@BeforeTest(alwaysRun = true)
  public void init() throws Exception {
    service = new HpGrizzlyCloudService();
    super.bootstrap(service);
    cloud = service.getCloud();
    initClients();

    // install service with network
    String simpleServicePath = CommandTestUtils.getPath(USM_SERVICES_PATH + SERVICE_NAME);
    super.installServiceAndWait(simpleServicePath, SERVICE_NAME);
  }
  private void initClients() {
    try {

      Map<String, Object> properties = service.getProperties();
      String tenant = properties.get(PROPERTY_TENANT).toString();
      String username = properties.get(PROPERTY_USER).toString();
      String password = properties.get(PROPERTY_API_KEY).toString();
      String endpoint = properties.get(PROPERTY_OPENSTACK_URL).toString();

      // calculating the region by the image id of the management template
      String managementTemplateName = cloud.getConfiguration().getManagementMachineTemplate();
      ComputeTemplate managementTemplate =
          cloud.getCloudCompute().getTemplates().get(managementTemplateName);
      String region = managementTemplate.getImageId().split("/")[0];

      computeClient = new OpenStackComputeClient(endpoint, username, password, tenant, region);
      networkClient = new OpenStackNetworkClient(endpoint, username, password, tenant, region);
    } catch (OpenstackJsonSerializationException e) {
      throw new IllegalStateException(e);
    }
  }