Merge pull request #5128 from champtar/prometheus
prometheus-node-exporter-lua: make it modular and faster
This commit is contained in:
champtar
GitHub
commit
367a1c7b89
|
|
@ -4,7 +4,7 @@
|
|||
include $(TOPDIR)/rules.mk
|
||||
|
||||
PKG_NAME:=prometheus-node-exporter-lua
|
||||
PKG_VERSION:=2017.05.07
|
||||
PKG_VERSION:=2017.12.08
|
||||
PKG_RELEASE:=1
|
||||
|
||||
PKG_MAINTAINER:=Christian Simon <simon@swine.de>
|
||||
|
|
@ -12,15 +12,18 @@ PKG_LICENSE:=Apache-2.0
|
|||
|
||||
include $(INCLUDE_DIR)/package.mk
|
||||
|
||||
define Package/prometheus-node-exporter-lua
|
||||
define Package/prometheus-node-exporter-lua/Default
|
||||
SECTION:=utils
|
||||
CATEGORY:=Utilities
|
||||
TITLE:=Provides system statistics as Prometheus scraping endpoint
|
||||
DEPENDS:=+luasocket
|
||||
URL:=https://github.com/rbo/openwrt_exporter
|
||||
TITLE:=Prometheus node exporter
|
||||
PKGARCH:=all
|
||||
endef
|
||||
|
||||
define Package/prometheus-node-exporter-lua
|
||||
$(call Package/prometheus-node-exporter-lua/Default)
|
||||
DEPENDS:=+luasocket +lua
|
||||
endef
|
||||
|
||||
define Package/prometheus-node-exporter-lua/conffiles
|
||||
/etc/config/prometheus-node-exporter-lua
|
||||
endef
|
||||
|
|
@ -31,6 +34,30 @@ define Package/prometheus-node-exporter-lua/description
|
|||
This service is a lightweight rewrite in LUA of the offical Prometheus node_exporter.
|
||||
endef
|
||||
|
||||
define Package/prometheus-node-exporter-lua-nat_traffic
|
||||
$(call Package/prometheus-node-exporter-lua/Default)
|
||||
TITLE+= (nat_traffic collector)
|
||||
DEPENDS:=prometheus-node-exporter-lua
|
||||
endef
|
||||
|
||||
define Package/prometheus-node-exporter-lua-netstat
|
||||
$(call Package/prometheus-node-exporter-lua/Default)
|
||||
TITLE+= (netstat collector)
|
||||
DEPENDS:=prometheus-node-exporter-lua
|
||||
endef
|
||||
|
||||
define Package/prometheus-node-exporter-lua-wifi
|
||||
$(call Package/prometheus-node-exporter-lua/Default)
|
||||
TITLE+= (wifi collector)
|
||||
DEPENDS:=prometheus-node-exporter-lua +libiwinfo-lua +libubus-lua
|
||||
endef
|
||||
|
||||
define Package/prometheus-node-exporter-lua-wifi_stations
|
||||
$(call Package/prometheus-node-exporter-lua/Default)
|
||||
TITLE+= (wifi_stations collector)
|
||||
DEPENDS:=prometheus-node-exporter-lua +libiwinfo-lua +libubus-lua
|
||||
endef
|
||||
|
||||
Build/Compile=
|
||||
|
||||
define Package/prometheus-node-exporter-lua/install
|
||||
|
|
@ -40,6 +67,38 @@ define Package/prometheus-node-exporter-lua/install
|
|||
$(INSTALL_BIN) ./files/etc/init.d/prometheus-node-exporter-lua $(1)/etc/init.d/prometheus-node-exporter-lua
|
||||
$(INSTALL_DIR) $(1)/usr/bin
|
||||
$(INSTALL_BIN) ./files/usr/bin/prometheus-node-exporter-lua $(1)/usr/bin/prometheus-node-exporter-lua
|
||||
$(INSTALL_DIR) $(1)/usr/lib/lua/prometheus-collectors
|
||||
$(INSTALL_BIN) ./files/usr/lib/lua/prometheus-collectors/cpu.lua $(1)/usr/lib/lua/prometheus-collectors/
|
||||
$(INSTALL_BIN) ./files/usr/lib/lua/prometheus-collectors/filefd.lua $(1)/usr/lib/lua/prometheus-collectors/
|
||||
$(INSTALL_BIN) ./files/usr/lib/lua/prometheus-collectors/loadavg.lua $(1)/usr/lib/lua/prometheus-collectors/
|
||||
$(INSTALL_BIN) ./files/usr/lib/lua/prometheus-collectors/meminfo.lua $(1)/usr/lib/lua/prometheus-collectors/
|
||||
$(INSTALL_BIN) ./files/usr/lib/lua/prometheus-collectors/netdev.lua $(1)/usr/lib/lua/prometheus-collectors/
|
||||
$(INSTALL_BIN) ./files/usr/lib/lua/prometheus-collectors/time.lua $(1)/usr/lib/lua/prometheus-collectors/
|
||||
$(INSTALL_BIN) ./files/usr/lib/lua/prometheus-collectors/uname.lua $(1)/usr/lib/lua/prometheus-collectors/
|
||||
endef
|
||||
|
||||
define Package/prometheus-node-exporter-lua-nat_traffic/install
|
||||
$(INSTALL_DIR) $(1)/usr/lib/lua/prometheus-collectors
|
||||
$(INSTALL_BIN) ./files/usr/lib/lua/prometheus-collectors/nat_traffic.lua $(1)/usr/lib/lua/prometheus-collectors/
|
||||
endef
|
||||
|
||||
define Package/prometheus-node-exporter-lua-netstat/install
|
||||
$(INSTALL_DIR) $(1)/usr/lib/lua/prometheus-collectors
|
||||
$(INSTALL_BIN) ./files/usr/lib/lua/prometheus-collectors/netstat.lua $(1)/usr/lib/lua/prometheus-collectors/
|
||||
endef
|
||||
|
||||
define Package/prometheus-node-exporter-lua-wifi/install
|
||||
$(INSTALL_DIR) $(1)/usr/lib/lua/prometheus-collectors
|
||||
$(INSTALL_BIN) ./files/usr/lib/lua/prometheus-collectors/wifi.lua $(1)/usr/lib/lua/prometheus-collectors/
|
||||
endef
|
||||
|
||||
define Package/prometheus-node-exporter-lua-wifi_stations/install
|
||||
$(INSTALL_DIR) $(1)/usr/lib/lua/prometheus-collectors
|
||||
$(INSTALL_BIN) ./files/usr/lib/lua/prometheus-collectors/wifi_stations.lua $(1)/usr/lib/lua/prometheus-collectors/
|
||||
endef
|
||||
|
||||
$(eval $(call BuildPackage,prometheus-node-exporter-lua))
|
||||
$(eval $(call BuildPackage,prometheus-node-exporter-lua-nat_traffic))
|
||||
$(eval $(call BuildPackage,prometheus-node-exporter-lua-netstat))
|
||||
$(eval $(call BuildPackage,prometheus-node-exporter-lua-wifi))
|
||||
$(eval $(call BuildPackage,prometheus-node-exporter-lua-wifi_stations))
|
||||
|
|
|
|||
|
|
@ -15,5 +15,8 @@ start_service() {
|
|||
procd_append_param command --port ${port}
|
||||
procd_append_param command --bind ${bind}
|
||||
|
||||
procd_set_param stdout 1
|
||||
procd_set_param stderr 1
|
||||
|
||||
procd_close_instance
|
||||
}
|
||||
|
|
|
|||
|
|
@ -8,32 +8,16 @@
|
|||
|
||||
socket = require("socket")
|
||||
|
||||
-- Allow us to call unpack under both lua5.1 and lua5.2+
|
||||
local unpack = unpack or table.unpack
|
||||
|
||||
-- This table defines the scrapers to run.
|
||||
-- Each corresponds directly to a scraper_<name> function.
|
||||
scrapers = { "cpu", "load_averages", "memory", "file_handles", "network",
|
||||
"network_devices", "time", "uname", "nat", "wifi"}
|
||||
|
||||
-- Parsing
|
||||
|
||||
function space_split(s)
|
||||
elements = {}
|
||||
local elements = {}
|
||||
for element in s:gmatch("%S+") do
|
||||
table.insert(elements, element)
|
||||
end
|
||||
return elements
|
||||
end
|
||||
|
||||
function line_split(s)
|
||||
elements = {}
|
||||
for element in s:gmatch("[^\n]+") do
|
||||
table.insert(elements, element)
|
||||
end
|
||||
return elements
|
||||
end
|
||||
|
||||
function get_contents(filename)
|
||||
local f = io.open(filename, "rb")
|
||||
local contents = ""
|
||||
|
|
@ -69,284 +53,54 @@ function metric(name, mtype, labels, value)
|
|||
return outputter
|
||||
end
|
||||
|
||||
function scraper_wifi()
|
||||
local rv = { }
|
||||
local ntm = require "luci.model.network".init()
|
||||
|
||||
local metric_wifi_network_up = metric("wifi_network_up","gauge")
|
||||
local metric_wifi_network_quality = metric("wifi_network_quality","gauge")
|
||||
local metric_wifi_network_bitrate = metric("wifi_network_bitrate","gauge")
|
||||
local metric_wifi_network_noise = metric("wifi_network_noise","gauge")
|
||||
local metric_wifi_network_signal = metric("wifi_network_signal","gauge")
|
||||
|
||||
local metric_wifi_station_signal = metric("wifi_station_signal","gauge")
|
||||
local metric_wifi_station_tx_packets = metric("wifi_station_tx_packets","gauge")
|
||||
local metric_wifi_station_rx_packets = metric("wifi_station_rx_packets","gauge")
|
||||
|
||||
local dev
|
||||
for _, dev in ipairs(ntm:get_wifidevs()) do
|
||||
local rd = {
|
||||
up = dev:is_up(),
|
||||
device = dev:name(),
|
||||
name = dev:get_i18n(),
|
||||
networks = { }
|
||||
}
|
||||
|
||||
local net
|
||||
for _, net in ipairs(dev:get_wifinets()) do
|
||||
local labels = {
|
||||
channel = net:channel(),
|
||||
ssid = net:active_ssid(),
|
||||
bssid = net:active_bssid(),
|
||||
mode = net:active_mode(),
|
||||
ifname = net:ifname(),
|
||||
country = net:country(),
|
||||
frequency = net:frequency(),
|
||||
}
|
||||
if net:is_up() then
|
||||
metric_wifi_network_up(labels, 1)
|
||||
local signal = net:signal_percent()
|
||||
if signal ~= 0 then
|
||||
metric_wifi_network_quality(labels, net:signal_percent())
|
||||
end
|
||||
metric_wifi_network_noise(labels, net:noise())
|
||||
local bitrate = net:bitrate()
|
||||
if bitrate then
|
||||
metric_wifi_network_bitrate(labels, bitrate)
|
||||
end
|
||||
|
||||
local assoclist = net:assoclist()
|
||||
for mac, station in pairs(assoclist) do
|
||||
local labels = {
|
||||
ifname = net:ifname(),
|
||||
mac = mac,
|
||||
}
|
||||
metric_wifi_station_signal(labels, station.signal)
|
||||
metric_wifi_station_tx_packets(labels, station.tx_packets)
|
||||
metric_wifi_station_rx_packets(labels, station.rx_packets)
|
||||
end
|
||||
else
|
||||
metric_wifi_network_up(labels, 0)
|
||||
end
|
||||
end
|
||||
rv[#rv+1] = rd
|
||||
end
|
||||
end
|
||||
|
||||
function scraper_cpu()
|
||||
local stat = get_contents("/proc/stat")
|
||||
|
||||
-- system boot time, seconds since epoch
|
||||
metric("node_boot_time", "gauge", nil, string.match(stat, "btime ([0-9]+)"))
|
||||
|
||||
-- context switches since boot (all CPUs)
|
||||
metric("node_context_switches", "counter", nil, string.match(stat, "ctxt ([0-9]+)"))
|
||||
|
||||
-- cpu times, per CPU, per mode
|
||||
local cpu_mode = {"user", "nice", "system", "idle", "iowait", "irq",
|
||||
"softirq", "steal", "guest", "guest_nice"}
|
||||
local i = 0
|
||||
local cpu_metric = metric("node_cpu", "counter")
|
||||
while string.match(stat, string.format("cpu%d ", i)) do
|
||||
local cpu = space_split(string.match(stat, string.format("cpu%d ([0-9 ]+)", i)))
|
||||
local labels = {cpu = "cpu" .. i}
|
||||
for ii, mode in ipairs(cpu_mode) do
|
||||
labels['mode'] = mode
|
||||
cpu_metric(labels, cpu[ii] / 100)
|
||||
end
|
||||
i = i + 1
|
||||
end
|
||||
|
||||
-- interrupts served
|
||||
metric("node_intr", "counter", nil, string.match(stat, "intr ([0-9]+)"))
|
||||
|
||||
-- processes forked
|
||||
metric("node_forks", "counter", nil, string.match(stat, "processes ([0-9]+)"))
|
||||
|
||||
-- processes running
|
||||
metric("node_procs_running", "gauge", nil, string.match(stat, "procs_running ([0-9]+)"))
|
||||
|
||||
-- processes blocked for I/O
|
||||
metric("node_procs_blocked", "gauge", nil, string.match(stat, "procs_blocked ([0-9]+)"))
|
||||
end
|
||||
|
||||
function scraper_load_averages()
|
||||
local loadavg = space_split(get_contents("/proc/loadavg"))
|
||||
|
||||
metric("node_load1", "gauge", nil, loadavg[1])
|
||||
metric("node_load5", "gauge", nil, loadavg[2])
|
||||
metric("node_load15", "gauge", nil, loadavg[3])
|
||||
end
|
||||
|
||||
function scraper_memory()
|
||||
local meminfo = line_split(get_contents("/proc/meminfo"):gsub("[):]", ""):gsub("[(]", "_"))
|
||||
|
||||
for i, mi in ipairs(meminfo) do
|
||||
local name, size, unit = unpack(space_split(mi))
|
||||
if unit == 'kB' then
|
||||
size = size * 1024
|
||||
end
|
||||
metric("node_memory_" .. name, "gauge", nil, size)
|
||||
end
|
||||
end
|
||||
|
||||
function scraper_file_handles()
|
||||
local file_nr = space_split(get_contents("/proc/sys/fs/file-nr"))
|
||||
|
||||
metric("node_filefd_allocated", "gauge", nil, file_nr[1])
|
||||
metric("node_filefd_maximum", "gauge", nil, file_nr[3])
|
||||
end
|
||||
|
||||
function scraper_network()
|
||||
-- NOTE: Both of these are missing in OpenWRT kernels.
|
||||
-- See: https://dev.openwrt.org/ticket/15781
|
||||
local netstat = get_contents("/proc/net/netstat") .. get_contents("/proc/net/snmp")
|
||||
|
||||
-- all devices
|
||||
local netsubstat = {"IcmpMsg", "Icmp", "IpExt", "Ip", "TcpExt", "Tcp", "UdpLite", "Udp"}
|
||||
for i, nss in ipairs(netsubstat) do
|
||||
local substat_s = string.match(netstat, nss .. ": ([A-Z][A-Za-z0-9 ]+)")
|
||||
if substat_s then
|
||||
local substat = space_split(substat_s)
|
||||
local substatv = space_split(string.match(netstat, nss .. ": ([0-9 -]+)"))
|
||||
for ii, ss in ipairs(substat) do
|
||||
metric("node_netstat_" .. nss .. "_" .. ss, "gauge", nil, substatv[ii])
|
||||
end
|
||||
end
|
||||
end
|
||||
end
|
||||
|
||||
function scraper_network_devices()
|
||||
local netdevstat = line_split(get_contents("/proc/net/dev"))
|
||||
local netdevsubstat = {"receive_bytes", "receive_packets", "receive_errs",
|
||||
"receive_drop", "receive_fifo", "receive_frame", "receive_compressed",
|
||||
"receive_multicast", "transmit_bytes", "transmit_packets",
|
||||
"transmit_errs", "transmit_drop", "transmit_fifo", "transmit_colls",
|
||||
"transmit_carrier", "transmit_compressed"}
|
||||
for i, line in ipairs(netdevstat) do
|
||||
netdevstat[i] = string.match(netdevstat[i], "%S.*")
|
||||
end
|
||||
local nds_table = {}
|
||||
local devs = {}
|
||||
for i, nds in ipairs(netdevstat) do
|
||||
local dev, stat_s = string.match(netdevstat[i], "([^:]+): (.*)")
|
||||
if dev then
|
||||
nds_table[dev] = space_split(stat_s)
|
||||
table.insert(devs, dev)
|
||||
end
|
||||
end
|
||||
for i, ndss in ipairs(netdevsubstat) do
|
||||
netdev_metric = metric("node_network_" .. ndss, "gauge")
|
||||
for ii, d in ipairs(devs) do
|
||||
netdev_metric({device=d}, nds_table[d][i])
|
||||
end
|
||||
end
|
||||
end
|
||||
|
||||
function scraper_time()
|
||||
-- current time
|
||||
metric("node_time", "counter", nil, os.time())
|
||||
end
|
||||
|
||||
function scraper_uname()
|
||||
-- version can have spaces, so grab it directly
|
||||
local version = string.sub(io.popen("uname -v"):read("*a"), 1, -2)
|
||||
-- avoid individual popen calls for the rest of the values
|
||||
local uname_string = io.popen("uname -a"):read("*a")
|
||||
local sysname, nodename, release = unpack(space_split(uname_string))
|
||||
local labels = {domainname = "(none)", nodename = nodename, release = release,
|
||||
sysname = sysname, version = version}
|
||||
|
||||
-- The machine hardware name is immediately after the version string, so add
|
||||
-- up the values we know and add in the 4 spaces to find the offset...
|
||||
machine_offset = string.len(sysname .. nodename .. release .. version) + 4
|
||||
labels['machine'] = string.match(string.sub(uname_string, machine_offset), "(%S+)" )
|
||||
metric("node_uname_info", "gauge", labels, 1)
|
||||
end
|
||||
|
||||
function scraper_nat()
|
||||
-- documetation about nf_conntrack:
|
||||
-- https://www.frozentux.net/iptables-tutorial/chunkyhtml/x1309.html
|
||||
-- local natstat = line_split(get_contents("/proc/net/nf_conntrack"))
|
||||
local natstat = line_split(get_contents("nf_conntrack"))
|
||||
|
||||
nat_metric = metric("node_nat_traffic", "gauge" )
|
||||
for i, e in ipairs(natstat) do
|
||||
-- output(string.format("%s\n",e ))
|
||||
local fields = space_split(e)
|
||||
local src, dest, bytes;
|
||||
bytes = 0;
|
||||
for ii, field in ipairs(fields) do
|
||||
if src == nil and string.match(field, '^src') then
|
||||
src = string.match(field,"src=([^ ]+)");
|
||||
elseif dest == nil and string.match(field, '^dst') then
|
||||
dest = string.match(field,"dst=([^ ]+)");
|
||||
elseif string.match(field, '^bytes') then
|
||||
local b = string.match(field, "bytes=([^ ]+)");
|
||||
bytes = bytes + b;
|
||||
-- output(string.format("\t%d %s",ii,field ));
|
||||
end
|
||||
|
||||
end
|
||||
-- local src, dest, bytes = string.match(natstat[i], "src=([^ ]+) dst=([^ ]+) .- bytes=([^ ]+)");
|
||||
-- local src, dest, bytes = string.match(natstat[i], "src=([^ ]+) dst=([^ ]+) sport=[^ ]+ dport=[^ ]+ packets=[^ ]+ bytes=([^ ]+)")
|
||||
|
||||
local labels = { src = src, dest = dest }
|
||||
-- output(string.format("src=|%s| dest=|%s| bytes=|%s|", src, dest, bytes ))
|
||||
nat_metric(labels, bytes )
|
||||
end
|
||||
end
|
||||
|
||||
function timed_scrape(scraper)
|
||||
function timed_scrape(collector)
|
||||
local start_time = socket.gettime()
|
||||
-- build the function name and call it from global variable table
|
||||
_G["scraper_"..scraper]()
|
||||
local duration = socket.gettime() - start_time
|
||||
return duration
|
||||
local success = 1
|
||||
local status, err = pcall(collector.scrape)
|
||||
if not status then
|
||||
success = 0
|
||||
print(err)
|
||||
end
|
||||
return (socket.gettime() - start_time), success
|
||||
end
|
||||
|
||||
function run_all_scrapers()
|
||||
times = {}
|
||||
for i,scraper in ipairs(scrapers) do
|
||||
runtime = timed_scrape(scraper)
|
||||
times[scraper] = runtime
|
||||
scrape_time_sums[scraper] = scrape_time_sums[scraper] + runtime
|
||||
scrape_counts[scraper] = scrape_counts[scraper] + 1
|
||||
end
|
||||
|
||||
local name = "node_exporter_scrape_duration_seconds"
|
||||
local duration_metric = metric(name, "summary")
|
||||
for i,scraper in ipairs(scrapers) do
|
||||
local labels = {collector=scraper, result="success"}
|
||||
duration_metric(labels, times[scraper])
|
||||
print_metric(name.."_sum", labels, scrape_time_sums[scraper])
|
||||
print_metric(name.."_count", labels, scrape_counts[scraper])
|
||||
function run_all_collectors(collectors)
|
||||
local metric_duration = metric("node_scrape_collector_duration_seconds", "gauge")
|
||||
local metric_success = metric("node_scrape_collector_success", "gauge")
|
||||
for _,cname in pairs(collectors) do
|
||||
if col_mods[cname] ~= nil then
|
||||
local duration, success = timed_scrape(col_mods[cname])
|
||||
local labels = {collector=cname}
|
||||
metric_duration(labels, duration)
|
||||
metric_success(labels, success)
|
||||
end
|
||||
end
|
||||
end
|
||||
|
||||
-- Web server-specific functions
|
||||
|
||||
function http_ok_header()
|
||||
output("HTTP/1.1 200 OK\r")
|
||||
output("Server: lua-metrics\r")
|
||||
output("Content-Type: text/plain; version=0.0.4\r")
|
||||
output("\r")
|
||||
output("HTTP/1.0 200 OK\r\nServer: lua-metrics\r\nContent-Type: text/plain; version=0.0.4\r\n\r")
|
||||
end
|
||||
|
||||
function http_not_found()
|
||||
output("HTTP/1.1 404 Not Found\r")
|
||||
output("Server: lua-metrics\r")
|
||||
output("Content-Type: text/plain\r")
|
||||
output("\r")
|
||||
output("ERROR: File Not Found.")
|
||||
output("HTTP/1.0 404 Not Found\r\nServer: lua-metrics\r\nContent-Type: text/plain\r\n\r\nERROR: File Not Found.")
|
||||
end
|
||||
|
||||
function serve(request)
|
||||
if not string.match(request, "GET /metrics.*") then
|
||||
local q = request:match("^GET /metrics%??([^ ]*) HTTP/1%.[01]$")
|
||||
if q == nil then
|
||||
http_not_found()
|
||||
else
|
||||
http_ok_header()
|
||||
run_all_scrapers()
|
||||
local cols = {}
|
||||
for c in q:gmatch("collect[^=]*=([^&]+)") do
|
||||
cols[#cols+1] = c
|
||||
end
|
||||
if #cols == 0 then
|
||||
cols = col_names
|
||||
end
|
||||
run_all_collectors(cols)
|
||||
end
|
||||
client:close()
|
||||
return true
|
||||
|
|
@ -363,11 +117,12 @@ for k,v in ipairs(arg) do
|
|||
end
|
||||
end
|
||||
|
||||
scrape_counts = {}
|
||||
scrape_time_sums = {}
|
||||
for i,scraper in ipairs(scrapers) do
|
||||
scrape_counts[scraper] = 0
|
||||
scrape_time_sums[scraper] = 0
|
||||
col_mods = {}
|
||||
col_names = {}
|
||||
for c in io.popen("ls -1 /usr/lib/lua/prometheus-collectors/*.lua"):lines() do
|
||||
c = c:match("([^/]+)%.lua$")
|
||||
col_mods[c] = require('prometheus-collectors.'..c)
|
||||
col_names[#col_names+1] = c
|
||||
end
|
||||
|
||||
if port then
|
||||
|
|
@ -387,5 +142,5 @@ if port then
|
|||
end
|
||||
else
|
||||
output = print
|
||||
run_all_scrapers()
|
||||
run_all_collectors(col_names)
|
||||
end
|
||||
|
|
|
|||
|
|
@ -0,0 +1,40 @@
|
|||
-- stat/cpu collector
|
||||
local function scrape()
|
||||
local stat = get_contents("/proc/stat")
|
||||
|
||||
-- system boot time, seconds since epoch
|
||||
metric("node_boot_time", "gauge", nil, string.match(stat, "btime ([0-9]+)"))
|
||||
|
||||
-- context switches since boot (all CPUs)
|
||||
metric("node_context_switches", "counter", nil, string.match(stat, "ctxt ([0-9]+)"))
|
||||
|
||||
-- cpu times, per CPU, per mode
|
||||
local cpu_mode = {"user", "nice", "system", "idle", "iowait", "irq",
|
||||
"softirq", "steal", "guest", "guest_nice"}
|
||||
local i = 0
|
||||
local cpu_metric = metric("node_cpu", "counter")
|
||||
while true do
|
||||
local cpu = {string.match(stat, "cpu"..i.." (%d+) (%d+) (%d+) (%d+) (%d+) (%d+) (%d+) (%d+) (%d+) (%d+)")}
|
||||
if #cpu ~= 10 then
|
||||
break
|
||||
end
|
||||
for ii, mode in ipairs(cpu_mode) do
|
||||
cpu_metric({cpu="cpu"..i, mode=mode}, cpu[ii] / 100)
|
||||
end
|
||||
i = i + 1
|
||||
end
|
||||
|
||||
-- interrupts served
|
||||
metric("node_intr", "counter", nil, string.match(stat, "intr ([0-9]+)"))
|
||||
|
||||
-- processes forked
|
||||
metric("node_forks", "counter", nil, string.match(stat, "processes ([0-9]+)"))
|
||||
|
||||
-- processes running
|
||||
metric("node_procs_running", "gauge", nil, string.match(stat, "procs_running ([0-9]+)"))
|
||||
|
||||
-- processes blocked for I/O
|
||||
metric("node_procs_blocked", "gauge", nil, string.match(stat, "procs_blocked ([0-9]+)"))
|
||||
end
|
||||
|
||||
return { scrape = scrape }
|
||||
|
|
@ -0,0 +1,8 @@
|
|||
local function scrape()
|
||||
local file_nr = space_split(get_contents("/proc/sys/fs/file-nr"))
|
||||
|
||||
metric("node_filefd_allocated", "gauge", nil, file_nr[1])
|
||||
metric("node_filefd_maximum", "gauge", nil, file_nr[3])
|
||||
end
|
||||
|
||||
return { scrape = scrape }
|
||||
|
|
@ -0,0 +1,9 @@
|
|||
local function scrape()
|
||||
local loadavg = space_split(get_contents("/proc/loadavg"))
|
||||
|
||||
metric("node_load1", "gauge", nil, loadavg[1])
|
||||
metric("node_load5", "gauge", nil, loadavg[2])
|
||||
metric("node_load15", "gauge", nil, loadavg[3])
|
||||
end
|
||||
|
||||
return { scrape = scrape }
|
||||
|
|
@ -0,0 +1,11 @@
|
|||
local function scrape()
|
||||
for line in io.lines("/proc/meminfo") do
|
||||
local name, size, unit = string.match(line, "([^:]+):%s+(%d+)%s?(k?B?)")
|
||||
if unit == 'kB' then
|
||||
size = size * 1024
|
||||
end
|
||||
metric("node_memory_" .. name:gsub("[):]", ""):gsub("[(]", "_"), "gauge", nil, size)
|
||||
end
|
||||
end
|
||||
|
||||
return { scrape = scrape }
|
||||
|
|
@ -0,0 +1,31 @@
|
|||
local function scrape()
|
||||
-- documetation about nf_conntrack:
|
||||
-- https://www.frozentux.net/iptables-tutorial/chunkyhtml/x1309.html
|
||||
nat_metric = metric("node_nat_traffic", "gauge" )
|
||||
for e in io.lines("/proc/net/nf_conntrack") do
|
||||
-- output(string.format("%s\n",e ))
|
||||
local fields = space_split(e)
|
||||
local src, dest, bytes;
|
||||
bytes = 0;
|
||||
for _, field in ipairs(fields) do
|
||||
if src == nil and string.match(field, '^src') then
|
||||
src = string.match(field,"src=([^ ]+)");
|
||||
elseif dest == nil and string.match(field, '^dst') then
|
||||
dest = string.match(field,"dst=([^ ]+)");
|
||||
elseif string.match(field, '^bytes') then
|
||||
local b = string.match(field, "bytes=([^ ]+)");
|
||||
bytes = bytes + b;
|
||||
-- output(string.format("\t%d %s",ii,field ));
|
||||
end
|
||||
|
||||
end
|
||||
-- local src, dest, bytes = string.match(natstat[i], "src=([^ ]+) dst=([^ ]+) .- bytes=([^ ]+)");
|
||||
-- local src, dest, bytes = string.match(natstat[i], "src=([^ ]+) dst=([^ ]+) sport=[^ ]+ dport=[^ ]+ packets=[^ ]+ bytes=([^ ]+)")
|
||||
|
||||
local labels = { src = src, dest = dest }
|
||||
-- output(string.format("src=|%s| dest=|%s| bytes=|%s|", src, dest, bytes ))
|
||||
nat_metric(labels, bytes )
|
||||
end
|
||||
end
|
||||
|
||||
return { scrape = scrape }
|
||||
|
|
@ -0,0 +1,25 @@
|
|||
|
||||
local netdevsubstat = {"receive_bytes", "receive_packets", "receive_errs",
|
||||
"receive_drop", "receive_fifo", "receive_frame", "receive_compressed",
|
||||
"receive_multicast", "transmit_bytes", "transmit_packets",
|
||||
"transmit_errs", "transmit_drop", "transmit_fifo", "transmit_colls",
|
||||
"transmit_carrier", "transmit_compressed"}
|
||||
local pattern = "([^%s:]+):%s+(%d+)%s+(%d+)%s+(%d+)%s+(%d+)%s+(%d+)%s+(%d+)%s+(%d+)%s+(%d+)%s+(%d+)%s+(%d+)%s+(%d+)%s+(%d+)%s+(%d+)%s+(%d+)%s+(%d+)%s+(%d+)"
|
||||
|
||||
local function scrape()
|
||||
local nds_table = {}
|
||||
for line in io.lines("/proc/net/dev") do
|
||||
local t = {string.match(line, pattern)}
|
||||
if #t == 17 then
|
||||
nds_table[t[1]] = t
|
||||
end
|
||||
end
|
||||
for i, ndss in ipairs(netdevsubstat) do
|
||||
netdev_metric = metric("node_network_" .. ndss, "gauge")
|
||||
for dev, nds_dev in pairs(nds_table) do
|
||||
netdev_metric({device=dev}, nds_dev[i+1])
|
||||
end
|
||||
end
|
||||
end
|
||||
|
||||
return { scrape = scrape }
|
||||
|
|
@ -0,0 +1,20 @@
|
|||
local function scrape()
|
||||
-- NOTE: Both of these are missing in OpenWRT kernels.
|
||||
-- See: https://dev.openwrt.org/ticket/15781
|
||||
local netstat = get_contents("/proc/net/netstat") .. get_contents("/proc/net/snmp")
|
||||
|
||||
-- all devices
|
||||
local netsubstat = {"IcmpMsg", "Icmp", "IpExt", "Ip", "TcpExt", "Tcp", "UdpLite", "Udp"}
|
||||
for i, nss in ipairs(netsubstat) do
|
||||
local substat_s = string.match(netstat, nss .. ": ([A-Z][A-Za-z0-9 ]+)")
|
||||
if substat_s then
|
||||
local substat = space_split(substat_s)
|
||||
local substatv = space_split(string.match(netstat, nss .. ": ([0-9 -]+)"))
|
||||
for ii, ss in ipairs(substat) do
|
||||
metric("node_netstat_" .. nss .. "_" .. ss, "gauge", nil, substatv[ii])
|
||||
end
|
||||
end
|
||||
end
|
||||
end
|
||||
|
||||
return { scrape = scrape }
|
||||
|
|
@ -0,0 +1,6 @@
|
|||
local function scrape()
|
||||
-- current time
|
||||
metric("node_time", "counter", nil, os.time())
|
||||
end
|
||||
|
||||
return { scrape = scrape }
|
||||
|
|
@ -0,0 +1,16 @@
|
|||
local labels = {
|
||||
domainname = "",
|
||||
nodename = "",
|
||||
release = string.sub(get_contents("/proc/sys/kernel/osrelease"), 1, -2),
|
||||
sysname = string.sub(get_contents("/proc/sys/kernel/ostype"), 1, -2),
|
||||
version = string.sub(get_contents("/proc/sys/kernel/version"), 1, -2),
|
||||
machine = string.sub(io.popen("uname -m"):read("*a"), 1, -2)
|
||||
}
|
||||
|
||||
local function scrape()
|
||||
labels["domainname"] = string.sub(get_contents("/proc/sys/kernel/domainname"), 1, -2)
|
||||
labels["nodename"] = string.sub(get_contents("/proc/sys/kernel/hostname"), 1, -2)
|
||||
metric("node_uname_info", "gauge", labels, 1)
|
||||
end
|
||||
|
||||
return { scrape = scrape }
|
||||
|
|
@ -0,0 +1,43 @@
|
|||
local ubus = require "ubus"
|
||||
local iwinfo = require "iwinfo"
|
||||
|
||||
local function scrape()
|
||||
local metric_wifi_network_quality = metric("wifi_network_quality","gauge")
|
||||
local metric_wifi_network_bitrate = metric("wifi_network_bitrate","gauge")
|
||||
local metric_wifi_network_noise = metric("wifi_network_noise","gauge")
|
||||
local metric_wifi_network_signal = metric("wifi_network_signal","gauge")
|
||||
|
||||
local u = ubus.connect()
|
||||
local status = u:call("network.wireless", "status", {})
|
||||
|
||||
for dev, dev_table in pairs(status) do
|
||||
for _, intf in ipairs(dev_table['interfaces']) do
|
||||
local ifname = intf['ifname']
|
||||
local iw = iwinfo[iwinfo.type(ifname)]
|
||||
local labels = {
|
||||
channel = iw.channel(ifname),
|
||||
ssid = iw.ssid(ifname),
|
||||
bssid = iw.bssid(ifname),
|
||||
mode = iw.mode(ifname),
|
||||
ifname = ifname,
|
||||
country = iw.country(ifname),
|
||||
frequency = iw.frequency(ifname),
|
||||
device = dev,
|
||||
}
|
||||
|
||||
local qc = iw.quality(ifname) or 0
|
||||
local qm = iw.quality_max(ifname) or 0
|
||||
local quality = 0
|
||||
if qc > 0 and qm > 0 then
|
||||
quality = math.floor((100 / qm) * qc)
|
||||
end
|
||||
|
||||
metric_wifi_network_quality(labels, quality)
|
||||
metric_wifi_network_noise(labels, iw.noise(ifname) or 0)
|
||||
metric_wifi_network_bitrate(labels, iw.bitrate(ifname) or 0)
|
||||
metric_wifi_network_signal(labels, iw.signal(ifname) or -255)
|
||||
end
|
||||
end
|
||||
end
|
||||
|
||||
return { scrape = scrape }
|
||||
|
|
@ -0,0 +1,31 @@
|
|||
local ubus = require "ubus"
|
||||
local iwinfo = require "iwinfo"
|
||||
|
||||
local function scrape()
|
||||
local metric_wifi_station_signal = metric("wifi_station_signal","gauge")
|
||||
local metric_wifi_station_tx_packets = metric("wifi_station_tx_packets","gauge")
|
||||
local metric_wifi_station_rx_packets = metric("wifi_station_rx_packets","gauge")
|
||||
|
||||
local u = ubus.connect()
|
||||
local status = u:call("network.wireless", "status", {})
|
||||
|
||||
for dev, dev_table in pairs(status) do
|
||||
for _, intf in ipairs(dev_table['interfaces']) do
|
||||
local ifname = intf['ifname']
|
||||
local iw = iwinfo[iwinfo.type(ifname)]
|
||||
|
||||
local assoclist = iw.assoclist(ifname)
|
||||
for mac, station in pairs(assoclist) do
|
||||
local labels = {
|
||||
ifname = ifname,
|
||||
mac = mac,
|
||||
}
|
||||
metric_wifi_station_signal(labels, station.signal)
|
||||
metric_wifi_station_tx_packets(labels, station.tx_packets)
|
||||
metric_wifi_station_rx_packets(labels, station.rx_packets)
|
||||
end
|
||||
end
|
||||
end
|
||||
end
|
||||
|
||||
return { scrape = scrape }
|
||||
Loading…
Reference in New Issue