001/* 002 * Licensed to the Apache Software Foundation (ASF) under one 003 * or more contributor license agreements. See the NOTICE file 004 * distributed with this work for additional information 005 * regarding copyright ownership. The ASF licenses this file 006 * to you under the Apache License, Version 2.0 (the 007 * "License"); you may not use this file except in compliance 008 * with the License. You may obtain a copy of the License at 009 * 010 * http://www.apache.org/licenses/LICENSE-2.0 011 * 012 * Unless required by applicable law or agreed to in writing, 013 * software distributed under the License is distributed on an 014 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY 015 * KIND, either express or implied. See the License for the 016 * specific language governing permissions and limitations 017 * under the License. 018 */ 019package org.apache.reef.runtime.yarn.driver; 020 021import org.apache.reef.webserver.NoOpHttpServerImpl; 022import org.apache.reef.webserver.HttpServer; 023 024import javax.inject.Inject; 025import java.net.InetAddress; 026import java.net.UnknownHostException; 027import java.util.logging.Level; 028import java.util.logging.Logger; 029 030/** 031 * Http TrackingURLProvider. 032 */ 033public final class HttpTrackingURLProvider implements TrackingURLProvider { 034 /** 035 * Standard Java logger. 036 */ 037 private static final Logger LOG = Logger.getLogger(HttpTrackingURLProvider.class.getName()); 038 039 /** 040 * HttpServer. 041 */ 042 private final HttpServer httpServer; 043 044 /** 045 * Constructor of HttpTrackingURLProvider. 046 * 047 * @param httpServer 048 */ 049 @Inject 050 public HttpTrackingURLProvider(final HttpServer httpServer) { 051 this.httpServer = httpServer instanceof NoOpHttpServerImpl ? null : httpServer; 052 } 053 054 /** 055 * get tracking URI. 056 * 057 * @return 058 */ 059 @Override 060 public String getTrackingUrl() { 061 if (this.httpServer == null) { 062 return ""; 063 } 064 065 try { 066 return InetAddress.getLocalHost().getHostAddress() + ":" + httpServer.getPort(); 067 } catch (final UnknownHostException e) { 068 LOG.log(Level.WARNING, "Cannot get host address.", e); 069 throw new RuntimeException("Cannot get host address.", e); 070 } 071 } 072}