ntopng/scripts/callbacks/5min.lua
2017-03-28 00:26:23 +02:00

395 lines
17 KiB
Lua

--
-- (C) 2013-17 - ntop.org
--
dirs = ntop.getDirs()
package.path = dirs.installdir .. "/scripts/lua/modules/?.lua;" .. package.path
if (ntop.isPro()) then
package.path = dirs.installdir .. "/pro/scripts/callbacks/?.lua;" .. package.path
require("5min")
package.path = dirs.installdir .. "/pro/scripts/lua/modules/?.lua;" .. package.path
require "snmp_utils"
end
require "lua_utils"
require "graph_utils"
require "alert_utils"
local host_pools_utils = require "host_pools_utils"
local callback_utils = require "callback_utils"
local when = os.time()
local verbose = ntop.verboseTrace()
-- We must complete within the 5 minutes
local time_threshold = when - (when % 300) + 300 - 10 -- safe margin
-- ########################################################
local host_rrd_creation = ntop.getCache("ntopng.prefs.host_rrd_creation")
local host_ndpi_rrd_creation = ntop.getCache("ntopng.prefs.host_ndpi_rrd_creation")
local host_categories_rrd_creation = ntop.getCache("ntopng.prefs.host_categories_rrd_creation")
local flow_devices_rrd_creation = ntop.getCache("ntopng.prefs.flow_device_port_rrd_creation")
local host_pools_rrd_creation = ntop.getCache("ntopng.prefs.host_pools_rrd_creation")
local snmp_devices_rrd_creation = ntop.getCache("ntopng.prefs.snmp_devices_rrd_creation")
local asn_rrd_creation = ntop.getCache("ntopng.prefs.asn_rrd_creation")
if(tostring(flow_devices_rrd_creation) == "1" and ntop.isEnterprise() == false) then
flow_devices_rrd_creation = "0"
end
if(tostring(snmp_devices_rrd_creation) == "1" and ntop.isEnterprise() == false) then
snmp_devices_rrd_creation = "0"
end
local ifnames = interface.getIfNames()
local prefs = ntop.getPrefs()
-- Scan "5 minute" alerts
callback_utils.foreachInterface(ifnames, verbose, function(ifname, ifstats)
scanAlerts("5mins", ifname)
end)
-- ########################################################
callback_utils.foreachInterface(ifnames, verbose, function(_ifname, ifstats)
basedir = fixPath(dirs.workingdir .. "/" .. ifstats.id .. "/rrd")
for k in pairs(ifstats["ndpi"]) do
v = ifstats["ndpi"][k]["bytes.sent"]+ifstats["ndpi"][k]["bytes.rcvd"]
if(verbose) then print("["..__FILE__()..":"..__LINE__().."] ".._ifname..": "..k.."="..v.."\n") end
name = fixPath(basedir .. "/"..k..".rrd")
createSingleRRDcounter(name, 300, verbose)
ntop.rrd_update(name, "N:".. tolongint(v))
end
if (not ntop.exists(fixPath(basedir.."/localstats/"))) then
if(verbose) then print("\n["..__FILE__()..":"..__LINE__().."] Creating localstats directory ", fixPath(basedir.."/localstats"), '\n') end
ntop.mkdir(fixPath(basedir.."/localstats/"))
end
-- IN/OUT counters
if (ifstats["localstats"]["bytes"]["local2remote"] > 0) then
name = fixPath(basedir .. "/localstats/local2remote.rrd")
createSingleRRDcounter(name, 300, verbose)
ntop.rrd_update(name, "N:"..tolongint(ifstats["localstats"]["bytes"]["local2remote"]))
if (verbose) then print("\n["..__FILE__()..":"..__LINE__().."] Updating RRD [".. ifstats.name .."] "..name..'\n') end
end
if (ifstats["localstats"]["bytes"]["remote2local"] > 0) then
name = fixPath(basedir .. "/localstats/remote2local.rrd")
createSingleRRDcounter(name, 300, verbose)
ntop.rrd_update(name, "N:"..tolongint(ifstats["localstats"]["bytes"]["remote2local"]))
if (verbose) then print("\n["..__FILE__()..":"..__LINE__().."] Updating RRD [".. ifstats.name .."] "..name..'\n') end
end
-- Save hosts stats
if((host_rrd_creation ~= "0") or (asn_rrd_creation ~= "0")) then
local networks_aggr = {}
local vlans_aggr = {}
local asn_aggr = {}
local in_time = callback_utils.foreachHost(_ifname, verbose, function (hostname, host, hostbase)
-- Aggregate ASN
local host_asn = host["asn"]
if ((not isEmptyString(host_asn)) and (tonumber(host_asn) ~= 0)) then
asn_aggr[host_asn] = asn_aggr[host_asn] or {}
asn_aggr[host_asn]["bytes.sent"] = (asn_aggr[host_asn]["bytes.sent"] or 0) + host["bytes.sent"]
asn_aggr[host_asn]["bytes.rcvd"] = (asn_aggr[host_asn]["bytes.rcvd"] or 0) + host["bytes.rcvd"]
asn_aggr[host_asn]["ndpi"] = asn_aggr[host_asn]["ndpi"] or {}
for k in pairs(host["ndpi"]) do
asn_aggr[host_asn]["ndpi"][k] = asn_aggr[host_asn]["ndpi"][k] or {}
asn_aggr[host_asn]["ndpi"][k]["bytes.sent"] = (asn_aggr[host_asn]["ndpi"][k]["bytes.sent"] or 0) + host["ndpi"][k]["bytes.sent"]
asn_aggr[host_asn]["ndpi"][k]["bytes.rcvd"] = (asn_aggr[host_asn]["ndpi"][k]["bytes.rcvd"] or 0) + host["ndpi"][k]["bytes.rcvd"]
end
end
if host_rrd_creation ~= "1" then
-- only ASN enabled
return
end
-- Aggregate VLAN stats
local host_vlan = host["vlan"]
if host_vlan ~= nil and host_vlan ~= 0 then
if vlans_aggr[host_vlan] == nil then
vlans_aggr[host_vlan] = {}
end
if vlans_aggr[host_vlan]["bytes.sent"] == nil then
vlans_aggr[host_vlan]["bytes.sent"] = host["bytes.sent"]
vlans_aggr[host_vlan]["bytes.rcvd"] = host["bytes.rcvd"]
else
vlans_aggr[host_vlan]["bytes.sent"] = vlans_aggr[host_vlan]["bytes.sent"] + host["bytes.sent"]
vlans_aggr[host_vlan]["bytes.rcvd"] = vlans_aggr[host_vlan]["bytes.rcvd"] + host["bytes.rcvd"]
end
end
if(host.localhost) then
if host_categories_rrd_creation ~= "0" and not ntop.exists(fixPath(hostbase.."/categories")) then
ntop.mkdir(fixPath(hostbase.."/categories"))
end
-- Aggregate network stats
local network_name = host["local_network_name"]
--io.write("==> Adding "..network_name.."\n")
if (networks_aggr[network_name] == nil) then
networks_aggr[network_name] = {}
end
if (networks_aggr[network_name]["bytes.sent"] == nil) then
networks_aggr[network_name]["bytes.sent"] = host["bytes.sent"]
networks_aggr[network_name]["bytes.rcvd"] = host["bytes.rcvd"]
else
networks_aggr[network_name]["bytes.sent"] = networks_aggr[network_name]["bytes.sent"] + host["bytes.sent"]
networks_aggr[network_name]["bytes.rcvd"] = networks_aggr[network_name]["bytes.rcvd"] + host["bytes.rcvd"]
end
-- Traffic stats
local name = fixPath(hostbase .. "/bytes.rrd")
createRRDcounter(name, 300, verbose)
ntop.rrd_update(name, "N:"..tolongint(host["bytes.sent"]) .. ":" .. tolongint(host["bytes.rcvd"]))
if(verbose) then
print("\n["..__FILE__()..":"..__LINE__().."] Updating RRD [".. ifstats.name .."] "..name..'\n')
end
-- L4 Protocols
for id, _ in ipairs(l4_keys) do
k = l4_keys[id][2]
if((host[k..".bytes.sent"] ~= nil) and (host[k..".bytes.rcvd"] ~= nil)) then
if(verbose) then print("["..__FILE__()..":"..__LINE__().."]\t"..k.."\n") end
name = fixPath(hostbase .. "/".. k .. ".rrd")
createRRDcounter(name, 300, verbose)
-- io.write(name.."="..host[k..".bytes.sent"].."|".. host[k..".bytes.rcvd"] .. "\n")
ntop.rrd_update(name, "N:".. tolongint(host[k..".bytes.sent"]) .. ":" .. tolongint(host[k..".bytes.rcvd"]))
if(verbose) then print("\n["..__FILE__()..":"..__LINE__().."] Updating RRD [".. ifstats.name .."] "..name..'\n') end
else
-- L2 host
--io.write("Discarding "..k.."@"..hostname.."\n")
end
end
if(host_ndpi_rrd_creation ~= "0") then
-- nDPI Protocols
for k in pairs(host["ndpi"]) do
name = fixPath(hostbase .. "/".. k .. ".rrd")
createRRDcounter(name, 300, verbose)
ntop.rrd_update(name, "N:".. tolongint(host["ndpi"][k]["bytes.sent"]) .. ":" .. tolongint(host["ndpi"][k]["bytes.rcvd"]))
-- Aggregate network NDPI stats
if (networks_aggr[network_name]["ndpi"] == nil) then
networks_aggr[network_name]["ndpi"] = {}
end
if (networks_aggr[network_name]["ndpi"][k] == nil) then
networks_aggr[network_name]["ndpi"][k] = {}
end
if (networks_aggr[network_name]["ndpi"][k]["bytes.sent"] == nil) then
networks_aggr[network_name]["ndpi"][k]["bytes.sent"] = host["ndpi"][k]["bytes.sent"]
else
networks_aggr[network_name]["ndpi"][k]["bytes.sent"] =
networks_aggr[network_name]["ndpi"][k]["bytes.sent"] +
host["ndpi"][k]["bytes.sent"]
end
if (networks_aggr[network_name]["ndpi"][k]["bytes.rcvd"] == nil) then
networks_aggr[network_name]["ndpi"][k]["bytes.rcvd"] = host["ndpi"][k]["bytes.rcvd"]
else
networks_aggr[network_name]["ndpi"][k]["bytes.rcvd"] =
networks_aggr[network_name]["ndpi"][k]["bytes.rcvd"] +
host["ndpi"][k]["bytes.rcvd"]
end
if(verbose) then print("\n["..__FILE__()..":"..__LINE__().."] Updating RRD [".. ifstats.name .."] "..name..'\n') end
end
if(host_categories_rrd_creation ~= "0") then
if host["categories"] ~= nil then
if networks_aggr[network_name]["categories"] == nil then
networks_aggr[network_name]["categories"] = {}
end
for _cat_name, cat_bytes in pairs(host["categories"]) do
cat_name = getCategoryLabel(_cat_name)
-- io.write('cat_name: '..cat_name..' cat_bytes:'..tostring(cat_bytes)..'\n')
name = fixPath(hostbase.."/categories/"..cat_name..".rrd")
createSingleRRDcounter(name, 300, verbose)
ntop.rrd_update(name, "N:".. tolongint(cat_bytes))
if networks_aggr[network_name]["categories"][cat_name] == nil then
networks_aggr[network_name]["categories"][cat_name] = cat_bytes
else
networks_aggr[network_name]["categories"][cat_name] =
networks_aggr[network_name]["categories"][cat_name] + cat_bytes
end
end
end
end
if(host["epp"]) then dumpSingleTreeCounters(hostbase, "epp", host, verbose) end
if(host["dns"]) then dumpSingleTreeCounters(hostbase, "dns", host, verbose) end
end
else
-- print("ERROR: ["..__FILE__()..":"..__LINE__().."] Skipping non local host "..hostname.."\n")
end
end, time_threshold) -- end foreachHost
if not in_time then
callback_utils.print(__FILE__(), __LINE__(), "ERROR: Cannot complete local hosts RRD dump in 5 minutes. Please check your RRD configuration.")
return false
end
-- create RRD for ASN
if asn_rrd_creation ~= "0" then
local basedir = fixPath(dirs.workingdir .. "/" .. ifstats.id..'/asnstats')
for asn_id, asn_stats in pairs(asn_aggr) do
local asnpath = fixPath(basedir.. "/" .. asn_id)
if not ntop.exists(asnpath) then
ntop.mkdir(asnpath)
end
-- Save ASN bytes
local asn_bytes_rrd = fixPath(asnpath .. "/bytes.rrd")
createRRDcounter(asn_bytes_rrd, 300, false)
ntop.rrd_update(asn_bytes_rrd, "N:"..tolongint(asn_stats["bytes.sent"]) .. ":" .. tolongint(asn_stats["bytes.rcvd"]))
-- Save ASN ndpi stats
if asn_stats["ndpi"] ~= nil then
for proto_name, proto_stats in pairs(asn_stats["ndpi"]) do
local asn_ndpi_rrd = fixPath(asnpath.."/"..proto_name..".rrd")
createRRDcounter(asn_ndpi_rrd, 300, verbose)
ntop.rrd_update(asn_ndpi_rrd, "N:"..tolongint(proto_stats["bytes.sent"])..":"..tolongint(proto_stats["bytes.rcvd"]))
end
end
end
end
if host_rrd_creation ~= "1" then
-- only ASN enabled
return
end
-- create RRD for vlans
local basedir = fixPath(dirs.workingdir .. "/" .. ifstats.id..'/vlanstats')
for vlan_id, vlan_stats in pairs(vlans_aggr) do
local vlanpath = getPathFromKey(vlan_id)
vlanpath = fixPath(basedir.. "/" .. vlanpath)
if not ntop.exists(vlanpath) then
ntop.mkdir(vlanpath)
end
vlanpath = fixPath(vlanpath .. "/bytes.rrd")
createRRDcounter(vlanpath, 300, false)
ntop.rrd_update(vlanpath, "N:"..tolongint(vlan_stats["bytes.sent"]) .. ":" .. tolongint(vlan_stats["bytes.rcvd"]))
end
--- Create RRD for networks
for n,m in pairs(networks_aggr) do
local netname = getPathFromKey(n)
local base = dirs.workingdir .. "/" .. ifstats.id .. "/rrd/".. netname
base = fixPath(base)
--io.write("->"..n.."\n")
if(not(ntop.exists(base))) then ntop.mkdir(base) end
name = fixPath(base .. "/bytes.rrd")
createRRDcounter(name, 300, verbose)
str = "N:".. tolongint(m["bytes.sent"]) .. ":" .. tolongint(m["bytes.rcvd"])
--io.write(name.."="..str.."\n")
ntop.rrd_update(name, str)
if (m["ndpi"]) then -- nDPI data could be disabled
for k in pairs(m["ndpi"]) do
local ndpiname = fixPath(base.."/"..k..".rrd")
createRRDcounter(ndpiname, 300, verbose)
ntop.rrd_update(ndpiname, "N:"..tolongint(m["ndpi"][k]["bytes.sent"])..":"..tolongint(m["ndpi"][k]["bytes.rcvd"]))
end
end
if (m["categories"]) then
if not ntop.exists(fixPath(base.."/categories")) then ntop.mkdir(fixPath(base.."/categories")) end
for cat_name, cat_bytes in pairs(m["categories"]) do
local catrrdname = fixPath(base.."/categories/"..cat_name..".rrd")
createSingleRRDcounter(catrrdname, 300, verbose)
ntop.rrd_update(catrrdname, "N:"..tolongint(cat_bytes))
end
end
end -- for
-- Create RRDs for flow and sFlow devices
if(tostring(flow_devices_rrd_creation) == "1" and ntop.isEnterprise()) then
local flowdevs = interface.getSFlowDevices()
for flow_device_ip,_ in pairs(flowdevs) do
local ports = interface.getSFlowDeviceInfo(flow_device_ip)
if(verbose) then
print ("["..__FILE__()..":"..__LINE__().."] Processing sFlow device "..flow_device_ip.."\n")
end
for port_idx,port_value in pairs(ports) do
local base = dirs.workingdir .. "/" .. ifstats.id .. "/rrd/sflow_devices/".. flow_device_ip
base = fixPath(base)
if(not(ntop.exists(base))) then ntop.mkdir(base) end
name = fixPath(base .. "/"..port_idx..".rrd")
createRRDcounter(name, 300, verbose)
str = "N:".. tolongint(port_value.ifOutOctets) .. ":" .. tolongint(port_value.ifInOctets)
ntop.rrd_update(name, str)
if(verbose) then
print ("["..__FILE__()..":"..__LINE__().."] Processing flow device "..flow_device_ip.." / port "..port_idx.." ["..name.."]\n")
end
end
end
local flowdevs = interface.getFlowDevices() -- Flow, not sFlow here
for flow_device_ip,_ in pairs(flowdevs) do
local ports = interface.getFlowDeviceInfo(flow_device_ip)
if(verbose) then
print ("["..__FILE__()..":"..__LINE__().."] Processing flow device "..flow_device_ip.."\n")
end
for port_idx,port_value in pairs(ports) do
local base = getRRDName(ifstats.id, "flow_device:"..flow_device_ip, port_idx)
if(not(ntop.exists(base))) then ntop.mkdir(base) end
local name = getRRDName(ifstats.id, "flow_device:"..flow_device_ip, port_idx.."/bytes.rrd")
createRRDcounter(name, 300, verbose)
str = "N:".. tolongint(port_value["bytes.out_bytes"]) .. ":" .. tolongint(port_value["bytes.in_bytes"])
ntop.rrd_update(name, str)
if(verbose) then
print ("["..__FILE__()..":"..__LINE__().."] Processing flow device "..flow_device_ip.." / port "..port_idx.." ["..name.."]\n")
end
end
end
end
-- Save host activity stats only if flow activities are actually enabled
-- TODO: it is pointless to call foreachHost one more time. This is too expensive
-- and determines an attitional call to getHostInfo for every host
if ((prefs.is_flow_activity_enabled == true) and (ntop.getCache("ntopng.prefs.host_activity_rrd_creation") == true)) then
local in_time = callback_utils.foreachHost(_ifname, verbose, callback_utils.saveLocalHostsActivity, time_threshold)
if not in_time then
callback_utils.print(__FILE__(), __LINE__(), "ERROR: Cannot complete local hosts RRD activity dump in 5 minutes. Please check your RRD configuration.")
return false
end
end
end -- if rrd
-- Save Host Pools stats every 5 minutes
if((ntop.isPro()) and (tostring(host_pools_rrd_creation) == "1") and (not ifstats.isView)) then
host_pools_utils.updateRRDs(ifstats.id, true --[[ also dump nDPI data ]], verbose)
end
end)
-- ########################################################
-- This must be placed at the end of the script
if(tostring(snmp_devices_rrd_creation) == "1") then
snmp_update_rrds(time_threshold, verbose)
end