| /** |
| * 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.yarn.service.client; |
| |
| import org.apache.hadoop.conf.Configuration; |
| import org.apache.hadoop.fs.CommonConfigurationKeysPublic; |
| import org.apache.hadoop.io.retry.RetryPolicy; |
| import org.apache.hadoop.security.UserGroupInformation; |
| import org.apache.hadoop.yarn.client.ServerProxy; |
| import org.apache.hadoop.yarn.ipc.YarnRPC; |
| import org.apache.hadoop.yarn.service.conf.YarnServiceConf; |
| |
| import java.net.InetSocketAddress; |
| |
| import static org.apache.hadoop.io.retry.RetryPolicies.TRY_ONCE_THEN_FAIL; |
| |
| public class ClientAMProxy extends ServerProxy{ |
| |
| public static <T> T createProxy(final Configuration conf, |
| final Class<T> protocol, final UserGroupInformation ugi, |
| final YarnRPC rpc, final InetSocketAddress serverAddress) { |
| Configuration confClone = new Configuration(conf); |
| confClone.setInt( |
| CommonConfigurationKeysPublic.IPC_CLIENT_CONNECT_MAX_RETRIES_KEY, 0); |
| confClone.setInt(CommonConfigurationKeysPublic. |
| IPC_CLIENT_CONNECT_MAX_RETRIES_ON_SOCKET_TIMEOUTS_KEY, 0); |
| RetryPolicy retryPolicy; |
| |
| if (conf.getLong(YarnServiceConf.CLIENT_AM_RETRY_MAX_WAIT_MS, 0) == 0) { |
| // by default no retry |
| retryPolicy = TRY_ONCE_THEN_FAIL; |
| } else { |
| retryPolicy = |
| createRetryPolicy(conf, YarnServiceConf.CLIENT_AM_RETRY_MAX_WAIT_MS, |
| YarnServiceConf.DEFAULT_CLIENT_AM_RETRY_MAX_WAIT_MS, |
| YarnServiceConf.CLIENT_AM_RETRY_MAX_INTERVAL_MS, |
| YarnServiceConf.DEFAULT_CLIENT_AM_RETRY_MAX_INTERVAL_MS); |
| } |
| return createRetriableProxy(confClone, protocol, ugi, rpc, serverAddress, |
| retryPolicy); |
| } |
| } |
