hadoop ReservationSystemUtil 源码

haddop ReservationSystemUtil 代码

文件路径：/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/reservation/ReservationSystemUtil.java

/**
 * 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.server.resourcemanager.reservation;

import org.apache.hadoop.yarn.api.records.ReservationAllocationState;
import org.apache.hadoop.yarn.api.records.ReservationDefinition;
import org.apache.hadoop.yarn.api.records.ReservationId;
import org.apache.hadoop.yarn.api.records.ReservationRequest;
import org.apache.hadoop.yarn.api.records.ResourceAllocationRequest;
import org.apache.hadoop.yarn.api.records.Resource;
import org.apache.hadoop.yarn.api.records.impl.pb.ReservationDefinitionPBImpl;
import org.apache.hadoop.yarn.api.records.impl.pb.ReservationIdPBImpl;
import org.apache.hadoop.yarn.api.records.impl.pb.ResourcePBImpl;
import org.apache.hadoop.yarn.proto.YarnProtos;
import org.apache.hadoop.yarn.proto.YarnProtos.ReservationAllocationStateProto;
import org.apache.hadoop.yarn.proto.YarnProtos.ReservationDefinitionProto;
import org.apache.hadoop.yarn.proto.YarnProtos.ReservationIdProto;
import org.apache.hadoop.yarn.proto.YarnProtos.ResourceAllocationRequestProto;
import org.apache.hadoop.yarn.proto.YarnProtos.ResourceProto;
import org.apache.hadoop.yarn.util.resource.ResourceCalculator;
import org.apache.hadoop.yarn.util.resource.Resources;

import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import java.util.Set;

/**
 * Simple helper class for static methods used to transform across
 * common formats in tests
 */
public final class ReservationSystemUtil {

  private ReservationSystemUtil() {
    // not called
  }

  public static Resource toResource(ReservationRequest request) {
    Resource resource = Resources.multiply(request.getCapability(),
        (float) request.getNumContainers());
    return resource;
  }

  public static Map<ReservationInterval, Resource> toResources(
      Map<ReservationInterval, ReservationRequest> allocations) {
    Map<ReservationInterval, Resource> resources =
        new HashMap<ReservationInterval, Resource>();
    for (Map.Entry<ReservationInterval, ReservationRequest> entry :
        allocations.entrySet()) {
      resources.put(entry.getKey(),
          toResource(entry.getValue()));
    }
    return resources;
  }

  public static ReservationAllocationStateProto buildStateProto(
      ReservationAllocation allocation) {
    ReservationAllocationStateProto.Builder builder =
        ReservationAllocationStateProto.newBuilder();

    builder.setAcceptanceTime(allocation.getAcceptanceTime());
    builder.setContainsGangs(allocation.containsGangs());
    builder.setStartTime(allocation.getStartTime());
    builder.setEndTime(allocation.getEndTime());
    builder.setUser(allocation.getUser());
    ReservationDefinitionProto definitionProto = convertToProtoFormat(
        allocation.getReservationDefinition());
    builder.setReservationDefinition(definitionProto);

    for (Map.Entry<ReservationInterval, Resource> entry :
        allocation.getAllocationRequests().entrySet()) {
      ResourceAllocationRequestProto p =
          ResourceAllocationRequestProto.newBuilder()
          .setStartTime(entry.getKey().getStartTime())
          .setEndTime(entry.getKey().getEndTime())
          .setResource(convertToProtoFormat(entry.getValue()))
          .build();
      builder.addAllocationRequests(p);
    }

    ReservationAllocationStateProto allocationProto = builder.build();
    return allocationProto;
  }

  private static ReservationDefinitionProto convertToProtoFormat(
      ReservationDefinition reservationDefinition) {
    return ((ReservationDefinitionPBImpl)reservationDefinition).getProto();
  }

  public static ResourceProto convertToProtoFormat(Resource e) {
    return YarnProtos.ResourceProto.newBuilder()
        .setMemory(e.getMemorySize())
        .setVirtualCores(e.getVirtualCores())
        .build();
  }

  public static Map<ReservationInterval, Resource> toAllocations(
      List<ResourceAllocationRequestProto> allocationRequestsList) {
    Map<ReservationInterval, Resource> allocations = new HashMap<>();
    for (ResourceAllocationRequestProto proto : allocationRequestsList) {
      allocations.put(
          new ReservationInterval(proto.getStartTime(), proto.getEndTime()),
          convertFromProtoFormat(proto.getResource()));
    }
    return allocations;
  }

  private static ResourcePBImpl convertFromProtoFormat(ResourceProto resource) {
    return new ResourcePBImpl(resource);
  }

  public static ReservationDefinitionPBImpl convertFromProtoFormat(
      ReservationDefinitionProto r) {
    return new ReservationDefinitionPBImpl(r);
  }

  public static ReservationIdPBImpl convertFromProtoFormat(
      ReservationIdProto r) {
    return new ReservationIdPBImpl(r);
  }

  public static ReservationId toReservationId(
      ReservationIdProto reservationId) {
    return new ReservationIdPBImpl(reservationId);
  }

  public static InMemoryReservationAllocation toInMemoryAllocation(
          String planName, ReservationId reservationId,
          ReservationAllocationStateProto allocationState, Resource minAlloc,
          ResourceCalculator planResourceCalculator) {
    ReservationDefinition definition =
        convertFromProtoFormat(
            allocationState.getReservationDefinition());
    Map<ReservationInterval, Resource> allocations = toAllocations(
            allocationState.getAllocationRequestsList());
    InMemoryReservationAllocation allocation =
        new InMemoryReservationAllocation(reservationId, definition,
        allocationState.getUser(), planName, allocationState.getStartTime(),
        allocationState.getEndTime(), allocations, planResourceCalculator,
        minAlloc, allocationState.getContainsGangs());
    return allocation;
  }

  public static List<ReservationAllocationState>
        convertAllocationsToReservationInfo(Set<ReservationAllocation> res,
                        boolean includeResourceAllocations) {
    List<ReservationAllocationState> reservationInfo = new ArrayList<>();

    Map<ReservationInterval, Resource> requests;
    for (ReservationAllocation allocation : res) {
      List<ResourceAllocationRequest> allocations = new ArrayList<>();
      if (includeResourceAllocations) {
        requests = allocation.getAllocationRequests();

        for (Map.Entry<ReservationInterval, Resource> request :
                requests.entrySet()) {
          ReservationInterval interval = request.getKey();
          allocations.add(ResourceAllocationRequest.newInstance(
                  interval.getStartTime(), interval.getEndTime(),
                  request.getValue()));
        }
      }

      reservationInfo.add(ReservationAllocationState.newInstance(
              allocation.getAcceptanceTime(), allocation.getUser(),
              allocations, allocation.getReservationId(),
              allocation.getReservationDefinition()));
    }
    return reservationInfo;
  }
}

相关信息

hadoop 源码目录

相关文章

hadoop AbstractReservationSystem 源码

hadoop AbstractSchedulerPlanFollower 源码

hadoop CapacityOverTimePolicy 源码

hadoop CapacityReservationSystem 源码

hadoop CapacitySchedulerPlanFollower 源码

hadoop FairReservationSystem 源码

hadoop FairSchedulerPlanFollower 源码

hadoop InMemoryPlan 源码

hadoop InMemoryReservationAllocation 源码

hadoop NoOverCommitPolicy 源码