def RecentlyModified(update_time):
"""Checks if the trigger with the given update_time was recently modified.
Args:
update_time: str, the time when the trigger was last modified.
Returns:
True if the trigger was recently modified and might not be ready for use.
"""
update_dt = times.ParseDateTime(update_time)
max_duration = iso_duration.Duration(minutes=MAX_READY_LATENCY_MINUTES)
ready_dt = times.GetDateTimePlusDuration(update_dt, max_duration)
return times.Now() < ready_dt
def TriggerActiveTime(event_type, update_time):
"""Computes the time by which the trigger will become active.
Args:
event_type: str, the trigger's event type.
update_time: str, the time when the trigger was last modified.
Returns:
The active time as a string, or None if the trigger is already active.
"""
if not types.IsAuditLogType(event_type):
# The delay only applies to Audit Log triggers.
return None
update_dt = times.ParseDateTime(update_time)
delay = iso_duration.Duration(minutes=MAX_ACTIVE_DELAY_MINUTES)
active_dt = times.GetDateTimePlusDuration(update_dt, delay)
if times.Now() >= active_dt:
return None
return times.FormatDateTime(active_dt, fmt='%H:%M:%S', tzinfo=times.LOCAL)
def _TokenExpiresWithinWindow(expiry_window,
token_expiry_time,
max_window_seconds=3600):
"""Determines if token_expiry_time is within expiry_window_duration.
Calculates the amount of time between utcnow() and token_expiry_time and
returns true, if that amount is less thank the provided duration window. All
calculations are done in number of seconds for consistency.
Args:
expiry_window: string, Duration representing the amount of time between
now and token_expiry_time to compare against.
token_expiry_time: datetime, The time when token expires.
max_window_seconds: int, Maximum size of expiry window, in seconds.
Raises:
ValueError: If expiry_window is invalid or can not be parsed.
Returns:
True if token is expired or will expire with in the provided window,
False otherwise.
"""
try:
min_expiry = times.ParseDuration(expiry_window, default_suffix='s')
if min_expiry.total_seconds > max_window_seconds:
raise ValueError('Invalid expiry window duration [{}]: '
'Must be between 0s and 1h'.format(expiry_window))
except times.Error as e:
message = six.text_type(e).rstrip('.')
raise ValueError('Error Parsing expiry window duration '
'[{}]: {}'.format(expiry_window, message))
token_expiry_time = times.LocalizeDateTime(token_expiry_time,
tzinfo=dateutil.tz.tzutc())
window_end = times.GetDateTimePlusDuration(
times.Now(tzinfo=dateutil.tz.tzutc()), min_expiry)
return token_expiry_time <= window_end
def ProcessTableExpiration(expire_duration):
"""Convert commandline duration into epoch timeoffset (in ms)."""
t = times.GetDateTimePlusDuration(datetime.datetime.now(), expire_duration)
return int(time.mktime(t.timetuple())) * 1000
