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70 lines
2.4 KiB
Lua
70 lines
2.4 KiB
Lua
--
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-- (C) 2019-22 - ntop.org
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--
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-- ##############################################
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local other_alert_keys = require "other_alert_keys"
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local format_utils = require "format_utils"
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-- Import the classes library.
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local classes = require "classes"
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-- Make sure to import the Superclass!
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local alert = require "alert"
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local alert_entities = require "alert_entities"
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-- ##############################################
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local alert_slow_purge = classes.class(alert)
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-- ##############################################
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alert_slow_purge.meta = {
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alert_key = other_alert_keys.alert_slow_purge,
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i18n_title = "alerts_dashboard.slow_purge",
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icon = "fas fa-fw fa-exclamation",
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entities = {
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alert_entities.system
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},
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}
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-- ##############################################
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-- @brief Prepare an alert table used to generate the alert
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-- @param idle Number of entries in state idle
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-- @param idle_perc Fraction of entries in state idle, with reference to the total number of entries (idle + active)
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-- @param threshold Threshold compared against idle_perc
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-- @return A table with the alert built
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function alert_slow_purge:init(idle, idle_perc, threshold)
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-- Call the parent constructor
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self.super:init()
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self.alert_type_params = {
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idle = idle,
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idle_perc = idle_perc,
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edge = threshold,
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}
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end
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-- #######################################################
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-- @brief Format an alert into a human-readable string
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-- @param ifid The integer interface id of the generated alert
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-- @param alert The alert description table, including alert data such as the generating entity, timestamp, granularity, type
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-- @param alert_type_params Table `alert_type_params` as built in the `:init` method
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-- @return A human-readable string
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function alert_slow_purge.format(ifid, alert, alert_type_params)
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local alert_consts = require("alert_consts")
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local entity = alert_consts.formatAlertEntity(ifid, alert_consts.alertEntityRaw(alert["entity_id"]), alert["entity_val"])
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local max_idle_perc = format_utils.round(alert_type_params.edge or 0, 0)
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local actual_idle_perc = format_utils.round(alert_type_params.idle_perc or 0, 0)
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return(i18n("alert_messages.slow_purge", {
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iface = entity, idle = actual_idle_perc, max_idle = max_idle_perc,
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url = ntop.getHttpPrefix() .. "/lua/if_stats.lua?ifid=" .. ifid .. "&page=internals",
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}))
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end
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-- #######################################################
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return alert_slow_purge
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