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e487427aab
Addresses #3720 Alerts Refactor: alert_utils as module Alerts Refactor: notify_ntopng_start and notify_ntopng_stop Alerts Refactor: processAlertNotifications Alerts Refactor: checkStoreAlertsFromC Alerts Refactor: formatAlertNotification Alerts Refactor: notification_timestamp_rev Alerts Refactor: formatAlertMessage Alerts Refactor: getConfigsetAlertLink Alerts Refactor: alertNotificationActionToLabel Alerts Refactor: flushAlertsData Alerts Refactor: disableAlertsGeneration Alerts Refactor: newAlertsWorkingStatus and other Alerts Refactor: drawAlerts Alerts Refactor: drawAlertTables Alerts Refactor: printAlertTables Alerts Refactor: checkDeleteStoredAlerts Alerts Refactor: getUnpagedAlertOptions Alerts Refactor: getTabParameters Alerts Refactor: getAlerts Alerts Refactor: getNumAlerts Alerts Refactor: performAlertsQuery Alerts Refactor: sec2granularity Alerts Refactor: granularity2id Alerts Refactor: granularity2sec Alerts Refactor: alertEngineLabel Alerts Refactor: alertEngine Alerts Refactor: alertEngineRaw Alerts Refactor: alertTypeDescription Alerts Refactor: alertType Alerts Refactor: alertTypeLabel Alerts Refactor: alertTypeRaw Alerts Refactor: alertSeverity Alerts Refactor: alertSeverityLabel Alerts Refactor: alertSeverityRaw Alerts Refactor: get_make_room_keys Alerts Refactor: enterprise_alert_utils
97 lines
3.4 KiB
Lua
97 lines
3.4 KiB
Lua
--
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-- (C) 2019-20 - 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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local alert_utils = 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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local confset_id = 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 = areSystemTimeseriesEnabled()
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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, confset_id = 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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-- NOTE: currently no deadline check is explicitly performed here.
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-- The "process:resident_memory" must always be written as it has the
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-- is_critical_ts flag set.
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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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alerts_api.invokeScriptHook(user_script, confset_id, hook_fn, {
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granularity = granularity,
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alert_entity = alerts_api.interfaceAlertEntity(getSystemInterfaceId()),
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user_script_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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