io.hops.metadata.util.DistributedRTRMEvaluation.java Source code

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Here is the source code for io.hops.metadata.util.DistributedRTRMEvaluation.java

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/*
 * Copyright (C) 2015 hops.io.
 *
 * Licensed 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 io.hops.metadata.util;

import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.apache.hadoop.conf.Configuration;
import org.apache.hadoop.yarn.conf.YarnConfiguration;
import org.apache.hadoop.yarn.exceptions.YarnException;
import org.apache.hadoop.yarn.server.resourcemanager.ResourceManager;
import org.apache.hadoop.yarn.server.resourcemanager.scheduler.ResourceScheduler;
import org.apache.hadoop.yarn.server.resourcemanager.scheduler.fifo.FifoScheduler;

import java.io.IOException;

public class DistributedRTRMEvaluation {

    private static final Log LOG = LogFactory.getLog(DistributedRTRMEvaluation.class);

    private Configuration conf;

    public DistributedRTRMEvaluation() throws IOException {
        conf = new YarnConfiguration();
        conf.setBoolean(YarnConfiguration.RM_HA_ENABLED, true);
        conf.setBoolean(YarnConfiguration.HOPS_DISTRIBUTED_RT_ENABLED, true);
        conf.setClass(YarnConfiguration.RM_SCHEDULER, FifoScheduler.class, ResourceScheduler.class);
        YarnAPIStorageFactory.setConfiguration(conf);
        RMStorageFactory.setConfiguration(conf);
    }

    public DistributedRTRMEvaluation(int pendingPeriod) throws IOException, InterruptedException {
        this();
        System.out.println("setting HOPS_PENDING_EVENTS_RETRIEVAL_PERIOD to " + pendingPeriod);
        conf.setInt(YarnConfiguration.HOPS_PENDING_EVENTS_RETRIEVAL_PERIOD, pendingPeriod);
    }

    public static void main(String[] args) throws IOException, YarnException, InterruptedException {
        System.out.println("version 1.0");
        if (args.length == 0) {
            //TODO display help
            return;
        }

        if (args[0].equals("run")) {
            int pendingPeriod = Integer.parseInt(args[1]);
            DistributedRTRMEvaluation drt = new DistributedRTRMEvaluation(pendingPeriod);
            drt.start();
        } else if (args[0].equals("format")) {
            DistributedRTRMEvaluation drt = new DistributedRTRMEvaluation();
            drt.format();
        }

    }

    public void start() throws InterruptedException {
        ResourceManager rm = new ResourceManager();
        rm.init(conf);
        rm.start();

        while (true) {
            Thread.sleep(100);
        }
    }

    public void format() throws IOException {
        RMUtilities.InitializeDB();
    }
}