inventory.py 文件源码

def show_help(self):
        help_text = '''Usage: inventory.py ip1 [ip2 ...]
Examples: inventory.py 10.10.1.3 10.10.1.4 10.10.1.5

Available commands:
help - Display this message
print_cfg - Write inventory file to stdout
print_ips - Write a space-delimited list of IPs from "all" group

Advanced usage:
Add another host after initial creation: inventory.py 10.10.1.5
Delete a host: inventory.py -10.10.1.3
Delete a host by id: inventory.py -node1

Configurable env vars:
DEBUG                   Enable debug printing. Default: True
CONFIG_FILE             File to write config to Default: ./inventory.cfg
HOST_PREFIX             Host prefix for generated hosts. Default: node
SCALE_THRESHOLD         Separate ETCD role if # of nodes >= 50
MASSIVE_SCALE_THRESHOLD Separate K8s master and ETCD if # of nodes >= 200
'''
        print(help_text)