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.util.Map;
  import java.util.HashMap;
  import java.util.Set;
  
  import org.apache.xmlrpc.XmlRpcException;
  
  import static com.cloud.hypervisor.xenserver.discoverer.XcpServerDiscoverer.isUefiSupported;
  
  import com.cloud.agent.api.Answer;
  import com.cloud.agent.api.ReadyAnswer;
  import com.cloud.agent.api.ReadyCommand;
  import com.cloud.hypervisor.xenserver.resource.CitrixHelper;
  import com.cloud.hypervisor.xenserver.resource.CitrixResourceBase;
  import com.cloud.resource.CommandWrapper;
  import com.cloud.resource.ResourceWrapper;
  import com.xensource.xenapi.Connection;
  import com.xensource.xenapi.Host;
  import com.xensource.xenapi.Types.XenAPIException;
  import com.xensource.xenapi.VM;
  
  @ResourceWrapper(handles =  ReadyCommand.class)
  public final class CitrixReadyCommandWrapper extends CommandWrapper<ReadyCommand, Answer, CitrixResourceBase> {
  
  
      @Override
      public Answer execute(final ReadyCommand command, final CitrixResourceBase citrixResourceBase) {
          final Connection conn = citrixResourceBase.getConnection();
          final Long dcId = command.getDataCenterId();
          Map<String, String> hostDetails = new HashMap<String, String>();
          // Ignore the result of the callHostPlugin. Even if unmounting the
          // snapshots dir fails, let Ready command
          // succeed.
          citrixResourceBase.umountSnapshotDir(conn, dcId);
  
          citrixResourceBase.setupLinkLocalNetwork(conn);
          // try to destroy CD-ROM device for all system VMs on this host
          try {
              final Host host = Host.getByUuid(conn, citrixResourceBase.getHost().getUuid());
              final Set<VM> vms = host.getResidentVMs(conn);
              citrixResourceBase.destroyPatchVbd(conn, vms);
  
              final Host.Record hr = host.getRecord(conn);
              if (isUefiSupported(CitrixHelper.getProductVersion(hr))) {
                  hostDetails.put(com.cloud.host.Host.HOST_UEFI_ENABLE, Boolean.TRUE.toString());
              }
          } catch (final Exception e) {
          }
          try {
              final boolean result = citrixResourceBase.cleanupHaltedVms(conn);
              if (!result) {
                  return new ReadyAnswer(command, "Unable to cleanup halted vms");
              }
          } catch (final XenAPIException e) {
              logger.warn("Unable to cleanup halted vms", e);
              return new ReadyAnswer(command, "Unable to cleanup halted vms");
          } catch (final XmlRpcException e) {
              logger.warn("Unable to cleanup halted vms", e);
              return new ReadyAnswer(command, "Unable to cleanup halted vms");
          }
  
          return new ReadyAnswer(command, hostDetails);
      }
  }
  