Host host = clusters.getHost(hostName);
stage.addHostRoleExecutionCommand(hostName, Role.valueOf(componentName),
RoleCommand.CUSTOM_COMMAND,
new ServiceComponentHostOpInProgressEvent(componentName,
hostName, nowTimestamp), cluster.getClusterName(), serviceName);
Map<String, Map<String, String>> configurations =
new TreeMap<String, Map<String, String>>();
Map<String, Map<String, String>> configTags =