//create tasks for each host
for (String hostName : targetHosts) {
stage.addHostRoleExecutionCommand(hostName,
Role.valueOf(actionContext.getActionName()), RoleCommand.ACTIONEXECUTE,
new ServiceComponentHostOpInProgressEvent(actionContext.getActionName(),
hostName, System.currentTimeMillis()), clusterName,
serviceName);
Map<String, Map<String, String>> configurations = new TreeMap<String, Map<String, String>>();
Map<String, Map<String, String>> configTags = null;