hadoop-ozone/tools/src/main/java/org/apache/hadoop/ozone/shell/volume/CreateVolumeHandler.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.ozone.shell.volume;

import org.apache.hadoop.hdds.client.OzoneQuota;
import org.apache.hadoop.ozone.client.OzoneClient;
import org.apache.hadoop.ozone.client.OzoneVolume;
import org.apache.hadoop.ozone.client.VolumeArgs;
import org.apache.hadoop.ozone.shell.OzoneAddress;
import org.apache.hadoop.ozone.shell.SetSpaceQuotaOptions;
import org.apache.hadoop.security.UserGroupInformation;

import picocli.CommandLine;
import picocli.CommandLine.Command;
import picocli.CommandLine.Option;

import java.io.IOException;

/**
 * Executes the create volume call for the shell.
 */
@Command(name = "create",
    description = "Creates a volume for the specified user")
public class CreateVolumeHandler extends VolumeHandler {

  @Option(names = {"--user", "-u"},
      description = "Owner of the volume")
  private String ownerName;

  @CommandLine.Mixin
  private SetSpaceQuotaOptions quotaOptions;

  @Override
  protected void execute(OzoneClient client, OzoneAddress address)
      throws IOException {
    if (ownerName == null) {
      ownerName = UserGroupInformation.getCurrentUser().getUserName();
    }

    String volumeName = address.getVolumeName();

    String adminName = UserGroupInformation.getCurrentUser().getUserName();
    VolumeArgs.Builder volumeArgsBuilder = VolumeArgs.newBuilder()
        .setAdmin(adminName)
        .setOwner(ownerName);
    if (quotaOptions.getQuotaInBytes() != null) {
      volumeArgsBuilder.setQuotaInBytes(OzoneQuota.parseQuota(
          quotaOptions.getQuotaInBytes(),
          quotaOptions.getQuotaInNamespace()).getQuotaInBytes());
    }

    volumeArgsBuilder.setQuotaInNamespace(quotaOptions.getQuotaInNamespace());

    client.getObjectStore().createVolume(volumeName,
        volumeArgsBuilder.build());

    if (isVerbose()) {
      OzoneVolume vol = client.getObjectStore().getVolume(volumeName);
      printObjectAsJson(vol);
    }
  }

}