def normalize_time_str(time_str):
try:
# local time zone datetime format
return timeutils.normalize_time(timeutils.local_to_utc(timeutils.parse_strtime(time_str, "%Y-%m-%d %H:%M:%S")))
except ValueError:
# UTC+0 time zone datetime format or others
return timeutils.normalize_time(timeutils.parse_isotime(time_str))
def request_admin_token(search_cache=True):
"""Retrieve new token as admin user from keystone.
:return token id upon success
:raises ServerError when unable to communicate with keystone
"""
admin_user = CONF.get("admin_user")
admin_password = CONF.get("admin_password")
admin_tenant_name = CONF.get("admin_tenant_name")
keystone_client = client.KeystonePublicClient()
local_store = local.dict_store()
if search_cache and hasattr(local_store, "admin_token"):
token = local_store.admin_token
expires = timeutils.parse_isotime(token["expires"])
if not timeutils.is_older_than(timeutils.normalize_time(expires), 0):
LOG.debug(_("Get token from local store."))
return token
params = {
"auth": {
"passwordCredentials": {"username": admin_user, "password": admin_password},
"tenantName": admin_tenant_name,
}
}
data, headers = keystone_client.response(
"POST", "/tokens", headers={"content-type": "application/json"}, body=params
)
try:
token = data["access"]["token"]
assert token
local_store.admin_token = token
LOG.debug(_("Request for admin token and save to local store."))
return token
except (AssertionError, KeyError):
LOG.warn("Unexpected response from keystone service: %s", data)
raise
