| /** |
| * 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.nfs.nfs3; |
| |
| import java.io.IOException; |
| import java.net.InetSocketAddress; |
| import java.net.URI; |
| |
| import org.apache.hadoop.conf.Configuration; |
| import org.apache.hadoop.hdfs.DFSUtil; |
| import org.apache.hadoop.hdfs.nfs.conf.NfsConfigKeys; |
| import org.apache.hadoop.hdfs.nfs.conf.NfsConfiguration; |
| import org.apache.hadoop.hdfs.server.common.JspHelper; |
| import org.apache.hadoop.http.HttpConfig; |
| import org.apache.hadoop.http.HttpServer2; |
| import org.apache.hadoop.net.NetUtils; |
| |
| /** |
| * Encapsulates the HTTP server started by the NFS3 gateway. |
| */ |
| class Nfs3HttpServer { |
| private int infoPort; |
| private int infoSecurePort; |
| |
| private HttpServer2 httpServer; |
| |
| private final NfsConfiguration conf; |
| |
| Nfs3HttpServer(NfsConfiguration conf) { |
| this.conf = conf; |
| } |
| |
| void start() throws IOException { |
| final InetSocketAddress httpAddr = getHttpAddress(conf); |
| |
| final String httpsAddrString = conf.get( |
| NfsConfigKeys.NFS_HTTPS_ADDRESS_KEY, |
| NfsConfigKeys.NFS_HTTPS_ADDRESS_DEFAULT); |
| InetSocketAddress httpsAddr = NetUtils.createSocketAddr(httpsAddrString); |
| |
| HttpServer2.Builder builder = DFSUtil.httpServerTemplateForNNAndJN(conf, |
| httpAddr, httpsAddr, "nfs3", |
| NfsConfigKeys.DFS_NFS_KERBEROS_PRINCIPAL_KEY, |
| NfsConfigKeys.DFS_NFS_KEYTAB_FILE_KEY); |
| |
| this.httpServer = builder.build(); |
| this.httpServer.start(); |
| |
| HttpConfig.Policy policy = DFSUtil.getHttpPolicy(conf); |
| int connIdx = 0; |
| if (policy.isHttpEnabled()) { |
| infoPort = httpServer.getConnectorAddress(connIdx++).getPort(); |
| } |
| |
| if (policy.isHttpsEnabled()) { |
| infoSecurePort = httpServer.getConnectorAddress(connIdx).getPort(); |
| } |
| } |
| |
| void stop() throws IOException { |
| if (httpServer != null) { |
| try { |
| httpServer.stop(); |
| } catch (Exception e) { |
| throw new IOException(e); |
| } |
| } |
| } |
| |
| public int getPort() { |
| return this.infoPort; |
| } |
| |
| public int getSecurePort() { |
| return this.infoSecurePort; |
| } |
| |
| /** |
| * Return the URI that locates the HTTP server. |
| */ |
| public URI getServerURI() { |
| // getHttpClientScheme() only returns https for HTTPS_ONLY policy. This |
| // matches the behavior that the first connector is a HTTPS connector only |
| // for HTTPS_ONLY policy. |
| InetSocketAddress addr = httpServer.getConnectorAddress(0); |
| return URI.create(DFSUtil.getHttpClientScheme(conf) + "://" |
| + NetUtils.getHostPortString(addr)); |
| } |
| |
| public InetSocketAddress getHttpAddress(Configuration conf) { |
| String addr = conf.get(NfsConfigKeys.NFS_HTTP_ADDRESS_KEY, |
| NfsConfigKeys.NFS_HTTP_ADDRESS_DEFAULT); |
| return NetUtils.createSocketAddr(addr, NfsConfigKeys.NFS_HTTP_PORT_DEFAULT, |
| NfsConfigKeys.NFS_HTTP_ADDRESS_KEY); |
| } |
| } |