content: /*
   * 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.celeborn.util;
  
  import java.util.Map;
  
  import org.apache.hadoop.mapred.JobConf;
  
  import org.apache.celeborn.common.CelebornConf;
  
  public class HadoopUtils {
    public static final String MR_PREFIX = "mapreduce.";
    public static final String MR_CELEBORN_CONF = "celeborn.xml";
    public static final String MR_CELEBORN_LM_HOST = "celeborn.lifecycleManager.host";
    public static final String MR_CELEBORN_LM_PORT = "celeborn.lifecycleManager.port";
    public static final String MR_CELEBORN_APPLICATION_ID = "celeborn.applicationId";
  
    public static CelebornConf fromYarnConf(JobConf conf) {
      CelebornConf tmpCelebornConf = new CelebornConf();
      for (Map.Entry<String, String> property : conf) {
        String proName = property.getKey();
        String proValue = property.getValue();
        if (proName.startsWith(MR_PREFIX + "celeborn")) {
          tmpCelebornConf.set(proName.substring(MR_PREFIX.length()), proValue);
        }
      }
      return tmpCelebornConf;
    }
  }
  