mirror of
https://github.com/ntop/ntopng.git
synced 2026-05-03 09:20:10 +00:00
68 lines
1.9 KiB
Lua
68 lines
1.9 KiB
Lua
--
|
|
-- (C) 2019-20 - ntop.org
|
|
--
|
|
|
|
local alerts_api = require("alerts_api")
|
|
local alert_consts = require("alert_consts")
|
|
local user_scripts = require("user_scripts")
|
|
|
|
-- #################################################################
|
|
|
|
local function check_interface_idle(params)
|
|
local threshold = tonumber(params.alert_config.threshold)
|
|
local engage = false
|
|
local max_idle = 0
|
|
local max_idle_perc = 0
|
|
|
|
local hash_tables_stats = interface.getHashTablesStats()
|
|
for ht_name, ht_stats in pairsByKeys(hash_tables_stats, asc) do
|
|
local idle = ht_stats["hash_entry_states"]["hash_entry_state_idle"] or "0"
|
|
local active = ht_stats["hash_entry_states"]["hash_entry_state_active"] or "0"
|
|
local idle_perc = math.min(idle * 100.0 / (idle + active + 1), 100)
|
|
if (idle + active) > 1000 and idle_perc > threshold then
|
|
if idle_perc > max_idle_perc then
|
|
max_idle = idle
|
|
max_idle_perc = idle_perc
|
|
end
|
|
end
|
|
end
|
|
|
|
local idle_type = alerts_api.slowPurgeType(max_idle, max_idle_perc, threshold)
|
|
if max_idle_perc > threshold then
|
|
alerts_api.trigger(params.alert_entity, idle_type, nil, params.cur_alerts)
|
|
else
|
|
alerts_api.release(params.alert_entity, idle_type, nil, params.cur_alerts)
|
|
end
|
|
end
|
|
|
|
-- #################################################################
|
|
|
|
local script = {
|
|
default_enabled = true,
|
|
default_value = {
|
|
-- "> 50%"
|
|
operator = "gt",
|
|
threshold = 50,
|
|
},
|
|
|
|
-- This script is only for alerts generation
|
|
is_alert = true,
|
|
|
|
hooks = {
|
|
min = check_interface_idle,
|
|
},
|
|
|
|
gui = {
|
|
i18n_title = "alerts_thresholds_config.alert_slow_purge_threshold",
|
|
i18n_description = "alerts_thresholds_config.alert_slow_purge_threshold_descr",
|
|
i18n_field_unit = user_scripts.field_units.percentage,
|
|
input_builder = "threshold_cross",
|
|
field_max = 99,
|
|
field_min = 1,
|
|
field_operator = "gt";
|
|
}
|
|
}
|
|
|
|
-- #################################################################
|
|
|
|
return script
|