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.kvm.resource.wrapper;
  
  import java.util.ArrayList;
  import java.util.HashMap;
  import java.util.List;
  import java.util.Map;
  
  import com.cloud.agent.api.Answer;
  import com.cloud.agent.api.ReadyAnswer;
  import com.cloud.agent.api.ReadyCommand;
  import com.cloud.agent.properties.AgentProperties;
  import com.cloud.agent.properties.AgentPropertiesFileHandler;
  import com.cloud.host.Host;
  import com.cloud.hypervisor.kvm.resource.LibvirtComputingResource;
  import com.cloud.resource.CommandWrapper;
  import com.cloud.resource.ResourceWrapper;
  import com.cloud.utils.script.Script;
  
  @ResourceWrapper(handles =  ReadyCommand.class)
  public final class LibvirtReadyCommandWrapper extends CommandWrapper<ReadyCommand, Answer, LibvirtComputingResource> {
  
  
      @Override
      public Answer execute(final ReadyCommand command, final LibvirtComputingResource libvirtComputingResource) {
          Map<String, String> hostDetails = new HashMap<String, String>();
  
          if (hostSupportsUefi(libvirtComputingResource.isUbuntuOrDebianHost()) && libvirtComputingResource.isUefiPropertiesFileLoaded()) {
              hostDetails.put(Host.HOST_UEFI_ENABLE, Boolean.TRUE.toString());
          }
  
          if (libvirtComputingResource.hostSupportsInstanceConversion()) {
              hostDetails.put(Host.HOST_VIRTV2V_VERSION, libvirtComputingResource.getHostVirtV2vVersion());
          }
  
          if (libvirtComputingResource.hostSupportsOvfExport()) {
              hostDetails.put(Host.HOST_OVFTOOL_VERSION, libvirtComputingResource.getHostOvfToolVersion());
          }
  
          return new ReadyAnswer(command, hostDetails);
      }
  
      private boolean hostSupportsUefi(boolean isUbuntuOrDebianHost) {
          int timeout = AgentPropertiesFileHandler.getPropertyValue(AgentProperties.AGENT_SCRIPT_TIMEOUT) * 1000; // Get property value & convert to milliseconds
          int result;
          if (isUbuntuOrDebianHost) {
              logger.debug("Running command : [dpkg -l ovmf] with timeout : " + timeout + " ms");
              result = Script.executeCommandForExitValue(timeout, Script.getExecutableAbsolutePath("dpkg"), "-l", "ovmf");
          } else {
              logger.debug("Running command : [rpm -qa | grep -i ovmf] with timeout : " + timeout + " ms");
              List<String[]> commands = new ArrayList<>();
              commands.add(new String[]{Script.getExecutableAbsolutePath("rpm"), "-qa"});
              commands.add(new String[]{Script.getExecutableAbsolutePath("grep"), "-i", "ovmf"});
              result = Script.executePipedCommands(commands, timeout).first();
          }
          logger.debug("Got result : " + result);
          return result == 0;
      }
  }
  