def printUsage():
    print(('\n        Usage: %s [options]\n            -h or --help: show help info\n            -l url or --link=url: the status url of nginx\n            -m min_containers or --min=min_containers: the min number of containers\n            -M max_containers or --max=max_containers: the max number of containers\n            -t target_container or --target=target_container: the target container\n            -i check_interval or --interval=check_interval: the checking interval\n            -u up_threshold or --up=up_threshold: the threshold for scaling up\n            -d down_threshold or --down = down_threshold: the threshold for scaling down\n        ' % (sys.argv[0],)))
def printUsage():
    print(('\n        Usage: %s [options]\n            -h or --help: show help info\n            -l url or --link=url: the status url of nginx\n            -m min_containers or --min=min_containers: the min number of containers\n            -M max_containers or --max=max_containers: the max number of containers\n            -t target_container or --target=target_container: the target container\n            -i check_interval or --interval=check_interval: the checking interval\n            -u up_threshold or --up=up_threshold: the threshold for scaling up\n            -d down_threshold or --down = down_threshold: the threshold for scaling down\n        ' % (sys.argv[0],)))