACCESS_SSL_TRUSTSTORE_PASSWORD);
if (!trustStorePassword.isEmpty()) {
System.setProperty(TRUSTSTORE_PASSWORD_KEY, trustStorePassword);
} else {
LOG.info(ConfVars.DBACCESS_SSL_TRUSTSTORE_PASSWORD.toString() + " has not been set. Using default Java truststore password.");
}
// Already validated in MetaStoreConf
String trustStoreType = MetastoreConf.getVar(conf, ConfVars.DBACCESS_SSL_TRUSTSTORE_TYPE);
System.setProperty(TRUSTSTORE_TYPE_KEY, trustStoreType);
} catch (IOException e) {
throw new RuntimeException("Failed to set the SSL properties to connect to the database store.", e);
}
}
}
/**
* Configure the SSL properties of the connection from provided config
*
* This method was kept for backwards compatibility purposes.
*
* The property {@link MetastoreConf.ConfVars#DBACCESS_SSL_PROPS} was deprecated in HIVE-20992 in favor of more
* transparent and user-friendly properties.
*
* Please use the MetastoreConf.ConfVars#DBACCESS_SSL_* instead. Setting those properties will overwrite the values
* of the deprecated property.
*
* The process of completely removing this property and its functionality is being tracked in HIVE-21024.
*
* @param conf configuration values
*/
@Deprecated
private static void configureSSLDeprecated(Configuration conf) {
// SSL support
String sslPropString = MetastoreConf.getVar(conf, ConfVars.DBACCESS_SSL_PROPS);
if (org.apache.commons.lang3.StringUtils.isNotEmpty(sslPropString)) {
LOG.warn("Configuring SSL using a deprecated key " + ConfVars.DBACCESS_SSL_PROPS.toString() +
". This may be removed in the future. See HIVE-20992 for more details.");
LOG.info("Metastore setting SSL properties of the connection to backend DB");
for (String sslProp : sslPropString.split(",")) {
String[] pair = sslProp.trim().split("=");
if (pair.length == 2) {
System.setProperty(pair[0].trim(), pair[1].trim());
} else {
LOG.warn("Invalid metastore property value for {}", ConfVars.DBACCESS_SSL_PROPS);
}
}
}
}
@InterfaceAudience.LimitedPrivate({"HCATALOG"})
@InterfaceStability.Evolving
public PersistenceManager getPersistenceManager() {
return PersistenceManagerProvider.getPersistenceManager();
}
@Override
public void shutdown() {
LOG.info("RawStore: {}, with PersistenceManager: {} will be shutdown", this, pm);
if (pm != null) {
pm.close();
pm = null;
}
}
/**
* Opens a new one or the one already created Every call of this function must
* have corresponding commit or rollback function call
*
* @return an active transaction
*/
@Override
public boolean openTransaction() {
openTrasactionCalls++;
if (openTrasactionCalls == 1) {
currentTransaction = pm.currentTransaction();
currentTransaction.begin();
transactionStatus = TXN_STATUS.OPEN;
} else {
// openTransactionCalls > 1 means this is an interior transaction
// We should already have a transaction created that is active.
if ((currentTransaction == null) || (!currentTransaction.isActive())){
throw new RuntimeException("openTransaction called in an interior"
+ " transaction scope, but currentTransaction is not active.");
}
}
boolean result = currentTransaction.isActive();
debugLog("Open transaction: count = " + openTrasactionCalls + ", isActive = " + result);
return result;
}
/**
* if this is the commit of the first open call then an actual commit is
* called.
*
* @return Always returns true
*/
@Override
@SuppressWarnings("nls")
public boolean commitTransaction() {
if (TXN_STATUS.ROLLBACK == transactionStatus) {
debugLog("Commit transaction: rollback");
return false;
}
if (openTrasactionCalls <= 0) {
RuntimeException e = new RuntimeException("commitTransaction was called but openTransactionCalls = "
+ openTrasactionCalls + ". This probably indicates that there are unbalanced " +
"calls to openTransaction/commitTransaction");
LOG.error("Unbalanced calls to open/commit Transaction", e);
throw e;
}
if (!currentTransaction.isActive()) {
RuntimeException e = new RuntimeException("commitTransaction was called but openTransactionCalls = "
+ openTrasactionCalls + ". This probably indicates that there are unbalanced " +
"calls to openTransaction/commitTransaction");
LOG.error("Unbalanced calls to open/commit Transaction", e);
throw e;
}
openTrasactionCalls--;
debugLog("Commit transaction: count = " + openTrasactionCalls + ", isactive "+ currentTransaction.isActive());
if ((openTrasactionCalls == 0) && currentTransaction.isActive()) {
transactionStatus = TXN_STATUS.COMMITED;
currentTransaction.commit();
}
return true;
}
/**
* @return true if there is an active transaction. If the current transaction
* is either committed or rolled back it returns false
*/
@Override
public boolean isActiveTransaction() {
if (currentTransaction == null) {
return false;
}
return currentTransaction.isActive();
}
/**
* Rolls back the current transaction if it is active
*/
@Override
public void rollbackTransaction() {
if (openTrasactionCalls < 1) {
debugLog("rolling back transaction: no open transactions: " + openTrasactionCalls);
return;
}
debugLog("Rollback transaction, isActive: " + isActiveTransaction());
try {
if (isActiveTransaction() && transactionStatus != TXN_STATUS.ROLLBACK) {
currentTransaction.rollback();
}
} finally {
openTrasactionCalls = 0;
transactionStatus = TXN_STATUS.ROLLBACK;
// remove all detached objects from the cache, since the transaction is
// being rolled back they are no longer relevant, and this prevents them
// from reattaching in future transactions
pm.evictAll();
}
}
@Override
public void createCatalog(Catalog cat) throws MetaException {
LOG.debug("Creating catalog {}", cat);
boolean committed = false;
MCatalog mCat = catToMCat(cat);
try {
openTransaction();
pm.makePersistent(mCat);
committed = commitTransaction();
} finally {
if (!committed) {
rollbackTransaction();
}
}
}
@Override
public void alterCatalog(String catName, Catalog cat)
throws MetaException, InvalidOperationException {
if (!cat.getName().equals(catName)) {
throw new InvalidOperationException("You cannot change a catalog's name");
}
boolean committed = false;
try {
MCatalog mCat = getMCatalog(catName);
if (org.apache.commons.lang3.StringUtils.isNotBlank(cat.getLocationUri())) {
mCat.setLocationUri(cat.getLocationUri());
}
if (org.apache.commons.lang3.StringUtils.isNotBlank(cat.getDescription())) {
mCat.setDescription(cat.getDescription());
}
openTransaction();
pm.makePersistent(mCat);
committed = commitTransaction();
} finally {
if (!committed) {
rollbackTransaction();
}
}
}
@Override
public Catalog getCatalog(String catalogName) throws NoSuchObjectException, MetaException {
LOG.debug("Fetching catalog {}", catalogName);
MCatalog mCat = getMCatalog(catalogName);
if (mCat == null) {
throw new NoSuchObjectException("No catalog " + catalogName);
}
return mCatToCat(mCat);
}
@Override
public List<String> getCatalogs() {
LOG.debug("Fetching all catalog names");
boolean commited = false;
List<String> catalogs = null;
String queryStr = "select name from org.apache.hadoop.hive.metastore.model.MCatalog";
Query query = null;
openTransaction();
try {
query = pm.newQuery(queryStr);
query.setResult("name");
catalogs = new ArrayList<>((Collection<String>) query.execute());
commited = commitTransaction();
} finally {
rollbackAndCleanup(commited, query);
}
Collections.sort(catalogs);
return catalogs;
}
@Override
public void dropCatalog(String catalogName) throws NoSuchObjectException, MetaException {
LOG.debug("Dropping catalog {}", catalogName);
boolean committed = false;
try {
openTransaction();
MCatalog mCat = getMCatalog(catalogName);
pm.retrieve(mCat);
if (mCat == null) {
throw new NoSuchObjectException("No catalog " + catalogName);
}
pm.deletePersistent(mCat);
committed = commitTransaction();
} finally {
if (!committed) {
rollbackTransaction();
}
}
}
private MCatalog getMCatalog(String catalogName) {
boolean committed = false;
Query query = null;
try {
openTransaction();
catalogName = normalizeIdentifier(catalogName);
query = pm.newQuery(MCatalog.class, "name == catname");
query.declareParameters("java.lang.String catname");
query.setUnique(true);
MCatalog mCat = (MCatalog)query.execute(catalogName);
pm.retrieve(mCat);
committed = commitTransaction();
return mCat;
} finally {
rollbackAndCleanup(committed, query);
}
}
private MCatalog catToMCat(Catalog cat) {
MCatalog mCat = new MCatalog();
mCat.setName(normalizeIdentifier(cat.getName()));
if (cat.isSetDescription()) {
mCat.setDescription(cat.getDescription());
}
mCat.setLocationUri(cat.getLocationUri());
mCat.setCreateTime(cat.getCreateTime());
return mCat;
}
private Catalog mCatToCat(MCatalog mCat) {
Catalog cat = new Catalog(mCat.getName(), mCat.getLocationUri());
if (mCat.getDescription() != null) {
cat.setDescription(mCat.getDescription());
}
cat.setCreateTime(mCat.getCreateTime());
return cat;
}
@Override
public void createDatabase(Database db) throws InvalidObjectException, MetaException {
boolean commited = false;
MDatabase mdb = new MDatabase();
assert db.getCatalogName() != null;
mdb.setCatalogName(normalizeIdentifier(db.getCatalogName()));
assert mdb.getCatalogName() != null;
mdb.setName(db.getName().toLowerCase());
mdb.setLocationUri(db.getLocationUri());
mdb.setManagedLocationUri(db.getManagedLocationUri());
mdb.setDescription(db.getDescription());
mdb.setParameters(db.getParameters());
mdb.setOwnerName(db.getOwnerName());
mdb.setDataConnectorName(db.getConnector_name());
mdb.setRemoteDatabaseName(db.getRemote_dbname());
if (db.getType() == null) {
mdb.setType(DatabaseType.NATIVE.name());
} else {
mdb.setType(db.getType().name());
}
PrincipalType ownerType = db.getOwnerType();
mdb.setOwnerType((null == ownerType ? PrincipalType.USER.name() : ownerType.name()));
mdb.setCreateTime(db.getCreateTime());
try {
openTransaction();
pm.makePersistent(mdb);
commited = commitTransaction();
} finally {
if (!commited) {
rollbackTransaction();
}
}
}
@SuppressWarnings("nls")
private MDatabase getMDatabase(String catName, String name) throws NoSuchObjectException {
MDatabase mdb = null;
boolean commited = false;
Query query = null;
try {
openTransaction();
name = normalizeIdentifier(name);
catName = normalizeIdentifier(catName);
query = pm.newQuery(MDatabase.class, "name == dbname && catalogName == catname");
query.declareParameters("java.lang.String dbname, java.lang.String catname");
query.setUnique(true);
mdb = (MDatabase) query.execute(name, catName);
pm.retrieve(mdb);
commited = commitTransaction();
} finally {
rollbackAndCleanup(commited, query);
}
if (mdb == null) {
throw new NoSuchObjectException("There is no database " + catName + "." + name);
}
return mdb;
}
@Override
public Database getDatabase(String catalogName, String name) throws NoSuchObjectException {
MetaException ex = null;
Database db = null;
try {
db = getDatabaseInternal(catalogName, name);
} catch (MetaException e) {
// Signature restriction to NSOE, and NSOE being a flat exception prevents us from
// setting the cause of the NSOE as the MetaException. We should not lose the info
// we got here, but it's very likely that the MetaException is irrelevant and is
// actually an NSOE message, so we should log it and throw an NSOE with the msg.
ex = e;
}
if (db == null) {
LOG.debug("Failed to get database {}.{}, returning NoSuchObjectException",
catalogName, name, ex);
final String errorMessage = (ex == null ? "" : (": " + ex.getMessage()));
throw new NoSuchObjectException("database " + catalogName + "." + name + errorMessage);
}
return db;
}
public Database getDatabaseInternal(String catalogName, String name)
throws MetaException, NoSuchObjectException {
return new GetDbHelper(catalogName, name, true, true) {
@Override
protected Database getSqlResult(GetHelper<Database> ctx) throws MetaException {
return directSql.getDatabase(catalogName, dbName);
}
@Override
protected Database getJdoResult(GetHelper<Database> ctx) throws MetaException, NoSuchObjectException {
return getJDODatabase(catalogName, dbName);
}
}.run(false);
}
public Database getJDODatabase(String catName, String name) throws NoSuchObjectException {
MDatabase mdb = null;
boolean commited = false;
try {
openTransaction();
mdb = getMDatabase(catName, name);
commited = commitTransaction();
} finally {
if (!commited) {
rollbackTransaction();
}
}
Database db = new Database();
db.setName(mdb.getName());
db.setDescription(mdb.getDescription());
db.setParameters(convertMap(mdb.getParameters()));
db.setOwnerName(mdb.getOwnerName());
String type = org.apache.commons.lang3.StringUtils.defaultIfBlank(mdb.getOwnerType(), null);
PrincipalType principalType = (type == null) ? null : PrincipalType.valueOf(type);
db.setOwnerType(principalType);
if (mdb.getType().equalsIgnoreCase(DatabaseType.NATIVE.name())) {
db.setType(DatabaseType.NATIVE);
db.setLocationUri(mdb.getLocationUri());
db.setManagedLocationUri(org.apache.commons.lang3.StringUtils.defaultIfBlank(mdb.getManagedLocationUri(), null));
} else {
db.setType(DatabaseType.REMOTE);
db.setConnector_name(org.apache.commons.lang3.StringUtils.defaultIfBlank(mdb.getDataConnectorName(), null));
db.setRemote_dbname(org.apache.commons.lang3.StringUtils.defaultIfBlank(mdb.getRemoteDatabaseName(), null));
}
db.setCatalogName(catName);
db.setCreateTime(mdb.getCreateTime());
return db;
}
/**
* Alter the database object in metastore. Currently only the parameters
* of the database or the owner can be changed.
* @param dbName the database name
* @param db the Hive Database object
*/
@Override
public boolean alterDatabase(String catName, String dbName, Database db)
throws MetaException, NoSuchObjectException {
MDatabase mdb = null;
boolean committed = false;
try {
mdb = getMDatabase(catName, dbName);
mdb.setParameters(db.getParameters());
mdb.setOwnerName(db.getOwnerName());
if (db.getOwnerType() != null) {
mdb.setOwnerType(db.getOwnerType().name());
}
if (org.apache.commons.lang3.StringUtils.isNotBlank(db.getDescription())) {
mdb.setDescription(db.getDescription());
}
if (org.apache.commons.lang3.StringUtils.isNotBlank(db.getLocationUri())) {
mdb.setLocationUri(db.getLocationUri());
}
if (org.apache.commons.lang3.StringUtils.isNotBlank(db.getManagedLocationUri())) {
mdb.setManagedLocationUri(db.getManagedLocationUri());
}
openTransaction();
pm.makePersistent(mdb);
committed = commitTransaction();
} finally {
if (!committed) {
rollbackTransaction();
return false;
}
}
return true;
}
@Override
public boolean dropDatabase(String catName, String dbname)
throws NoSuchObjectException, MetaException {
boolean success = false;
LOG.info("Dropping database {}.{} along with all tables", catName, dbname);
dbname = normalizeIdentifier(dbname);
catName = normalizeIdentifier(catName);
try {
openTransaction();
// then drop the database
MDatabase db = getMDatabase(catName, dbname);
pm.retrieve(db);
List<MDBPrivilege> dbGrants = this.listDatabaseGrants(catName, dbname, null);
if (CollectionUtils.isNotEmpty(dbGrants)) {
pm.deletePersistentAll(dbGrants);
}
pm.deletePersistent(db);
success = commitTransaction();
} catch (Exception e) {
LOG.error("Failed to drop database", e);
throw new MetaException(e.getMessage());
} finally {
rollbackAndCleanup(success, null);
}
return success;
}
@Override
public List<String> getDatabases(String catName, String pattern) throws MetaException {
if (pattern == null || pattern.equals("*")) {