    # File lib/fog/vsphere/requests/compute/list_clusters.rb, line 19
            def cluster_attributes cluster, datacenter_name
              {
                :id             => managed_obj_id(cluster),
                :name           => cluster.name,
                :num_host       => cluster.summary.numHosts,
                :num_cpu_cores  => cluster.summary.numCpuCores,
                :overall_status => cluster.summary.overallStatus,
                :datacenter     => datacenter_name || parent_attribute(cluster.path, :datacenter)[1],
              }
            end