ntopng/scripts/callbacks/interface/alerts/network.lua
2019-07-12 12:53:09 +02:00

57 lines
1.7 KiB
Lua

--
-- (C) 2019 - ntop.org
--
local dirs = ntop.getDirs()
package.path = dirs.installdir .. "/scripts/lua/modules/?.lua;" .. package.path
require "lua_utils"
require "alert_utils"
alerts_api = require("alerts_api")
local do_trace = false
local config_alerts = nil
local ifname = nil
local available_modules = nil
-- The function below ia called once (#pragma once)
function setup(str_granularity)
if do_trace then print("alert.lua:setup("..str_granularity..") called\n") end
ifname = interface.setActiveInterfaceId(tonumber(interface.getId()))
config_alerts = getNetworksConfiguredAlertThresholds(ifname, str_granularity)
-- Load the threshold checking functions
available_modules = alerts_api.load_check_modules("network")
end
-- #################################################################
-- The function below is called once per local network
function checkNetworkAlerts(granularity)
local info = network.getNetworkStats()
local network_key = info and info.network_key
if not network_key then
return
end
local network_config = config_alerts[network_key] or {}
local global_config = config_alerts["local_networks"] or {}
local has_configured_alerts = (table.len(network_config or global_config) > 0)
if(has_configured_alerts) then
for _, check in pairs(available_modules) do
local config = network_config[check.key] or global_config[check.key]
if config then
check.check_function({
granularity = granularity,
alert_entity = alerts_api.networkAlertEntity(network_key),
entity_info = info,
alert_config = config,
check_module = check,
})
end
end
end
end