HDFS-9049. Make Datanode Netty reverse proxy port to be configurable. Contributed by Vinayakumar B.

This commit is contained in:
Vinayakumar B 2018-01-17 14:16:48 +05:30
parent 268ab4e027
commit 09efdfe9e1
3 changed files with 15 additions and 1 deletions

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@ -650,6 +650,8 @@ public class DFSConfigKeys extends CommonConfigurationKeys {
public static final String DFS_DATANODE_HTTP_ADDRESS_KEY = "dfs.datanode.http.address"; public static final String DFS_DATANODE_HTTP_ADDRESS_KEY = "dfs.datanode.http.address";
public static final int DFS_DATANODE_HTTP_DEFAULT_PORT = 9864; public static final int DFS_DATANODE_HTTP_DEFAULT_PORT = 9864;
public static final String DFS_DATANODE_HTTP_ADDRESS_DEFAULT = "0.0.0.0:" + DFS_DATANODE_HTTP_DEFAULT_PORT; public static final String DFS_DATANODE_HTTP_ADDRESS_DEFAULT = "0.0.0.0:" + DFS_DATANODE_HTTP_DEFAULT_PORT;
public static final String DFS_DATANODE_HTTP_INTERNAL_PROXY_PORT =
"dfs.datanode.http.internal-proxy.port";
public static final String DFS_DATANODE_MAX_RECEIVER_THREADS_KEY = public static final String DFS_DATANODE_MAX_RECEIVER_THREADS_KEY =
HdfsClientConfigKeys.DeprecatedKeys.DFS_DATANODE_MAX_RECEIVER_THREADS_KEY; HdfsClientConfigKeys.DeprecatedKeys.DFS_DATANODE_MAX_RECEIVER_THREADS_KEY;
public static final int DFS_DATANODE_MAX_RECEIVER_THREADS_DEFAULT = 4096; public static final int DFS_DATANODE_MAX_RECEIVER_THREADS_DEFAULT = 4096;

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@ -72,6 +72,7 @@
import static org.apache.hadoop.hdfs.DFSConfigKeys.DFS_DATANODE_HTTPS_ADDRESS_DEFAULT; import static org.apache.hadoop.hdfs.DFSConfigKeys.DFS_DATANODE_HTTPS_ADDRESS_DEFAULT;
import static org.apache.hadoop.hdfs.DFSConfigKeys.DFS_DATANODE_HTTPS_ADDRESS_KEY; import static org.apache.hadoop.hdfs.DFSConfigKeys.DFS_DATANODE_HTTPS_ADDRESS_KEY;
import static org.apache.hadoop.hdfs.DFSConfigKeys.DFS_DATANODE_HTTP_ADDRESS_KEY; import static org.apache.hadoop.hdfs.DFSConfigKeys.DFS_DATANODE_HTTP_ADDRESS_KEY;
import static org.apache.hadoop.hdfs.DFSConfigKeys.DFS_DATANODE_HTTP_INTERNAL_PROXY_PORT;
public class DatanodeHttpServer implements Closeable { public class DatanodeHttpServer implements Closeable {
private final HttpServer2 infoServer; private final HttpServer2 infoServer;
@ -97,12 +98,14 @@ public DatanodeHttpServer(final Configuration conf,
Configuration confForInfoServer = new Configuration(conf); Configuration confForInfoServer = new Configuration(conf);
confForInfoServer.setInt(HttpServer2.HTTP_MAX_THREADS_KEY, 10); confForInfoServer.setInt(HttpServer2.HTTP_MAX_THREADS_KEY, 10);
int proxyPort =
confForInfoServer.getInt(DFS_DATANODE_HTTP_INTERNAL_PROXY_PORT, 0);
HttpServer2.Builder builder = new HttpServer2.Builder() HttpServer2.Builder builder = new HttpServer2.Builder()
.setName("datanode") .setName("datanode")
.setConf(confForInfoServer) .setConf(confForInfoServer)
.setACL(new AccessControlList(conf.get(DFS_ADMIN, " "))) .setACL(new AccessControlList(conf.get(DFS_ADMIN, " ")))
.hostName(getHostnameForSpnegoPrincipal(confForInfoServer)) .hostName(getHostnameForSpnegoPrincipal(confForInfoServer))
.addEndpoint(URI.create("http://localhost:0")) .addEndpoint(URI.create("http://localhost:" + proxyPort))
.setFindPort(true); .setFindPort(true);
final boolean xFrameEnabled = conf.getBoolean( final boolean xFrameEnabled = conf.getBoolean(

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@ -145,6 +145,15 @@
</description> </description>
</property> </property>
<property>
<name>dfs.datanode.http.internal-proxy.port</name>
<value>0</value>
<description>
The datanode's internal web proxy port.
By default it selects a random port available in runtime.
</description>
</property>
<property> <property>
<name>dfs.datanode.handler.count</name> <name>dfs.datanode.handler.count</name>
<value>10</value> <value>10</value>