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

54 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"
local 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 = getHostsConfiguredAlertThresholds(ifname, str_granularity)
-- Load the threshold checking functions
available_modules = alerts_api.load_check_modules("host")
end
-- #################################################################
-- The function below is called once per host
function checkHostAlerts(granularity)
local info = host.getFullInfo()
local host_key = info.ip.."@"..info.vlan
local host_config = config_alerts[host_key] or {}
local global_config = config_alerts["local_hosts"] or {}
local has_configured_alerts = (table.len(host_config or global_confi) > 0)
if has_configured_alerts then
for _, check in pairs(available_modules) do
local config = host_config[check.key] or global_config[check.key]
if config then
check.check_function({
granularity = granularity,
alert_entity = alerts_api.hostAlertEntity(host_key),
entity_info = info,
alert_config = config,
check_module = check,
})
end
end
end
end