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5e40e47cce
This is necessary to handle the case where a previously configured alert config is deleted
67 lines
2.2 KiB
Lua
67 lines
2.2 KiB
Lua
--
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-- (C) 2019 - ntop.org
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--
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local dirs = ntop.getDirs()
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package.path = dirs.installdir .. "/scripts/lua/modules/?.lua;" .. package.path
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require "lua_utils"
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require "alert_utils"
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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 do_trace = false
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local config_alerts = nil
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local ifname = nil
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local available_modules = nil
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-- The function below ia called once (#pragma once)
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function setup(str_granularity)
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if(do_trace) then print("alert.lua:setup("..str_granularity..") called\n") end
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ifname = interface.setActiveInterfaceId(tonumber(interface.getId()))
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config_alerts = getInterfaceConfiguredAlertThresholds(ifname, str_granularity)
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-- Load the threshold checking functions
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available_modules = alerts_api.load_check_modules("interface", str_granularity)
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end
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-- #################################################################
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-- The function below is called once
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function checkInterfaceAlerts(granularity)
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local info = interface.getStats()
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local ifid = interface.getId()
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local interface_key = "iface_"..ifid
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local interface_config = config_alerts[interface_key] or {}
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local global_config = config_alerts["interfaces"] or {}
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local has_configured_alerts = (table.len(interface_config or global_config) > 0)
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local entity_info = alerts_api.interfaceAlertEntity(ifid)
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if(do_trace) then print("checkInterfaceAlerts()\n") end
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if(has_configured_alerts) then
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for _, check in pairs(available_modules) do
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local config = interface_config[check.key] or global_config[check.key]
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if config then
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check.check_function({
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granularity = granularity,
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alert_entity = entity_info,
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entity_info = info,
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alert_config = config,
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check_module = check,
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})
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end
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end
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end
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for alert in pairs(interface.getExpiredAlerts(granularity2id(granularity))) do
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local alert_type, alert_subtype = alerts_api.triggerIdToAlertType(alert)
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alerts_api.new_release(entity_info, {
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alert_type = alert_consts.alert_types[alertTypeRaw(alert_type)],
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alert_subtype = alert_subtype,
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alert_granularity = alert_consts.alerts_granularities[granularity],
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})
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end
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end
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