/
ResourceManagerConnectionFactory.java
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/
ResourceManagerConnectionFactory.java
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/**
* Copyright (c) 2012, Cloudera, Inc. All Rights Reserved.
*
* Cloudera, Inc. 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
*
* This software 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 com.cloudera.kitten.appmaster.service;
import java.net.InetSocketAddress;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.apache.hadoop.conf.Configuration;
import org.apache.hadoop.net.NetUtils;
import org.apache.hadoop.yarn.api.AMRMProtocol;
import org.apache.hadoop.yarn.conf.YarnConfiguration;
import org.apache.hadoop.yarn.ipc.YarnRPC;
import com.cloudera.kitten.MasterConnectionFactory;
public class ResourceManagerConnectionFactory implements
MasterConnectionFactory<AMRMProtocol> {
private static final Log LOG = LogFactory.getLog(ResourceManagerConnectionFactory.class);
private final Configuration conf;
private final YarnRPC rpc;
public ResourceManagerConnectionFactory(Configuration conf) {
this.conf = conf;
this.rpc = YarnRPC.create(conf);
}
@Override
public AMRMProtocol connect() {
YarnConfiguration yarnConf = new YarnConfiguration(conf);
InetSocketAddress rmAddress = NetUtils.createSocketAddr(yarnConf.get(
YarnConfiguration.RM_SCHEDULER_ADDRESS,
YarnConfiguration.DEFAULT_RM_SCHEDULER_ADDRESS));
LOG.info("Connecting to ResourceManager at " + rmAddress);
return ((AMRMProtocol) rpc.getProxy(AMRMProtocol.class, rmAddress, conf));
}
}