def update_state(self, reason, reason_data, state_value):
# History type, that then decides what the rest of the items are, can be one of ConfigurationUpdate | StateUpdate | Action
self.history.append((
"StateUpdate",
self.state_reason,
self.state_reason_data,
self.state_value,
self.state_updated_timestamp,
))
self.state_reason = reason
self.state_reason_data = reason_data
self.state_value = state_value
self.state_updated_timestamp = iso_8601_datetime_with_nanoseconds(
datetime.now(tz=tzutc()))
def __init__(
self,
region_name,
name,
namespace,
metric_name,
metric_data_queries,
comparison_operator,
evaluation_periods,
datapoints_to_alarm,
period,
threshold,
statistic,
extended_statistic,
description,
dimensions,
alarm_actions,
ok_actions,
insufficient_data_actions,
unit,
actions_enabled,
treat_missing_data,
evaluate_low_sample_count_percentile,
threshold_metric_id,
rule=None,
):
self.region_name = region_name
self.name = name
self.alarm_arn = make_arn_for_alarm(region_name, get_account_id(), name)
self.namespace = namespace
self.metric_name = metric_name
self.metric_data_queries = metric_data_queries
self.comparison_operator = comparison_operator
self.evaluation_periods = evaluation_periods
self.datapoints_to_alarm = datapoints_to_alarm
self.period = period
self.threshold = threshold
self.statistic = statistic
self.extended_statistic = extended_statistic
self.description = description
self.dimensions = [
Dimension(dimension["name"], dimension["value"]) for dimension in dimensions
]
self.actions_enabled = True if actions_enabled is None else actions_enabled
self.alarm_actions = alarm_actions
self.ok_actions = ok_actions
self.insufficient_data_actions = insufficient_data_actions
self.unit = unit
self.configuration_updated_timestamp = iso_8601_datetime_with_nanoseconds(
datetime.now(tz=tzutc())
)
self.treat_missing_data = treat_missing_data
self.evaluate_low_sample_count_percentile = evaluate_low_sample_count_percentile
self.threshold_metric_id = threshold_metric_id
self.history = []
self.state_reason = "Unchecked: Initial alarm creation"
self.state_reason_data = "{}"
self.state_value = "OK"
self.state_updated_timestamp = iso_8601_datetime_with_nanoseconds(
datetime.now(tz=tzutc())
)
# only used for composite alarms
self.rule = rule