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110 lines
3.2 KiB
Lua
110 lines
3.2 KiB
Lua
--
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-- (C) 2019-22 - 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 json = require("dkjson")
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local script_manager = require("script_manager")
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local am_utils = require "am_utils"
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sendHTTPContentTypeHeader('application/json')
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local charts_available = script_manager.systemTimeseriesEnabled()
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-- ################################################
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local am_hosts = am_utils.getHosts()
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local res = {}
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for key, am_host in pairs(am_hosts) do
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local chart = ""
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local m_info = am_utils.getMeasurementInfo(am_host.measurement)
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local hourly_stats, availability = am_utils.getAvailability(am_host.host, am_host.measurement)
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if not m_info then
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goto continue
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end
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if charts_available then
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chart = script_manager.getMonitorUrl('active_monitoring_monitor.lua') .. '?am_host='.. am_host.host ..'&measurement='.. am_host.measurement ..'&page=historical'
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end
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local column_last_ip = ""
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local column_last_update = ""
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local column_last_value = ""
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local column_jitter = ""
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local column_ifname = ""
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local last_update = am_utils.getLastAmUpdate(am_host.host, am_host.measurement)
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local alerted = 0
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if am_host.measurement == 'icmp' or am_host.measurement == 'cicmp' then
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column_ifname = am_host.ifname or ""
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end
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if(last_update ~= nil) then
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column_last_update = last_update.when
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column_last_value = last_update.value
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column_last_ip = last_update.ip
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end
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column_last_value = tonumber(column_last_value)
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if(column_last_value == nil) then
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chart = ""
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end
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if am_utils.hasAlerts(am_host) then
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alerted = 1
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else
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alerted = 0
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end
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if last_update and last_update.jitter and last_update.mean and (last_update.jitter > 0 or last_update.mean > 0) then
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local jitter_unit = ""
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if m_info.i18n_jitter_unit then
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jitter_unit = i18n(m_info.i18n_jitter_unit) or m_info.i18n_jitter_unit or ""
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end
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column_jitter = string.format("%.1f / %.1f %s", last_update.mean, last_update.jitter, jitter_unit)
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end
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local html_label = am_utils.formatAmHost(am_host.host, am_host.measurement, true)
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if(column_ifname ~= "") then
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html_label = html_label .. " [ <span class=\"fas fa-ethernet\"></span> "..column_ifname.." ]"
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end
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res[#res + 1] = {
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key = key,
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label = am_host.label,
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html_label = html_label,
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host = am_host.host,
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alerted = alerted,
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measurement = i18n(m_info.i18n_label),
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measurement_key = am_host.measurement,
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chart = chart,
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threshold = am_host.threshold,
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last_measure = column_last_value or "",
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value_js_formatter = m_info.value_js_formatter,
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last_mesurement_time = column_last_update,
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last_ip = column_last_ip,
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ifname = column_ifname,
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granularity = am_host.granularity,
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availability = availability or "",
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hours = hourly_stats or {},
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unit = i18n(m_info.i18n_unit) or m_info.i18n_unit,
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jitter = column_jitter,
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readonly = am_host.readonly
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}
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::continue::
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end
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-- ################################################
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print(json.encode(res))
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