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70 lines
1.8 KiB
Lua
70 lines
1.8 KiB
Lua
--
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-- (C) 2019-22 - 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 checks = require("checks")
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local script = {
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-- Script category
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category = checks.check_categories.network,
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default_enabled = false,
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default_value = {
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-- "> 5%"
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operator = "gt",
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threshold = 80,
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},
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-- See below
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hooks = {},
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gui = {
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i18n_title = "alerts_thresholds_config.throughput",
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i18n_description = "alerts_thresholds_config.alert_throughput_description",
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i18n_field_unit = checks.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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function script.hooks.min(params)
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local interface_bytes = params.entity_info["stats"]["bytes"]
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local interface_speed = params.entity_info["speed"]
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local perc_threshold = tonumber(params.check_config.threshold)
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local threshold = interface_speed * (perc_threshold / 100)
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-- Delta
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local value = alerts_api.interface_delta_val(script.key, params.granularity, interface_bytes)
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-- Granularity
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value = value / alert_consts.granularity2sec(params.granularity)
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-- Bytes to Mbit, the Interface speed is in Mbit
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value = (value * 8) / 1000000
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local alert = alert_consts.alert_types.alert_threshold_cross.new(
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params.check.key,
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value,
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params.check_config.operator,
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threshold
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)
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alert:set_score_error()
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alert:set_subtype(params.entity_info["name"])
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alert:set_granularity(params.granularity)
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if(value > threshold) then
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alert:trigger(params.alert_entity, nil, params.cur_alerts)
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else
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alert:release(params.alert_entity, nil, params.cur_alerts)
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end
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end
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-- #################################################################
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return script
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