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103 lines
3.1 KiB
Lua
103 lines
3.1 KiB
Lua
--
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-- (C) 2020 - ntop.org
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--
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-- This file contains the user_script constats
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local periodic_activities_utils = {}
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local ts_utils = require "ts_utils_core"
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-- ###########################################
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periodic_activities_utils.periodic_activities = {
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-- Script -> max_duration sec
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["stats_update.lua"] = { periodicity = 5, },
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["ht_state_update.lua"] = { periodicity = 5, },
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["minute.lua"] = { periodicity = 60, },
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["5min.lua"] = { periodicity = 300, },
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["hourly.lua"] = { periodicity = 3600, },
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["daily.lua"] = { periodicity = 86400, },
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["housekeeping.lua"] = { periodicity = 3, },
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["discover.lua"] = { periodicity = 5, },
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["timeseries.lua"] = { periodicity = 5, },
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["second.lua"] = { periodicity = 1, },
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}
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-- ###########################################
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periodic_activities_utils.periodic_activity_issues = {
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["not_executed"] =
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{
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i18n_title = "internals.script_not_executed",
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i18n_descr = "internals.script_not_executed_descr"
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},
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["is_slow"] =
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{
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i18n_title = "internals.script_deadline_exceeded",
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i18n_descr = "internals.script_deadline_exceeded_descr",
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},
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["timeseries_slow"] =
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{
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i18n_title = "internals.slow_timeseries_writes",
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i18n_descr = "internals.slow_timeseries_writes_descr"
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},
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["alerts_drops"] =
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{
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i18n_title = "internals.alert_drops",
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i18n_descr = "internals.alert_drops_descr"
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},
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}
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if ts_utils.getDriverName() ~= "rrd" then
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-- No rrd issues when driver is not RRD
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periodic_activities_utils.periodic_activity_issues["timeseries_slow"] = nil
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end
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-- ###########################################
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-- ###########################################
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-- Returns true when at least one of the interfaces (system interface included)
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-- has issues with one of its periodic activities
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local function stats_have_degraded_performance(stats)
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for ps_name, ps_stats in pairs(stats) do
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-- The activity is slow if it has been executing for too long,
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-- if it has been waiting in the queue for too long (no available threads)
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-- of if the RRD writes are slow
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for k in pairs(periodic_activities_utils.periodic_activity_issues) do
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if ps_stats[k] then
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return true
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end
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end
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end
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end
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-- ###########################################
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-- Check if any of the executing periodic activities is slow and showing
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-- degraded performance
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function periodic_activities_utils.have_degraded_performance()
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local cur_ifid = tostring(interface.getId())
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local res = false
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local available_interfaces = interface.getIfNames()
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-- Add the system interface id
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available_interfaces[getSystemInterfaceId()] = getSystemInterfaceName()
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for _, iface in pairs(available_interfaces) do
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interface.select(iface)
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if stats_have_degraded_performance(interface.getPeriodicActivitiesStats()) then
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res = true
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break
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end
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end
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-- Restore the original id and return
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interface.select(cur_ifid)
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return res
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end
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-- ###########################################
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return periodic_activities_utils
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