ntopng/scripts/lua/modules/alert_definitions/alert_slow_purge.lua
2020-10-05 14:38:53 +02:00

53 lines
1.9 KiB
Lua

--
-- (C) 2019-20 - ntop.org
--
local alert_keys = require "alert_keys"
local format_utils = require "format_utils"
-- #######################################################
-- @brief Prepare an alert table used to generate the alert
-- @param alert_severity A severity as defined in `alert_consts.alert_severities`
-- @param alert_granularity A granularity as defined in `alert_consts.alerts_granularities`
-- @param idle Number of entries in state idle
-- @param idle_perc Fraction of entries in state idle, with reference to the total number of entries (idle + active)
-- @param threshold Threshold compared against idle_perc
-- @return A table with the alert built
local function createSlowPurge(alert_severity, alert_granularity, idle, idle_perc, threshold)
local built = {
alert_severity = alert_severity,
alert_granularity = alert_granularity,
alert_type_params = {
idle = idle,
idle_perc = idle_perc,
edge = threshold,
},
}
return built
end
-- #######################################################
local function formatSlowPurge(ifid, alert, threshold_info)
local alert_consts = require("alert_consts")
local entity = alert_consts.formatAlertEntity(ifid, alert_consts.alertEntityRaw(alert["alert_entity"]), alert["alert_entity_val"])
local max_idle_perc = format_utils.round(threshold_info.edge or 0, 0)
local actual_idle_perc = format_utils.round(threshold_info.idle_perc or 0, 0)
return(i18n("alert_messages.slow_purge", {
iface = entity, idle = actual_idle_perc, max_idle = max_idle_perc,
url = ntop.getHttpPrefix() .. "/lua/if_stats.lua?ifid=" .. ifid .. "&page=internals",
}))
end
-- #######################################################
return {
alert_key = alert_keys.ntopng.alert_slow_purge,
i18n_title = "alerts_dashboard.slow_purge",
icon = "fas fa-exclamation",
i18n_description = formatSlowPurge,
creator = createSlowPurge,
}