utils.py

import os
import requests


def get_token():
    username = os.environ["USER_NAME"]
    domain_name = os.environ["DOMAIN_NAME"]
    domain_pwd = os.environ["DOMAIN_PWD"]
    url = os.environ["IAM_URL"]

    requests_json = {
        "auth": {
            "identity": {
                "methods": ["password"],
                "password": {
                    "user": {
                        "name": username,
                        "password": domain_pwd,
                        "domain": {
                            "name": domain_name
                        }
                    }
                }
            },
            "scope": {
                "project": {
                    "name": "cn-central-221"
                }
            }
        }
    }

    headers = {
        "Content-Type": "application/json"
    }

    response = requests.post(url, json=requests_json, headers=headers)

    result = response.headers
    print("token success")

    return result['X-Subject-Token']


if __name__ == "__main__":
    get_token()