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MAPREDUCE-2764. Fix renewal of dfs delegation tokens. Contributed by Owen.

Browse Source 
git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1183187 13f79535-47bb-0310-9956-ffa450edef68
This commit is contained in:
Jitendra Nath Pandey 2011-10-14 01:24:20 +00:00
parent c7fb49b3c5
commit 002dd6968b
30 changed files with 731 additions and 382 deletions
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2
hadoop-common-project/hadoop-common/CHANGES.txt
View File

@ -81,6 +81,8 @@ Trunk (unreleased changes)
HADOOP-7721. Add log before login in KerberosAuthenticationHandler.
(jitendra)
MAPREDUCE-2764. Fix renewal of dfs delegation tokens. (Owen via jitendra)
Release 0.23.0 - Unreleased
INCOMPATIBLE CHANGES

21
hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/security/SecurityUtil.java
View File

@ -18,6 +18,7 @@
import java.io.IOException;
import java.net.InetAddress;
import java.net.InetSocketAddress;
import java.net.URI;
import java.net.URL;
import java.net.UnknownHostException;
@ -34,7 +35,9 @@
import org.apache.hadoop.classification.InterfaceAudience;
import org.apache.hadoop.classification.InterfaceStability;
import org.apache.hadoop.conf.Configuration;
import org.apache.hadoop.io.Text;
import org.apache.hadoop.net.NetUtils;
import org.apache.hadoop.security.token.Token;
import org.apache.hadoop.security.token.TokenInfo;
import sun.security.jgss.krb5.Krb5Util;
@ -352,4 +355,22 @@ public static TokenInfo getTokenInfo(Class<?> protocol, Configuration conf) {
return null;
}
/**
* Set the given token's service to the format expected by the RPC client
* @param token a delegation token
* @param addr the socket for the rpc connection
*/
public static void setTokenService(Token<?> token, InetSocketAddress addr) {
token.setService(buildTokenService(addr));
}
/**
* Construct the service key for a token
* @param addr InetSocketAddress of remote connection with a token
* @return "ip:port"
*/
public static Text buildTokenService(InetSocketAddress addr) {
String host = addr.getAddress().getHostAddress();
return new Text(host + ":" + addr.getPort());
}
}

17
hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/security/UserGroupInformation.java
View File

@ -634,6 +634,23 @@ static void loginUserFromKeytab(String user,
+ " using keytab file " + keytabFile);
}
/**
* Re-login a user from keytab if TGT is expired or is close to expiry.
*
* @throws IOException
*/
public synchronized void checkTGTAndReloginFromKeytab() throws IOException {
if (!isSecurityEnabled()
|| user.getAuthenticationMethod() != AuthenticationMethod.KERBEROS
|| !isKeytab)
return;
KerberosTicket tgt = getTGT();
if (tgt != null && System.currentTimeMillis() < getRefreshTime(tgt)) {
return;
}
reloginFromKeytab();
}
/**
* Re-Login a user in from a keytab file. Loads a user identity from a keytab
* file and logs them in. They become the currently logged-in user. This

114
hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/security/token/Token.java
View File

@ -22,11 +22,15 @@
import java.io.DataOutput;
import java.io.IOException;
import java.util.Arrays;
import java.util.ServiceLoader;
import org.apache.commons.codec.binary.Base64;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.apache.hadoop.classification.InterfaceAudience;
import org.apache.hadoop.classification.InterfaceStability;
import org.apache.hadoop.conf.Configuration;
import org.apache.hadoop.io.DataInputBuffer;
import org.apache.hadoop.io.DataOutputBuffer;
import org.apache.hadoop.io.Text;
@ -40,10 +44,12 @@
@InterfaceAudience.LimitedPrivate({"HDFS", "MapReduce"})
@InterfaceStability.Evolving
public class Token<T extends TokenIdentifier> implements Writable {
public static final Log LOG = LogFactory.getLog(Token.class);
private byte[] identifier;
private byte[] password;
private Text kind;
private Text service;
private TokenRenewer renewer;
/**
* Construct a token given a token identifier and a secret manager for the
@ -82,6 +88,17 @@ public Token() {
service = new Text();
}
/**
* Clone a token.
* @param other the token to clone
*/
public Token(Token<T> other) {
this.identifier = other.identifier;
this.password = other.password;
this.kind = other.kind;
this.service = other.service;
}
/**
* Get the token identifier
* @return the token identifier
@ -106,6 +123,17 @@ public Text getKind() {
return kind;
}
/**
* Set the token kind. This is only intended to be used by services that
* wrap another service's token, such as HFTP wrapping HDFS.
* @param newKind
*/
@InterfaceAudience.Private
public synchronized void setKind(Text newKind) {
kind = newKind;
renewer = null;
}
/**
* Get the service on which the token is supposed to be used
* @return the service name
@ -244,4 +272,90 @@ public String toString() {
buffer.append(service.toString());
return buffer.toString();
}
private static ServiceLoader<TokenRenewer> renewers =
ServiceLoader.load(TokenRenewer.class);
private synchronized TokenRenewer getRenewer() throws IOException {
if (renewer != null) {
return renewer;
}
renewer = TRIVIAL_RENEWER;
for (TokenRenewer canidate: renewers) {
if (canidate.handleKind(this.kind)) {
renewer = canidate;
return renewer;
}
}
LOG.warn("No TokenRenewer defined for token kind " + this.kind);
return renewer;
}
/**
* Is this token managed so that it can be renewed or cancelled?
* @return true, if it can be renewed and cancelled.
*/
public boolean isManaged() throws IOException {
return getRenewer().isManaged(this);
}
/**
* Renew this delegation token
* @return the new expiration time
* @throws IOException
* @throws InterruptedException
*/
public long renew(Configuration conf
) throws IOException, InterruptedException {
return getRenewer().renew(this, conf);
}
/**
* Cancel this delegation token
* @throws IOException
* @throws InterruptedException
*/
public void cancel(Configuration conf
) throws IOException, InterruptedException {
getRenewer().cancel(this, conf);
}
/**
* A trivial renewer for token kinds that aren't managed. Sub-classes need
* to implement getKind for their token kind.
*/
@InterfaceAudience.LimitedPrivate({"HDFS", "MapReduce"})
@InterfaceStability.Evolving
public static class TrivialRenewer extends TokenRenewer {
// define the kind for this renewer
protected Text getKind() {
return null;
}
@Override
public boolean handleKind(Text kind) {
return kind.equals(getKind());
}
@Override
public boolean isManaged(Token<?> token) {
return false;
}
@Override
public long renew(Token<?> token, Configuration conf) {
throw new UnsupportedOperationException("Token renewal is not supported "+
" for " + token.kind + " tokens");
}
@Override
public void cancel(Token<?> token, Configuration conf) throws IOException,
InterruptedException {
throw new UnsupportedOperationException("Token cancel is not supported " +
" for " + token.kind + " tokens");
}
}
private static final TokenRenewer TRIVIAL_RENEWER = new TrivialRenewer();
}

69
hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/security/token/TokenRenewer.java Normal file
View File

@ -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
*
* 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.security.token;
import java.io.IOException;
import org.apache.hadoop.classification.InterfaceAudience;
import org.apache.hadoop.classification.InterfaceStability;
import org.apache.hadoop.conf.Configuration;
import org.apache.hadoop.io.Text;
/**
* This is the interface for plugins that handle tokens.
*/
@InterfaceAudience.LimitedPrivate({"HDFS", "MapReduce"})
@InterfaceStability.Evolving
public abstract class TokenRenewer {
/**
* Does this renewer handle this kind of token?
* @param kind the kind of the token
* @return true if this renewer can renew it
*/
public abstract boolean handleKind(Text kind);
/**
* Is the given token managed? Only managed tokens may be renewed or
* cancelled.
* @param token the token being checked
* @return true if the token may be renewed or cancelled
* @throws IOException
*/
public abstract boolean isManaged(Token<?> token) throws IOException;
/**
* Renew the given token.
* @return the new expiration time
* @throws IOException
* @throws InterruptedException
*/
public abstract long renew(Token<?> token,
Configuration conf
) throws IOException, InterruptedException;
/**
* Cancel the given token
* @throws IOException
* @throws InterruptedException
*/
public abstract void cancel(Token<?> token,
Configuration conf
) throws IOException, InterruptedException;
}

2
hadoop-hdfs-project/hadoop-hdfs/CHANGES.txt
View File

@ -123,6 +123,8 @@ Trunk (unreleased changes)
HDFS-2424. Added a root element "HdfsFileStatuses" for the response
of webhdfs listStatus. (szetszwo)
MAPREDUCE-2764. Fix renewal of dfs delegation tokens. (Owen via jitendra)
Release 0.23.0 - Unreleased
INCOMPATIBLE CHANGES

2
hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/fs/Hdfs.java
View File

@ -409,6 +409,7 @@ public List<Token<?>> getDelegationTokens(String renewer) throws IOException {
* @return the new expiration time
* @throws InvalidToken
* @throws IOException
* @deprecated Use Token.renew instead.
*/
@SuppressWarnings("unchecked")
public long renewDelegationToken(
@ -423,6 +424,7 @@ public long renewDelegationToken(
* @param token delegation token
* @throws InvalidToken
* @throws IOException
* @deprecated Use Token.cancel instead.
*/
@SuppressWarnings("unchecked")
public void cancelDelegationToken(

78
hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/DFSClient.java
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@ -93,9 +93,11 @@
import org.apache.hadoop.ipc.RemoteException;
import org.apache.hadoop.net.NetUtils;
import org.apache.hadoop.security.AccessControlException;
import org.apache.hadoop.security.SecurityUtil;
import org.apache.hadoop.security.UserGroupInformation;
import org.apache.hadoop.security.token.SecretManager.InvalidToken;
import org.apache.hadoop.security.token.Token;
import org.apache.hadoop.security.token.TokenRenewer;
import org.apache.hadoop.util.Progressable;
/********************************************************
@ -115,6 +117,7 @@ public class DFSClient implements java.io.Closeable {
public static final long SERVER_DEFAULTS_VALIDITY_PERIOD = 60 * 60 * 1000L; // 1 hour
static final int TCP_WINDOW_SIZE = 128 * 1024; // 128 KB
final ClientProtocol namenode;
private final InetSocketAddress nnAddress;
final UserGroupInformation ugi;
volatile boolean clientRunning = true;
private volatile FsServerDefaults serverDefaults;
@ -241,6 +244,7 @@ public DFSClient(InetSocketAddress nameNodeAddr, Configuration conf,
this.dfsClientConf = new Conf(conf);
this.conf = conf;
this.stats = stats;
this.nnAddress = nameNodeAddr;
this.socketFactory = NetUtils.getSocketFactory(conf, ClientProtocol.class);
this.dtpReplaceDatanodeOnFailure = ReplaceDatanodeOnFailure.get(conf);
@ -442,18 +446,26 @@ public Token<DelegationTokenIdentifier> getDelegationToken(Text renewer)
throws IOException {
Token<DelegationTokenIdentifier> result =
namenode.getDelegationToken(renewer);
SecurityUtil.setTokenService(result, nnAddress);
LOG.info("Created " + DelegationTokenIdentifier.stringifyToken(result));
return result;
}
/**
* @see ClientProtocol#renewDelegationToken(Token)
* Renew a delegation token
* @param token the token to renew
* @return the new expiration time
* @throws InvalidToken
* @throws IOException
* @deprecated Use Token.renew instead.
*/
public long renewDelegationToken(Token<DelegationTokenIdentifier> token)
throws InvalidToken, IOException {
LOG.info("Renewing " + DelegationTokenIdentifier.stringifyToken(token));
try {
return namenode.renewDelegationToken(token);
return token.renew(conf);
} catch (InterruptedException ie) {
throw new RuntimeException("caught interrupted", ie);
} catch (RemoteException re) {
throw re.unwrapRemoteException(InvalidToken.class,
AccessControlException.class);
@ -461,19 +473,77 @@ public long renewDelegationToken(Token<DelegationTokenIdentifier> token)
}
/**
* @see ClientProtocol#cancelDelegationToken(Token)
* Cancel a delegation token
* @param token the token to cancel
* @throws InvalidToken
* @throws IOException
* @deprecated Use Token.cancel instead.
*/
public void cancelDelegationToken(Token<DelegationTokenIdentifier> token)
throws InvalidToken, IOException {
LOG.info("Cancelling " + DelegationTokenIdentifier.stringifyToken(token));
try {
namenode.cancelDelegationToken(token);
token.cancel(conf);
} catch (InterruptedException ie) {
throw new RuntimeException("caught interrupted", ie);
} catch (RemoteException re) {
throw re.unwrapRemoteException(InvalidToken.class,
AccessControlException.class);
}
}
@InterfaceAudience.Private
public static class Renewer extends TokenRenewer {
@Override
public boolean handleKind(Text kind) {
return DelegationTokenIdentifier.HDFS_DELEGATION_KIND.equals(kind);
}
@SuppressWarnings("unchecked")
@Override
public long renew(Token<?> token, Configuration conf) throws IOException {
Token<DelegationTokenIdentifier> delToken =
(Token<DelegationTokenIdentifier>) token;
LOG.info("Renewing " +
DelegationTokenIdentifier.stringifyToken(delToken));
ClientProtocol nn =
DFSUtil.createNamenode
(NameNode.getAddress(token.getService().toString()),
conf, UserGroupInformation.getCurrentUser());
try {
return nn.renewDelegationToken(delToken);
} catch (RemoteException re) {
throw re.unwrapRemoteException(InvalidToken.class,
AccessControlException.class);
}
}
@SuppressWarnings("unchecked")
@Override
public void cancel(Token<?> token, Configuration conf) throws IOException {
Token<DelegationTokenIdentifier> delToken =
(Token<DelegationTokenIdentifier>) token;
LOG.info("Cancelling " +
DelegationTokenIdentifier.stringifyToken(delToken));
ClientProtocol nn = DFSUtil.createNamenode(
NameNode.getAddress(token.getService().toString()), conf,
UserGroupInformation.getCurrentUser());
try {
nn.cancelDelegationToken(delToken);
} catch (RemoteException re) {
throw re.unwrapRemoteException(InvalidToken.class,
AccessControlException.class);
}
}
@Override
public boolean isManaged(Token<?> token) throws IOException {
return true;
}
}
/**
* Report corrupt blocks that were discovered by the client.
* @see ClientProtocol#reportBadBlocks(LocatedBlock[])

17
hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/DistributedFileSystem.java
View File

@ -811,7 +811,6 @@ Token<DelegationTokenIdentifier> getDelegationToken(String renewer
) throws IOException {
Token<DelegationTokenIdentifier> result =
dfs.getDelegationToken(renewer == null ? null : new Text(renewer));
result.setService(new Text(getCanonicalServiceName()));
return result;
}
@ -831,7 +830,7 @@ Token<DelegationTokenIdentifier> getDelegationToken(String renewer
@Deprecated
public Token<DelegationTokenIdentifier> getDelegationToken(Text renewer)
throws IOException {
return dfs.getDelegationToken(renewer);
return getDelegationToken(renewer.toString());
}
@Override // FileSystem
@ -848,10 +847,15 @@ public List<Token<?>> getDelegationTokens(String renewer) throws IOException {
* @param token delegation token obtained earlier
* @return the new expiration time
* @throws IOException
* @deprecated Use Token.renew instead.
*/
public long renewDelegationToken(Token<DelegationTokenIdentifier> token)
throws InvalidToken, IOException {
return dfs.renewDelegationToken(token);
try {
return token.renew(getConf());
} catch (InterruptedException ie) {
throw new RuntimeException("Caught interrupted", ie);
}
}
/**
@ -859,10 +863,15 @@ public long renewDelegationToken(Token<DelegationTokenIdentifier> token)
*
* @param token delegation token
* @throws IOException
* @deprecated Use Token.cancel instead.
*/
public void cancelDelegationToken(Token<DelegationTokenIdentifier> token)
throws IOException {
dfs.cancelDelegationToken(token);
try {
token.cancel(getConf());
} catch (InterruptedException ie) {
throw new RuntimeException("Caught interrupted", ie);
}
}
/**

140
hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/HftpFileSystem.java
View File

@ -60,6 +60,7 @@
import org.apache.hadoop.security.UserGroupInformation;
import org.apache.hadoop.security.token.Token;
import org.apache.hadoop.security.token.TokenIdentifier;
import org.apache.hadoop.security.token.TokenRenewer;
import org.apache.hadoop.util.Progressable;
import org.apache.hadoop.util.ServletUtil;
import org.xml.sax.Attributes;
@ -83,14 +84,18 @@ public class HftpFileSystem extends FileSystem {
HttpURLConnection.setFollowRedirects(true);
}
public static final Text TOKEN_KIND = new Text("HFTP delegation");
private String nnHttpUrl;
private URI hdfsURI;
private Text hdfsServiceName;
private URI hftpURI;
protected InetSocketAddress nnAddr;
protected UserGroupInformation ugi;
public static final String HFTP_TIMEZONE = "UTC";
public static final String HFTP_DATE_FORMAT = "yyyy-MM-dd'T'HH:mm:ssZ";
private Token<DelegationTokenIdentifier> delegationToken;
private Token<?> delegationToken;
private Token<?> renewToken;
public static final String HFTP_SERVICE_NAME_KEY = "hdfs.service.host_";
public static final SimpleDateFormat getDateFormat() {
@ -118,7 +123,7 @@ protected int getDefaultPort() {
@Override
public String getCanonicalServiceName() {
return SecurityUtil.buildDTServiceName(hdfsURI, getDefaultPort());
return SecurityUtil.buildDTServiceName(hftpURI, getDefaultPort());
}
private String buildUri(String schema, String host, int port) {
@ -144,17 +149,21 @@ public void initialize(final URI name, final Configuration conf)
urlPort = conf.getInt(DFSConfigKeys.DFS_HTTPS_PORT_KEY,
DFSConfigKeys.DFS_HTTPS_PORT_DEFAULT);
nnHttpUrl =
buildUri("https://", NetUtils.normalizeHostName(name.getHost()), urlPort);
String normalizedNN = NetUtils.normalizeHostName(name.getHost());
nnHttpUrl = buildUri("https://", normalizedNN ,urlPort);
LOG.debug("using url to get DT:" + nnHttpUrl);
try {
hftpURI = new URI(buildUri("hftp://", normalizedNN, urlPort));
} catch (URISyntaxException ue) {
throw new IOException("bad uri for hdfs", ue);
}
// if one uses RPC port different from the Default one,
// one should specify what is the setvice name for this delegation token
// otherwise it is hostname:RPC_PORT
String key = HftpFileSystem.HFTP_SERVICE_NAME_KEY+
SecurityUtil.buildDTServiceName(name, DFSConfigKeys.DFS_HTTPS_PORT_DEFAULT);
String key = HftpFileSystem.HFTP_SERVICE_NAME_KEY
+ SecurityUtil.buildDTServiceName(name,
DFSConfigKeys.DFS_HTTPS_PORT_DEFAULT);
if(LOG.isDebugEnabled()) {
LOG.debug("Trying to find DT for " + name + " using key=" + key +
"; conf=" + conf.get(key, ""));
@ -165,9 +174,10 @@ public void initialize(final URI name, final Configuration conf)
nnPort = NetUtils.createSocketAddr(nnServiceName,
NameNode.DEFAULT_PORT).getPort();
}
try {
hdfsURI = new URI(buildUri("hdfs://", nnAddr.getHostName(), nnPort));
URI hdfsURI = new URI("hdfs://" + normalizedNN + ":" + nnPort);
hdfsServiceName = new Text(SecurityUtil.buildDTServiceName(hdfsURI,
nnPort));
} catch (URISyntaxException ue) {
throw new IOException("bad uri for hdfs", ue);
}
@ -175,30 +185,55 @@ public void initialize(final URI name, final Configuration conf)
if (UserGroupInformation.isSecurityEnabled()) {
//try finding a token for this namenode (esp applicable for tasks
//using hftp). If there exists one, just set the delegationField
String canonicalName = getCanonicalServiceName();
String hftpServiceName = getCanonicalServiceName();
for (Token<? extends TokenIdentifier> t : ugi.getTokens()) {
if (DelegationTokenIdentifier.HDFS_DELEGATION_KIND.equals(t.getKind()) &&
t.getService().toString().equals(canonicalName)) {
if(LOG.isDebugEnabled()) {
LOG.debug("Found existing DT for " + name);
}
delegationToken = (Token<DelegationTokenIdentifier>) t;
Text kind = t.getKind();
if (DelegationTokenIdentifier.HDFS_DELEGATION_KIND.equals(kind)) {
if (t.getService().toString().equals(hdfsServiceName)) {
setDelegationToken(t);
break;
}
} else if (TOKEN_KIND.equals(kind)) {
if (hftpServiceName
.equals(normalizeService(t.getService().toString()))) {
setDelegationToken(t);
break;
}
}
}
//since we don't already have a token, go get one over https
if (delegationToken == null) {
delegationToken =
(Token<DelegationTokenIdentifier>) getDelegationToken(null);
setDelegationToken(getDelegationToken(null));
renewer.addTokenToRenew(this);
}
}
}
private String normalizeService(String service) {
int colonIndex = service.indexOf(':');
if (colonIndex == -1) {
throw new IllegalArgumentException("Invalid service for hftp token: " +
service);
}
String hostname =
NetUtils.normalizeHostName(service.substring(0, colonIndex));
String port = service.substring(colonIndex + 1);
return hostname + ":" + port;
}
private <T extends TokenIdentifier> void setDelegationToken(Token<T> token) {
renewToken = token;
// emulate the 203 usage of the tokens
// by setting the kind and service as if they were hdfs tokens
delegationToken = new Token<T>(token);
delegationToken.setKind(DelegationTokenIdentifier.HDFS_DELEGATION_KIND);
delegationToken.setService(hdfsServiceName);
}
@Override
public synchronized Token<?> getDelegationToken(final String renewer) throws IOException {
public synchronized Token<?> getDelegationToken(final String renewer
) throws IOException {
try {
//Renew TGT if needed
ugi.reloginFromKeytab();
@ -221,7 +256,6 @@ public Token<?> run() throws IOException {
LOG.debug("Got dt for " + getUri() + ";t.service="
+t.getService());
}
t.setService(new Text(getCanonicalServiceName()));
return t;
}
return null;
@ -625,7 +659,8 @@ public long getDelay(TimeUnit unit) {
@Override
public int compareTo(Delayed o) {
if (o.getClass() != RenewAction.class) {
throw new IllegalArgumentException("Illegal comparision to non-RenewAction");
throw new IllegalArgumentException
("Illegal comparision to non-RenewAction");
}
RenewAction other = (RenewAction) o;
return timestamp < other.timestamp ? -1 :
@ -662,31 +697,20 @@ public void setNewTime(long newTime) {
* @return
* @throws IOException
*/
@SuppressWarnings("unchecked")
public boolean renew() throws IOException, InterruptedException {
final HftpFileSystem fs = weakFs.get();
if (fs != null) {
synchronized (fs) {
fs.ugi.reloginFromKeytab();
fs.ugi.doAs(new PrivilegedExceptionAction<Void>() {
@Override
public Void run() throws Exception {
try {
DelegationTokenFetcher.renewDelegationToken(fs.nnHttpUrl,
fs.delegationToken);
fs.renewToken.renew(fs.getConf());
} catch (IOException ie) {
try {
fs.delegationToken =
(Token<DelegationTokenIdentifier>) fs.getDelegationToken(null);
fs.setDelegationToken(fs.getDelegationToken(null));
} catch (IOException ie2) {
throw new IOException("Can't renew or get new delegation token ",
ie);
throw new IOException("Can't renew or get new delegation "
+ "token ", ie);
}
}
return null;
}
});
}
}
return fs != null;
@ -747,4 +771,44 @@ public void run() {
}
}
}
@InterfaceAudience.Private
public static class TokenManager extends TokenRenewer {
@Override
public boolean handleKind(Text kind) {
return kind.equals(TOKEN_KIND);
}
@Override
public boolean isManaged(Token<?> token) throws IOException {
return true;
}
@SuppressWarnings("unchecked")
@Override
public long renew(Token<?> token,
Configuration conf) throws IOException {
// update the kerberos credentials, if they are coming from a keytab
UserGroupInformation.getLoginUser().checkTGTAndReloginFromKeytab();
// use https to renew the token
return
DelegationTokenFetcher.renewDelegationToken
("https://" + token.getService().toString(),
(Token<DelegationTokenIdentifier>) token);
}
@SuppressWarnings("unchecked")
@Override
public void cancel(Token<?> token,
Configuration conf) throws IOException {
// update the kerberos credentials, if they are coming from a keytab
UserGroupInformation.getLoginUser().checkTGTAndReloginFromKeytab();
// use https to cancel the token
DelegationTokenFetcher.cancelDelegationToken
("https://" + token.getService().toString(),
(Token<DelegationTokenIdentifier>) token);
}
}
}

9
hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/security/token/block/BlockTokenIdentifier.java
View File

@ -28,6 +28,7 @@
import org.apache.hadoop.io.Text;
import org.apache.hadoop.io.WritableUtils;
import org.apache.hadoop.security.UserGroupInformation;
import org.apache.hadoop.security.token.Token;
import org.apache.hadoop.security.token.TokenIdentifier;
@InterfaceAudience.Private
@ -171,4 +172,12 @@ public byte[] getBytes() {
return cache;
}
@InterfaceAudience.Private
public static class Renewer extends Token.TrivialRenewer {
@Override
protected Text getKind() {
return KIND_NAME;
}
}
}

80
hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/tools/DelegationTokenFetcher.java
View File

@ -39,14 +39,17 @@
import org.apache.hadoop.conf.Configuration;
import org.apache.hadoop.fs.FileSystem;
import org.apache.hadoop.fs.Path;
import org.apache.hadoop.hdfs.DFSConfigKeys;
import org.apache.hadoop.hdfs.DistributedFileSystem;
import org.apache.hadoop.hdfs.HdfsConfiguration;
import org.apache.hadoop.hdfs.HftpFileSystem;
import org.apache.hadoop.hdfs.security.token.delegation.DelegationTokenIdentifier;
import org.apache.hadoop.hdfs.security.token.delegation.DelegationTokenSecretManager;
import org.apache.hadoop.hdfs.server.namenode.CancelDelegationTokenServlet;
import org.apache.hadoop.hdfs.server.namenode.GetDelegationTokenServlet;
import org.apache.hadoop.hdfs.server.namenode.RenewDelegationTokenServlet;
import org.apache.hadoop.io.IOUtils;
import org.apache.hadoop.io.Text;
import org.apache.hadoop.security.Credentials;
import org.apache.hadoop.security.SecurityUtil;
import org.apache.hadoop.security.UserGroupInformation;
@ -149,34 +152,31 @@ public Object run() throws Exception {
DataInputStream in = new DataInputStream(
new ByteArrayInputStream(token.getIdentifier()));
id.readFields(in);
if(LOG.isDebugEnabled()) {
LOG.debug("Token (" + id + ") for " + token.getService());
}
}
return null;
}
if (webUrl != null) {
if (renew) {
long result;
for (Token<?> token : readTokens(tokenFile, conf)) {
result = renewDelegationToken(webUrl,
(Token<DelegationTokenIdentifier>) token);
if(LOG.isDebugEnabled()) {
LOG.debug("Renewed token via " + webUrl + " for "
+ token.getService() + " until: " + new Date(result));
}
System.out.println("Token (" + id + ") for " +
token.getService());
}
} else if (cancel) {
for(Token<?> token: readTokens(tokenFile, conf)) {
cancelDelegationToken(webUrl,
(Token<DelegationTokenIdentifier>) token);
if (token.isManaged()) {
token.cancel(conf);
if (LOG.isDebugEnabled()) {
LOG.debug("Cancelled token via " + webUrl + " for "
+ token.getService());
LOG.debug("Cancelled token for " + token.getService());
}
}
}
} else if (renew) {
for (Token<?> token : readTokens(tokenFile, conf)) {
if (token.isManaged()) {
long result = token.renew(conf);
if (LOG.isDebugEnabled()) {
LOG.debug("Renewed token for " + token.getService()
+ " until: " + new Date(result));
}
}
}
} else {
// otherwise we are fetching
if (webUrl != null) {
Credentials creds = getDTfromRemote(webUrl, renewer);
creds.writeTokenStorageFile(tokenFile, conf);
for (Token<?> token : creds.getAllTokens()) {
@ -185,29 +185,8 @@ public Object run() throws Exception {
+ token.getService() + " into " + tokenFile);
}
}
}
} else {
FileSystem fs = FileSystem.get(conf);
if (cancel) {
for (Token<?> token : readTokens(tokenFile, conf)) {
((DistributedFileSystem) fs)
.cancelDelegationToken((Token<DelegationTokenIdentifier>) token);
if(LOG.isDebugEnabled()) {
LOG.debug("Cancelled token for "
+ token.getService());
}
}
} else if (renew) {
long result;
for (Token<?> token : readTokens(tokenFile, conf)) {
result = ((DistributedFileSystem) fs)
.renewDelegationToken((Token<DelegationTokenIdentifier>) token);
if(LOG.isDebugEnabled()) {
LOG.debug("Renewed token for " + token.getService()
+ " until: " + new Date(result));
}
}
} else {
Token<?> token = fs.getDelegationToken(renewer);
Credentials cred = new Credentials();
cred.addToken(token.getService(), token);
@ -230,8 +209,9 @@ static public Credentials getDTfromRemote(String nnAddr,
try {
StringBuffer url = new StringBuffer();
if (renewer != null) {
url.append(nnAddr).append(GetDelegationTokenServlet.PATH_SPEC).append("?").
append(GetDelegationTokenServlet.RENEWER).append("=").append(renewer);
url.append(nnAddr).append(GetDelegationTokenServlet.PATH_SPEC)
.append("?").append(GetDelegationTokenServlet.RENEWER).append("=")
.append(renewer);
} else {
url.append(nnAddr).append(GetDelegationTokenServlet.PATH_SPEC);
}
@ -248,6 +228,12 @@ static public Credentials getDTfromRemote(String nnAddr,
Credentials ts = new Credentials();
dis = new DataInputStream(in);
ts.readFields(dis);
for(Token<?> token: ts.getAllTokens()) {
token.setKind(HftpFileSystem.TOKEN_KIND);
token.setService(new Text(SecurityUtil.buildDTServiceName
(remoteURL.toURI(),
DFSConfigKeys.DFS_HTTPS_PORT_DEFAULT)));
}
return ts;
} catch (Exception e) {
throw new IOException("Unable to obtain remote token", e);
@ -295,7 +281,8 @@ static public long renewDelegationToken(String nnAddr,
IOUtils.cleanup(LOG, in);
if(e!=null) {
LOG.info("rethrowing exception from HTTP request: " + e.getLocalizedMessage());
LOG.info("rethrowing exception from HTTP request: " +
e.getLocalizedMessage());
throw e;
}
throw ie;
@ -383,7 +370,8 @@ static public void cancelDelegationToken(String nnAddr,
IOUtils.cleanup(LOG, in);
if(e!=null) {
LOG.info("rethrowing exception from HTTP request: " + e.getLocalizedMessage());
LOG.info("rethrowing exception from HTTP request: " +
e.getLocalizedMessage());
throw e;
}
throw ie;

3
hadoop-hdfs-project/hadoop-hdfs/src/main/resources/META-INF/services/org.apache.hadoop.security.token.TokenRenewer Normal file
View File

@ -0,0 +1,3 @@
org.apache.hadoop.hdfs.DFSClient$Renewer
org.apache.hadoop.hdfs.security.token.block.BlockTokenIdentifier$Renewer
org.apache.hadoop.hdfs.HftpFileSystem$TokenManager

2
hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/fs/TestResolveHdfsSymlink.java
View File

@ -105,7 +105,7 @@ public void testFcResolveAfs() throws IOException, InterruptedException {
* @throws IOException
* @throws InterruptedException
*/
@SuppressWarnings("unchecked")
@SuppressWarnings({ "unchecked", "deprecation" })
@Test
public void testFcDelegationToken() throws UnsupportedFileSystemException,
IOException, InterruptedException {

1
hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/security/TestDelegationToken.java
View File

@ -183,6 +183,7 @@ public WebHdfsFileSystem run() throws Exception {
dtSecretManager.renewToken(token, "JobTracker");
}
@SuppressWarnings("deprecation")
@Test
public void testDelegationTokenWithDoAs() throws Exception {
final DistributedFileSystem dfs = (DistributedFileSystem) cluster.getFileSystem();

8
hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/namenode/OfflineEditsViewerHelper.java
View File

@ -203,11 +203,9 @@ private CheckpointSignature runOperations() throws IOException {
"JobTracker/foo.com@FOO.COM");
try {
longUgi.doAs(new PrivilegedExceptionAction<Object>() {
public Object run() throws IOException {
final DistributedFileSystem dfs =
(DistributedFileSystem) cluster.getFileSystem();
dfs.renewDelegationToken(token);
dfs.cancelDelegationToken(token);
public Object run() throws IOException, InterruptedException {
token.renew(config);
token.cancel(config);
return null;
}
});

61
hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/tools/TestDelegationTokenFetcher.java
View File

@ -20,7 +20,6 @@
import static org.junit.Assert.assertTrue;
import static org.mockito.Matchers.eq;
import static org.mockito.Mockito.mock;
import static org.mockito.Mockito.verify;
import static org.mockito.Mockito.when;
import java.io.IOException;
@ -37,7 +36,9 @@
import org.apache.hadoop.hdfs.tools.DelegationTokenFetcher;
import org.apache.hadoop.io.Text;
import org.apache.hadoop.security.Credentials;
import org.apache.hadoop.security.UserGroupInformation;
import org.apache.hadoop.security.token.Token;
import org.apache.hadoop.security.token.TokenRenewer;
import org.junit.Before;
import org.junit.Test;
@ -46,6 +47,7 @@ public class TestDelegationTokenFetcher {
private Configuration conf;
private URI uri;
private static final String SERVICE_VALUE = "localhost:2005";
private static final Text KIND = new Text("TESTING-TOKEN-KIND");
private static String tokenFile = "file.dta";
@Before
@ -56,25 +58,59 @@ public void init() throws URISyntaxException, IOException {
FileSystemTestHelper.addFileSystemForTesting(uri, conf, dfs);
}
public static class FakeRenewer extends TokenRenewer {
static Token<?> lastRenewed = null;
static Token<?> lastCanceled = null;
@Override
public boolean handleKind(Text kind) {
return KIND.equals(kind);
}
@Override
public boolean isManaged(Token<?> token) throws IOException {
return true;
}
@Override
public long renew(Token<?> token, Configuration conf) {
lastRenewed = token;
return 0;
}
@Override
public void cancel(Token<?> token, Configuration conf) {
lastCanceled = token;
}
public static void reset() {
lastRenewed = null;
lastCanceled = null;
}
}
/**
* Verify that when the DelegationTokenFetcher runs, it talks to the Namenode,
* pulls out the correct user's token and successfully serializes it to disk.
*/
@SuppressWarnings("deprecation")
@Test
public void expectedTokenIsRetrievedFromDFS() throws Exception {
final byte[] ident = new DelegationTokenIdentifier(new Text("owner"),
new Text("renewer"), new Text("realuser")).getBytes();
final byte[] pw = new byte[] { 42 };
final Text kind = new Text("MY-KIND");
final Text service = new Text(uri.toString());
final String user =
UserGroupInformation.getCurrentUser().getShortUserName();
// Create a token for the fetcher to fetch, wire NN to return it when asked
// for this particular user.
Token<DelegationTokenIdentifier> t = new Token<DelegationTokenIdentifier>(
ident, pw, kind, service);
when(dfs.getDelegationToken((String) null)).thenReturn(t);
Token<DelegationTokenIdentifier> t =
new Token<DelegationTokenIdentifier>(ident, pw, KIND, service);
when(dfs.getDelegationToken(eq((String) null))).thenReturn(t);
when(dfs.renewDelegationToken(eq(t))).thenReturn(1000L);
when(dfs.getUri()).thenReturn(uri);
FakeRenewer.reset();
FileSystem fileSys = FileSystem.getLocal(conf);
try {
@ -88,14 +124,13 @@ public void expectedTokenIsRetrievedFromDFS() throws Exception {
assertEquals(t, itr.next());
assertTrue(!itr.hasNext());
DelegationTokenFetcher.main(new String[] { "-fs", uri.toString(),
"--print", tokenFile });
DelegationTokenFetcher.main(new String[] { "-fs", uri.toString(),
"--renew", tokenFile });
DelegationTokenFetcher.main(new String[] { "-fs", uri.toString(),
"--cancel", tokenFile });
verify(dfs).renewDelegationToken(eq(t));
verify(dfs).cancelDelegationToken(eq(t));
DelegationTokenFetcher.main(new String[] { "--print", tokenFile });
DelegationTokenFetcher.main(new String[] { "--renew", tokenFile });
assertEquals(t, FakeRenewer.lastRenewed);
FakeRenewer.reset();
DelegationTokenFetcher.main(new String[] { "--cancel", tokenFile });
assertEquals(t, FakeRenewer.lastCanceled);
} finally {
fileSys.delete(new Path(tokenFile), true);
}

1
hadoop-hdfs-project/hadoop-hdfs/src/test/resources/META-INF/services/org.apache.hadoop.security.token.TokenRenewer Normal file
View File

@ -0,0 +1 @@
org.apache.hadoop.tools.TestDelegationTokenFetcher$FakeRenewer

2
hadoop-mapreduce-project/CHANGES.txt
View File

@ -48,6 +48,8 @@ Trunk (unreleased changes)
MAPREDUCE-3183. hadoop-assemblies/src/main/resources/assemblies/hadoop-mapreduce-dist.xml
missing license header. (Hitesh Shah via tucu).
MAPREDUCE-2764. Fix renewal of dfs delegation tokens. (Owen via jitendra)
Release 0.23.0 - Unreleased
INCOMPATIBLE CHANGES

38
hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-core/src/main/java/org/apache/hadoop/mapred/JobClient.java
View File

@ -43,6 +43,7 @@
import org.apache.hadoop.fs.Path;
import org.apache.hadoop.io.Text;
import org.apache.hadoop.security.token.Token;
import org.apache.hadoop.security.token.TokenRenewer;
import org.apache.hadoop.security.token.SecretManager.InvalidToken;
import org.apache.hadoop.util.Tool;
import org.apache.hadoop.util.ToolRunner;
@ -459,6 +460,37 @@ public void init(JobConf conf) throws IOException {
cluster = new Cluster(conf);
}
@InterfaceAudience.Private
public static class Renewer extends TokenRenewer {
@Override
public boolean handleKind(Text kind) {
return DelegationTokenIdentifier.MAPREDUCE_DELEGATION_KIND.equals(kind);
}
@SuppressWarnings("unchecked")
@Override
public long renew(Token<?> token, Configuration conf
) throws IOException, InterruptedException {
return new Cluster(conf).
renewDelegationToken((Token<DelegationTokenIdentifier>) token);
}
@SuppressWarnings("unchecked")
@Override
public void cancel(Token<?> token, Configuration conf
) throws IOException, InterruptedException {
new Cluster(conf).
cancelDelegationToken((Token<DelegationTokenIdentifier>) token);
}
@Override
public boolean isManaged(Token<?> token) throws IOException {
return true;
}
}
/**
* Build a job client, connect to the indicated job tracker.
*
@ -1048,22 +1080,24 @@ public QueueAclsInfo[] getQueueAclsForCurrentUser() throws IOException {
* @return true if the renewal went well
* @throws InvalidToken
* @throws IOException
* @deprecated Use {@link Token.renew} instead
*/
public long renewDelegationToken(Token<DelegationTokenIdentifier> token
) throws InvalidToken, IOException,
InterruptedException {
return cluster.renewDelegationToken(token);
return token.renew(getConf());
}
/**
* Cancel a delegation token from the JobTracker
* @param token the token to cancel
* @throws IOException
* @deprecated Use {@link Token.cancel} instead
*/
public void cancelDelegationToken(Token<DelegationTokenIdentifier> token
) throws InvalidToken, IOException,
InterruptedException {
cluster.cancelDelegationToken(token);
token.cancel(getConf());
}
/**

2
hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-core/src/main/java/org/apache/hadoop/mapreduce/Cluster.java
View File

@ -371,6 +371,7 @@ public long getTaskTrackerExpiryInterval() throws IOException,
* @return the new expiration time
* @throws InvalidToken
* @throws IOException
* @deprecated Use {@link Token.renew} instead
*/
public long renewDelegationToken(Token<DelegationTokenIdentifier> token
) throws InvalidToken, IOException,
@ -387,6 +388,7 @@ public long renewDelegationToken(Token<DelegationTokenIdentifier> token
* Cancel a delegation token from the JobTracker
* @param token the token to cancel
* @throws IOException
* @deprecated Use {@link Token.cancel} instead
*/
public void cancelDelegationToken(Token<DelegationTokenIdentifier> token
) throws IOException,

231
hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-core/src/main/java/org/apache/hadoop/mapreduce/security/token/DelegationTokenRenewal.java
View File

@ -19,8 +19,6 @@
package org.apache.hadoop.mapreduce.security.token;
import java.io.IOException;
import java.net.InetAddress;
import java.net.URI;
import java.security.PrivilegedExceptionAction;
import java.util.Collection;
import java.util.Collections;
@ -37,18 +35,10 @@
import org.apache.hadoop.classification.InterfaceAudience;
import org.apache.hadoop.classification.InterfaceStability;
import org.apache.hadoop.conf.Configuration;
import org.apache.hadoop.fs.FileSystem;
import org.apache.hadoop.hdfs.DistributedFileSystem;
import org.apache.hadoop.hdfs.security.token.delegation.DelegationTokenIdentifier;
import org.apache.hadoop.hdfs.tools.DelegationTokenFetcher;
import org.apache.hadoop.io.Text;
import org.apache.hadoop.mapreduce.JobID;
import org.apache.hadoop.security.AccessControlException;
import org.apache.hadoop.security.Credentials;
import org.apache.hadoop.security.UserGroupInformation;
import org.apache.hadoop.security.token.SecretManager.InvalidToken;
import org.apache.hadoop.security.token.Token;
import org.apache.hadoop.security.token.TokenIdentifier;
import org.apache.hadoop.hdfs.DFSConfigKeys;
import org.apache.hadoop.util.StringUtils;
@ -64,14 +54,14 @@ public class DelegationTokenRenewal {
*
*/
private static class DelegationTokenToRenew {
public final Token<DelegationTokenIdentifier> token;
public final Token<?> token;
public final JobID jobId;
public final Configuration conf;
public long expirationDate;
public TimerTask timerTask;
public DelegationTokenToRenew(
JobID jId, Token<DelegationTokenIdentifier> t,
JobID jId, Token<?> t,
Configuration newConf, long newExpirationDate) {
token = t;
jobId = jId;
@ -124,10 +114,9 @@ public int hashCode() {
private static class DelegationTokenCancelThread extends Thread {
private static class TokenWithConf {
Token<DelegationTokenIdentifier> token;
Token<?> token;
Configuration conf;
TokenWithConf(Token<DelegationTokenIdentifier> token,
Configuration conf) {
TokenWithConf(Token<?> token, Configuration conf) {
this.token = token;
this.conf = conf;
}
@ -139,7 +128,7 @@ public DelegationTokenCancelThread() {
super("Delegation Token Canceler");
setDaemon(true);
}
public void cancelToken(Token<DelegationTokenIdentifier> token,
public void cancelToken(Token<?> token,
Configuration conf) {
TokenWithConf tokenWithConf = new TokenWithConf(token, conf);
while (!queue.offer(tokenWithConf)) {
@ -158,25 +147,21 @@ public void run() {
TokenWithConf tokenWithConf = null;
try {
tokenWithConf = queue.take();
DistributedFileSystem dfs = null;
try {
// do it over rpc. For that we need DFS object
dfs = getDFSForToken(tokenWithConf.token, tokenWithConf.conf);
} catch (Exception e) {
LOG.info("couldn't get DFS to cancel. Will retry over HTTPS");
dfs = null;
}
final TokenWithConf current = tokenWithConf;
if(dfs != null) {
dfs.cancelDelegationToken(tokenWithConf.token);
} else {
cancelDelegationTokenOverHttps(tokenWithConf.token,
tokenWithConf.conf);
}
if (LOG.isDebugEnabled()) {
LOG.debug("Canceling token " + tokenWithConf.token.getService() +
" for dfs=" + dfs);
LOG.debug("Canceling token " + tokenWithConf.token.getService());
}
// need to use doAs so that http can find the kerberos tgt
UserGroupInformation.getLoginUser().doAs(
new PrivilegedExceptionAction<Void>() {
@Override
public Void run() throws Exception {
current.token.cancel(current.conf);
return null;
}
});
} catch (IOException e) {
LOG.warn("Failed to cancel token " + tokenWithConf.token + " " +
StringUtils.stringifyException(e));
@ -195,119 +180,29 @@ private static void addTokenToList(DelegationTokenToRenew t) {
delegationTokens.add(t);
}
// kind of tokens we currently renew
private static final Text kindHdfs =
DelegationTokenIdentifier.HDFS_DELEGATION_KIND;
@SuppressWarnings("unchecked")
public static synchronized void registerDelegationTokensForRenewal(
JobID jobId, Credentials ts, Configuration conf) {
JobID jobId, Credentials ts, Configuration conf) throws IOException {
if(ts==null)
return; //nothing to add
Collection <Token<? extends TokenIdentifier>> tokens = ts.getAllTokens();
Collection <Token<?>> tokens = ts.getAllTokens();
long now = System.currentTimeMillis();
for(Token<? extends TokenIdentifier> t : tokens) {
// currently we only check for HDFS delegation tokens
// later we can add more different types.
if(! t.getKind().equals(kindHdfs)) {
continue;
}
Token<DelegationTokenIdentifier> dt =
(Token<DelegationTokenIdentifier>)t;
for (Token<?> t : tokens) {
// first renew happens immediately
DelegationTokenToRenew dtr =
new DelegationTokenToRenew(jobId, dt, conf, now);
if (t.isManaged()) {
DelegationTokenToRenew dtr = new DelegationTokenToRenew(jobId, t, conf,
now);
addTokenToList(dtr);
setTimerForTokenRenewal(dtr, true);
LOG.info("registering token for renewal for service =" + dt.getService()+
" and jobID = " + jobId);
LOG.info("registering token for renewal for service =" + t.getService()
+ " and jobID = " + jobId);
}
}
private static String getHttpAddressForToken(
Token<DelegationTokenIdentifier> token, final Configuration conf)
throws IOException {
String[] ipaddr = token.getService().toString().split(":");
InetAddress iaddr = InetAddress.getByName(ipaddr[0]);
String dnsName = iaddr.getCanonicalHostName();
// in case it is a different cluster it may have a different port
String httpsPort = conf.get("dfs.hftp.https.port");
if(httpsPort == null) {
// get from this cluster
httpsPort = conf.get(DFSConfigKeys.DFS_HTTPS_PORT_KEY,
"" + DFSConfigKeys.DFS_HTTPS_PORT_DEFAULT);
}
// always use https (it is for security only)
return "https://" + dnsName+":"+httpsPort;
}
protected static long renewDelegationTokenOverHttps(
final Token<DelegationTokenIdentifier> token, final Configuration conf)
throws InterruptedException, IOException{
final String httpAddress = getHttpAddressForToken(token, conf);
// will be chaged to debug
LOG.info("address to renew=" + httpAddress + "; tok=" + token.getService());
Long expDate = (Long) UserGroupInformation.getLoginUser().doAs(
new PrivilegedExceptionAction<Long>() {
public Long run() throws IOException {
return DelegationTokenFetcher.renewDelegationToken(httpAddress, token);
}
});
LOG.info("Renew over HTTP done. addr="+httpAddress+";res="+expDate);
return expDate;
}
private static long renewDelegationToken(DelegationTokenToRenew dttr)
throws Exception {
long newExpirationDate=System.currentTimeMillis()+3600*1000;
Token<DelegationTokenIdentifier> token = dttr.token;
Configuration conf = dttr.conf;
if(token.getKind().equals(kindHdfs)) {
DistributedFileSystem dfs=null;
try {
// do it over rpc. For that we need DFS object
dfs = getDFSForToken(token, conf);
} catch (IOException e) {
LOG.info("couldn't get DFS to renew. Will retry over HTTPS");
dfs = null;
}
try {
if(dfs != null)
newExpirationDate = dfs.renewDelegationToken(token);
else {
// try HTTP
newExpirationDate = renewDelegationTokenOverHttps(token, conf);
}
} catch (InvalidToken ite) {
LOG.warn("invalid token - not scheduling for renew");
removeFailedDelegationToken(dttr);
throw new IOException("failed to renew token", ite);
} catch (AccessControlException ioe) {
LOG.warn("failed to renew token:"+token, ioe);
removeFailedDelegationToken(dttr);
throw new IOException("failed to renew token", ioe);
} catch (Exception e) {
LOG.warn("failed to renew token:"+token, e);
// returns default expiration date
}
} else {
throw new Exception("unknown token type to renew:"+token.getKind());
}
return newExpirationDate;
}
/**
* Task - to renew a token
*
@ -319,41 +214,29 @@ private static class RenewalTimerTask extends TimerTask {
@Override
public void run() {
Token<DelegationTokenIdentifier> token = dttr.token;
Token<?> token = dttr.token;
long newExpirationDate=0;
try {
newExpirationDate = renewDelegationToken(dttr);
} catch (Exception e) {
return; // message logged in renewDT method
}
if (LOG.isDebugEnabled())
LOG.debug("renewing for:"+token.getService()+";newED=" +
newExpirationDate);
// need to use doAs so that http can find the kerberos tgt
dttr.expirationDate = UserGroupInformation.getLoginUser().doAs(
new PrivilegedExceptionAction<Long>() {
// new expiration date
dttr.expirationDate = newExpirationDate;
setTimerForTokenRenewal(dttr, false);// set the next one
}
}
private static DistributedFileSystem getDFSForToken(
Token<DelegationTokenIdentifier> token, final Configuration conf)
throws Exception {
DistributedFileSystem dfs = null;
try {
final URI uri = new URI (SCHEME + "://" + token.getService().toString());
dfs =
UserGroupInformation.getLoginUser().doAs(
new PrivilegedExceptionAction<DistributedFileSystem>() {
public DistributedFileSystem run() throws IOException {
return (DistributedFileSystem) FileSystem.get(uri, conf);
@Override
public Long run() throws Exception {
return dttr.token.renew(dttr.conf);
}
});
} catch (Exception e) {
LOG.warn("Failed to create a dfs to renew/cancel for:" + token.getService(), e);
throw e;
if (LOG.isDebugEnabled()) {
LOG.debug("renewing for:" + token.getService() + ";newED="
+ dttr.expirationDate);
}
setTimerForTokenRenewal(dttr, false);// set the next one
} catch (Exception e) {
LOG.error("Exception renewing token" + token + ". Not rescheduled", e);
removeFailedDelegationToken(dttr);
}
}
return dfs;
}
/**
@ -372,15 +255,11 @@ private static void setTimerForTokenRenewal(
renewIn = now + expiresIn - expiresIn/10; // little before expiration
}
try {
// need to create new timer every time
TimerTask tTask = new RenewalTimerTask(token);
token.setTimerTask(tTask); // keep reference to the timer
renewalTimer.schedule(token.timerTask, new Date(renewIn));
} catch (Exception e) {
LOG.warn("failed to schedule a task, token will not renew more", e);
}
}
/**
@ -391,33 +270,9 @@ static public void close() {
delegationTokens.clear();
}
protected static void cancelDelegationTokenOverHttps(
final Token<DelegationTokenIdentifier> token, final Configuration conf)
throws InterruptedException, IOException{
final String httpAddress = getHttpAddressForToken(token, conf);
// will be chaged to debug
LOG.info("address to cancel=" + httpAddress + "; tok=" + token.getService());
UserGroupInformation.getLoginUser().doAs(
new PrivilegedExceptionAction<Void>() {
public Void run() throws IOException {
DelegationTokenFetcher.cancelDelegationToken(httpAddress, token);
return null;
}
});
LOG.info("Cancel over HTTP done. addr="+httpAddress);
}
// cancel a token
private static void cancelToken(DelegationTokenToRenew t) {
Token<DelegationTokenIdentifier> token = t.token;
Configuration conf = t.conf;
if(token.getKind().equals(kindHdfs)) {
dtCancelThread.cancelToken(token, conf);
}
dtCancelThread.cancelToken(t.token, t.conf);
}
/**

11
hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-core/src/main/java/org/apache/hadoop/mapreduce/security/token/JobTokenIdentifier.java
View File

@ -25,6 +25,7 @@
import org.apache.hadoop.classification.InterfaceAudience;
import org.apache.hadoop.classification.InterfaceStability;
import org.apache.hadoop.io.Text;
import org.apache.hadoop.security.token.Token;
import org.apache.hadoop.security.token.TokenIdentifier;
import org.apache.hadoop.security.UserGroupInformation;
@ -35,7 +36,7 @@
@InterfaceStability.Unstable
public class JobTokenIdentifier extends TokenIdentifier {
private Text jobid;
final static Text KIND_NAME = new Text("mapreduce.job");
public final static Text KIND_NAME = new Text("mapreduce.job");
/**
* Default constructor
@ -86,4 +87,12 @@ public void readFields(DataInput in) throws IOException {
public void write(DataOutput out) throws IOException {
jobid.write(out);
}
@InterfaceAudience.Private
public static class Renewer extends Token.TrivialRenewer {
@Override
protected Text getKind() {
return KIND_NAME;
}
}
}

2
hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-core/src/main/java/org/apache/hadoop/mapreduce/security/token/delegation/DelegationTokenIdentifier.java
View File

@ -30,7 +30,7 @@
@InterfaceStability.Unstable
public class DelegationTokenIdentifier
extends AbstractDelegationTokenIdentifier {
static final Text MAPREDUCE_DELEGATION_KIND =
public static final Text MAPREDUCE_DELEGATION_KIND =
new Text("MAPREDUCE_DELEGATION_TOKEN");
/**

2
hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-core/src/main/resources/META-INF/services/org.apache.hadoop.security.token.TokenRenewer Normal file
View File

@ -0,0 +1,2 @@
org.apache.hadoop.mapred.JobClient$Renewer
org.apache.hadoop.mapreduce.security.token.JobTokenIndentifier$Renewer

9
hadoop-mapreduce-project/hadoop-yarn/hadoop-yarn-common/src/main/java/org/apache/hadoop/yarn/security/ApplicationTokenIdentifier.java
View File

@ -22,8 +22,10 @@
import java.io.DataOutput;
import java.io.IOException;
import org.apache.hadoop.classification.InterfaceAudience;
import org.apache.hadoop.io.Text;
import org.apache.hadoop.security.UserGroupInformation;
import org.apache.hadoop.security.token.Token;
import org.apache.hadoop.security.token.TokenIdentifier;
import org.apache.hadoop.yarn.api.records.ApplicationId;
@ -74,4 +76,11 @@ public UserGroupInformation getUser() {
return UserGroupInformation.createRemoteUser(appId.toString());
}
@InterfaceAudience.Private
public static class Renewer extends Token.TrivialRenewer {
@Override
protected Text getKind() {
return KIND_NAME;
}
}
}

10
hadoop-mapreduce-project/hadoop-yarn/hadoop-yarn-common/src/main/java/org/apache/hadoop/yarn/security/ContainerTokenIdentifier.java
View File

@ -24,8 +24,10 @@
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.apache.hadoop.classification.InterfaceAudience;
import org.apache.hadoop.io.Text;
import org.apache.hadoop.security.UserGroupInformation;
import org.apache.hadoop.security.token.Token;
import org.apache.hadoop.security.token.TokenIdentifier;
import org.apache.hadoop.yarn.api.records.ApplicationAttemptId;
import org.apache.hadoop.yarn.api.records.ApplicationId;
@ -115,4 +117,12 @@ public UserGroupInformation getUser() {
return UserGroupInformation.createRemoteUser(this.containerId.toString());
}
@InterfaceAudience.Private
public static class Renewer extends Token.TrivialRenewer {
@Override
protected Text getKind() {
return KIND;
}
}
}

2
hadoop-mapreduce-project/hadoop-yarn/hadoop-yarn-common/src/main/resources/META-INF/services/org.apache.hadoop.security.token.TokenRenewer Normal file
View File

@ -0,0 +1,2 @@
org.apache.hadoop.yarn.security.ApplicationTokenIdentifier$Renewer
org.apache.hadoop.yarn.security.ContainerTokenIdentifier$Renewer

1
hadoop-mapreduce-project/src/test/META-INF/services/org.apache.hadoop.security.token.TokenRenewer Normal file
View File

@ -0,0 +1 @@
org.apache.hadoop.mapreduce.security.token.TestDelegationTokenRenewal$Renewer

128
hadoop-mapreduce-project/src/test/mapred/org/apache/hadoop/mapreduce/security/token/TestDelegationTokenRenewal.java
View File

@ -21,6 +21,7 @@
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertTrue;
import static org.junit.Assert.fail;
import java.io.IOException;
import java.net.URI;
@ -41,6 +42,7 @@
import org.apache.hadoop.security.Credentials;
import org.apache.hadoop.security.token.Token;
import org.apache.hadoop.security.token.SecretManager.InvalidToken;
import org.apache.hadoop.security.token.TokenRenewer;
import org.apache.hadoop.util.StringUtils;
import org.junit.BeforeClass;
import org.junit.Test;
@ -54,6 +56,53 @@ public class TestDelegationTokenRenewal {
private static final Log LOG =
LogFactory.getLog(TestDelegationTokenRenewal.class);
private static final Text KIND =
new Text("TestDelegationTokenRenewal.Token");
public static class Renewer extends TokenRenewer {
private static int counter = 0;
private static Token<?> lastRenewed = null;
private static Token<?> tokenToRenewIn2Sec = null;
@Override
public boolean handleKind(Text kind) {
return KIND.equals(kind);
}
@Override
public boolean isManaged(Token<?> token) throws IOException {
return true;
}
@Override
public long renew(Token<?> t, Configuration conf) throws IOException {
MyToken token = (MyToken)t;
if(token.isCanceled()) {
throw new InvalidToken("token has been canceled");
}
lastRenewed = token;
counter ++;
LOG.info("Called MYDFS.renewdelegationtoken " + token +
";this dfs=" + this.hashCode() + ";c=" + counter);
if(tokenToRenewIn2Sec == token) {
// this token first renewal in 2 seconds
LOG.info("RENEW in 2 seconds");
tokenToRenewIn2Sec=null;
return 2*1000 + System.currentTimeMillis();
} else {
return 86400*1000 + System.currentTimeMillis();
}
}
@Override
public void cancel(Token<?> t, Configuration conf) {
MyToken token = (MyToken)t;
LOG.info("Cancel token " + token);
token.cancelToken();
}
}
private static Configuration conf;
@BeforeClass
@ -66,7 +115,7 @@ public static void setUp() throws Exception {
System.out.println("scheme is : " + uri.getScheme());
conf.setClass("fs." + uri.getScheme() + ".impl", MyFS.class, DistributedFileSystem.class);
FileSystem.setDefaultUri(conf, uri);
System.out.println("filesystem uri = " + FileSystem.getDefaultUri(conf).toString());
LOG.info("filesystem uri = " + FileSystem.getDefaultUri(conf).toString());
}
private static class MyDelegationTokenSecretManager extends DelegationTokenSecretManager {
@ -97,11 +146,14 @@ private static class MyToken extends Token<DelegationTokenIdentifier> {
public MyToken(DelegationTokenIdentifier dtId1,
MyDelegationTokenSecretManager sm) {
super(dtId1, sm);
setKind(KIND);
status = "GOOD";
}
public boolean isCanceled() {return status.equals(CANCELED);}
public void cancelToken() {this.status=CANCELED;}
public String toString() {
StringBuilder sb = new StringBuilder(1024);
@ -127,9 +179,6 @@ public String toString() {
* exception
*/
static class MyFS extends DistributedFileSystem {
int counter=0;
MyToken token;
MyToken tokenToRenewIn2Sec;
public MyFS() {}
public void close() {}
@ -137,40 +186,12 @@ public void close() {}
public void initialize(URI uri, Configuration conf) throws IOException {}
@Override
public long renewDelegationToken(Token<DelegationTokenIdentifier> t)
throws InvalidToken, IOException {
MyToken token = (MyToken)t;
if(token.isCanceled()) {
throw new InvalidToken("token has been canceled");
}
counter ++;
this.token = (MyToken)token;
System.out.println("Called MYDFS.renewdelegationtoken " + token);
if(tokenToRenewIn2Sec == token) {
// this token first renewal in 2 seconds
System.out.println("RENEW in 2 seconds");
tokenToRenewIn2Sec=null;
return 2*1000 + System.currentTimeMillis();
} else {
return 86400*1000 + System.currentTimeMillis();
}
}
@Override
public MyToken getDelegationToken(Text renewer)
throws IOException {
System.out.println("Called MYDFS.getdelegationtoken");
return createTokens(renewer);
}
@Override
public void cancelDelegationToken(Token<DelegationTokenIdentifier> t)
throws IOException {
MyToken token = (MyToken)t;
token.cancelToken();
public MyToken getDelegationToken(Text renewer) throws IOException {
MyToken result = createTokens(renewer);
LOG.info("Called MYDFS.getdelegationtoken " + result);
return result;
}
public void setTokenToRenewIn2Sec(MyToken t) {tokenToRenewIn2Sec=t;}
public int getCounter() {return counter; }
public MyToken getToken() {return token;}
}
/**
@ -218,9 +239,9 @@ static MyToken createTokens(Text renewer)
* @throws URISyntaxException
*/
@Test
public void testDTRenewal () throws IOException, URISyntaxException {
public void testDTRenewal () throws Exception {
MyFS dfs = (MyFS)FileSystem.get(conf);
System.out.println("dfs="+(Object)dfs);
LOG.info("dfs="+(Object)dfs.hashCode() + ";conf="+conf.hashCode());
// Test 1. - add three tokens - make sure exactly one get's renewed
// get the delegation tokens
@ -230,8 +251,8 @@ public void testDTRenewal () throws IOException, URISyntaxException {
token3 = dfs.getDelegationToken(new Text("user3"));
//to cause this one to be set for renew in 2 secs
dfs.setTokenToRenewIn2Sec(token1);
System.out.println("token="+token1+" should be renewed for 2 secs");
Renewer.tokenToRenewIn2Sec = token1;
LOG.info("token="+token1+" should be renewed for 2 secs");
// two distinct Namenodes
String nn1 = DelegationTokenRenewal.SCHEME + "://host1:0";
@ -258,15 +279,13 @@ public void testDTRenewal () throws IOException, URISyntaxException {
} catch (InterruptedException e) {}
// since we cannot guarantee timely execution - let's give few chances
if(dfs.getCounter()==numberOfExpectedRenewals)
if(Renewer.counter==numberOfExpectedRenewals)
break;
}
System.out.println("Counter = " + dfs.getCounter() + ";t="+
dfs.getToken());
assertEquals("renew wasn't called as many times as expected(4):",
numberOfExpectedRenewals, dfs.getCounter());
assertEquals("most recently renewed token mismatch", dfs.getToken(),
numberOfExpectedRenewals, Renewer.counter);
assertEquals("most recently renewed token mismatch", Renewer.lastRenewed,
token1);
// Test 2.
@ -277,8 +296,8 @@ public void testDTRenewal () throws IOException, URISyntaxException {
MyToken token4 = dfs.getDelegationToken(new Text("user4"));
//to cause this one to be set for renew in 2 secs
dfs.setTokenToRenewIn2Sec(token4);
System.out.println("token="+token4+" should be renewed for 2 secs");
Renewer.tokenToRenewIn2Sec = token4;
LOG.info("token="+token4+" should be renewed for 2 secs");
String nn4 = DelegationTokenRenewal.SCHEME + "://host4:0";
ts.addToken(new Text(nn4), token4);
@ -287,24 +306,23 @@ public void testDTRenewal () throws IOException, URISyntaxException {
JobID jid2 = new JobID("job2",1);
DelegationTokenRenewal.registerDelegationTokensForRenewal(jid2, ts, conf);
DelegationTokenRenewal.removeDelegationTokenRenewalForJob(jid2);
numberOfExpectedRenewals = dfs.getCounter(); // number of renewals so far
numberOfExpectedRenewals = Renewer.counter; // number of renewals so far
try {
Thread.sleep(6*1000); // sleep 6 seconds, so it has time to renew
} catch (InterruptedException e) {}
System.out.println("Counter = " + dfs.getCounter() + ";t="+dfs.getToken());
System.out.println("Counter = " + Renewer.counter + ";t="+
Renewer.lastRenewed);
// counter and the token should stil be the old ones
assertEquals("renew wasn't called as many times as expected",
numberOfExpectedRenewals, dfs.getCounter());
numberOfExpectedRenewals, Renewer.counter);
// also renewing of the cancelled token should fail
boolean exception=false;
try {
dfs.renewDelegationToken(token4);
token4.renew(conf);
fail("Renew of canceled token didn't fail");
} catch (InvalidToken ite) {
//expected
exception = true;
}
assertTrue("Renew of canceled token didn't fail", exception);
}
}
}