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https://github.com/ntop/ntopng.git
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92 lines
2.4 KiB
Lua
92 lines
2.4 KiB
Lua
--
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-- (C) 2013-18 - 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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if ntop.isPro() then
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package.path = dirs.installdir .. "/pro/scripts/lua/modules/?.lua;" .. package.path
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end
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require "lua_utils"
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require "graph_utils"
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local ts_utils = require("ts_utils")
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local json = require("dkjson")
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local schema_id = _GET["ts_schema"]
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local query = _GET["ts_query"]
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local tstart = tonumber(_GET["epoch_begin"]) or (os.time() - 3600)
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local tend = tonumber(_GET["epoch_end"]) or os.time()
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local compare_backward = _GET["ts_compare"]
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-- convert the query into fields
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local tags = tsQueryToTags(_GET["ts_query"])
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if tags.ifid then
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interface.select(tags.ifid)
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end
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sendHTTPHeader('application/json')
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local function performQuery(tstart, tend, keep_total)
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local res
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if starts(schema_id, "top:") then
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local schema_id = split(schema_id, "top:")[2]
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res = ts_utils.queryTopk(schema_id, tags, tstart, tend)
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else
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res = ts_utils.query(schema_id, tags, tstart, tend)
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if(not keep_total) and (res) and (res.additional_series) then
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-- no need for total serie in normal queries
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res.additional_series.total = nil
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end
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end
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return res
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end
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local res = performQuery(tstart, tend)
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if res == nil then
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print("[]")
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return
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end
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if not isEmptyString(compare_backward) then
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local backward_sec = getZoomDuration(compare_backward)
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local tstart_cmp = tstart - backward_sec
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local tend_cmp = tend - backward_sec
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local res_cmp = performQuery(tstart_cmp, tend_cmp, true)
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if res_cmp and res_cmp.additional_series and res_cmp.additional_series.total then
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res.additional_series = res.additional_series or {}
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res.additional_series[compare_backward.. " " ..i18n("details.ago")] = res_cmp.additional_series.total
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end
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end
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-- TODO make a script parameter?
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local extend_labels = true
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if extend_labels then
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local tags = res.series and res.series[1] and res.series[1].tags
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if tags then
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if tags.if_index and tags.device then
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-- SNMP port name
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local snmp_device = require "snmp_device"
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snmp_device.init(tags.device)
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for _, serie in pairs(res.series) do
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local interfaces = snmp_device.get_device()["interfaces"]
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local label = shortenString(get_snmp_interface_label(interfaces[serie.tags.if_index]))
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serie.ext_label = label
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end
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end
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end
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end
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print(json.encode(res))
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