private static ComputeDescriptionService.ComputeDescription createComputeDescription(
     TestHost host, String instanceAdapterLink, String bootAdapterLink) throws Throwable {
   // Create ComputeDescription
   ComputeDescriptionService.ComputeDescription cd =
       new ComputeDescriptionService.ComputeDescription();
   cd.environmentName = ComputeDescriptionService.ComputeDescription.ENVIRONMENT_NAME_ON_PREMISE;
   cd.costPerMinute = 1;
   cd.cpuMhzPerCore = 1000;
   cd.cpuCount = 2;
   cd.gpuCount = 1;
   cd.currencyUnit = "USD";
   cd.totalMemoryBytes = Integer.MAX_VALUE;
   cd.id = UUID.randomUUID().toString();
   cd.name = "friendly-name";
   cd.regionId = "provider-specific-regions";
   cd.zoneId = "provider-specific-zone";
   // disable periodic maintenance for tests by default.
   cd.healthAdapterReference = null;
   if (instanceAdapterLink != null) {
     cd.instanceAdapterReference = UriUtils.buildUri(host, instanceAdapterLink);
     cd.powerAdapterReference = URI.create("http://powerAdapter");
   }
   if (bootAdapterLink != null) {
     cd.bootAdapterReference = UriUtils.buildUri(host, bootAdapterLink);
   }
   return host.postServiceSynchronously(
       ComputeDescriptionFactoryService.SELF_LINK,
       cd,
       ComputeDescriptionService.ComputeDescription.class);
 }
  private static ComputeService.ComputeState createParentCompute(
      TestHost host, String resourcePool, String zoneId) throws Throwable {
    // Create parent ComputeDescription
    ComputeDescriptionService.ComputeDescription cd =
        new ComputeDescriptionService.ComputeDescription();
    cd.bootAdapterReference = new URI("http://bootAdapterReference");
    cd.powerAdapterReference = new URI("http://powerAdapterReference");
    cd.instanceAdapterReference = new URI("http://instanceAdapterReference");
    cd.healthAdapterReference = null;
    cd.enumerationAdapterReference = new URI("http://enumerationAdapterReference");
    cd.supportedChildren = new ArrayList<>();
    cd.supportedChildren.add(ComputeType.VM_GUEST.toString());
    cd.environmentName = ComputeDescriptionService.ComputeDescription.ENVIRONMENT_NAME_ON_PREMISE;
    cd.costPerMinute = 1;
    cd.cpuMhzPerCore = 1000;
    cd.cpuCount = 2;
    cd.gpuCount = 1;
    cd.currencyUnit = "USD";
    cd.totalMemoryBytes = Integer.MAX_VALUE;
    cd.id = UUID.randomUUID().toString();
    cd.name = "friendly-name";
    cd.regionId = "provider-specific-regions";
    cd.zoneId = zoneId;
    ComputeDescriptionService.ComputeDescription cd1 =
        host.postServiceSynchronously(
            ComputeDescriptionFactoryService.SELF_LINK,
            cd,
            ComputeDescriptionService.ComputeDescription.class);

    // Create parent Compute
    ComputeService.ComputeState cs = new ComputeService.ComputeState();
    cs.id = UUID.randomUUID().toString();
    cs.descriptionLink = cd1.documentSelfLink;
    cs.resourcePoolLink = resourcePool;
    cs.adapterManagementReference = URI.create("https://esxhost-01:443/sdk");
    ComputeService.ComputeState cs1 =
        host.postServiceSynchronously(
            ComputeFactoryService.SELF_LINK, cs, ComputeService.ComputeState.class);

    return cs1;
  }