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Migrates alerts to an object-oriented implementation

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This commit is contained in:
Matteo Biscosi 2020-12-22 14:46:26 +01:00
parent e24ef4ef35
commit bcf2c2c1ed
95 changed files with 1923 additions and 1522 deletions
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37
scripts/lua/modules/alerts_api.lua
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@ -90,7 +90,7 @@ end
local function get_alert_triggered_key(type_info)
if((type_info == nil) or (type_info.alert_type == nil)) then
-- tprint(debug.traceback())
tprint(debug.traceback())
end
return(string.format("%d@%s", type_info.alert_type.alert_key, type_info.alert_subtype or ""))
@ -606,16 +606,17 @@ function alerts_api.checkThresholdAlert(params, alert_type, value)
local threshold_config = params.user_script_config
local alarmed = false
local threshold_type = alert_type.create(
alert_severities.error,
script.key,
alert_consts.alerts_granularities[params.granularity],
params.user_script.key,
value,
threshold_config.operator,
threshold_config.threshold
local alert = alert_type.new(
params.user_script.key,
value,
threshold_config.operator,
threshold_config.threshold
)
alert:set_severity(alert_severities.error)
alert:set_granularity(params.granularity)
alert:set_subtype(script.key)
-- Retrieve the function to be used for the threshold check.
-- The function depends on the operator, i.e., "gt", or "lt".
-- When there's no operator, the default "gt" function is taken from the available
@ -624,9 +625,9 @@ function alerts_api.checkThresholdAlert(params, alert_type, value)
if op_fn and op_fn(value, threshold_config.threshold) then alarmed = true end
if(alarmed) then
return(alerts_api.trigger(params.alert_entity, threshold_type, nil, params.cur_alerts))
alert:trigger(params.alert_entity, nil, params.cur_alerts)
else
return(alerts_api.release(params.alert_entity, threshold_type, nil, params.cur_alerts))
alert:release(params.alert_entity, nil, params.cur_alerts)
end
end
@ -638,16 +639,16 @@ end
-- which returns a type_info for the given anomaly.
function alerts_api.anomaly_check_function(params)
local anomal_key = params.user_script.key
local type_info = params.user_script.anomaly_type_builder(
alert_severities.error,
alert_consts.alerts_granularities.min,
anomal_key
)
local type_info = params.user_script.anomaly_type_builder()
type_info:set_severity(alert_severities.error)
type_info:set_granularity(params.granularity)
type_info:set_subtype(anomal_key)
if params.entity_info.anomalies[anomal_key] then
return alerts_api.trigger(params.alert_entity, type_info, nil, params.cur_alerts)
type_info:trigger(params.alert_entity, nil, params.cur_alerts)
else
return alerts_api.release(params.alert_entity, type_info, nil, params.cur_alerts)
type_info:release(params.alert_entity, nil, params.cur_alerts)
end
end