@Override
  public String findServiceName(Cluster cluster, String componentName) throws AmbariException {
    return cluster.getServiceByComponentName(componentName).getName();
  }
Computes os-dependent packages for service/host. Does not take into
account package dependencies for ANY_OS. Instead of this method
you should use getPackagesForServiceHost()
because it takes into account both os-dependent and os-independent lists
of packages for service.
@param hostParams may be modified (appended SERVICE_REPO_INFO)
@return a list of os-dependent packages for host
ambari-server/src/main/java/org/apache/ambari/server/controller/AmbariManagementControllerImpl.java