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HDFS-2338. Add configuration option to enable/disable webhdfs. Contributed by jitendra 

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1171379 13f79535-47bb-0310-9956-ffa450edef68
This commit is contained in:
Tsz-wo Sze 2011-09-16 04:01:51 +00:00
parent d9ba4670ed
commit cde0e484e7
4 changed files with 20 additions and 10 deletions
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3
hadoop-hdfs-project/hadoop-hdfs/CHANGES.txt
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@ -10,6 +10,9 @@ Trunk (unreleased changes)
HDFS-2317. Support read access to HDFS in webhdfs. (szetszwo)
HDFS-2338. Add configuration option to enable/disable webhdfs.
(jitendra via szetszwo)
IMPROVEMENTS
HADOOP-7524 Change RPC to allow multiple protocols including multuple versions of the same protocol (sanjay Radia)

2
hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/DFSConfigKeys.java
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@ -101,6 +101,8 @@ public class DFSConfigKeys extends CommonConfigurationKeys {
public static final int DFS_NAMENODE_REPLICATION_PENDING_TIMEOUT_SEC_DEFAULT = -1;
public static final String DFS_NAMENODE_REPLICATION_MAX_STREAMS_KEY = "dfs.namenode.replication.max-streams";
public static final int DFS_NAMENODE_REPLICATION_MAX_STREAMS_DEFAULT = 2;
public static final String DFS_WEBHDFS_ENABLED_KEY = "dfs.webhdfs.enabled";
public static final boolean DFS_WEBHDFS_ENABLED_DEFAULT = false;
public static final String DFS_PERMISSIONS_ENABLED_KEY = "dfs.permissions.enabled";
public static final boolean DFS_PERMISSIONS_ENABLED_DEFAULT = true;
public static final String DFS_PERMISSIONS_SUPERUSERGROUP_KEY = "dfs.permissions.superusergroup";

11
hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/datanode/DataNode.java
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@ -62,6 +62,8 @@ import static org.apache.hadoop.hdfs.DFSConfigKeys.DFS_DATANODE_USER_NAME_KEY;
import static org.apache.hadoop.hdfs.DFSConfigKeys.DFS_FEDERATION_NAMESERVICES;
import static org.apache.hadoop.hdfs.DFSConfigKeys.DFS_HEARTBEAT_INTERVAL_DEFAULT;
import static org.apache.hadoop.hdfs.DFSConfigKeys.DFS_HEARTBEAT_INTERVAL_KEY;
import static org.apache.hadoop.hdfs.DFSConfigKeys.DFS_WEBHDFS_ENABLED_KEY;
import static org.apache.hadoop.hdfs.DFSConfigKeys.DFS_WEBHDFS_ENABLED_DEFAULT;
import static org.apache.hadoop.hdfs.server.common.Util.now;
import java.io.BufferedOutputStream;
@ -549,10 +551,11 @@ public class DataNode extends Configured
this.infoServer.addServlet(null, "/blockScannerReport",
DataBlockScanner.Servlet.class);
infoServer.addJerseyResourcePackage(
DatanodeWebHdfsMethods.class.getPackage().getName()
+ ";" + Param.class.getPackage().getName(),
"/" + WebHdfsFileSystem.PATH_PREFIX + "/*");
if (conf.getBoolean(DFS_WEBHDFS_ENABLED_KEY, DFS_WEBHDFS_ENABLED_DEFAULT)) {
infoServer.addJerseyResourcePackage(DatanodeWebHdfsMethods.class
.getPackage().getName() + ";" + Param.class.getPackage().getName(),
"/" + WebHdfsFileSystem.PATH_PREFIX + "/*");
}
this.infoServer.start();
}

14
hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/namenode/NameNodeHttpServer.java
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@ -128,7 +128,7 @@ public class NameNodeHttpServer {
nn.getNameNodeAddress());
httpServer.setAttribute(FSIMAGE_ATTRIBUTE_KEY, nn.getFSImage());
httpServer.setAttribute(JspHelper.CURRENT_CONF, conf);
setupServlets(httpServer);
setupServlets(httpServer, conf);
httpServer.start();
// The web-server port can be ephemeral... ensure we have the correct
@ -159,7 +159,7 @@ public class NameNodeHttpServer {
return httpAddress;
}
private static void setupServlets(HttpServer httpServer) {
private static void setupServlets(HttpServer httpServer, Configuration conf) {
httpServer.addInternalServlet("getDelegationToken",
GetDelegationTokenServlet.PATH_SPEC,
GetDelegationTokenServlet.class, true);
@ -182,10 +182,12 @@ public class NameNodeHttpServer {
httpServer.addInternalServlet("contentSummary", "/contentSummary/*",
ContentSummaryServlet.class, false);
httpServer.addJerseyResourcePackage(
NamenodeWebHdfsMethods.class.getPackage().getName()
+ ";" + Param.class.getPackage().getName(),
"/" + WebHdfsFileSystem.PATH_PREFIX + "/*");
if (conf.getBoolean(DFSConfigKeys.DFS_WEBHDFS_ENABLED_KEY,
DFSConfigKeys.DFS_WEBHDFS_ENABLED_DEFAULT)) {
httpServer.addJerseyResourcePackage(NamenodeWebHdfsMethods.class
.getPackage().getName() + ";" + Param.class.getPackage().getName(),
"/" + WebHdfsFileSystem.PATH_PREFIX + "/*");
}
}
public static FSImage getFsImageFromContext(ServletContext context) {