org.apache.drill.yarn.client.PrintConfigCommand.java Source code

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Here is the source code for org.apache.drill.yarn.client.PrintConfigCommand.java

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/*
 * 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.drill.yarn.client;

import java.io.IOException;
import java.io.OutputStreamWriter;

import org.apache.drill.yarn.core.DrillOnYarnConfig;
import org.apache.hadoop.yarn.conf.YarnConfiguration;

public class PrintConfigCommand extends ClientCommand {
    @Override
    public void run() {
        // Dump configuration if requested for diagnostic use.

        System.out.println("----------------------------------------------");
        System.out.println("Effective Drill-on-YARN Configuration");
        DrillOnYarnConfig.instance().dump();
        System.out.println("----------------------------------------------");

        // Dump YARN configuration.

        System.out.println("YARN, DFS and Hadoop Configuration");
        YarnConfiguration conf = new YarnConfiguration();
        try {
            YarnConfiguration.dumpConfiguration(conf, new OutputStreamWriter(System.out));
            System.out.println();
        } catch (IOException e) {
            // Ignore;
        }
        System.out.println("----------------------------------------------");
    }
}