ntopng/scripts/lua/modules/alert_definitions/alert_iec104_error.lua
2020-09-16 23:24:40 +02:00

62 lines
2 KiB
Lua

--
-- (C) 2019-20 - ntop.org
--
local alert_keys = require "alert_keys"
local format_utils = require "format_utils"
local json = require("dkjson")
-- #######################################################
-- @brief Prepare an alert table used to generate the alert
-- @param alert_severity A severity as defined in `alert_consts.alert_severities`
-- @param alert_granularity A granularity as defined in `alert_consts.alerts_granularities`
-- @param last_error A string with the lastest influxdb error
-- @return A table with the alert built
local function createIEC104Error(alert_severity, alert_granularity, alert_subtype, last_error)
local threshold_type = {
alert_severity = alert_severity,
alert_subtype = alert_subtype,
alert_granularity = alert_granularity,
alert_type_params = {
error_msg = last_error
},
}
return threshold_type
end
-- #######################################################
local function formatIEC104ErrorMessage(ifid, alert, status)
local msg = json.decode(status.error_msg)
local vlanId = alert.vlanId or 0
local client = ip2label(msg.client.ip, msg.vlanId)
local server = ip2label(msg.server.ip, msg.vlanId)
local rsp = format_utils.formatEpoch(msg.timestamp)..": " ..
"<A HREF=\""..hostinfo2detailsurl(client) .."\">".. msg.client.ip .."</A>"..
" <i class=\"fas fa-exchange-alt fa-lg\" aria-hidden=\"true\" data-original-title=\"\" title=\"\"></i>" ..
"<A HREF=\""..hostinfo2detailsurl(server) .."\">".. msg.server.ip .."</A>"..
" [CauseTX: "..msg.cause_tx.."][TypeId: "..msg.type_id.."][ASDU: ".. msg.asdu.."][Negative: "
if(msg.negatiive == false) then
rsp = rsp .. "True]"
else
rsp = rsp .. "False]"
end
-- tprint(rsp)
return(rsp)
end
-- #######################################################
return {
alert_key = alert_keys.ntopng.alert_iec104_error,
i18n_title = "alerts_dashboard.iec104_error",
i18n_description = formatIEC104ErrorMessage,
icon = "fas fa-subway",
creator = createIEC104Error,
}