mirror of
https://github.com/ntop/ntopng.git
synced 2026-04-30 07:59:35 +00:00
68 lines
1.7 KiB
Lua
68 lines
1.7 KiB
Lua
--
|
|
-- (C) 2019-22 - ntop.org
|
|
--
|
|
|
|
local alerts_api = require("alerts_api")
|
|
local checks = require("checks")
|
|
local alert_consts = require("alert_consts")
|
|
|
|
local script
|
|
|
|
-- #################################################################
|
|
|
|
local function check_interface_drops(params)
|
|
local alert_consts = require "alert_consts"
|
|
local info = params.entity_info
|
|
local stats = info.stats_since_reset
|
|
local threshold = tonumber(params.check_config.threshold)
|
|
local drop_perc = math.min(stats.drops * 100.0 / (stats.drops + stats.packets + 1), 100)
|
|
|
|
local alert = alert_consts.alert_types.alert_too_many_drops.new(
|
|
stats.drops,
|
|
drop_perc,
|
|
threshold
|
|
)
|
|
|
|
alert:set_score_error()
|
|
alert:set_subtype(getInterfaceName(interface.getId()))
|
|
alert:set_granularity(params.granularity)
|
|
|
|
if((stats.packets > 100) and (drop_perc > threshold)) then
|
|
alert:trigger(params.alert_entity, nil, params.cur_alerts)
|
|
else
|
|
alert:release(params.alert_entity, nil, params.cur_alerts)
|
|
end
|
|
end
|
|
|
|
-- #################################################################
|
|
|
|
script = {
|
|
-- Script category
|
|
category = checks.check_categories.system,
|
|
|
|
default_enabled = true,
|
|
default_value = {
|
|
-- "> 5%"
|
|
operator = "gt",
|
|
threshold = 5,
|
|
},
|
|
|
|
|
|
hooks = {
|
|
min = check_interface_drops,
|
|
},
|
|
|
|
gui = {
|
|
i18n_title = "show_alerts.interface_drops_threshold",
|
|
i18n_description = "show_alerts.interface_drops_threshold_descr",
|
|
i18n_field_unit = checks.field_units.percentage,
|
|
input_builder = "threshold_cross",
|
|
field_max = 99,
|
|
field_min = 1,
|
|
field_operator = "gt";
|
|
}
|
|
}
|
|
|
|
-- #################################################################
|
|
|
|
return script
|