def auth():
    auth = v3.Password(auth_url=AUTH_URL, username=USERNAME, password=PASSWORD, project_name=PROJECT_NAME, user_domain_id=USER_DOMAIN_ID, project_domain_id=PROJECT_DOMAIN_ID)
    sess = session.Session(auth=auth, verify=CACERT)
    nova = client.Client(VERSION, session=sess)
    return nova
def auth():
    auth = v3.Password(auth_url=AUTH_URL, username=USERNAME, password=PASSWORD, project_name=PROJECT_NAME, user_domain_id=USER_DOMAIN_ID, project_domain_id=PROJECT_DOMAIN_ID)
    sess = session.Session(auth=auth, verify=CACERT)
    nova = client.Client(VERSION, session=sess)
    return nova