mirror of
https://github.com/ntop/ntopng.git
synced 2026-05-01 00:19:33 +00:00
95 lines
3.3 KiB
Lua
95 lines
3.3 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 user_scripts = require("user_scripts")
|
|
local alert_consts = require("alert_consts")
|
|
|
|
local do_benchmark = true -- Compute benchmarks and store their results
|
|
local do_print_benchmark = false -- Print benchmarks results to standard output
|
|
local do_trace = false -- Trace lua calls
|
|
|
|
local config_alerts = nil
|
|
local ifid = 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
|
|
ifid = interface.getId()
|
|
local ifname = interface.setActiveInterfaceId(ifid)
|
|
|
|
-- Load the check modules
|
|
available_modules = user_scripts.load(user_scripts.script_types.traffic_element, ifid, "interface", str_granularity, nil, do_benchmark)
|
|
|
|
config_alerts = getInterfaceConfiguredAlertThresholds(ifname, str_granularity, available_modules.modules)
|
|
end
|
|
|
|
-- #################################################################
|
|
|
|
-- The function below ia called once (#pragma once)
|
|
function teardown(str_granularity)
|
|
if(do_trace) then print("alert.lua:teardown("..str_granularity..") called\n") end
|
|
|
|
user_scripts.teardown(available_modules, do_benchmark, do_print_benchmark)
|
|
end
|
|
|
|
-- #################################################################
|
|
|
|
-- The function below is called once
|
|
function checkAlerts(granularity)
|
|
if table.empty(available_modules.hooks[granularity]) then
|
|
if(do_trace) then print("interface:checkAlerts("..granularity.."): no modules, skipping\n") end
|
|
return
|
|
end
|
|
|
|
local suppressed_alerts = interface.hasAlertsSuppressed()
|
|
|
|
if suppressed_alerts then
|
|
releaseAlerts(granularity)
|
|
end
|
|
|
|
local info = interface.getStats()
|
|
local ifid = interface.getId()
|
|
local interface_key = "iface_"..ifid
|
|
local interface_config = config_alerts[interface_key] or {}
|
|
local global_config = config_alerts["interfaces"] or {}
|
|
local has_configuration = (table.len(interface_config) or table.len(global_config))
|
|
local entity_info = alerts_api.interfaceAlertEntity(ifid)
|
|
|
|
if(do_trace) then print("checkInterfaceAlerts()\n") end
|
|
|
|
if(has_configuration) then
|
|
for mod_key, hook_fn in pairs(available_modules.hooks[granularity]) do
|
|
local check = available_modules.modules[mod_key]
|
|
local config = interface_config[check.key] or global_config[check.key]
|
|
|
|
if((config or check.always_enabled) and (not check.is_alert or not suppressed_alerts)) then
|
|
hook_fn({
|
|
granularity = granularity,
|
|
alert_entity = entity_info,
|
|
entity_info = info,
|
|
alert_config = config,
|
|
check_module = check,
|
|
})
|
|
end
|
|
end
|
|
end
|
|
|
|
alerts_api.releaseEntityAlerts(entity_info, interface.getExpiredAlerts(granularity2id(granularity)))
|
|
end
|
|
|
|
-- #################################################################
|
|
|
|
function releaseAlerts(granularity)
|
|
local ifid = interface.getId()
|
|
local entity_info = alerts_api.interfaceAlertEntity(ifid)
|
|
|
|
alerts_api.releaseEntityAlerts(entity_info, interface.getAlerts(granularity))
|
|
end
|