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d037f9a9a4
The user scripts configuration can now be configured from the "User Scripts" entry under the cog icon. It allows the creation of multiple configuration presets to be applied to hosts, networks and interfaces.
91 lines
3.1 KiB
Lua
91 lines
3.1 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 user_scripts = require("user_scripts")
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local alert_consts = require("alert_consts")
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local do_benchmark = true -- Compute benchmarks and store their results
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local do_print_benchmark = false -- Print benchmarks results to standard output
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local do_trace = false -- Trace lua calls
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local available_modules = nil
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local system_ts_enabled = nil
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local system_config = nil
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-- #################################################################
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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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interface.select(getSystemInterfaceId())
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ifid = interface.getId()
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local ifname = getInterfaceName(tostring(ifid))
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system_ts_enabled = (ntop.getPref("ntopng.prefs.system_probes_timeseries") ~= "0")
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-- Load the threshold checking functions
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available_modules = user_scripts.load(ifid, user_scripts.script_types.system, "system", {
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hook_filter = str_granularity,
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do_benchmark = do_benchmark,
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})
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local configsets = user_scripts.getConfigsets("system")
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system_config = user_scripts.getDefaultConfig(configsets, "system")
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end
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-- #################################################################
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-- The function below ia called once (#pragma once)
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function teardown(str_granularity)
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if(do_trace) then print("alert.lua:teardown("..str_granularity..") called\n") end
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user_scripts.teardown(available_modules, do_benchmark, do_print_benchmark)
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end
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-- #################################################################
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-- The function below is called once
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function runScripts(granularity)
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if table.empty(available_modules.hooks[granularity]) then
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if(do_trace) then print("system:runScripts("..granularity.."): no modules, skipping\n") end
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return
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end
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local granularity_id = alert_consts.alerts_granularities[granularity].granularity_id
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local suppressed_alerts = false
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local when = os.time()
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--~ local cur_alerts = host.getAlerts(granularity_id)
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for mod_key, hook_fn in pairs(available_modules.hooks[granularity]) do
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local user_script = available_modules.modules[mod_key]
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local conf = user_scripts.getTargetHookConfig(system_config, user_script, granularity)
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if(conf.enabled) then
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if((not user_script.is_alert) or (not suppressed_alerts)) then
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hook_fn({
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granularity = granularity,
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alert_config = conf.script_conf,
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user_script = user_script,
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when = when,
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ts_enabled = system_ts_enabled,
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--cur_alerts = cur_alerts
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})
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end
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end
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end
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-- cur_alerts now contains unprocessed triggered alerts, that is,
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-- those alerts triggered but then disabled or unconfigured (e.g., when
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-- the user removes a threshold from the gui)
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--~ if #cur_alerts > 0 then
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--~ alerts_api.releaseEntityAlerts(entity_info, cur_alerts)
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--~ end
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end
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