ClusterSpec clusterSpec = ClusterSpec.withTemporaryKeys(config);
ClusterController controller = new ClusterController();
controller.launchCluster(clusterSpec);
controller.destroyCluster(clusterSpec);
DryRun dryRun = DryRunModule.getDryRun();
ListMultimap<NodeMetadata, RunScriptOnNode> perNodeExecutions = dryRun
.getExecutions();
List<RunScriptOnNode> totalExecutions = dryRun