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 com.cloud.hypervisor.xenserver.resource.wrapper.xenbase;
  
  import java.net.URI;
  
  
  import com.cloud.agent.api.Answer;
  import com.cloud.agent.api.UpgradeSnapshotCommand;
  import com.cloud.hypervisor.xenserver.resource.CitrixResourceBase;
  import com.cloud.resource.CommandWrapper;
  import com.cloud.resource.ResourceWrapper;
  import com.xensource.xenapi.Connection;
  
  @ResourceWrapper(handles =  UpgradeSnapshotCommand.class)
  public final class CitrixUpgradeSnapshotCommandWrapper extends CommandWrapper<UpgradeSnapshotCommand, Answer, CitrixResourceBase> {
  
  
      @Override
      public Answer execute(final UpgradeSnapshotCommand command, final CitrixResourceBase citrixResourceBase) {
          final String secondaryStorageUrl = command.getSecondaryStorageUrl();
          final String backedUpSnapshotUuid = command.getSnapshotUuid();
          final Long volumeId = command.getVolumeId();
          final Long accountId = command.getAccountId();
          final Long templateId = command.getTemplateId();
          final Long tmpltAcountId = command.getTmpltAccountId();
          final String version = command.getVersion();
  
          if (!version.equals("2.1")) {
              return new Answer(command, true, "success");
          }
          try {
              final Connection conn = citrixResourceBase.getConnection();
              final URI uri = new URI(secondaryStorageUrl);
              final String secondaryStorageMountPath = uri.getHost() + ":" + uri.getPath();
              final String snapshotPath = secondaryStorageMountPath + "/snapshots/" + accountId + "/" + volumeId + "/" + backedUpSnapshotUuid + ".vhd";
              final String templatePath = secondaryStorageMountPath + "/template/tmpl/" + tmpltAcountId + "/" + templateId;
              citrixResourceBase.upgradeSnapshot(conn, templatePath, snapshotPath);
              return new Answer(command, true, "success");
          } catch (final Exception e) {
              final String details = "upgrading snapshot " + backedUpSnapshotUuid + " failed due to " + e.toString();
              logger.error(details, e);
  
          }
          return new Answer(command, false, "failure");
      }
  }
  