/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You under the Apache License, Version 2.0
* (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.apache.accumulo.server.init;
import java.io.FileNotFoundException;
import java.io.IOException;
import java.util.Arrays;
import java.util.HashMap;
import java.util.HashSet;
import java.util.Locale;
import java.util.Map.Entry;
import java.util.UUID;
import jline.console.ConsoleReader;
import org.apache.accumulo.core.Constants;
import org.apache.accumulo.core.cli.Help;
import org.apache.accumulo.core.client.AccumuloSecurityException;
import org.apache.accumulo.core.client.impl.Namespaces;
import org.apache.accumulo.core.client.impl.thrift.ThriftSecurityException;
import org.apache.accumulo.core.conf.AccumuloConfiguration;
import org.apache.accumulo.core.conf.Property;
import org.apache.accumulo.core.conf.SiteConfiguration;
import org.apache.accumulo.core.data.Key;
import org.apache.accumulo.core.data.KeyExtent;
import org.apache.accumulo.core.data.Value;
import org.apache.accumulo.core.file.FileOperations;
import org.apache.accumulo.core.file.FileSKVWriter;
import org.apache.accumulo.core.iterators.user.VersioningIterator;
import org.apache.accumulo.core.master.state.tables.TableState;
import org.apache.accumulo.core.master.thrift.MasterGoalState;
import org.apache.accumulo.core.metadata.MetadataTable;
import org.apache.accumulo.core.metadata.RootTable;
import org.apache.accumulo.core.metadata.schema.MetadataSchema;
import org.apache.accumulo.core.metadata.schema.MetadataSchema.TabletsSection;
import org.apache.accumulo.core.metadata.schema.MetadataSchema.TabletsSection.DataFileColumnFamily;
import org.apache.accumulo.core.metadata.schema.MetadataSchema.TabletsSection.LogColumnFamily;
import org.apache.accumulo.core.security.SecurityUtil;
import org.apache.accumulo.core.util.CachedConfiguration;
import org.apache.accumulo.core.volume.VolumeConfiguration;
import org.apache.accumulo.core.zookeeper.ZooUtil;
import org.apache.accumulo.fate.zookeeper.IZooReaderWriter;
import org.apache.accumulo.fate.zookeeper.ZooUtil.NodeExistsPolicy;
import org.apache.accumulo.fate.zookeeper.ZooUtil.NodeMissingPolicy;
import org.apache.accumulo.server.Accumulo;
import org.apache.accumulo.server.ServerConstants;
import org.apache.accumulo.server.client.HdfsZooInstance;
import org.apache.accumulo.server.conf.ServerConfiguration;
import org.apache.accumulo.server.constraints.MetadataConstraints;
import org.apache.accumulo.server.fs.VolumeManager;
import org.apache.accumulo.server.fs.VolumeManagerImpl;
import org.apache.accumulo.server.iterators.MetadataBulkLoadFilter;
import org.apache.accumulo.server.security.AuditedSecurityOperation;
import org.apache.accumulo.server.security.SystemCredentials;
import org.apache.accumulo.server.tables.TableManager;
import org.apache.accumulo.server.tablets.TabletTime;
import org.apache.accumulo.server.util.TablePropUtil;
import org.apache.accumulo.server.zookeeper.ZooReaderWriter;
import org.apache.hadoop.conf.Configuration;
import org.apache.hadoop.fs.FileStatus;
import org.apache.hadoop.fs.FileSystem;
import org.apache.hadoop.fs.Path;
import org.apache.hadoop.io.Text;
import org.apache.log4j.Logger;
import org.apache.zookeeper.KeeperException;
import org.apache.zookeeper.ZooDefs.Ids;
import com.beust.jcommander.Parameter;
/**
* This class is used to setup the directory structure and the root tablet to get an instance started
*
*/
public class Initialize {
private static final Logger log = Logger.getLogger(Initialize.class);
private static final String DEFAULT_ROOT_USER = "root";
public static final String TABLE_TABLETS_TABLET_DIR = "/table_info";
private static ConsoleReader reader = null;
private static IZooReaderWriter zoo = ZooReaderWriter.getInstance();
private static ConsoleReader getConsoleReader() throws IOException {
if (reader == null)
reader = new ConsoleReader();
return reader;
}
/**
* Sets this class's ZooKeeper reader/writer.
*
* @param izoo
* reader/writer
*/
static void setZooReaderWriter(IZooReaderWriter izoo) {
zoo = izoo;
}
/**
* Gets this class's ZooKeeper reader/writer.
*
* @return reader/writer
*/
static IZooReaderWriter getZooReaderWriter() {
return zoo;
}
private static HashMap<String,String> initialMetadataConf = new HashMap<String,String>();
static {
initialMetadataConf.put(Property.TABLE_FILE_COMPRESSED_BLOCK_SIZE.getKey(), "32K");
initialMetadataConf.put(Property.TABLE_FILE_REPLICATION.getKey(), "5");
initialMetadataConf.put(Property.TABLE_WALOG_ENABLED.getKey(), "true");
initialMetadataConf.put(Property.TABLE_MAJC_RATIO.getKey(), "1");
initialMetadataConf.put(Property.TABLE_SPLIT_THRESHOLD.getKey(), "64M");
initialMetadataConf.put(Property.TABLE_CONSTRAINT_PREFIX.getKey() + "1", MetadataConstraints.class.getName());
initialMetadataConf.put(Property.TABLE_ITERATOR_PREFIX.getKey() + "scan.vers", "10," + VersioningIterator.class.getName());
initialMetadataConf.put(Property.TABLE_ITERATOR_PREFIX.getKey() + "scan.vers.opt.maxVersions", "1");
initialMetadataConf.put(Property.TABLE_ITERATOR_PREFIX.getKey() + "minc.vers", "10," + VersioningIterator.class.getName());
initialMetadataConf.put(Property.TABLE_ITERATOR_PREFIX.getKey() + "minc.vers.opt.maxVersions", "1");
initialMetadataConf.put(Property.TABLE_ITERATOR_PREFIX.getKey() + "majc.vers", "10," + VersioningIterator.class.getName());
initialMetadataConf.put(Property.TABLE_ITERATOR_PREFIX.getKey() + "majc.vers.opt.maxVersions", "1");
initialMetadataConf.put(Property.TABLE_ITERATOR_PREFIX.getKey() + "majc.bulkLoadFilter", "20," + MetadataBulkLoadFilter.class.getName());
initialMetadataConf.put(Property.TABLE_FAILURES_IGNORE.getKey(), "false");
initialMetadataConf.put(Property.TABLE_LOCALITY_GROUP_PREFIX.getKey() + "tablet",
String.format("%s,%s", TabletsSection.TabletColumnFamily.NAME, TabletsSection.CurrentLocationColumnFamily.NAME));
initialMetadataConf.put(Property.TABLE_LOCALITY_GROUP_PREFIX.getKey() + "server", String.format("%s,%s,%s,%s", DataFileColumnFamily.NAME,
LogColumnFamily.NAME, TabletsSection.ServerColumnFamily.NAME, TabletsSection.FutureLocationColumnFamily.NAME));
initialMetadataConf.put(Property.TABLE_LOCALITY_GROUPS.getKey(), "tablet,server");
initialMetadataConf.put(Property.TABLE_DEFAULT_SCANTIME_VISIBILITY.getKey(), "");
initialMetadataConf.put(Property.TABLE_INDEXCACHE_ENABLED.getKey(), "true");
initialMetadataConf.put(Property.TABLE_BLOCKCACHE_ENABLED.getKey(), "true");
}
static boolean checkInit(Configuration conf, VolumeManager fs, SiteConfiguration sconf) throws IOException {
@SuppressWarnings("deprecation")
String fsUri = sconf.get(Property.INSTANCE_DFS_URI);
if (fsUri.equals(""))
fsUri = FileSystem.getDefaultUri(conf).toString();
log.info("Hadoop Filesystem is " + fsUri);
log.info("Accumulo data dirs are " + Arrays.asList(VolumeConfiguration.getVolumeUris(ServerConfiguration.getSiteConfiguration())));
log.info("Zookeeper server is " + sconf.get(Property.INSTANCE_ZK_HOST));
log.info("Checking if Zookeeper is available. If this hangs, then you need to make sure zookeeper is running");
if (!zookeeperAvailable()) {
log.fatal("Zookeeper needs to be up and running in order to init. Exiting ...");
return false;
}
if (sconf.get(Property.INSTANCE_SECRET).equals(Property.INSTANCE_SECRET.getDefaultValue())) {
ConsoleReader c = getConsoleReader();
c.beep();
c.println();
c.println();
c.println("Warning!!! Your instance secret is still set to the default, this is not secure. We highly recommend you change it.");
c.println();
c.println();
c.println("You can change the instance secret in accumulo by using:");
c.println(" bin/accumulo " + org.apache.accumulo.server.util.ChangeSecret.class.getName() + " oldPassword newPassword.");
c.println("You will also need to edit your secret in your configuration file by adding the property instance.secret to your conf/accumulo-site.xml. Without this accumulo will not operate correctly");
}
try {
if (isInitialized(fs)) {
printInitializeFailureMessages(sconf);
return false;
}
} catch (IOException e) {
throw new IOException("Failed to check if filesystem already initialized", e);
}
return true;
}
@SuppressWarnings("deprecation")
static void printInitializeFailureMessages(SiteConfiguration sconf) {
String instanceDfsDir = sconf.get(Property.INSTANCE_DFS_DIR);
log.fatal("It appears the directories " + Arrays.asList(VolumeConfiguration.getVolumeUris(ServerConfiguration.getSiteConfiguration()))
+ " were previously initialized.");
String instanceVolumes = sconf.get(Property.INSTANCE_VOLUMES);
String instanceDfsUri = sconf.get(Property.INSTANCE_DFS_URI);
if (!instanceVolumes.isEmpty()) {
log.fatal("Change the property " + Property.INSTANCE_VOLUMES + " to use different filesystems,");
} else if (!instanceDfsDir.isEmpty()) {
log.fatal("Change the property " + Property.INSTANCE_DFS_URI + " to use a different filesystem,");
} else {
log.fatal("You are using the default URI for the filesystem. Set the property " + Property.INSTANCE_VOLUMES + " to use a different filesystem,");
}
log.fatal("or change the property " + Property.INSTANCE_DFS_DIR + " to use a different directory.");
log.fatal("The current value of " + Property.INSTANCE_DFS_URI + " is |" + instanceDfsUri + "|");
log.fatal("The current value of " + Property.INSTANCE_DFS_DIR + " is |" + instanceDfsDir + "|");
log.fatal("The current value of " + Property.INSTANCE_VOLUMES + " is |" + instanceVolumes + "|");
}
public static boolean doInit(Opts opts, Configuration conf, VolumeManager fs) throws IOException {
if (!checkInit(conf, fs, ServerConfiguration.getSiteConfiguration())) {
return false;
}
// prompt user for instance name and root password early, in case they
// abort, we don't leave an inconsistent HDFS/ZooKeeper structure
String instanceNamePath;
try {
instanceNamePath = getInstanceNamePath(opts);
} catch (Exception e) {
log.fatal("Failed to talk to zookeeper", e);
return false;
}
opts.rootpass = getRootPassword(opts);
return initialize(opts, instanceNamePath, fs);
}
public static boolean initialize(Opts opts, String instanceNamePath, VolumeManager fs) {
UUID uuid = UUID.randomUUID();
// the actual disk locations of the root table and tablets
String[] configuredTableDirs = VolumeConfiguration.prefix(VolumeConfiguration.getVolumeUris(ServerConfiguration.getSiteConfiguration()),
ServerConstants.TABLE_DIR);
final Path rootTablet = new Path(fs.choose(configuredTableDirs) + "/" + RootTable.ID + RootTable.ROOT_TABLET_LOCATION);
try {
initZooKeeper(opts, uuid.toString(), instanceNamePath, rootTablet);
} catch (Exception e) {
log.fatal("Failed to initialize zookeeper", e);
return false;
}
try {
initFileSystem(opts, fs, uuid, rootTablet);
} catch (Exception e) {
log.fatal("Failed to initialize filesystem", e);
if (ServerConfiguration.getSiteConfiguration().get(Property.INSTANCE_VOLUMES).trim().equals("")) {
Configuration fsConf = CachedConfiguration.getInstance();
final String defaultFsUri = "file:///";
String fsDefaultName = fsConf.get("fs.default.name", defaultFsUri), fsDefaultFS = fsConf.get("fs.defaultFS", defaultFsUri);
// Try to determine when we couldn't find an appropriate core-site.xml on the classpath
if (defaultFsUri.equals(fsDefaultName) && defaultFsUri.equals(fsDefaultFS)) {
log.fatal("Default filesystem value ('fs.defaultFS' or 'fs.default.name') was found in the Hadoop configuration");
log.fatal("Please ensure that the Hadoop core-site.xml is on the classpath using 'general.classpaths' in accumulo-site.xml");
}
}
return false;
}
try {
initSecurity(opts, uuid.toString());
} catch (Exception e) {
log.fatal("Failed to initialize security", e);
return false;
}
return true;
}
private static boolean zookeeperAvailable() {
try {
return zoo.exists("/");
} catch (KeeperException e) {
return false;
} catch (InterruptedException e) {
return false;
}
}
private static Path[] paths(String[] paths) {
Path[] result = new Path[paths.length];
for (int i = 0; i < paths.length; i++) {
result[i] = new Path(paths[i]);
}
return result;
}
private static void initDirs(VolumeManager fs, UUID uuid, String[] baseDirs, boolean print) throws IOException {
for (String baseDir : baseDirs) {
fs.mkdirs(new Path(new Path(baseDir, ServerConstants.VERSION_DIR), "" + ServerConstants.DATA_VERSION));
// create an instance id
Path iidLocation = new Path(baseDir, ServerConstants.INSTANCE_ID_DIR);
fs.mkdirs(iidLocation);
fs.createNewFile(new Path(iidLocation, uuid.toString()));
if (print)
log.info("Initialized volume " + baseDir);
}
}
// TODO Remove deprecation warning suppression when Hadoop1 support is dropped
@SuppressWarnings("deprecation")
private static void initFileSystem(Opts opts, VolumeManager fs, UUID uuid, Path rootTablet) throws IOException {
FileStatus fstat;
initDirs(fs, uuid, VolumeConfiguration.getVolumeUris(ServerConfiguration.getSiteConfiguration()), false);
// the actual disk locations of the metadata table and tablets
final Path[] metadataTableDirs = paths(ServerConstants.getMetadataTableDirs());
String tableMetadataTabletDir = fs.choose(VolumeConfiguration.prefix(ServerConstants.getMetadataTableDirs(), TABLE_TABLETS_TABLET_DIR));
String defaultMetadataTabletDir = fs.choose(VolumeConfiguration.prefix(ServerConstants.getMetadataTableDirs(), Constants.DEFAULT_TABLET_LOCATION));
// initialize initial metadata config in zookeeper
initMetadataConfig();
// create metadata table
for (Path mtd : metadataTableDirs) {
try {
fstat = fs.getFileStatus(mtd);
if (!fstat.isDir()) {
log.fatal("location " + mtd.toString() + " exists but is not a directory");
return;
}
} catch (FileNotFoundException fnfe) {
if (!fs.mkdirs(mtd)) {
log.fatal("unable to create directory " + mtd.toString());
return;
}
}
}
// create root table and tablet
try {
fstat = fs.getFileStatus(rootTablet);
if (!fstat.isDir()) {
log.fatal("location " + rootTablet.toString() + " exists but is not a directory");
return;
}
} catch (FileNotFoundException fnfe) {
if (!fs.mkdirs(rootTablet)) {
log.fatal("unable to create directory " + rootTablet.toString());
return;
}
}
// populate the root tablet with info about the default tablet
// the root tablet contains the key extent and locations of all the
// metadata tablets
String initRootTabFile = rootTablet + "/00000_00000." + FileOperations.getNewFileExtension(AccumuloConfiguration.getDefaultConfiguration());
FileSystem ns = fs.getVolumeByPath(new Path(initRootTabFile)).getFileSystem();
FileSKVWriter mfw = FileOperations.getInstance().openWriter(initRootTabFile, ns, ns.getConf(), AccumuloConfiguration.getDefaultConfiguration());
mfw.startDefaultLocalityGroup();
Text tableExtent = new Text(KeyExtent.getMetadataEntry(new Text(MetadataTable.ID), MetadataSchema.TabletsSection.getRange().getEndKey().getRow()));
// table tablet's directory
Key tableDirKey = new Key(tableExtent, TabletsSection.ServerColumnFamily.DIRECTORY_COLUMN.getColumnFamily(),
TabletsSection.ServerColumnFamily.DIRECTORY_COLUMN.getColumnQualifier(), 0);
mfw.append(tableDirKey, new Value(tableMetadataTabletDir.getBytes(Constants.UTF8)));
// table tablet time
Key tableTimeKey = new Key(tableExtent, TabletsSection.ServerColumnFamily.TIME_COLUMN.getColumnFamily(),
TabletsSection.ServerColumnFamily.TIME_COLUMN.getColumnQualifier(), 0);
mfw.append(tableTimeKey, new Value((TabletTime.LOGICAL_TIME_ID + "0").getBytes(Constants.UTF8)));
// table tablet's prevrow
Key tablePrevRowKey = new Key(tableExtent, TabletsSection.TabletColumnFamily.PREV_ROW_COLUMN.getColumnFamily(),
TabletsSection.TabletColumnFamily.PREV_ROW_COLUMN.getColumnQualifier(), 0);
mfw.append(tablePrevRowKey, KeyExtent.encodePrevEndRow(null));
// ----------] default tablet info
Text defaultExtent = new Text(KeyExtent.getMetadataEntry(new Text(MetadataTable.ID), null));
// default's directory
Key defaultDirKey = new Key(defaultExtent, TabletsSection.ServerColumnFamily.DIRECTORY_COLUMN.getColumnFamily(),
TabletsSection.ServerColumnFamily.DIRECTORY_COLUMN.getColumnQualifier(), 0);
mfw.append(defaultDirKey, new Value(defaultMetadataTabletDir.getBytes(Constants.UTF8)));
// default's time
Key defaultTimeKey = new Key(defaultExtent, TabletsSection.ServerColumnFamily.TIME_COLUMN.getColumnFamily(),
TabletsSection.ServerColumnFamily.TIME_COLUMN.getColumnQualifier(), 0);
mfw.append(defaultTimeKey, new Value((TabletTime.LOGICAL_TIME_ID + "0").getBytes(Constants.UTF8)));
// default's prevrow
Key defaultPrevRowKey = new Key(defaultExtent, TabletsSection.TabletColumnFamily.PREV_ROW_COLUMN.getColumnFamily(),
TabletsSection.TabletColumnFamily.PREV_ROW_COLUMN.getColumnQualifier(), 0);
mfw.append(defaultPrevRowKey, KeyExtent.encodePrevEndRow(MetadataSchema.TabletsSection.getRange().getEndKey().getRow()));
mfw.close();
// create table and default tablets directories
for (String s : Arrays.asList(tableMetadataTabletDir, defaultMetadataTabletDir)) {
Path dir = new Path(s);
try {
fstat = fs.getFileStatus(dir);
if (!fstat.isDir()) {
log.fatal("location " + dir.toString() + " exists but is not a directory");
return;
}
} catch (FileNotFoundException fnfe) {
try {
fstat = fs.getFileStatus(dir);
if (!fstat.isDir()) {
log.fatal("location " + dir.toString() + " exists but is not a directory");
return;
}
} catch (FileNotFoundException fnfe2) {
// create table info dir
if (!fs.mkdirs(dir)) {
log.fatal("unable to create directory " + dir.toString());
return;
}
}
// create default dir
if (!fs.mkdirs(dir)) {
log.fatal("unable to create directory " + dir.toString());
return;
}
}
}
}
private static void initZooKeeper(Opts opts, String uuid, String instanceNamePath, Path rootTablet) throws KeeperException, InterruptedException {
// setup basic data in zookeeper
ZooUtil.putPersistentData(zoo.getZooKeeper(), Constants.ZROOT, new byte[0], -1, NodeExistsPolicy.SKIP, Ids.OPEN_ACL_UNSAFE);
ZooUtil.putPersistentData(zoo.getZooKeeper(), Constants.ZROOT + Constants.ZINSTANCES, new byte[0], -1, NodeExistsPolicy.SKIP, Ids.OPEN_ACL_UNSAFE);
// setup instance name
if (opts.clearInstanceName)
zoo.recursiveDelete(instanceNamePath, NodeMissingPolicy.SKIP);
zoo.putPersistentData(instanceNamePath, uuid.getBytes(Constants.UTF8), NodeExistsPolicy.FAIL);
final byte[] EMPTY_BYTE_ARRAY = new byte[0], ZERO_CHAR_ARRAY = new byte[] {'0'};
// setup the instance
String zkInstanceRoot = Constants.ZROOT + "/" + uuid;
zoo.putPersistentData(zkInstanceRoot, EMPTY_BYTE_ARRAY, NodeExistsPolicy.FAIL);
zoo.putPersistentData(zkInstanceRoot + Constants.ZTABLES, Constants.ZTABLES_INITIAL_ID, NodeExistsPolicy.FAIL);
zoo.putPersistentData(zkInstanceRoot + Constants.ZNAMESPACES, new byte[0], NodeExistsPolicy.FAIL);
TableManager.prepareNewNamespaceState(uuid, Namespaces.DEFAULT_NAMESPACE_ID, Namespaces.DEFAULT_NAMESPACE, NodeExistsPolicy.FAIL);
TableManager.prepareNewNamespaceState(uuid, Namespaces.ACCUMULO_NAMESPACE_ID, Namespaces.ACCUMULO_NAMESPACE, NodeExistsPolicy.FAIL);
TableManager.prepareNewTableState(uuid, RootTable.ID, Namespaces.ACCUMULO_NAMESPACE_ID, RootTable.NAME, TableState.ONLINE, NodeExistsPolicy.FAIL);
TableManager.prepareNewTableState(uuid, MetadataTable.ID, Namespaces.ACCUMULO_NAMESPACE_ID, MetadataTable.NAME, TableState.ONLINE, NodeExistsPolicy.FAIL);
zoo.putPersistentData(zkInstanceRoot + Constants.ZTSERVERS, EMPTY_BYTE_ARRAY, NodeExistsPolicy.FAIL);
zoo.putPersistentData(zkInstanceRoot + Constants.ZPROBLEMS, EMPTY_BYTE_ARRAY, NodeExistsPolicy.FAIL);
zoo.putPersistentData(zkInstanceRoot + RootTable.ZROOT_TABLET, EMPTY_BYTE_ARRAY, NodeExistsPolicy.FAIL);
zoo.putPersistentData(zkInstanceRoot + RootTable.ZROOT_TABLET_WALOGS, EMPTY_BYTE_ARRAY, NodeExistsPolicy.FAIL);
zoo.putPersistentData(zkInstanceRoot + RootTable.ZROOT_TABLET_PATH, rootTablet.toString().getBytes(), NodeExistsPolicy.FAIL);
zoo.putPersistentData(zkInstanceRoot + Constants.ZTRACERS, EMPTY_BYTE_ARRAY, NodeExistsPolicy.FAIL);
zoo.putPersistentData(zkInstanceRoot + Constants.ZMASTERS, EMPTY_BYTE_ARRAY, NodeExistsPolicy.FAIL);
zoo.putPersistentData(zkInstanceRoot + Constants.ZMASTER_LOCK, EMPTY_BYTE_ARRAY, NodeExistsPolicy.FAIL);
zoo.putPersistentData(zkInstanceRoot + Constants.ZMASTER_GOAL_STATE, MasterGoalState.NORMAL.toString().getBytes(Constants.UTF8), NodeExistsPolicy.FAIL);
zoo.putPersistentData(zkInstanceRoot + Constants.ZGC, EMPTY_BYTE_ARRAY, NodeExistsPolicy.FAIL);
zoo.putPersistentData(zkInstanceRoot + Constants.ZGC_LOCK, EMPTY_BYTE_ARRAY, NodeExistsPolicy.FAIL);
zoo.putPersistentData(zkInstanceRoot + Constants.ZCONFIG, EMPTY_BYTE_ARRAY, NodeExistsPolicy.FAIL);
zoo.putPersistentData(zkInstanceRoot + Constants.ZTABLE_LOCKS, EMPTY_BYTE_ARRAY, NodeExistsPolicy.FAIL);
zoo.putPersistentData(zkInstanceRoot + Constants.ZHDFS_RESERVATIONS, EMPTY_BYTE_ARRAY, NodeExistsPolicy.FAIL);
zoo.putPersistentData(zkInstanceRoot + Constants.ZNEXT_FILE, ZERO_CHAR_ARRAY, NodeExistsPolicy.FAIL);
zoo.putPersistentData(zkInstanceRoot + Constants.ZRECOVERY, ZERO_CHAR_ARRAY, NodeExistsPolicy.FAIL);
zoo.putPersistentData(zkInstanceRoot + Constants.ZMONITOR, EMPTY_BYTE_ARRAY, NodeExistsPolicy.FAIL);
zoo.putPersistentData(zkInstanceRoot + Constants.ZMONITOR_LOCK, EMPTY_BYTE_ARRAY, NodeExistsPolicy.FAIL);
}
private static String getInstanceNamePath(Opts opts) throws IOException, KeeperException, InterruptedException {
// setup the instance name
String instanceName, instanceNamePath = null;
boolean exists = true;
do {
if (opts.cliInstanceName == null) {
instanceName = getConsoleReader().readLine("Instance name : ");
} else {
instanceName = opts.cliInstanceName;
}
if (instanceName == null)
System.exit(0);
instanceName = instanceName.trim();
if (instanceName.length() == 0)
continue;
instanceNamePath = Constants.ZROOT + Constants.ZINSTANCES + "/" + instanceName;
if (opts.clearInstanceName) {
exists = false;
break;
} else if (exists = zoo.exists(instanceNamePath)) {
String decision = getConsoleReader().readLine("Instance name \"" + instanceName + "\" exists. Delete existing entry from zookeeper? [Y/N] : ");
if (decision == null)
System.exit(0);
if (decision.length() == 1 && decision.toLowerCase(Locale.ENGLISH).charAt(0) == 'y') {
opts.clearInstanceName = true;
exists = false;
}
}
} while (exists);
return instanceNamePath;
}
private static byte[] getRootPassword(Opts opts) throws IOException {
if (opts.cliPassword != null) {
return opts.cliPassword.getBytes(Constants.UTF8);
}
String rootpass;
String confirmpass;
do {
rootpass = getConsoleReader()
.readLine("Enter initial password for " + DEFAULT_ROOT_USER + " (this may not be applicable for your security setup): ", '*');
if (rootpass == null)
System.exit(0);
confirmpass = getConsoleReader().readLine("Confirm initial password for " + DEFAULT_ROOT_USER + ": ", '*');
if (confirmpass == null)
System.exit(0);
if (!rootpass.equals(confirmpass))
log.error("Passwords do not match");
} while (!rootpass.equals(confirmpass));
return rootpass.getBytes(Constants.UTF8);
}
private static void initSecurity(Opts opts, String iid) throws AccumuloSecurityException, ThriftSecurityException {
AuditedSecurityOperation.getInstance(iid, true).initializeSecurity(SystemCredentials.get().toThrift(HdfsZooInstance.getInstance()), DEFAULT_ROOT_USER,
opts.rootpass);
}
public static void initMetadataConfig(String tableId) throws IOException {
try {
Configuration conf = CachedConfiguration.getInstance();
int max = conf.getInt("dfs.replication.max", 512);
// Hadoop 0.23 switched the min value configuration name
int min = Math.max(conf.getInt("dfs.replication.min", 1), conf.getInt("dfs.namenode.replication.min", 1));
if (max < 5)
setMetadataReplication(max, "max");
if (min > 5)
setMetadataReplication(min, "min");
for (Entry<String,String> entry : initialMetadataConf.entrySet()) {
if (!TablePropUtil.setTableProperty(RootTable.ID, entry.getKey(), entry.getValue()))
throw new IOException("Cannot create per-table property " + entry.getKey());
if (!TablePropUtil.setTableProperty(MetadataTable.ID, entry.getKey(), entry.getValue()))
throw new IOException("Cannot create per-table property " + entry.getKey());
}
} catch (Exception e) {
log.fatal("error talking to zookeeper", e);
throw new IOException(e);
}
}
protected static void initMetadataConfig() throws IOException {
initMetadataConfig(RootTable.ID);
initMetadataConfig(MetadataTable.ID);
}
private static void setMetadataReplication(int replication, String reason) throws IOException {
String rep = getConsoleReader().readLine(
"Your HDFS replication " + reason + " is not compatible with our default " + MetadataTable.NAME + " replication of 5. What do you want to set your "
+ MetadataTable.NAME + " replication to? (" + replication + ") ");
if (rep == null || rep.length() == 0)
rep = Integer.toString(replication);
else
// Lets make sure it's a number
Integer.parseInt(rep);
initialMetadataConf.put(Property.TABLE_FILE_REPLICATION.getKey(), rep);
}
public static boolean isInitialized(VolumeManager fs) throws IOException {
for (String baseDir : VolumeConfiguration.getVolumeUris(ServerConfiguration.getSiteConfiguration())) {
if (fs.exists(new Path(baseDir, ServerConstants.INSTANCE_ID_DIR)) || fs.exists(new Path(baseDir, ServerConstants.VERSION_DIR)))
return true;
}
return false;
}
private static void addVolumes(VolumeManager fs) throws IOException {
HashSet<String> initializedDirs = new HashSet<String>();
initializedDirs
.addAll(Arrays.asList(ServerConstants.checkBaseUris(VolumeConfiguration.getVolumeUris(ServerConfiguration.getSiteConfiguration()), true)));
HashSet<String> uinitializedDirs = new HashSet<String>();
uinitializedDirs.addAll(Arrays.asList(VolumeConfiguration.getVolumeUris(ServerConfiguration.getSiteConfiguration())));
uinitializedDirs.removeAll(initializedDirs);
Path aBasePath = new Path(initializedDirs.iterator().next());
Path iidPath = new Path(aBasePath, ServerConstants.INSTANCE_ID_DIR);
Path versionPath = new Path(aBasePath, ServerConstants.VERSION_DIR);
UUID uuid = UUID.fromString(ZooUtil.getInstanceIDFromHdfs(iidPath, ServerConfiguration.getSiteConfiguration()));
if (ServerConstants.DATA_VERSION != Accumulo.getAccumuloPersistentVersion(versionPath.getFileSystem(CachedConfiguration.getInstance()), versionPath)) {
throw new IOException("Accumulo " + Constants.VERSION + " cannot initialize data version " + Accumulo.getAccumuloPersistentVersion(fs));
}
initDirs(fs, uuid, uinitializedDirs.toArray(new String[uinitializedDirs.size()]), true);
}
static class Opts extends Help {
@Parameter(names = "--add-volumes", description = "Initialize any uninitialized volumes listed in instance.volumes")
boolean addVolumes = false;
@Parameter(names = "--reset-security", description = "just update the security information")
boolean resetSecurity = false;
@Parameter(names = "--clear-instance-name", description = "delete any existing instance name without prompting")
boolean clearInstanceName = false;
@Parameter(names = "--instance-name", description = "the instance name, if not provided, will prompt")
String cliInstanceName;
@Parameter(names = "--password", description = "set the password on the command line")
String cliPassword;
byte[] rootpass = null;
}
public static void main(String[] args) {
Opts opts = new Opts();
opts.parseArgs(Initialize.class.getName(), args);
try {
AccumuloConfiguration acuConf = ServerConfiguration.getSiteConfiguration();
SecurityUtil.serverLogin(acuConf);
Configuration conf = CachedConfiguration.getInstance();
VolumeManager fs = VolumeManagerImpl.get(acuConf);
if (opts.resetSecurity) {
if (isInitialized(fs)) {
opts.rootpass = getRootPassword(opts);
initSecurity(opts, HdfsZooInstance.getInstance().getInstanceID());
} else {
log.fatal("Attempted to reset security on accumulo before it was initialized");
}
}
if (opts.addVolumes) {
addVolumes(fs);
}
if (!opts.resetSecurity && !opts.addVolumes)
if (!doInit(opts, conf, fs))
System.exit(-1);
} catch (Exception e) {
log.fatal(e, e);
throw new RuntimeException(e);
}
}
}