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68 lines
1.9 KiB
Lua
68 lines
1.9 KiB
Lua
--
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-- (C) 2019 - ntop.org
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--
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local alerts_api = require("alerts_api")
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local alert_consts = require("alert_consts")
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local user_scripts = require("user_scripts")
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-- #################################################################
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local function check_interface_idle(params)
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local threshold = tonumber(params.alert_config.threshold)
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local engage = false
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local max_idle = 0
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local max_idle_perc = 0
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local hash_tables_stats = interface.getHashTablesStats()
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for ht_name, ht_stats in pairsByKeys(hash_tables_stats, asc) do
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local idle = ht_stats["hash_entry_states"]["hash_entry_state_idle"] or "0"
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local active = ht_stats["hash_entry_states"]["hash_entry_state_active"] or "0"
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local idle_perc = math.min(idle * 100.0 / (idle + active + 1), 100)
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if (idle + active) > 1000 and idle_perc > threshold then
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if idle_perc > max_idle_perc then
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max_idle = idle
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max_idle_perc = idle_perc
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end
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end
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end
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local idle_type = alerts_api.slowPurgeType(max_idle, max_idle_perc, threshold)
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if max_idle_perc > threshold then
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alerts_api.trigger(params.alert_entity, idle_type, nil, params.cur_alerts)
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else
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alerts_api.release(params.alert_entity, idle_type, nil, params.cur_alerts)
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end
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end
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-- #################################################################
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local script = {
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default_enabled = true,
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default_value = {
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-- "> 50%"
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operator = "gt",
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threshold = 50,
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},
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-- This script is only for alerts generation
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is_alert = true,
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hooks = {
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min = check_interface_idle,
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},
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gui = {
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i18n_title = "alerts_thresholds_config.alert_slow_purge_threshold",
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i18n_description = "alerts_thresholds_config.alert_slow_purge_threshold_descr",
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i18n_field_unit = user_scripts.field_units.percentage,
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input_builder = "threshold_cross",
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field_max = 99,
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field_min = 1,
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field_operator = "gt";
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}
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}
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-- #################################################################
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return script
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