HDFS-6100. DataNodeWebHdfsMethods does not failover in HA mode. Contributed by Haohui Mai.

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1579301 13f79535-47bb-0310-9956-ffa450edef68
This commit is contained in:
Jing Zhao 2014-03-19 17:29:23 +00:00
parent fd1c424548
commit 7817245d88
9 changed files with 185 additions and 193 deletions

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@ -649,6 +649,9 @@ Release 2.4.0 - UNRELEASED
HDFS-6099. HDFS file system limits not enforced on renames. (cnauroth)
HDFS-6100. DataNodeWebHdfsMethods does not failover in HA mode. (Haohui Mai
via jing9)
BREAKDOWN OF HDFS-5698 SUBTASKS AND RELATED JIRAS
HDFS-5717. Save FSImage header in protobuf. (Haohui Mai via jing9)

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@ -19,13 +19,13 @@ package org.apache.hadoop.hdfs.server.datanode.web.resources;
import java.io.IOException;
import java.io.InputStream;
import java.net.InetSocketAddress;
import java.net.URI;
import java.net.URISyntaxException;
import java.security.PrivilegedExceptionAction;
import java.util.EnumSet;
import javax.servlet.ServletContext;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.ws.rs.Consumes;
import javax.ws.rs.DefaultValue;
@ -40,6 +40,7 @@ import javax.ws.rs.core.Context;
import javax.ws.rs.core.MediaType;
import javax.ws.rs.core.Response;
import com.google.common.annotations.VisibleForTesting;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.apache.hadoop.conf.Configuration;
@ -48,12 +49,14 @@ import org.apache.hadoop.fs.FSDataOutputStream;
import org.apache.hadoop.fs.MD5MD5CRC32FileChecksum;
import org.apache.hadoop.fs.permission.FsPermission;
import org.apache.hadoop.hdfs.DFSClient;
import org.apache.hadoop.hdfs.HAUtil;
import org.apache.hadoop.hdfs.client.HdfsDataInputStream;
import org.apache.hadoop.hdfs.protocol.HdfsConstants;
import org.apache.hadoop.hdfs.security.token.delegation.DelegationTokenIdentifier;
import org.apache.hadoop.hdfs.server.datanode.DataNode;
import org.apache.hadoop.hdfs.server.namenode.NameNode;
import org.apache.hadoop.hdfs.web.JsonUtil;
import org.apache.hadoop.hdfs.web.ParamFilter;
import org.apache.hadoop.hdfs.web.SWebHdfsFileSystem;
import org.apache.hadoop.hdfs.web.WebHdfsFileSystem;
import org.apache.hadoop.hdfs.web.resources.BlockSizeParam;
import org.apache.hadoop.hdfs.web.resources.BufferSizeParam;
@ -61,7 +64,7 @@ import org.apache.hadoop.hdfs.web.resources.DelegationParam;
import org.apache.hadoop.hdfs.web.resources.GetOpParam;
import org.apache.hadoop.hdfs.web.resources.HttpOpParam;
import org.apache.hadoop.hdfs.web.resources.LengthParam;
import org.apache.hadoop.hdfs.web.resources.NamenodeRpcAddressParam;
import org.apache.hadoop.hdfs.web.resources.NamenodeAddressParam;
import org.apache.hadoop.hdfs.web.resources.OffsetParam;
import org.apache.hadoop.hdfs.web.resources.OverwriteParam;
import org.apache.hadoop.hdfs.web.resources.Param;
@ -71,6 +74,7 @@ import org.apache.hadoop.hdfs.web.resources.PutOpParam;
import org.apache.hadoop.hdfs.web.resources.ReplicationParam;
import org.apache.hadoop.hdfs.web.resources.UriFsPathParam;
import org.apache.hadoop.io.IOUtils;
import org.apache.hadoop.io.Text;
import org.apache.hadoop.security.SecurityUtil;
import org.apache.hadoop.security.UserGroupInformation;
import org.apache.hadoop.security.token.Token;
@ -86,18 +90,19 @@ public class DatanodeWebHdfsMethods {
private static final UriFsPathParam ROOT = new UriFsPathParam("");
private @Context ServletContext context;
private @Context HttpServletRequest request;
private @Context HttpServletResponse response;
private void init(final UserGroupInformation ugi,
final DelegationParam delegation, final InetSocketAddress nnRpcAddr,
final DelegationParam delegation, final String nnId,
final UriFsPathParam path, final HttpOpParam<?> op,
final Param<?, ?>... parameters) throws IOException {
if (LOG.isTraceEnabled()) {
LOG.trace("HTTP " + op.getValue().getType() + ": " + op + ", " + path
+ ", ugi=" + ugi + Param.toSortedString(", ", parameters));
}
if (nnRpcAddr == null) {
throw new IllegalArgumentException(NamenodeRpcAddressParam.NAME
if (nnId == null) {
throw new IllegalArgumentException(NamenodeAddressParam.NAME
+ " is not specified.");
}
@ -106,15 +111,32 @@ public class DatanodeWebHdfsMethods {
if (UserGroupInformation.isSecurityEnabled()) {
//add a token for RPC.
final Token<DelegationTokenIdentifier> token =
new Token<DelegationTokenIdentifier>();
token.decodeFromUrlString(delegation.getValue());
SecurityUtil.setTokenService(token, nnRpcAddr);
token.setKind(DelegationTokenIdentifier.HDFS_DELEGATION_KIND);
final Token<DelegationTokenIdentifier> token = deserializeToken
(delegation.getValue(), nnId);
ugi.addToken(token);
}
}
@VisibleForTesting
Token<DelegationTokenIdentifier> deserializeToken
(String delegation,String nnId) throws IOException {
final DataNode datanode = (DataNode) context.getAttribute("datanode");
final Configuration conf = datanode.getConf();
final Token<DelegationTokenIdentifier> token = new
Token<DelegationTokenIdentifier>();
token.decodeFromUrlString(delegation);
URI nnUri = URI.create(HdfsConstants.HDFS_URI_SCHEME +
"://" + nnId);
boolean isHA = HAUtil.isLogicalUri(conf, nnUri);
if (isHA) {
token.setService(HAUtil.buildTokenServiceForLogicalUri(nnUri));
} else {
token.setService(SecurityUtil.buildTokenService(nnUri));
}
token.setKind(DelegationTokenIdentifier.HDFS_DELEGATION_KIND);
return token;
}
/** Handle HTTP PUT request for the root. */
@PUT
@Path("/")
@ -125,9 +147,9 @@ public class DatanodeWebHdfsMethods {
@Context final UserGroupInformation ugi,
@QueryParam(DelegationParam.NAME) @DefaultValue(DelegationParam.DEFAULT)
final DelegationParam delegation,
@QueryParam(NamenodeRpcAddressParam.NAME)
@DefaultValue(NamenodeRpcAddressParam.DEFAULT)
final NamenodeRpcAddressParam namenodeRpcAddress,
@QueryParam(NamenodeAddressParam.NAME)
@DefaultValue(NamenodeAddressParam.DEFAULT)
final NamenodeAddressParam namenode,
@QueryParam(PutOpParam.NAME) @DefaultValue(PutOpParam.DEFAULT)
final PutOpParam op,
@QueryParam(PermissionParam.NAME) @DefaultValue(PermissionParam.DEFAULT)
@ -141,8 +163,8 @@ public class DatanodeWebHdfsMethods {
@QueryParam(BlockSizeParam.NAME) @DefaultValue(BlockSizeParam.DEFAULT)
final BlockSizeParam blockSize
) throws IOException, InterruptedException {
return put(in, ugi, delegation, namenodeRpcAddress, ROOT, op, permission,
overwrite, bufferSize, replication, blockSize);
return put(in, ugi, delegation, namenode, ROOT, op, permission,
overwrite, bufferSize, replication, blockSize);
}
/** Handle HTTP PUT request. */
@ -155,9 +177,9 @@ public class DatanodeWebHdfsMethods {
@Context final UserGroupInformation ugi,
@QueryParam(DelegationParam.NAME) @DefaultValue(DelegationParam.DEFAULT)
final DelegationParam delegation,
@QueryParam(NamenodeRpcAddressParam.NAME)
@DefaultValue(NamenodeRpcAddressParam.DEFAULT)
final NamenodeRpcAddressParam namenodeRpcAddress,
@QueryParam(NamenodeAddressParam.NAME)
@DefaultValue(NamenodeAddressParam.DEFAULT)
final NamenodeAddressParam namenode,
@PathParam(UriFsPathParam.NAME) final UriFsPathParam path,
@QueryParam(PutOpParam.NAME) @DefaultValue(PutOpParam.DEFAULT)
final PutOpParam op,
@ -173,24 +195,22 @@ public class DatanodeWebHdfsMethods {
final BlockSizeParam blockSize
) throws IOException, InterruptedException {
final InetSocketAddress nnRpcAddr = namenodeRpcAddress.getValue();
init(ugi, delegation, nnRpcAddr, path, op, permission,
final String nnId = namenode.getValue();
init(ugi, delegation, nnId, path, op, permission,
overwrite, bufferSize, replication, blockSize);
return ugi.doAs(new PrivilegedExceptionAction<Response>() {
@Override
public Response run() throws IOException, URISyntaxException {
return put(in, ugi, delegation, nnRpcAddr, path.getAbsolutePath(), op,
permission, overwrite, bufferSize, replication, blockSize);
return put(in, nnId, path.getAbsolutePath(), op,
permission, overwrite, bufferSize, replication, blockSize);
}
});
}
private Response put(
final InputStream in,
final UserGroupInformation ugi,
final DelegationParam delegation,
final InetSocketAddress nnRpcAddr,
final String nnId,
final String fullpath,
final PutOpParam op,
final PermissionParam permission,
@ -208,7 +228,7 @@ public class DatanodeWebHdfsMethods {
conf.set(FsPermission.UMASK_LABEL, "000");
final int b = bufferSize.getValue(conf);
DFSClient dfsclient = new DFSClient(nnRpcAddr, conf);
DFSClient dfsclient = newDfsClient(nnId, conf);
FSDataOutputStream out = null;
try {
out = new FSDataOutputStream(dfsclient.create(
@ -225,9 +245,10 @@ public class DatanodeWebHdfsMethods {
IOUtils.cleanup(LOG, out);
IOUtils.cleanup(LOG, dfsclient);
}
final InetSocketAddress nnHttpAddr = NameNode.getHttpAddress(conf);
final URI uri = new URI(WebHdfsFileSystem.SCHEME, null,
nnHttpAddr.getHostName(), nnHttpAddr.getPort(), fullpath, null, null);
final String scheme = "http".equals(request.getScheme()) ?
WebHdfsFileSystem.SCHEME : SWebHdfsFileSystem.SCHEME;
final URI uri = URI.create(String.format("%s://%s/%s", scheme,
nnId, fullpath));
return Response.created(uri).type(MediaType.APPLICATION_OCTET_STREAM).build();
}
default:
@ -245,15 +266,15 @@ public class DatanodeWebHdfsMethods {
@Context final UserGroupInformation ugi,
@QueryParam(DelegationParam.NAME) @DefaultValue(DelegationParam.DEFAULT)
final DelegationParam delegation,
@QueryParam(NamenodeRpcAddressParam.NAME)
@DefaultValue(NamenodeRpcAddressParam.DEFAULT)
final NamenodeRpcAddressParam namenodeRpcAddress,
@QueryParam(NamenodeAddressParam.NAME)
@DefaultValue(NamenodeAddressParam.DEFAULT)
final NamenodeAddressParam namenode,
@QueryParam(PostOpParam.NAME) @DefaultValue(PostOpParam.DEFAULT)
final PostOpParam op,
@QueryParam(BufferSizeParam.NAME) @DefaultValue(BufferSizeParam.DEFAULT)
final BufferSizeParam bufferSize
) throws IOException, InterruptedException {
return post(in, ugi, delegation, namenodeRpcAddress, ROOT, op, bufferSize);
return post(in, ugi, delegation, namenode, ROOT, op, bufferSize);
}
/** Handle HTTP POST request. */
@ -266,9 +287,9 @@ public class DatanodeWebHdfsMethods {
@Context final UserGroupInformation ugi,
@QueryParam(DelegationParam.NAME) @DefaultValue(DelegationParam.DEFAULT)
final DelegationParam delegation,
@QueryParam(NamenodeRpcAddressParam.NAME)
@DefaultValue(NamenodeRpcAddressParam.DEFAULT)
final NamenodeRpcAddressParam namenodeRpcAddress,
@QueryParam(NamenodeAddressParam.NAME)
@DefaultValue(NamenodeAddressParam.DEFAULT)
final NamenodeAddressParam namenode,
@PathParam(UriFsPathParam.NAME) final UriFsPathParam path,
@QueryParam(PostOpParam.NAME) @DefaultValue(PostOpParam.DEFAULT)
final PostOpParam op,
@ -276,23 +297,21 @@ public class DatanodeWebHdfsMethods {
final BufferSizeParam bufferSize
) throws IOException, InterruptedException {
final InetSocketAddress nnRpcAddr = namenodeRpcAddress.getValue();
init(ugi, delegation, nnRpcAddr, path, op, bufferSize);
final String nnId = namenode.getValue();
init(ugi, delegation, nnId, path, op, bufferSize);
return ugi.doAs(new PrivilegedExceptionAction<Response>() {
@Override
public Response run() throws IOException {
return post(in, ugi, delegation, nnRpcAddr, path.getAbsolutePath(), op,
bufferSize);
return post(in, nnId, path.getAbsolutePath(), op,
bufferSize);
}
});
}
private Response post(
final InputStream in,
final UserGroupInformation ugi,
final DelegationParam delegation,
final InetSocketAddress nnRpcAddr,
final String nnId,
final String fullpath,
final PostOpParam op,
final BufferSizeParam bufferSize
@ -304,7 +323,7 @@ public class DatanodeWebHdfsMethods {
{
final Configuration conf = new Configuration(datanode.getConf());
final int b = bufferSize.getValue(conf);
DFSClient dfsclient = new DFSClient(nnRpcAddr, conf);
DFSClient dfsclient = newDfsClient(nnId, conf);
FSDataOutputStream out = null;
try {
out = dfsclient.append(fullpath, b, null, null);
@ -332,9 +351,9 @@ public class DatanodeWebHdfsMethods {
@Context final UserGroupInformation ugi,
@QueryParam(DelegationParam.NAME) @DefaultValue(DelegationParam.DEFAULT)
final DelegationParam delegation,
@QueryParam(NamenodeRpcAddressParam.NAME)
@DefaultValue(NamenodeRpcAddressParam.DEFAULT)
final NamenodeRpcAddressParam namenodeRpcAddress,
@QueryParam(NamenodeAddressParam.NAME)
@DefaultValue(NamenodeAddressParam.DEFAULT)
final NamenodeAddressParam namenode,
@QueryParam(GetOpParam.NAME) @DefaultValue(GetOpParam.DEFAULT)
final GetOpParam op,
@QueryParam(OffsetParam.NAME) @DefaultValue(OffsetParam.DEFAULT)
@ -344,7 +363,7 @@ public class DatanodeWebHdfsMethods {
@QueryParam(BufferSizeParam.NAME) @DefaultValue(BufferSizeParam.DEFAULT)
final BufferSizeParam bufferSize
) throws IOException, InterruptedException {
return get(ugi, delegation, namenodeRpcAddress, ROOT, op, offset, length,
return get(ugi, delegation, namenode, ROOT, op, offset, length,
bufferSize);
}
@ -356,9 +375,9 @@ public class DatanodeWebHdfsMethods {
@Context final UserGroupInformation ugi,
@QueryParam(DelegationParam.NAME) @DefaultValue(DelegationParam.DEFAULT)
final DelegationParam delegation,
@QueryParam(NamenodeRpcAddressParam.NAME)
@DefaultValue(NamenodeRpcAddressParam.DEFAULT)
final NamenodeRpcAddressParam namenodeRpcAddress,
@QueryParam(NamenodeAddressParam.NAME)
@DefaultValue(NamenodeAddressParam.DEFAULT)
final NamenodeAddressParam namenode,
@PathParam(UriFsPathParam.NAME) final UriFsPathParam path,
@QueryParam(GetOpParam.NAME) @DefaultValue(GetOpParam.DEFAULT)
final GetOpParam op,
@ -370,22 +389,20 @@ public class DatanodeWebHdfsMethods {
final BufferSizeParam bufferSize
) throws IOException, InterruptedException {
final InetSocketAddress nnRpcAddr = namenodeRpcAddress.getValue();
init(ugi, delegation, nnRpcAddr, path, op, offset, length, bufferSize);
final String nnId = namenode.getValue();
init(ugi, delegation, nnId, path, op, offset, length, bufferSize);
return ugi.doAs(new PrivilegedExceptionAction<Response>() {
@Override
public Response run() throws IOException {
return get(ugi, delegation, nnRpcAddr, path.getAbsolutePath(), op,
offset, length, bufferSize);
return get(nnId, path.getAbsolutePath(), op, offset,
length, bufferSize);
}
});
}
private Response get(
final UserGroupInformation ugi,
final DelegationParam delegation,
final InetSocketAddress nnRpcAddr,
final String nnId,
final String fullpath,
final GetOpParam op,
final OffsetParam offset,
@ -399,7 +416,7 @@ public class DatanodeWebHdfsMethods {
case OPEN:
{
final int b = bufferSize.getValue(conf);
final DFSClient dfsclient = new DFSClient(nnRpcAddr, conf);
final DFSClient dfsclient = newDfsClient(nnId, conf);
HdfsDataInputStream in = null;
try {
in = new HdfsDataInputStream(dfsclient.open(fullpath, b, true));
@ -426,7 +443,7 @@ public class DatanodeWebHdfsMethods {
case GETFILECHECKSUM:
{
MD5MD5CRC32FileChecksum checksum = null;
DFSClient dfsclient = new DFSClient(nnRpcAddr, conf);
DFSClient dfsclient = newDfsClient(nnId, conf);
try {
checksum = dfsclient.getFileChecksum(fullpath);
dfsclient.close();
@ -441,4 +458,10 @@ public class DatanodeWebHdfsMethods {
throw new UnsupportedOperationException(op + " is not supported");
}
}
private static DFSClient newDfsClient(String nnId,
Configuration conf) throws IOException {
URI uri = URI.create(HdfsConstants.HDFS_URI_SCHEME + "://" + nnId);
return new DFSClient(uri, conf);
}
}

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@ -127,7 +127,7 @@ public class NameNode implements NameNodeStatusMXBean {
static{
HdfsConfiguration.init();
}
/**
* Categories of operations supported by the namenode.
*/
@ -270,6 +270,11 @@ public class NameNode implements NameNodeStatusMXBean {
private JvmPauseMonitor pauseMonitor;
private ObjectName nameNodeStatusBeanName;
/**
* The service name of the delegation token issued by the namenode. It is
* the name service id in HA mode, or the rpc address in non-HA mode.
*/
private String tokenServiceName;
/** Format a new filesystem. Destroys any filesystem that may already
* exist at this location. **/
@ -307,6 +312,13 @@ public class NameNode implements NameNodeStatusMXBean {
return startupProgress;
}
/**
* Return the service name of the issued delegation token.
*
* @return The name service id in HA-mode, or the rpc address in non-HA mode
*/
public String getTokenServiceName() { return tokenServiceName; }
public static InetSocketAddress getAddress(String address) {
return NetUtils.createSocketAddr(address, DEFAULT_PORT);
}
@ -500,6 +512,9 @@ public class NameNode implements NameNodeStatusMXBean {
loadNamesystem(conf);
rpcServer = createRpcServer(conf);
final String nsId = getNameServiceId(conf);
tokenServiceName = HAUtil.isHAEnabled(conf, nsId) ? nsId : NetUtils
.getHostPortString(rpcServer.getRpcAddress());
if (NamenodeRole.NAMENODE == role) {
httpServer.setNameNodeAddress(getNameNodeAddress());
httpServer.setFSImage(getFSImage());

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@ -86,7 +86,7 @@ import org.apache.hadoop.hdfs.web.resources.GroupParam;
import org.apache.hadoop.hdfs.web.resources.HttpOpParam;
import org.apache.hadoop.hdfs.web.resources.LengthParam;
import org.apache.hadoop.hdfs.web.resources.ModificationTimeParam;
import org.apache.hadoop.hdfs.web.resources.NamenodeRpcAddressParam;
import org.apache.hadoop.hdfs.web.resources.NamenodeAddressParam;
import org.apache.hadoop.hdfs.web.resources.OffsetParam;
import org.apache.hadoop.hdfs.web.resources.OverwriteParam;
import org.apache.hadoop.hdfs.web.resources.OwnerParam;
@ -275,7 +275,7 @@ public class NamenodeWebHdfsMethods {
delegationQuery = "&" + new DelegationParam(t.encodeToUrlString());
}
final String query = op.toQueryString() + delegationQuery
+ "&" + new NamenodeRpcAddressParam(namenode)
+ "&" + new NamenodeAddressParam(namenode)
+ Param.toSortedString("&", parameters);
final String uripath = WebHdfsFileSystem.PATH_PREFIX + path;

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@ -1,93 +0,0 @@
/**
* 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.hdfs.web.resources;
import java.net.InetSocketAddress;
/** InetSocketAddressParam parameter. */
abstract class InetSocketAddressParam
extends Param<InetSocketAddress, InetSocketAddressParam.Domain> {
InetSocketAddressParam(final Domain domain, final InetSocketAddress value) {
super(domain, value);
}
@Override
public String toString() {
return getName() + "=" + Domain.toString(getValue());
}
/** @return the parameter value as a string */
@Override
public String getValueString() {
return Domain.toString(getValue());
}
/** The domain of the parameter. */
static final class Domain extends Param.Domain<InetSocketAddress> {
Domain(final String paramName) {
super(paramName);
}
@Override
public String getDomain() {
return "<HOST:PORT>";
}
@Override
InetSocketAddress parse(final String str) {
if (str == null) {
throw new IllegalArgumentException("The input string is null: expect "
+ getDomain());
}
final int i = str.indexOf(':');
if (i < 0) {
throw new IllegalArgumentException("Failed to parse \"" + str
+ "\" as " + getDomain() + ": the ':' character not found.");
} else if (i == 0) {
throw new IllegalArgumentException("Failed to parse \"" + str
+ "\" as " + getDomain() + ": HOST is empty.");
} else if (i == str.length() - 1) {
throw new IllegalArgumentException("Failed to parse \"" + str
+ "\" as " + getDomain() + ": PORT is empty.");
}
final String host = str.substring(0, i);
final int port;
try {
port = Integer.parseInt(str.substring(i + 1));
} catch(NumberFormatException e) {
throw new IllegalArgumentException("Failed to parse \"" + str
+ "\" as " + getDomain() + ": the ':' position is " + i
+ " but failed to parse PORT.", e);
}
try {
return new InetSocketAddress(host, port);
} catch(Exception e) {
throw new IllegalArgumentException("Failed to parse \"" + str
+ "\": cannot create InetSocketAddress(host=" + host
+ ", port=" + port + ")", e);
}
}
/** Convert an InetSocketAddress to a HOST:PORT String. */
static String toString(final InetSocketAddress addr) {
return addr.getHostName() + ":" + addr.getPort();
}
}
}

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@ -20,27 +20,27 @@ package org.apache.hadoop.hdfs.web.resources;
import org.apache.hadoop.hdfs.server.namenode.NameNode;
/** Namenode RPC address parameter. */
public class NamenodeRpcAddressParam extends InetSocketAddressParam {
public class NamenodeAddressParam extends StringParam {
/** Parameter name. */
public static final String NAME = "namenoderpcaddress";
/** Default parameter value. */
public static final String DEFAULT = "";
private static final Domain DOMAIN = new Domain(NAME);
private static final Domain DOMAIN = new Domain(NAME, null);
/**
* Constructor.
* @param str a string representation of the parameter value.
*/
public NamenodeRpcAddressParam(final String str) {
public NamenodeAddressParam(final String str) {
super(DOMAIN, str == null || str.equals(DEFAULT)? null: DOMAIN.parse(str));
}
/**
* Construct an object using the RPC address of the given namenode.
*/
public NamenodeRpcAddressParam(final NameNode namenode) {
super(DOMAIN, namenode.getNameNodeAddress());
public NamenodeAddressParam(final NameNode namenode) {
super(DOMAIN, namenode.getTokenServiceName());
}
@Override

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@ -53,8 +53,11 @@ import org.apache.hadoop.hdfs.server.datanode.TestTransferRbw;
import org.apache.hadoop.hdfs.server.datanode.fsdataset.FsDatasetSpi;
import org.apache.hadoop.hdfs.server.namenode.FSNamesystem;
import org.apache.hadoop.hdfs.server.namenode.NameNode;
import org.apache.hadoop.hdfs.server.namenode.ha
.ConfiguredFailoverProxyProvider;
import org.apache.hadoop.hdfs.server.protocol.DatanodeRegistration;
import org.apache.hadoop.hdfs.server.protocol.DatanodeStorage;
import org.apache.hadoop.hdfs.web.TestWebHDFSForHA;
import org.apache.hadoop.io.IOUtils;
import org.apache.hadoop.io.nativeio.NativeIO;
import org.apache.hadoop.net.NetUtils;
@ -136,7 +139,22 @@ public class DFSTestUtil {
NameNode.format(conf);
}
/**
* Create a new HA-enabled configuration.
*/
public static Configuration newHAConfiguration(final String logicalName) {
Configuration conf = new Configuration();
conf.set(DFSConfigKeys.DFS_NAMESERVICES, logicalName);
conf.set(DFSUtil.addKeySuffixes(DFSConfigKeys.DFS_HA_NAMENODES_KEY_PREFIX,
logicalName), "nn1,nn2");
conf.set(DFSConfigKeys.DFS_CLIENT_FAILOVER_PROXY_PROVIDER_KEY_PREFIX + "" +
"." + logicalName,
ConfiguredFailoverProxyProvider.class.getName());
conf.setInt(DFSConfigKeys.DFS_REPLICATION_KEY, 1);
return conf;
}
/** class MyFile contains enough information to recreate the contents of
* a single file.
*/

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@ -18,23 +18,25 @@
package org.apache.hadoop.hdfs.web;
import java.io.IOException;
import java.net.URI;
import org.apache.hadoop.conf.Configuration;
import org.apache.hadoop.fs.FSDataInputStream;
import org.apache.hadoop.fs.FSDataOutputStream;
import org.apache.hadoop.fs.FileSystem;
import org.apache.hadoop.fs.Path;
import org.apache.hadoop.hdfs.DFSConfigKeys;
import org.apache.hadoop.hdfs.MiniDFSCluster;
import org.apache.hadoop.hdfs.MiniDFSNNTopology;
import org.apache.hadoop.hdfs.*;
import org.apache.hadoop.hdfs.server.namenode.ha.HATestUtil;
import org.apache.hadoop.io.IOUtils;
import org.apache.hadoop.security.token.Token;
import org.junit.Assert;
import org.junit.Test;
/** Test whether WebHDFS can connect to an HA cluster */
import java.io.IOException;
import java.net.URI;
public class TestWebHDFSForHA {
private static final String LOGICAL_NAME = "minidfs";
private static final URI WEBHDFS_URI = URI.create(WebHdfsFileSystem.SCHEME +
"://" + LOGICAL_NAME);
private static final MiniDFSNNTopology topo = new MiniDFSNNTopology()
.addNameservice(new MiniDFSNNTopology.NSConf(LOGICAL_NAME).addNN(
new MiniDFSNNTopology.NNConf("nn1")).addNN(
@ -42,8 +44,7 @@ public class TestWebHDFSForHA {
@Test
public void testHA() throws IOException {
Configuration conf = new Configuration();
conf.setInt(DFSConfigKeys.DFS_REPLICATION_KEY, 1);
Configuration conf = DFSTestUtil.newHAConfiguration(LOGICAL_NAME);
MiniDFSCluster cluster = null;
FileSystem fs = null;
try {
@ -54,8 +55,7 @@ public class TestWebHDFSForHA {
cluster.waitActive();
final String uri = WebHdfsFileSystem.SCHEME + "://" + LOGICAL_NAME;
fs = FileSystem.get(URI.create(uri), conf);
fs = FileSystem.get(WEBHDFS_URI, conf);
cluster.transitionToActive(0);
final Path dir = new Path("/test");
@ -67,9 +67,7 @@ public class TestWebHDFSForHA {
final Path dir2 = new Path("/test2");
Assert.assertTrue(fs.mkdirs(dir2));
} finally {
if (fs != null) {
fs.close();
}
IOUtils.cleanup(null, fs);
if (cluster != null) {
cluster.shutdown();
}
@ -78,10 +76,9 @@ public class TestWebHDFSForHA {
@Test
public void testSecureHA() throws IOException {
Configuration conf = new Configuration();
Configuration conf = DFSTestUtil.newHAConfiguration(LOGICAL_NAME);
conf.setBoolean(DFSConfigKeys.DFS_NAMENODE_DELEGATION_TOKEN_ALWAYS_USE_KEY,
true);
conf.setInt(DFSConfigKeys.DFS_REPLICATION_KEY, 1);
MiniDFSCluster cluster = null;
WebHdfsFileSystem fs = null;
@ -92,8 +89,7 @@ public class TestWebHDFSForHA {
HATestUtil.setFailoverConfigurations(cluster, conf, LOGICAL_NAME);
cluster.waitActive();
final String uri = WebHdfsFileSystem.SCHEME + "://" + LOGICAL_NAME;
fs = (WebHdfsFileSystem) FileSystem.get(URI.create(uri), conf);
fs = (WebHdfsFileSystem) FileSystem.get(WEBHDFS_URI, conf);
cluster.transitionToActive(0);
Token<?> token = fs.getDelegationToken(null);
@ -104,9 +100,44 @@ public class TestWebHDFSForHA {
fs.renewDelegationToken(token);
fs.cancelDelegationToken(token);
} finally {
if (fs != null) {
fs.close();
IOUtils.cleanup(null, fs);
if (cluster != null) {
cluster.shutdown();
}
}
}
@Test
public void testFailoverAfterOpen() throws IOException {
Configuration conf = DFSTestUtil.newHAConfiguration(LOGICAL_NAME);
MiniDFSCluster cluster = null;
FileSystem fs = null;
final Path p = new Path("/test");
final byte[] data = "Hello".getBytes();
try {
cluster = new MiniDFSCluster.Builder(conf).nnTopology(topo)
.numDataNodes(1).build();
HATestUtil.setFailoverConfigurations(cluster, conf, LOGICAL_NAME);
cluster.waitActive();
fs = FileSystem.get(WEBHDFS_URI, conf);
cluster.transitionToActive(1);
FSDataOutputStream out = fs.create(p);
cluster.shutdownNameNode(1);
cluster.transitionToActive(0);
out.write(data);
out.close();
FSDataInputStream in = fs.open(p);
byte[] buf = new byte[data.length];
IOUtils.readFully(in, buf, 0, buf.length);
Assert.assertArrayEquals(data, buf);
} finally {
IOUtils.cleanup(null, fs);
if (cluster != null) {
cluster.shutdown();
}

View File

@ -43,13 +43,8 @@ import org.apache.hadoop.fs.permission.FsPermission;
import org.apache.hadoop.hdfs.AppendTestUtil;
import org.apache.hadoop.hdfs.DFSConfigKeys;
import org.apache.hadoop.hdfs.MiniDFSCluster;
import org.apache.hadoop.hdfs.web.resources.DoAsParam;
import org.apache.hadoop.hdfs.web.resources.GetOpParam;
import org.apache.hadoop.hdfs.web.resources.HttpOpParam;
import org.apache.hadoop.hdfs.web.resources.LengthParam;
import org.apache.hadoop.hdfs.web.resources.NamenodeRpcAddressParam;
import org.apache.hadoop.hdfs.web.resources.OffsetParam;
import org.apache.hadoop.hdfs.web.resources.PutOpParam;
import org.apache.hadoop.hdfs.web.resources.*;
import org.apache.hadoop.hdfs.web.resources.NamenodeAddressParam;
import org.apache.hadoop.io.IOUtils;
import org.apache.hadoop.security.AccessControlException;
import org.apache.hadoop.security.UserGroupInformation;
@ -465,7 +460,7 @@ public class TestWebHdfsFileSystemContract extends FileSystemContractBaseTest {
AppendTestUtil.testAppend(fs, new Path(dir, "append"));
}
{//test NamenodeRpcAddressParam not set.
{//test NamenodeAddressParam not set.
final HttpOpParam.Op op = PutOpParam.Op.CREATE;
final URL url = webhdfs.toUrl(op, dir);
HttpURLConnection conn = (HttpURLConnection) url.openConnection();
@ -476,9 +471,9 @@ public class TestWebHdfsFileSystemContract extends FileSystemContractBaseTest {
final String redirect = conn.getHeaderField("Location");
conn.disconnect();
//remove NamenodeRpcAddressParam
//remove NamenodeAddressParam
WebHdfsFileSystem.LOG.info("redirect = " + redirect);
final int i = redirect.indexOf(NamenodeRpcAddressParam.NAME);
final int i = redirect.indexOf(NamenodeAddressParam.NAME);
final int j = redirect.indexOf("&", i);
String modified = redirect.substring(0, i - 1) + redirect.substring(j);
WebHdfsFileSystem.LOG.info("modified = " + modified);