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, software
013 * distributed under the License is distributed on an "AS IS" BASIS,
014 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
015 * See the License for the specific language governing permissions and
016 * limitations under the License.
017 */
018
019 package org.apache.hadoop.yarn.client;
020
021 import java.net.InetSocketAddress;
022
023 import org.apache.hadoop.classification.InterfaceAudience.Public;
024 import org.apache.hadoop.classification.InterfaceStability.Unstable;
025 import org.apache.hadoop.conf.Configuration;
026 import org.apache.hadoop.io.retry.RetryPolicy;
027 import org.apache.hadoop.security.UserGroupInformation;
028 import org.apache.hadoop.yarn.conf.YarnConfiguration;
029 import org.apache.hadoop.yarn.ipc.YarnRPC;
030
031 @Public
032 @Unstable
033 public class NMProxy extends ServerProxy {
034
035 public static <T> T createNMProxy(final Configuration conf,
036 final Class<T> protocol, final UserGroupInformation ugi,
037 final YarnRPC rpc, final InetSocketAddress serverAddress) {
038
039 RetryPolicy retryPolicy =
040 createRetryPolicy(conf,
041 YarnConfiguration.CLIENT_NM_CONNECT_MAX_WAIT_MS,
042 YarnConfiguration.DEFAULT_CLIENT_NM_CONNECT_MAX_WAIT_MS,
043 YarnConfiguration.CLIENT_NM_CONNECT_RETRY_INTERVAL_MS,
044 YarnConfiguration.DEFAULT_CLIENT_NM_CONNECT_RETRY_INTERVAL_MS);
045
046 return createRetriableProxy(conf, protocol, ugi, rpc, serverAddress,
047 retryPolicy);
048 }
049 }