private boolean preparePxeInBasicZone(
      VirtualMachineProfile profile,
      NicProfile nic,
      DeployDestination dest,
      ReservationContext context)
      throws AgentUnavailableException, OperationTimedoutException {
    NetworkVO nwVO = _nwDao.findById(nic.getNetworkId());
    QueryBuilder<BaremetalPxeVO> sc = QueryBuilder.create(BaremetalPxeVO.class);
    sc.and(sc.entity().getDeviceType(), Op.EQ, BaremetalPxeType.KICK_START.toString());
    sc.and(sc.entity().getPhysicalNetworkId(), Op.EQ, nwVO.getPhysicalNetworkId());
    BaremetalPxeVO pxeVo = sc.find();
    if (pxeVo == null) {
      throw new CloudRuntimeException(
          "No kickstart PXE server found in pod: "
              + dest.getPod().getId()
              + ", you need to add it before starting VM");
    }
    VMTemplateVO template = _tmpDao.findById(profile.getTemplateId());
    List<String> tuple = parseKickstartUrl(profile);

    String ks = tuple.get(0);
    String kernel = tuple.get(1);
    String initrd = tuple.get(2);

    PrepareKickstartPxeServerCommand cmd = new PrepareKickstartPxeServerCommand();
    cmd.setKsFile(ks);
    cmd.setInitrd(initrd);
    cmd.setKernel(kernel);
    cmd.setMac(nic.getMacAddress());
    cmd.setTemplateUuid(template.getUuid());
    Answer aws = _agentMgr.send(pxeVo.getHostId(), cmd);
    if (!aws.getResult()) {
      s_logger.warn(
          "Unable to set host: "
              + dest.getHost().getId()
              + " to PXE boot because "
              + aws.getDetails());
      return false;
    }

    return true;
  }
  @Override
  public boolean addUserData(NicProfile nic, VirtualMachineProfile profile) {
    UserVmVO vm = _vmDao.findById(profile.getVirtualMachine().getId());
    _vmDao.loadDetails(vm);

    String serviceOffering =
        _serviceOfferingDao
            .findByIdIncludingRemoved(vm.getId(), vm.getServiceOfferingId())
            .getDisplayText();
    String zoneName = _dcDao.findById(vm.getDataCenterId()).getName();
    NicVO nvo = _nicDao.findById(nic.getId());
    VmDataCommand cmd =
        new VmDataCommand(
            nvo.getIPv4Address(), vm.getInstanceName(), _ntwkModel.getExecuteInSeqNtwkElmtCmd());
    // if you add new metadata files, also edit
    // systemvm/patches/debian/config/var/www/html/latest/.htaccess
    cmd.addVmData("userdata", "user-data", vm.getUserData());
    cmd.addVmData("metadata", "service-offering", StringUtils.unicodeEscape(serviceOffering));
    cmd.addVmData("metadata", "availability-zone", StringUtils.unicodeEscape(zoneName));
    cmd.addVmData("metadata", "local-ipv4", nic.getIPv4Address());
    cmd.addVmData("metadata", "local-hostname", StringUtils.unicodeEscape(vm.getInstanceName()));
    cmd.addVmData("metadata", "public-ipv4", nic.getIPv4Address());
    cmd.addVmData("metadata", "public-hostname", StringUtils.unicodeEscape(vm.getInstanceName()));
    cmd.addVmData("metadata", "instance-id", String.valueOf(vm.getId()));
    cmd.addVmData("metadata", "vm-id", String.valueOf(vm.getInstanceName()));
    cmd.addVmData("metadata", "public-keys", null);
    String cloudIdentifier = _configDao.getValue("cloud.identifier");
    if (cloudIdentifier == null) {
      cloudIdentifier = "";
    } else {
      cloudIdentifier = "CloudStack-{" + cloudIdentifier + "}";
    }
    cmd.addVmData("metadata", "cloud-identifier", cloudIdentifier);

    List<PhysicalNetworkVO> phys = _phynwDao.listByZone(vm.getDataCenterId());
    if (phys.isEmpty()) {
      throw new CloudRuntimeException(
          String.format("Cannot find physical network in zone %s", vm.getDataCenterId()));
    }
    if (phys.size() > 1) {
      throw new CloudRuntimeException(
          String.format(
              "Baremetal only supports one physical network in zone, but zone %s has %s physical networks",
              vm.getDataCenterId(), phys.size()));
    }
    PhysicalNetworkVO phy = phys.get(0);

    QueryBuilder<BaremetalPxeVO> sc = QueryBuilder.create(BaremetalPxeVO.class);
    // TODO: handle both kickstart and PING
    // sc.addAnd(sc.getEntity().getPodId(), Op.EQ, vm.getPodIdToDeployIn());
    sc.and(sc.entity().getPhysicalNetworkId(), Op.EQ, phy.getId());
    BaremetalPxeVO pxeVo = sc.find();
    if (pxeVo == null) {
      throw new CloudRuntimeException(
          "No PXE server found in pod: "
              + vm.getPodIdToDeployIn()
              + ", you need to add it before starting VM");
    }

    try {
      Answer ans = _agentMgr.send(pxeVo.getHostId(), cmd);
      if (!ans.getResult()) {
        s_logger.debug(
            String.format(
                "Add userdata to vm:%s failed because %s", vm.getInstanceName(), ans.getDetails()));
        return false;
      } else {
        return true;
      }
    } catch (Exception e) {
      s_logger.debug(String.format("Add userdata to vm:%s failed", vm.getInstanceName()), e);
      return false;
    }
  }