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Implement layer above RRD for timeseries storage

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This commit is contained in:
emanuele-f 2018-05-24 12:49:26 +02:00
parent d161704639
commit cb56b5d5ec
12 changed files with 1038 additions and 293 deletions
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67
scripts/lua/modules/rrd_utils.lua
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@ -337,71 +337,4 @@ function interface_rrd_creation_enabled(ifId)
return not (ntop.getPref(get_interface_rrd_creation_key(ifId)) == "false")
end
-- ########################################################
local function create_rrd(name, step, ds)
step = tonumber(step)
if step == nil or step <= 1 then step = 1 end
if(not(ntop.exists(name))) then
if(enable_second_debug == 1) then io.write('Creating RRD ', name, '\n') end
local prefs = ntop.getPrefs()
ntop.rrd_create(
name,
step, -- step
'DS:' .. ds .. ':DERIVE:'.. step * 5 .. ':U:U',
'RRA:AVERAGE:0.5:1:'..tostring(prefs.intf_rrd_raw_days*24*(3600/step)), -- raw: 1 day = 86400
'RRA:AVERAGE:0.5:'..(60/step)..':'..tostring(prefs.intf_rrd_1min_days*24*60), -- 1 min resolution = 1 month
'RRA:AVERAGE:0.5:'..(3600/step)..':'..tostring(prefs.intf_rrd_1h_days*24), -- 1h resolution (3600 points) 2400 hours = 100 days
'RRA:AVERAGE:0.5:'..(86400/step)..':'..tostring(prefs.intf_rrd_1d_days) -- 1d resolution (86400 points) 365 days
-- 'RRA:HWPREDICT:1440:0.1:0.0035:20'
)
end
end
-- ########################################################
local function create_rrd_num(name, ds, step)
step = tonumber(step)
if step == nil or step <= 1 then step = 1 end
if(not(ntop.exists(name))) then
if(enable_second_debug == 1) then io.write('Creating RRD ', name, '\n') end
local prefs = ntop.getPrefs()
ntop.rrd_create(
name,
step, -- step
'DS:' .. ds .. ':GAUGE:' .. step * 5 .. ':0:U',
'RRA:AVERAGE:0.5:1:'..tostring(prefs.intf_rrd_raw_days*24*(3600/step)), -- raw: 1 day = 86400
'RRA:AVERAGE:0.5:'..(3600/step)..':'..tostring(prefs.intf_rrd_1h_days*24), -- 1h resolution (3600 points) 2400 hours = 100 days
'RRA:AVERAGE:0.5:'..(86400/step)..':'..tostring(prefs.intf_rrd_1d_days) -- 1d resolution (86400 points) 365 days
-- 'RRA:HWPREDICT:1440:0.1:0.0035:20'
)
end
end
-- ########################################################
function rrd_utils.makeRRD(basedir, when, if_id, key, rrdname, step, value)
local name = os_utils.fixPath(basedir .. "/" .. rrdname .. ".rrd")
if rrdname:find("^num_") then
create_rrd_num(name, rrdname, step)
else
create_rrd(name, step, rrdname)
end
ntop.rrd_update(name, nil, string.format("%u", value or 0))
local tskey = if_id
if(key ~= nil) then tskey = tskey ..":"..key end
ntop.tsSet(when, "iface", nil, rrdname, 0, tonumber(value))
if(step == 1 and (if_id == 0) and string.contains(name, "packets")) then
-- io.write('Updating RRD ['.. if_id..'] '.. name .. " " .. value ..'\n')
end
if(enable_second_debug) then
-- io.write('Updating RRD ['.. if_id..'] '.. name .. " " .. value ..'\n')
end
end
return rrd_utils